503 files changed, 16299 insertions, 4533 deletions
diff --git a/Documentation/cgroups.txt b/Documentation/cgroups.txt
index c298a6690e0d..824fc0274471 100644
--- a/Documentation/cgroups.txt
+++ b/Documentation/cgroups.txt
@@ -310,8 +310,8 @@ and then start a subshell 'sh' in that cgroup:
  cd /dev/cgroup
  mkdir Charlie
  cd Charlie
-  /bin/echo 2-3 > cpus
+  /bin/echo 2-3 > cpuset.cpus
-  /bin/echo 1 > mems
+  /bin/echo 1 > cpuset.mems
  /bin/echo $$ > tasks
  sh
  # The subshell 'sh' is now running in cgroup Charlie
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index 3c35d452b1a9..5b3f31faed56 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -289,6 +289,14 @@ Who:	Glauber Costa <gcosta@redhat.com>
 ---------------------------
+What:   old style serial driver for ColdFire (CONFIG_SERIAL_COLDFIRE)
+When:   2.6.28
+Why:    This driver still uses the old interface and has been replaced
+        by CONFIG_SERIAL_MCF.
+Who:    Sebastian Siewior <sebastian@breakpoint.cc>
+---------------------------
 What:   /sys/o2cb symlink
 When:   January 2010
 Why:    /sys/fs/o2cb is the proper location for this information - /sys/o2cb
diff --git a/Documentation/hwmon/adt7473 b/Documentation/hwmon/adt7473
index 22d8b19046ab..2126de34c711 100644
--- a/Documentation/hwmon/adt7473
+++ b/Documentation/hwmon/adt7473
@@ -69,7 +69,8 @@ point2: Set the pwm speed at a higher temperature bound.
 The ADT7473 will scale the pwm between the lower and higher pwm speed when
 the temperature is between the two temperature boundaries.  PWM values range
-from 0 (off) to 255 (full speed).
+from 0 (off) to 255 (full speed).  Fan speed will be set to maximum when the
+temperature sensor associated with the PWM control exceeds temp#_max.
 Notes
 -----
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index cdd5b934f43e..e07c432c731f 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -398,9 +398,6 @@ and is between 256 and 4096 characters. It is defined in the file
        cio_ignore=     [S390]
                        See Documentation/s390/CommonIO for details.
-        cio_msg=        [S390]
-                        See Documentation/s390/CommonIO for details.
        clock=          [BUGS=X86-32, HW] gettimeofday clocksource override.
                        [Deprecated]
                        Forces specified clocksource (if available) to be used
@@ -689,6 +686,12 @@ and is between 256 and 4096 characters. It is defined in the file
        floppy=         [HW]
                        See Documentation/floppy.txt.
+        force_pal_cache_flush
+                        [IA-64] Avoid check_sal_cache_flush which may hang on
+                        buggy SAL_CACHE_FLUSH implementations. Using this
+                        parameter will force ia64_sal_cache_flush to call
+                        ia64_pal_cache_flush instead of SAL_CACHE_FLUSH.
        gamecon.map[2|3]=
                        [HW,JOY] Multisystem joystick and NES/SNES/PSX pad
                        support via parallel port (up to 5 devices per port)
diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt
index e5a819a4f0c9..f5b7127f54ac 100644
--- a/Documentation/memory-barriers.txt
+++ b/Documentation/memory-barriers.txt
@@ -994,7 +994,17 @@ The Linux kernel has eight basic CPU memory barriers:
        DATA DEPENDENCY read_barrier_depends()  smp_read_barrier_depends()
-All CPU memory barriers unconditionally imply compiler barriers.
+All memory barriers except the data dependency barriers imply a compiler
+barrier. Data dependencies do not impose any additional compiler ordering.
+Aside: In the case of data dependencies, the compiler would be expected to
+issue the loads in the correct order (eg. `a[b]` would have to load the value
+of b before loading a[b]), however there is no guarantee in the C specification
+that the compiler may not speculate the value of b (eg. is equal to 1) and load
+a before b (eg. tmp = a[1]; if (b != 1) tmp = a[b]; ). There is also the
+problem of a compiler reloading b after having loaded a[b], thus having a newer
+copy of b than a[b]. A consensus has not yet been reached about these problems,
+however the ACCESS_ONCE macro is a good place to start looking.
 SMP memory barriers are reduced to compiler barriers on uniprocessor compiled
 systems because it is assumed that a CPU will appear to be self-consistent,
diff --git a/Documentation/video4linux/CARDLIST.cx23885 b/Documentation/video4linux/CARDLIST.cx23885
index 929b90c8387f..191194ea1e25 100644
--- a/Documentation/video4linux/CARDLIST.cx23885
+++ b/Documentation/video4linux/CARDLIST.cx23885
@@ -5,6 +5,6 @@
  4 -> DViCO FusionHDTV5 Express                           [18ac:d500]
  5 -> Hauppauge WinTV-HVR1500Q                            [0070:7790,0070:7797]
  6 -> Hauppauge WinTV-HVR1500                             [0070:7710,0070:7717]
-  7 -> Hauppauge WinTV-HVR1200                             [0070:71d1]
+  7 -> Hauppauge WinTV-HVR1200                             [0070:71d1,0070:71d3]
  8 -> Hauppauge WinTV-HVR1700                             [0070:8101]
  9 -> Hauppauge WinTV-HVR1400                             [0070:8010]
diff --git a/Documentation/video4linux/CARDLIST.em28xx b/Documentation/video4linux/CARDLIST.em28xx
index f40e09296f30..1d6a245c828f 100644
--- a/Documentation/video4linux/CARDLIST.em28xx
+++ b/Documentation/video4linux/CARDLIST.em28xx
@@ -14,4 +14,4 @@
 13 -> Terratec Prodigy XS                      (em2880)        [0ccd:0047]
 14 -> Pixelview Prolink PlayTV USB 2.0         (em2820/em2840)
 15 -> V-Gear PocketTV                          (em2800)
- 16 -> Hauppauge WinTV HVR 950                  (em2880)        [2040:6513]
+ 16 -> Hauppauge WinTV HVR 950                  (em2880)        [2040:6513,2040:6517,2040:651b,2040:651f]
diff --git a/MAINTAINERS b/MAINTAINERS
index f5583dc7ea39..bc1c0088dc49 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -367,12 +367,12 @@ S:	Maintained for 2.4; PCI support for 2.6.
 AMD GEODE CS5536 USB DEVICE CONTROLLER DRIVER
 P:      Thomas Dahlmann
 M:      thomas.dahlmann@amd.com
-L:      info-linux@geode.amd.com        (subscribers-only)
+L:      linux-geode@lists.infradead.org (moderated for non-subscribers)
 S:      Supported
 AMD GEODE PROCESSOR/CHIPSET SUPPORT
 P:      Jordan Crouse
-L:      info-linux@geode.amd.com        (subscribers-only)
+L:      linux-geode@lists.infradead.org (moderated for non-subscribers)
 W:      http://www.amd.com/us-en/ConnectivitySolutions/TechnicalResources/0,,50_2334_2452_11363,00.html
 S:      Supported
@@ -1230,6 +1230,15 @@ P:	Jaya Kumar
 M:      jayakumar.alsa@gmail.com
 S:      Maintained
+CX18 VIDEO4LINUX DRIVER
+P:      Hans Verkuil, Andy Walls
+M:      hverkuil@xs4all.nl, awalls@radix.net
+L:      ivtv-devel@ivtvdriver.org
+L:      ivtv-users@ivtvdriver.org
+L:      video4linux-list@redhat.com
+W:      http://linuxtv.org
+S:      Maintained
 CYBERPRO FB DRIVER
 P:      Russell King
 M:      rmk@arm.linux.org.uk
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index 728bb8f39441..0babb645b83c 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -544,10 +544,10 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
                struct resource *fb_res = &lcdc_resources[2];
                size_t fb_len = fb_res->end - fb_res->start + 1;
-                fb = ioremap_writecombine(fb_res->start, fb_len);
+                fb = ioremap(fb_res->start, fb_len);
                if (fb) {
                        memset(fb, 0, fb_len);
-                        iounmap(fb, fb_len);
+                        iounmap(fb);
                }
        }
        lcdc_data = *data;
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index 054689804e77..450db304936f 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -332,13 +332,6 @@ static struct resource lcdc_resources[] = {
                .end    = AT91SAM9RL_ID_LCDC,
                .flags  = IORESOURCE_IRQ,
        },
-#if defined(CONFIG_FB_INTSRAM)
-        [2] = {
-                .start  = AT91SAM9RL_SRAM_BASE,
-                .end    = AT91SAM9RL_SRAM_BASE + AT91SAM9RL_SRAM_SIZE - 1,
-                .flags  = IORESOURCE_MEM,
-        },
-#endif
 };
 static struct platform_device at91_lcdc_device = {
@@ -381,20 +374,6 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
        at91_set_B_periph(AT91_PIN_PC24, 0);    /* LCDD22 */
        at91_set_B_periph(AT91_PIN_PC25, 0);    /* LCDD23 */
-#ifdef CONFIG_FB_INTSRAM
-        {
-                void __iomem *fb;
-                struct resource *fb_res = &lcdc_resources[2];
-                size_t fb_len = fb_res->end - fb_res->start + 1;
-                fb = ioremap_writecombine(fb_res->start, fb_len);
-                if (fb) {
-                        memset(fb, 0, fb_len);
-                        iounmap(fb, fb_len);
-                }
-        }
-#endif
        lcdc_data = *data;
        platform_device_register(&at91_lcdc_device);
 }
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 0df5f6f75edf..16be41446b5b 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -135,6 +135,7 @@ config IA64_GENERIC
          HP-zx1/sx1000         For HP systems
          HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices.
          SGI-SN2               For SGI Altix systems
+          SGI-UV                For SGI UV systems
          Ski-simulator         For the HP simulator <http://www.hpl.hp.com/research/linux/ski/>
          If you don't know what to do, choose "generic".
@@ -170,6 +171,18 @@ config IA64_SGI_SN2
          to select this option.  If in doubt, select ia64 generic support
          instead.
+config IA64_SGI_UV`
+        bool "SGI-UV`"
+        select NUMA
+        select ACPI_NUMA
+        select SWIOTLB
+        help
+          Selecting this option will optimize the kernel for use on UV based
+          systems, but the resulting kernel binary will not run on other
+          types of ia64 systems.  If you have an SGI UV system, it's safe
+          to select this option.  If in doubt, select ia64 generic support
+          instead.
 config IA64_HP_SIM
        bool "Ski-simulator"
        select SWIOTLB
diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile
index ec4cca477f49..88f1a55c6c94 100644
--- a/arch/ia64/Makefile
+++ b/arch/ia64/Makefile
@@ -63,7 +63,7 @@ drivers-$(CONFIG_PCI)		+= arch/ia64/pci/
 drivers-$(CONFIG_IA64_HP_SIM)   += arch/ia64/hp/sim/
 drivers-$(CONFIG_IA64_HP_ZX1)   += arch/ia64/hp/common/ arch/ia64/hp/zx1/
 drivers-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += arch/ia64/hp/common/ arch/ia64/hp/zx1/
-drivers-$(CONFIG_IA64_GENERIC)  += arch/ia64/hp/common/ arch/ia64/hp/zx1/ arch/ia64/hp/sim/ arch/ia64/sn/
+drivers-$(CONFIG_IA64_GENERIC)  += arch/ia64/hp/common/ arch/ia64/hp/zx1/ arch/ia64/hp/sim/ arch/ia64/sn/ arch/ia64/uv/
 drivers-$(CONFIG_OPROFILE)      += arch/ia64/oprofile/
 boot := arch/ia64/hp/sim/boot
diff --git a/arch/ia64/ia32/ia32_support.c b/arch/ia64/ia32/ia32_support.c
index 896b1ebbfb26..a6965ddafc46 100644
--- a/arch/ia64/ia32/ia32_support.c
+++ b/arch/ia64/ia32/ia32_support.c
@@ -15,7 +15,6 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/mm.h>
-#include <linux/personality.h>
 #include <linux/sched.h>
 #include <asm/intrinsics.h>
@@ -29,7 +28,6 @@
 extern int die_if_kernel (char *str, struct pt_regs *regs, long err);
-struct exec_domain ia32_exec_domain;
 struct page *ia32_shared_page[NR_CPUS];
 unsigned long *ia32_boot_gdt;
 unsigned long *cpu_gdt_table[NR_CPUS];
@@ -240,14 +238,6 @@ ia32_cpu_init (void)
 static int __init
 ia32_init (void)
 {
-        ia32_exec_domain.name = "Linux/x86";
-        ia32_exec_domain.handler = NULL;
-        ia32_exec_domain.pers_low = PER_LINUX32;
-        ia32_exec_domain.pers_high = PER_LINUX32;
-        ia32_exec_domain.signal_map = default_exec_domain.signal_map;
-        ia32_exec_domain.signal_invmap = default_exec_domain.signal_invmap;
-        register_exec_domain(&ia32_exec_domain);
 #if PAGE_SHIFT > IA32_PAGE_SHIFT
        {
                extern struct kmem_cache *ia64_partial_page_cachep;
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 19709a079635..853d1f11be00 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -117,7 +117,10 @@ acpi_get_sysname(void)
        if (!strcmp(hdr->oem_id, "HP")) {
                return "hpzx1";
        } else if (!strcmp(hdr->oem_id, "SGI")) {
-                return "sn2";
+                if (!strcmp(hdr->oem_table_id + 4, "UV"))
+                        return "uv";
+                else
+                        return "sn2";
        }
        return "dig";
@@ -130,6 +133,8 @@ acpi_get_sysname(void)
        return "hpzx1_swiotlb";
 # elif defined (CONFIG_IA64_SGI_SN2)
        return "sn2";
+# elif defined (CONFIG_IA64_SGI_UV)
+        return "uv";
 # elif defined (CONFIG_IA64_DIG)
        return "dig";
 # else
@@ -622,6 +627,9 @@ void acpi_unregister_gsi(u32 gsi)
        if (acpi_irq_model == ACPI_IRQ_MODEL_PLATFORM)
                return;
+        if (has_8259 && gsi < 16)
+                return;
        iosapic_unregister_intr(gsi);
 }
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index e49ad8c5dc69..ca2bb95726de 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1156,6 +1156,9 @@ skip_rbs_switch:
         *      r31 = current->thread_info->flags
         * On exit:
         *      p6 = TRUE if work-pending-check needs to be redone
+         *
+         * Interrupts are disabled on entry, reenabled depend on work, and
+         * disabled on exit.
         */
 .work_pending_syscall:
        add r2=-8,r2
@@ -1164,16 +1167,16 @@ skip_rbs_switch:
        st8 [r2]=r8
        st8 [r3]=r10
 .work_pending:
-        tbit.z p6,p0=r31,TIF_NEED_RESCHED               // current_thread_info()->need_resched==0?
+        tbit.z p6,p0=r31,TIF_NEED_RESCHED       // is resched not needed?
 (p6)    br.cond.sptk.few .notify
 #ifdef CONFIG_PREEMPT
 (pKStk) dep r21=-1,r0,PREEMPT_ACTIVE_BIT,1
        ;;
 (pKStk) st4 [r20]=r21
-        ssm psr.i               // enable interrupts
 #endif
+        ssm psr.i               // enable interrupts
        br.call.spnt.many rp=schedule
-.ret9:  cmp.eq p6,p0=r0,r0                              // p6 <- 1
+.ret9:  cmp.eq p6,p0=r0,r0      // p6 <- 1 (re-check)
        rsm psr.i               // disable interrupts
        ;;
 #ifdef CONFIG_PREEMPT
@@ -1182,13 +1185,13 @@ skip_rbs_switch:
 (pKStk) st4 [r20]=r0            // preempt_count() <- 0
 #endif
 (pLvSys)br.cond.sptk.few  .work_pending_syscall_end
-        br.cond.sptk.many .work_processed_kernel        // re-check
+        br.cond.sptk.many .work_processed_kernel
 .notify:
 (pUStk) br.call.spnt.many rp=notify_resume_user
-.ret10: cmp.ne p6,p0=r0,r0                              // p6 <- 0
+.ret10: cmp.ne p6,p0=r0,r0      // p6 <- 0 (don't re-check)
 (pLvSys)br.cond.sptk.few  .work_pending_syscall_end
-        br.cond.sptk.many .work_processed_kernel        // don't re-check
+        br.cond.sptk.many .work_processed_kernel
 .work_pending_syscall_end:
        adds r2=PT(R8)+16,r12
@@ -1196,7 +1199,7 @@ skip_rbs_switch:
        ;;
        ld8 r8=[r2]
        ld8 r10=[r3]
-        br.cond.sptk.many .work_processed_syscall       // re-check
+        br.cond.sptk.many .work_processed_syscall
 END(ia64_leave_kernel)
@@ -1234,9 +1237,12 @@ GLOBAL_ENTRY(ia64_invoke_schedule_tail)
 END(ia64_invoke_schedule_tail)
        /*
-         * Setup stack and call do_notify_resume_user().  Note that pSys and pNonSys need to
+         * Setup stack and call do_notify_resume_user(), keeping interrupts
-         * be set up by the caller.  We declare 8 input registers so the system call
+         * disabled.
-         * args get preserved, in case we need to restart a system call.
+         *
+         * Note that pSys and pNonSys need to be set up by the caller.
+         * We declare 8 input registers so the system call args get preserved,
+         * in case we need to restart a system call.
         */
 ENTRY(notify_resume_user)
        .prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(8)
diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c
index 4547a2092af9..9dc00f7fe10e 100644
--- a/arch/ia64/kernel/palinfo.c
+++ b/arch/ia64/kernel/palinfo.c
@@ -900,12 +900,6 @@ static void
 palinfo_smp_call(void *info)
 {
        palinfo_smp_data_t *data = (palinfo_smp_data_t *)info;
-        if (data == NULL) {
-                printk(KERN_ERR "palinfo: data pointer is NULL\n");
-                data->ret = 0; /* no output */
-                return;
-        }
-        /* does this actual call */
        data->ret = (*data->func)(data->page);
 }
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index c1ad27de2dd2..71d05133f556 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -5013,12 +5013,13 @@ pfm_context_force_terminate(pfm_context_t *ctx, struct pt_regs *regs)
 }
 static int pfm_ovfl_notify_user(pfm_context_t *ctx, unsigned long ovfl_pmds);
 /*
  * pfm_handle_work() can be called with interrupts enabled
  * (TIF_NEED_RESCHED) or disabled. The down_interruptible
  * call may sleep, therefore we must re-enable interrupts
  * to avoid deadlocks. It is safe to do so because this function
-  * is called ONLY when returning to user level (PUStk=1), in which case
+  * is called ONLY when returning to user level (pUStk=1), in which case
  * there is no risk of kernel stack overflow due to deep
  * interrupt nesting.
  */
@@ -5034,7 +5035,8 @@ pfm_handle_work(void)
        ctx = PFM_GET_CTX(current);
        if (ctx == NULL) {
-                printk(KERN_ERR "perfmon: [%d] has no PFM context\n", task_pid_nr(current));
+                printk(KERN_ERR "perfmon: [%d] has no PFM context\n",
+                        task_pid_nr(current));
                return;
        }
@@ -5058,11 +5060,12 @@ pfm_handle_work(void)
        /*
         * must be done before we check for simple-reset mode
         */
-        if (ctx->ctx_fl_going_zombie || ctx->ctx_state == PFM_CTX_ZOMBIE) goto do_zombie;
+        if (ctx->ctx_fl_going_zombie || ctx->ctx_state == PFM_CTX_ZOMBIE)
+                goto do_zombie;
        //if (CTX_OVFL_NOBLOCK(ctx)) goto skip_blocking;
-        if (reason == PFM_TRAP_REASON_RESET) goto skip_blocking;
+        if (reason == PFM_TRAP_REASON_RESET)
+                goto skip_blocking;
        /*
         * restore interrupt mask to what it was on entry.
@@ -5110,7 +5113,8 @@ do_zombie:
        /*
         * in case of interruption of down() we don't restart anything
         */
-        if (ret < 0) goto nothing_to_do;
+        if (ret < 0)
+                goto nothing_to_do;
 skip_blocking:
        pfm_resume_after_ovfl(ctx, ovfl_regs, regs);
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index 58dcfac5ea88..a3a34b4eb038 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -167,11 +167,18 @@ void tsk_clear_notify_resume(struct task_struct *tsk)
        clear_ti_thread_flag(task_thread_info(tsk), TIF_NOTIFY_RESUME);
 }
+/*
+ * do_notify_resume_user():
+ *      Called from notify_resume_user at entry.S, with interrupts disabled.
+ */
 void
-do_notify_resume_user (sigset_t *unused, struct sigscratch *scr, long in_syscall)
+do_notify_resume_user(sigset_t *unused, struct sigscratch *scr, long in_syscall)
 {
        if (fsys_mode(current, &scr->pt)) {
-                /* defer signal-handling etc. until we return to privilege-level 0.  */
+                /*
+                 * defer signal-handling etc. until we return to
+                 * privilege-level 0.
+                 */
                if (!ia64_psr(&scr->pt)->lp)
                        ia64_psr(&scr->pt)->lp = 1;
                return;
@@ -179,16 +186,26 @@ do_notify_resume_user (sigset_t *unused, struct sigscratch *scr, long in_syscall
 #ifdef CONFIG_PERFMON
        if (current->thread.pfm_needs_checking)
+                /*
+                 * Note: pfm_handle_work() allow us to call it with interrupts
+                 * disabled, and may enable interrupts within the function.
+                 */
                pfm_handle_work();
 #endif
        /* deal with pending signal delivery */
-        if (test_thread_flag(TIF_SIGPENDING))
+        if (test_thread_flag(TIF_SIGPENDING)) {
+                local_irq_enable();     /* force interrupt enable */
                ia64_do_signal(scr, in_syscall);
+        }
        /* copy user rbs to kernel rbs */
-        if (unlikely(test_thread_flag(TIF_RESTORE_RSE)))
+        if (unlikely(test_thread_flag(TIF_RESTORE_RSE))) {
+                local_irq_enable();     /* force interrupt enable */
                ia64_sync_krbs();
+        }
+        local_irq_disable();    /* force interrupt disable */
 }
 static int pal_halt        = 1;
diff --git a/arch/ia64/kernel/sal.c b/arch/ia64/kernel/sal.c
index a3022dc48ef8..7e0259709c04 100644
--- a/arch/ia64/kernel/sal.c
+++ b/arch/ia64/kernel/sal.c
@@ -229,6 +229,14 @@ static void __init sal_desc_ap_wakeup(void *p) { }
 */
 static int sal_cache_flush_drops_interrupts;
+static int __init
+force_pal_cache_flush(char *str)
+{
+        sal_cache_flush_drops_interrupts = 1;
+        return 0;
+}
+early_param("force_pal_cache_flush", force_pal_cache_flush);
 void __init
 check_sal_cache_flush (void)
 {
@@ -237,6 +245,9 @@ check_sal_cache_flush (void)
        u64 vector, cache_type = 3;
        struct ia64_sal_retval isrv;
+        if (sal_cache_flush_drops_interrupts)
+                return;
        cpu = get_cpu();
        local_irq_save(flags);
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 5015ca1275ca..e9596cd0cdab 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -239,6 +239,25 @@ __initcall(register_memory);
 #ifdef CONFIG_KEXEC
+/*
+ * This function checks if the reserved crashkernel is allowed on the specific
+ * IA64 machine flavour. Machines without an IO TLB use swiotlb and require
+ * some memory below 4 GB (i.e. in 32 bit area), see the implementation of
+ * lib/swiotlb.c. The hpzx1 architecture has an IO TLB but cannot use that
+ * in kdump case. See the comment in sba_init() in sba_iommu.c.
+ *
+ * So, the only machvec that really supports loading the kdump kernel
+ * over 4 GB is "sn2".
+ */
+static int __init check_crashkernel_memory(unsigned long pbase, size_t size)
+{
+        if (ia64_platform_is("sn2") || ia64_platform_is("uv"))
+                return 1;
+        else
+                return pbase < (1UL << 32);
+}
 static void __init setup_crashkernel(unsigned long total, int *n)
 {
        unsigned long long base = 0, size = 0;
@@ -252,6 +271,16 @@ static void __init setup_crashkernel(unsigned long total, int *n)
                        base = kdump_find_rsvd_region(size,
                                        rsvd_region, *n);
                }
+                if (!check_crashkernel_memory(base, size)) {
+                        pr_warning("crashkernel: There would be kdump memory "
+                                "at %ld GB but this is unusable because it "
+                                "must\nbe below 4 GB. Change the memory "
+                                "configuration of the machine.\n",
+                                (unsigned long)(base >> 30));
+                        return;
+                }
                if (base != ~0UL) {
                        printk(KERN_INFO "Reserving %ldMB of memory at %ldMB "
                                        "for crashkernel (System RAM: %ldMB)\n",
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index fc6c6636ffda..200100ea7610 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -719,3 +719,28 @@ out:
 EXPORT_SYMBOL_GPL(remove_memory);
 #endif /* CONFIG_MEMORY_HOTREMOVE */
 #endif
+/*
+ * Even when CONFIG_IA32_SUPPORT is not enabled it is
+ * useful to have the Linux/x86 domain registered to
+ * avoid an attempted module load when emulators call
+ * personality(PER_LINUX32). This saves several milliseconds
+ * on each such call.
+ */
+static struct exec_domain ia32_exec_domain;
+static int __init
+per_linux32_init(void)
+{
+        ia32_exec_domain.name = "Linux/x86";
+        ia32_exec_domain.handler = NULL;
+        ia32_exec_domain.pers_low = PER_LINUX32;
+        ia32_exec_domain.pers_high = PER_LINUX32;
+        ia32_exec_domain.signal_map = default_exec_domain.signal_map;
+        ia32_exec_domain.signal_invmap = default_exec_domain.signal_invmap;
+        register_exec_domain(&ia32_exec_domain);
+        return 0;
+}
+__initcall(per_linux32_init);
diff --git a/arch/ia64/uv/Makefile b/arch/ia64/uv/Makefile
new file mode 100644
index 000000000000..aa9f91947c49
--- /dev/null
+++ b/arch/ia64/uv/Makefile
@@ -0,0 +1,12 @@
+# arch/ia64/uv/Makefile
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License.  See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+# Copyright (C) 2008 Silicon Graphics, Inc.  All Rights Reserved.
+#
+# Makefile for the sn uv subplatform
+#
+obj-y += kernel/
diff --git a/arch/ia64/uv/kernel/Makefile b/arch/ia64/uv/kernel/Makefile
new file mode 100644
index 000000000000..8d92b4684d8e
--- /dev/null
+++ b/arch/ia64/uv/kernel/Makefile
@@ -0,0 +1,13 @@
+# arch/ia64/uv/kernel/Makefile
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License.  See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+# Copyright (C) 2008 Silicon Graphics, Inc.  All Rights Reserved.
+#
+EXTRA_CFLAGS += -Iarch/ia64/sn/include
+obj-y                           += setup.o
+obj-$(CONFIG_IA64_GENERIC)      += machvec.o
diff --git a/arch/ia64/uv/kernel/machvec.c b/arch/ia64/uv/kernel/machvec.c
new file mode 100644
index 000000000000..50737a9dca74
--- /dev/null
+++ b/arch/ia64/uv/kernel/machvec.c
@@ -0,0 +1,11 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 2008 Silicon Graphics, Inc.  All Rights Reserved.
+ */
+#define MACHVEC_PLATFORM_NAME   uv
+#define MACHVEC_PLATFORM_HEADER <asm/machvec_uv.h>
+#include <asm/machvec_init.h>
diff --git a/arch/ia64/uv/kernel/setup.c b/arch/ia64/uv/kernel/setup.c
new file mode 100644
index 000000000000..9aa743203c3c
--- /dev/null
+++ b/arch/ia64/uv/kernel/setup.c
@@ -0,0 +1,98 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * SGI UV Core Functions
+ *
+ * Copyright (C) 2008 Silicon Graphics, Inc. All rights reserved.
+ */
+#include <linux/module.h>
+#include <linux/percpu.h>
+#include <asm/sn/simulator.h>
+#include <asm/uv/uv_mmrs.h>
+#include <asm/uv/uv_hub.h>
+DEFINE_PER_CPU(struct uv_hub_info_s, __uv_hub_info);
+EXPORT_PER_CPU_SYMBOL_GPL(__uv_hub_info);
+struct redir_addr {
+        unsigned long redirect;
+        unsigned long alias;
+};
+#define DEST_SHIFT UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR_DEST_BASE_SHFT
+static __initdata struct redir_addr redir_addrs[] = {
+        {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR, UVH_SI_ALIAS0_OVERLAY_CONFIG},
+        {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_1_MMR, UVH_SI_ALIAS1_OVERLAY_CONFIG},
+        {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_2_MMR, UVH_SI_ALIAS2_OVERLAY_CONFIG},
+};
+static __init void get_lowmem_redirect(unsigned long *base, unsigned long *size)
+{
+        union uvh_si_alias0_overlay_config_u alias;
+        union uvh_rh_gam_alias210_redirect_config_2_mmr_u redirect;
+        int i;
+        for (i = 0; i < ARRAY_SIZE(redir_addrs); i++) {
+                alias.v = uv_read_local_mmr(redir_addrs[i].alias);
+                if (alias.s.base == 0) {
+                        *size = (1UL << alias.s.m_alias);
+                        redirect.v = uv_read_local_mmr(redir_addrs[i].redirect);
+                        *base = (unsigned long)redirect.s.dest_base << DEST_SHIFT;
+                        return;
+                }
+        }
+        BUG();
+}
+void __init uv_setup(char **cmdline_p)
+{
+        union uvh_si_addr_map_config_u m_n_config;
+        union uvh_node_id_u node_id;
+        unsigned long gnode_upper;
+        int nid, cpu, m_val, n_val;
+        unsigned long mmr_base, lowmem_redir_base, lowmem_redir_size;
+        if (IS_MEDUSA()) {
+                lowmem_redir_base = 0;
+                lowmem_redir_size = 0;
+                node_id.v = 0;
+                m_n_config.s.m_skt = 37;
+                m_n_config.s.n_skt = 0;
+                mmr_base = 0;
+        } else {
+                get_lowmem_redirect(&lowmem_redir_base, &lowmem_redir_size);
+                node_id.v = uv_read_local_mmr(UVH_NODE_ID);
+                m_n_config.v = uv_read_local_mmr(UVH_SI_ADDR_MAP_CONFIG);
+                mmr_base =
+                        uv_read_local_mmr(UVH_RH_GAM_MMR_OVERLAY_CONFIG_MMR) &
+                                ~UV_MMR_ENABLE;
+        }
+        m_val = m_n_config.s.m_skt;
+        n_val = m_n_config.s.n_skt;
+        printk(KERN_DEBUG "UV: global MMR base 0x%lx\n", mmr_base);
+        gnode_upper = (((unsigned long)node_id.s.node_id) &
+                       ~((1 << n_val) - 1)) << m_val;
+        for_each_present_cpu(cpu) {
+                nid = cpu_to_node(cpu);
+                uv_cpu_hub_info(cpu)->lowmem_remap_base = lowmem_redir_base;
+                uv_cpu_hub_info(cpu)->lowmem_remap_top =
+                        lowmem_redir_base + lowmem_redir_size;
+                uv_cpu_hub_info(cpu)->m_val = m_val;
+                uv_cpu_hub_info(cpu)->n_val = m_val;
+                uv_cpu_hub_info(cpu)->pnode_mask = (1 << n_val) -1;
+                uv_cpu_hub_info(cpu)->gpa_mask = (1 << (m_val + n_val)) - 1;
+                uv_cpu_hub_info(cpu)->gnode_upper = gnode_upper;
+                uv_cpu_hub_info(cpu)->global_mmr_base = mmr_base;
+                uv_cpu_hub_info(cpu)->coherency_domain_number = 0;/* ZZZ */
+                printk(KERN_DEBUG "UV cpu %d, nid %d\n", cpu, nid);
+        }
+}
diff --git a/arch/m68knommu/Kconfig b/arch/m68knommu/Kconfig
index 07eb4c4bab82..8e8441587c22 100644
--- a/arch/m68knommu/Kconfig
+++ b/arch/m68knommu/Kconfig
@@ -671,6 +671,9 @@ config ROMKERNEL
 endchoice
+if COLDFIRE
+source "kernel/Kconfig.preempt"
+endif
 source "mm/Kconfig"
 endmenu
diff --git a/arch/m68knommu/kernel/vmlinux.lds.S b/arch/m68knommu/kernel/vmlinux.lds.S
index 5592e0bf951f..93e69236ed6f 100644
--- a/arch/m68knommu/kernel/vmlinux.lds.S
+++ b/arch/m68knommu/kernel/vmlinux.lds.S
@@ -114,6 +114,16 @@ SECTIONS {
                *(__kcrctab_gpl)
                __stop___kcrctab_gpl = .;
+                /* Kernel symbol table: Normal unused symbols */
+                __start___kcrctab_unused = .;
+                *(__kcrctab_unused)
+                __stop___kcrctab_unused = .;
+                /* Kernel symbol table: GPL-only unused symbols */
+                __start___kcrctab_unused_gpl = .;
+                *(__kcrctab_unused_gpl)
+                __stop___kcrctab_unused_gpl = .;
                /* Kernel symbol table: GPL-future symbols */
                __start___kcrctab_gpl_future = .;
                *(__kcrctab_gpl_future)
diff --git a/arch/mn10300/boot/install.sh b/arch/mn10300/boot/install.sh
index 072951c83976..abba30971191 100644
--- a/arch/mn10300/boot/install.sh
+++ b/arch/mn10300/boot/install.sh
@@ -26,42 +26,42 @@ rm -fr $4/../usr/include/linux $4/../usr/include/asm
 install -c -m 0755 $2 $4/vmlinuz
 install -c -m 0755 $5 $4/boot.rom
 install -c -m 0755 -d $4/../usr/include/linux
-cd $TOPDIR/include/linux
+cd ${srctree}/include/linux
 for i in `find . -maxdepth 1 -name '*.h' -print`; do
  install -c -m 0644 $i $4/../usr/include/linux
 done
 install -c -m 0755 -d $4/../usr/include/linux/byteorder
-cd $TOPDIR/include/linux/byteorder
+cd ${srctree}/include/linux/byteorder
 for i in `find . -name '*.h' -print`; do
  install -c -m 0644 $i $4/../usr/include/linux/byteorder
 done
 install -c -m 0755 -d $4/../usr/include/linux/lockd
-cd $TOPDIR/include/linux/lockd
+cd ${srctree}/include/linux/lockd
 for i in `find . -name '*.h' -print`; do
  install -c -m 0644 $i $4/../usr/include/linux/lockd
 done
 install -c -m 0755 -d $4/../usr/include/linux/netfilter_ipv4
-cd $TOPDIR/include/linux/netfilter_ipv4
+cd ${srctree}/include/linux/netfilter_ipv4
 for i in `find . -name '*.h' -print`; do
  install -c -m 0644 $i $4/../usr/include/linux/netfilter_ipv4
 done
 install -c -m 0755 -d $4/../usr/include/linux/nfsd
-cd $TOPDIR/include/linux/nfsd
+cd ${srctree}/include/linux/nfsd
 for i in `find . -name '*.h' -print`; do
  install -c -m 0644 $i $4/../usr/include/linux/nfsd/$i
 done
 install -c -m 0755 -d $4/../usr/include/linux/raid
-cd $TOPDIR/include/linux/raid
+cd ${srctree}/include/linux/raid
 for i in `find . -name '*.h' -print`; do
  install -c -m 0644 $i $4/../usr/include/linux/raid
 done
 install -c -m 0755 -d $4/../usr/include/linux/sunrpc
-cd $TOPDIR/include/linux/sunrpc
+cd ${srctree}/include/linux/sunrpc
 for i in `find . -name '*.h' -print`; do
  install -c -m 0644 $i $4/../usr/include/linux/sunrpc
 done
 install -c -m 0755 -d $4/../usr/include/asm
-cd $TOPDIR/include/asm
+cd ${srctree}/include/asm
 for i in `find . -name '*.h' -print`; do
  install -c -m 0644 $i $4/../usr/include/asm
 done
diff --git a/arch/parisc/hpux/gate.S b/arch/parisc/hpux/gate.S
index 38a1c1b8d4e8..f0b18ce89842 100644
--- a/arch/parisc/hpux/gate.S
+++ b/arch/parisc/hpux/gate.S
@@ -13,9 +13,10 @@
 #include <asm/unistd.h>
 #include <asm/errno.h>
 #include <linux/linkage.h>
+#include <linux/init.h>
        .level  LEVEL
-        .text
+        __HEAD
        .import hpux_call_table
        .import hpux_syscall_exit,code
diff --git a/arch/parisc/hpux/wrappers.S b/arch/parisc/hpux/wrappers.S
index 58c53c879c02..ccd3a50c0995 100644
--- a/arch/parisc/hpux/wrappers.S
+++ b/arch/parisc/hpux/wrappers.S
@@ -28,9 +28,10 @@
 #include <asm/assembly.h>
 #include <asm/signal.h>
 #include <linux/linkage.h>
+#include <linux/init.h>
        .level  LEVEL
-        .text
+        __HEAD
        /* These should probably go in a header file somewhere.
         * They are duplicated in kernel/wrappers.S
diff --git a/arch/parisc/kernel/Makefile b/arch/parisc/kernel/Makefile
index 1f6585a56f97..016d3fc4111c 100644
--- a/arch/parisc/kernel/Makefile
+++ b/arch/parisc/kernel/Makefile
@@ -4,9 +4,6 @@
 extra-y                 := init_task.o head.o vmlinux.lds
-AFLAGS_entry.o  := -traditional
-AFLAGS_pacache.o := -traditional
 obj-y           := cache.o pacache.o setup.o traps.o time.o irq.o \
                   pa7300lc.o syscall.o entry.o sys_parisc.o firmware.o \
                   ptrace.o hardware.o inventory.o drivers.o \
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index 111d47284eac..5d0837458c19 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -38,18 +38,11 @@
 #include <asm/thread_info.h>
 #include <linux/linkage.h>
+#include <linux/init.h>
 #ifdef CONFIG_64BIT
-#define CMPIB           cmpib,*
-#define CMPB            cmpb,*
-#define COND(x)         *x
        .level 2.0w
 #else
-#define CMPIB           cmpib,
-#define CMPB            cmpb,
-#define COND(x)         x
        .level 2.0
 #endif
@@ -629,7 +622,7 @@
         * the static part of the kernel address space.
         */
-        .text
+        __HEAD
        .align  PAGE_SIZE
@@ -957,9 +950,9 @@ intr_check_sig:
         * Only do signals if we are returning to user space
         */
        LDREG   PT_IASQ0(%r16), %r20
-        CMPIB=,n 0,%r20,intr_restore /* backward */
+        cmpib,COND(=),n 0,%r20,intr_restore /* backward */
        LDREG   PT_IASQ1(%r16), %r20
-        CMPIB=,n 0,%r20,intr_restore /* backward */
+        cmpib,COND(=),n 0,%r20,intr_restore /* backward */
        copy    %r0, %r25                       /* long in_syscall = 0 */
 #ifdef CONFIG_64BIT
@@ -1013,10 +1006,10 @@ intr_do_resched:
         * we jump back to intr_restore.
         */
        LDREG   PT_IASQ0(%r16), %r20
-        CMPIB=  0, %r20, intr_do_preempt
+        cmpib,COND(=)   0, %r20, intr_do_preempt
        nop
        LDREG   PT_IASQ1(%r16), %r20
-        CMPIB=  0, %r20, intr_do_preempt
+        cmpib,COND(=)   0, %r20, intr_do_preempt
        nop
 #ifdef CONFIG_64BIT
@@ -1045,7 +1038,7 @@ intr_do_preempt:
        /* current_thread_info()->preempt_count */
        mfctl   %cr30, %r1
        LDREG   TI_PRE_COUNT(%r1), %r19
-        CMPIB<> 0, %r19, intr_restore   /* if preempt_count > 0 */
+        cmpib,COND(<>)  0, %r19, intr_restore   /* if preempt_count > 0 */
        nop                             /* prev insn branched backwards */
        /* check if we interrupted a critical path */
@@ -1064,7 +1057,7 @@ intr_do_preempt:
         */
 intr_extint:
-        CMPIB=,n 0,%r16,1f
+        cmpib,COND(=),n 0,%r16,1f
        get_stack_use_cr30
        b,n 2f
@@ -1099,7 +1092,7 @@ ENDPROC(syscall_exit_rfi)
 ENTRY(intr_save)                /* for os_hpmc */
        mfsp    %sr7,%r16
-        CMPIB=,n 0,%r16,1f
+        cmpib,COND(=),n 0,%r16,1f
        get_stack_use_cr30
        b       2f
        copy    %r8,%r26
@@ -1121,7 +1114,7 @@ ENTRY(intr_save)		/* for os_hpmc */
         *           adjust isr/ior below.
         */
-        CMPIB=,n        6,%r26,skip_save_ior
+        cmpib,COND(=),n        6,%r26,skip_save_ior
        mfctl           %cr20, %r16 /* isr */
@@ -1450,11 +1443,11 @@ nadtlb_emulate:
        bb,>=,n         %r9,26,nadtlb_nullify  /* m bit not set, just nullify */
        BL              get_register,%r25
        extrw,u         %r9,15,5,%r8           /* Get index register # */
-        CMPIB=,n        -1,%r1,nadtlb_fault    /* have to use slow path */
+        cmpib,COND(=),n        -1,%r1,nadtlb_fault    /* have to use slow path */
        copy            %r1,%r24
        BL              get_register,%r25
        extrw,u         %r9,10,5,%r8           /* Get base register # */
-        CMPIB=,n        -1,%r1,nadtlb_fault    /* have to use slow path */
+        cmpib,COND(=),n        -1,%r1,nadtlb_fault    /* have to use slow path */
        BL              set_register,%r25
        add,l           %r1,%r24,%r1           /* doesn't affect c/b bits */
@@ -1486,7 +1479,7 @@ nadtlb_probe_check:
        cmpb,<>,n       %r16,%r17,nadtlb_fault /* Must be probe,[rw]*/
        BL              get_register,%r25      /* Find the target register */
        extrw,u         %r9,31,5,%r8           /* Get target register */
-        CMPIB=,n        -1,%r1,nadtlb_fault    /* have to use slow path */
+        cmpib,COND(=),n        -1,%r1,nadtlb_fault    /* have to use slow path */
        BL              set_register,%r25
        copy            %r0,%r1                /* Write zero to target register */
        b nadtlb_nullify                       /* Nullify return insn */
@@ -1570,12 +1563,12 @@ dbit_trap_20w:
        L3_ptep         ptp,pte,t0,va,dbit_fault
 #ifdef CONFIG_SMP
-        CMPIB=,n        0,spc,dbit_nolock_20w
+        cmpib,COND(=),n        0,spc,dbit_nolock_20w
        load32          PA(pa_dbit_lock),t0
 dbit_spin_20w:
        LDCW            0(t0),t1
-        cmpib,=         0,t1,dbit_spin_20w
+        cmpib,COND(=)         0,t1,dbit_spin_20w
        nop
 dbit_nolock_20w:
@@ -1586,7 +1579,7 @@ dbit_nolock_20w:
                
        idtlbt          pte,prot
 #ifdef CONFIG_SMP
-        CMPIB=,n        0,spc,dbit_nounlock_20w
+        cmpib,COND(=),n        0,spc,dbit_nounlock_20w
        ldi             1,t1
        stw             t1,0(t0)
@@ -1606,7 +1599,7 @@ dbit_trap_11:
        L2_ptep         ptp,pte,t0,va,dbit_fault
 #ifdef CONFIG_SMP
-        CMPIB=,n        0,spc,dbit_nolock_11
+        cmpib,COND(=),n        0,spc,dbit_nolock_11
        load32          PA(pa_dbit_lock),t0
 dbit_spin_11:
@@ -1628,7 +1621,7 @@ dbit_nolock_11:
        mtsp            t1, %sr1     /* Restore sr1 */
 #ifdef CONFIG_SMP
-        CMPIB=,n        0,spc,dbit_nounlock_11
+        cmpib,COND(=),n        0,spc,dbit_nounlock_11
        ldi             1,t1
        stw             t1,0(t0)
@@ -1646,7 +1639,7 @@ dbit_trap_20:
        L2_ptep         ptp,pte,t0,va,dbit_fault
 #ifdef CONFIG_SMP
-        CMPIB=,n        0,spc,dbit_nolock_20
+        cmpib,COND(=),n        0,spc,dbit_nolock_20
        load32          PA(pa_dbit_lock),t0
 dbit_spin_20:
@@ -1665,7 +1658,7 @@ dbit_nolock_20:
        idtlbt          pte,prot
 #ifdef CONFIG_SMP
-        CMPIB=,n        0,spc,dbit_nounlock_20
+        cmpib,COND(=),n        0,spc,dbit_nounlock_20
        ldi             1,t1
        stw             t1,0(t0)
@@ -1994,7 +1987,7 @@ ENTRY(syscall_exit)
        /* We can't use "CMPIB<> PER_HPUX" since "im5" field is sign extended */
        ldo       -PER_HPUX(%r19), %r19
-        CMPIB<>,n 0,%r19,1f
+        cmpib,COND(<>),n 0,%r19,1f
        /* Save other hpux returns if personality is PER_HPUX */
        STREG     %r22,TASK_PT_GR22(%r1)
diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S
index ec2482dc1beb..5680a2c3b13d 100644
--- a/arch/parisc/kernel/head.S
+++ b/arch/parisc/kernel/head.S
@@ -32,7 +32,7 @@ ENTRY(boot_args)
        .word 0 /* arg3 */
 END(boot_args)
-        .section .text.head
+        __HEAD
        .align  4
        .import init_thread_union,data
        .import fault_vector_20,code    /* IVA parisc 2.0 32 bit */
diff --git a/arch/parisc/kernel/hpmc.S b/arch/parisc/kernel/hpmc.S
index 2cbf13b3ef11..068322eb8c9b 100644
--- a/arch/parisc/kernel/hpmc.S
+++ b/arch/parisc/kernel/hpmc.S
@@ -47,6 +47,7 @@
 #include <asm/pdc.h>
 #include <linux/linkage.h>
+#include <linux/init.h>
        /*
         * stack for os_hpmc, the HPMC handler.
@@ -76,7 +77,7 @@ ENTRY(hpmc_pim_data)
        .block HPMC_PIM_DATA_SIZE
 END(hpmc_pim_data)
-        .text
+        __HEAD
        .import intr_save, code
 ENTRY(os_hpmc)
diff --git a/arch/parisc/kernel/inventory.c b/arch/parisc/kernel/inventory.c
index 4845a6444633..bd1f7f1ff74e 100644
--- a/arch/parisc/kernel/inventory.c
+++ b/arch/parisc/kernel/inventory.c
@@ -499,7 +499,7 @@ add_system_map_addresses(struct parisc_device *dev, int num_addrs,
        dev->addr = kmalloc(num_addrs * sizeof(unsigned long), GFP_KERNEL);
        if(!dev->addr) {
                printk(KERN_ERR "%s %s(): memory allocation failure\n",
-                       __FILE__, __FUNCTION__);
+                       __FILE__, __func__);
                return;
        }
diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S
index 5901092e0196..e3246a5ca74f 100644
--- a/arch/parisc/kernel/pacache.S
+++ b/arch/parisc/kernel/pacache.S
@@ -37,8 +37,9 @@
 #include <asm/pgtable.h>
 #include <asm/cache.h>
 #include <linux/linkage.h>
+#include <linux/init.h>
-        .text
+        __HEAD
        .align  128
 ENTRY(flush_tlb_all_local)
@@ -85,7 +86,7 @@ ENTRY(flush_tlb_all_local)
        LDREG           ITLB_OFF_COUNT(%r1), %arg2
        LDREG           ITLB_LOOP(%r1), %arg3
-        ADDIB=          -1, %arg3, fitoneloop   /* Preadjust and test */
+        addib,COND(=)           -1, %arg3, fitoneloop   /* Preadjust and test */
        movb,<,n        %arg3, %r31, fitdone    /* If loop < 0, skip */
        copy            %arg0, %r28             /* Init base addr */
@@ -95,14 +96,14 @@ fitmanyloop:					/* Loop if LOOP >= 2 */
        copy            %arg2, %r29             /* Init middle loop count */
 fitmanymiddle:                                  /* Loop if LOOP >= 2 */
-        ADDIB>          -1, %r31, fitmanymiddle /* Adjusted inner loop decr */
+        addib,COND(>)           -1, %r31, fitmanymiddle /* Adjusted inner loop decr */
        pitlbe          0(%sr1, %r28)
        pitlbe,m        %arg1(%sr1, %r28)       /* Last pitlbe and addr adjust */
-        ADDIB>          -1, %r29, fitmanymiddle /* Middle loop decr */
+        addib,COND(>)           -1, %r29, fitmanymiddle /* Middle loop decr */
        copy            %arg3, %r31             /* Re-init inner loop count */
        movb,tr         %arg0, %r28, fitmanyloop /* Re-init base addr */
-        ADDIB<=,n       -1, %r22, fitdone       /* Outer loop count decr */
+        addib,COND(<=),n        -1, %r22, fitdone       /* Outer loop count decr */
 fitoneloop:                                     /* Loop if LOOP = 1 */
        mtsp            %r20, %sr1
@@ -110,10 +111,10 @@ fitoneloop:					/* Loop if LOOP = 1 */
        copy            %arg2, %r29             /* init middle loop count */
 fitonemiddle:                                   /* Loop if LOOP = 1 */
-        ADDIB>          -1, %r29, fitonemiddle  /* Middle loop count decr */
+        addib,COND(>)           -1, %r29, fitonemiddle  /* Middle loop count decr */
        pitlbe,m        %arg1(%sr1, %r28)       /* pitlbe for one loop */
-        ADDIB>          -1, %r22, fitoneloop    /* Outer loop count decr */
+        addib,COND(>)           -1, %r22, fitoneloop    /* Outer loop count decr */
        add             %r21, %r20, %r20                /* increment space */
 fitdone:
@@ -128,7 +129,7 @@ fitdone:
        LDREG           DTLB_OFF_COUNT(%r1), %arg2
        LDREG           DTLB_LOOP(%r1), %arg3
-        ADDIB=          -1, %arg3, fdtoneloop   /* Preadjust and test */
+        addib,COND(=)           -1, %arg3, fdtoneloop   /* Preadjust and test */
        movb,<,n        %arg3, %r31, fdtdone    /* If loop < 0, skip */
        copy            %arg0, %r28             /* Init base addr */
@@ -138,14 +139,14 @@ fdtmanyloop:					/* Loop if LOOP >= 2 */
        copy            %arg2, %r29             /* Init middle loop count */
 fdtmanymiddle:                                  /* Loop if LOOP >= 2 */
-        ADDIB>          -1, %r31, fdtmanymiddle /* Adjusted inner loop decr */
+        addib,COND(>)           -1, %r31, fdtmanymiddle /* Adjusted inner loop decr */
        pdtlbe          0(%sr1, %r28)
        pdtlbe,m        %arg1(%sr1, %r28)       /* Last pdtlbe and addr adjust */
-        ADDIB>          -1, %r29, fdtmanymiddle /* Middle loop decr */
+        addib,COND(>)           -1, %r29, fdtmanymiddle /* Middle loop decr */
        copy            %arg3, %r31             /* Re-init inner loop count */
        movb,tr         %arg0, %r28, fdtmanyloop /* Re-init base addr */
-        ADDIB<=,n       -1, %r22,fdtdone        /* Outer loop count decr */
+        addib,COND(<=),n        -1, %r22,fdtdone        /* Outer loop count decr */
 fdtoneloop:                                     /* Loop if LOOP = 1 */
        mtsp            %r20, %sr1
@@ -153,10 +154,10 @@ fdtoneloop:					/* Loop if LOOP = 1 */
        copy            %arg2, %r29             /* init middle loop count */
 fdtonemiddle:                                   /* Loop if LOOP = 1 */
-        ADDIB>          -1, %r29, fdtonemiddle  /* Middle loop count decr */
+        addib,COND(>)           -1, %r29, fdtonemiddle  /* Middle loop count decr */
        pdtlbe,m        %arg1(%sr1, %r28)       /* pdtlbe for one loop */
-        ADDIB>          -1, %r22, fdtoneloop    /* Outer loop count decr */
+        addib,COND(>)           -1, %r22, fdtoneloop    /* Outer loop count decr */
        add             %r21, %r20, %r20        /* increment space */
@@ -209,18 +210,18 @@ ENTRY(flush_instruction_cache_local)
        LDREG           ICACHE_COUNT(%r1), %arg2
        LDREG           ICACHE_LOOP(%r1), %arg3
        rsm             PSW_SM_I, %r22          /* No mmgt ops during loop*/
-        ADDIB=          -1, %arg3, fioneloop    /* Preadjust and test */
+        addib,COND(=)           -1, %arg3, fioneloop    /* Preadjust and test */
        movb,<,n        %arg3, %r31, fisync     /* If loop < 0, do sync */
 fimanyloop:                                     /* Loop if LOOP >= 2 */
-        ADDIB>          -1, %r31, fimanyloop    /* Adjusted inner loop decr */
+        addib,COND(>)           -1, %r31, fimanyloop    /* Adjusted inner loop decr */
        fice            %r0(%sr1, %arg0)
        fice,m          %arg1(%sr1, %arg0)      /* Last fice and addr adjust */
        movb,tr         %arg3, %r31, fimanyloop /* Re-init inner loop count */
-        ADDIB<=,n       -1, %arg2, fisync       /* Outer loop decr */
+        addib,COND(<=),n        -1, %arg2, fisync       /* Outer loop decr */
 fioneloop:                                      /* Loop if LOOP = 1 */
-        ADDIB>          -1, %arg2, fioneloop    /* Outer loop count decr */
+        addib,COND(>)           -1, %arg2, fioneloop    /* Outer loop count decr */
        fice,m          %arg1(%sr1, %arg0)      /* Fice for one loop */
 fisync:
@@ -250,18 +251,18 @@ ENTRY(flush_data_cache_local)
        LDREG           DCACHE_COUNT(%r1), %arg2
        LDREG           DCACHE_LOOP(%r1), %arg3
        rsm             PSW_SM_I, %r22
-        ADDIB=          -1, %arg3, fdoneloop    /* Preadjust and test */
+        addib,COND(=)           -1, %arg3, fdoneloop    /* Preadjust and test */
        movb,<,n        %arg3, %r31, fdsync     /* If loop < 0, do sync */
 fdmanyloop:                                     /* Loop if LOOP >= 2 */
-        ADDIB>          -1, %r31, fdmanyloop    /* Adjusted inner loop decr */
+        addib,COND(>)           -1, %r31, fdmanyloop    /* Adjusted inner loop decr */
        fdce            %r0(%sr1, %arg0)
        fdce,m          %arg1(%sr1, %arg0)      /* Last fdce and addr adjust */
        movb,tr         %arg3, %r31, fdmanyloop /* Re-init inner loop count */
-        ADDIB<=,n       -1, %arg2, fdsync       /* Outer loop decr */
+        addib,COND(<=),n        -1, %arg2, fdsync       /* Outer loop decr */
 fdoneloop:                                      /* Loop if LOOP = 1 */
-        ADDIB>          -1, %arg2, fdoneloop    /* Outer loop count decr */
+        addib,COND(>)           -1, %arg2, fdoneloop    /* Outer loop count decr */
        fdce,m          %arg1(%sr1, %arg0)      /* Fdce for one loop */
 fdsync:
@@ -342,7 +343,7 @@ ENTRY(copy_user_page_asm)
         * non-taken backward branch. Note that .+4 is a backwards branch.
         * The ldd should only get executed if the branch is taken.
         */
-        ADDIB>,n        -1, %r1, 1b             /* bundle 10 */
+        addib,COND(>),n -1, %r1, 1b             /* bundle 10 */
        ldd             0(%r25), %r19           /* start next loads */
 #else
@@ -391,7 +392,7 @@ ENTRY(copy_user_page_asm)
        stw             %r21, 56(%r26)
        stw             %r22, 60(%r26)
        ldo             64(%r26), %r26
-        ADDIB>,n        -1, %r1, 1b
+        addib,COND(>),n -1, %r1, 1b
        ldw             0(%r25), %r19
 #endif
        bv              %r0(%r2)
@@ -515,7 +516,7 @@ ENTRY(copy_user_page_asm)
        stw             %r21, 56(%r28)
        stw             %r22, 60(%r28)
        ldo             64(%r28), %r28
-        ADDIB>          -1, %r1,1b
+        addib,COND(>)           -1, %r1,1b
        ldo             64(%r29), %r29
        bv              %r0(%r2)
@@ -574,7 +575,7 @@ ENTRY(__clear_user_page_asm)
        std             %r0, 104(%r28)
        std             %r0, 112(%r28)
        std             %r0, 120(%r28)
-        ADDIB>          -1, %r1, 1b
+        addib,COND(>)           -1, %r1, 1b
        ldo             128(%r28), %r28
 #else   /* ! CONFIG_64BIT */
@@ -597,7 +598,7 @@ ENTRY(__clear_user_page_asm)
        stw             %r0, 52(%r28)
        stw             %r0, 56(%r28)
        stw             %r0, 60(%r28)
-        ADDIB>          -1, %r1, 1b
+        addib,COND(>)           -1, %r1, 1b
        ldo             64(%r28), %r28
 #endif  /* CONFIG_64BIT */
@@ -640,7 +641,7 @@ ENTRY(flush_kernel_dcache_page_asm)
        fdc,m           %r23(%r26)
        fdc,m           %r23(%r26)
        fdc,m           %r23(%r26)
-        CMPB<<          %r26, %r25,1b
+        cmpb,COND(<<)           %r26, %r25,1b
        fdc,m           %r23(%r26)
        sync
@@ -683,7 +684,7 @@ ENTRY(flush_user_dcache_page)
        fdc,m           %r23(%sr3, %r26)
        fdc,m           %r23(%sr3, %r26)
        fdc,m           %r23(%sr3, %r26)
-        CMPB<<          %r26, %r25,1b
+        cmpb,COND(<<)           %r26, %r25,1b
        fdc,m           %r23(%sr3, %r26)
        sync
@@ -726,7 +727,7 @@ ENTRY(flush_user_icache_page)
        fic,m           %r23(%sr3, %r26)
        fic,m           %r23(%sr3, %r26)
        fic,m           %r23(%sr3, %r26)
-        CMPB<<          %r26, %r25,1b
+        cmpb,COND(<<)           %r26, %r25,1b
        fic,m           %r23(%sr3, %r26)
        sync
@@ -769,7 +770,7 @@ ENTRY(purge_kernel_dcache_page)
        pdc,m           %r23(%r26)
        pdc,m           %r23(%r26)
        pdc,m           %r23(%r26)
-        CMPB<<          %r26, %r25, 1b
+        cmpb,COND(<<)           %r26, %r25, 1b
        pdc,m           %r23(%r26)
        sync
@@ -833,7 +834,7 @@ ENTRY(flush_alias_page)
        fdc,m           %r23(%r28)
        fdc,m           %r23(%r28)
        fdc,m           %r23(%r28)
-        CMPB<<          %r28, %r29, 1b
+        cmpb,COND(<<)           %r28, %r29, 1b
        fdc,m           %r23(%r28)
        sync
@@ -856,7 +857,7 @@ flush_user_dcache_range_asm:
        ldo             -1(%r23), %r21
        ANDCM           %r26, %r21, %r26
-1:      CMPB<<,n        %r26, %r25, 1b
+1:      cmpb,COND(<<),n %r26, %r25, 1b
        fdc,m           %r23(%sr3, %r26)
        sync
@@ -877,7 +878,7 @@ ENTRY(flush_kernel_dcache_range_asm)
        ldo             -1(%r23), %r21
        ANDCM           %r26, %r21, %r26
-1:      CMPB<<,n        %r26, %r25,1b
+1:      cmpb,COND(<<),n %r26, %r25,1b
        fdc,m           %r23(%r26)
        sync
@@ -899,7 +900,7 @@ ENTRY(flush_user_icache_range_asm)
        ldo             -1(%r23), %r21
        ANDCM           %r26, %r21, %r26
-1:      CMPB<<,n        %r26, %r25,1b
+1:      cmpb,COND(<<),n %r26, %r25,1b
        fic,m           %r23(%sr3, %r26)
        sync
@@ -942,7 +943,7 @@ ENTRY(flush_kernel_icache_page)
        fic,m           %r23(%sr4, %r26)
        fic,m           %r23(%sr4, %r26)
        fic,m           %r23(%sr4, %r26)
-        CMPB<<          %r26, %r25, 1b
+        cmpb,COND(<<)           %r26, %r25, 1b
        fic,m           %r23(%sr4, %r26)
        sync
@@ -963,7 +964,7 @@ ENTRY(flush_kernel_icache_range_asm)
        ldo             -1(%r23), %r21
        ANDCM           %r26, %r21, %r26
-1:      CMPB<<,n        %r26, %r25, 1b
+1:      cmpb,COND(<<),n %r26, %r25, 1b
        fic,m           %r23(%sr4, %r26)
        sync
diff --git a/arch/parisc/kernel/perf_asm.S b/arch/parisc/kernel/perf_asm.S
index 43874ca3ed67..d411dfb5b6d1 100644
--- a/arch/parisc/kernel/perf_asm.S
+++ b/arch/parisc/kernel/perf_asm.S
@@ -20,6 +20,8 @@
 */
 #include <asm/assembly.h>
+#include <linux/init.h>
 #include <linux/linkage.h>
 #ifdef CONFIG_64BIT
@@ -41,7 +43,7 @@
 ; The coprocessor only needs to be enabled when
 ; starting/stopping the coprocessor with the pmenb/pmdis.
 ;
-        .text
+        __HEAD
 ENTRY(perf_intrigue_enable_perf_counters)
        .proc
diff --git a/arch/parisc/kernel/real2.S b/arch/parisc/kernel/real2.S
index 7a92695d95a6..47fbdae6efd5 100644
--- a/arch/parisc/kernel/real2.S
+++ b/arch/parisc/kernel/real2.S
@@ -12,6 +12,7 @@
 #include <asm/assembly.h>
 #include <linux/linkage.h>
+#include <linux/init.h>
        .section        .bss
        .export real_stack
@@ -39,7 +40,7 @@ save_cr_end:
 /************************ 32-bit real-mode calls ***********************/
 /* This can be called in both narrow and wide kernels */
-        .text
+        __HEAD
        /* unsigned long real32_call_asm(unsigned int *sp,
         *              unsigned int *arg0p,
@@ -113,7 +114,7 @@ ENDPROC(real32_call_asm)
 #  define PUSH_CR(r, where) mfctl r, %r1 ! STREG,ma %r1, REG_SZ(where)
 #  define POP_CR(r, where) LDREG,mb -REG_SZ(where), %r1 ! mtctl %r1, r
-        .text
+        __HEAD
 save_control_regs:
        load32  PA(save_cr_space), %r28
        PUSH_CR(%cr24, %r28)
@@ -145,7 +146,7 @@ restore_control_regs:
 /* rfi_virt2real() and rfi_real2virt() could perhaps be adapted for
 * more general-purpose use by the several places which need RFIs
 */
-        .text
+        __HEAD
        .align 128
 rfi_virt2real:
        /* switch to real mode... */
@@ -180,7 +181,7 @@ rfi_v2r_1:
        bv      0(%r2)
        nop
-        .text
+        __HEAD
        .align 128
 rfi_real2virt:
        rsm             PSW_SM_I,%r0
@@ -218,7 +219,7 @@ rfi_r2v_1:
 /************************ 64-bit real-mode calls ***********************/
 /* This is only usable in wide kernels right now and will probably stay so */
-        .text
+        __HEAD
        /* unsigned long real64_call_asm(unsigned long *sp,
         *              unsigned long *arg0p,
         *              unsigned long fn)
@@ -276,7 +277,7 @@ ENDPROC(real64_call_asm)
 #endif
-        .text
+        __HEAD
        /* http://lists.parisc-linux.org/hypermail/parisc-linux/10916.html
        **      GCC 3.3 and later has a new function in libgcc.a for
        **      comparing function pointers.
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index 69b6eebc466e..ae509d8cd03f 100644
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -17,6 +17,7 @@
 #include <asm/processor.h>
 #include <linux/linkage.h>
+#include <linux/init.h>
        /* We fill the empty parts of the gateway page with
         * something that will kill the kernel or a
@@ -26,7 +27,7 @@
        .level          LEVEL
-        .text
+        __HEAD
        .import syscall_exit,code
        .import syscall_exit_rfi,code
@@ -636,7 +637,7 @@ END(sys_call_table64)
                All light-weight-syscall atomic operations 
                will use this set of locks 
        */
-        .section .data
+        .section .data, "aw"
        .align  PAGE_SIZE
 ENTRY(lws_lock_start)
        /* lws locks */
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 9dc6dc42f9cf..675f1d098f05 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -275,7 +275,7 @@ KERN_CRIT "                     ||     ||\n");
        /* Wot's wrong wif bein' racy? */
        if (current->thread.flags & PARISC_KERNEL_DEATH) {
-                printk(KERN_CRIT "%s() recursion detected.\n", __FUNCTION__);
+                printk(KERN_CRIT "%s() recursion detected.\n", __func__);
                local_irq_enable();
                while (1);
        }
diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c
index aebf3c168871..e6f4b7a4b7e3 100644
--- a/arch/parisc/kernel/unaligned.c
+++ b/arch/parisc/kernel/unaligned.c
@@ -30,7 +30,7 @@
 /* #define DEBUG_UNALIGNED 1 */
 #ifdef DEBUG_UNALIGNED
-#define DPRINTF(fmt, args...) do { printk(KERN_DEBUG "%s:%d:%s ", __FILE__, __LINE__, __FUNCTION__ ); printk(KERN_DEBUG fmt, ##args ); } while (0)
+#define DPRINTF(fmt, args...) do { printk(KERN_DEBUG "%s:%d:%s ", __FILE__, __LINE__, __func__ ); printk(KERN_DEBUG fmt, ##args ); } while (0)
 #else
 #define DPRINTF(fmt, args...)
 #endif
@@ -460,7 +460,8 @@ void handle_unaligned(struct pt_regs *regs)
                        goto force_sigbus;
                }
-                if (unaligned_count > 5 && jiffies - last_time > 5*HZ) {
+                if (unaligned_count > 5 &&
+                                time_after(jiffies, last_time + 5 * HZ)) {
                        unaligned_count = 0;
                        last_time = jiffies;
                }
diff --git a/arch/parisc/lib/fixup.S b/arch/parisc/lib/fixup.S
index d172d4245cdc..4821ad6d5269 100644
--- a/arch/parisc/lib/fixup.S
+++ b/arch/parisc/lib/fixup.S
@@ -23,6 +23,7 @@
 #include <asm/assembly.h>
 #include <asm/errno.h>
 #include <linux/linkage.h>
+#include <linux/init.h>
 #ifdef CONFIG_SMP
        .macro  get_fault_ip t1 t2
@@ -55,7 +56,7 @@
        .level LEVEL
-        .text
+        __HEAD
        .section .fixup, "ax"
        /* get_user() fixups, store -EFAULT in r8, and 0 in r9 */
diff --git a/arch/parisc/lib/lusercopy.S b/arch/parisc/lib/lusercopy.S
index 1bd23ccec17b..b0d885350846 100644
--- a/arch/parisc/lib/lusercopy.S
+++ b/arch/parisc/lib/lusercopy.S
@@ -33,11 +33,12 @@
 */
-        .text
-        
 #include <asm/assembly.h>
 #include <asm/errno.h>
 #include <linux/linkage.h>
+#include <linux/init.h>
+        __HEAD
        /*
         * get_sr gets the appropriate space value into
diff --git a/arch/parisc/lib/memcpy.c b/arch/parisc/lib/memcpy.c
index d22042d33100..2d68431fc22e 100644
--- a/arch/parisc/lib/memcpy.c
+++ b/arch/parisc/lib/memcpy.c
@@ -91,7 +91,7 @@ DECLARE_PER_CPU(struct exception_data, exception_data);
 #define THRESHOLD       16
 #ifdef DEBUG_MEMCPY
-#define DPRINTF(fmt, args...) do { printk(KERN_DEBUG "%s:%d:%s ", __FILE__, __LINE__, __FUNCTION__ ); printk(KERN_DEBUG fmt, ##args ); } while (0)
+#define DPRINTF(fmt, args...) do { printk(KERN_DEBUG "%s:%d:%s ", __FILE__, __LINE__, __func__ ); printk(KERN_DEBUG fmt, ##args ); } while (0)
 #else
 #define DPRINTF(fmt, args...)
 #endif
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index 1f012843150f..78fe252b92c3 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -555,8 +555,6 @@ void show_mem(void)
        printk(KERN_INFO "Mem-info:\n");
        show_free_areas();
-        printk(KERN_INFO "Free swap:     %6ldkB\n",
-                                nr_swap_pages<<(PAGE_SHIFT-10));
 #ifndef CONFIG_DISCONTIGMEM
        i = max_mapnr;
        while (i-- > 0) {
@@ -606,7 +604,7 @@ void show_mem(void)
                int i, j;
                for (i = 0; i < npmem_ranges; i++) {
-                        zl = node_zonelist(i);
+                        zl = node_zonelist(i, 0);
                        for (j = 0; j < MAX_NR_ZONES; j++) {
                                struct zoneref *z;
                                struct zone *zone;
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 05f955f8df35..bf5b6d7ed30f 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -94,6 +94,9 @@ unsigned long htab_hash_mask;
 int mmu_linear_psize = MMU_PAGE_4K;
 int mmu_virtual_psize = MMU_PAGE_4K;
 int mmu_vmalloc_psize = MMU_PAGE_4K;
+#ifdef CONFIG_SPARSEMEM_VMEMMAP
+int mmu_vmemmap_psize = MMU_PAGE_4K;
+#endif
 int mmu_io_psize = MMU_PAGE_4K;
 int mmu_kernel_ssize = MMU_SEGSIZE_256M;
 int mmu_highuser_ssize = MMU_SEGSIZE_256M;
@@ -387,11 +390,32 @@ static void __init htab_init_page_sizes(void)
        }
 #endif /* CONFIG_PPC_64K_PAGES */
+#ifdef CONFIG_SPARSEMEM_VMEMMAP
+        /* We try to use 16M pages for vmemmap if that is supported
+         * and we have at least 1G of RAM at boot
+         */
+        if (mmu_psize_defs[MMU_PAGE_16M].shift &&
+            lmb_phys_mem_size() >= 0x40000000)
+                mmu_vmemmap_psize = MMU_PAGE_16M;
+        else if (mmu_psize_defs[MMU_PAGE_64K].shift)
+                mmu_vmemmap_psize = MMU_PAGE_64K;
+        else
+                mmu_vmemmap_psize = MMU_PAGE_4K;
+#endif /* CONFIG_SPARSEMEM_VMEMMAP */
        printk(KERN_DEBUG "Page orders: linear mapping = %d, "
-               "virtual = %d, io = %d\n",
+               "virtual = %d, io = %d"
+#ifdef CONFIG_SPARSEMEM_VMEMMAP
+               ", vmemmap = %d"
+#endif
+               "\n",
               mmu_psize_defs[mmu_linear_psize].shift,
               mmu_psize_defs[mmu_virtual_psize].shift,
-               mmu_psize_defs[mmu_io_psize].shift);
+               mmu_psize_defs[mmu_io_psize].shift
+#ifdef CONFIG_SPARSEMEM_VMEMMAP
+               ,mmu_psize_defs[mmu_vmemmap_psize].shift
+#endif
+               );
 #ifdef CONFIG_HUGETLB_PAGE
        /* Init large page size. Currently, we pick 16M or 1M depending
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index 1e52e97d7409..6ef63caca682 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -19,6 +19,8 @@
 *
 */
+#undef DEBUG
 #include <linux/signal.h>
 #include <linux/sched.h>
 #include <linux/kernel.h>
@@ -208,12 +210,12 @@ static int __meminit vmemmap_populated(unsigned long start, int page_size)
 }
 int __meminit vmemmap_populate(struct page *start_page,
-                                        unsigned long nr_pages, int node)
+                               unsigned long nr_pages, int node)
 {
        unsigned long mode_rw;
        unsigned long start = (unsigned long)start_page;
        unsigned long end = (unsigned long)(start_page + nr_pages);
-        unsigned long page_size = 1 << mmu_psize_defs[mmu_linear_psize].shift;
+        unsigned long page_size = 1 << mmu_psize_defs[mmu_vmemmap_psize].shift;
        mode_rw = _PAGE_ACCESSED | _PAGE_DIRTY | _PAGE_COHERENT | PP_RWXX;
@@ -235,11 +237,11 @@ int __meminit vmemmap_populate(struct page *start_page,
                        start, p, __pa(p));
                mapped = htab_bolt_mapping(start, start + page_size,
-                                        __pa(p), mode_rw, mmu_linear_psize,
+                                        __pa(p), mode_rw, mmu_vmemmap_psize,
                                        mmu_kernel_ssize);
                BUG_ON(mapped < 0);
        }
        return 0;
 }
-#endif
+#endif /* CONFIG_SPARSEMEM_VMEMMAP */
diff --git a/arch/powerpc/mm/slb.c b/arch/powerpc/mm/slb.c
index cf8705e32d60..89497fb04280 100644
--- a/arch/powerpc/mm/slb.c
+++ b/arch/powerpc/mm/slb.c
@@ -28,7 +28,7 @@
 #include <asm/udbg.h>
 #ifdef DEBUG
-#define DBG(fmt...) udbg_printf(fmt)
+#define DBG(fmt...) printk(fmt)
 #else
 #define DBG pr_debug
 #endif
@@ -263,13 +263,19 @@ void slb_initialize(void)
        extern unsigned int *slb_miss_kernel_load_linear;
        extern unsigned int *slb_miss_kernel_load_io;
        extern unsigned int *slb_compare_rr_to_size;
+#ifdef CONFIG_SPARSEMEM_VMEMMAP
+        extern unsigned int *slb_miss_kernel_load_vmemmap;
+        unsigned long vmemmap_llp;
+#endif
        /* Prepare our SLB miss handler based on our page size */
        linear_llp = mmu_psize_defs[mmu_linear_psize].sllp;
        io_llp = mmu_psize_defs[mmu_io_psize].sllp;
        vmalloc_llp = mmu_psize_defs[mmu_vmalloc_psize].sllp;
        get_paca()->vmalloc_sllp = SLB_VSID_KERNEL | vmalloc_llp;
+#ifdef CONFIG_SPARSEMEM_VMEMMAP
+        vmemmap_llp = mmu_psize_defs[mmu_vmemmap_psize].sllp;
+#endif
        if (!slb_encoding_inited) {
                slb_encoding_inited = 1;
                patch_slb_encoding(slb_miss_kernel_load_linear,
@@ -281,6 +287,12 @@ void slb_initialize(void)
                DBG("SLB: linear  LLP = %04lx\n", linear_llp);
                DBG("SLB: io      LLP = %04lx\n", io_llp);
+#ifdef CONFIG_SPARSEMEM_VMEMMAP
+                patch_slb_encoding(slb_miss_kernel_load_vmemmap,
+                                   SLB_VSID_KERNEL | vmemmap_llp);
+                DBG("SLB: vmemmap LLP = %04lx\n", vmemmap_llp);
+#endif
        }
        get_paca()->stab_rr = SLB_NUM_BOLTED;
diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S
index 657f6b37e9df..bc44dc4b5c67 100644
--- a/arch/powerpc/mm/slb_low.S
+++ b/arch/powerpc/mm/slb_low.S
@@ -47,8 +47,7 @@ _GLOBAL(slb_allocate_realmode)
         * it to VSID 0, which is reserved as a bad VSID - one which
         * will never have any pages in it.  */
-        /* Check if hitting the linear mapping of the vmalloc/ioremap
+        /* Check if hitting the linear mapping or some other kernel space
-         * kernel space
        */
        bne     cr7,1f
@@ -62,7 +61,18 @@ BEGIN_FTR_SECTION
 END_FTR_SECTION_IFCLR(CPU_FTR_1T_SEGMENT)
        b       slb_finish_load_1T
-1:      /* vmalloc/ioremap mapping encoding bits, the "li" instructions below
+1:
+#ifdef CONFIG_SPARSEMEM_VMEMMAP
+        /* Check virtual memmap region. To be patches at kernel boot */
+        cmpldi  cr0,r9,0xf
+        bne     1f
+_GLOBAL(slb_miss_kernel_load_vmemmap)
+        li      r11,0
+        b       6f
+1:
+#endif /* CONFIG_SPARSEMEM_VMEMMAP */
+        /* vmalloc/ioremap mapping encoding bits, the "li" instructions below
         * will be patched by the kernel at boot
         */
 BEGIN_FTR_SECTION
diff --git a/arch/powerpc/platforms/cell/io-workarounds.c b/arch/powerpc/platforms/cell/io-workarounds.c
index 3b84e8be314c..b5f84e8f0899 100644
--- a/arch/powerpc/platforms/cell/io-workarounds.c
+++ b/arch/powerpc/platforms/cell/io-workarounds.c
@@ -118,7 +118,7 @@ static void iowa_##name at					\
 #undef DEF_PCI_AC_RET
 #undef DEF_PCI_AC_NORET
-static struct ppc_pci_io __initdata iowa_pci_io = {
+static const struct ppc_pci_io __devinitconst iowa_pci_io = {
 #define DEF_PCI_AC_RET(name, ret, at, al, space, aa)    .name = iowa_##name,
 #define DEF_PCI_AC_NORET(name, at, al, space, aa)       .name = iowa_##name,
@@ -146,7 +146,7 @@ static void __iomem *iowa_ioremap(unsigned long addr, unsigned long size,
 }
 /* Regist new bus to support workaround */
-void __init iowa_register_bus(struct pci_controller *phb,
+void __devinit iowa_register_bus(struct pci_controller *phb,
                        struct ppc_pci_io *ops,
                        int (*initfunc)(struct iowa_bus *, void *), void *data)
 {
@@ -173,7 +173,7 @@ void __init iowa_register_bus(struct pci_controller *phb,
 }
 /* enable IO workaround */
-void __init io_workaround_init(void)
+void __devinit io_workaround_init(void)
 {
        static int io_workaround_inited;
diff --git a/arch/powerpc/platforms/cell/io-workarounds.h b/arch/powerpc/platforms/cell/io-workarounds.h
index 79d8ed3d510f..6efc7782ebf2 100644
--- a/arch/powerpc/platforms/cell/io-workarounds.h
+++ b/arch/powerpc/platforms/cell/io-workarounds.h
@@ -31,9 +31,9 @@ struct iowa_bus {
        void   *private;
 };
-void __init io_workaround_init(void);
+void __devinit io_workaround_init(void);
-void __init iowa_register_bus(struct pci_controller *, struct ppc_pci_io *,
+void __devinit iowa_register_bus(struct pci_controller *, struct ppc_pci_io *,
-                              int (*)(struct iowa_bus *, void *), void *);
+                                 int (*)(struct iowa_bus *, void *), void *);
 struct iowa_bus *iowa_mem_find_bus(const PCI_IO_ADDR);
 struct iowa_bus *iowa_pio_find_bus(unsigned long);
diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index 80911a373400..c81341ff75b5 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -32,6 +32,7 @@
 #include <linux/marker.h>
 #include <asm/io.h>
+#include <asm/time.h>
 #include <asm/spu.h>
 #include <asm/spu_info.h>
 #include <asm/uaccess.h>
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 2e411f23462b..745dd51ec37f 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -659,7 +659,7 @@ static struct spu *find_victim(struct spu_context *ctx)
                        victim->stats.invol_ctx_switch++;
                        spu->stats.invol_ctx_switch++;
-                        if (test_bit(SPU_SCHED_SPU_RUN, &ctx->sched_flags))
+                        if (test_bit(SPU_SCHED_SPU_RUN, &victim->sched_flags))
                                spu_add_to_rq(victim);
                        mutex_unlock(&victim->state_mutex);
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index dff0568e67ec..c93d1296cc0a 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -71,7 +71,7 @@ static ssize_t debug_input(struct file *file, const char __user *user_buf,
                        size_t user_len, loff_t * offset);
 static int debug_open(struct inode *inode, struct file *file);
 static int debug_close(struct inode *inode, struct file *file);
-static debug_info_t*  debug_info_create(char *name, int pages_per_area,
+static debug_info_t *debug_info_create(const char *name, int pages_per_area,
                        int nr_areas, int buf_size, mode_t mode);
 static void debug_info_get(debug_info_t *);
 static void debug_info_put(debug_info_t *);
@@ -234,8 +234,8 @@ fail_malloc_areas:
 */
 static debug_info_t*
-debug_info_alloc(char *name, int pages_per_area, int nr_areas, int buf_size,
+debug_info_alloc(const char *name, int pages_per_area, int nr_areas,
-                int level, int mode)
+                 int buf_size, int level, int mode)
 {
        debug_info_t* rc;
@@ -326,8 +326,8 @@ debug_info_free(debug_info_t* db_info){
 */
 static debug_info_t*
-debug_info_create(char *name, int pages_per_area, int nr_areas, int buf_size,
+debug_info_create(const char *name, int pages_per_area, int nr_areas,
-                  mode_t mode)
+                  int buf_size, mode_t mode)
 {
        debug_info_t* rc;
@@ -684,9 +684,9 @@ debug_close(struct inode *inode, struct file *file)
 * - Returns handle for debug area
 */
-debug_info_t *debug_register_mode(char *name, int pages_per_area, int nr_areas,
+debug_info_t *debug_register_mode(const char *name, int pages_per_area,
-                                  int buf_size, mode_t mode, uid_t uid,
+                                  int nr_areas, int buf_size, mode_t mode,
-                                  gid_t gid)
+                                  uid_t uid, gid_t gid)
 {
        debug_info_t *rc = NULL;
@@ -722,8 +722,8 @@ EXPORT_SYMBOL(debug_register_mode);
 * - returns handle for debug area
 */
-debug_info_t *debug_register(char *name, int pages_per_area, int nr_areas,
+debug_info_t *debug_register(const char *name, int pages_per_area,
-                             int buf_size)
+                             int nr_areas, int buf_size)
 {
        return debug_register_mode(name, pages_per_area, nr_areas, buf_size,
                                   S_IRUSR | S_IWUSR, 0, 0);
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index c59a86dca584..e7c5bfb7c755 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -25,6 +25,7 @@ int show_interrupts(struct seq_file *p, void *v)
        static const char *intrclass_names[] = { "EXT", "I/O", };
        int i = *(loff_t *) v, j;
+        get_online_cpus();
        if (i == 0) {
                seq_puts(p, "           ");
                for_each_online_cpu(j)
@@ -43,7 +44,7 @@ int show_interrupts(struct seq_file *p, void *v)
                seq_putc(p, '\n');
        }
+        put_online_cpus();
        return 0;
 }
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 0aeb290060d9..1f4228948dc4 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -139,7 +139,6 @@ static void __smp_call_function_map(void (*func) (void *info), void *info,
        if (wait)
                data.finished = CPU_MASK_NONE;
-        spin_lock(&call_lock);
        call_data = &data;
        for_each_cpu_mask(cpu, map)
@@ -151,7 +150,6 @@ static void __smp_call_function_map(void (*func) (void *info), void *info,
        if (wait)
                while (!cpus_equal(map, data.finished))
                        cpu_relax();
-        spin_unlock(&call_lock);
 out:
        if (local) {
                local_irq_disable();
@@ -177,11 +175,11 @@ int smp_call_function(void (*func) (void *info), void *info, int nonatomic,
 {
        cpumask_t map;
-        preempt_disable();
+        spin_lock(&call_lock);
        map = cpu_online_map;
        cpu_clear(smp_processor_id(), map);
        __smp_call_function_map(func, info, nonatomic, wait, map);
-        preempt_enable();
+        spin_unlock(&call_lock);
        return 0;
 }
 EXPORT_SYMBOL(smp_call_function);
@@ -202,10 +200,10 @@ EXPORT_SYMBOL(smp_call_function);
 int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
                             int nonatomic, int wait)
 {
-        preempt_disable();
+        spin_lock(&call_lock);
        __smp_call_function_map(func, info, nonatomic, wait,
                                cpumask_of_cpu(cpu));
-        preempt_enable();
+        spin_unlock(&call_lock);
        return 0;
 }
 EXPORT_SYMBOL(smp_call_function_single);
@@ -228,10 +226,10 @@ EXPORT_SYMBOL(smp_call_function_single);
 int smp_call_function_mask(cpumask_t mask, void (*func)(void *), void *info,
                           int wait)
 {
-        preempt_disable();
+        spin_lock(&call_lock);
        cpu_clear(smp_processor_id(), mask);
        __smp_call_function_map(func, info, 0, wait, mask);
-        preempt_enable();
+        spin_unlock(&call_lock);
        return 0;
 }
 EXPORT_SYMBOL(smp_call_function_mask);
@@ -592,7 +590,9 @@ int __cpuinit start_secondary(void *cpuvoid)
        pfault_init();
        /* Mark this cpu as online */
+        spin_lock(&call_lock);
        cpu_set(smp_processor_id(), cpu_online_map);
+        spin_unlock(&call_lock);
        /* Switch on interrupts */
        local_irq_enable();
        /* Print info about this processor */
diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c
index beccacf907f3..ea2804808f39 100644
--- a/arch/s390/mm/vmem.c
+++ b/arch/s390/mm/vmem.c
@@ -27,19 +27,12 @@ struct memory_segment {
 static LIST_HEAD(mem_segs);
-static void __ref *vmem_alloc_pages(unsigned int order)
+static pud_t *vmem_pud_alloc(void)
-{
-        if (slab_is_available())
-                return (void *)__get_free_pages(GFP_KERNEL, order);
-        return alloc_bootmem_pages((1 << order) * PAGE_SIZE);
-}
-static inline pud_t *vmem_pud_alloc(void)
 {
        pud_t *pud = NULL;
 #ifdef CONFIG_64BIT
-        pud = vmem_alloc_pages(2);
+        pud = vmemmap_alloc_block(PAGE_SIZE * 4, 0);
        if (!pud)
                return NULL;
        clear_table((unsigned long *) pud, _REGION3_ENTRY_EMPTY, PAGE_SIZE * 4);
@@ -47,12 +40,12 @@ static inline pud_t *vmem_pud_alloc(void)
        return pud;
 }
-static inline pmd_t *vmem_pmd_alloc(void)
+static pmd_t *vmem_pmd_alloc(void)
 {
        pmd_t *pmd = NULL;
 #ifdef CONFIG_64BIT
-        pmd = vmem_alloc_pages(2);
+        pmd = vmemmap_alloc_block(PAGE_SIZE * 4, 0);
        if (!pmd)
                return NULL;
        clear_table((unsigned long *) pmd, _SEGMENT_ENTRY_EMPTY, PAGE_SIZE * 4);
@@ -60,7 +53,7 @@ static inline pmd_t *vmem_pmd_alloc(void)
        return pmd;
 }
-static pte_t __init_refok *vmem_pte_alloc(void)
+static pte_t __ref *vmem_pte_alloc(void)
 {
        pte_t *pte;
@@ -214,7 +207,7 @@ int __meminit vmemmap_populate(struct page *start, unsigned long nr, int node)
                if (pte_none(*pt_dir)) {
                        unsigned long new_page;
-                        new_page =__pa(vmem_alloc_pages(0));
+                        new_page =__pa(vmemmap_alloc_block(PAGE_SIZE, 0));
                        if (!new_page)
                                goto out;
                        pte = pfn_pte(new_page >> PAGE_SHIFT, PAGE_KERNEL);
diff --git a/arch/sh/kernel/kgdb_stub.c b/arch/sh/kernel/kgdb_stub.c
index d453c3a1c79f..832641bbd47d 100644
--- a/arch/sh/kernel/kgdb_stub.c
+++ b/arch/sh/kernel/kgdb_stub.c
@@ -330,14 +330,6 @@ static char *ebin_to_mem(const char *buf, char *mem, int count)
        return mem;
 }
-/* Pack a hex byte */
-static char *pack_hex_byte(char *pkt, int byte)
-{
-        *pkt++ = hexchars[(byte >> 4) & 0xf];
-        *pkt++ = hexchars[(byte & 0xf)];
-        return pkt;
-}
 /* Scan for the start char '$', read the packet and check the checksum */
 static void get_packet(char *buffer, int buflen)
 {
diff --git a/arch/sparc/kernel/sys_sparc.c b/arch/sparc/kernel/sys_sparc.c
index e995491c4436..3c6b49a53ae8 100644
--- a/arch/sparc/kernel/sys_sparc.c
+++ b/arch/sparc/kernel/sys_sparc.c
@@ -219,7 +219,7 @@ out:
        return err;
 }
-int sparc_mmap_check(unsigned long addr, unsigned long len, unsigned long flags)
+int sparc_mmap_check(unsigned long addr, unsigned long len)
 {
        if (ARCH_SUN4C_SUN4 &&
            (len > 0x20000000 ||
@@ -295,52 +295,14 @@ asmlinkage unsigned long sparc_mremap(unsigned long addr,
        unsigned long old_len, unsigned long new_len,
        unsigned long flags, unsigned long new_addr)
 {
-        struct vm_area_struct *vma;
        unsigned long ret = -EINVAL;
-        if (ARCH_SUN4C_SUN4) {
-                if (old_len > 0x20000000 || new_len > 0x20000000)
+        if (unlikely(sparc_mmap_check(addr, old_len)))
-                        goto out;
+                goto out;
-                if (addr < 0xe0000000 && addr + old_len > 0x20000000)
+        if (unlikely(sparc_mmap_check(new_addr, new_len)))
-                        goto out;
-        }
-        if (old_len > TASK_SIZE - PAGE_SIZE ||
-            new_len > TASK_SIZE - PAGE_SIZE)
                goto out;
        down_write(&current->mm->mmap_sem);
-        if (flags & MREMAP_FIXED) {
-                if (ARCH_SUN4C_SUN4 &&
-                    new_addr < 0xe0000000 &&
-                    new_addr + new_len > 0x20000000)
-                        goto out_sem;
-                if (new_addr + new_len > TASK_SIZE - PAGE_SIZE)
-                        goto out_sem;
-        } else if ((ARCH_SUN4C_SUN4 && addr < 0xe0000000 &&
-                    addr + new_len > 0x20000000) ||
-                   addr + new_len > TASK_SIZE - PAGE_SIZE) {
-                unsigned long map_flags = 0;
-                struct file *file = NULL;
-                ret = -ENOMEM;
-                if (!(flags & MREMAP_MAYMOVE))
-                        goto out_sem;
-                vma = find_vma(current->mm, addr);
-                if (vma) {
-                        if (vma->vm_flags & VM_SHARED)
-                                map_flags |= MAP_SHARED;
-                        file = vma->vm_file;
-                }
-                new_addr = get_unmapped_area(file, addr, new_len,
-                                     vma ? vma->vm_pgoff : 0,
-                                     map_flags);
-                ret = new_addr;
-                if (new_addr & ~PAGE_MASK)
-                        goto out_sem;
-                flags |= MREMAP_FIXED;
-        }
        ret = do_mremap(addr, old_len, new_len, flags, new_addr);
-out_sem:
        up_write(&current->mm->mmap_sem);
 out:
        return ret;       
diff --git a/arch/sparc64/kernel/rtrap.S b/arch/sparc64/kernel/rtrap.S
index b9b785fd8b46..16689b2930db 100644
--- a/arch/sparc64/kernel/rtrap.S
+++ b/arch/sparc64/kernel/rtrap.S
@@ -46,7 +46,7 @@ __handle_user_windows:
                wrpr                    %g0, RTRAP_PSTATE_IRQOFF, %pstate
                ldx                     [%g6 + TI_FLAGS], %l0
-1:              andcc                   %l0, (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), %g0
+1:              andcc                   %l0, _TIF_SIGPENDING, %g0
                be,pt                   %xcc, __handle_user_windows_continue
                 nop
                mov                     %l5, %o1
@@ -86,7 +86,7 @@ __handle_perfctrs:
                 wrpr                   %g0, RTRAP_PSTATE, %pstate
                wrpr                    %g0, RTRAP_PSTATE_IRQOFF, %pstate
                ldx                     [%g6 + TI_FLAGS], %l0
-1:              andcc                   %l0, (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), %g0
+1:              andcc                   %l0, _TIF_SIGPENDING, %g0
                be,pt                   %xcc, __handle_perfctrs_continue
                 sethi                  %hi(TSTATE_PEF), %o0
@@ -195,7 +195,7 @@ __handle_preemption_continue:
                 andcc                  %l1, %o0, %g0
                andcc                   %l0, _TIF_NEED_RESCHED, %g0
                bne,pn                  %xcc, __handle_preemption
-                 andcc                  %l0, (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), %g0
+                 andcc                  %l0, _TIF_SIGPENDING, %g0
                bne,pn                  %xcc, __handle_signal
 __handle_signal_continue:
                 ldub                   [%g6 + TI_WSAVED], %o2
diff --git a/arch/sparc64/kernel/signal.c b/arch/sparc64/kernel/signal.c
index 2378482c2aab..6e4dc67d16af 100644
--- a/arch/sparc64/kernel/signal.c
+++ b/arch/sparc64/kernel/signal.c
@@ -247,7 +247,9 @@ static long _sigpause_common(old_sigset_t set)
        current->state = TASK_INTERRUPTIBLE;
        schedule();
-        set_thread_flag(TIF_RESTORE_SIGMASK);
+        set_restore_sigmask();
        return -ERESTARTNOHAND;
 }
@@ -537,7 +539,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
        } else
                restart_syscall = 0;
-        if (test_thread_flag(TIF_RESTORE_SIGMASK))
+        if (current_thread_info()->status & TS_RESTORE_SIGMASK)
                oldset = &current->saved_sigmask;
        else
                oldset = &current->blocked;
@@ -566,13 +568,12 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
                        syscall_restart(orig_i0, regs, &ka.sa);
                handle_signal(signr, &ka, &info, oldset, regs);
-                /* a signal was successfully delivered; the saved
+                /* A signal was successfully delivered; the saved
                 * sigmask will have been stored in the signal frame,
                 * and will be restored by sigreturn, so we can simply
-                 * clear the TIF_RESTORE_SIGMASK flag.
+                 * clear the TS_RESTORE_SIGMASK flag.
                 */
-                if (test_thread_flag(TIF_RESTORE_SIGMASK))
+                current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
-                        clear_thread_flag(TIF_RESTORE_SIGMASK);
                return;
        }
        if (restart_syscall &&
@@ -591,17 +592,17 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
                regs->tnpc -= 4;
        }
-        /* if there's no signal to deliver, we just put the saved sigmask
+        /* If there's no signal to deliver, we just put the saved sigmask
         * back
         */
-        if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
+        if (current_thread_info()->status & TS_RESTORE_SIGMASK) {
-                clear_thread_flag(TIF_RESTORE_SIGMASK);
+                current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
                sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
        }
 }
 void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, unsigned long thread_info_flags)
 {
-        if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
+        if (thread_info_flags & _TIF_SIGPENDING)
                do_signal(regs, orig_i0);
 }
diff --git a/arch/sparc64/kernel/signal32.c b/arch/sparc64/kernel/signal32.c
index 3f19e9af3d1b..97cdd1bf4a10 100644
--- a/arch/sparc64/kernel/signal32.c
+++ b/arch/sparc64/kernel/signal32.c
@@ -788,13 +788,12 @@ void do_signal32(sigset_t *oldset, struct pt_regs * regs,
                        syscall_restart32(orig_i0, regs, &ka.sa);
                handle_signal32(signr, &ka, &info, oldset, regs);
-                /* a signal was successfully delivered; the saved
+                /* A signal was successfully delivered; the saved
                 * sigmask will have been stored in the signal frame,
                 * and will be restored by sigreturn, so we can simply
-                 * clear the TIF_RESTORE_SIGMASK flag.
+                 * clear the TS_RESTORE_SIGMASK flag.
                 */
-                if (test_thread_flag(TIF_RESTORE_SIGMASK))
+                current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
-                        clear_thread_flag(TIF_RESTORE_SIGMASK);
                return;
        }
        if (restart_syscall &&
@@ -813,11 +812,11 @@ void do_signal32(sigset_t *oldset, struct pt_regs * regs,
                regs->tnpc -= 4;
        }
-        /* if there's no signal to deliver, we just put the saved sigmask
+        /* If there's no signal to deliver, we just put the saved sigmask
         * back
         */
-        if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
+        if (current_thread_info()->status & TS_RESTORE_SIGMASK) {
-                clear_thread_flag(TIF_RESTORE_SIGMASK);
+                current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
                sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
        }
 }
diff --git a/arch/sparc64/kernel/sys_sparc.c b/arch/sparc64/kernel/sys_sparc.c
index 0dbc941f130e..ac1bff58c1ac 100644
--- a/arch/sparc64/kernel/sys_sparc.c
+++ b/arch/sparc64/kernel/sys_sparc.c
@@ -542,8 +542,7 @@ asmlinkage long sparc64_personality(unsigned long personality)
        return ret;
 }
-int sparc64_mmap_check(unsigned long addr, unsigned long len,
+int sparc64_mmap_check(unsigned long addr, unsigned long len)
-                unsigned long flags)
 {
        if (test_thread_flag(TIF_32BIT)) {
                if (len >= STACK_TOP32)
@@ -609,46 +608,19 @@ asmlinkage unsigned long sys64_mremap(unsigned long addr,
        unsigned long old_len, unsigned long new_len,
        unsigned long flags, unsigned long new_addr)
 {
-        struct vm_area_struct *vma;
        unsigned long ret = -EINVAL;
        if (test_thread_flag(TIF_32BIT))
                goto out;
        if (unlikely(new_len >= VA_EXCLUDE_START))
                goto out;
-        if (unlikely(invalid_64bit_range(addr, old_len)))
+        if (unlikely(sparc64_mmap_check(addr, old_len)))
+                goto out;
+        if (unlikely(sparc64_mmap_check(new_addr, new_len)))
                goto out;
        down_write(&current->mm->mmap_sem);
-        if (flags & MREMAP_FIXED) {
-                if (invalid_64bit_range(new_addr, new_len))
-                        goto out_sem;
-        } else if (invalid_64bit_range(addr, new_len)) {
-                unsigned long map_flags = 0;
-                struct file *file = NULL;
-                ret = -ENOMEM;
-                if (!(flags & MREMAP_MAYMOVE))
-                        goto out_sem;
-                vma = find_vma(current->mm, addr);
-                if (vma) {
-                        if (vma->vm_flags & VM_SHARED)
-                                map_flags |= MAP_SHARED;
-                        file = vma->vm_file;
-                }
-                /* MREMAP_FIXED checked above. */
-                new_addr = get_unmapped_area(file, addr, new_len,
-                                    vma ? vma->vm_pgoff : 0,
-                                    map_flags);
-                ret = new_addr;
-                if (new_addr & ~PAGE_MASK)
-                        goto out_sem;
-                flags |= MREMAP_FIXED;
-        }
        ret = do_mremap(addr, old_len, new_len, flags, new_addr);
-out_sem:
        up_write(&current->mm->mmap_sem);
 out:
        return ret;       
diff --git a/arch/sparc64/kernel/sys_sparc32.c b/arch/sparc64/kernel/sys_sparc32.c
index 1aa4288125f2..ba5bd626b39e 100644
--- a/arch/sparc64/kernel/sys_sparc32.c
+++ b/arch/sparc64/kernel/sys_sparc32.c
@@ -867,44 +867,15 @@ asmlinkage unsigned long sys32_mremap(unsigned long addr,
        unsigned long old_len, unsigned long new_len,
        unsigned long flags, u32 __new_addr)
 {
-        struct vm_area_struct *vma;
        unsigned long ret = -EINVAL;
        unsigned long new_addr = __new_addr;
-        if (old_len > STACK_TOP32 || new_len > STACK_TOP32)
+        if (unlikely(sparc64_mmap_check(addr, old_len)))
                goto out;
-        if (addr > STACK_TOP32 - old_len)
+        if (unlikely(sparc64_mmap_check(new_addr, new_len)))
                goto out;
        down_write(&current->mm->mmap_sem);
-        if (flags & MREMAP_FIXED) {
-                if (new_addr > STACK_TOP32 - new_len)
-                        goto out_sem;
-        } else if (addr > STACK_TOP32 - new_len) {
-                unsigned long map_flags = 0;
-                struct file *file = NULL;
-                ret = -ENOMEM;
-                if (!(flags & MREMAP_MAYMOVE))
-                        goto out_sem;
-                vma = find_vma(current->mm, addr);
-                if (vma) {
-                        if (vma->vm_flags & VM_SHARED)
-                                map_flags |= MAP_SHARED;
-                        file = vma->vm_file;
-                }
-                /* MREMAP_FIXED checked above. */
-                new_addr = get_unmapped_area(file, addr, new_len,
-                                    vma ? vma->vm_pgoff : 0,
-                                    map_flags);
-                ret = new_addr;
-                if (new_addr & ~PAGE_MASK)
-                        goto out_sem;
-                flags |= MREMAP_FIXED;
-        }
        ret = do_mremap(addr, old_len, new_len, flags, new_addr);
-out_sem:
        up_write(&current->mm->mmap_sem);
 out:
        return ret;       
diff --git a/arch/um/Kconfig.char b/arch/um/Kconfig.char
index 3a4b396d7979..1b238ebae6b3 100644
--- a/arch/um/Kconfig.char
+++ b/arch/um/Kconfig.char
@@ -145,14 +145,14 @@ config LEGACY_PTYS
          systems, it is safe to say N.
 config RAW_DRIVER
-        tristate "RAW driver (/dev/raw/rawN) (OBSOLETE)"
+        tristate "RAW driver (/dev/raw/rawN)"
+        depends on BLOCK
        help
          The raw driver permits block devices to be bound to /dev/raw/rawN.
          Once bound, I/O against /dev/raw/rawN uses efficient zero-copy I/O.
          See the raw(8) manpage for more details.
-          The raw driver is deprecated and will be removed soon.
+          Applications should preferably open the device (eg /dev/hda1)
-          Applications should simply open the device (eg /dev/hda1)
          with the O_DIRECT flag.
 config MAX_RAW_DEVS
diff --git a/arch/um/drivers/chan_user.c b/arch/um/drivers/chan_user.c
index 025764089ac8..cfeb3f4a44af 100644
--- a/arch/um/drivers/chan_user.c
+++ b/arch/um/drivers/chan_user.c
@@ -11,6 +11,7 @@
 #include <termios.h>
 #include <sys/ioctl.h>
 #include "chan_user.h"
+#include "kern_constants.h"
 #include "os.h"
 #include "um_malloc.h"
 #include "user.h"
diff --git a/arch/um/drivers/cow_sys.h b/arch/um/drivers/cow_sys.h
index ca8c9e11a39b..f5701fd2ef90 100644
--- a/arch/um/drivers/cow_sys.h
+++ b/arch/um/drivers/cow_sys.h
@@ -8,7 +8,7 @@
 static inline void *cow_malloc(int size)
 {
-        return kmalloc(size, UM_GFP_KERNEL);
+        return uml_kmalloc(size, UM_GFP_KERNEL);
 }
 static inline void cow_free(void *ptr)
diff --git a/arch/um/drivers/daemon_user.c b/arch/um/drivers/daemon_user.c
index f23c109a055c..f8e85e0bdace 100644
--- a/arch/um/drivers/daemon_user.c
+++ b/arch/um/drivers/daemon_user.c
@@ -34,7 +34,7 @@ static struct sockaddr_un *new_addr(void *name, int len)
 {
        struct sockaddr_un *sun;
-        sun = kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL);
+        sun = uml_kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL);
        if (sun == NULL) {
                printk(UM_KERN_ERR "new_addr: allocation of sockaddr_un "
                       "failed\n");
@@ -83,7 +83,7 @@ static int connect_to_switch(struct daemon_data *pri)
                goto out_close;
        }
-        sun = kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL);
+        sun = uml_kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL);
        if (sun == NULL) {
                printk(UM_KERN_ERR "new_addr: allocation of sockaddr_un "
                       "failed\n");
diff --git a/arch/um/drivers/fd.c b/arch/um/drivers/fd.c
index 0a2bb5b64b82..f5a981a16240 100644
--- a/arch/um/drivers/fd.c
+++ b/arch/um/drivers/fd.c
@@ -40,7 +40,7 @@ static void *fd_init(char *str, int device, const struct chan_opts *opts)
                return NULL;
        }
-        data = kmalloc(sizeof(*data), UM_GFP_KERNEL);
+        data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL);
        if (data == NULL)
                return NULL;
diff --git a/arch/um/drivers/hostaudio_kern.c b/arch/um/drivers/hostaudio_kern.c
index ff1b22b69e9c..368219cc2366 100644
--- a/arch/um/drivers/hostaudio_kern.c
+++ b/arch/um/drivers/hostaudio_kern.c
@@ -154,7 +154,7 @@ static int hostaudio_ioctl(struct inode *inode, struct file *file,
        case SNDCTL_DSP_SUBDIVIDE:
        case SNDCTL_DSP_SETFRAGMENT:
                if (get_user(data, (int __user *) arg))
-                        return EFAULT;
+                        return -EFAULT;
                break;
        default:
                break;
diff --git a/arch/um/drivers/mcast_user.c b/arch/um/drivers/mcast_user.c
index 5f647d7a7292..ee19e91568a2 100644
--- a/arch/um/drivers/mcast_user.c
+++ b/arch/um/drivers/mcast_user.c
@@ -15,6 +15,7 @@
 #include <unistd.h>
 #include <errno.h>
 #include <netinet/in.h>
+#include "kern_constants.h"
 #include "mcast.h"
 #include "net_user.h"
 #include "um_malloc.h"
@@ -24,7 +25,7 @@ static struct sockaddr_in *new_addr(char *addr, unsigned short port)
 {
        struct sockaddr_in *sin;
-        sin = kmalloc(sizeof(struct sockaddr_in), UM_GFP_KERNEL);
+        sin = uml_kmalloc(sizeof(struct sockaddr_in), UM_GFP_KERNEL);
        if (sin == NULL) {
                printk(UM_KERN_ERR "new_addr: allocation of sockaddr_in "
                       "failed\n");
diff --git a/arch/um/drivers/net_user.c b/arch/um/drivers/net_user.c
index abf2653f5517..9415dd9e63ef 100644
--- a/arch/um/drivers/net_user.c
+++ b/arch/um/drivers/net_user.c
@@ -222,7 +222,7 @@ static void change(char *dev, char *what, unsigned char *addr,
                netmask[2], netmask[3]);
        output_len = UM_KERN_PAGE_SIZE;
-        output = kmalloc(output_len, UM_GFP_KERNEL);
+        output = uml_kmalloc(output_len, UM_GFP_KERNEL);
        if (output == NULL)
                printk(UM_KERN_ERR "change : failed to allocate output "
                       "buffer\n");
diff --git a/arch/um/drivers/port_user.c b/arch/um/drivers/port_user.c
index d269ca387f10..b49bf56a56aa 100644
--- a/arch/um/drivers/port_user.c
+++ b/arch/um/drivers/port_user.c
@@ -47,7 +47,7 @@ static void *port_init(char *str, int device, const struct chan_opts *opts)
        if (kern_data == NULL)
                return NULL;
-        data = kmalloc(sizeof(*data), UM_GFP_KERNEL);
+        data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL);
        if (data == NULL)
                goto err;
diff --git a/arch/um/drivers/pty.c b/arch/um/drivers/pty.c
index 49c79dda6046..1113911dcb2b 100644
--- a/arch/um/drivers/pty.c
+++ b/arch/um/drivers/pty.c
@@ -29,7 +29,7 @@ static void *pty_chan_init(char *str, int device, const struct chan_opts *opts)
 {
        struct pty_chan *data;
-        data = kmalloc(sizeof(*data), UM_GFP_KERNEL);
+        data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL);
        if (data == NULL)
                return NULL;
diff --git a/arch/um/drivers/random.c b/arch/um/drivers/random.c
index 71f0959c1535..4949044773ba 100644
--- a/arch/um/drivers/random.c
+++ b/arch/um/drivers/random.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 2005 Jeff Dike <jdike@addtoit.com> */
+/* Copyright (C) 2005 - 2008 Jeff Dike <jdike@{linux.intel,addtoit}.com> */
 /* Much of this ripped from drivers/char/hw_random.c, see there for other
 * copyright.
 *
@@ -8,16 +9,18 @@
 #include <linux/sched.h>
 #include <linux/module.h>
 #include <linux/fs.h>
+#include <linux/interrupt.h>
 #include <linux/miscdevice.h>
 #include <linux/delay.h>
 #include <asm/uaccess.h>
+#include "irq_kern.h"
 #include "os.h"
 /*
 * core module and version information
 */
 #define RNG_VERSION "1.0.0"
-#define RNG_MODULE_NAME "random"
+#define RNG_MODULE_NAME "hw_random"
 #define RNG_MISCDEV_MINOR               183 /* official */
@@ -26,47 +29,67 @@
 * protects against a module being loaded twice at the same time.
 */
 static int random_fd = -1;
+static DECLARE_WAIT_QUEUE_HEAD(host_read_wait);
 static int rng_dev_open (struct inode *inode, struct file *filp)
 {
        /* enforce read-only access to this chrdev */
        if ((filp->f_mode & FMODE_READ) == 0)
                return -EINVAL;
-        if (filp->f_mode & FMODE_WRITE)
+        if ((filp->f_mode & FMODE_WRITE) != 0)
                return -EINVAL;
        return 0;
 }
+static atomic_t host_sleep_count = ATOMIC_INIT(0);
 static ssize_t rng_dev_read (struct file *filp, char __user *buf, size_t size,
-                             loff_t * offp)
+                             loff_t *offp)
 {
-        u32 data;
+        u32 data;
-        int n, ret = 0, have_data;
+        int n, ret = 0, have_data;
-        while(size){
+        while (size) {
-                n = os_read_file(random_fd, &data, sizeof(data));
+                n = os_read_file(random_fd, &data, sizeof(data));
-                if(n > 0){
+                if (n > 0) {
-                        have_data = n;
+                        have_data = n;
-                        while (have_data && size) {
+                        while (have_data && size) {
-                                if (put_user((u8)data, buf++)) {
+                                if (put_user((u8) data, buf++)) {
-                                        ret = ret ? : -EFAULT;
+                                        ret = ret ? : -EFAULT;
-                                        break;
+                                        break;
-                                }
+                                }
-                                size--;
+                                size--;
-                                ret++;
+                                ret++;
-                                have_data--;
+                                have_data--;
-                                data>>=8;
+                                data >>= 8;
-                        }
+                        }
-                }
+                }
-                else if(n == -EAGAIN){
+                else if (n == -EAGAIN) {
-                        if (filp->f_flags & O_NONBLOCK)
+                        DECLARE_WAITQUEUE(wait, current);
-                                return ret ? : -EAGAIN;
+                        if (filp->f_flags & O_NONBLOCK)
-                        if(need_resched())
+                                return ret ? : -EAGAIN;
-                                schedule_timeout_interruptible(1);
-                }
+                        atomic_inc(&host_sleep_count);
-                else return n;
+                        reactivate_fd(random_fd, RANDOM_IRQ);
+                        add_sigio_fd(random_fd);
+                        add_wait_queue(&host_read_wait, &wait);
+                        set_task_state(current, TASK_INTERRUPTIBLE);
+                        schedule();
+                        set_task_state(current, TASK_RUNNING);
+                        remove_wait_queue(&host_read_wait, &wait);
+                        if (atomic_dec_and_test(&host_sleep_count)) {
+                                ignore_sigio_fd(random_fd);
+                                deactivate_fd(random_fd, RANDOM_IRQ);
+                        }
+                }
+                else
+                        return n;
                if (signal_pending (current))
                        return ret ? : -ERESTARTSYS;
        }
@@ -86,6 +109,13 @@ static struct miscdevice rng_miscdev = {
        &rng_chrdev_ops,
 };
+static irqreturn_t random_interrupt(int irq, void *data)
+{
+        wake_up(&host_read_wait);
+        return IRQ_HANDLED;
+}
 /*
 * rng_init - initialize RNG module
 */
@@ -93,28 +123,33 @@ static int __init rng_init (void)
 {
        int err;
-        err = os_open_file("/dev/random", of_read(OPENFLAGS()), 0);
+        err = os_open_file("/dev/random", of_read(OPENFLAGS()), 0);
-        if(err < 0)
+        if (err < 0)
-                goto out;
+                goto out;
-        random_fd = err;
+        random_fd = err;
-        err = os_set_fd_block(random_fd, 0);
+        err = um_request_irq(RANDOM_IRQ, random_fd, IRQ_READ, random_interrupt,
-        if(err)
+                             IRQF_DISABLED | IRQF_SAMPLE_RANDOM, "random",
+                             NULL);
+        if (err)
                goto err_out_cleanup_hw;
+        sigio_broken(random_fd, 1);
        err = misc_register (&rng_miscdev);
        if (err) {
-                printk (KERN_ERR RNG_MODULE_NAME ": misc device register failed\n");
+                printk (KERN_ERR RNG_MODULE_NAME ": misc device register "
+                        "failed\n");
                goto err_out_cleanup_hw;
        }
+out:
+        return err;
- out:
+err_out_cleanup_hw:
-        return err;
+        os_close_file(random_fd);
+        random_fd = -1;
- err_out_cleanup_hw:
+        goto out;
-        random_fd = -1;
-        goto out;
 }
 /*
@@ -122,6 +157,7 @@ static int __init rng_init (void)
 */
 static void __exit rng_cleanup (void)
 {
+        os_close_file(random_fd);
        misc_deregister (&rng_miscdev);
 }
diff --git a/arch/um/drivers/slip_user.c b/arch/um/drivers/slip_user.c
index 8b80505a3fb0..a1c2d2c98a94 100644
--- a/arch/um/drivers/slip_user.c
+++ b/arch/um/drivers/slip_user.c
@@ -96,7 +96,7 @@ static int slip_tramp(char **argv, int fd)
        pid = err;
        output_len = UM_KERN_PAGE_SIZE;
-        output = kmalloc(output_len, UM_GFP_KERNEL);
+        output = uml_kmalloc(output_len, UM_GFP_KERNEL);
        if (output == NULL) {
                printk(UM_KERN_ERR "slip_tramp : failed to allocate output "
                       "buffer\n");
diff --git a/arch/um/drivers/tty.c b/arch/um/drivers/tty.c
index c930fedc5172..495858a090e4 100644
--- a/arch/um/drivers/tty.c
+++ b/arch/um/drivers/tty.c
@@ -29,7 +29,7 @@ static void *tty_chan_init(char *str, int device, const struct chan_opts *opts)
        }
        str++;
-        data = kmalloc(sizeof(*data), UM_GFP_KERNEL);
+        data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL);
        if (data == NULL)
                return NULL;
        *data = ((struct tty_chan) { .dev       = str,
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 5e45e39a8a8d..44ad1607be2d 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -1178,8 +1178,8 @@ static void cowify_bitmap(__u64 io_offset, int length, unsigned long *cow_mask,
         * by one word.  Thanks to Lynn Kerby for the fix and James McMechan
         * for the original diagnosis.
         */
-        if(*cow_offset == ((bitmap_len + sizeof(unsigned long) - 1) /
+        if (*cow_offset == (DIV_ROUND_UP(bitmap_len,
-                           sizeof(unsigned long) - 1))
+                                         sizeof(unsigned long)) - 1))
                (*cow_offset)--;
        bitmap_words[0] = bitmap[*cow_offset];
diff --git a/arch/um/drivers/xterm.c b/arch/um/drivers/xterm.c
index 8a1c18a9b240..da2caa5a21ef 100644
--- a/arch/um/drivers/xterm.c
+++ b/arch/um/drivers/xterm.c
@@ -30,7 +30,7 @@ static void *xterm_init(char *str, int device, const struct chan_opts *opts)
 {
        struct xterm_chan *data;
-        data = kmalloc(sizeof(*data), UM_GFP_KERNEL);
+        data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL);
        if (data == NULL)
                return NULL;
        *data = ((struct xterm_chan) { .pid             = -1,
diff --git a/arch/um/include/as-layout.h b/arch/um/include/as-layout.h
index cac542d8ff70..58e852dfb0ce 100644
--- a/arch/um/include/as-layout.h
+++ b/arch/um/include/as-layout.h
@@ -23,16 +23,16 @@
 */
 #ifdef __ASSEMBLY__
-#define _AC(X, Y)       (Y)
+#define _UML_AC(X, Y)   (Y)
 #else
-#define __AC(X, Y)      (X (Y))
+#define __UML_AC(X, Y)  (X(Y))
-#define _AC(X, Y)       __AC(X, Y)
+#define _UML_AC(X, Y)   __UML_AC(X, Y)
 #endif
-#define STUB_START _AC(, 0x100000)
+#define STUB_START _UML_AC(, 0x100000)
-#define STUB_CODE _AC((unsigned long), STUB_START)
+#define STUB_CODE _UML_AC((unsigned long), STUB_START)
-#define STUB_DATA _AC((unsigned long), STUB_CODE + UM_KERN_PAGE_SIZE)
+#define STUB_DATA _UML_AC((unsigned long), STUB_CODE + UM_KERN_PAGE_SIZE)
-#define STUB_END _AC((unsigned long), STUB_DATA + UM_KERN_PAGE_SIZE)
+#define STUB_END _UML_AC((unsigned long), STUB_DATA + UM_KERN_PAGE_SIZE)
 #ifndef __ASSEMBLY__
diff --git a/arch/um/include/line.h b/arch/um/include/line.h
index 979b73e6352d..311a0d3d93af 100644
--- a/arch/um/include/line.h
+++ b/arch/um/include/line.h
@@ -58,11 +58,11 @@ struct line {
 };
 #define LINE_INIT(str, d) \
-        { .count_lock = SPIN_LOCK_UNLOCKED, \
+        { .count_lock = __SPIN_LOCK_UNLOCKED((str).count_lock), \
          .init_str =   str,    \
          .init_pri =   INIT_STATIC, \
          .valid =      1, \
-          .lock =       SPIN_LOCK_UNLOCKED, \
+          .lock =       __SPIN_LOCK_UNLOCKED((str).lock), \
          .driver =     d }
 extern void line_close(struct tty_struct *tty, struct file * filp);
diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index 32c799e3a495..e2716ac8889a 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -290,6 +290,7 @@ extern void os_set_ioignore(void);
 extern int add_sigio_fd(int fd);
 extern int ignore_sigio_fd(int fd);
 extern void maybe_sigio_broken(int fd, int read);
+extern void sigio_broken(int fd, int read);
 /* sys-x86_64/prctl.c */
 extern int os_arch_prctl(int pid, int code, unsigned long *addr);
diff --git a/arch/um/include/process.h b/arch/um/include/process.h
index 5af9157ff54f..bb873a51262e 100644
--- a/arch/um/include/process.h
+++ b/arch/um/include/process.h
@@ -1,5 +1,5 @@
 /* 
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2000 - 2008 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 * Licensed under the GPL
 */
@@ -8,18 +8,10 @@
 #include <signal.h>
-extern void sig_handler(int sig, struct sigcontext sc);
+/* Copied from linux/compiler-gcc.h since we can't include it directly */
-extern void alarm_handler(int sig, struct sigcontext sc);
+#define barrier() __asm__ __volatile__("": : :"memory")
-#endif
+extern void sig_handler(int sig, struct sigcontext *sc);
+extern void alarm_handler(int sig, struct sigcontext *sc);
-/*
+#endif
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/include/skas_ptrace.h b/arch/um/include/skas_ptrace.h
index cd2327d09c8d..3d31bbacd016 100644
--- a/arch/um/include/skas_ptrace.h
+++ b/arch/um/include/skas_ptrace.h
@@ -1,5 +1,5 @@
 /* 
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 * Licensed under the GPL
 */
@@ -12,14 +12,3 @@
 #include "sysdep/skas_ptrace.h"
 #endif
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/include/sysdep-i386/ptrace_user.h b/arch/um/include/sysdep-i386/ptrace_user.h
index 75650723c38f..ef56247e4143 100644
--- a/arch/um/include/sysdep-i386/ptrace_user.h
+++ b/arch/um/include/sysdep-i386/ptrace_user.h
@@ -41,38 +41,10 @@
 #define PT_SP_OFFSET PT_OFFSET(UESP)
 #define PT_SP(regs) ((regs)[UESP])
-#define FP_SIZE ((HOST_XFP_SIZE > HOST_FP_SIZE) ? HOST_XFP_SIZE : HOST_FP_SIZE)
+#define FP_SIZE ((HOST_FPX_SIZE > HOST_FP_SIZE) ? HOST_FPX_SIZE : HOST_FP_SIZE)
 #ifndef FRAME_SIZE
 #define FRAME_SIZE (17)
 #endif
-#define FRAME_SIZE_OFFSET (FRAME_SIZE * sizeof(unsigned long))
-#define FP_FRAME_SIZE (27)
-#define FPX_FRAME_SIZE (128)
-#ifdef PTRACE_GETREGS
-#define UM_HAVE_GETREGS
-#endif
-#ifdef PTRACE_SETREGS
-#define UM_HAVE_SETREGS
-#endif
-#ifdef PTRACE_GETFPREGS
-#define UM_HAVE_GETFPREGS
-#endif
-#ifdef PTRACE_SETFPREGS
-#define UM_HAVE_SETFPREGS
-#endif
-#ifdef PTRACE_GETFPXREGS
-#define UM_HAVE_GETFPXREGS
-#endif
-#ifdef PTRACE_SETFPXREGS
-#define UM_HAVE_SETFPXREGS
-#endif
 #endif
diff --git a/arch/um/include/sysdep-i386/sigcontext.h b/arch/um/include/sysdep-i386/sigcontext.h
index 67e77122aa45..f583c87111a0 100644
--- a/arch/um/include/sysdep-i386/sigcontext.h
+++ b/arch/um/include/sysdep-i386/sigcontext.h
@@ -10,7 +10,7 @@
 #define IP_RESTART_SYSCALL(ip) ((ip) -= 2)
-#define GET_FAULTINFO_FROM_SC(fi,sc) \
+#define GET_FAULTINFO_FROM_SC(fi, sc) \
        { \
                (fi).cr2 = SC_CR2(sc); \
                (fi).error_code = SC_ERR(sc); \
diff --git a/arch/um/include/sysdep-x86_64/ptrace_user.h b/arch/um/include/sysdep-x86_64/ptrace_user.h
index 45c0bd881cb3..4dbccdb58f48 100644
--- a/arch/um/include/sysdep-x86_64/ptrace_user.h
+++ b/arch/um/include/sysdep-x86_64/ptrace_user.h
@@ -48,7 +48,8 @@
 #define PT_ORIG_RAX_OFFSET (ORIG_RAX)
 #define PT_ORIG_RAX(regs) ((regs)[PT_INDEX(ORIG_RAX)])
-/* x86_64 FC3 doesn't define this in /usr/include/linux/ptrace.h even though
+/*
+ * x86_64 FC3 doesn't define this in /usr/include/linux/ptrace.h even though
 * it's defined in the kernel's include/linux/ptrace.h. Additionally, use the
 * 2.4 name and value for 2.4 host compatibility.
 */
@@ -56,7 +57,8 @@
 #define PTRACE_OLDSETOPTIONS 21
 #endif
-/* These are before the system call, so the system call number is RAX
+/*
+ * These are before the system call, so the system call number is RAX
 * rather than ORIG_RAX, and arg4 is R10 rather than RCX
 */
 #define REGS_SYSCALL_NR PT_INDEX(RAX)
@@ -73,14 +75,3 @@
 #define FP_SIZE (HOST_FP_SIZE)
 #endif
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/include/um_malloc.h b/arch/um/include/um_malloc.h
index 0ad17cb83d96..c554d706d106 100644
--- a/arch/um/include/um_malloc.h
+++ b/arch/um/include/um_malloc.h
@@ -8,15 +8,12 @@
 #include "kern_constants.h"
-extern void *__kmalloc(int size, int flags);
+extern void *uml_kmalloc(int size, int flags);
-static inline void *kmalloc(int size, int flags)
-{
-        return __kmalloc(size, flags);
-}
 extern void kfree(const void *ptr);
 extern void *vmalloc(unsigned long size);
 extern void vfree(void *ptr);
 #endif /* __UM_MALLOC_H__ */
diff --git a/arch/um/kernel/dyn.lds.S b/arch/um/kernel/dyn.lds.S
index 26090b7f323e..9975e1ab44fb 100644
--- a/arch/um/kernel/dyn.lds.S
+++ b/arch/um/kernel/dyn.lds.S
@@ -1,4 +1,5 @@
 #include <asm-generic/vmlinux.lds.h>
+#include <asm/page.h>
 OUTPUT_FORMAT(ELF_FORMAT)
 OUTPUT_ARCH(ELF_ARCH)
@@ -21,7 +22,7 @@ SECTIONS
        _einittext = .;
  }
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
  /* Read-only sections, merged into text segment: */
  .hash           : { *(.hash) }
@@ -68,9 +69,9 @@ SECTIONS
    /* .gnu.warning sections are handled specially by elf32.em.  */
    *(.gnu.warning)
-    . = ALIGN(4096);
+    . = ALIGN(PAGE_SIZE);
  } =0x90909090
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
  .syscall_stub : {
        __syscall_stub_start = .;
        *(.__syscall_stub*)
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 2eea1ff235e6..b0ee64622ff7 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -375,3 +375,8 @@ pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
        return pmd;
 }
 #endif
+void *uml_kmalloc(int size, int flags)
+{
+        return kmalloc(size, flags);
+}
diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c
index 0d0cea2ac98d..c3e2f369c33c 100644
--- a/arch/um/kernel/time.c
+++ b/arch/um/kernel/time.c
@@ -75,7 +75,7 @@ static irqreturn_t um_timer(int irq, void *dev)
 static cycle_t itimer_read(void)
 {
-        return os_nsecs();
+        return os_nsecs() / 1000;
 }
 static struct clocksource itimer_clocksource = {
@@ -83,7 +83,7 @@ static struct clocksource itimer_clocksource = {
        .rating         = 300,
        .read           = itimer_read,
        .mask           = CLOCKSOURCE_MASK(64),
-        .mult           = 1,
+        .mult           = 1000,
        .shift          = 0,
        .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
 };
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 56deed623446..9db85b2ce698 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -150,7 +150,7 @@ __uml_setup("root=", uml_root_setup,
 static int __init no_skas_debug_setup(char *line, int *add)
 {
        printf("'debug' is not necessary to gdb UML in skas mode - run \n");
-        printf("'gdb linux'");
+        printf("'gdb linux'\n");
        return 0;
 }
@@ -258,6 +258,7 @@ int __init linux_main(int argc, char **argv)
 {
        unsigned long avail, diff;
        unsigned long virtmem_size, max_physmem;
+        unsigned long stack;
        unsigned int i;
        int add;
        char * mode;
@@ -348,7 +349,9 @@ int __init linux_main(int argc, char **argv)
        }
        virtmem_size = physmem_size;
-        avail = TASK_SIZE - start_vm;
+        stack = (unsigned long) argv;
+        stack &= ~(1024 * 1024 - 1);
+        avail = stack - start_vm;
        if (physmem_size > avail)
                virtmem_size = avail;
        end_vm = start_vm + virtmem_size;
diff --git a/arch/um/kernel/uml.lds.S b/arch/um/kernel/uml.lds.S
index 5828c1d54505..11b835248b86 100644
--- a/arch/um/kernel/uml.lds.S
+++ b/arch/um/kernel/uml.lds.S
@@ -1,4 +1,5 @@
 #include <asm-generic/vmlinux.lds.h>
+#include <asm/page.h>
 OUTPUT_FORMAT(ELF_FORMAT)
 OUTPUT_ARCH(ELF_ARCH)
@@ -26,7 +27,7 @@ SECTIONS
        INIT_TEXT
        _einittext = .;
  }
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
  .text      :
  {
@@ -39,7 +40,7 @@ SECTIONS
    *(.gnu.linkonce.t*)
  }
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
  .syscall_stub : {
        __syscall_stub_start = .;
        *(.__syscall_stub*)
@@ -79,7 +80,7 @@ SECTIONS
  .sdata     : { *(.sdata) }
  _edata  =  .;
  PROVIDE (edata = .);
-  . = ALIGN(0x1000);
+  . = ALIGN(PAGE_SIZE);
  .sbss      :
  {
   __bss_start = .;
diff --git a/arch/um/os-Linux/drivers/ethertap_user.c b/arch/um/os-Linux/drivers/ethertap_user.c
index 6fb0b174f538..cc72cb2c1af6 100644
--- a/arch/um/os-Linux/drivers/ethertap_user.c
+++ b/arch/um/os-Linux/drivers/ethertap_user.c
@@ -52,7 +52,7 @@ static void etap_change(int op, unsigned char *addr, unsigned char *netmask,
                return;
        }
-        output = kmalloc(UM_KERN_PAGE_SIZE, UM_GFP_KERNEL);
+        output = uml_kmalloc(UM_KERN_PAGE_SIZE, UM_GFP_KERNEL);
        if (output == NULL)
                printk(UM_KERN_ERR "etap_change : Failed to allocate output "
                       "buffer\n");
@@ -165,7 +165,7 @@ static int etap_open(void *data)
        err = etap_tramp(pri->dev_name, pri->gate_addr, control_fds[0],
                         control_fds[1], data_fds[0], data_fds[1]);
        output_len = UM_KERN_PAGE_SIZE;
-        output = kmalloc(output_len, UM_GFP_KERNEL);
+        output = uml_kmalloc(output_len, UM_GFP_KERNEL);
        read_output(control_fds[0], output, output_len);
        if (output == NULL)
diff --git a/arch/um/os-Linux/helper.c b/arch/um/os-Linux/helper.c
index f25c29a12d00..74ca7aabf4e1 100644
--- a/arch/um/os-Linux/helper.c
+++ b/arch/um/os-Linux/helper.c
@@ -71,8 +71,8 @@ int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv)
        data.pre_data = pre_data;
        data.argv = argv;
        data.fd = fds[1];
-        data.buf = __cant_sleep() ? kmalloc(PATH_MAX, UM_GFP_ATOMIC) :
+        data.buf = __cant_sleep() ? uml_kmalloc(PATH_MAX, UM_GFP_ATOMIC) :
-                                        kmalloc(PATH_MAX, UM_GFP_KERNEL);
+                                        uml_kmalloc(PATH_MAX, UM_GFP_KERNEL);
        pid = clone(helper_child, (void *) sp, CLONE_VM, &data);
        if (pid < 0) {
                ret = -errno;
diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c
index abb9b0ffd960..eee69b9f52c9 100644
--- a/arch/um/os-Linux/main.c
+++ b/arch/um/os-Linux/main.c
@@ -199,7 +199,7 @@ void *__wrap_malloc(int size)
                return __real_malloc(size);
        else if (size <= UM_KERN_PAGE_SIZE)
                /* finding contiguous pages can be hard*/
-                ret = kmalloc(size, UM_GFP_KERNEL);
+                ret = uml_kmalloc(size, UM_GFP_KERNEL);
        else ret = vmalloc(size);
        /*
diff --git a/arch/um/os-Linux/sigio.c b/arch/um/os-Linux/sigio.c
index abf47a7c4abd..eb8f2e4be192 100644
--- a/arch/um/os-Linux/sigio.c
+++ b/arch/um/os-Linux/sigio.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Copyright (C) 2002 - 2008 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 * Licensed under the GPL
 */
@@ -15,6 +15,7 @@
 #include "kern_util.h"
 #include "init.h"
 #include "os.h"
+#include "process.h"
 #include "sigio.h"
 #include "um_malloc.h"
 #include "user.h"
@@ -109,7 +110,7 @@ static int need_poll(struct pollfds *polls, int n)
        if (n <= polls->size)
                return 0;
-        new = kmalloc(n * sizeof(struct pollfd), UM_GFP_ATOMIC);
+        new = uml_kmalloc(n * sizeof(struct pollfd), UM_GFP_ATOMIC);
        if (new == NULL) {
                printk(UM_KERN_ERR "need_poll : failed to allocate new "
                       "pollfds\n");
@@ -243,7 +244,7 @@ static struct pollfd *setup_initial_poll(int fd)
 {
        struct pollfd *p;
-        p = kmalloc(sizeof(struct pollfd), UM_GFP_KERNEL);
+        p = uml_kmalloc(sizeof(struct pollfd), UM_GFP_KERNEL);
        if (p == NULL) {
                printk(UM_KERN_ERR "setup_initial_poll : failed to allocate "
                       "poll\n");
@@ -338,20 +339,10 @@ out_close1:
        close(l_write_sigio_fds[1]);
 }
-/* Changed during early boot */
+void sigio_broken(int fd, int read)
-static int pty_output_sigio = 0;
-static int pty_close_sigio = 0;
-void maybe_sigio_broken(int fd, int read)
 {
        int err;
-        if (!isatty(fd))
-                return;
-        if ((read || pty_output_sigio) && (!read || pty_close_sigio))
-                return;
        write_sigio_workaround();
        sigio_lock();
@@ -370,6 +361,21 @@ out:
        sigio_unlock();
 }
+/* Changed during early boot */
+static int pty_output_sigio;
+static int pty_close_sigio;
+void maybe_sigio_broken(int fd, int read)
+{
+        if (!isatty(fd))
+                return;
+        if ((read || pty_output_sigio) && (!read || pty_close_sigio))
+                return;
+        sigio_broken(fd, read);
+}
 static void sigio_cleanup(void)
 {
        if (write_sigio_pid == -1)
@@ -383,7 +389,7 @@ static void sigio_cleanup(void)
 __uml_exitcall(sigio_cleanup);
 /* Used as a flag during SIGIO testing early in boot */
-static volatile int got_sigio = 0;
+static int got_sigio;
 static void __init handler(int sig)
 {
@@ -498,7 +504,8 @@ static void tty_output(int master, int slave)
        if (errno != EAGAIN)
                printk(UM_KERN_ERR "tty_output : write failed, errno = %d\n",
                       errno);
-        while (((n = read(slave, buf, sizeof(buf))) > 0) && !got_sigio)
+        while (((n = read(slave, buf, sizeof(buf))) > 0) &&
+               !({ barrier(); got_sigio; }))
                ;
        if (got_sigio) {
diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c
index 3f1694b134cb..5aade6027e40 100644
--- a/arch/um/os-Linux/signal.c
+++ b/arch/um/os-Linux/signal.c
@@ -12,6 +12,7 @@
 #include "as-layout.h"
 #include "kern_util.h"
 #include "os.h"
+#include "process.h"
 #include "sysdep/barrier.h"
 #include "sysdep/sigcontext.h"
 #include "user.h"
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index 1e8cba6550a9..6be028ca1817 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -442,7 +442,7 @@ void userspace(struct uml_pt_regs *regs)
                                unblock_signals();
                                break;
                        default:
-                                printk(UM_KERN_ERR "userspace - child stopped "
+                                printk(UM_KERN_ERR "userspace - child stopped "
                                       "with signal %d\n", sig);
                                fatal_sigsegv();
                        }
diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c
index 997d01944f91..b4b36e0f2e89 100644
--- a/arch/um/os-Linux/start_up.c
+++ b/arch/um/os-Linux/start_up.c
@@ -23,6 +23,7 @@
 #include "mem_user.h"
 #include "ptrace_user.h"
 #include "registers.h"
+#include "skas.h"
 #include "skas_ptrace.h"
 static void ptrace_child(void)
@@ -140,14 +141,27 @@ static int stop_ptraced_child(int pid, int exitcode, int mustexit)
 }
 /* Changed only during early boot */
-int ptrace_faultinfo = 1;
+int ptrace_faultinfo;
-int ptrace_ldt = 1;
+static int disable_ptrace_faultinfo;
-int proc_mm = 1;
-int skas_needs_stub = 0;
+int ptrace_ldt;
+static int disable_ptrace_ldt;
+int proc_mm;
+static int disable_proc_mm;
+int have_switch_mm;
+static int disable_switch_mm;
+int skas_needs_stub;
 static int __init skas0_cmd_param(char *str, int* add)
 {
-        ptrace_faultinfo = proc_mm = 0;
+        disable_ptrace_faultinfo = 1;
+        disable_ptrace_ldt = 1;
+        disable_proc_mm = 1;
+        disable_switch_mm = 1;
        return 0;
 }
@@ -157,15 +171,12 @@ static int __init mode_skas0_cmd_param(char *str, int* add)
        __attribute__((alias("skas0_cmd_param")));
 __uml_setup("skas0", skas0_cmd_param,
-                "skas0\n"
+"skas0\n"
-                "    Disables SKAS3 usage, so that SKAS0 is used, unless \n"
+"    Disables SKAS3 and SKAS4 usage, so that SKAS0 is used\n\n");
-                "    you specify mode=tt.\n\n");
 __uml_setup("mode=skas0", mode_skas0_cmd_param,
-                "mode=skas0\n"
+"mode=skas0\n"
-                "    Disables SKAS3 usage, so that SKAS0 is used, unless you \n"
+"    Disables SKAS3 and SKAS4 usage, so that SKAS0 is used.\n\n");
-                "    specify mode=tt. Note that this was recently added - on \n"
-                "    older kernels you must use simply \"skas0\".\n\n");
 /* Changed only during early boot */
 static int force_sysemu_disabled = 0;
@@ -360,7 +371,7 @@ void __init os_early_checks(void)
 static int __init noprocmm_cmd_param(char *str, int* add)
 {
-        proc_mm = 0;
+        disable_proc_mm = 1;
        return 0;
 }
@@ -372,7 +383,7 @@ __uml_setup("noprocmm", noprocmm_cmd_param,
 static int __init noptracefaultinfo_cmd_param(char *str, int* add)
 {
-        ptrace_faultinfo = 0;
+        disable_ptrace_faultinfo = 1;
        return 0;
 }
@@ -384,7 +395,7 @@ __uml_setup("noptracefaultinfo", noptracefaultinfo_cmd_param,
 static int __init noptraceldt_cmd_param(char *str, int* add)
 {
-        ptrace_ldt = 0;
+        disable_ptrace_ldt = 1;
        return 0;
 }
@@ -404,17 +415,15 @@ static inline void check_skas3_ptrace_faultinfo(void)
        n = ptrace(PTRACE_FAULTINFO, pid, 0, &fi);
        if (n < 0) {
-                ptrace_faultinfo = 0;
                if (errno == EIO)
                        non_fatal("not found\n");
                else
                        perror("not found");
-        }
+        } else if (disable_ptrace_faultinfo)
+                non_fatal("found but disabled on command line\n");
        else {
-                if (!ptrace_faultinfo)
+                ptrace_faultinfo = 1;
-                        non_fatal("found but disabled on command line\n");
+                non_fatal("found\n");
-                else
-                        non_fatal("found\n");
        }
        stop_ptraced_child(pid, 1, 1);
@@ -437,38 +446,30 @@ static inline void check_skas3_ptrace_ldt(void)
        if (n < 0) {
                if (errno == EIO)
                        non_fatal("not found\n");
-                else {
+                else
                        perror("not found");
-                }
+        } else if (disable_ptrace_ldt)
-                ptrace_ldt = 0;
+                non_fatal("found, but use is disabled\n");
-        }
        else {
-                if (ptrace_ldt)
+                ptrace_ldt = 1;
-                        non_fatal("found\n");
+                non_fatal("found\n");
-                else
-                        non_fatal("found, but use is disabled\n");
        }
        stop_ptraced_child(pid, 1, 1);
-#else
-        /* PTRACE_LDT might be disabled via cmdline option.
-         * We want to override this, else we might use the stub
-         * without real need
-         */
-        ptrace_ldt = 1;
 #endif
 }
 static inline void check_skas3_proc_mm(void)
 {
        non_fatal("  - /proc/mm...");
-        if (access("/proc/mm", W_OK) < 0) {
+        if (access("/proc/mm", W_OK) < 0)
-                proc_mm = 0;
                perror("not found");
-        }
+        else if (disable_proc_mm)
-        else if (!proc_mm)
                non_fatal("found but disabled on command line\n");
-        else non_fatal("found\n");
+        else {
+                proc_mm = 1;
+                non_fatal("found\n");
+        }
 }
 void can_do_skas(void)
diff --git a/arch/um/os-Linux/sys-i386/registers.c b/arch/um/os-Linux/sys-i386/registers.c
index b613473b3ec1..c6183e7aec3d 100644
--- a/arch/um/os-Linux/sys-i386/registers.c
+++ b/arch/um/os-Linux/sys-i386/registers.c
@@ -5,6 +5,7 @@
 */
 #include <errno.h>
+#include <asm/user.h>
 #include "kern_constants.h"
 #include "longjmp.h"
 #include "user.h"
@@ -74,10 +75,10 @@ int put_fp_registers(int pid, unsigned long *regs)
 void arch_init_registers(int pid)
 {
-        unsigned long fpx_regs[HOST_XFP_SIZE];
+        struct user_fxsr_struct fpx_regs;
        int err;
-        err = ptrace(PTRACE_GETFPXREGS, pid, 0, fpx_regs);
+        err = ptrace(PTRACE_GETFPXREGS, pid, 0, &fpx_regs);
        if (!err)
                return;
diff --git a/arch/um/os-Linux/time.c b/arch/um/os-Linux/time.c
index e49280599465..bee98f466d66 100644
--- a/arch/um/os-Linux/time.c
+++ b/arch/um/os-Linux/time.c
@@ -9,7 +9,9 @@
 #include <time.h>
 #include <sys/time.h>
 #include "kern_constants.h"
+#include "kern_util.h"
 #include "os.h"
+#include "process.h"
 #include "user.h"
 int set_interval(void)
@@ -58,12 +60,17 @@ static inline long long timeval_to_ns(const struct timeval *tv)
 long long disable_timer(void)
 {
        struct itimerval time = ((struct itimerval) { { 0, 0 }, { 0, 0 } });
+        int remain, max = UM_NSEC_PER_SEC / UM_HZ;
        if (setitimer(ITIMER_VIRTUAL, &time, &time) < 0)
                printk(UM_KERN_ERR "disable_timer - setitimer failed, "
                       "errno = %d\n", errno);
-        return timeval_to_ns(&time.it_value);
+        remain = timeval_to_ns(&time.it_value);
+        if (remain > max)
+                remain = max;
+        return remain;
 }
 long long os_nsecs(void)
@@ -79,7 +86,44 @@ static int after_sleep_interval(struct timespec *ts)
 {
        return 0;
 }
+static void deliver_alarm(void)
+{
+        alarm_handler(SIGVTALRM, NULL);
+}
+static unsigned long long sleep_time(unsigned long long nsecs)
+{
+        return nsecs;
+}
 #else
+unsigned long long last_tick;
+unsigned long long skew;
+static void deliver_alarm(void)
+{
+        unsigned long long this_tick = os_nsecs();
+        int one_tick = UM_NSEC_PER_SEC / UM_HZ;
+        if (last_tick == 0)
+                last_tick = this_tick - one_tick;
+        skew += this_tick - last_tick;
+        while (skew >= one_tick) {
+                alarm_handler(SIGVTALRM, NULL);
+                skew -= one_tick;
+        }
+        last_tick = this_tick;
+}
+static unsigned long long sleep_time(unsigned long long nsecs)
+{
+        return nsecs > skew ? nsecs - skew : 0;
+}
 static inline long long timespec_to_us(const struct timespec *ts)
 {
        return ((long long) ts->tv_sec * UM_USEC_PER_SEC) +
@@ -102,6 +146,8 @@ static int after_sleep_interval(struct timespec *ts)
         */
        if (start_usecs > usec)
                start_usecs = usec;
+        start_usecs -= skew / UM_NSEC_PER_USEC;
        tv = ((struct timeval) { .tv_sec  = start_usecs / UM_USEC_PER_SEC,
                                 .tv_usec = start_usecs % UM_USEC_PER_SEC });
        interval = ((struct itimerval) { { 0, usec }, tv });
@@ -113,8 +159,6 @@ static int after_sleep_interval(struct timespec *ts)
 }
 #endif
-extern void alarm_handler(int sig, struct sigcontext *sc);
 void idle_sleep(unsigned long long nsecs)
 {
        struct timespec ts;
@@ -126,10 +170,12 @@ void idle_sleep(unsigned long long nsecs)
         */
        if (nsecs == 0)
                nsecs = UM_NSEC_PER_SEC / UM_HZ;
+        nsecs = sleep_time(nsecs);
        ts = ((struct timespec) { .tv_sec       = nsecs / UM_NSEC_PER_SEC,
                                  .tv_nsec      = nsecs % UM_NSEC_PER_SEC });
        if (nanosleep(&ts, &ts) == 0)
-                alarm_handler(SIGVTALRM, NULL);
+                deliver_alarm();
        after_sleep_interval(&ts);
 }
diff --git a/arch/um/sys-i386/ptrace.c b/arch/um/sys-i386/ptrace.c
index 6b4499906a6c..c9b176534d65 100644
--- a/arch/um/sys-i386/ptrace.c
+++ b/arch/um/sys-i386/ptrace.c
@@ -148,14 +148,13 @@ int peek_user(struct task_struct *child, long addr, long data)
 int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
 {
        int err, n, cpu = ((struct thread_info *) child->stack)->cpu;
-        long fpregs[HOST_FP_SIZE];
+        struct user_i387_struct fpregs;
-        BUG_ON(sizeof(*buf) != sizeof(fpregs));
+        err = save_fp_registers(userspace_pid[cpu], (unsigned long *) &fpregs);
-        err = save_fp_registers(userspace_pid[cpu], fpregs);
        if (err)
                return err;
-        n = copy_to_user(buf, fpregs, sizeof(fpregs));
+        n = copy_to_user(buf, &fpregs, sizeof(fpregs));
        if(n > 0)
                return -EFAULT;
@@ -165,27 +164,26 @@ int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
 int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
 {
        int n, cpu = ((struct thread_info *) child->stack)->cpu;
-        long fpregs[HOST_FP_SIZE];
+        struct user_i387_struct fpregs;
-        BUG_ON(sizeof(*buf) != sizeof(fpregs));
+        n = copy_from_user(&fpregs, buf, sizeof(fpregs));
-        n = copy_from_user(fpregs, buf, sizeof(fpregs));
        if (n > 0)
                return -EFAULT;
-        return restore_fp_registers(userspace_pid[cpu], fpregs);
+        return restore_fp_registers(userspace_pid[cpu],
+                                    (unsigned long *) &fpregs);
 }
 int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
 {
        int err, n, cpu = ((struct thread_info *) child->stack)->cpu;
-        long fpregs[HOST_XFP_SIZE];
+        struct user_fxsr_struct fpregs;
-        BUG_ON(sizeof(*buf) != sizeof(fpregs));
+        err = save_fpx_registers(userspace_pid[cpu], (unsigned long *) &fpregs);
-        err = save_fpx_registers(userspace_pid[cpu], fpregs);
        if (err)
                return err;
-        n = copy_to_user(buf, fpregs, sizeof(fpregs));
+        n = copy_to_user(buf, &fpregs, sizeof(fpregs));
        if(n > 0)
                return -EFAULT;
@@ -195,14 +193,14 @@ int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
 int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
 {
        int n, cpu = ((struct thread_info *) child->stack)->cpu;
-        long fpregs[HOST_XFP_SIZE];
+        struct user_fxsr_struct fpregs;
-        BUG_ON(sizeof(*buf) != sizeof(fpregs));
+        n = copy_from_user(&fpregs, buf, sizeof(fpregs));
-        n = copy_from_user(fpregs, buf, sizeof(fpregs));
        if (n > 0)
                return -EFAULT;
-        return restore_fpx_registers(userspace_pid[cpu], fpregs);
+        return restore_fpx_registers(userspace_pid[cpu],
+                                     (unsigned long *) &fpregs);
 }
 long subarch_ptrace(struct task_struct *child, long request, long addr,
diff --git a/arch/um/sys-i386/user-offsets.c b/arch/um/sys-i386/user-offsets.c
index 39bd32bf84f0..5f883bfe773f 100644
--- a/arch/um/sys-i386/user-offsets.c
+++ b/arch/um/sys-i386/user-offsets.c
@@ -22,7 +22,7 @@ void foo(void)
        OFFSET(HOST_SC_CR2, sigcontext, cr2);
        DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_fpregs_struct));
-        DEFINE_LONGS(HOST_XFP_SIZE, sizeof(struct user_fpxregs_struct));
+        DEFINE_LONGS(HOST_FPX_SIZE, sizeof(struct user_fpxregs_struct));
        DEFINE(HOST_IP, EIP);
        DEFINE(HOST_SP, UESP);
diff --git a/arch/um/sys-x86_64/user-offsets.c b/arch/um/sys-x86_64/user-offsets.c
index 2f3443c6e859..973585414a66 100644
--- a/arch/um/sys-x86_64/user-offsets.c
+++ b/arch/um/sys-x86_64/user-offsets.c
@@ -24,7 +24,6 @@ void foo(void)
        OFFSET(HOST_SC_TRAPNO, sigcontext, trapno);
        DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long));
-        DEFINE(HOST_XFP_SIZE, 0);
        DEFINE_LONGS(HOST_RBX, RBX);
        DEFINE_LONGS(HOST_RCX, RCX);
        DEFINE_LONGS(HOST_RDI, RDI);
diff --git a/arch/x86/kernel/acpi/realmode/wakeup.lds.S b/arch/x86/kernel/acpi/realmode/wakeup.lds.S
index 22fab6c4be15..7da00b799cda 100644
--- a/arch/x86/kernel/acpi/realmode/wakeup.lds.S
+++ b/arch/x86/kernel/acpi/realmode/wakeup.lds.S
@@ -12,11 +12,6 @@ ENTRY(_start)
 SECTIONS
 {
-        . = HEADER_OFFSET;
-        .header : {
-                 *(.header)
-        }
        . = 0;
        .text : {
                 *(.text*)
@@ -50,6 +45,11 @@ SECTIONS
                __bss_end = .;
        }
+        . = HEADER_OFFSET;
+        .header : {
+                *(.header)
+        }
        . = ALIGN(16);
        _end = .;
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 0c37f16b6950..c5ef1af8e79d 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -385,11 +385,13 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
        if (dma_alloc_from_coherent_mem(dev, size, dma_handle, &memory))
                return memory;
-        if (!dev)
+        if (!dev) {
                dev = &fallback_dev;
+                gfp |= GFP_DMA;
+        }
        dma_mask = dev->coherent_dma_mask;
        if (dma_mask == 0)
-                dma_mask = DMA_32BIT_MASK;
+                dma_mask = (gfp & GFP_DMA) ? DMA_24BIT_MASK : DMA_32BIT_MASK;
        /* Device not DMA able */
        if (dev->dma_mask == NULL)
@@ -403,7 +405,7 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
           larger than 16MB and in this case we have a chance of
           finding fitting memory in the next higher zone first. If
           not retry with true GFP_DMA. -AK */
-        if (dma_mask <= DMA_32BIT_MASK)
+        if (dma_mask <= DMA_32BIT_MASK && !(gfp & GFP_DMA))
                gfp |= GFP_DMA32;
 #endif
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index fb03ef380f0e..a7835f282936 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -1303,6 +1303,9 @@ static const struct user_regset_view user_x86_64_view = {
 #define genregs32_get           genregs_get
 #define genregs32_set           genregs_set
+#define user_i387_ia32_struct   user_i387_struct
+#define user32_fxsr_struct      user_fxsr_struct
 #endif  /* CONFIG_X86_64 */
 #if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION
@@ -1315,13 +1318,13 @@ static const struct user_regset x86_32_regsets[] = {
        },
        [REGSET_FP] = {
                .core_note_type = NT_PRFPREG,
-                .n = sizeof(struct user_i387_struct) / sizeof(u32),
+                .n = sizeof(struct user_i387_ia32_struct) / sizeof(u32),
                .size = sizeof(u32), .align = sizeof(u32),
                .active = fpregs_active, .get = fpregs_get, .set = fpregs_set
        },
        [REGSET_XFP] = {
                .core_note_type = NT_PRXFPREG,
-                .n = sizeof(struct user_i387_struct) / sizeof(u32),
+                .n = sizeof(struct user32_fxsr_struct) / sizeof(u32),
                .size = sizeof(u32), .align = sizeof(u32),
                .active = xfpregs_active, .get = xfpregs_get, .set = xfpregs_set
        },
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index c0c68c18a788..6f80b852a196 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -12,6 +12,7 @@
 #include <asm/mpspec.h>
 #include <asm/apicdef.h>
+#ifdef CONFIG_X86_LOCAL_APIC
 unsigned int num_processors;
 unsigned disabled_cpus __cpuinitdata;
 /* Processor that is doing the boot up */
@@ -23,8 +24,9 @@ EXPORT_PER_CPU_SYMBOL(x86_cpu_to_apicid);
 /* Bitmask of physically existing CPUs */
 physid_mask_t phys_cpu_present_map;
+#endif
-#if defined(CONFIG_HAVE_SETUP_PER_CPU_AREA) && defined(CONFIG_SMP)
+#if defined(CONFIG_HAVE_SETUP_PER_CPU_AREA) && defined(CONFIG_X86_SMP)
 /*
 * Copy data used in early init routines from the initial arrays to the
 * per cpu data areas.  These arrays then become expendable and the
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
index f2fc8feb727d..6dff1286ad8a 100644
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
@@ -951,7 +951,7 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
 static void __cpuinit early_init_centaur(struct cpuinfo_x86 *c)
 {
        if (c->x86 == 0x6 && c->x86_model >= 0xf)
-                set_bit(X86_FEATURE_CONSTANT_TSC, &c->x86_capability);
+                set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);
 }
 static void __cpuinit init_centaur(struct cpuinfo_x86 *c)
diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c
index 8f75893a6467..0cb7aadc87cd 100644
--- a/arch/x86/kernel/smp.c
+++ b/arch/x86/kernel/smp.c
@@ -231,7 +231,8 @@ native_smp_call_function_mask(cpumask_t mask,
        wmb();
        /* Send a message to other CPUs */
-        if (cpus_equal(mask, allbutself))
+        if (cpus_equal(mask, allbutself) &&
+            cpus_equal(cpu_online_map, cpu_callout_map))
                send_IPI_allbutself(CALL_FUNCTION_VECTOR);
        else
                send_IPI_mask(mask, CALL_FUNCTION_VECTOR);
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 6b087ab6cd8f..38988491c622 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -86,6 +86,7 @@ void *x86_bios_cpu_apicid_early_ptr;
 #ifdef CONFIG_X86_32
 u8 apicid_2_node[MAX_APICID];
+static int low_mappings;
 #endif
 /* State of each CPU */
@@ -326,6 +327,12 @@ static void __cpuinit start_secondary(void *unused)
                enable_8259A_irq(0);
        }
+#ifdef CONFIG_X86_32
+        while (low_mappings)
+                cpu_relax();
+        __flush_tlb_all();
+#endif
        /* This must be done before setting cpu_online_map */
        set_cpu_sibling_map(raw_smp_processor_id());
        wmb();
@@ -1040,14 +1047,20 @@ int __cpuinit native_cpu_up(unsigned int cpu)
 #ifdef CONFIG_X86_32
        /* init low mem mapping */
        clone_pgd_range(swapper_pg_dir, swapper_pg_dir + KERNEL_PGD_BOUNDARY,
-                        min_t(unsigned long, KERNEL_PGD_PTRS, KERNEL_PGD_BOUNDARY));
+                min_t(unsigned long, KERNEL_PGD_PTRS, KERNEL_PGD_BOUNDARY));
        flush_tlb_all();
-#endif
+        low_mappings = 1;
        err = do_boot_cpu(apicid, cpu);
-        if (err < 0) {
+        zap_low_mappings();
+        low_mappings = 0;
+#else
+        err = do_boot_cpu(apicid, cpu);
+#endif
+        if (err) {
                Dprintk("do_boot_cpu failed %d\n", err);
-                return err;
+                return -EIO;
        }
        /*
@@ -1259,9 +1272,6 @@ void __init native_smp_cpus_done(unsigned int max_cpus)
        setup_ioapic_dest();
 #endif
        check_nmi_watchdog();
-#ifdef CONFIG_X86_32
-        zap_low_mappings();
-#endif
 }
 #ifdef CONFIG_HOTPLUG_CPU
diff --git a/arch/x86/kernel/x8664_ksyms_64.c b/arch/x86/kernel/x8664_ksyms_64.c
index 58882f9f2637..f6c05d0410fb 100644
--- a/arch/x86/kernel/x8664_ksyms_64.c
+++ b/arch/x86/kernel/x8664_ksyms_64.c
@@ -2,6 +2,7 @@
   All C exports should go in the respective C files. */
 #include <linux/module.h>
+#include <net/checksum.h>
 #include <linux/smp.h>
 #include <asm/processor.h>
@@ -29,6 +30,8 @@ EXPORT_SYMBOL(__copy_from_user_inatomic);
 EXPORT_SYMBOL(copy_page);
 EXPORT_SYMBOL(clear_page);
+EXPORT_SYMBOL(csum_partial);
 /*
 * Export string functions. We normally rely on gcc builtin for most of these,
 * but gcc sometimes decides not to inline them.
diff --git a/arch/x86/lib/csum-partial_64.c b/arch/x86/lib/csum-partial_64.c
index bc503f506903..bf51144d97e1 100644
--- a/arch/x86/lib/csum-partial_64.c
+++ b/arch/x86/lib/csum-partial_64.c
@@ -136,8 +136,6 @@ __wsum csum_partial(const void *buff, int len, __wsum sum)
                                                (__force u32)sum);
 }
-EXPORT_SYMBOL(csum_partial);
 /*
 * this routine is used for miscellaneous IP-like checksums, mainly
 * in icmp.c
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index de236e419cb5..ec30d10154b6 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -438,8 +438,6 @@ void zap_low_mappings(void)
 {
        int i;
-        save_pg_dir();
        /*
         * Zap initial low-memory mappings.
         *
@@ -663,16 +661,8 @@ void __init mem_init(void)
                test_wp_bit();
        cpa_init();
+        save_pg_dir();
-        /*
-         * Subtle. SMP is doing it's boot stuff late (because it has to
-         * fork idle threads) - but it also needs low mappings for the
-         * protected-mode entry to work. We zap these entries only after
-         * the WP-bit has been tested.
-         */
-#ifndef CONFIG_SMP
        zap_low_mappings();
-#endif
 }
 #ifdef CONFIG_MEMORY_HOTPLUG
diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c
index 60adbe22efa0..bcb1a8e4b2db 100644
--- a/arch/x86/mm/pat.c
+++ b/arch/x86/mm/pat.c
@@ -555,7 +555,7 @@ int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn,
                "%s:%d /dev/mem ioremap_change_attr failed %s for %Lx-%Lx\n",
                        current->comm, current->pid,
                        cattr_name(flags),
-                        offset, offset + size);
+                        offset, (unsigned long long)(offset + size));
                return 0;
        }
@@ -576,7 +576,7 @@ void map_devmem(unsigned long pfn, unsigned long size, pgprot_t vma_prot)
                "%s:%d /dev/mem expected mapping type %s for %Lx-%Lx, got %s\n",
                        current->comm, current->pid,
                        cattr_name(want_flags),
-                        addr, addr + size,
+                        addr, (unsigned long long)(addr + size),
                        cattr_name(flags));
        }
 }
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index 8af0f0bae2af..10fb308fded8 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -301,15 +301,13 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
        prot = pgprot_val(vma->vm_page_prot);
        if (pat_wc_enabled && write_combine)
                prot |= _PAGE_CACHE_WC;
-        else if (pat_wc_enabled)
+        else if (pat_wc_enabled || boot_cpu_data.x86 > 3)
                /*
                 * ioremap() and ioremap_nocache() defaults to UC MINUS for now.
                 * To avoid attribute conflicts, request UC MINUS here
                 * aswell.
                 */
                prot |= _PAGE_CACHE_UC_MINUS;
-        else if (boot_cpu_data.x86 > 3)
-                prot |= _PAGE_CACHE_UC;
        vma->vm_page_prot = __pgprot(prot);
diff --git a/block/blk-core.c b/block/blk-core.c
index 2987fe47b5ee..6a9cc0d22a61 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -482,6 +482,7 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
        kobject_init(&q->kobj, &blk_queue_ktype);
        mutex_init(&q->sysfs_lock);
+        spin_lock_init(&q->__queue_lock);
        return q;
 }
@@ -544,10 +545,8 @@ blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id)
         * if caller didn't supply a lock, they get per-queue locking with
         * our embedded lock
         */
-        if (!lock) {
+        if (!lock)
-                spin_lock_init(&q->__queue_lock);
                lock = &q->__queue_lock;
-        }
        q->request_fn           = rfn;
        q->prep_rq_fn           = NULL;
diff --git a/block/blk-settings.c b/block/blk-settings.c
index bb93d4c32775..8dd86418f35d 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -286,8 +286,14 @@ void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b)
        t->max_hw_segments = min(t->max_hw_segments, b->max_hw_segments);
        t->max_segment_size = min(t->max_segment_size, b->max_segment_size);
        t->hardsect_size = max(t->hardsect_size, b->hardsect_size);
-        if (!test_bit(QUEUE_FLAG_CLUSTER, &b->queue_flags))
+        if (!t->queue_lock)
+                WARN_ON_ONCE(1);
+        else if (!test_bit(QUEUE_FLAG_CLUSTER, &b->queue_flags)) {
+                unsigned long flags;
+                spin_lock_irqsave(t->queue_lock, flags);
                queue_flag_clear(QUEUE_FLAG_CLUSTER, t);
+                spin_unlock_irqrestore(t->queue_lock, flags);
+        }
 }
 EXPORT_SYMBOL(blk_queue_stack_limits);
diff --git a/block/blktrace.c b/block/blktrace.c
index 568588cd16b2..b2cbb4e5d767 100644
--- a/block/blktrace.c
+++ b/block/blktrace.c
@@ -476,7 +476,7 @@ int blk_trace_ioctl(struct block_device *bdev, unsigned cmd, char __user *arg)
        switch (cmd) {
        case BLKTRACESETUP:
-                strcpy(b, bdevname(bdev, b));
+                bdevname(bdev, b);
                ret = blk_trace_setup(q, b, bdev->bd_dev, arg);
                break;
        case BLKTRACESTART:
diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c
index c70d0b6f666f..c23177e4623f 100644
--- a/block/compat_ioctl.c
+++ b/block/compat_ioctl.c
@@ -555,7 +555,7 @@ static int compat_blk_trace_setup(struct block_device *bdev, char __user *arg)
        if (copy_from_user(&cbuts, arg, sizeof(cbuts)))
                return -EFAULT;
-        strcpy(b, bdevname(bdev, b));
+        bdevname(bdev, b);
        buts = (struct blk_user_trace_setup) {
                .act_mask = cbuts.act_mask,
diff --git a/block/genhd.c b/block/genhd.c
index fda9c7a63c29..129ad939f9dd 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -653,7 +653,7 @@ void genhd_media_change_notify(struct gendisk *disk)
 EXPORT_SYMBOL_GPL(genhd_media_change_notify);
 #endif  /*  0  */
-dev_t blk_lookup_devt(const char *name)
+dev_t blk_lookup_devt(const char *name, int part)
 {
        struct device *dev;
        dev_t devt = MKDEV(0, 0);
@@ -661,7 +661,11 @@ dev_t blk_lookup_devt(const char *name)
        mutex_lock(&block_class_lock);
        list_for_each_entry(dev, &block_class.devices, node) {
                if (strcmp(dev->bus_id, name) == 0) {
-                        devt = dev->devt;
+                        struct gendisk *disk = dev_to_disk(dev);
+                        if (part < disk->minors)
+                                devt = MKDEV(MAJOR(dev->devt),
+                                             MINOR(dev->devt) + part);
                        break;
                }
        }
@@ -669,7 +673,6 @@ dev_t blk_lookup_devt(const char *name)
        return devt;
 }
 EXPORT_SYMBOL(blk_lookup_devt);
 struct gendisk *alloc_disk(int minors)
diff --git a/drivers/base/class.c b/drivers/base/class.c
index 0ef00e8d4153..e085af0ff94f 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -140,7 +140,6 @@ int class_register(struct class *cls)
        pr_debug("device class '%s': registering\n", cls->name);
-        INIT_LIST_HEAD(&cls->children);
        INIT_LIST_HEAD(&cls->devices);
        INIT_LIST_HEAD(&cls->interfaces);
        kset_init(&cls->class_dirs);
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 8ce6de5a7e28..937e8258981d 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -53,11 +53,13 @@ int register_memory_notifier(struct notifier_block *nb)
 {
        return blocking_notifier_chain_register(&memory_chain, nb);
 }
+EXPORT_SYMBOL(register_memory_notifier);
 void unregister_memory_notifier(struct notifier_block *nb)
 {
        blocking_notifier_chain_unregister(&memory_chain, nb);
 }
+EXPORT_SYMBOL(unregister_memory_notifier);
 /*
 * register_memory - Setup a sysfs device for a memory block
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 7b76fd3b93a4..45cc3d9eacb8 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -418,7 +418,7 @@ void __suspend_report_result(const char *function, void *fn, int ret)
 {
        if (ret) {
                printk(KERN_ERR "%s(): ", function);
-                print_fn_descriptor_symbol("%s() returns ", (unsigned long)fn);
+                print_fn_descriptor_symbol("%s returns ", fn);
                printk("%d\n", ret);
        }
 }
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 5dce3877eee5..595a925c62a9 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -196,6 +196,7 @@ config ESPSERIAL
 config MOXA_INTELLIO
        tristate "Moxa Intellio support"
        depends on SERIAL_NONSTANDARD && (ISA || EISA || PCI)
+        select FW_LOADER
        help
          Say Y here if you have a Moxa Intellio multiport serial card.
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 5a5455585c1d..192688344ed2 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2352,10 +2352,16 @@ static int __devinit ipmi_of_probe(struct of_device *dev,
        info->si_type           = (enum si_type) match->data;
        info->addr_source       = "device-tree";
-        info->io_setup          = mem_setup;
        info->irq_setup         = std_irq_setup;
-        info->io.addr_type      = IPMI_MEM_ADDR_SPACE;
+        if (resource.flags & IORESOURCE_IO) {
+                info->io_setup          = port_setup;
+                info->io.addr_type      = IPMI_IO_ADDR_SPACE;
+        } else {
+                info->io_setup          = mem_setup;
+                info->io.addr_type      = IPMI_MEM_ADDR_SPACE;
+        }
        info->io.addr_data      = resource.start;
        info->io.regsize        = regsize ? *regsize : DEFAULT_REGSIZE;
diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c
index 19105ec203f7..8096389b0dc2 100644
--- a/drivers/char/n_tty.c
+++ b/drivers/char/n_tty.c
@@ -282,16 +282,20 @@ static int opost(unsigned char c, struct tty_struct *tty)
                        if (O_ONLRET(tty))
                                tty->column = 0;
                        if (O_ONLCR(tty)) {
-                                if (space < 2)
+                                if (space < 2) {
+                                        unlock_kernel();
                                        return -1;
+                                }
                                tty_put_char(tty, '\r');
                                tty->column = 0;
                        }
                        tty->canon_column = tty->column;
                        break;
                case '\r':
-                        if (O_ONOCR(tty) && tty->column == 0)
+                        if (O_ONOCR(tty) && tty->column == 0) {
+                                unlock_kernel();
                                return 0;
+                        }
                        if (O_OCRNL(tty)) {
                                c = '\n';
                                if (O_ONLRET(tty))
@@ -303,10 +307,13 @@ static int opost(unsigned char c, struct tty_struct *tty)
                case '\t':
                        spaces = 8 - (tty->column & 7);
                        if (O_TABDLY(tty) == XTABS) {
-                                if (space < spaces)
+                                if (space < spaces) {
+                                        unlock_kernel();
                                        return -1;
+                                }
                                tty->column += spaces;
                                tty->ops->write(tty, "        ", spaces);
+                                unlock_kernel();
                                return 0;
                        }
                        tty->column += spaces;
diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index 2001b0e52dc6..55c1653be00c 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -916,7 +916,7 @@ static int put_char(struct tty_struct *tty, unsigned char ch)
 {
        struct slgt_info *info = tty->driver_data;
        unsigned long flags;
-        int ret;
+        int ret = 0;
        if (sanity_check(info, tty->name, "put_char"))
                return 0;
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 49c1a2267a55..e94bee032314 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1215,10 +1215,11 @@ int tty_check_change(struct tty_struct *tty)
        if (!tty->pgrp) {
                printk(KERN_WARNING "tty_check_change: tty->pgrp == NULL!\n");
-                goto out;
+                goto out_unlock;
        }
        if (task_pgrp(current) == tty->pgrp)
-                goto out;
+                goto out_unlock;
+        spin_unlock_irqrestore(&tty->ctrl_lock, flags);
        if (is_ignored(SIGTTOU))
                goto out;
        if (is_current_pgrp_orphaned()) {
@@ -1229,6 +1230,8 @@ int tty_check_change(struct tty_struct *tty)
        set_thread_flag(TIF_SIGPENDING);
        ret = -ERESTARTSYS;
 out:
+        return ret;
+out_unlock:
        spin_unlock_irqrestore(&tty->ctrl_lock, flags);
        return ret;
 }
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index f702f9152ce6..b4f3aefa12b6 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -1,8 +1,6 @@
 #
 # IDE ATA ATAPI Block device driver configuration
 #
-# Andre Hedrick <andre@linux-ide.org>
-#
 # Select HAVE_IDE if IDE is supported
 config HAVE_IDE
@@ -335,7 +333,7 @@ config BLK_DEV_CMD640
          This driver will work automatically in PCI based systems (most new
          systems have PCI slots). But if your system uses VESA local bus
          (VLB) instead of PCI, you must also supply a kernel boot parameter
-          to enable the CMD640 bugfix/support: "ide0=cmd640_vlb". (Try "man
+          to enable the CMD640 bugfix/support: "cmd640.probe_vlb". (Try "man
          bootparam" or see the documentation of your boot loader about how to
          pass options to the kernel.)
@@ -457,27 +455,11 @@ config BLK_DEV_ALI15X3
          onboard chipsets.  It also tests for Simplex mode and enables
          normal dual channel support.
-          If you say Y here, you also need to say Y to "Use DMA by default
+          Please read the comments at the top of
-          when available", above.  Please read the comments at the top of
          <file:drivers/ide/pci/alim15x3.c>.
          If unsure, say N.
-config WDC_ALI15X3
-        bool "ALI M15x3 WDC support (DANGEROUS)"
-        depends on BLK_DEV_ALI15X3
-        ---help---
-          This allows for UltraDMA support for WDC drives that ignore CRC
-          checking. You are a fool for enabling this option, but there have
-          been requests. DO NOT COMPLAIN IF YOUR DRIVE HAS FS CORRUPTION, IF
-          YOU ENABLE THIS! No one will listen, just laugh for ignoring this
-          SERIOUS WARNING.
-          Using this option can allow WDC drives to run at ATA-4/5 transfer
-          rates with only an ATA-2 support structure.
-          SAY N!
 config BLK_DEV_AMD74XX
        tristate "AMD and nVidia IDE support"
        depends on !ARM
@@ -520,9 +502,6 @@ config BLK_DEV_CY82C693
          This driver adds detection and support for the CY82C693 chipset
          used on Digital's PC-Alpha 164SX boards.
-          If you say Y here, you need to say Y to "Use DMA by default
-          when available" as well.
 config BLK_DEV_CS5520
        tristate "Cyrix CS5510/20 MediaGX chipset support (VERY EXPERIMENTAL)"
        depends on EXPERIMENTAL
@@ -613,13 +592,12 @@ config BLK_DEV_SC1200
          National SCx200 series of embedded x86 "Geode" systems.
 config BLK_DEV_PIIX
-        tristate "Intel PIIXn chipsets support"
+        tristate "Intel PIIX/ICH chipsets support"
        select BLK_DEV_IDEDMA_PCI
        help
-          This driver adds explicit support for Intel PIIX and ICH chips
+          This driver adds explicit support for Intel PIIX and ICH chips.
-          and also for the Efar Victory66 (slc90e66) chip.  This allows
+          This allows the kernel to change PIO, DMA and UDMA speeds and to
-          the kernel to change PIO, DMA and UDMA speeds and to configure
+          configure the chip to optimum performance.
-          the chip to optimum performance.
 config BLK_DEV_IT8213
        tristate "IT8213 IDE support"
@@ -657,11 +635,7 @@ config BLK_DEV_PDC202XX_OLD
          happen if the BIOS revisions of all installed cards (three-max) do
          not match, the driver attempts to do dynamic tuning of the chipset
          at boot-time for max-speed.  Ultra33 BIOS 1.25 or newer is required
-          for more than one card. This card may require that you say Y to
+          for more than one card.
-          "Special UDMA Feature".
-          If you say Y here, you need to say Y to "Use DMA by default when
-          available" as well.
          Please read the comments at the top of
          <file:drivers/ide/pci/pdc202xx_old.c>.
@@ -710,9 +684,6 @@ config BLK_DEV_SIS5513
          ATA100: SiS635, SiS645, SiS650, SiS730, SiS735, SiS740,
          SiS745, SiS750
-          If you say Y here, you need to say Y to "Use DMA by default when
-          available" as well.
          Please read the comments at the top of <file:drivers/ide/pci/sis5513.c>.
 config BLK_DEV_SL82C105
@@ -734,9 +705,6 @@ config BLK_DEV_SLC90E66
          and it will handle timing cycles.  Since this is an improved
          look-a-like to the PIIX4 it should be a nice addition.
-          If you say Y here, you need to say Y to "Use DMA by default when
-          available" as well.
          Please read the comments at the top of
          <file:drivers/ide/pci/slc90e66.c>.
@@ -888,17 +856,17 @@ config BLK_DEV_IDEDOUBLER
        bool "Amiga IDE Doubler support (EXPERIMENTAL)"
        depends on BLK_DEV_GAYLE && EXPERIMENTAL
        ---help---
-          This driver provides support for the so-called `IDE doublers' (made
+          This feature provides support for the so-called `IDE doublers' (made
          by various manufacturers, e.g. Eyetech) that can be connected to
          the on-board IDE interface of some Amiga models. Using such an IDE
          doubler, you can connect up to four instead of two IDE devices to
          the Amiga's on-board IDE interface.
          Note that the normal Amiga Gayle IDE driver may not work correctly
-          if you have an IDE doubler and don't enable this driver!
+          if you have an IDE doubler and don't enable this feature!
-          Say Y if you have an IDE doubler.  The driver is enabled at kernel
+          Say Y if you have an IDE doubler.  The feature is enabled at kernel
-          runtime using the "ide=doubler" kernel boot parameter.
+          runtime using the "gayle.doubler" kernel boot parameter.
 config BLK_DEV_BUDDHA
        tristate "Buddha/Catweasel/X-Surf IDE interface support (EXPERIMENTAL)"
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index 57d9a9a79a6f..0daf923541ff 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -95,7 +95,7 @@ void SELECT_DRIVE (ide_drive_t *drive)
        hwif->OUTB(drive->select.all, hwif->io_ports.device_addr);
 }
-void SELECT_MASK (ide_drive_t *drive, int mask)
+static void SELECT_MASK(ide_drive_t *drive, int mask)
 {
        const struct ide_port_ops *port_ops = drive->hwif->port_ops;
diff --git a/drivers/ide/mips/swarm.c b/drivers/ide/mips/swarm.c
index 712d17bdd470..52fee3d2771a 100644
--- a/drivers/ide/mips/swarm.c
+++ b/drivers/ide/mips/swarm.c
@@ -4,7 +4,7 @@
 *      Author: Manish Lachwani, mlachwani@mvista.com
 * Copyright (C) 2004  MIPS Technologies, Inc.  All rights reserved.
 *      Author: Maciej W. Rozycki <macro@mips.com>
- * Copyright (c) 2006  Maciej W. Rozycki
+ * Copyright (c) 2006, 2008  Maciej W. Rozycki
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
@@ -70,8 +70,9 @@ static int __devinit swarm_ide_probe(struct device *dev)
        ide_hwif_t *hwif;
        u8 __iomem *base;
        phys_t offset, size;
+        hw_regs_t hw;
        int i;
-        u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
+        u8 idx[] = { 0xff, 0xff, 0xff, 0xff };
        if (!SIBYTE_HAVE_IDE)
                return -ENODEV;
@@ -112,14 +113,15 @@ static int __devinit swarm_ide_probe(struct device *dev)
        hwif->host_flags = IDE_HFLAG_MMIO;
        default_hwif_mmiops(hwif);
-        hwif->chipset = ide_generic;
        for (i = 0; i <= 7; i++)
-                hwif->io_ports_array[i] =
+                hw.io_ports_array[i] =
                                (unsigned long)(base + ((0x1f0 + i) << 5));
-        hwif->io_ports.ctl_addr =
+        hw.io_ports.ctl_addr =
                                (unsigned long)(base + (0x3f6 << 5));
-        hwif->irq = K_INT_GB_IDE;
+        hw.irq = K_INT_GB_IDE;
+        hw.chipset = ide_generic;
+        ide_init_port_hw(hwif, &hw);
        idx[0] = hwif->index;
diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c
index c1922f9cfe80..f2129d5e07f2 100644
--- a/drivers/ide/pci/alim15x3.c
+++ b/drivers/ide/pci/alim15x3.c
@@ -39,6 +39,16 @@
 #include <asm/io.h>
 /*
+ * Allow UDMA on M1543C-E chipset for WDC disks that ignore CRC checking
+ * (this is DANGEROUS and could result in data corruption).
+ */
+static int wdc_udma;
+module_param(wdc_udma, bool, 0);
+MODULE_PARM_DESC(wdc_udma,
+                 "allow UDMA on M1543C-E chipset for WDC disks (DANGEROUS)");
+/*
 *      ALi devices are not plug in. Otherwise these static values would
 *      need to go. They ought to go away anyway
 */
@@ -76,11 +86,6 @@ static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio)
                a_clc = 0;
        c_time = ide_pio_timings[pio].cycle_time;
-#if 0
-        if ((r_clc = ((c_time - s_time - a_time) * bus_speed + 999) / 1000) >= 16)
-                r_clc = 0;
-#endif
        if (!(r_clc = (c_time * bus_speed + 999) / 1000 - a_clc - s_clc)) {
                r_clc = 1;
        } else {
@@ -110,16 +115,6 @@ static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio)
        pci_write_config_byte(dev, port, s_clc);
        pci_write_config_byte(dev, port+drive->select.b.unit+2, (a_clc << 4) | r_clc);
        local_irq_restore(flags);
-        /*
-         * setup   active  rec
-         * { 70,   165,    365 },   PIO Mode 0
-         * { 50,   125,    208 },   PIO Mode 1
-         * { 30,   100,    110 },   PIO Mode 2
-         * { 30,   80,     70  },   PIO Mode 3 with IORDY
-         * { 25,   70,     25  },   PIO Mode 4 with IORDY  ns
-         * { 20,   50,     30  }    PIO Mode 5 with IORDY (nonstandard)
-         */
 }
 /**
@@ -131,9 +126,7 @@ static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio)
 *      The actual rules for the ALi are:
 *              No UDMA on revisions <= 0x20
 *              Disk only for revisions < 0xC2
- *              Not WDC drives for revisions < 0xC2
+ *              Not WDC drives on M1543C-E (?)
- *
- *      FIXME: WDC ifdef needs to die
 */
 static u8 ali_udma_filter(ide_drive_t *drive)
@@ -141,10 +134,9 @@ static u8 ali_udma_filter(ide_drive_t *drive)
        if (m5229_revision > 0x20 && m5229_revision < 0xC2) {
                if (drive->media != ide_disk)
                        return 0;
-#ifndef CONFIG_WDC_ALI15X3
+                if (chip_is_1543c_e && strstr(drive->id->model, "WDC ") &&
-                if (chip_is_1543c_e && strstr(drive->id->model, "WDC "))
+                    wdc_udma == 0)
                        return 0;
-#endif
        }
        return drive->hwif->ultra_mask;
@@ -537,17 +529,9 @@ static const struct ide_port_info ali15x3_chipset __devinitdata = {
 
 static int __devinit alim15x3_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
-        static struct pci_device_id ati_rs100[] = {
-                { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS100) },
-                { },
-        };
        struct ide_port_info d = ali15x3_chipset;
        u8 rev = dev->revision, idx = id->driver_data;
-        if (pci_dev_present(ati_rs100))
-                printk(KERN_WARNING "alim15x3: ATI Radeon IGP Northbridge is not yet fully tested.\n");
        /* don't use LBA48 DMA on ALi devices before rev 0xC5 */
        if (rev <= 0xC4)
                d.host_flags |= IDE_HFLAG_NO_LBA48_DMA;
diff --git a/drivers/ide/pci/cs5520.c b/drivers/ide/pci/cs5520.c
index 17669a434438..992b1cf8db69 100644
--- a/drivers/ide/pci/cs5520.c
+++ b/drivers/ide/pci/cs5520.c
@@ -119,6 +119,7 @@ static const struct ide_dma_ops cs5520_dma_ops = {
        .dma_timeout            = ide_dma_timeout,
 };
+/* FIXME: VDMA is disabled because it caused system hangs */
 #define DECLARE_CS_DEV(name_str)                                \
        {                                                       \
                .name           = name_str,                     \
@@ -126,7 +127,6 @@ static const struct ide_dma_ops cs5520_dma_ops = {
                .dma_ops        = &cs5520_dma_ops,              \
                .host_flags     = IDE_HFLAG_ISA_PORTS |         \
                                  IDE_HFLAG_CS5520 |            \
-                                  IDE_HFLAG_VDMA |              \
                                  IDE_HFLAG_NO_ATAPI_DMA |      \
                                  IDE_HFLAG_ABUSE_SET_DMA_MODE, \
                .pio_mask       = ATA_PIO4,                     \
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c
index ebf9d3043f80..3f441fc57c17 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c
@@ -405,11 +405,11 @@ int cxio_flush_sq(struct t3_wq *wq, struct t3_cq *cq, int count)
        struct t3_swsq *sqp = wq->sq + Q_PTR2IDX(wq->sq_rptr, wq->sq_size_log2);
        ptr = wq->sq_rptr + count;
-        sqp += count;
+        sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2);
        while (ptr != wq->sq_wptr) {
                insert_sq_cqe(wq, cq, sqp);
-                sqp++;
                ptr++;
+                sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2);
                flushed++;
        }
        return flushed;
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index ce7b7c34360e..daad09a45910 100644
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -1894,7 +1894,7 @@ void ipath_cancel_sends(struct ipath_devdata *dd, int restore_sendctrl)
         */
        if (dd->ipath_flags & IPATH_HAS_SEND_DMA) {
                int skip_cancel;
-                u64 *statp = &dd->ipath_sdma_status;
+                unsigned long *statp = &dd->ipath_sdma_status;
                spin_lock_irqsave(&dd->ipath_sdma_lock, flags);
                skip_cancel =
@@ -2616,7 +2616,7 @@ int ipath_reset_device(int unit)
                                ipath_dbg("unit %u port %d is in use "
                                          "(PID %u cmd %s), can't reset\n",
                                          unit, i,
-                                          dd->ipath_pd[i]->port_pid,
+                                          pid_nr(dd->ipath_pd[i]->port_pid),
                                          dd->ipath_pd[i]->port_comm);
                                ret = -EBUSY;
                                goto bail;
@@ -2654,19 +2654,21 @@ bail:
 static int ipath_signal_procs(struct ipath_devdata *dd, int sig)
 {
        int i, sub, any = 0;
-        pid_t pid;
+        struct pid *pid;
        if (!dd->ipath_pd)
                return 0;
        for (i = 1; i < dd->ipath_cfgports; i++) {
-                if (!dd->ipath_pd[i] || !dd->ipath_pd[i]->port_cnt ||
+                if (!dd->ipath_pd[i] || !dd->ipath_pd[i]->port_cnt)
-                    !dd->ipath_pd[i]->port_pid)
                        continue;
                pid = dd->ipath_pd[i]->port_pid;
+                if (!pid)
+                        continue;
                dev_info(&dd->pcidev->dev, "context %d in use "
                          "(PID %u), sending signal %d\n",
-                          i, pid, sig);
+                          i, pid_nr(pid), sig);
-                kill_proc(pid, sig, 1);
+                kill_pid(pid, sig, 1);
                any++;
                for (sub = 0; sub < INFINIPATH_MAX_SUBPORT; sub++) {
                        pid = dd->ipath_pd[i]->port_subpid[sub];
@@ -2674,8 +2676,8 @@ static int ipath_signal_procs(struct ipath_devdata *dd, int sig)
                                continue;
                        dev_info(&dd->pcidev->dev, "sub-context "
                                "%d:%d in use (PID %u), sending "
-                                "signal %d\n", i, sub, pid, sig);
+                                "signal %d\n", i, sub, pid_nr(pid), sig);
-                        kill_proc(pid, sig, 1);
+                        kill_pid(pid, sig, 1);
                        any++;
                }
        }
diff --git a/drivers/infiniband/hw/ipath/ipath_file_ops.c b/drivers/infiniband/hw/ipath/ipath_file_ops.c
index 3295177c937e..b472b15637f0 100644
--- a/drivers/infiniband/hw/ipath/ipath_file_ops.c
+++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c
@@ -555,7 +555,7 @@ static int ipath_tid_free(struct ipath_portdata *pd, unsigned subport,
                        p = dd->ipath_pageshadow[porttid + tid];
                        dd->ipath_pageshadow[porttid + tid] = NULL;
                        ipath_cdbg(VERBOSE, "PID %u freeing TID %u\n",
-                                   pd->port_pid, tid);
+                                   pid_nr(pd->port_pid), tid);
                        dd->ipath_f_put_tid(dd, &tidbase[tid],
                                            RCVHQ_RCV_TYPE_EXPECTED,
                                            dd->ipath_tidinvalid);
@@ -1609,7 +1609,7 @@ static int try_alloc_port(struct ipath_devdata *dd, int port,
                           port);
                pd->port_cnt = 1;
                port_fp(fp) = pd;
-                pd->port_pid = current->pid;
+                pd->port_pid = get_pid(task_pid(current));
                strncpy(pd->port_comm, current->comm, sizeof(pd->port_comm));
                ipath_stats.sps_ports++;
                ret = 0;
@@ -1793,14 +1793,15 @@ static int find_shared_port(struct file *fp,
                        }
                        port_fp(fp) = pd;
                        subport_fp(fp) = pd->port_cnt++;
-                        pd->port_subpid[subport_fp(fp)] = current->pid;
+                        pd->port_subpid[subport_fp(fp)] =
+                                get_pid(task_pid(current));
                        tidcursor_fp(fp) = 0;
                        pd->active_slaves |= 1 << subport_fp(fp);
                        ipath_cdbg(PROC,
                                   "%s[%u] %u sharing %s[%u] unit:port %u:%u\n",
                                   current->comm, current->pid,
                                   subport_fp(fp),
-                                   pd->port_comm, pd->port_pid,
+                                   pd->port_comm, pid_nr(pd->port_pid),
                                   dd->ipath_unit, pd->port_port);
                        ret = 1;
                        goto done;
@@ -2066,7 +2067,8 @@ static int ipath_close(struct inode *in, struct file *fp)
                 * the slave(s) don't wait for receive data forever.
                 */
                pd->active_slaves &= ~(1 << fd->subport);
-                pd->port_subpid[fd->subport] = 0;
+                put_pid(pd->port_subpid[fd->subport]);
+                pd->port_subpid[fd->subport] = NULL;
                mutex_unlock(&ipath_mutex);
                goto bail;
        }
@@ -2074,7 +2076,7 @@ static int ipath_close(struct inode *in, struct file *fp)
        if (pd->port_hdrqfull) {
                ipath_cdbg(PROC, "%s[%u] had %u rcvhdrqfull errors "
-                           "during run\n", pd->port_comm, pd->port_pid,
+                           "during run\n", pd->port_comm, pid_nr(pd->port_pid),
                           pd->port_hdrqfull);
                pd->port_hdrqfull = 0;
        }
@@ -2134,11 +2136,12 @@ static int ipath_close(struct inode *in, struct file *fp)
                        unlock_expected_tids(pd);
                ipath_stats.sps_ports--;
                ipath_cdbg(PROC, "%s[%u] closed port %u:%u\n",
-                           pd->port_comm, pd->port_pid,
+                           pd->port_comm, pid_nr(pd->port_pid),
                           dd->ipath_unit, port);
        }
-        pd->port_pid = 0;
+        put_pid(pd->port_pid);
+        pd->port_pid = NULL;
        dd->ipath_pd[pd->port_port] = NULL; /* before releasing mutex */
        mutex_unlock(&ipath_mutex);
        ipath_free_pddata(dd, pd); /* after releasing the mutex */
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index 02b24a340599..59a8b254b97f 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -159,8 +159,8 @@ struct ipath_portdata {
        /* saved total number of polled urgent packets for poll edge trigger */
        u32 port_urgent_poll;
        /* pid of process using this port */
-        pid_t port_pid;
+        struct pid *port_pid;
-        pid_t port_subpid[INFINIPATH_MAX_SUBPORT];
+        struct pid *port_subpid[INFINIPATH_MAX_SUBPORT];
        /* same size as task_struct .comm[] */
        char port_comm[16];
        /* pkeys set by this use of this port */
@@ -483,7 +483,7 @@ struct ipath_devdata {
        /* SendDMA related entries */
        spinlock_t            ipath_sdma_lock;
-        u64                   ipath_sdma_status;
+        unsigned long         ipath_sdma_status;
        unsigned long         ipath_sdma_abort_jiffies;
        unsigned long         ipath_sdma_abort_intr_timeout;
        unsigned long         ipath_sdma_buf_jiffies;
@@ -822,8 +822,8 @@ struct ipath_devdata {
 #define IPATH_SDMA_DISARMED  1
 #define IPATH_SDMA_DISABLED  2
 #define IPATH_SDMA_LAYERBUF  3
-#define IPATH_SDMA_RUNNING  62
+#define IPATH_SDMA_RUNNING  30
-#define IPATH_SDMA_SHUTDOWN 63
+#define IPATH_SDMA_SHUTDOWN 31
 /* bit combinations that correspond to abort states */
 #define IPATH_SDMA_ABORT_NONE 0
diff --git a/drivers/infiniband/hw/ipath/ipath_qp.c b/drivers/infiniband/hw/ipath/ipath_qp.c
index dd5b6e9d57c2..4715911101e4 100644
--- a/drivers/infiniband/hw/ipath/ipath_qp.c
+++ b/drivers/infiniband/hw/ipath/ipath_qp.c
@@ -242,7 +242,6 @@ static void ipath_free_qp(struct ipath_qp_table *qpt, struct ipath_qp *qp)
 {
        struct ipath_qp *q, **qpp;
        unsigned long flags;
-        int fnd = 0;
        spin_lock_irqsave(&qpt->lock, flags);
@@ -253,51 +252,40 @@ static void ipath_free_qp(struct ipath_qp_table *qpt, struct ipath_qp *qp)
                        *qpp = qp->next;
                        qp->next = NULL;
                        atomic_dec(&qp->refcount);
-                        fnd = 1;
                        break;
                }
        }
        spin_unlock_irqrestore(&qpt->lock, flags);
-        if (!fnd)
-                return;
-        free_qpn(qpt, qp->ibqp.qp_num);
-        wait_event(qp->wait, !atomic_read(&qp->refcount));
 }
 /**
- * ipath_free_all_qps - remove all QPs from the table
+ * ipath_free_all_qps - check for QPs still in use
 * @qpt: the QP table to empty
+ *
+ * There should not be any QPs still in use.
+ * Free memory for table.
 */
-void ipath_free_all_qps(struct ipath_qp_table *qpt)
+unsigned ipath_free_all_qps(struct ipath_qp_table *qpt)
 {
        unsigned long flags;
-        struct ipath_qp *qp, *nqp;
+        struct ipath_qp *qp;
-        u32 n;
+        u32 n, qp_inuse = 0;
+        spin_lock_irqsave(&qpt->lock, flags);
        for (n = 0; n < qpt->max; n++) {
-                spin_lock_irqsave(&qpt->lock, flags);
                qp = qpt->table[n];
                qpt->table[n] = NULL;
-                spin_unlock_irqrestore(&qpt->lock, flags);
+                for (; qp; qp = qp->next)
-                while (qp) {
+                        qp_inuse++;
-                        nqp = qp->next;
-                        free_qpn(qpt, qp->ibqp.qp_num);
-                        if (!atomic_dec_and_test(&qp->refcount) ||
-                            !ipath_destroy_qp(&qp->ibqp))
-                                ipath_dbg("QP memory leak!\n");
-                        qp = nqp;
-                }
        }
+        spin_unlock_irqrestore(&qpt->lock, flags);
-        for (n = 0; n < ARRAY_SIZE(qpt->map); n++) {
+        for (n = 0; n < ARRAY_SIZE(qpt->map); n++)
                if (qpt->map[n].page)
-                        free_page((unsigned long)qpt->map[n].page);
+                        free_page((unsigned long) qpt->map[n].page);
-        }
+        return qp_inuse;
 }
 /**
@@ -336,11 +324,12 @@ static void ipath_reset_qp(struct ipath_qp *qp, enum ib_qp_type type)
        qp->remote_qpn = 0;
        qp->qkey = 0;
        qp->qp_access_flags = 0;
-        qp->s_busy = 0;
+        atomic_set(&qp->s_dma_busy, 0);
        qp->s_flags &= IPATH_S_SIGNAL_REQ_WR;
        qp->s_hdrwords = 0;
        qp->s_wqe = NULL;
        qp->s_pkt_delay = 0;
+        qp->s_draining = 0;
        qp->s_psn = 0;
        qp->r_psn = 0;
        qp->r_msn = 0;
@@ -353,7 +342,8 @@ static void ipath_reset_qp(struct ipath_qp *qp, enum ib_qp_type type)
        }
        qp->s_ack_state = IB_OPCODE_RC_ACKNOWLEDGE;
        qp->r_nak_state = 0;
-        qp->r_wrid_valid = 0;
+        qp->r_aflags = 0;
+        qp->r_flags = 0;
        qp->s_rnr_timeout = 0;
        qp->s_head = 0;
        qp->s_tail = 0;
@@ -361,7 +351,6 @@ static void ipath_reset_qp(struct ipath_qp *qp, enum ib_qp_type type)
        qp->s_last = 0;
        qp->s_ssn = 1;
        qp->s_lsn = 0;
-        qp->s_wait_credit = 0;
        memset(qp->s_ack_queue, 0, sizeof(qp->s_ack_queue));
        qp->r_head_ack_queue = 0;
        qp->s_tail_ack_queue = 0;
@@ -370,17 +359,17 @@ static void ipath_reset_qp(struct ipath_qp *qp, enum ib_qp_type type)
                qp->r_rq.wq->head = 0;
                qp->r_rq.wq->tail = 0;
        }
-        qp->r_reuse_sge = 0;
 }
 /**
- * ipath_error_qp - put a QP into an error state
+ * ipath_error_qp - put a QP into the error state
- * @qp: the QP to put into an error state
+ * @qp: the QP to put into the error state
 * @err: the receive completion error to signal if a RWQE is active
 *
 * Flushes both send and receive work queues.
 * Returns true if last WQE event should be generated.
 * The QP s_lock should be held and interrupts disabled.
+ * If we are already in error state, just return.
 */
 int ipath_error_qp(struct ipath_qp *qp, enum ib_wc_status err)
@@ -389,8 +378,10 @@ int ipath_error_qp(struct ipath_qp *qp, enum ib_wc_status err)
        struct ib_wc wc;
        int ret = 0;
-        ipath_dbg("QP%d/%d in error state (%d)\n",
+        if (qp->state == IB_QPS_ERR)
-                  qp->ibqp.qp_num, qp->remote_qpn, err);
+                goto bail;
+        qp->state = IB_QPS_ERR;
        spin_lock(&dev->pending_lock);
        if (!list_empty(&qp->timerwait))
@@ -399,39 +390,21 @@ int ipath_error_qp(struct ipath_qp *qp, enum ib_wc_status err)
                list_del_init(&qp->piowait);
        spin_unlock(&dev->pending_lock);
-        wc.vendor_err = 0;
+        /* Schedule the sending tasklet to drain the send work queue. */
-        wc.byte_len = 0;
+        if (qp->s_last != qp->s_head)
-        wc.imm_data = 0;
+                ipath_schedule_send(qp);
+        memset(&wc, 0, sizeof(wc));
        wc.qp = &qp->ibqp;
-        wc.src_qp = 0;
+        wc.opcode = IB_WC_RECV;
-        wc.wc_flags = 0;
-        wc.pkey_index = 0;
+        if (test_and_clear_bit(IPATH_R_WRID_VALID, &qp->r_aflags)) {
-        wc.slid = 0;
-        wc.sl = 0;
-        wc.dlid_path_bits = 0;
-        wc.port_num = 0;
-        if (qp->r_wrid_valid) {
-                qp->r_wrid_valid = 0;
                wc.wr_id = qp->r_wr_id;
-                wc.opcode = IB_WC_RECV;
                wc.status = err;
                ipath_cq_enter(to_icq(qp->ibqp.recv_cq), &wc, 1);
        }
        wc.status = IB_WC_WR_FLUSH_ERR;
-        while (qp->s_last != qp->s_head) {
-                struct ipath_swqe *wqe = get_swqe_ptr(qp, qp->s_last);
-                wc.wr_id = wqe->wr.wr_id;
-                wc.opcode = ib_ipath_wc_opcode[wqe->wr.opcode];
-                if (++qp->s_last >= qp->s_size)
-                        qp->s_last = 0;
-                ipath_cq_enter(to_icq(qp->ibqp.send_cq), &wc, 1);
-        }
-        qp->s_cur = qp->s_tail = qp->s_head;
-        qp->s_hdrwords = 0;
-        qp->s_ack_state = IB_OPCODE_RC_ACKNOWLEDGE;
        if (qp->r_rq.wq) {
                struct ipath_rwq *wq;
                u32 head;
@@ -447,7 +420,6 @@ int ipath_error_qp(struct ipath_qp *qp, enum ib_wc_status err)
                tail = wq->tail;
                if (tail >= qp->r_rq.size)
                        tail = 0;
-                wc.opcode = IB_WC_RECV;
                while (tail != head) {
                        wc.wr_id = get_rwqe_ptr(&qp->r_rq, tail)->wr_id;
                        if (++tail >= qp->r_rq.size)
@@ -460,6 +432,7 @@ int ipath_error_qp(struct ipath_qp *qp, enum ib_wc_status err)
        } else if (qp->ibqp.event_handler)
                ret = 1;
+bail:
        return ret;
 }
@@ -478,11 +451,10 @@ int ipath_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
        struct ipath_ibdev *dev = to_idev(ibqp->device);
        struct ipath_qp *qp = to_iqp(ibqp);
        enum ib_qp_state cur_state, new_state;
-        unsigned long flags;
        int lastwqe = 0;
        int ret;
-        spin_lock_irqsave(&qp->s_lock, flags);
+        spin_lock_irq(&qp->s_lock);
        cur_state = attr_mask & IB_QP_CUR_STATE ?
                attr->cur_qp_state : qp->state;
@@ -535,16 +507,42 @@ int ipath_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
        switch (new_state) {
        case IB_QPS_RESET:
+                if (qp->state != IB_QPS_RESET) {
+                        qp->state = IB_QPS_RESET;
+                        spin_lock(&dev->pending_lock);
+                        if (!list_empty(&qp->timerwait))
+                                list_del_init(&qp->timerwait);
+                        if (!list_empty(&qp->piowait))
+                                list_del_init(&qp->piowait);
+                        spin_unlock(&dev->pending_lock);
+                        qp->s_flags &= ~IPATH_S_ANY_WAIT;
+                        spin_unlock_irq(&qp->s_lock);
+                        /* Stop the sending tasklet */
+                        tasklet_kill(&qp->s_task);
+                        wait_event(qp->wait_dma, !atomic_read(&qp->s_dma_busy));
+                        spin_lock_irq(&qp->s_lock);
+                }
                ipath_reset_qp(qp, ibqp->qp_type);
                break;
+        case IB_QPS_SQD:
+                qp->s_draining = qp->s_last != qp->s_cur;
+                qp->state = new_state;
+                break;
+        case IB_QPS_SQE:
+                if (qp->ibqp.qp_type == IB_QPT_RC)
+                        goto inval;
+                qp->state = new_state;
+                break;
        case IB_QPS_ERR:
                lastwqe = ipath_error_qp(qp, IB_WC_WR_FLUSH_ERR);
                break;
        default:
+                qp->state = new_state;
                break;
        }
        if (attr_mask & IB_QP_PKEY_INDEX)
@@ -597,8 +595,7 @@ int ipath_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
        if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC)
                qp->s_max_rd_atomic = attr->max_rd_atomic;
-        qp->state = new_state;
+        spin_unlock_irq(&qp->s_lock);
-        spin_unlock_irqrestore(&qp->s_lock, flags);
        if (lastwqe) {
                struct ib_event ev;
@@ -612,7 +609,7 @@ int ipath_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
        goto bail;
 inval:
-        spin_unlock_irqrestore(&qp->s_lock, flags);
+        spin_unlock_irq(&qp->s_lock);
        ret = -EINVAL;
 bail:
@@ -643,7 +640,7 @@ int ipath_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
        attr->pkey_index = qp->s_pkey_index;
        attr->alt_pkey_index = 0;
        attr->en_sqd_async_notify = 0;
-        attr->sq_draining = 0;
+        attr->sq_draining = qp->s_draining;
        attr->max_rd_atomic = qp->s_max_rd_atomic;
        attr->max_dest_rd_atomic = qp->r_max_rd_atomic;
        attr->min_rnr_timer = qp->r_min_rnr_timer;
@@ -833,6 +830,7 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd,
                spin_lock_init(&qp->r_rq.lock);
                atomic_set(&qp->refcount, 0);
                init_waitqueue_head(&qp->wait);
+                init_waitqueue_head(&qp->wait_dma);
                tasklet_init(&qp->s_task, ipath_do_send, (unsigned long)qp);
                INIT_LIST_HEAD(&qp->piowait);
                INIT_LIST_HEAD(&qp->timerwait);
@@ -926,6 +924,7 @@ bail_ip:
        else
                vfree(qp->r_rq.wq);
        ipath_free_qp(&dev->qp_table, qp);
+        free_qpn(&dev->qp_table, qp->ibqp.qp_num);
 bail_qp:
        kfree(qp);
 bail_swq:
@@ -947,41 +946,44 @@ int ipath_destroy_qp(struct ib_qp *ibqp)
 {
        struct ipath_qp *qp = to_iqp(ibqp);
        struct ipath_ibdev *dev = to_idev(ibqp->device);
-        unsigned long flags;
-        spin_lock_irqsave(&qp->s_lock, flags);
+        /* Make sure HW and driver activity is stopped. */
-        qp->state = IB_QPS_ERR;
+        spin_lock_irq(&qp->s_lock);
-        spin_unlock_irqrestore(&qp->s_lock, flags);
+        if (qp->state != IB_QPS_RESET) {
-        spin_lock(&dev->n_qps_lock);
+                qp->state = IB_QPS_RESET;
-        dev->n_qps_allocated--;
+                spin_lock(&dev->pending_lock);
-        spin_unlock(&dev->n_qps_lock);
+                if (!list_empty(&qp->timerwait))
+                        list_del_init(&qp->timerwait);
+                if (!list_empty(&qp->piowait))
+                        list_del_init(&qp->piowait);
+                spin_unlock(&dev->pending_lock);
+                qp->s_flags &= ~IPATH_S_ANY_WAIT;
+                spin_unlock_irq(&qp->s_lock);
+                /* Stop the sending tasklet */
+                tasklet_kill(&qp->s_task);
+                wait_event(qp->wait_dma, !atomic_read(&qp->s_dma_busy));
+        } else
+                spin_unlock_irq(&qp->s_lock);
-        /* Stop the sending tasklet. */
+        ipath_free_qp(&dev->qp_table, qp);
-        tasklet_kill(&qp->s_task);
        if (qp->s_tx) {
                atomic_dec(&qp->refcount);
                if (qp->s_tx->txreq.flags & IPATH_SDMA_TXREQ_F_FREEBUF)
                        kfree(qp->s_tx->txreq.map_addr);
+                spin_lock_irq(&dev->pending_lock);
+                list_add(&qp->s_tx->txreq.list, &dev->txreq_free);
+                spin_unlock_irq(&dev->pending_lock);
+                qp->s_tx = NULL;
        }
-        /* Make sure the QP isn't on the timeout list. */
+        wait_event(qp->wait, !atomic_read(&qp->refcount));
-        spin_lock_irqsave(&dev->pending_lock, flags);
-        if (!list_empty(&qp->timerwait))
-                list_del_init(&qp->timerwait);
-        if (!list_empty(&qp->piowait))
-                list_del_init(&qp->piowait);
-        if (qp->s_tx)
-                list_add(&qp->s_tx->txreq.list, &dev->txreq_free);
-        spin_unlock_irqrestore(&dev->pending_lock, flags);
-        /*
+        /* all user's cleaned up, mark it available */
-         * Make sure that the QP is not in the QPN table so receive
+        free_qpn(&dev->qp_table, qp->ibqp.qp_num);
-         * interrupts will discard packets for this QP.  XXX Also remove QP
+        spin_lock(&dev->n_qps_lock);
-         * from multicast table.
+        dev->n_qps_allocated--;
-         */
+        spin_unlock(&dev->n_qps_lock);
-        if (atomic_read(&qp->refcount) != 0)
-                ipath_free_qp(&dev->qp_table, qp);
        if (qp->ip)
                kref_put(&qp->ip->ref, ipath_release_mmap_info);
@@ -1026,48 +1028,6 @@ bail:
 }
 /**
- * ipath_sqerror_qp - put a QP's send queue into an error state
- * @qp: QP who's send queue will be put into an error state
- * @wc: the WC responsible for putting the QP in this state
- *
- * Flushes the send work queue.
- * The QP s_lock should be held and interrupts disabled.
- */
-void ipath_sqerror_qp(struct ipath_qp *qp, struct ib_wc *wc)
-{
-        struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
-        struct ipath_swqe *wqe = get_swqe_ptr(qp, qp->s_last);
-        ipath_dbg("Send queue error on QP%d/%d: err: %d\n",
-                  qp->ibqp.qp_num, qp->remote_qpn, wc->status);
-        spin_lock(&dev->pending_lock);
-        if (!list_empty(&qp->timerwait))
-                list_del_init(&qp->timerwait);
-        if (!list_empty(&qp->piowait))
-                list_del_init(&qp->piowait);
-        spin_unlock(&dev->pending_lock);
-        ipath_cq_enter(to_icq(qp->ibqp.send_cq), wc, 1);
-        if (++qp->s_last >= qp->s_size)
-                qp->s_last = 0;
-        wc->status = IB_WC_WR_FLUSH_ERR;
-        while (qp->s_last != qp->s_head) {
-                wqe = get_swqe_ptr(qp, qp->s_last);
-                wc->wr_id = wqe->wr.wr_id;
-                wc->opcode = ib_ipath_wc_opcode[wqe->wr.opcode];
-                ipath_cq_enter(to_icq(qp->ibqp.send_cq), wc, 1);
-                if (++qp->s_last >= qp->s_size)
-                        qp->s_last = 0;
-        }
-        qp->s_cur = qp->s_tail = qp->s_head;
-        qp->state = IB_QPS_SQE;
-}
-/**
 * ipath_get_credit - flush the send work queue of a QP
 * @qp: the qp who's send work queue to flush
 * @aeth: the Acknowledge Extended Transport Header
@@ -1093,9 +1053,10 @@ void ipath_get_credit(struct ipath_qp *qp, u32 aeth)
        }
        /* Restart sending if it was blocked due to lack of credits. */
-        if (qp->s_cur != qp->s_head &&
+        if ((qp->s_flags & IPATH_S_WAIT_SSN_CREDIT) &&
+            qp->s_cur != qp->s_head &&
            (qp->s_lsn == (u32) -1 ||
             ipath_cmp24(get_swqe_ptr(qp, qp->s_cur)->ssn,
                         qp->s_lsn + 1) <= 0))
-                tasklet_hi_schedule(&qp->s_task);
+                ipath_schedule_send(qp);
 }
diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c
index 08b11b567614..108df667d2ee 100644
--- a/drivers/infiniband/hw/ipath/ipath_rc.c
+++ b/drivers/infiniband/hw/ipath/ipath_rc.c
@@ -92,6 +92,10 @@ static int ipath_make_rc_ack(struct ipath_ibdev *dev, struct ipath_qp *qp,
        u32 bth0;
        u32 bth2;
+        /* Don't send an ACK if we aren't supposed to. */
+        if (!(ib_ipath_state_ops[qp->state] & IPATH_PROCESS_RECV_OK))
+                goto bail;
        /* header size in 32-bit words LRH+BTH = (8+12)/4. */
        hwords = 5;
@@ -238,14 +242,25 @@ int ipath_make_rc_req(struct ipath_qp *qp)
            ipath_make_rc_ack(dev, qp, ohdr, pmtu))
                goto done;
-        if (!(ib_ipath_state_ops[qp->state] & IPATH_PROCESS_SEND_OK) ||
+        if (!(ib_ipath_state_ops[qp->state] & IPATH_PROCESS_SEND_OK)) {
-            qp->s_rnr_timeout || qp->s_wait_credit)
+                if (!(ib_ipath_state_ops[qp->state] & IPATH_FLUSH_SEND))
-                goto bail;
+                        goto bail;
+                /* We are in the error state, flush the work request. */
+                if (qp->s_last == qp->s_head)
+                        goto bail;
+                /* If DMAs are in progress, we can't flush immediately. */
+                if (atomic_read(&qp->s_dma_busy)) {
+                        qp->s_flags |= IPATH_S_WAIT_DMA;
+                        goto bail;
+                }
+                wqe = get_swqe_ptr(qp, qp->s_last);
+                ipath_send_complete(qp, wqe, IB_WC_WR_FLUSH_ERR);
+                goto done;
+        }
-        /* Limit the number of packets sent without an ACK. */
+        /* Leave BUSY set until RNR timeout. */
-        if (ipath_cmp24(qp->s_psn, qp->s_last_psn + IPATH_PSN_CREDIT) > 0) {
+        if (qp->s_rnr_timeout) {
-                qp->s_wait_credit = 1;
+                qp->s_flags |= IPATH_S_WAITING;
-                dev->n_rc_stalls++;
                goto bail;
        }
@@ -257,6 +272,9 @@ int ipath_make_rc_req(struct ipath_qp *qp)
        wqe = get_swqe_ptr(qp, qp->s_cur);
        switch (qp->s_state) {
        default:
+                if (!(ib_ipath_state_ops[qp->state] &
+                    IPATH_PROCESS_NEXT_SEND_OK))
+                        goto bail;
                /*
                 * Resend an old request or start a new one.
                 *
@@ -294,8 +312,10 @@ int ipath_make_rc_req(struct ipath_qp *qp)
                case IB_WR_SEND_WITH_IMM:
                        /* If no credit, return. */
                        if (qp->s_lsn != (u32) -1 &&
-                            ipath_cmp24(wqe->ssn, qp->s_lsn + 1) > 0)
+                            ipath_cmp24(wqe->ssn, qp->s_lsn + 1) > 0) {
+                                qp->s_flags |= IPATH_S_WAIT_SSN_CREDIT;
                                goto bail;
+                        }
                        wqe->lpsn = wqe->psn;
                        if (len > pmtu) {
                                wqe->lpsn += (len - 1) / pmtu;
@@ -325,8 +345,10 @@ int ipath_make_rc_req(struct ipath_qp *qp)
                case IB_WR_RDMA_WRITE_WITH_IMM:
                        /* If no credit, return. */
                        if (qp->s_lsn != (u32) -1 &&
-                            ipath_cmp24(wqe->ssn, qp->s_lsn + 1) > 0)
+                            ipath_cmp24(wqe->ssn, qp->s_lsn + 1) > 0) {
+                                qp->s_flags |= IPATH_S_WAIT_SSN_CREDIT;
                                goto bail;
+                        }
                        ohdr->u.rc.reth.vaddr =
                                cpu_to_be64(wqe->wr.wr.rdma.remote_addr);
                        ohdr->u.rc.reth.rkey =
@@ -570,7 +592,11 @@ int ipath_make_rc_req(struct ipath_qp *qp)
        ipath_make_ruc_header(dev, qp, ohdr, bth0 | (qp->s_state << 24), bth2);
 done:
        ret = 1;
+        goto unlock;
 bail:
+        qp->s_flags &= ~IPATH_S_BUSY;
+unlock:
        spin_unlock_irqrestore(&qp->s_lock, flags);
        return ret;
 }
@@ -606,7 +632,11 @@ static void send_rc_ack(struct ipath_qp *qp)
        spin_unlock_irqrestore(&qp->s_lock, flags);
+        /* Don't try to send ACKs if the link isn't ACTIVE */
        dd = dev->dd;
+        if (!(dd->ipath_flags & IPATH_LINKACTIVE))
+                goto done;
        piobuf = ipath_getpiobuf(dd, 0, NULL);
        if (!piobuf) {
                /*
@@ -668,15 +698,16 @@ static void send_rc_ack(struct ipath_qp *qp)
        goto done;
 queue_ack:
-        dev->n_rc_qacks++;
+        if (ib_ipath_state_ops[qp->state] & IPATH_PROCESS_RECV_OK) {
-        qp->s_flags |= IPATH_S_ACK_PENDING;
+                dev->n_rc_qacks++;
-        qp->s_nak_state = qp->r_nak_state;
+                qp->s_flags |= IPATH_S_ACK_PENDING;
-        qp->s_ack_psn = qp->r_ack_psn;
+                qp->s_nak_state = qp->r_nak_state;
+                qp->s_ack_psn = qp->r_ack_psn;
+                /* Schedule the send tasklet. */
+                ipath_schedule_send(qp);
+        }
        spin_unlock_irqrestore(&qp->s_lock, flags);
-        /* Call ipath_do_rc_send() in another thread. */
-        tasklet_hi_schedule(&qp->s_task);
 done:
        return;
 }
@@ -735,7 +766,7 @@ static void reset_psn(struct ipath_qp *qp, u32 psn)
        /*
         * Set the state to restart in the middle of a request.
         * Don't change the s_sge, s_cur_sge, or s_cur_size.
-         * See ipath_do_rc_send().
+         * See ipath_make_rc_req().
         */
        switch (opcode) {
        case IB_WR_SEND:
@@ -771,27 +802,14 @@ done:
 *
 * The QP s_lock should be held and interrupts disabled.
 */
-void ipath_restart_rc(struct ipath_qp *qp, u32 psn, struct ib_wc *wc)
+void ipath_restart_rc(struct ipath_qp *qp, u32 psn)
 {
        struct ipath_swqe *wqe = get_swqe_ptr(qp, qp->s_last);
        struct ipath_ibdev *dev;
        if (qp->s_retry == 0) {
-                wc->wr_id = wqe->wr.wr_id;
+                ipath_send_complete(qp, wqe, IB_WC_RETRY_EXC_ERR);
-                wc->status = IB_WC_RETRY_EXC_ERR;
+                ipath_error_qp(qp, IB_WC_WR_FLUSH_ERR);
-                wc->opcode = ib_ipath_wc_opcode[wqe->wr.opcode];
-                wc->vendor_err = 0;
-                wc->byte_len = 0;
-                wc->qp = &qp->ibqp;
-                wc->imm_data = 0;
-                wc->src_qp = qp->remote_qpn;
-                wc->wc_flags = 0;
-                wc->pkey_index = 0;
-                wc->slid = qp->remote_ah_attr.dlid;
-                wc->sl = qp->remote_ah_attr.sl;
-                wc->dlid_path_bits = 0;
-                wc->port_num = 0;
-                ipath_sqerror_qp(qp, wc);
                goto bail;
        }
        qp->s_retry--;
@@ -804,6 +822,8 @@ void ipath_restart_rc(struct ipath_qp *qp, u32 psn, struct ib_wc *wc)
        spin_lock(&dev->pending_lock);
        if (!list_empty(&qp->timerwait))
                list_del_init(&qp->timerwait);
+        if (!list_empty(&qp->piowait))
+                list_del_init(&qp->piowait);
        spin_unlock(&dev->pending_lock);
        if (wqe->wr.opcode == IB_WR_RDMA_READ)
@@ -812,7 +832,7 @@ void ipath_restart_rc(struct ipath_qp *qp, u32 psn, struct ib_wc *wc)
                dev->n_rc_resends += (qp->s_psn - psn) & IPATH_PSN_MASK;
        reset_psn(qp, psn);
-        tasklet_hi_schedule(&qp->s_task);
+        ipath_schedule_send(qp);
 bail:
        return;
@@ -820,13 +840,7 @@ bail:
 static inline void update_last_psn(struct ipath_qp *qp, u32 psn)
 {
-        if (qp->s_last_psn != psn) {
+        qp->s_last_psn = psn;
-                qp->s_last_psn = psn;
-                if (qp->s_wait_credit) {
-                        qp->s_wait_credit = 0;
-                        tasklet_hi_schedule(&qp->s_task);
-                }
-        }
 }
 /**
@@ -845,6 +859,7 @@ static int do_rc_ack(struct ipath_qp *qp, u32 aeth, u32 psn, int opcode,
 {
        struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
        struct ib_wc wc;
+        enum ib_wc_status status;
        struct ipath_swqe *wqe;
        int ret = 0;
        u32 ack_psn;
@@ -909,7 +924,7 @@ static int do_rc_ack(struct ipath_qp *qp, u32 aeth, u32 psn, int opcode,
                         */
                        update_last_psn(qp, wqe->psn - 1);
                        /* Retry this request. */
-                        ipath_restart_rc(qp, wqe->psn, &wc);
+                        ipath_restart_rc(qp, wqe->psn);
                        /*
                         * No need to process the ACK/NAK since we are
                         * restarting an earlier request.
@@ -925,32 +940,23 @@ static int do_rc_ack(struct ipath_qp *qp, u32 aeth, u32 psn, int opcode,
                     wqe->wr.opcode == IB_WR_ATOMIC_FETCH_AND_ADD)) {
                        qp->s_num_rd_atomic--;
                        /* Restart sending task if fence is complete */
-                        if ((qp->s_flags & IPATH_S_FENCE_PENDING) &&
+                        if (((qp->s_flags & IPATH_S_FENCE_PENDING) &&
-                            !qp->s_num_rd_atomic) {
+                             !qp->s_num_rd_atomic) ||
-                                qp->s_flags &= ~IPATH_S_FENCE_PENDING;
+                            qp->s_flags & IPATH_S_RDMAR_PENDING)
-                                tasklet_hi_schedule(&qp->s_task);
+                                ipath_schedule_send(qp);
-                        } else if (qp->s_flags & IPATH_S_RDMAR_PENDING) {
-                                qp->s_flags &= ~IPATH_S_RDMAR_PENDING;
-                                tasklet_hi_schedule(&qp->s_task);
-                        }
                }
                /* Post a send completion queue entry if requested. */
                if (!(qp->s_flags & IPATH_S_SIGNAL_REQ_WR) ||
                    (wqe->wr.send_flags & IB_SEND_SIGNALED)) {
+                        memset(&wc, 0, sizeof wc);
                        wc.wr_id = wqe->wr.wr_id;
                        wc.status = IB_WC_SUCCESS;
                        wc.opcode = ib_ipath_wc_opcode[wqe->wr.opcode];
-                        wc.vendor_err = 0;
                        wc.byte_len = wqe->length;
-                        wc.imm_data = 0;
                        wc.qp = &qp->ibqp;
                        wc.src_qp = qp->remote_qpn;
-                        wc.wc_flags = 0;
-                        wc.pkey_index = 0;
                        wc.slid = qp->remote_ah_attr.dlid;
                        wc.sl = qp->remote_ah_attr.sl;
-                        wc.dlid_path_bits = 0;
-                        wc.port_num = 0;
                        ipath_cq_enter(to_icq(qp->ibqp.send_cq), &wc, 0);
                }
                qp->s_retry = qp->s_retry_cnt;
@@ -971,6 +977,8 @@ static int do_rc_ack(struct ipath_qp *qp, u32 aeth, u32 psn, int opcode,
                } else {
                        if (++qp->s_last >= qp->s_size)
                                qp->s_last = 0;
+                        if (qp->state == IB_QPS_SQD && qp->s_last == qp->s_cur)
+                                qp->s_draining = 0;
                        if (qp->s_last == qp->s_tail)
                                break;
                        wqe = get_swqe_ptr(qp, qp->s_last);
@@ -994,7 +1002,7 @@ static int do_rc_ack(struct ipath_qp *qp, u32 aeth, u32 psn, int opcode,
                         */
                        if (ipath_cmp24(qp->s_psn, psn) <= 0) {
                                reset_psn(qp, psn + 1);
-                                tasklet_hi_schedule(&qp->s_task);
+                                ipath_schedule_send(qp);
                        }
                } else if (ipath_cmp24(qp->s_psn, psn) <= 0) {
                        qp->s_state = OP(SEND_LAST);
@@ -1012,7 +1020,7 @@ static int do_rc_ack(struct ipath_qp *qp, u32 aeth, u32 psn, int opcode,
                if (qp->s_last == qp->s_tail)
                        goto bail;
                if (qp->s_rnr_retry == 0) {
-                        wc.status = IB_WC_RNR_RETRY_EXC_ERR;
+                        status = IB_WC_RNR_RETRY_EXC_ERR;
                        goto class_b;
                }
                if (qp->s_rnr_retry_cnt < 7)
@@ -1033,6 +1041,7 @@ static int do_rc_ack(struct ipath_qp *qp, u32 aeth, u32 psn, int opcode,
                        ib_ipath_rnr_table[(aeth >> IPATH_AETH_CREDIT_SHIFT) &
                                           IPATH_AETH_CREDIT_MASK];
                ipath_insert_rnr_queue(qp);
+                ipath_schedule_send(qp);
                goto bail;
        case 3:         /* NAK */
@@ -1050,37 +1059,25 @@ static int do_rc_ack(struct ipath_qp *qp, u32 aeth, u32 psn, int opcode,
                         * RDMA READ response which terminates the RDMA
                         * READ.
                         */
-                        ipath_restart_rc(qp, psn, &wc);
+                        ipath_restart_rc(qp, psn);
                        break;
                case 1: /* Invalid Request */
-                        wc.status = IB_WC_REM_INV_REQ_ERR;
+                        status = IB_WC_REM_INV_REQ_ERR;
                        dev->n_other_naks++;
                        goto class_b;
                case 2: /* Remote Access Error */
-                        wc.status = IB_WC_REM_ACCESS_ERR;
+                        status = IB_WC_REM_ACCESS_ERR;
                        dev->n_other_naks++;
                        goto class_b;
                case 3: /* Remote Operation Error */
-                        wc.status = IB_WC_REM_OP_ERR;
+                        status = IB_WC_REM_OP_ERR;
                        dev->n_other_naks++;
                class_b:
-                        wc.wr_id = wqe->wr.wr_id;
+                        ipath_send_complete(qp, wqe, status);
-                        wc.opcode = ib_ipath_wc_opcode[wqe->wr.opcode];
+                        ipath_error_qp(qp, IB_WC_WR_FLUSH_ERR);
-                        wc.vendor_err = 0;
-                        wc.byte_len = 0;
-                        wc.qp = &qp->ibqp;
-                        wc.imm_data = 0;
-                        wc.src_qp = qp->remote_qpn;
-                        wc.wc_flags = 0;
-                        wc.pkey_index = 0;
-                        wc.slid = qp->remote_ah_attr.dlid;
-                        wc.sl = qp->remote_ah_attr.sl;
-                        wc.dlid_path_bits = 0;
-                        wc.port_num = 0;
-                        ipath_sqerror_qp(qp, &wc);
                        break;
                default:
@@ -1126,8 +1123,8 @@ static inline void ipath_rc_rcv_resp(struct ipath_ibdev *dev,
                                     int header_in_data)
 {
        struct ipath_swqe *wqe;
+        enum ib_wc_status status;
        unsigned long flags;
-        struct ib_wc wc;
        int diff;
        u32 pad;
        u32 aeth;
@@ -1135,6 +1132,10 @@ static inline void ipath_rc_rcv_resp(struct ipath_ibdev *dev,
        spin_lock_irqsave(&qp->s_lock, flags);
+        /* Double check we can process this now that we hold the s_lock. */
+        if (!(ib_ipath_state_ops[qp->state] & IPATH_PROCESS_RECV_OK))
+                goto ack_done;
        /* Ignore invalid responses. */
        if (ipath_cmp24(psn, qp->s_next_psn) >= 0)
                goto ack_done;
@@ -1159,6 +1160,7 @@ static inline void ipath_rc_rcv_resp(struct ipath_ibdev *dev,
        if (unlikely(qp->s_last == qp->s_tail))
                goto ack_done;
        wqe = get_swqe_ptr(qp, qp->s_last);
+        status = IB_WC_SUCCESS;
        switch (opcode) {
        case OP(ACKNOWLEDGE):
@@ -1187,6 +1189,7 @@ static inline void ipath_rc_rcv_resp(struct ipath_ibdev *dev,
                wqe = get_swqe_ptr(qp, qp->s_last);
                if (unlikely(wqe->wr.opcode != IB_WR_RDMA_READ))
                        goto ack_op_err;
+                qp->r_flags &= ~IPATH_R_RDMAR_SEQ;
                /*
                 * If this is a response to a resent RDMA read, we
                 * have to be careful to copy the data to the right
@@ -1200,7 +1203,10 @@ static inline void ipath_rc_rcv_resp(struct ipath_ibdev *dev,
                /* no AETH, no ACK */
                if (unlikely(ipath_cmp24(psn, qp->s_last_psn + 1))) {
                        dev->n_rdma_seq++;
-                        ipath_restart_rc(qp, qp->s_last_psn + 1, &wc);
+                        if (qp->r_flags & IPATH_R_RDMAR_SEQ)
+                                goto ack_done;
+                        qp->r_flags |= IPATH_R_RDMAR_SEQ;
+                        ipath_restart_rc(qp, qp->s_last_psn + 1);
                        goto ack_done;
                }
                if (unlikely(wqe->wr.opcode != IB_WR_RDMA_READ))
@@ -1261,7 +1267,10 @@ static inline void ipath_rc_rcv_resp(struct ipath_ibdev *dev,
                /* ACKs READ req. */
                if (unlikely(ipath_cmp24(psn, qp->s_last_psn + 1))) {
                        dev->n_rdma_seq++;
-                        ipath_restart_rc(qp, qp->s_last_psn + 1, &wc);
+                        if (qp->r_flags & IPATH_R_RDMAR_SEQ)
+                                goto ack_done;
+                        qp->r_flags |= IPATH_R_RDMAR_SEQ;
+                        ipath_restart_rc(qp, qp->s_last_psn + 1);
                        goto ack_done;
                }
                if (unlikely(wqe->wr.opcode != IB_WR_RDMA_READ))
@@ -1291,31 +1300,16 @@ static inline void ipath_rc_rcv_resp(struct ipath_ibdev *dev,
                goto ack_done;
        }
-ack_done:
-        spin_unlock_irqrestore(&qp->s_lock, flags);
-        goto bail;
 ack_op_err:
-        wc.status = IB_WC_LOC_QP_OP_ERR;
+        status = IB_WC_LOC_QP_OP_ERR;
        goto ack_err;
 ack_len_err:
-        wc.status = IB_WC_LOC_LEN_ERR;
+        status = IB_WC_LOC_LEN_ERR;
 ack_err:
-        wc.wr_id = wqe->wr.wr_id;
+        ipath_send_complete(qp, wqe, status);
-        wc.opcode = ib_ipath_wc_opcode[wqe->wr.opcode];
+        ipath_error_qp(qp, IB_WC_WR_FLUSH_ERR);
-        wc.vendor_err = 0;
+ack_done:
-        wc.byte_len = 0;
-        wc.imm_data = 0;
-        wc.qp = &qp->ibqp;
-        wc.src_qp = qp->remote_qpn;
-        wc.wc_flags = 0;
-        wc.pkey_index = 0;
-        wc.slid = qp->remote_ah_attr.dlid;
-        wc.sl = qp->remote_ah_attr.sl;
-        wc.dlid_path_bits = 0;
-        wc.port_num = 0;
-        ipath_sqerror_qp(qp, &wc);
        spin_unlock_irqrestore(&qp->s_lock, flags);
 bail:
        return;
@@ -1384,7 +1378,12 @@ static inline int ipath_rc_rcv_error(struct ipath_ibdev *dev,
        psn &= IPATH_PSN_MASK;
        e = NULL;
        old_req = 1;
        spin_lock_irqsave(&qp->s_lock, flags);
+        /* Double check we can process this now that we hold the s_lock. */
+        if (!(ib_ipath_state_ops[qp->state] & IPATH_PROCESS_RECV_OK))
+                goto unlock_done;
        for (i = qp->r_head_ack_queue; ; i = prev) {
                if (i == qp->s_tail_ack_queue)
                        old_req = 0;
@@ -1512,7 +1511,7 @@ static inline int ipath_rc_rcv_error(struct ipath_ibdev *dev,
                break;
        }
        qp->r_nak_state = 0;
-        tasklet_hi_schedule(&qp->s_task);
+        ipath_schedule_send(qp);
 unlock_done:
        spin_unlock_irqrestore(&qp->s_lock, flags);
@@ -1523,13 +1522,12 @@ send_ack:
        return 0;
 }
-static void ipath_rc_error(struct ipath_qp *qp, enum ib_wc_status err)
+void ipath_rc_error(struct ipath_qp *qp, enum ib_wc_status err)
 {
        unsigned long flags;
        int lastwqe;
        spin_lock_irqsave(&qp->s_lock, flags);
-        qp->state = IB_QPS_ERR;
        lastwqe = ipath_error_qp(qp, err);
        spin_unlock_irqrestore(&qp->s_lock, flags);
@@ -1545,18 +1543,15 @@ static void ipath_rc_error(struct ipath_qp *qp, enum ib_wc_status err)
 static inline void ipath_update_ack_queue(struct ipath_qp *qp, unsigned n)
 {
-        unsigned long flags;
        unsigned next;
        next = n + 1;
        if (next > IPATH_MAX_RDMA_ATOMIC)
                next = 0;
-        spin_lock_irqsave(&qp->s_lock, flags);
        if (n == qp->s_tail_ack_queue) {
                qp->s_tail_ack_queue = next;
                qp->s_ack_state = OP(ACKNOWLEDGE);
        }
-        spin_unlock_irqrestore(&qp->s_lock, flags);
 }
 /**
@@ -1585,6 +1580,7 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
        int diff;
        struct ib_reth *reth;
        int header_in_data;
+        unsigned long flags;
        /* Validate the SLID. See Ch. 9.6.1.5 */
        if (unlikely(be16_to_cpu(hdr->lrh[3]) != qp->remote_ah_attr.dlid))
@@ -1643,11 +1639,7 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                    opcode == OP(SEND_LAST) ||
                    opcode == OP(SEND_LAST_WITH_IMMEDIATE))
                        break;
-        nack_inv:
+                goto nack_inv;
-                ipath_rc_error(qp, IB_WC_REM_INV_REQ_ERR);
-                qp->r_nak_state = IB_NAK_INVALID_REQUEST;
-                qp->r_ack_psn = qp->r_psn;
-                goto send_ack;
        case OP(RDMA_WRITE_FIRST):
        case OP(RDMA_WRITE_MIDDLE):
@@ -1673,18 +1665,13 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                break;
        }
-        wc.imm_data = 0;
+        memset(&wc, 0, sizeof wc);
-        wc.wc_flags = 0;
        /* OK, process the packet. */
        switch (opcode) {
        case OP(SEND_FIRST):
-                if (!ipath_get_rwqe(qp, 0)) {
+                if (!ipath_get_rwqe(qp, 0))
-                rnr_nak:
+                        goto rnr_nak;
-                        qp->r_nak_state = IB_RNR_NAK | qp->r_min_rnr_timer;
-                        qp->r_ack_psn = qp->r_psn;
-                        goto send_ack;
-                }
                qp->r_rcv_len = 0;
                /* FALLTHROUGH */
        case OP(SEND_MIDDLE):
@@ -1741,9 +1728,8 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                        goto nack_inv;
                ipath_copy_sge(&qp->r_sge, data, tlen);
                qp->r_msn++;
-                if (!qp->r_wrid_valid)
+                if (!test_and_clear_bit(IPATH_R_WRID_VALID, &qp->r_aflags))
                        break;
-                qp->r_wrid_valid = 0;
                wc.wr_id = qp->r_wr_id;
                wc.status = IB_WC_SUCCESS;
                if (opcode == OP(RDMA_WRITE_LAST_WITH_IMMEDIATE) ||
@@ -1751,14 +1737,10 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                        wc.opcode = IB_WC_RECV_RDMA_WITH_IMM;
                else
                        wc.opcode = IB_WC_RECV;
-                wc.vendor_err = 0;
                wc.qp = &qp->ibqp;
                wc.src_qp = qp->remote_qpn;
-                wc.pkey_index = 0;
                wc.slid = qp->remote_ah_attr.dlid;
                wc.sl = qp->remote_ah_attr.sl;
-                wc.dlid_path_bits = 0;
-                wc.port_num = 0;
                /* Signal completion event if the solicited bit is set. */
                ipath_cq_enter(to_icq(qp->ibqp.recv_cq), &wc,
                               (ohdr->bth[0] &
@@ -1819,9 +1801,13 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                next = qp->r_head_ack_queue + 1;
                if (next > IPATH_MAX_RDMA_ATOMIC)
                        next = 0;
+                spin_lock_irqsave(&qp->s_lock, flags);
+                /* Double check we can process this while holding the s_lock. */
+                if (!(ib_ipath_state_ops[qp->state] & IPATH_PROCESS_RECV_OK))
+                        goto unlock;
                if (unlikely(next == qp->s_tail_ack_queue)) {
                        if (!qp->s_ack_queue[next].sent)
-                                goto nack_inv;
+                                goto nack_inv_unlck;
                        ipath_update_ack_queue(qp, next);
                }
                e = &qp->s_ack_queue[qp->r_head_ack_queue];
@@ -1842,7 +1828,7 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                        ok = ipath_rkey_ok(qp, &e->rdma_sge, len, vaddr,
                                           rkey, IB_ACCESS_REMOTE_READ);
                        if (unlikely(!ok))
-                                goto nack_acc;
+                                goto nack_acc_unlck;
                        /*
                         * Update the next expected PSN.  We add 1 later
                         * below, so only add the remainder here.
@@ -1869,13 +1855,12 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                qp->r_psn++;
                qp->r_state = opcode;
                qp->r_nak_state = 0;
-                barrier();
                qp->r_head_ack_queue = next;
-                /* Call ipath_do_rc_send() in another thread. */
+                /* Schedule the send tasklet. */
-                tasklet_hi_schedule(&qp->s_task);
+                ipath_schedule_send(qp);
-                goto done;
+                goto unlock;
        }
        case OP(COMPARE_SWAP):
@@ -1894,9 +1879,13 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                next = qp->r_head_ack_queue + 1;
                if (next > IPATH_MAX_RDMA_ATOMIC)
                        next = 0;
+                spin_lock_irqsave(&qp->s_lock, flags);
+                /* Double check we can process this while holding the s_lock. */
+                if (!(ib_ipath_state_ops[qp->state] & IPATH_PROCESS_RECV_OK))
+                        goto unlock;
                if (unlikely(next == qp->s_tail_ack_queue)) {
                        if (!qp->s_ack_queue[next].sent)
-                                goto nack_inv;
+                                goto nack_inv_unlck;
                        ipath_update_ack_queue(qp, next);
                }
                if (!header_in_data)
@@ -1906,13 +1895,13 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                vaddr = ((u64) be32_to_cpu(ateth->vaddr[0]) << 32) |
                        be32_to_cpu(ateth->vaddr[1]);
                if (unlikely(vaddr & (sizeof(u64) - 1)))
-                        goto nack_inv;
+                        goto nack_inv_unlck;
                rkey = be32_to_cpu(ateth->rkey);
                /* Check rkey & NAK */
                if (unlikely(!ipath_rkey_ok(qp, &qp->r_sge,
                                            sizeof(u64), vaddr, rkey,
                                            IB_ACCESS_REMOTE_ATOMIC)))
-                        goto nack_acc;
+                        goto nack_acc_unlck;
                /* Perform atomic OP and save result. */
                maddr = (atomic64_t *) qp->r_sge.sge.vaddr;
                sdata = be64_to_cpu(ateth->swap_data);
@@ -1929,13 +1918,12 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                qp->r_psn++;
                qp->r_state = opcode;
                qp->r_nak_state = 0;
-                barrier();
                qp->r_head_ack_queue = next;
-                /* Call ipath_do_rc_send() in another thread. */
+                /* Schedule the send tasklet. */
-                tasklet_hi_schedule(&qp->s_task);
+                ipath_schedule_send(qp);
-                goto done;
+                goto unlock;
        }
        default:
@@ -1951,14 +1939,31 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                goto send_ack;
        goto done;
+rnr_nak:
+        qp->r_nak_state = IB_RNR_NAK | qp->r_min_rnr_timer;
+        qp->r_ack_psn = qp->r_psn;
+        goto send_ack;
+nack_inv_unlck:
+        spin_unlock_irqrestore(&qp->s_lock, flags);
+nack_inv:
+        ipath_rc_error(qp, IB_WC_LOC_QP_OP_ERR);
+        qp->r_nak_state = IB_NAK_INVALID_REQUEST;
+        qp->r_ack_psn = qp->r_psn;
+        goto send_ack;
+nack_acc_unlck:
+        spin_unlock_irqrestore(&qp->s_lock, flags);
 nack_acc:
-        ipath_rc_error(qp, IB_WC_REM_ACCESS_ERR);
+        ipath_rc_error(qp, IB_WC_LOC_PROT_ERR);
        qp->r_nak_state = IB_NAK_REMOTE_ACCESS_ERROR;
        qp->r_ack_psn = qp->r_psn;
 send_ack:
        send_rc_ack(qp);
+        goto done;
+unlock:
+        spin_unlock_irqrestore(&qp->s_lock, flags);
 done:
        return;
 }
diff --git a/drivers/infiniband/hw/ipath/ipath_ruc.c b/drivers/infiniband/hw/ipath/ipath_ruc.c
index 9e3fe61cbd08..a4b5521567fe 100644
--- a/drivers/infiniband/hw/ipath/ipath_ruc.c
+++ b/drivers/infiniband/hw/ipath/ipath_ruc.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
 * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
 *
 * This software is available to you under a choice of one of two
@@ -78,6 +78,7 @@ const u32 ib_ipath_rnr_table[32] = {
 * ipath_insert_rnr_queue - put QP on the RNR timeout list for the device
 * @qp: the QP
 *
+ * Called with the QP s_lock held and interrupts disabled.
 * XXX Use a simple list for now.  We might need a priority
 * queue if we have lots of QPs waiting for RNR timeouts
 * but that should be rare.
@@ -85,9 +86,9 @@ const u32 ib_ipath_rnr_table[32] = {
 void ipath_insert_rnr_queue(struct ipath_qp *qp)
 {
        struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
-        unsigned long flags;
-        spin_lock_irqsave(&dev->pending_lock, flags);
+        /* We already did a spin_lock_irqsave(), so just use spin_lock */
+        spin_lock(&dev->pending_lock);
        if (list_empty(&dev->rnrwait))
                list_add(&qp->timerwait, &dev->rnrwait);
        else {
@@ -109,7 +110,7 @@ void ipath_insert_rnr_queue(struct ipath_qp *qp)
                        nqp->s_rnr_timeout -= qp->s_rnr_timeout;
                list_add(&qp->timerwait, l);
        }
-        spin_unlock_irqrestore(&dev->pending_lock, flags);
+        spin_unlock(&dev->pending_lock);
 }
 /**
@@ -140,20 +141,11 @@ int ipath_init_sge(struct ipath_qp *qp, struct ipath_rwqe *wqe,
        goto bail;
 bad_lkey:
+        memset(&wc, 0, sizeof(wc));
        wc.wr_id = wqe->wr_id;
        wc.status = IB_WC_LOC_PROT_ERR;
        wc.opcode = IB_WC_RECV;
-        wc.vendor_err = 0;
-        wc.byte_len = 0;
-        wc.imm_data = 0;
        wc.qp = &qp->ibqp;
-        wc.src_qp = 0;
-        wc.wc_flags = 0;
-        wc.pkey_index = 0;
-        wc.slid = 0;
-        wc.sl = 0;
-        wc.dlid_path_bits = 0;
-        wc.port_num = 0;
        /* Signal solicited completion event. */
        ipath_cq_enter(to_icq(qp->ibqp.recv_cq), &wc, 1);
        ret = 0;
@@ -194,6 +186,11 @@ int ipath_get_rwqe(struct ipath_qp *qp, int wr_id_only)
        }
        spin_lock_irqsave(&rq->lock, flags);
+        if (!(ib_ipath_state_ops[qp->state] & IPATH_PROCESS_RECV_OK)) {
+                ret = 0;
+                goto unlock;
+        }
        wq = rq->wq;
        tail = wq->tail;
        /* Validate tail before using it since it is user writable. */
@@ -201,9 +198,8 @@ int ipath_get_rwqe(struct ipath_qp *qp, int wr_id_only)
                tail = 0;
        do {
                if (unlikely(tail == wq->head)) {
-                        spin_unlock_irqrestore(&rq->lock, flags);
                        ret = 0;
-                        goto bail;
+                        goto unlock;
                }
                /* Make sure entry is read after head index is read. */
                smp_rmb();
@@ -216,7 +212,7 @@ int ipath_get_rwqe(struct ipath_qp *qp, int wr_id_only)
        wq->tail = tail;
        ret = 1;
-        qp->r_wrid_valid = 1;
+        set_bit(IPATH_R_WRID_VALID, &qp->r_aflags);
        if (handler) {
                u32 n;
@@ -243,8 +239,8 @@ int ipath_get_rwqe(struct ipath_qp *qp, int wr_id_only)
                        goto bail;
                }
        }
+unlock:
        spin_unlock_irqrestore(&rq->lock, flags);
 bail:
        return ret;
 }
@@ -270,38 +266,63 @@ static void ipath_ruc_loopback(struct ipath_qp *sqp)
        struct ib_wc wc;
        u64 sdata;
        atomic64_t *maddr;
+        enum ib_wc_status send_status;
+        /*
+         * Note that we check the responder QP state after
+         * checking the requester's state.
+         */
        qp = ipath_lookup_qpn(&dev->qp_table, sqp->remote_qpn);
-        if (!qp) {
-                dev->n_pkt_drops++;
-                return;
-        }
-again:
        spin_lock_irqsave(&sqp->s_lock, flags);
-        if (!(ib_ipath_state_ops[sqp->state] & IPATH_PROCESS_SEND_OK) ||
+        /* Return if we are already busy processing a work request. */
-            sqp->s_rnr_timeout) {
+        if ((sqp->s_flags & (IPATH_S_BUSY | IPATH_S_ANY_WAIT)) ||
-                spin_unlock_irqrestore(&sqp->s_lock, flags);
+            !(ib_ipath_state_ops[sqp->state] & IPATH_PROCESS_OR_FLUSH_SEND))
-                goto done;
+                goto unlock;
-        }
-        /* Get the next send request. */
+        sqp->s_flags |= IPATH_S_BUSY;
-        if (sqp->s_last == sqp->s_head) {
-                /* Send work queue is empty. */
+again:
-                spin_unlock_irqrestore(&sqp->s_lock, flags);
+        if (sqp->s_last == sqp->s_head)
-                goto done;
+                goto clr_busy;
+        wqe = get_swqe_ptr(sqp, sqp->s_last);
+        /* Return if it is not OK to start a new work reqeust. */
+        if (!(ib_ipath_state_ops[sqp->state] & IPATH_PROCESS_NEXT_SEND_OK)) {
+                if (!(ib_ipath_state_ops[sqp->state] & IPATH_FLUSH_SEND))
+                        goto clr_busy;
+                /* We are in the error state, flush the work request. */
+                send_status = IB_WC_WR_FLUSH_ERR;
+                goto flush_send;
        }
        /*
         * We can rely on the entry not changing without the s_lock
         * being held until we update s_last.
+         * We increment s_cur to indicate s_last is in progress.
         */
-        wqe = get_swqe_ptr(sqp, sqp->s_last);
+        if (sqp->s_last == sqp->s_cur) {
+                if (++sqp->s_cur >= sqp->s_size)
+                        sqp->s_cur = 0;
+        }
        spin_unlock_irqrestore(&sqp->s_lock, flags);
-        wc.wc_flags = 0;
+        if (!qp || !(ib_ipath_state_ops[qp->state] & IPATH_PROCESS_RECV_OK)) {
-        wc.imm_data = 0;
+                dev->n_pkt_drops++;
+                /*
+                 * For RC, the requester would timeout and retry so
+                 * shortcut the timeouts and just signal too many retries.
+                 */
+                if (sqp->ibqp.qp_type == IB_QPT_RC)
+                        send_status = IB_WC_RETRY_EXC_ERR;
+                else
+                        send_status = IB_WC_SUCCESS;
+                goto serr;
+        }
+        memset(&wc, 0, sizeof wc);
+        send_status = IB_WC_SUCCESS;
        sqp->s_sge.sge = wqe->sg_list[0];
        sqp->s_sge.sg_list = wqe->sg_list + 1;
@@ -313,75 +334,33 @@ again:
                wc.imm_data = wqe->wr.ex.imm_data;
                /* FALLTHROUGH */
        case IB_WR_SEND:
-                if (!ipath_get_rwqe(qp, 0)) {
+                if (!ipath_get_rwqe(qp, 0))
-                rnr_nak:
+                        goto rnr_nak;
-                        /* Handle RNR NAK */
-                        if (qp->ibqp.qp_type == IB_QPT_UC)
-                                goto send_comp;
-                        if (sqp->s_rnr_retry == 0) {
-                                wc.status = IB_WC_RNR_RETRY_EXC_ERR;
-                                goto err;
-                        }
-                        if (sqp->s_rnr_retry_cnt < 7)
-                                sqp->s_rnr_retry--;
-                        dev->n_rnr_naks++;
-                        sqp->s_rnr_timeout =
-                                ib_ipath_rnr_table[qp->r_min_rnr_timer];
-                        ipath_insert_rnr_queue(sqp);
-                        goto done;
-                }
                break;
        case IB_WR_RDMA_WRITE_WITH_IMM:
-                if (unlikely(!(qp->qp_access_flags &
+                if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_WRITE)))
-                               IB_ACCESS_REMOTE_WRITE))) {
+                        goto inv_err;
-                        wc.status = IB_WC_REM_INV_REQ_ERR;
-                        goto err;
-                }
                wc.wc_flags = IB_WC_WITH_IMM;
                wc.imm_data = wqe->wr.ex.imm_data;
                if (!ipath_get_rwqe(qp, 1))
                        goto rnr_nak;
                /* FALLTHROUGH */
        case IB_WR_RDMA_WRITE:
-                if (unlikely(!(qp->qp_access_flags &
+                if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_WRITE)))
-                               IB_ACCESS_REMOTE_WRITE))) {
+                        goto inv_err;
-                        wc.status = IB_WC_REM_INV_REQ_ERR;
-                        goto err;
-                }
                if (wqe->length == 0)
                        break;
                if (unlikely(!ipath_rkey_ok(qp, &qp->r_sge, wqe->length,
                                            wqe->wr.wr.rdma.remote_addr,
                                            wqe->wr.wr.rdma.rkey,
-                                            IB_ACCESS_REMOTE_WRITE))) {
+                                            IB_ACCESS_REMOTE_WRITE)))
-                acc_err:
+                        goto acc_err;
-                        wc.status = IB_WC_REM_ACCESS_ERR;
-                err:
-                        wc.wr_id = wqe->wr.wr_id;
-                        wc.opcode = ib_ipath_wc_opcode[wqe->wr.opcode];
-                        wc.vendor_err = 0;
-                        wc.byte_len = 0;
-                        wc.qp = &sqp->ibqp;
-                        wc.src_qp = sqp->remote_qpn;
-                        wc.pkey_index = 0;
-                        wc.slid = sqp->remote_ah_attr.dlid;
-                        wc.sl = sqp->remote_ah_attr.sl;
-                        wc.dlid_path_bits = 0;
-                        wc.port_num = 0;
-                        spin_lock_irqsave(&sqp->s_lock, flags);
-                        ipath_sqerror_qp(sqp, &wc);
-                        spin_unlock_irqrestore(&sqp->s_lock, flags);
-                        goto done;
-                }
                break;
        case IB_WR_RDMA_READ:
-                if (unlikely(!(qp->qp_access_flags &
+                if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_READ)))
-                               IB_ACCESS_REMOTE_READ))) {
+                        goto inv_err;
-                        wc.status = IB_WC_REM_INV_REQ_ERR;
-                        goto err;
-                }
                if (unlikely(!ipath_rkey_ok(qp, &sqp->s_sge, wqe->length,
                                            wqe->wr.wr.rdma.remote_addr,
                                            wqe->wr.wr.rdma.rkey,
@@ -394,11 +373,8 @@ again:
        case IB_WR_ATOMIC_CMP_AND_SWP:
        case IB_WR_ATOMIC_FETCH_AND_ADD:
-                if (unlikely(!(qp->qp_access_flags &
+                if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC)))
-                               IB_ACCESS_REMOTE_ATOMIC))) {
+                        goto inv_err;
-                        wc.status = IB_WC_REM_INV_REQ_ERR;
-                        goto err;
-                }
                if (unlikely(!ipath_rkey_ok(qp, &qp->r_sge, sizeof(u64),
                                            wqe->wr.wr.atomic.remote_addr,
                                            wqe->wr.wr.atomic.rkey,
@@ -415,7 +391,8 @@ again:
                goto send_comp;
        default:
-                goto done;
+                send_status = IB_WC_LOC_QP_OP_ERR;
+                goto serr;
        }
        sge = &sqp->s_sge.sge;
@@ -448,8 +425,7 @@ again:
                sqp->s_len -= len;
        }
-        if (wqe->wr.opcode == IB_WR_RDMA_WRITE ||
+        if (!test_and_clear_bit(IPATH_R_WRID_VALID, &qp->r_aflags))
-            wqe->wr.opcode == IB_WR_RDMA_READ)
                goto send_comp;
        if (wqe->wr.opcode == IB_WR_RDMA_WRITE_WITH_IMM)
@@ -458,33 +434,89 @@ again:
                wc.opcode = IB_WC_RECV;
        wc.wr_id = qp->r_wr_id;
        wc.status = IB_WC_SUCCESS;
-        wc.vendor_err = 0;
        wc.byte_len = wqe->length;
        wc.qp = &qp->ibqp;
        wc.src_qp = qp->remote_qpn;
-        wc.pkey_index = 0;
        wc.slid = qp->remote_ah_attr.dlid;
        wc.sl = qp->remote_ah_attr.sl;
-        wc.dlid_path_bits = 0;
        wc.port_num = 1;
        /* Signal completion event if the solicited bit is set. */
        ipath_cq_enter(to_icq(qp->ibqp.recv_cq), &wc,
                       wqe->wr.send_flags & IB_SEND_SOLICITED);
 send_comp:
+        spin_lock_irqsave(&sqp->s_lock, flags);
+flush_send:
        sqp->s_rnr_retry = sqp->s_rnr_retry_cnt;
-        ipath_send_complete(sqp, wqe, IB_WC_SUCCESS);
+        ipath_send_complete(sqp, wqe, send_status);
        goto again;
+rnr_nak:
+        /* Handle RNR NAK */
+        if (qp->ibqp.qp_type == IB_QPT_UC)
+                goto send_comp;
+        /*
+         * Note: we don't need the s_lock held since the BUSY flag
+         * makes this single threaded.
+         */
+        if (sqp->s_rnr_retry == 0) {
+                send_status = IB_WC_RNR_RETRY_EXC_ERR;
+                goto serr;
+        }
+        if (sqp->s_rnr_retry_cnt < 7)
+                sqp->s_rnr_retry--;
+        spin_lock_irqsave(&sqp->s_lock, flags);
+        if (!(ib_ipath_state_ops[sqp->state] & IPATH_PROCESS_RECV_OK))
+                goto clr_busy;
+        sqp->s_flags |= IPATH_S_WAITING;
+        dev->n_rnr_naks++;
+        sqp->s_rnr_timeout = ib_ipath_rnr_table[qp->r_min_rnr_timer];
+        ipath_insert_rnr_queue(sqp);
+        goto clr_busy;
+inv_err:
+        send_status = IB_WC_REM_INV_REQ_ERR;
+        wc.status = IB_WC_LOC_QP_OP_ERR;
+        goto err;
+acc_err:
+        send_status = IB_WC_REM_ACCESS_ERR;
+        wc.status = IB_WC_LOC_PROT_ERR;
+err:
+        /* responder goes to error state */
+        ipath_rc_error(qp, wc.status);
+serr:
+        spin_lock_irqsave(&sqp->s_lock, flags);
+        ipath_send_complete(sqp, wqe, send_status);
+        if (sqp->ibqp.qp_type == IB_QPT_RC) {
+                int lastwqe = ipath_error_qp(sqp, IB_WC_WR_FLUSH_ERR);
+                sqp->s_flags &= ~IPATH_S_BUSY;
+                spin_unlock_irqrestore(&sqp->s_lock, flags);
+                if (lastwqe) {
+                        struct ib_event ev;
+                        ev.device = sqp->ibqp.device;
+                        ev.element.qp = &sqp->ibqp;
+                        ev.event = IB_EVENT_QP_LAST_WQE_REACHED;
+                        sqp->ibqp.event_handler(&ev, sqp->ibqp.qp_context);
+                }
+                goto done;
+        }
+clr_busy:
+        sqp->s_flags &= ~IPATH_S_BUSY;
+unlock:
+        spin_unlock_irqrestore(&sqp->s_lock, flags);
 done:
-        if (atomic_dec_and_test(&qp->refcount))
+        if (qp && atomic_dec_and_test(&qp->refcount))
                wake_up(&qp->wait);
 }
 static void want_buffer(struct ipath_devdata *dd, struct ipath_qp *qp)
 {
        if (!(dd->ipath_flags & IPATH_HAS_SEND_DMA) ||
-                qp->ibqp.qp_type == IB_QPT_SMI) {
+            qp->ibqp.qp_type == IB_QPT_SMI) {
                unsigned long flags;
                spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
@@ -502,26 +534,36 @@ static void want_buffer(struct ipath_devdata *dd, struct ipath_qp *qp)
 * @dev: the device we ran out of buffers on
 *
 * Called when we run out of PIO buffers.
+ * If we are now in the error state, return zero to flush the
+ * send work request.
 */
-static void ipath_no_bufs_available(struct ipath_qp *qp,
+static int ipath_no_bufs_available(struct ipath_qp *qp,
                                    struct ipath_ibdev *dev)
 {
        unsigned long flags;
+        int ret = 1;
        /*
         * Note that as soon as want_buffer() is called and
         * possibly before it returns, ipath_ib_piobufavail()
-         * could be called.  If we are still in the tasklet function,
+         * could be called. Therefore, put QP on the piowait list before
-         * tasklet_hi_schedule() will not call us until the next time
+         * enabling the PIO avail interrupt.
-         * tasklet_hi_schedule() is called.
-         * We leave the busy flag set so that another post send doesn't
-         * try to put the same QP on the piowait list again.
         */
-        spin_lock_irqsave(&dev->pending_lock, flags);
+        spin_lock_irqsave(&qp->s_lock, flags);
-        list_add_tail(&qp->piowait, &dev->piowait);
+        if (ib_ipath_state_ops[qp->state] & IPATH_PROCESS_SEND_OK) {
-        spin_unlock_irqrestore(&dev->pending_lock, flags);
+                dev->n_piowait++;
-        want_buffer(dev->dd, qp);
+                qp->s_flags |= IPATH_S_WAITING;
-        dev->n_piowait++;
+                qp->s_flags &= ~IPATH_S_BUSY;
+                spin_lock(&dev->pending_lock);
+                if (list_empty(&qp->piowait))
+                        list_add_tail(&qp->piowait, &dev->piowait);
+                spin_unlock(&dev->pending_lock);
+        } else
+                ret = 0;
+        spin_unlock_irqrestore(&qp->s_lock, flags);
+        if (ret)
+                want_buffer(dev->dd, qp);
+        return ret;
 }
 /**
@@ -597,15 +639,13 @@ void ipath_do_send(unsigned long data)
        struct ipath_qp *qp = (struct ipath_qp *)data;
        struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
        int (*make_req)(struct ipath_qp *qp);
+        unsigned long flags;
-        if (test_and_set_bit(IPATH_S_BUSY, &qp->s_busy))
-                goto bail;
        if ((qp->ibqp.qp_type == IB_QPT_RC ||
             qp->ibqp.qp_type == IB_QPT_UC) &&
            qp->remote_ah_attr.dlid == dev->dd->ipath_lid) {
                ipath_ruc_loopback(qp);
-                goto clear;
+                goto bail;
        }
        if (qp->ibqp.qp_type == IB_QPT_RC)
@@ -615,6 +655,19 @@ void ipath_do_send(unsigned long data)
        else
               make_req = ipath_make_ud_req;
+        spin_lock_irqsave(&qp->s_lock, flags);
+        /* Return if we are already busy processing a work request. */
+        if ((qp->s_flags & (IPATH_S_BUSY | IPATH_S_ANY_WAIT)) ||
+            !(ib_ipath_state_ops[qp->state] & IPATH_PROCESS_OR_FLUSH_SEND)) {
+                spin_unlock_irqrestore(&qp->s_lock, flags);
+                goto bail;
+        }
+        qp->s_flags |= IPATH_S_BUSY;
+        spin_unlock_irqrestore(&qp->s_lock, flags);
 again:
        /* Check for a constructed packet to be sent. */
        if (qp->s_hdrwords != 0) {
@@ -624,8 +677,8 @@ again:
                 */
                if (ipath_verbs_send(qp, &qp->s_hdr, qp->s_hdrwords,
                                     qp->s_cur_sge, qp->s_cur_size)) {
-                        ipath_no_bufs_available(qp, dev);
+                        if (ipath_no_bufs_available(qp, dev))
-                        goto bail;
+                                goto bail;
                }
                dev->n_unicast_xmit++;
                /* Record that we sent the packet and s_hdr is empty. */
@@ -634,16 +687,20 @@ again:
        if (make_req(qp))
                goto again;
-clear:
-        clear_bit(IPATH_S_BUSY, &qp->s_busy);
 bail:;
 }
+/*
+ * This should be called with s_lock held.
+ */
 void ipath_send_complete(struct ipath_qp *qp, struct ipath_swqe *wqe,
                         enum ib_wc_status status)
 {
-        unsigned long flags;
+        u32 old_last, last;
-        u32 last;
+        if (!(ib_ipath_state_ops[qp->state] & IPATH_PROCESS_OR_FLUSH_SEND))
+                return;
        /* See ch. 11.2.4.1 and 10.7.3.1 */
        if (!(qp->s_flags & IPATH_S_SIGNAL_REQ_WR) ||
@@ -651,27 +708,25 @@ void ipath_send_complete(struct ipath_qp *qp, struct ipath_swqe *wqe,
            status != IB_WC_SUCCESS) {
                struct ib_wc wc;
+                memset(&wc, 0, sizeof wc);
                wc.wr_id = wqe->wr.wr_id;
                wc.status = status;
                wc.opcode = ib_ipath_wc_opcode[wqe->wr.opcode];
-                wc.vendor_err = 0;
-                wc.byte_len = wqe->length;
-                wc.imm_data = 0;
                wc.qp = &qp->ibqp;
-                wc.src_qp = 0;
+                if (status == IB_WC_SUCCESS)
-                wc.wc_flags = 0;
+                        wc.byte_len = wqe->length;
-                wc.pkey_index = 0;
+                ipath_cq_enter(to_icq(qp->ibqp.send_cq), &wc,
-                wc.slid = 0;
+                               status != IB_WC_SUCCESS);
-                wc.sl = 0;
-                wc.dlid_path_bits = 0;
-                wc.port_num = 0;
-                ipath_cq_enter(to_icq(qp->ibqp.send_cq), &wc, 0);
        }
-        spin_lock_irqsave(&qp->s_lock, flags);
+        old_last = last = qp->s_last;
-        last = qp->s_last;
        if (++last >= qp->s_size)
                last = 0;
        qp->s_last = last;
-        spin_unlock_irqrestore(&qp->s_lock, flags);
+        if (qp->s_cur == old_last)
+                qp->s_cur = last;
+        if (qp->s_tail == old_last)
+                qp->s_tail = last;
+        if (qp->state == IB_QPS_SQD && last == qp->s_cur)
+                qp->s_draining = 0;
 }
diff --git a/drivers/infiniband/hw/ipath/ipath_uc.c b/drivers/infiniband/hw/ipath/ipath_uc.c
index bfe8926b5514..7fd18e833907 100644
--- a/drivers/infiniband/hw/ipath/ipath_uc.c
+++ b/drivers/infiniband/hw/ipath/ipath_uc.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
 * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
 *
 * This software is available to you under a choice of one of two
@@ -47,14 +47,30 @@ int ipath_make_uc_req(struct ipath_qp *qp)
 {
        struct ipath_other_headers *ohdr;
        struct ipath_swqe *wqe;
+        unsigned long flags;
        u32 hwords;
        u32 bth0;
        u32 len;
        u32 pmtu = ib_mtu_enum_to_int(qp->path_mtu);
        int ret = 0;
-        if (!(ib_ipath_state_ops[qp->state] & IPATH_PROCESS_SEND_OK))
+        spin_lock_irqsave(&qp->s_lock, flags);
+        if (!(ib_ipath_state_ops[qp->state] & IPATH_PROCESS_SEND_OK)) {
+                if (!(ib_ipath_state_ops[qp->state] & IPATH_FLUSH_SEND))
+                        goto bail;
+                /* We are in the error state, flush the work request. */
+                if (qp->s_last == qp->s_head)
+                        goto bail;
+                /* If DMAs are in progress, we can't flush immediately. */
+                if (atomic_read(&qp->s_dma_busy)) {
+                        qp->s_flags |= IPATH_S_WAIT_DMA;
+                        goto bail;
+                }
+                wqe = get_swqe_ptr(qp, qp->s_last);
+                ipath_send_complete(qp, wqe, IB_WC_WR_FLUSH_ERR);
                goto done;
+        }
        ohdr = &qp->s_hdr.u.oth;
        if (qp->remote_ah_attr.ah_flags & IB_AH_GRH)
@@ -69,9 +85,12 @@ int ipath_make_uc_req(struct ipath_qp *qp)
        qp->s_wqe = NULL;
        switch (qp->s_state) {
        default:
+                if (!(ib_ipath_state_ops[qp->state] &
+                    IPATH_PROCESS_NEXT_SEND_OK))
+                        goto bail;
                /* Check if send work queue is empty. */
                if (qp->s_cur == qp->s_head)
-                        goto done;
+                        goto bail;
                /*
                 * Start a new request.
                 */
@@ -134,7 +153,7 @@ int ipath_make_uc_req(struct ipath_qp *qp)
                        break;
                default:
-                        goto done;
+                        goto bail;
                }
                break;
@@ -194,9 +213,14 @@ int ipath_make_uc_req(struct ipath_qp *qp)
        ipath_make_ruc_header(to_idev(qp->ibqp.device),
                              qp, ohdr, bth0 | (qp->s_state << 24),
                              qp->s_next_psn++ & IPATH_PSN_MASK);
+done:
        ret = 1;
+        goto unlock;
-done:
+bail:
+        qp->s_flags &= ~IPATH_S_BUSY;
+unlock:
+        spin_unlock_irqrestore(&qp->s_lock, flags);
        return ret;
 }
@@ -258,8 +282,7 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
         */
        opcode = be32_to_cpu(ohdr->bth[0]) >> 24;
-        wc.imm_data = 0;
+        memset(&wc, 0, sizeof wc);
-        wc.wc_flags = 0;
        /* Compare the PSN verses the expected PSN. */
        if (unlikely(ipath_cmp24(psn, qp->r_psn) != 0)) {
@@ -322,8 +345,8 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
        case OP(SEND_ONLY):
        case OP(SEND_ONLY_WITH_IMMEDIATE):
        send_first:
-                if (qp->r_reuse_sge) {
+                if (qp->r_flags & IPATH_R_REUSE_SGE) {
-                        qp->r_reuse_sge = 0;
+                        qp->r_flags &= ~IPATH_R_REUSE_SGE;
                        qp->r_sge = qp->s_rdma_read_sge;
                } else if (!ipath_get_rwqe(qp, 0)) {
                        dev->n_pkt_drops++;
@@ -340,13 +363,13 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
        case OP(SEND_MIDDLE):
                /* Check for invalid length PMTU or posted rwqe len. */
                if (unlikely(tlen != (hdrsize + pmtu + 4))) {
-                        qp->r_reuse_sge = 1;
+                        qp->r_flags |= IPATH_R_REUSE_SGE;
                        dev->n_pkt_drops++;
                        goto done;
                }
                qp->r_rcv_len += pmtu;
                if (unlikely(qp->r_rcv_len > qp->r_len)) {
-                        qp->r_reuse_sge = 1;
+                        qp->r_flags |= IPATH_R_REUSE_SGE;
                        dev->n_pkt_drops++;
                        goto done;
                }
@@ -372,7 +395,7 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                /* Check for invalid length. */
                /* XXX LAST len should be >= 1 */
                if (unlikely(tlen < (hdrsize + pad + 4))) {
-                        qp->r_reuse_sge = 1;
+                        qp->r_flags |= IPATH_R_REUSE_SGE;
                        dev->n_pkt_drops++;
                        goto done;
                }
@@ -380,7 +403,7 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                tlen -= (hdrsize + pad + 4);
                wc.byte_len = tlen + qp->r_rcv_len;
                if (unlikely(wc.byte_len > qp->r_len)) {
-                        qp->r_reuse_sge = 1;
+                        qp->r_flags |= IPATH_R_REUSE_SGE;
                        dev->n_pkt_drops++;
                        goto done;
                }
@@ -390,14 +413,10 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                wc.wr_id = qp->r_wr_id;
                wc.status = IB_WC_SUCCESS;
                wc.opcode = IB_WC_RECV;
-                wc.vendor_err = 0;
                wc.qp = &qp->ibqp;
                wc.src_qp = qp->remote_qpn;
-                wc.pkey_index = 0;
                wc.slid = qp->remote_ah_attr.dlid;
                wc.sl = qp->remote_ah_attr.sl;
-                wc.dlid_path_bits = 0;
-                wc.port_num = 0;
                /* Signal completion event if the solicited bit is set. */
                ipath_cq_enter(to_icq(qp->ibqp.recv_cq), &wc,
                               (ohdr->bth[0] &
@@ -488,8 +507,8 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                        dev->n_pkt_drops++;
                        goto done;
                }
-                if (qp->r_reuse_sge)
+                if (qp->r_flags & IPATH_R_REUSE_SGE)
-                        qp->r_reuse_sge = 0;
+                        qp->r_flags &= ~IPATH_R_REUSE_SGE;
                else if (!ipath_get_rwqe(qp, 1)) {
                        dev->n_pkt_drops++;
                        goto done;
diff --git a/drivers/infiniband/hw/ipath/ipath_ud.c b/drivers/infiniband/hw/ipath/ipath_ud.c
index 8b6a261c89e3..77ca8ca74e78 100644
--- a/drivers/infiniband/hw/ipath/ipath_ud.c
+++ b/drivers/infiniband/hw/ipath/ipath_ud.c
@@ -65,9 +65,9 @@ static void ipath_ud_loopback(struct ipath_qp *sqp, struct ipath_swqe *swqe)
        u32 length;
        qp = ipath_lookup_qpn(&dev->qp_table, swqe->wr.wr.ud.remote_qpn);
-        if (!qp) {
+        if (!qp || !(ib_ipath_state_ops[qp->state] & IPATH_PROCESS_RECV_OK)) {
                dev->n_pkt_drops++;
-                goto send_comp;
+                goto done;
        }
        rsge.sg_list = NULL;
@@ -91,14 +91,12 @@ static void ipath_ud_loopback(struct ipath_qp *sqp, struct ipath_swqe *swqe)
         * present on the wire.
         */
        length = swqe->length;
+        memset(&wc, 0, sizeof wc);
        wc.byte_len = length + sizeof(struct ib_grh);
        if (swqe->wr.opcode == IB_WR_SEND_WITH_IMM) {
                wc.wc_flags = IB_WC_WITH_IMM;
                wc.imm_data = swqe->wr.ex.imm_data;
-        } else {
-                wc.wc_flags = 0;
-                wc.imm_data = 0;
        }
        /*
@@ -229,7 +227,6 @@ static void ipath_ud_loopback(struct ipath_qp *sqp, struct ipath_swqe *swqe)
        }
        wc.status = IB_WC_SUCCESS;
        wc.opcode = IB_WC_RECV;
-        wc.vendor_err = 0;
        wc.qp = &qp->ibqp;
        wc.src_qp = sqp->ibqp.qp_num;
        /* XXX do we know which pkey matched? Only needed for GSI. */
@@ -248,8 +245,7 @@ drop:
        kfree(rsge.sg_list);
        if (atomic_dec_and_test(&qp->refcount))
                wake_up(&qp->wait);
-send_comp:
+done:;
-        ipath_send_complete(sqp, swqe, IB_WC_SUCCESS);
 }
 /**
@@ -264,6 +260,7 @@ int ipath_make_ud_req(struct ipath_qp *qp)
        struct ipath_other_headers *ohdr;
        struct ib_ah_attr *ah_attr;
        struct ipath_swqe *wqe;
+        unsigned long flags;
        u32 nwords;
        u32 extra_bytes;
        u32 bth0;
@@ -271,13 +268,30 @@ int ipath_make_ud_req(struct ipath_qp *qp)
        u16 lid;
        int ret = 0;
-        if (unlikely(!(ib_ipath_state_ops[qp->state] & IPATH_PROCESS_SEND_OK)))
+        spin_lock_irqsave(&qp->s_lock, flags);
-                goto bail;
+        if (!(ib_ipath_state_ops[qp->state] & IPATH_PROCESS_NEXT_SEND_OK)) {
+                if (!(ib_ipath_state_ops[qp->state] & IPATH_FLUSH_SEND))
+                        goto bail;
+                /* We are in the error state, flush the work request. */
+                if (qp->s_last == qp->s_head)
+                        goto bail;
+                /* If DMAs are in progress, we can't flush immediately. */
+                if (atomic_read(&qp->s_dma_busy)) {
+                        qp->s_flags |= IPATH_S_WAIT_DMA;
+                        goto bail;
+                }
+                wqe = get_swqe_ptr(qp, qp->s_last);
+                ipath_send_complete(qp, wqe, IB_WC_WR_FLUSH_ERR);
+                goto done;
+        }
        if (qp->s_cur == qp->s_head)
                goto bail;
        wqe = get_swqe_ptr(qp, qp->s_cur);
+        if (++qp->s_cur >= qp->s_size)
+                qp->s_cur = 0;
        /* Construct the header. */
        ah_attr = &to_iah(wqe->wr.wr.ud.ah)->attr;
@@ -288,10 +302,23 @@ int ipath_make_ud_req(struct ipath_qp *qp)
                        dev->n_unicast_xmit++;
        } else {
                dev->n_unicast_xmit++;
-                lid = ah_attr->dlid &
+                lid = ah_attr->dlid & ~((1 << dev->dd->ipath_lmc) - 1);
-                        ~((1 << dev->dd->ipath_lmc) - 1);
                if (unlikely(lid == dev->dd->ipath_lid)) {
+                        /*
+                         * If DMAs are in progress, we can't generate
+                         * a completion for the loopback packet since
+                         * it would be out of order.
+                         * XXX Instead of waiting, we could queue a
+                         * zero length descriptor so we get a callback.
+                         */
+                        if (atomic_read(&qp->s_dma_busy)) {
+                                qp->s_flags |= IPATH_S_WAIT_DMA;
+                                goto bail;
+                        }
+                        spin_unlock_irqrestore(&qp->s_lock, flags);
                        ipath_ud_loopback(qp, wqe);
+                        spin_lock_irqsave(&qp->s_lock, flags);
+                        ipath_send_complete(qp, wqe, IB_WC_SUCCESS);
                        goto done;
                }
        }
@@ -368,11 +395,13 @@ int ipath_make_ud_req(struct ipath_qp *qp)
        ohdr->u.ud.deth[1] = cpu_to_be32(qp->ibqp.qp_num);
 done:
-        if (++qp->s_cur >= qp->s_size)
-                qp->s_cur = 0;
        ret = 1;
+        goto unlock;
 bail:
+        qp->s_flags &= ~IPATH_S_BUSY;
+unlock:
+        spin_unlock_irqrestore(&qp->s_lock, flags);
        return ret;
 }
@@ -506,8 +535,8 @@ void ipath_ud_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
        /*
         * Get the next work request entry to find where to put the data.
         */
-        if (qp->r_reuse_sge)
+        if (qp->r_flags & IPATH_R_REUSE_SGE)
-                qp->r_reuse_sge = 0;
+                qp->r_flags &= ~IPATH_R_REUSE_SGE;
        else if (!ipath_get_rwqe(qp, 0)) {
                /*
                 * Count VL15 packets dropped due to no receive buffer.
@@ -523,7 +552,7 @@ void ipath_ud_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
        }
        /* Silently drop packets which are too big. */
        if (wc.byte_len > qp->r_len) {
-                qp->r_reuse_sge = 1;
+                qp->r_flags |= IPATH_R_REUSE_SGE;
                dev->n_pkt_drops++;
                goto bail;
        }
@@ -535,7 +564,8 @@ void ipath_ud_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                ipath_skip_sge(&qp->r_sge, sizeof(struct ib_grh));
        ipath_copy_sge(&qp->r_sge, data,
                       wc.byte_len - sizeof(struct ib_grh));
-        qp->r_wrid_valid = 0;
+        if (!test_and_clear_bit(IPATH_R_WRID_VALID, &qp->r_aflags))
+                goto bail;
        wc.wr_id = qp->r_wr_id;
        wc.status = IB_WC_SUCCESS;
        wc.opcode = IB_WC_RECV;
diff --git a/drivers/infiniband/hw/ipath/ipath_user_sdma.h b/drivers/infiniband/hw/ipath/ipath_user_sdma.h
index e70946c1428c..fc76316c4a58 100644
--- a/drivers/infiniband/hw/ipath/ipath_user_sdma.h
+++ b/drivers/infiniband/hw/ipath/ipath_user_sdma.h
@@ -45,8 +45,6 @@ int ipath_user_sdma_writev(struct ipath_devdata *dd,
 int ipath_user_sdma_make_progress(struct ipath_devdata *dd,
                                  struct ipath_user_sdma_queue *pq);
-int ipath_user_sdma_pkt_sent(const struct ipath_user_sdma_queue *pq,
-                             u32 counter);
 void ipath_user_sdma_queue_drain(struct ipath_devdata *dd,
                                 struct ipath_user_sdma_queue *pq);
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c
index 5015cd2e57bd..e0ec540042bf 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c
@@ -111,16 +111,24 @@ static unsigned int ib_ipath_disable_sma;
 module_param_named(disable_sma, ib_ipath_disable_sma, uint, S_IWUSR | S_IRUGO);
 MODULE_PARM_DESC(disable_sma, "Disable the SMA");
+/*
+ * Note that it is OK to post send work requests in the SQE and ERR
+ * states; ipath_do_send() will process them and generate error
+ * completions as per IB 1.2 C10-96.
+ */
 const int ib_ipath_state_ops[IB_QPS_ERR + 1] = {
        [IB_QPS_RESET] = 0,
        [IB_QPS_INIT] = IPATH_POST_RECV_OK,
        [IB_QPS_RTR] = IPATH_POST_RECV_OK | IPATH_PROCESS_RECV_OK,
        [IB_QPS_RTS] = IPATH_POST_RECV_OK | IPATH_PROCESS_RECV_OK |
-            IPATH_POST_SEND_OK | IPATH_PROCESS_SEND_OK,
+            IPATH_POST_SEND_OK | IPATH_PROCESS_SEND_OK |
+            IPATH_PROCESS_NEXT_SEND_OK,
        [IB_QPS_SQD] = IPATH_POST_RECV_OK | IPATH_PROCESS_RECV_OK |
-            IPATH_POST_SEND_OK,
+            IPATH_POST_SEND_OK | IPATH_PROCESS_SEND_OK,
-        [IB_QPS_SQE] = IPATH_POST_RECV_OK | IPATH_PROCESS_RECV_OK,
+        [IB_QPS_SQE] = IPATH_POST_RECV_OK | IPATH_PROCESS_RECV_OK |
-        [IB_QPS_ERR] = 0,
+            IPATH_POST_SEND_OK | IPATH_FLUSH_SEND,
+        [IB_QPS_ERR] = IPATH_POST_RECV_OK | IPATH_FLUSH_RECV |
+            IPATH_POST_SEND_OK | IPATH_FLUSH_SEND,
 };
 struct ipath_ucontext {
@@ -230,18 +238,6 @@ void ipath_skip_sge(struct ipath_sge_state *ss, u32 length)
        }
 }
-static void ipath_flush_wqe(struct ipath_qp *qp, struct ib_send_wr *wr)
-{
-        struct ib_wc wc;
-        memset(&wc, 0, sizeof(wc));
-        wc.wr_id = wr->wr_id;
-        wc.status = IB_WC_WR_FLUSH_ERR;
-        wc.opcode = ib_ipath_wc_opcode[wr->opcode];
-        wc.qp = &qp->ibqp;
-        ipath_cq_enter(to_icq(qp->ibqp.send_cq), &wc, 1);
-}
 /*
 * Count the number of DMA descriptors needed to send length bytes of data.
 * Don't modify the ipath_sge_state to get the count.
@@ -347,14 +343,8 @@ static int ipath_post_one_send(struct ipath_qp *qp, struct ib_send_wr *wr)
        spin_lock_irqsave(&qp->s_lock, flags);
        /* Check that state is OK to post send. */
-        if (unlikely(!(ib_ipath_state_ops[qp->state] & IPATH_POST_SEND_OK))) {
+        if (unlikely(!(ib_ipath_state_ops[qp->state] & IPATH_POST_SEND_OK)))
-                if (qp->state != IB_QPS_SQE && qp->state != IB_QPS_ERR)
+                goto bail_inval;
-                        goto bail_inval;
-                /* C10-96 says generate a flushed completion entry. */
-                ipath_flush_wqe(qp, wr);
-                ret = 0;
-                goto bail;
-        }
        /* IB spec says that num_sge == 0 is OK. */
        if (wr->num_sge > qp->s_max_sge)
@@ -677,6 +667,7 @@ bail:;
 static void ipath_ib_timer(struct ipath_ibdev *dev)
 {
        struct ipath_qp *resend = NULL;
+        struct ipath_qp *rnr = NULL;
        struct list_head *last;
        struct ipath_qp *qp;
        unsigned long flags;
@@ -703,7 +694,9 @@ static void ipath_ib_timer(struct ipath_ibdev *dev)
                if (--qp->s_rnr_timeout == 0) {
                        do {
                                list_del_init(&qp->timerwait);
-                                tasklet_hi_schedule(&qp->s_task);
+                                qp->timer_next = rnr;
+                                rnr = qp;
+                                atomic_inc(&qp->refcount);
                                if (list_empty(last))
                                        break;
                                qp = list_entry(last->next, struct ipath_qp,
@@ -743,13 +736,15 @@ static void ipath_ib_timer(struct ipath_ibdev *dev)
        spin_unlock_irqrestore(&dev->pending_lock, flags);
        /* XXX What if timer fires again while this is running? */
-        for (qp = resend; qp != NULL; qp = qp->timer_next) {
+        while (resend != NULL) {
-                struct ib_wc wc;
+                qp = resend;
+                resend = qp->timer_next;
                spin_lock_irqsave(&qp->s_lock, flags);
-                if (qp->s_last != qp->s_tail && qp->state == IB_QPS_RTS) {
+                if (qp->s_last != qp->s_tail &&
+                    ib_ipath_state_ops[qp->state] & IPATH_PROCESS_SEND_OK) {
                        dev->n_timeouts++;
-                        ipath_restart_rc(qp, qp->s_last_psn + 1, &wc);
+                        ipath_restart_rc(qp, qp->s_last_psn + 1);
                }
                spin_unlock_irqrestore(&qp->s_lock, flags);
@@ -757,6 +752,19 @@ static void ipath_ib_timer(struct ipath_ibdev *dev)
                if (atomic_dec_and_test(&qp->refcount))
                        wake_up(&qp->wait);
        }
+        while (rnr != NULL) {
+                qp = rnr;
+                rnr = qp->timer_next;
+                spin_lock_irqsave(&qp->s_lock, flags);
+                if (ib_ipath_state_ops[qp->state] & IPATH_PROCESS_SEND_OK)
+                        ipath_schedule_send(qp);
+                spin_unlock_irqrestore(&qp->s_lock, flags);
+                /* Notify ipath_destroy_qp() if it is waiting. */
+                if (atomic_dec_and_test(&qp->refcount))
+                        wake_up(&qp->wait);
+        }
 }
 static void update_sge(struct ipath_sge_state *ss, u32 length)
@@ -1012,13 +1020,24 @@ static void sdma_complete(void *cookie, int status)
        struct ipath_verbs_txreq *tx = cookie;
        struct ipath_qp *qp = tx->qp;
        struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
+        unsigned int flags;
+        enum ib_wc_status ibs = status == IPATH_SDMA_TXREQ_S_OK ?
+                IB_WC_SUCCESS : IB_WC_WR_FLUSH_ERR;
-        /* Generate a completion queue entry if needed */
+        if (atomic_dec_and_test(&qp->s_dma_busy)) {
-        if (qp->ibqp.qp_type != IB_QPT_RC && tx->wqe) {
+                spin_lock_irqsave(&qp->s_lock, flags);
-                enum ib_wc_status ibs = status == IPATH_SDMA_TXREQ_S_OK ?
+                if (tx->wqe)
-                        IB_WC_SUCCESS : IB_WC_WR_FLUSH_ERR;
+                        ipath_send_complete(qp, tx->wqe, ibs);
+                if ((ib_ipath_state_ops[qp->state] & IPATH_FLUSH_SEND &&
+                     qp->s_last != qp->s_head) ||
+                    (qp->s_flags & IPATH_S_WAIT_DMA))
+                        ipath_schedule_send(qp);
+                spin_unlock_irqrestore(&qp->s_lock, flags);
+                wake_up(&qp->wait_dma);
+        } else if (tx->wqe) {
+                spin_lock_irqsave(&qp->s_lock, flags);
                ipath_send_complete(qp, tx->wqe, ibs);
+                spin_unlock_irqrestore(&qp->s_lock, flags);
        }
        if (tx->txreq.flags & IPATH_SDMA_TXREQ_F_FREEBUF)
@@ -1029,6 +1048,21 @@ static void sdma_complete(void *cookie, int status)
                wake_up(&qp->wait);
 }
+static void decrement_dma_busy(struct ipath_qp *qp)
+{
+        unsigned int flags;
+        if (atomic_dec_and_test(&qp->s_dma_busy)) {
+                spin_lock_irqsave(&qp->s_lock, flags);
+                if ((ib_ipath_state_ops[qp->state] & IPATH_FLUSH_SEND &&
+                     qp->s_last != qp->s_head) ||
+                    (qp->s_flags & IPATH_S_WAIT_DMA))
+                        ipath_schedule_send(qp);
+                spin_unlock_irqrestore(&qp->s_lock, flags);
+                wake_up(&qp->wait_dma);
+        }
+}
 /*
 * Compute the number of clock cycles of delay before sending the next packet.
 * The multipliers reflect the number of clocks for the fastest rate so
@@ -1067,9 +1101,12 @@ static int ipath_verbs_send_dma(struct ipath_qp *qp,
        if (tx) {
                qp->s_tx = NULL;
                /* resend previously constructed packet */
+                atomic_inc(&qp->s_dma_busy);
                ret = ipath_sdma_verbs_send(dd, tx->ss, tx->len, tx);
-                if (ret)
+                if (ret) {
                        qp->s_tx = tx;
+                        decrement_dma_busy(qp);
+                }
                goto bail;
        }
@@ -1120,12 +1157,14 @@ static int ipath_verbs_send_dma(struct ipath_qp *qp,
                tx->txreq.sg_count = ndesc;
                tx->map_len = (hdrwords + 2) << 2;
                tx->txreq.map_addr = &tx->hdr;
+                atomic_inc(&qp->s_dma_busy);
                ret = ipath_sdma_verbs_send(dd, ss, dwords, tx);
                if (ret) {
                        /* save ss and length in dwords */
                        tx->ss = ss;
                        tx->len = dwords;
                        qp->s_tx = tx;
+                        decrement_dma_busy(qp);
                }
                goto bail;
        }
@@ -1146,6 +1185,7 @@ static int ipath_verbs_send_dma(struct ipath_qp *qp,
        memcpy(piobuf, hdr, hdrwords << 2);
        ipath_copy_from_sge(piobuf + hdrwords, ss, len);
+        atomic_inc(&qp->s_dma_busy);
        ret = ipath_sdma_verbs_send(dd, NULL, 0, tx);
        /*
         * If we couldn't queue the DMA request, save the info
@@ -1156,6 +1196,7 @@ static int ipath_verbs_send_dma(struct ipath_qp *qp,
                tx->ss = NULL;
                tx->len = 0;
                qp->s_tx = tx;
+                decrement_dma_busy(qp);
        }
        dev->n_unaligned++;
        goto bail;
@@ -1179,6 +1220,7 @@ static int ipath_verbs_send_pio(struct ipath_qp *qp,
        unsigned flush_wc;
        u32 control;
        int ret;
+        unsigned int flags;
        piobuf = ipath_getpiobuf(dd, plen, NULL);
        if (unlikely(piobuf == NULL)) {
@@ -1249,8 +1291,11 @@ static int ipath_verbs_send_pio(struct ipath_qp *qp,
        }
        copy_io(piobuf, ss, len, flush_wc);
 done:
-        if (qp->s_wqe)
+        if (qp->s_wqe) {
+                spin_lock_irqsave(&qp->s_lock, flags);
                ipath_send_complete(qp, qp->s_wqe, IB_WC_SUCCESS);
+                spin_unlock_irqrestore(&qp->s_lock, flags);
+        }
        ret = 0;
 bail:
        return ret;
@@ -1283,19 +1328,12 @@ int ipath_verbs_send(struct ipath_qp *qp, struct ipath_ib_header *hdr,
         * can defer SDMA restart until link goes ACTIVE without
         * worrying about just how we got there.
         */
-        if (qp->ibqp.qp_type == IB_QPT_SMI)
+        if (qp->ibqp.qp_type == IB_QPT_SMI ||
+            !(dd->ipath_flags & IPATH_HAS_SEND_DMA))
                ret = ipath_verbs_send_pio(qp, hdr, hdrwords, ss, len,
                                           plen, dwords);
-        /* All non-VL15 packets are dropped if link is not ACTIVE */
-        else if (!(dd->ipath_flags & IPATH_LINKACTIVE)) {
-                if (qp->s_wqe)
-                        ipath_send_complete(qp, qp->s_wqe, IB_WC_SUCCESS);
-                ret = 0;
-        } else if (dd->ipath_flags & IPATH_HAS_SEND_DMA)
-                ret = ipath_verbs_send_dma(qp, hdr, hdrwords, ss, len,
-                                           plen, dwords);
        else
-                ret = ipath_verbs_send_pio(qp, hdr, hdrwords, ss, len,
+                ret = ipath_verbs_send_dma(qp, hdr, hdrwords, ss, len,
                                           plen, dwords);
        return ret;
@@ -1403,27 +1441,46 @@ bail:
 * This is called from ipath_intr() at interrupt level when a PIO buffer is
 * available after ipath_verbs_send() returned an error that no buffers were
 * available.  Return 1 if we consumed all the PIO buffers and we still have
- * QPs waiting for buffers (for now, just do a tasklet_hi_schedule and
+ * QPs waiting for buffers (for now, just restart the send tasklet and
 * return zero).
 */
 int ipath_ib_piobufavail(struct ipath_ibdev *dev)
 {
+        struct list_head *list;
+        struct ipath_qp *qplist;
        struct ipath_qp *qp;
        unsigned long flags;
        if (dev == NULL)
                goto bail;
+        list = &dev->piowait;
+        qplist = NULL;
        spin_lock_irqsave(&dev->pending_lock, flags);
-        while (!list_empty(&dev->piowait)) {
+        while (!list_empty(list)) {
-                qp = list_entry(dev->piowait.next, struct ipath_qp,
+                qp = list_entry(list->next, struct ipath_qp, piowait);
-                                piowait);
                list_del_init(&qp->piowait);
-                clear_bit(IPATH_S_BUSY, &qp->s_busy);
+                qp->pio_next = qplist;
-                tasklet_hi_schedule(&qp->s_task);
+                qplist = qp;
+                atomic_inc(&qp->refcount);
        }
        spin_unlock_irqrestore(&dev->pending_lock, flags);
+        while (qplist != NULL) {
+                qp = qplist;
+                qplist = qp->pio_next;
+                spin_lock_irqsave(&qp->s_lock, flags);
+                if (ib_ipath_state_ops[qp->state] & IPATH_PROCESS_SEND_OK)
+                        ipath_schedule_send(qp);
+                spin_unlock_irqrestore(&qp->s_lock, flags);
+                /* Notify ipath_destroy_qp() if it is waiting. */
+                if (atomic_dec_and_test(&qp->refcount))
+                        wake_up(&qp->wait);
+        }
 bail:
        return 0;
 }
@@ -2145,11 +2202,12 @@ bail:
 void ipath_unregister_ib_device(struct ipath_ibdev *dev)
 {
        struct ib_device *ibdev = &dev->ibdev;
+        u32 qps_inuse;
-        disable_timer(dev->dd);
        ib_unregister_device(ibdev);
+        disable_timer(dev->dd);
        if (!list_empty(&dev->pending[0]) ||
            !list_empty(&dev->pending[1]) ||
            !list_empty(&dev->pending[2]))
@@ -2164,7 +2222,10 @@ void ipath_unregister_ib_device(struct ipath_ibdev *dev)
         * Note that ipath_unregister_ib_device() can be called before all
         * the QPs are destroyed!
         */
-        ipath_free_all_qps(&dev->qp_table);
+        qps_inuse = ipath_free_all_qps(&dev->qp_table);
+        if (qps_inuse)
+                ipath_dev_err(dev->dd, "QP memory leak! %u still in use\n",
+                        qps_inuse);
        kfree(dev->qp_table.table);
        kfree(dev->lk_table.table);
        kfree(dev->txreq_bufs);
@@ -2215,17 +2276,14 @@ static ssize_t show_stats(struct device *device, struct device_attribute *attr,
                      "RC OTH NAKs %d\n"
                      "RC timeouts %d\n"
                      "RC RDMA dup %d\n"
-                      "RC stalls   %d\n"
                      "piobuf wait %d\n"
-                      "no piobuf   %d\n"
                      "unaligned   %d\n"
                      "PKT drops   %d\n"
                      "WQE errs    %d\n",
                      dev->n_rc_resends, dev->n_rc_qacks, dev->n_rc_acks,
                      dev->n_seq_naks, dev->n_rdma_seq, dev->n_rnr_naks,
                      dev->n_other_naks, dev->n_timeouts,
-                      dev->n_rdma_dup_busy, dev->n_rc_stalls, dev->n_piowait,
+                      dev->n_rdma_dup_busy, dev->n_piowait, dev->n_unaligned,
-                      dev->n_no_piobuf, dev->n_unaligned,
                      dev->n_pkt_drops, dev->n_wqe_errs);
        for (i = 0; i < ARRAY_SIZE(dev->opstats); i++) {
                const struct ipath_opcode_stats *si = &dev->opstats[i];
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.h b/drivers/infiniband/hw/ipath/ipath_verbs.h
index 6514aa8306cd..9d12ae8a778e 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.h
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.h
@@ -74,6 +74,11 @@
 #define IPATH_POST_RECV_OK              0x02
 #define IPATH_PROCESS_RECV_OK           0x04
 #define IPATH_PROCESS_SEND_OK           0x08
+#define IPATH_PROCESS_NEXT_SEND_OK      0x10
+#define IPATH_FLUSH_SEND                0x20
+#define IPATH_FLUSH_RECV                0x40
+#define IPATH_PROCESS_OR_FLUSH_SEND \
+        (IPATH_PROCESS_SEND_OK | IPATH_FLUSH_SEND)
 /* IB Performance Manager status values */
 #define IB_PMA_SAMPLE_STATUS_DONE       0x00
@@ -353,12 +358,14 @@ struct ipath_qp {
        struct ib_qp ibqp;
        struct ipath_qp *next;          /* link list for QPN hash table */
        struct ipath_qp *timer_next;    /* link list for ipath_ib_timer() */
+        struct ipath_qp *pio_next;      /* link for ipath_ib_piobufavail() */
        struct list_head piowait;       /* link for wait PIO buf */
        struct list_head timerwait;     /* link for waiting for timeouts */
        struct ib_ah_attr remote_ah_attr;
        struct ipath_ib_header s_hdr;   /* next packet header to send */
        atomic_t refcount;
        wait_queue_head_t wait;
+        wait_queue_head_t wait_dma;
        struct tasklet_struct s_task;
        struct ipath_mmap_info *ip;
        struct ipath_sge_state *s_cur_sge;
@@ -369,7 +376,7 @@ struct ipath_qp {
        struct ipath_sge_state s_rdma_read_sge;
        struct ipath_sge_state r_sge;   /* current receive data */
        spinlock_t s_lock;
-        unsigned long s_busy;
+        atomic_t s_dma_busy;
        u16 s_pkt_delay;
        u16 s_hdrwords;         /* size of s_hdr in 32 bit words */
        u32 s_cur_size;         /* size of send packet in bytes */
@@ -383,6 +390,7 @@ struct ipath_qp {
        u32 s_rnr_timeout;      /* number of milliseconds for RNR timeout */
        u32 r_ack_psn;          /* PSN for next ACK or atomic ACK */
        u64 r_wr_id;            /* ID for current receive WQE */
+        unsigned long r_aflags;
        u32 r_len;              /* total length of r_sge */
        u32 r_rcv_len;          /* receive data len processed */
        u32 r_psn;              /* expected rcv packet sequence number */
@@ -394,8 +402,7 @@ struct ipath_qp {
        u8 r_state;             /* opcode of last packet received */
        u8 r_nak_state;         /* non-zero if NAK is pending */
        u8 r_min_rnr_timer;     /* retry timeout value for RNR NAKs */
-        u8 r_reuse_sge;         /* for UC receive errors */
+        u8 r_flags;
-        u8 r_wrid_valid;        /* r_wrid set but CQ entry not yet made */
        u8 r_max_rd_atomic;     /* max number of RDMA read/atomic to receive */
        u8 r_head_ack_queue;    /* index into s_ack_queue[] */
        u8 qp_access_flags;
@@ -404,13 +411,13 @@ struct ipath_qp {
        u8 s_rnr_retry_cnt;
        u8 s_retry;             /* requester retry counter */
        u8 s_rnr_retry;         /* requester RNR retry counter */
-        u8 s_wait_credit;       /* limit number of unacked packets sent */
        u8 s_pkey_index;        /* PKEY index to use */
        u8 s_max_rd_atomic;     /* max number of RDMA read/atomic to send */
        u8 s_num_rd_atomic;     /* number of RDMA read/atomic pending */
        u8 s_tail_ack_queue;    /* index into s_ack_queue[] */
        u8 s_flags;
        u8 s_dmult;
+        u8 s_draining;
        u8 timeout;             /* Timeout for this QP */
        enum ib_mtu path_mtu;
        u32 remote_qpn;
@@ -428,16 +435,40 @@ struct ipath_qp {
        struct ipath_sge r_sg_list[0];  /* verified SGEs */
 };
-/* Bit definition for s_busy. */
+/*
-#define IPATH_S_BUSY            0
+ * Atomic bit definitions for r_aflags.
+ */
+#define IPATH_R_WRID_VALID      0
+/*
+ * Bit definitions for r_flags.
+ */
+#define IPATH_R_REUSE_SGE       0x01
+#define IPATH_R_RDMAR_SEQ       0x02
 /*
 * Bit definitions for s_flags.
+ *
+ * IPATH_S_FENCE_PENDING - waiting for all prior RDMA read or atomic SWQEs
+ *                         before processing the next SWQE
+ * IPATH_S_RDMAR_PENDING - waiting for any RDMA read or atomic SWQEs
+ *                         before processing the next SWQE
+ * IPATH_S_WAITING - waiting for RNR timeout or send buffer available.
+ * IPATH_S_WAIT_SSN_CREDIT - waiting for RC credits to process next SWQE
+ * IPATH_S_WAIT_DMA - waiting for send DMA queue to drain before generating
+ *                    next send completion entry not via send DMA.
 */
 #define IPATH_S_SIGNAL_REQ_WR   0x01
 #define IPATH_S_FENCE_PENDING   0x02
 #define IPATH_S_RDMAR_PENDING   0x04
 #define IPATH_S_ACK_PENDING     0x08
+#define IPATH_S_BUSY            0x10
+#define IPATH_S_WAITING         0x20
+#define IPATH_S_WAIT_SSN_CREDIT 0x40
+#define IPATH_S_WAIT_DMA        0x80
+#define IPATH_S_ANY_WAIT (IPATH_S_FENCE_PENDING | IPATH_S_RDMAR_PENDING | \
+        IPATH_S_WAITING | IPATH_S_WAIT_SSN_CREDIT | IPATH_S_WAIT_DMA)
 #define IPATH_PSN_CREDIT        512
@@ -573,13 +604,11 @@ struct ipath_ibdev {
        u32 n_rnr_naks;
        u32 n_other_naks;
        u32 n_timeouts;
-        u32 n_rc_stalls;
        u32 n_pkt_drops;
        u32 n_vl15_dropped;
        u32 n_wqe_errs;
        u32 n_rdma_dup_busy;
        u32 n_piowait;
-        u32 n_no_piobuf;
        u32 n_unaligned;
        u32 port_cap_flags;
        u32 pma_sample_start;
@@ -657,6 +686,17 @@ static inline struct ipath_ibdev *to_idev(struct ib_device *ibdev)
        return container_of(ibdev, struct ipath_ibdev, ibdev);
 }
+/*
+ * This must be called with s_lock held.
+ */
+static inline void ipath_schedule_send(struct ipath_qp *qp)
+{
+        if (qp->s_flags & IPATH_S_ANY_WAIT)
+                qp->s_flags &= ~IPATH_S_ANY_WAIT;
+        if (!(qp->s_flags & IPATH_S_BUSY))
+                tasklet_hi_schedule(&qp->s_task);
+}
 int ipath_process_mad(struct ib_device *ibdev,
                      int mad_flags,
                      u8 port_num,
@@ -706,12 +746,10 @@ int ipath_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
 int ipath_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
                   int attr_mask, struct ib_qp_init_attr *init_attr);
-void ipath_free_all_qps(struct ipath_qp_table *qpt);
+unsigned ipath_free_all_qps(struct ipath_qp_table *qpt);
 int ipath_init_qp_table(struct ipath_ibdev *idev, int size);
-void ipath_sqerror_qp(struct ipath_qp *qp, struct ib_wc *wc);
 void ipath_get_credit(struct ipath_qp *qp, u32 aeth);
 unsigned ipath_ib_rate_to_mult(enum ib_rate rate);
@@ -729,7 +767,9 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
 void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                  int has_grh, void *data, u32 tlen, struct ipath_qp *qp);
-void ipath_restart_rc(struct ipath_qp *qp, u32 psn, struct ib_wc *wc);
+void ipath_restart_rc(struct ipath_qp *qp, u32 psn);
+void ipath_rc_error(struct ipath_qp *qp, enum ib_wc_status err);
 int ipath_post_ud_send(struct ipath_qp *qp, struct ib_send_wr *wr);
diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c
index 9f7364a9096d..a4e9269a29bd 100644
--- a/drivers/infiniband/hw/nes/nes.c
+++ b/drivers/infiniband/hw/nes/nes.c
@@ -91,10 +91,6 @@ unsigned int nes_debug_level = 0;
 module_param_named(debug_level, nes_debug_level, uint, 0644);
 MODULE_PARM_DESC(debug_level, "Enable debug output level");
-unsigned int nes_lro_max_aggr = NES_LRO_MAX_AGGR;
-module_param(nes_lro_max_aggr, int, NES_LRO_MAX_AGGR);
-MODULE_PARM_DESC(nes_mro_max_aggr, " nic LRO MAX packet aggregation");
 LIST_HEAD(nes_adapter_list);
 static LIST_HEAD(nes_dev_list);
diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h
index 1f9f7bf73862..61b46e9c7d2d 100644
--- a/drivers/infiniband/hw/nes/nes.h
+++ b/drivers/infiniband/hw/nes/nes.h
@@ -173,7 +173,6 @@ extern int disable_mpa_crc;
 extern unsigned int send_first;
 extern unsigned int nes_drv_opt;
 extern unsigned int nes_debug_level;
-extern unsigned int nes_lro_max_aggr;
 extern struct list_head nes_adapter_list;
diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index 8dc70f9bad2f..d3278f111ca7 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -42,6 +42,10 @@
 #include "nes.h"
+static unsigned int nes_lro_max_aggr = NES_LRO_MAX_AGGR;
+module_param(nes_lro_max_aggr, uint, 0444);
+MODULE_PARM_DESC(nes_lro_max_aggr, "NIC LRO max packet aggregation");
 static u32 crit_err_count;
 u32 int_mod_timer_init;
 u32 int_mod_cq_depth_256;
@@ -1738,7 +1742,7 @@ int nes_init_nic_qp(struct nes_device *nesdev, struct net_device *netdev)
                        jumbomode = 1;
                nes_nic_init_timer_defaults(nesdev, jumbomode);
        }
-        nesvnic->lro_mgr.max_aggr       = NES_LRO_MAX_AGGR;
+        nesvnic->lro_mgr.max_aggr       = nes_lro_max_aggr;
        nesvnic->lro_mgr.max_desc       = NES_MAX_LRO_DESCRIPTORS;
        nesvnic->lro_mgr.lro_arr        = nesvnic->lro_desc;
        nesvnic->lro_mgr.get_skb_header = nes_lro_get_skb_hdr;
diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c
index b8b9e44f7f4e..dbaad39020a1 100644
--- a/drivers/macintosh/adb.c
+++ b/drivers/macintosh/adb.c
@@ -334,7 +334,7 @@ int __init adb_init(void)
        return 0;
 }
-__initcall(adb_init);
+device_initcall(adb_init);
 static int
 do_adb_reset_bus(void)
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index 0b8511776b3e..10748240cb2f 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -250,6 +250,7 @@ static int linear_run (mddev_t *mddev)
 {
        linear_conf_t *conf;
+        mddev->queue->queue_lock = &mddev->queue->__queue_lock;
        conf = linear_conf(mddev, mddev->raid_disks);
        if (!conf)
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index 42ee1a2dc144..4f4d1f383842 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -417,6 +417,7 @@ static int multipath_run (mddev_t *mddev)
         * bookkeeping area. [whatever we allocate in multipath_run(),
         * should be freed in multipath_stop()]
         */
+        mddev->queue->queue_lock = &mddev->queue->__queue_lock;
        conf = kzalloc(sizeof(multipath_conf_t), GFP_KERNEL);
        mddev->private = conf;
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 818b48284096..914c04ddec7c 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -280,6 +280,7 @@ static int raid0_run (mddev_t *mddev)
               (mddev->chunk_size>>1)-1);
        blk_queue_max_sectors(mddev->queue, mddev->chunk_size >> 9);
        blk_queue_segment_boundary(mddev->queue, (mddev->chunk_size>>1) - 1);
+        mddev->queue->queue_lock = &mddev->queue->__queue_lock;
        conf = kmalloc(sizeof (raid0_conf_t), GFP_KERNEL);
        if (!conf)
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 6778b7cb39bd..ac409b7d83f5 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1935,6 +1935,9 @@ static int run(mddev_t *mddev)
        if (!conf->r1bio_pool)
                goto out_no_mem;
+        spin_lock_init(&conf->device_lock);
+        mddev->queue->queue_lock = &conf->device_lock;
        rdev_for_each(rdev, tmp, mddev) {
                disk_idx = rdev->raid_disk;
                if (disk_idx >= mddev->raid_disks
@@ -1958,7 +1961,6 @@ static int run(mddev_t *mddev)
        }
        conf->raid_disks = mddev->raid_disks;
        conf->mddev = mddev;
-        spin_lock_init(&conf->device_lock);
        INIT_LIST_HEAD(&conf->retry_list);
        spin_lock_init(&conf->resync_lock);
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index faf3d8912979..8536ede1e712 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -2082,6 +2082,9 @@ static int run(mddev_t *mddev)
                goto out_free_conf;
        }
+        spin_lock_init(&conf->device_lock);
+        mddev->queue->queue_lock = &conf->device_lock;
        rdev_for_each(rdev, tmp, mddev) {
                disk_idx = rdev->raid_disk;
                if (disk_idx >= mddev->raid_disks
@@ -2103,7 +2106,6 @@ static int run(mddev_t *mddev)
                disk->head_position = 0;
        }
-        spin_lock_init(&conf->device_lock);
        INIT_LIST_HEAD(&conf->retry_list);
        spin_lock_init(&conf->resync_lock);
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 087eee0cb809..93fde48c0f42 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -2369,8 +2369,8 @@ static void handle_parity_checks5(raid5_conf_t *conf, struct stripe_head *sh,
        /* complete a check operation */
        if (test_and_clear_bit(STRIPE_OP_CHECK, &sh->ops.complete)) {
-            clear_bit(STRIPE_OP_CHECK, &sh->ops.ack);
+                clear_bit(STRIPE_OP_CHECK, &sh->ops.ack);
-            clear_bit(STRIPE_OP_CHECK, &sh->ops.pending);
+                clear_bit(STRIPE_OP_CHECK, &sh->ops.pending);
                if (s->failed == 0) {
                        if (sh->ops.zero_sum_result == 0)
                                /* parity is correct (on disc,
@@ -2400,16 +2400,6 @@ static void handle_parity_checks5(raid5_conf_t *conf, struct stripe_head *sh,
                        canceled_check = 1; /* STRIPE_INSYNC is not set */
        }
-        /* check if we can clear a parity disk reconstruct */
-        if (test_bit(STRIPE_OP_COMPUTE_BLK, &sh->ops.complete) &&
-                test_bit(STRIPE_OP_MOD_REPAIR_PD, &sh->ops.pending)) {
-                clear_bit(STRIPE_OP_MOD_REPAIR_PD, &sh->ops.pending);
-                clear_bit(STRIPE_OP_COMPUTE_BLK, &sh->ops.complete);
-                clear_bit(STRIPE_OP_COMPUTE_BLK, &sh->ops.ack);
-                clear_bit(STRIPE_OP_COMPUTE_BLK, &sh->ops.pending);
-        }
        /* start a new check operation if there are no failures, the stripe is
         * not insync, and a repair is not in flight
         */
@@ -2424,6 +2414,17 @@ static void handle_parity_checks5(raid5_conf_t *conf, struct stripe_head *sh,
                }
        }
+        /* check if we can clear a parity disk reconstruct */
+        if (test_bit(STRIPE_OP_COMPUTE_BLK, &sh->ops.complete) &&
+            test_bit(STRIPE_OP_MOD_REPAIR_PD, &sh->ops.pending)) {
+                clear_bit(STRIPE_OP_MOD_REPAIR_PD, &sh->ops.pending);
+                clear_bit(STRIPE_OP_COMPUTE_BLK, &sh->ops.complete);
+                clear_bit(STRIPE_OP_COMPUTE_BLK, &sh->ops.ack);
+                clear_bit(STRIPE_OP_COMPUTE_BLK, &sh->ops.pending);
+        }
        /* Wait for check parity and compute block operations to complete
         * before write-back.  If a failure occurred while the check operation
         * was in flight we need to cycle this stripe through handle_stripe
@@ -4256,6 +4257,7 @@ static int run(mddev_t *mddev)
                        goto abort;
        }
        spin_lock_init(&conf->device_lock);
+        mddev->queue->queue_lock = &conf->device_lock;
        init_waitqueue_head(&conf->wait_for_stripe);
        init_waitqueue_head(&conf->wait_for_overlap);
        INIT_LIST_HEAD(&conf->handle_list);
diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig
index ddf57e135c6c..7a7803b5d497 100644
--- a/drivers/media/Kconfig
+++ b/drivers/media/Kconfig
@@ -89,8 +89,7 @@ config DVB_CORE
 config VIDEO_MEDIA
        tristate
-        default DVB_CORE || VIDEO_DEV
+        default (DVB_CORE && (VIDEO_DEV = n)) || (VIDEO_DEV && (DVB_CORE = n)) || (DVB_CORE && VIDEO_DEV)
-        depends on DVB_CORE || VIDEO_DEV
 comment "Multimedia drivers"
diff --git a/drivers/media/common/tuners/Kconfig b/drivers/media/common/tuners/Kconfig
index 5be85ff53e12..d6206540476b 100644
--- a/drivers/media/common/tuners/Kconfig
+++ b/drivers/media/common/tuners/Kconfig
@@ -1,6 +1,6 @@
 config MEDIA_ATTACH
        bool "Load and attach frontend and tuner driver modules as needed"
-        depends on DVB_CORE
+        depends on VIDEO_MEDIA
        depends on MODULES
        help
          Remove the static dependency of DVB card drivers on all
@@ -19,10 +19,10 @@ config MEDIA_ATTACH
 config MEDIA_TUNER
        tristate
-        default DVB_CORE || VIDEO_DEV
+        default VIDEO_MEDIA && I2C
-        depends on DVB_CORE || VIDEO_DEV
+        depends on VIDEO_MEDIA && I2C
-        select MEDIA_TUNER_XC2028 if !MEDIA_TUNER_CUSTOMIZE
+        select MEDIA_TUNER_XC2028 if !MEDIA_TUNER_CUSTOMIZE && HOTPLUG
-        select MEDIA_TUNER_XC5000 if !MEDIA_TUNER_CUSTOMIZE
+        select MEDIA_TUNER_XC5000 if !MEDIA_TUNER_CUSTOMIZE && HOTPLUG
        select MEDIA_TUNER_MT20XX if !MEDIA_TUNER_CUSTOMIZE
        select MEDIA_TUNER_TDA8290 if !MEDIA_TUNER_CUSTOMIZE
        select MEDIA_TUNER_TEA5761 if !MEDIA_TUNER_CUSTOMIZE
@@ -46,7 +46,7 @@ if MEDIA_TUNER_CUSTOMIZE
 config MEDIA_TUNER_SIMPLE
        tristate "Simple tuner support"
-        depends on I2C
+        depends on VIDEO_MEDIA && I2C
        select MEDIA_TUNER_TDA9887
        default m if MEDIA_TUNER_CUSTOMIZE
        help
@@ -54,7 +54,7 @@ config MEDIA_TUNER_SIMPLE
 config MEDIA_TUNER_TDA8290
        tristate "TDA 8290/8295 + 8275(a)/18271 tuner combo"
-        depends on I2C
+        depends on VIDEO_MEDIA && I2C
        select MEDIA_TUNER_TDA827X
        select MEDIA_TUNER_TDA18271
        default m if MEDIA_TUNER_CUSTOMIZE
@@ -63,21 +63,21 @@ config MEDIA_TUNER_TDA8290
 config MEDIA_TUNER_TDA827X
        tristate "Philips TDA827X silicon tuner"
-        depends on DVB_CORE && I2C
+        depends on VIDEO_MEDIA && I2C
        default m if DVB_FE_CUSTOMISE
        help
          A DVB-T silicon tuner module. Say Y when you want to support this tuner.
 config MEDIA_TUNER_TDA18271
        tristate "NXP TDA18271 silicon tuner"
-        depends on I2C
+        depends on VIDEO_MEDIA && I2C
        default m if DVB_FE_CUSTOMISE
        help
          A silicon tuner module. Say Y when you want to support this tuner.
 config MEDIA_TUNER_TDA9887
        tristate "TDA 9885/6/7 analog IF demodulator"
-        depends on I2C
+        depends on VIDEO_MEDIA && I2C
        default m if MEDIA_TUNER_CUSTOMIZE
        help
          Say Y here to include support for Philips TDA9885/6/7
@@ -85,67 +85,79 @@ config MEDIA_TUNER_TDA9887
 config MEDIA_TUNER_TEA5761
        tristate "TEA 5761 radio tuner (EXPERIMENTAL)"
-        depends on I2C && EXPERIMENTAL
+        depends on VIDEO_MEDIA && I2C
+        depends on EXPERIMENTAL
        default m if MEDIA_TUNER_CUSTOMIZE
        help
          Say Y here to include support for the Philips TEA5761 radio tuner.
 config MEDIA_TUNER_TEA5767
        tristate "TEA 5767 radio tuner"
-        depends on I2C
+        depends on VIDEO_MEDIA && I2C
        default m if MEDIA_TUNER_CUSTOMIZE
        help
          Say Y here to include support for the Philips TEA5767 radio tuner.
 config MEDIA_TUNER_MT20XX
        tristate "Microtune 2032 / 2050 tuners"
-        depends on I2C
+        depends on VIDEO_MEDIA && I2C
        default m if MEDIA_TUNER_CUSTOMIZE
        help
          Say Y here to include support for the MT2032 / MT2050 tuner.
 config MEDIA_TUNER_MT2060
        tristate "Microtune MT2060 silicon IF tuner"
-        depends on I2C
+        depends on VIDEO_MEDIA && I2C
        default m if DVB_FE_CUSTOMISE
        help
          A driver for the silicon IF tuner MT2060 from Microtune.
 config MEDIA_TUNER_MT2266
        tristate "Microtune MT2266 silicon tuner"
-        depends on I2C
+        depends on VIDEO_MEDIA && I2C
        default m if DVB_FE_CUSTOMISE
        help
          A driver for the silicon baseband tuner MT2266 from Microtune.
 config MEDIA_TUNER_MT2131
        tristate "Microtune MT2131 silicon tuner"
-        depends on I2C
+        depends on VIDEO_MEDIA && I2C
        default m if DVB_FE_CUSTOMISE
        help
          A driver for the silicon baseband tuner MT2131 from Microtune.
 config MEDIA_TUNER_QT1010
        tristate "Quantek QT1010 silicon tuner"
-        depends on DVB_CORE && I2C
+        depends on VIDEO_MEDIA && I2C
        default m if DVB_FE_CUSTOMISE
        help
          A driver for the silicon tuner QT1010 from Quantek.
 config MEDIA_TUNER_XC2028
        tristate "XCeive xc2028/xc3028 tuners"
-        depends on I2C && FW_LOADER
+        depends on VIDEO_MEDIA && I2C
+        depends on HOTPLUG
+        select FW_LOADER
        default m if MEDIA_TUNER_CUSTOMIZE
        help
          Say Y here to include support for the xc2028/xc3028 tuners.
 config MEDIA_TUNER_XC5000
        tristate "Xceive XC5000 silicon tuner"
-        depends on I2C
+        depends on VIDEO_MEDIA && I2C
+        depends on HOTPLUG
+        select FW_LOADER
        default m if DVB_FE_CUSTOMISE
        help
          A driver for the silicon tuner XC5000 from Xceive.
          This device is only used inside a SiP called togther with a
          demodulator for now.
+config MEDIA_TUNER_MXL5005S
+        tristate "MaxLinear MSL5005S silicon tuner"
+        depends on VIDEO_MEDIA && I2C
+        default m if DVB_FE_CUSTOMISE
+        help
+          A driver for the silicon tuner MXL5005S from MaxLinear.
 endif # MEDIA_TUNER_CUSTOMIZE
diff --git a/drivers/media/common/tuners/Makefile b/drivers/media/common/tuners/Makefile
index 236d9932fd92..55f7e6706297 100644
--- a/drivers/media/common/tuners/Makefile
+++ b/drivers/media/common/tuners/Makefile
@@ -20,6 +20,7 @@ obj-$(CONFIG_MEDIA_TUNER_MT2060) += mt2060.o
 obj-$(CONFIG_MEDIA_TUNER_MT2266) += mt2266.o
 obj-$(CONFIG_MEDIA_TUNER_QT1010) += qt1010.o
 obj-$(CONFIG_MEDIA_TUNER_MT2131) += mt2131.o
+obj-$(CONFIG_MEDIA_TUNER_MXL5005S) += mxl5005s.o
 EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
 EXTRA_CFLAGS += -Idrivers/media/dvb/frontends
diff --git a/drivers/media/common/tuners/mxl5005s.c b/drivers/media/common/tuners/mxl5005s.c
new file mode 100644
index 000000000000..5d05b5390f66
--- /dev/null
+++ b/drivers/media/common/tuners/mxl5005s.c
@@ -0,0 +1,4110 @@
+/*
+    MaxLinear MXL5005S VSB/QAM/DVBT tuner driver
+    Copyright (C) 2008 MaxLinear
+    Copyright (C) 2006 Steven Toth <stoth@hauppauge.com>
+      Functions:
+        mxl5005s_reset()
+        mxl5005s_writereg()
+        mxl5005s_writeregs()
+        mxl5005s_init()
+        mxl5005s_reconfigure()
+        mxl5005s_AssignTunerMode()
+        mxl5005s_set_params()
+        mxl5005s_get_frequency()
+        mxl5005s_get_bandwidth()
+        mxl5005s_release()
+        mxl5005s_attach()
+    Copyright (C) 2008 Realtek
+    Copyright (C) 2008 Jan Hoogenraad
+      Functions:
+        mxl5005s_SetRfFreqHz()
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+/*
+    History of this driver (Steven Toth):
+      I was given a public release of a linux driver that included
+      support for the MaxLinear MXL5005S silicon tuner. Analysis of
+      the tuner driver showed clearly three things.
+      1. The tuner driver didn't support the LinuxTV tuner API
+         so the code Realtek added had to be removed.
+      2. A significant amount of the driver is reference driver code
+         from MaxLinear, I felt it was important to identify and
+         preserve this.
+      3. New code has to be added to interface correctly with the
+         LinuxTV API, as a regular kernel module.
+      Other than the reference driver enum's, I've clearly marked
+      sections of the code and retained the copyright of the
+      respective owners.
+*/
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include "dvb_frontend.h"
+#include "mxl5005s.h"
+static int debug;
+#define dprintk(level, arg...) do {    \
+        if (level <= debug)            \
+                printk(arg);    \
+        } while (0)
+#define TUNER_REGS_NUM          104
+#define INITCTRL_NUM            40
+#ifdef _MXL_PRODUCTION
+#define CHCTRL_NUM              39
+#else
+#define CHCTRL_NUM              36
+#endif
+#define MXLCTRL_NUM             189
+#define MASTER_CONTROL_ADDR     9
+/* Enumeration of Master Control Register State */
+enum master_control_state {
+        MC_LOAD_START = 1,
+        MC_POWER_DOWN,
+        MC_SYNTH_RESET,
+        MC_SEQ_OFF
+};
+/* Enumeration of MXL5005 Tuner Modulation Type */
+enum {
+        MXL_DEFAULT_MODULATION = 0,
+        MXL_DVBT,
+        MXL_ATSC,
+        MXL_QAM,
+        MXL_ANALOG_CABLE,
+        MXL_ANALOG_OTA
+} tuner_modu_type;
+/* MXL5005 Tuner Register Struct */
+struct TunerReg {
+        u16 Reg_Num;    /* Tuner Register Address */
+        u16 Reg_Val;    /* Current sw programmed value waiting to be writen */
+};
+enum {
+        /* Initialization Control Names */
+        DN_IQTN_AMP_CUT = 1,       /* 1 */
+        BB_MODE,                   /* 2 */
+        BB_BUF,                    /* 3 */
+        BB_BUF_OA,                 /* 4 */
+        BB_ALPF_BANDSELECT,        /* 5 */
+        BB_IQSWAP,                 /* 6 */
+        BB_DLPF_BANDSEL,           /* 7 */
+        RFSYN_CHP_GAIN,            /* 8 */
+        RFSYN_EN_CHP_HIGAIN,       /* 9 */
+        AGC_IF,                    /* 10 */
+        AGC_RF,                    /* 11 */
+        IF_DIVVAL,                 /* 12 */
+        IF_VCO_BIAS,               /* 13 */
+        CHCAL_INT_MOD_IF,          /* 14 */
+        CHCAL_FRAC_MOD_IF,         /* 15 */
+        DRV_RES_SEL,               /* 16 */
+        I_DRIVER,                  /* 17 */
+        EN_AAF,                    /* 18 */
+        EN_3P,                     /* 19 */
+        EN_AUX_3P,                 /* 20 */
+        SEL_AAF_BAND,              /* 21 */
+        SEQ_ENCLK16_CLK_OUT,       /* 22 */
+        SEQ_SEL4_16B,              /* 23 */
+        XTAL_CAPSELECT,            /* 24 */
+        IF_SEL_DBL,                /* 25 */
+        RFSYN_R_DIV,               /* 26 */
+        SEQ_EXTSYNTHCALIF,         /* 27 */
+        SEQ_EXTDCCAL,              /* 28 */
+        AGC_EN_RSSI,               /* 29 */
+        RFA_ENCLKRFAGC,            /* 30 */
+        RFA_RSSI_REFH,             /* 31 */
+        RFA_RSSI_REF,              /* 32 */
+        RFA_RSSI_REFL,             /* 33 */
+        RFA_FLR,                   /* 34 */
+        RFA_CEIL,                  /* 35 */
+        SEQ_EXTIQFSMPULSE,         /* 36 */
+        OVERRIDE_1,                /* 37 */
+        BB_INITSTATE_DLPF_TUNE,    /* 38 */
+        TG_R_DIV,                  /* 39 */
+        EN_CHP_LIN_B,              /* 40 */
+        /* Channel Change Control Names */
+        DN_POLY = 51,              /* 51 */
+        DN_RFGAIN,                 /* 52 */
+        DN_CAP_RFLPF,              /* 53 */
+        DN_EN_VHFUHFBAR,           /* 54 */
+        DN_GAIN_ADJUST,            /* 55 */
+        DN_IQTNBUF_AMP,            /* 56 */
+        DN_IQTNGNBFBIAS_BST,       /* 57 */
+        RFSYN_EN_OUTMUX,           /* 58 */
+        RFSYN_SEL_VCO_OUT,         /* 59 */
+        RFSYN_SEL_VCO_HI,          /* 60 */
+        RFSYN_SEL_DIVM,            /* 61 */
+        RFSYN_RF_DIV_BIAS,         /* 62 */
+        DN_SEL_FREQ,               /* 63 */
+        RFSYN_VCO_BIAS,            /* 64 */
+        CHCAL_INT_MOD_RF,          /* 65 */
+        CHCAL_FRAC_MOD_RF,         /* 66 */
+        RFSYN_LPF_R,               /* 67 */
+        CHCAL_EN_INT_RF,           /* 68 */
+        TG_LO_DIVVAL,              /* 69 */
+        TG_LO_SELVAL,              /* 70 */
+        TG_DIV_VAL,                /* 71 */
+        TG_VCO_BIAS,               /* 72 */
+        SEQ_EXTPOWERUP,            /* 73 */
+        OVERRIDE_2,                /* 74 */
+        OVERRIDE_3,                /* 75 */
+        OVERRIDE_4,                /* 76 */
+        SEQ_FSM_PULSE,             /* 77 */
+        GPIO_4B,                   /* 78 */
+        GPIO_3B,                   /* 79 */
+        GPIO_4,                    /* 80 */
+        GPIO_3,                    /* 81 */
+        GPIO_1B,                   /* 82 */
+        DAC_A_ENABLE,              /* 83 */
+        DAC_B_ENABLE,              /* 84 */
+        DAC_DIN_A,                 /* 85 */
+        DAC_DIN_B,                 /* 86 */
+#ifdef _MXL_PRODUCTION
+        RFSYN_EN_DIV,              /* 87 */
+        RFSYN_DIVM,                /* 88 */
+        DN_BYPASS_AGC_I2C          /* 89 */
+#endif
+} MXL5005_ControlName;
+/*
+ * The following context is source code provided by MaxLinear.
+ * MaxLinear source code - Common_MXL.h (?)
+ */
+/* Constants */
+#define MXL5005S_REG_WRITING_TABLE_LEN_MAX      104
+#define MXL5005S_LATCH_BYTE                     0xfe
+/* Register address, MSB, and LSB */
+#define MXL5005S_BB_IQSWAP_ADDR                 59
+#define MXL5005S_BB_IQSWAP_MSB                  0
+#define MXL5005S_BB_IQSWAP_LSB                  0
+#define MXL5005S_BB_DLPF_BANDSEL_ADDR           53
+#define MXL5005S_BB_DLPF_BANDSEL_MSB            4
+#define MXL5005S_BB_DLPF_BANDSEL_LSB            3
+/* Standard modes */
+enum {
+        MXL5005S_STANDARD_DVBT,
+        MXL5005S_STANDARD_ATSC,
+};
+#define MXL5005S_STANDARD_MODE_NUM              2
+/* Bandwidth modes */
+enum {
+        MXL5005S_BANDWIDTH_6MHZ = 6000000,
+        MXL5005S_BANDWIDTH_7MHZ = 7000000,
+        MXL5005S_BANDWIDTH_8MHZ = 8000000,
+};
+#define MXL5005S_BANDWIDTH_MODE_NUM             3
+/* MXL5005 Tuner Control Struct */
+struct TunerControl {
+        u16 Ctrl_Num;   /* Control Number */
+        u16 size;       /* Number of bits to represent Value */
+        u16 addr[25];   /* Array of Tuner Register Address for each bit pos */
+        u16 bit[25];    /* Array of bit pos in Reg Addr for each bit pos */
+        u16 val[25];    /* Binary representation of Value */
+};
+/* MXL5005 Tuner Struct */
+struct mxl5005s_state {
+        u8      Mode;           /* 0: Analog Mode ; 1: Digital Mode */
+        u8      IF_Mode;        /* for Analog Mode, 0: zero IF; 1: low IF */
+        u32     Chan_Bandwidth; /* filter  channel bandwidth (6, 7, 8) */
+        u32     IF_OUT;         /* Desired IF Out Frequency */
+        u16     IF_OUT_LOAD;    /* IF Out Load Resistor (200/300 Ohms) */
+        u32     RF_IN;          /* RF Input Frequency */
+        u32     Fxtal;          /* XTAL Frequency */
+        u8      AGC_Mode;       /* AGC Mode 0: Dual AGC; 1: Single AGC */
+        u16     TOP;            /* Value: take over point */
+        u8      CLOCK_OUT;      /* 0: turn off clk out; 1: turn on clock out */
+        u8      DIV_OUT;        /* 4MHz or 16MHz */
+        u8      CAPSELECT;      /* 0: disable On-Chip pulling cap; 1: enable */
+        u8      EN_RSSI;        /* 0: disable RSSI; 1: enable RSSI */
+        /* Modulation Type; */
+        /* 0 - Default; 1 - DVB-T; 2 - ATSC; 3 - QAM; 4 - Analog Cable */
+        u8      Mod_Type;
+        /* Tracking Filter Type */
+        /* 0 - Default; 1 - Off; 2 - Type C; 3 - Type C-H */
+        u8      TF_Type;
+        /* Calculated Settings */
+        u32     RF_LO;          /* Synth RF LO Frequency */
+        u32     IF_LO;          /* Synth IF LO Frequency */
+        u32     TG_LO;          /* Synth TG_LO Frequency */
+        /* Pointers to ControlName Arrays */
+        u16     Init_Ctrl_Num;          /* Number of INIT Control Names */
+        struct TunerControl
+                Init_Ctrl[INITCTRL_NUM]; /* INIT Control Names Array Pointer */
+        u16     CH_Ctrl_Num;            /* Number of CH Control Names */
+        struct TunerControl
+                CH_Ctrl[CHCTRL_NUM];    /* CH Control Name Array Pointer */
+        u16     MXL_Ctrl_Num;           /* Number of MXL Control Names */
+        struct TunerControl
+                MXL_Ctrl[MXLCTRL_NUM];  /* MXL Control Name Array Pointer */
+        /* Pointer to Tuner Register Array */
+        u16     TunerRegs_Num;          /* Number of Tuner Registers */
+        struct TunerReg
+                TunerRegs[TUNER_REGS_NUM]; /* Tuner Register Array Pointer */
+        /* Linux driver framework specific */
+        struct mxl5005s_config *config;
+        struct dvb_frontend *frontend;
+        struct i2c_adapter *i2c;
+        /* Cache values */
+        u32 current_mode;
+};
+static u16 MXL_GetMasterControl(u8 *MasterReg, int state);
+static u16 MXL_ControlWrite(struct dvb_frontend *fe, u16 ControlNum, u32 value);
+static u16 MXL_ControlRead(struct dvb_frontend *fe, u16 controlNum, u32 *value);
+static void MXL_RegWriteBit(struct dvb_frontend *fe, u8 address, u8 bit,
+        u8 bitVal);
+static u16 MXL_GetCHRegister(struct dvb_frontend *fe, u8 *RegNum,
+        u8 *RegVal, int *count);
+static u32 MXL_Ceiling(u32 value, u32 resolution);
+static u16 MXL_RegRead(struct dvb_frontend *fe, u8 RegNum, u8 *RegVal);
+static u16 MXL_ControlWrite_Group(struct dvb_frontend *fe, u16 controlNum,
+        u32 value, u16 controlGroup);
+static u16 MXL_SetGPIO(struct dvb_frontend *fe, u8 GPIO_Num, u8 GPIO_Val);
+static u16 MXL_GetInitRegister(struct dvb_frontend *fe, u8 *RegNum,
+        u8 *RegVal, int *count);
+static u32 MXL_GetXtalInt(u32 Xtal_Freq);
+static u16 MXL_TuneRF(struct dvb_frontend *fe, u32 RF_Freq);
+static void MXL_SynthIFLO_Calc(struct dvb_frontend *fe);
+static void MXL_SynthRFTGLO_Calc(struct dvb_frontend *fe);
+static u16 MXL_GetCHRegister_ZeroIF(struct dvb_frontend *fe, u8 *RegNum,
+        u8 *RegVal, int *count);
+static int mxl5005s_writeregs(struct dvb_frontend *fe, u8 *addrtable,
+        u8 *datatable, u8 len);
+static u16 MXL_IFSynthInit(struct dvb_frontend *fe);
+static int mxl5005s_AssignTunerMode(struct dvb_frontend *fe, u32 mod_type,
+        u32 bandwidth);
+static int mxl5005s_reconfigure(struct dvb_frontend *fe, u32 mod_type,
+        u32 bandwidth);
+/* ----------------------------------------------------------------
+ * Begin: Custom code salvaged from the Realtek driver.
+ * Copyright (C) 2008 Realtek
+ * Copyright (C) 2008 Jan Hoogenraad
+ * This code is placed under the terms of the GNU General Public License
+ *
+ * Released by Realtek under GPLv2.
+ * Thanks to Realtek for a lot of support we received !
+ *
+ *  Revision: 080314 - original version
+ */
+static int mxl5005s_SetRfFreqHz(struct dvb_frontend *fe, unsigned long RfFreqHz)
+{
+        struct mxl5005s_state *state = fe->tuner_priv;
+        unsigned char AddrTable[MXL5005S_REG_WRITING_TABLE_LEN_MAX];
+        unsigned char ByteTable[MXL5005S_REG_WRITING_TABLE_LEN_MAX];
+        int TableLen;
+        u32 IfDivval = 0;
+        unsigned char MasterControlByte;
+        dprintk(1, "%s() freq=%ld\n", __func__, RfFreqHz);
+        /* Set MxL5005S tuner RF frequency according to example code. */
+        /* Tuner RF frequency setting stage 0 */
+        MXL_GetMasterControl(ByteTable, MC_SYNTH_RESET);
+        AddrTable[0] = MASTER_CONTROL_ADDR;
+        ByteTable[0] |= state->config->AgcMasterByte;
+        mxl5005s_writeregs(fe, AddrTable, ByteTable, 1);
+        /* Tuner RF frequency setting stage 1 */
+        MXL_TuneRF(fe, RfFreqHz);
+        MXL_ControlRead(fe, IF_DIVVAL, &IfDivval);
+        MXL_ControlWrite(fe, SEQ_FSM_PULSE, 0);
+        MXL_ControlWrite(fe, SEQ_EXTPOWERUP, 1);
+        MXL_ControlWrite(fe, IF_DIVVAL, 8);
+        MXL_GetCHRegister(fe, AddrTable, ByteTable, &TableLen);
+        MXL_GetMasterControl(&MasterControlByte, MC_LOAD_START);
+        AddrTable[TableLen] = MASTER_CONTROL_ADDR ;
+        ByteTable[TableLen] = MasterControlByte |
+                state->config->AgcMasterByte;
+        TableLen += 1;
+        mxl5005s_writeregs(fe, AddrTable, ByteTable, TableLen);
+        /* Wait 30 ms. */
+        msleep(150);
+        /* Tuner RF frequency setting stage 2 */
+        MXL_ControlWrite(fe, SEQ_FSM_PULSE, 1);
+        MXL_ControlWrite(fe, IF_DIVVAL, IfDivval);
+        MXL_GetCHRegister_ZeroIF(fe, AddrTable, ByteTable, &TableLen);
+        MXL_GetMasterControl(&MasterControlByte, MC_LOAD_START);
+        AddrTable[TableLen] = MASTER_CONTROL_ADDR ;
+        ByteTable[TableLen] = MasterControlByte |
+                state->config->AgcMasterByte ;
+        TableLen += 1;
+        mxl5005s_writeregs(fe, AddrTable, ByteTable, TableLen);
+        msleep(100);
+        return 0;
+}
+/* End: Custom code taken from the Realtek driver */
+/* ----------------------------------------------------------------
+ * Begin: Reference driver code found in the Realtek driver.
+ * Copyright (C) 2008 MaxLinear
+ */
+static u16 MXL5005_RegisterInit(struct dvb_frontend *fe)
+{
+        struct mxl5005s_state *state = fe->tuner_priv;
+        state->TunerRegs_Num = TUNER_REGS_NUM ;
+        state->TunerRegs[0].Reg_Num = 9 ;
+        state->TunerRegs[0].Reg_Val = 0x40 ;
+        state->TunerRegs[1].Reg_Num = 11 ;
+        state->TunerRegs[1].Reg_Val = 0x19 ;
+        state->TunerRegs[2].Reg_Num = 12 ;
+        state->TunerRegs[2].Reg_Val = 0x60 ;
+        state->TunerRegs[3].Reg_Num = 13 ;
+        state->TunerRegs[3].Reg_Val = 0x00 ;
+        state->TunerRegs[4].Reg_Num = 14 ;
+        state->TunerRegs[4].Reg_Val = 0x00 ;
+        state->TunerRegs[5].Reg_Num = 15 ;
+        state->TunerRegs[5].Reg_Val = 0xC0 ;
+        state->TunerRegs[6].Reg_Num = 16 ;
+        state->TunerRegs[6].Reg_Val = 0x00 ;
+        state->TunerRegs[7].Reg_Num = 17 ;
+        state->TunerRegs[7].Reg_Val = 0x00 ;
+        state->TunerRegs[8].Reg_Num = 18 ;
+        state->TunerRegs[8].Reg_Val = 0x00 ;
+        state->TunerRegs[9].Reg_Num = 19 ;
+        state->TunerRegs[9].Reg_Val = 0x34 ;
+        state->TunerRegs[10].Reg_Num = 21 ;
+        state->TunerRegs[10].Reg_Val = 0x00 ;
+        state->TunerRegs[11].Reg_Num = 22 ;
+        state->TunerRegs[11].Reg_Val = 0x6B ;
+        state->TunerRegs[12].Reg_Num = 23 ;
+        state->TunerRegs[12].Reg_Val = 0x35 ;
+        state->TunerRegs[13].Reg_Num = 24 ;
+        state->TunerRegs[13].Reg_Val = 0x70 ;
+        state->TunerRegs[14].Reg_Num = 25 ;
+        state->TunerRegs[14].Reg_Val = 0x3E ;
+        state->TunerRegs[15].Reg_Num = 26 ;
+        state->TunerRegs[15].Reg_Val = 0x82 ;
+        state->TunerRegs[16].Reg_Num = 31 ;
+        state->TunerRegs[16].Reg_Val = 0x00 ;
+        state->TunerRegs[17].Reg_Num = 32 ;
+        state->TunerRegs[17].Reg_Val = 0x40 ;
+        state->TunerRegs[18].Reg_Num = 33 ;
+        state->TunerRegs[18].Reg_Val = 0x53 ;
+        state->TunerRegs[19].Reg_Num = 34 ;
+        state->TunerRegs[19].Reg_Val = 0x81 ;
+        state->TunerRegs[20].Reg_Num = 35 ;
+        state->TunerRegs[20].Reg_Val = 0xC9 ;
+        state->TunerRegs[21].Reg_Num = 36 ;
+        state->TunerRegs[21].Reg_Val = 0x01 ;
+        state->TunerRegs[22].Reg_Num = 37 ;
+        state->TunerRegs[22].Reg_Val = 0x00 ;
+        state->TunerRegs[23].Reg_Num = 41 ;
+        state->TunerRegs[23].Reg_Val = 0x00 ;
+        state->TunerRegs[24].Reg_Num = 42 ;
+        state->TunerRegs[24].Reg_Val = 0xF8 ;
+        state->TunerRegs[25].Reg_Num = 43 ;
+        state->TunerRegs[25].Reg_Val = 0x43 ;
+        state->TunerRegs[26].Reg_Num = 44 ;
+        state->TunerRegs[26].Reg_Val = 0x20 ;
+        state->TunerRegs[27].Reg_Num = 45 ;
+        state->TunerRegs[27].Reg_Val = 0x80 ;
+        state->TunerRegs[28].Reg_Num = 46 ;
+        state->TunerRegs[28].Reg_Val = 0x88 ;
+        state->TunerRegs[29].Reg_Num = 47 ;
+        state->TunerRegs[29].Reg_Val = 0x86 ;
+        state->TunerRegs[30].Reg_Num = 48 ;
+        state->TunerRegs[30].Reg_Val = 0x00 ;
+        state->TunerRegs[31].Reg_Num = 49 ;
+        state->TunerRegs[31].Reg_Val = 0x00 ;
+        state->TunerRegs[32].Reg_Num = 53 ;
+        state->TunerRegs[32].Reg_Val = 0x94 ;
+        state->TunerRegs[33].Reg_Num = 54 ;
+        state->TunerRegs[33].Reg_Val = 0xFA ;
+        state->TunerRegs[34].Reg_Num = 55 ;
+        state->TunerRegs[34].Reg_Val = 0x92 ;
+        state->TunerRegs[35].Reg_Num = 56 ;
+        state->TunerRegs[35].Reg_Val = 0x80 ;
+        state->TunerRegs[36].Reg_Num = 57 ;
+        state->TunerRegs[36].Reg_Val = 0x41 ;
+        state->TunerRegs[37].Reg_Num = 58 ;
+        state->TunerRegs[37].Reg_Val = 0xDB ;
+        state->TunerRegs[38].Reg_Num = 59 ;
+        state->TunerRegs[38].Reg_Val = 0x00 ;
+        state->TunerRegs[39].Reg_Num = 60 ;
+        state->TunerRegs[39].Reg_Val = 0x00 ;
+        state->TunerRegs[40].Reg_Num = 61 ;
+        state->TunerRegs[40].Reg_Val = 0x00 ;
+        state->TunerRegs[41].Reg_Num = 62 ;
+        state->TunerRegs[41].Reg_Val = 0x00 ;
+        state->TunerRegs[42].Reg_Num = 65 ;
+        state->TunerRegs[42].Reg_Val = 0xF8 ;
+        state->TunerRegs[43].Reg_Num = 66 ;
+        state->TunerRegs[43].Reg_Val = 0xE4 ;
+        state->TunerRegs[44].Reg_Num = 67 ;
+        state->TunerRegs[44].Reg_Val = 0x90 ;
+        state->TunerRegs[45].Reg_Num = 68 ;
+        state->TunerRegs[45].Reg_Val = 0xC0 ;
+        state->TunerRegs[46].Reg_Num = 69 ;
+        state->TunerRegs[46].Reg_Val = 0x01 ;
+        state->TunerRegs[47].Reg_Num = 70 ;
+        state->TunerRegs[47].Reg_Val = 0x50 ;
+        state->TunerRegs[48].Reg_Num = 71 ;
+        state->TunerRegs[48].Reg_Val = 0x06 ;
+        state->TunerRegs[49].Reg_Num = 72 ;
+        state->TunerRegs[49].Reg_Val = 0x00 ;
+        state->TunerRegs[50].Reg_Num = 73 ;
+        state->TunerRegs[50].Reg_Val = 0x20 ;
+        state->TunerRegs[51].Reg_Num = 76 ;
+        state->TunerRegs[51].Reg_Val = 0xBB ;
+        state->TunerRegs[52].Reg_Num = 77 ;
+        state->TunerRegs[52].Reg_Val = 0x13 ;
+        state->TunerRegs[53].Reg_Num = 81 ;
+        state->TunerRegs[53].Reg_Val = 0x04 ;
+        state->TunerRegs[54].Reg_Num = 82 ;
+        state->TunerRegs[54].Reg_Val = 0x75 ;
+        state->TunerRegs[55].Reg_Num = 83 ;
+        state->TunerRegs[55].Reg_Val = 0x00 ;
+        state->TunerRegs[56].Reg_Num = 84 ;
+        state->TunerRegs[56].Reg_Val = 0x00 ;
+        state->TunerRegs[57].Reg_Num = 85 ;
+        state->TunerRegs[57].Reg_Val = 0x00 ;
+        state->TunerRegs[58].Reg_Num = 91 ;
+        state->TunerRegs[58].Reg_Val = 0x70 ;
+        state->TunerRegs[59].Reg_Num = 92 ;
+        state->TunerRegs[59].Reg_Val = 0x00 ;
+        state->TunerRegs[60].Reg_Num = 93 ;
+        state->TunerRegs[60].Reg_Val = 0x00 ;
+        state->TunerRegs[61].Reg_Num = 94 ;
+        state->TunerRegs[61].Reg_Val = 0x00 ;
+        state->TunerRegs[62].Reg_Num = 95 ;
+        state->TunerRegs[62].Reg_Val = 0x0C ;
+        state->TunerRegs[63].Reg_Num = 96 ;
+        state->TunerRegs[63].Reg_Val = 0x00 ;
+        state->TunerRegs[64].Reg_Num = 97 ;
+        state->TunerRegs[64].Reg_Val = 0x00 ;
+        state->TunerRegs[65].Reg_Num = 98 ;
+        state->TunerRegs[65].Reg_Val = 0xE2 ;
+        state->TunerRegs[66].Reg_Num = 99 ;
+        state->TunerRegs[66].Reg_Val = 0x00 ;
+        state->TunerRegs[67].Reg_Num = 100 ;
+        state->TunerRegs[67].Reg_Val = 0x00 ;
+        state->TunerRegs[68].Reg_Num = 101 ;
+        state->TunerRegs[68].Reg_Val = 0x12 ;
+        state->TunerRegs[69].Reg_Num = 102 ;
+        state->TunerRegs[69].Reg_Val = 0x80 ;
+        state->TunerRegs[70].Reg_Num = 103 ;
+        state->TunerRegs[70].Reg_Val = 0x32 ;
+        state->TunerRegs[71].Reg_Num = 104 ;
+        state->TunerRegs[71].Reg_Val = 0xB4 ;
+        state->TunerRegs[72].Reg_Num = 105 ;
+        state->TunerRegs[72].Reg_Val = 0x60 ;
+        state->TunerRegs[73].Reg_Num = 106 ;
+        state->TunerRegs[73].Reg_Val = 0x83 ;
+        state->TunerRegs[74].Reg_Num = 107 ;
+        state->TunerRegs[74].Reg_Val = 0x84 ;
+        state->TunerRegs[75].Reg_Num = 108 ;
+        state->TunerRegs[75].Reg_Val = 0x9C ;
+        state->TunerRegs[76].Reg_Num = 109 ;
+        state->TunerRegs[76].Reg_Val = 0x02 ;
+        state->TunerRegs[77].Reg_Num = 110 ;
+        state->TunerRegs[77].Reg_Val = 0x81 ;
+        state->TunerRegs[78].Reg_Num = 111 ;
+        state->TunerRegs[78].Reg_Val = 0xC0 ;
+        state->TunerRegs[79].Reg_Num = 112 ;
+        state->TunerRegs[79].Reg_Val = 0x10 ;
+        state->TunerRegs[80].Reg_Num = 131 ;
+        state->TunerRegs[80].Reg_Val = 0x8A ;
+        state->TunerRegs[81].Reg_Num = 132 ;
+        state->TunerRegs[81].Reg_Val = 0x10 ;
+        state->TunerRegs[82].Reg_Num = 133 ;
+        state->TunerRegs[82].Reg_Val = 0x24 ;
+        state->TunerRegs[83].Reg_Num = 134 ;
+        state->TunerRegs[83].Reg_Val = 0x00 ;
+        state->TunerRegs[84].Reg_Num = 135 ;
+        state->TunerRegs[84].Reg_Val = 0x00 ;
+        state->TunerRegs[85].Reg_Num = 136 ;
+        state->TunerRegs[85].Reg_Val = 0x7E ;
+        state->TunerRegs[86].Reg_Num = 137 ;
+        state->TunerRegs[86].Reg_Val = 0x40 ;
+        state->TunerRegs[87].Reg_Num = 138 ;
+        state->TunerRegs[87].Reg_Val = 0x38 ;
+        state->TunerRegs[88].Reg_Num = 146 ;
+        state->TunerRegs[88].Reg_Val = 0xF6 ;
+        state->TunerRegs[89].Reg_Num = 147 ;
+        state->TunerRegs[89].Reg_Val = 0x1A ;
+        state->TunerRegs[90].Reg_Num = 148 ;
+        state->TunerRegs[90].Reg_Val = 0x62 ;
+        state->TunerRegs[91].Reg_Num = 149 ;
+        state->TunerRegs[91].Reg_Val = 0x33 ;
+        state->TunerRegs[92].Reg_Num = 150 ;
+        state->TunerRegs[92].Reg_Val = 0x80 ;
+        state->TunerRegs[93].Reg_Num = 156 ;
+        state->TunerRegs[93].Reg_Val = 0x56 ;
+        state->TunerRegs[94].Reg_Num = 157 ;
+        state->TunerRegs[94].Reg_Val = 0x17 ;
+        state->TunerRegs[95].Reg_Num = 158 ;
+        state->TunerRegs[95].Reg_Val = 0xA9 ;
+        state->TunerRegs[96].Reg_Num = 159 ;
+        state->TunerRegs[96].Reg_Val = 0x00 ;
+        state->TunerRegs[97].Reg_Num = 160 ;
+        state->TunerRegs[97].Reg_Val = 0x00 ;
+        state->TunerRegs[98].Reg_Num = 161 ;
+        state->TunerRegs[98].Reg_Val = 0x00 ;
+        state->TunerRegs[99].Reg_Num = 162 ;
+        state->TunerRegs[99].Reg_Val = 0x40 ;
+        state->TunerRegs[100].Reg_Num = 166 ;
+        state->TunerRegs[100].Reg_Val = 0xAE ;
+        state->TunerRegs[101].Reg_Num = 167 ;
+        state->TunerRegs[101].Reg_Val = 0x1B ;
+        state->TunerRegs[102].Reg_Num = 168 ;
+        state->TunerRegs[102].Reg_Val = 0xF2 ;
+        state->TunerRegs[103].Reg_Num = 195 ;
+        state->TunerRegs[103].Reg_Val = 0x00 ;
+        return 0 ;
+}
+static u16 MXL5005_ControlInit(struct dvb_frontend *fe)
+{
+        struct mxl5005s_state *state = fe->tuner_priv;
+        state->Init_Ctrl_Num = INITCTRL_NUM;
+        state->Init_Ctrl[0].Ctrl_Num = DN_IQTN_AMP_CUT ;
+        state->Init_Ctrl[0].size = 1 ;
+        state->Init_Ctrl[0].addr[0] = 73;
+        state->Init_Ctrl[0].bit[0] = 7;
+        state->Init_Ctrl[0].val[0] = 0;
+        state->Init_Ctrl[1].Ctrl_Num = BB_MODE ;
+        state->Init_Ctrl[1].size = 1 ;
+        state->Init_Ctrl[1].addr[0] = 53;
+        state->Init_Ctrl[1].bit[0] = 2;
+        state->Init_Ctrl[1].val[0] = 1;
+        state->Init_Ctrl[2].Ctrl_Num = BB_BUF ;
+        state->Init_Ctrl[2].size = 2 ;
+        state->Init_Ctrl[2].addr[0] = 53;
+        state->Init_Ctrl[2].bit[0] = 1;
+        state->Init_Ctrl[2].val[0] = 0;
+        state->Init_Ctrl[2].addr[1] = 57;
+        state->Init_Ctrl[2].bit[1] = 0;
+        state->Init_Ctrl[2].val[1] = 1;
+        state->Init_Ctrl[3].Ctrl_Num = BB_BUF_OA ;
+        state->Init_Ctrl[3].size = 1 ;
+        state->Init_Ctrl[3].addr[0] = 53;
+        state->Init_Ctrl[3].bit[0] = 0;
+        state->Init_Ctrl[3].val[0] = 0;
+        state->Init_Ctrl[4].Ctrl_Num = BB_ALPF_BANDSELECT ;
+        state->Init_Ctrl[4].size = 3 ;
+        state->Init_Ctrl[4].addr[0] = 53;
+        state->Init_Ctrl[4].bit[0] = 5;
+        state->Init_Ctrl[4].val[0] = 0;
+        state->Init_Ctrl[4].addr[1] = 53;
+        state->Init_Ctrl[4].bit[1] = 6;
+        state->Init_Ctrl[4].val[1] = 0;
+        state->Init_Ctrl[4].addr[2] = 53;
+        state->Init_Ctrl[4].bit[2] = 7;
+        state->Init_Ctrl[4].val[2] = 1;
+        state->Init_Ctrl[5].Ctrl_Num = BB_IQSWAP ;
+        state->Init_Ctrl[5].size = 1 ;
+        state->Init_Ctrl[5].addr[0] = 59;
+        state->Init_Ctrl[5].bit[0] = 0;
+        state->Init_Ctrl[5].val[0] = 0;
+        state->Init_Ctrl[6].Ctrl_Num = BB_DLPF_BANDSEL ;
+        state->Init_Ctrl[6].size = 2 ;
+        state->Init_Ctrl[6].addr[0] = 53;
+        state->Init_Ctrl[6].bit[0] = 3;
+        state->Init_Ctrl[6].val[0] = 0;
+        state->Init_Ctrl[6].addr[1] = 53;
+        state->Init_Ctrl[6].bit[1] = 4;
+        state->Init_Ctrl[6].val[1] = 1;
+        state->Init_Ctrl[7].Ctrl_Num = RFSYN_CHP_GAIN ;
+        state->Init_Ctrl[7].size = 4 ;
+        state->Init_Ctrl[7].addr[0] = 22;
+        state->Init_Ctrl[7].bit[0] = 4;
+        state->Init_Ctrl[7].val[0] = 0;
+        state->Init_Ctrl[7].addr[1] = 22;
+        state->Init_Ctrl[7].bit[1] = 5;
+        state->Init_Ctrl[7].val[1] = 1;
+        state->Init_Ctrl[7].addr[2] = 22;
+        state->Init_Ctrl[7].bit[2] = 6;
+        state->Init_Ctrl[7].val[2] = 1;
+        state->Init_Ctrl[7].addr[3] = 22;
+        state->Init_Ctrl[7].bit[3] = 7;
+        state->Init_Ctrl[7].val[3] = 0;
+        state->Init_Ctrl[8].Ctrl_Num = RFSYN_EN_CHP_HIGAIN ;
+        state->Init_Ctrl[8].size = 1 ;
+        state->Init_Ctrl[8].addr[0] = 22;
+        state->Init_Ctrl[8].bit[0] = 2;
+        state->Init_Ctrl[8].val[0] = 0;
+        state->Init_Ctrl[9].Ctrl_Num = AGC_IF ;
+        state->Init_Ctrl[9].size = 4 ;
+        state->Init_Ctrl[9].addr[0] = 76;
+        state->Init_Ctrl[9].bit[0] = 0;
+        state->Init_Ctrl[9].val[0] = 1;
+        state->Init_Ctrl[9].addr[1] = 76;
+        state->Init_Ctrl[9].bit[1] = 1;
+        state->Init_Ctrl[9].val[1] = 1;
+        state->Init_Ctrl[9].addr[2] = 76;
+        state->Init_Ctrl[9].bit[2] = 2;
+        state->Init_Ctrl[9].val[2] = 0;
+        state->Init_Ctrl[9].addr[3] = 76;
+        state->Init_Ctrl[9].bit[3] = 3;
+        state->Init_Ctrl[9].val[3] = 1;
+        state->Init_Ctrl[10].Ctrl_Num = AGC_RF ;
+        state->Init_Ctrl[10].size = 4 ;
+        state->Init_Ctrl[10].addr[0] = 76;
+        state->Init_Ctrl[10].bit[0] = 4;
+        state->Init_Ctrl[10].val[0] = 1;
+        state->Init_Ctrl[10].addr[1] = 76;
+        state->Init_Ctrl[10].bit[1] = 5;
+        state->Init_Ctrl[10].val[1] = 1;
+        state->Init_Ctrl[10].addr[2] = 76;
+        state->Init_Ctrl[10].bit[2] = 6;
+        state->Init_Ctrl[10].val[2] = 0;
+        state->Init_Ctrl[10].addr[3] = 76;
+        state->Init_Ctrl[10].bit[3] = 7;
+        state->Init_Ctrl[10].val[3] = 1;
+        state->Init_Ctrl[11].Ctrl_Num = IF_DIVVAL ;
+        state->Init_Ctrl[11].size = 5 ;
+        state->Init_Ctrl[11].addr[0] = 43;
+        state->Init_Ctrl[11].bit[0] = 3;
+        state->Init_Ctrl[11].val[0] = 0;
+        state->Init_Ctrl[11].addr[1] = 43;
+        state->Init_Ctrl[11].bit[1] = 4;
+        state->Init_Ctrl[11].val[1] = 0;
+        state->Init_Ctrl[11].addr[2] = 43;
+        state->Init_Ctrl[11].bit[2] = 5;
+        state->Init_Ctrl[11].val[2] = 0;
+        state->Init_Ctrl[11].addr[3] = 43;
+        state->Init_Ctrl[11].bit[3] = 6;
+        state->Init_Ctrl[11].val[3] = 1;
+        state->Init_Ctrl[11].addr[4] = 43;
+        state->Init_Ctrl[11].bit[4] = 7;
+        state->Init_Ctrl[11].val[4] = 0;
+        state->Init_Ctrl[12].Ctrl_Num = IF_VCO_BIAS ;
+        state->Init_Ctrl[12].size = 6 ;
+        state->Init_Ctrl[12].addr[0] = 44;
+        state->Init_Ctrl[12].bit[0] = 2;
+        state->Init_Ctrl[12].val[0] = 0;
+        state->Init_Ctrl[12].addr[1] = 44;
+        state->Init_Ctrl[12].bit[1] = 3;
+        state->Init_Ctrl[12].val[1] = 0;
+        state->Init_Ctrl[12].addr[2] = 44;
+        state->Init_Ctrl[12].bit[2] = 4;
+        state->Init_Ctrl[12].val[2] = 0;
+        state->Init_Ctrl[12].addr[3] = 44;
+        state->Init_Ctrl[12].bit[3] = 5;
+        state->Init_Ctrl[12].val[3] = 1;
+        state->Init_Ctrl[12].addr[4] = 44;
+        state->Init_Ctrl[12].bit[4] = 6;
+        state->Init_Ctrl[12].val[4] = 0;
+        state->Init_Ctrl[12].addr[5] = 44;
+        state->Init_Ctrl[12].bit[5] = 7;
+        state->Init_Ctrl[12].val[5] = 0;
+        state->Init_Ctrl[13].Ctrl_Num = CHCAL_INT_MOD_IF ;
+        state->Init_Ctrl[13].size = 7 ;
+        state->Init_Ctrl[13].addr[0] = 11;
+        state->Init_Ctrl[13].bit[0] = 0;
+        state->Init_Ctrl[13].val[0] = 1;
+        state->Init_Ctrl[13].addr[1] = 11;
+        state->Init_Ctrl[13].bit[1] = 1;
+        state->Init_Ctrl[13].val[1] = 0;
+        state->Init_Ctrl[13].addr[2] = 11;
+        state->Init_Ctrl[13].bit[2] = 2;
+        state->Init_Ctrl[13].val[2] = 0;
+        state->Init_Ctrl[13].addr[3] = 11;
+        state->Init_Ctrl[13].bit[3] = 3;
+        state->Init_Ctrl[13].val[3] = 1;
+        state->Init_Ctrl[13].addr[4] = 11;
+        state->Init_Ctrl[13].bit[4] = 4;
+        state->Init_Ctrl[13].val[4] = 1;
+        state->Init_Ctrl[13].addr[5] = 11;
+        state->Init_Ctrl[13].bit[5] = 5;
+        state->Init_Ctrl[13].val[5] = 0;
+        state->Init_Ctrl[13].addr[6] = 11;
+        state->Init_Ctrl[13].bit[6] = 6;
+        state->Init_Ctrl[13].val[6] = 0;
+        state->Init_Ctrl[14].Ctrl_Num = CHCAL_FRAC_MOD_IF ;
+        state->Init_Ctrl[14].size = 16 ;
+        state->Init_Ctrl[14].addr[0] = 13;
+        state->Init_Ctrl[14].bit[0] = 0;
+        state->Init_Ctrl[14].val[0] = 0;
+        state->Init_Ctrl[14].addr[1] = 13;
+        state->Init_Ctrl[14].bit[1] = 1;
+        state->Init_Ctrl[14].val[1] = 0;
+        state->Init_Ctrl[14].addr[2] = 13;
+        state->Init_Ctrl[14].bit[2] = 2;
+        state->Init_Ctrl[14].val[2] = 0;
+        state->Init_Ctrl[14].addr[3] = 13;
+        state->Init_Ctrl[14].bit[3] = 3;
+        state->Init_Ctrl[14].val[3] = 0;
+        state->Init_Ctrl[14].addr[4] = 13;
+        state->Init_Ctrl[14].bit[4] = 4;
+        state->Init_Ctrl[14].val[4] = 0;
+        state->Init_Ctrl[14].addr[5] = 13;
+        state->Init_Ctrl[14].bit[5] = 5;
+        state->Init_Ctrl[14].val[5] = 0;
+        state->Init_Ctrl[14].addr[6] = 13;
+        state->Init_Ctrl[14].bit[6] = 6;
+        state->Init_Ctrl[14].val[6] = 0;
+        state->Init_Ctrl[14].addr[7] = 13;
+        state->Init_Ctrl[14].bit[7] = 7;
+        state->Init_Ctrl[14].val[7] = 0;
+        state->Init_Ctrl[14].addr[8] = 12;
+        state->Init_Ctrl[14].bit[8] = 0;
+        state->Init_Ctrl[14].val[8] = 0;
+        state->Init_Ctrl[14].addr[9] = 12;
+        state->Init_Ctrl[14].bit[9] = 1;
+        state->Init_Ctrl[14].val[9] = 0;
+        state->Init_Ctrl[14].addr[10] = 12;
+        state->Init_Ctrl[14].bit[10] = 2;
+        state->Init_Ctrl[14].val[10] = 0;
+        state->Init_Ctrl[14].addr[11] = 12;
+        state->Init_Ctrl[14].bit[11] = 3;
+        state->Init_Ctrl[14].val[11] = 0;
+        state->Init_Ctrl[14].addr[12] = 12;
+        state->Init_Ctrl[14].bit[12] = 4;
+        state->Init_Ctrl[14].val[12] = 0;
+        state->Init_Ctrl[14].addr[13] = 12;
+        state->Init_Ctrl[14].bit[13] = 5;
+        state->Init_Ctrl[14].val[13] = 1;
+        state->Init_Ctrl[14].addr[14] = 12;
+        state->Init_Ctrl[14].bit[14] = 6;
+        state->Init_Ctrl[14].val[14] = 1;
+        state->Init_Ctrl[14].addr[15] = 12;
+        state->Init_Ctrl[14].bit[15] = 7;
+        state->Init_Ctrl[14].val[15] = 0;
+        state->Init_Ctrl[15].Ctrl_Num = DRV_RES_SEL ;
+        state->Init_Ctrl[15].size = 3 ;
+        state->Init_Ctrl[15].addr[0] = 147;
+        state->Init_Ctrl[15].bit[0] = 2;
+        state->Init_Ctrl[15].val[0] = 0;
+        state->Init_Ctrl[15].addr[1] = 147;
+        state->Init_Ctrl[15].bit[1] = 3;
+        state->Init_Ctrl[15].val[1] = 1;
+        state->Init_Ctrl[15].addr[2] = 147;
+        state->Init_Ctrl[15].bit[2] = 4;
+        state->Init_Ctrl[15].val[2] = 1;
+        state->Init_Ctrl[16].Ctrl_Num = I_DRIVER ;
+        state->Init_Ctrl[16].size = 2 ;
+        state->Init_Ctrl[16].addr[0] = 147;
+        state->Init_Ctrl[16].bit[0] = 0;
+        state->Init_Ctrl[16].val[0] = 0;
+        state->Init_Ctrl[16].addr[1] = 147;
+        state->Init_Ctrl[16].bit[1] = 1;
+        state->Init_Ctrl[16].val[1] = 1;
+        state->Init_Ctrl[17].Ctrl_Num = EN_AAF ;
+        state->Init_Ctrl[17].size = 1 ;
+        state->Init_Ctrl[17].addr[0] = 147;
+        state->Init_Ctrl[17].bit[0] = 7;
+        state->Init_Ctrl[17].val[0] = 0;
+        state->Init_Ctrl[18].Ctrl_Num = EN_3P ;
+        state->Init_Ctrl[18].size = 1 ;
+        state->Init_Ctrl[18].addr[0] = 147;
+        state->Init_Ctrl[18].bit[0] = 6;
+        state->Init_Ctrl[18].val[0] = 0;
+        state->Init_Ctrl[19].Ctrl_Num = EN_AUX_3P ;
+        state->Init_Ctrl[19].size = 1 ;
+        state->Init_Ctrl[19].addr[0] = 156;
+        state->Init_Ctrl[19].bit[0] = 0;
+        state->Init_Ctrl[19].val[0] = 0;
+        state->Init_Ctrl[20].Ctrl_Num = SEL_AAF_BAND ;
+        state->Init_Ctrl[20].size = 1 ;
+        state->Init_Ctrl[20].addr[0] = 147;
+        state->Init_Ctrl[20].bit[0] = 5;
+        state->Init_Ctrl[20].val[0] = 0;
+        state->Init_Ctrl[21].Ctrl_Num = SEQ_ENCLK16_CLK_OUT ;
+        state->Init_Ctrl[21].size = 1 ;
+        state->Init_Ctrl[21].addr[0] = 137;
+        state->Init_Ctrl[21].bit[0] = 4;
+        state->Init_Ctrl[21].val[0] = 0;
+        state->Init_Ctrl[22].Ctrl_Num = SEQ_SEL4_16B ;
+        state->Init_Ctrl[22].size = 1 ;
+        state->Init_Ctrl[22].addr[0] = 137;
+        state->Init_Ctrl[22].bit[0] = 7;
+        state->Init_Ctrl[22].val[0] = 0;
+        state->Init_Ctrl[23].Ctrl_Num = XTAL_CAPSELECT ;
+        state->Init_Ctrl[23].size = 1 ;
+        state->Init_Ctrl[23].addr[0] = 91;
+        state->Init_Ctrl[23].bit[0] = 5;
+        state->Init_Ctrl[23].val[0] = 1;
+        state->Init_Ctrl[24].Ctrl_Num = IF_SEL_DBL ;
+        state->Init_Ctrl[24].size = 1 ;
+        state->Init_Ctrl[24].addr[0] = 43;
+        state->Init_Ctrl[24].bit[0] = 0;
+        state->Init_Ctrl[24].val[0] = 1;
+        state->Init_Ctrl[25].Ctrl_Num = RFSYN_R_DIV ;
+        state->Init_Ctrl[25].size = 2 ;
+        state->Init_Ctrl[25].addr[0] = 22;
+        state->Init_Ctrl[25].bit[0] = 0;
+        state->Init_Ctrl[25].val[0] = 1;
+        state->Init_Ctrl[25].addr[1] = 22;
+        state->Init_Ctrl[25].bit[1] = 1;
+        state->Init_Ctrl[25].val[1] = 1;
+        state->Init_Ctrl[26].Ctrl_Num = SEQ_EXTSYNTHCALIF ;
+        state->Init_Ctrl[26].size = 1 ;
+        state->Init_Ctrl[26].addr[0] = 134;
+        state->Init_Ctrl[26].bit[0] = 2;
+        state->Init_Ctrl[26].val[0] = 0;
+        state->Init_Ctrl[27].Ctrl_Num = SEQ_EXTDCCAL ;
+        state->Init_Ctrl[27].size = 1 ;
+        state->Init_Ctrl[27].addr[0] = 137;
+        state->Init_Ctrl[27].bit[0] = 3;
+        state->Init_Ctrl[27].val[0] = 0;
+        state->Init_Ctrl[28].Ctrl_Num = AGC_EN_RSSI ;
+        state->Init_Ctrl[28].size = 1 ;
+        state->Init_Ctrl[28].addr[0] = 77;
+        state->Init_Ctrl[28].bit[0] = 7;
+        state->Init_Ctrl[28].val[0] = 0;
+        state->Init_Ctrl[29].Ctrl_Num = RFA_ENCLKRFAGC ;
+        state->Init_Ctrl[29].size = 1 ;
+        state->Init_Ctrl[29].addr[0] = 166;
+        state->Init_Ctrl[29].bit[0] = 7;
+        state->Init_Ctrl[29].val[0] = 1;
+        state->Init_Ctrl[30].Ctrl_Num = RFA_RSSI_REFH ;
+        state->Init_Ctrl[30].size = 3 ;
+        state->Init_Ctrl[30].addr[0] = 166;
+        state->Init_Ctrl[30].bit[0] = 0;
+        state->Init_Ctrl[30].val[0] = 0;
+        state->Init_Ctrl[30].addr[1] = 166;
+        state->Init_Ctrl[30].bit[1] = 1;
+        state->Init_Ctrl[30].val[1] = 1;
+        state->Init_Ctrl[30].addr[2] = 166;
+        state->Init_Ctrl[30].bit[2] = 2;
+        state->Init_Ctrl[30].val[2] = 1;
+        state->Init_Ctrl[31].Ctrl_Num = RFA_RSSI_REF ;
+        state->Init_Ctrl[31].size = 3 ;
+        state->Init_Ctrl[31].addr[0] = 166;
+        state->Init_Ctrl[31].bit[0] = 3;
+        state->Init_Ctrl[31].val[0] = 1;
+        state->Init_Ctrl[31].addr[1] = 166;
+        state->Init_Ctrl[31].bit[1] = 4;
+        state->Init_Ctrl[31].val[1] = 0;
+        state->Init_Ctrl[31].addr[2] = 166;
+        state->Init_Ctrl[31].bit[2] = 5;
+        state->Init_Ctrl[31].val[2] = 1;
+        state->Init_Ctrl[32].Ctrl_Num = RFA_RSSI_REFL ;
+        state->Init_Ctrl[32].size = 3 ;
+        state->Init_Ctrl[32].addr[0] = 167;
+        state->Init_Ctrl[32].bit[0] = 0;
+        state->Init_Ctrl[32].val[0] = 1;
+        state->Init_Ctrl[32].addr[1] = 167;
+        state->Init_Ctrl[32].bit[1] = 1;
+        state->Init_Ctrl[32].val[1] = 1;
+        state->Init_Ctrl[32].addr[2] = 167;
+        state->Init_Ctrl[32].bit[2] = 2;
+        state->Init_Ctrl[32].val[2] = 0;
+        state->Init_Ctrl[33].Ctrl_Num = RFA_FLR ;
+        state->Init_Ctrl[33].size = 4 ;
+        state->Init_Ctrl[33].addr[0] = 168;
+        state->Init_Ctrl[33].bit[0] = 0;
+        state->Init_Ctrl[33].val[0] = 0;
+        state->Init_Ctrl[33].addr[1] = 168;
+        state->Init_Ctrl[33].bit[1] = 1;
+        state->Init_Ctrl[33].val[1] = 1;
+        state->Init_Ctrl[33].addr[2] = 168;
+        state->Init_Ctrl[33].bit[2] = 2;
+        state->Init_Ctrl[33].val[2] = 0;
+        state->Init_Ctrl[33].addr[3] = 168;
+        state->Init_Ctrl[33].bit[3] = 3;
+        state->Init_Ctrl[33].val[3] = 0;
+        state->Init_Ctrl[34].Ctrl_Num = RFA_CEIL ;
+        state->Init_Ctrl[34].size = 4 ;
+        state->Init_Ctrl[34].addr[0] = 168;
+        state->Init_Ctrl[34].bit[0] = 4;
+        state->Init_Ctrl[34].val[0] = 1;
+        state->Init_Ctrl[34].addr[1] = 168;
+        state->Init_Ctrl[34].bit[1] = 5;
+        state->Init_Ctrl[34].val[1] = 1;
+        state->Init_Ctrl[34].addr[2] = 168;
+        state->Init_Ctrl[34].bit[2] = 6;
+        state->Init_Ctrl[34].val[2] = 1;
+        state->Init_Ctrl[34].addr[3] = 168;
+        state->Init_Ctrl[34].bit[3] = 7;
+        state->Init_Ctrl[34].val[3] = 1;
+        state->Init_Ctrl[35].Ctrl_Num = SEQ_EXTIQFSMPULSE ;
+        state->Init_Ctrl[35].size = 1 ;
+        state->Init_Ctrl[35].addr[0] = 135;
+        state->Init_Ctrl[35].bit[0] = 0;
+        state->Init_Ctrl[35].val[0] = 0;
+        state->Init_Ctrl[36].Ctrl_Num = OVERRIDE_1 ;
+        state->Init_Ctrl[36].size = 1 ;
+        state->Init_Ctrl[36].addr[0] = 56;
+        state->Init_Ctrl[36].bit[0] = 3;
+        state->Init_Ctrl[36].val[0] = 0;
+        state->Init_Ctrl[37].Ctrl_Num = BB_INITSTATE_DLPF_TUNE ;
+        state->Init_Ctrl[37].size = 7 ;
+        state->Init_Ctrl[37].addr[0] = 59;
+        state->Init_Ctrl[37].bit[0] = 1;
+        state->Init_Ctrl[37].val[0] = 0;
+        state->Init_Ctrl[37].addr[1] = 59;
+        state->Init_Ctrl[37].bit[1] = 2;
+        state->Init_Ctrl[37].val[1] = 0;
+        state->Init_Ctrl[37].addr[2] = 59;
+        state->Init_Ctrl[37].bit[2] = 3;
+        state->Init_Ctrl[37].val[2] = 0;
+        state->Init_Ctrl[37].addr[3] = 59;
+        state->Init_Ctrl[37].bit[3] = 4;
+        state->Init_Ctrl[37].val[3] = 0;
+        state->Init_Ctrl[37].addr[4] = 59;
+        state->Init_Ctrl[37].bit[4] = 5;
+        state->Init_Ctrl[37].val[4] = 0;
+        state->Init_Ctrl[37].addr[5] = 59;
+        state->Init_Ctrl[37].bit[5] = 6;
+        state->Init_Ctrl[37].val[5] = 0;
+        state->Init_Ctrl[37].addr[6] = 59;
+        state->Init_Ctrl[37].bit[6] = 7;
+        state->Init_Ctrl[37].val[6] = 0;
+        state->Init_Ctrl[38].Ctrl_Num = TG_R_DIV ;
+        state->Init_Ctrl[38].size = 6 ;
+        state->Init_Ctrl[38].addr[0] = 32;
+        state->Init_Ctrl[38].bit[0] = 2;
+        state->Init_Ctrl[38].val[0] = 0;
+        state->Init_Ctrl[38].addr[1] = 32;
+        state->Init_Ctrl[38].bit[1] = 3;
+        state->Init_Ctrl[38].val[1] = 0;
+        state->Init_Ctrl[38].addr[2] = 32;
+        state->Init_Ctrl[38].bit[2] = 4;
+        state->Init_Ctrl[38].val[2] = 0;
+        state->Init_Ctrl[38].addr[3] = 32;
+        state->Init_Ctrl[38].bit[3] = 5;
+        state->Init_Ctrl[38].val[3] = 0;
+        state->Init_Ctrl[38].addr[4] = 32;
+        state->Init_Ctrl[38].bit[4] = 6;
+        state->Init_Ctrl[38].val[4] = 1;
+        state->Init_Ctrl[38].addr[5] = 32;
+        state->Init_Ctrl[38].bit[5] = 7;
+        state->Init_Ctrl[38].val[5] = 0;
+        state->Init_Ctrl[39].Ctrl_Num = EN_CHP_LIN_B ;
+        state->Init_Ctrl[39].size = 1 ;
+        state->Init_Ctrl[39].addr[0] = 25;
+        state->Init_Ctrl[39].bit[0] = 3;
+        state->Init_Ctrl[39].val[0] = 1;
+        state->CH_Ctrl_Num = CHCTRL_NUM ;
+        state->CH_Ctrl[0].Ctrl_Num = DN_POLY ;
+        state->CH_Ctrl[0].size = 2 ;
+        state->CH_Ctrl[0].addr[0] = 68;
+        state->CH_Ctrl[0].bit[0] = 6;
+        state->CH_Ctrl[0].val[0] = 1;
+        state->CH_Ctrl[0].addr[1] = 68;
+        state->CH_Ctrl[0].bit[1] = 7;
+        state->CH_Ctrl[0].val[1] = 1;
+        state->CH_Ctrl[1].Ctrl_Num = DN_RFGAIN ;
+        state->CH_Ctrl[1].size = 2 ;
+        state->CH_Ctrl[1].addr[0] = 70;
+        state->CH_Ctrl[1].bit[0] = 6;
+        state->CH_Ctrl[1].val[0] = 1;
+        state->CH_Ctrl[1].addr[1] = 70;
+        state->CH_Ctrl[1].bit[1] = 7;
+        state->CH_Ctrl[1].val[1] = 0;
+        state->CH_Ctrl[2].Ctrl_Num = DN_CAP_RFLPF ;
+        state->CH_Ctrl[2].size = 9 ;
+        state->CH_Ctrl[2].addr[0] = 69;
+        state->CH_Ctrl[2].bit[0] = 5;
+        state->CH_Ctrl[2].val[0] = 0;
+        state->CH_Ctrl[2].addr[1] = 69;
+        state->CH_Ctrl[2].bit[1] = 6;
+        state->CH_Ctrl[2].val[1] = 0;
+        state->CH_Ctrl[2].addr[2] = 69;
+        state->CH_Ctrl[2].bit[2] = 7;
+        state->CH_Ctrl[2].val[2] = 0;
+        state->CH_Ctrl[2].addr[3] = 68;
+        state->CH_Ctrl[2].bit[3] = 0;
+        state->CH_Ctrl[2].val[3] = 0;
+        state->CH_Ctrl[2].addr[4] = 68;
+        state->CH_Ctrl[2].bit[4] = 1;
+        state->CH_Ctrl[2].val[4] = 0;
+        state->CH_Ctrl[2].addr[5] = 68;
+        state->CH_Ctrl[2].bit[5] = 2;
+        state->CH_Ctrl[2].val[5] = 0;
+        state->CH_Ctrl[2].addr[6] = 68;
+        state->CH_Ctrl[2].bit[6] = 3;
+        state->CH_Ctrl[2].val[6] = 0;
+        state->CH_Ctrl[2].addr[7] = 68;
+        state->CH_Ctrl[2].bit[7] = 4;
+        state->CH_Ctrl[2].val[7] = 0;
+        state->CH_Ctrl[2].addr[8] = 68;
+        state->CH_Ctrl[2].bit[8] = 5;
+        state->CH_Ctrl[2].val[8] = 0;
+        state->CH_Ctrl[3].Ctrl_Num = DN_EN_VHFUHFBAR ;
+        state->CH_Ctrl[3].size = 1 ;
+        state->CH_Ctrl[3].addr[0] = 70;
+        state->CH_Ctrl[3].bit[0] = 5;
+        state->CH_Ctrl[3].val[0] = 0;
+        state->CH_Ctrl[4].Ctrl_Num = DN_GAIN_ADJUST ;
+        state->CH_Ctrl[4].size = 3 ;
+        state->CH_Ctrl[4].addr[0] = 73;
+        state->CH_Ctrl[4].bit[0] = 4;
+        state->CH_Ctrl[4].val[0] = 0;
+        state->CH_Ctrl[4].addr[1] = 73;
+        state->CH_Ctrl[4].bit[1] = 5;
+        state->CH_Ctrl[4].val[1] = 1;
+        state->CH_Ctrl[4].addr[2] = 73;
+        state->CH_Ctrl[4].bit[2] = 6;
+        state->CH_Ctrl[4].val[2] = 0;
+        state->CH_Ctrl[5].Ctrl_Num = DN_IQTNBUF_AMP ;
+        state->CH_Ctrl[5].size = 4 ;
+        state->CH_Ctrl[5].addr[0] = 70;
+        state->CH_Ctrl[5].bit[0] = 0;
+        state->CH_Ctrl[5].val[0] = 0;
+        state->CH_Ctrl[5].addr[1] = 70;
+        state->CH_Ctrl[5].bit[1] = 1;
+        state->CH_Ctrl[5].val[1] = 0;
+        state->CH_Ctrl[5].addr[2] = 70;
+        state->CH_Ctrl[5].bit[2] = 2;
+        state->CH_Ctrl[5].val[2] = 0;
+        state->CH_Ctrl[5].addr[3] = 70;
+        state->CH_Ctrl[5].bit[3] = 3;
+        state->CH_Ctrl[5].val[3] = 0;
+        state->CH_Ctrl[6].Ctrl_Num = DN_IQTNGNBFBIAS_BST ;
+        state->CH_Ctrl[6].size = 1 ;
+        state->CH_Ctrl[6].addr[0] = 70;
+        state->CH_Ctrl[6].bit[0] = 4;
+        state->CH_Ctrl[6].val[0] = 1;
+        state->CH_Ctrl[7].Ctrl_Num = RFSYN_EN_OUTMUX ;
+        state->CH_Ctrl[7].size = 1 ;
+        state->CH_Ctrl[7].addr[0] = 111;
+        state->CH_Ctrl[7].bit[0] = 4;
+        state->CH_Ctrl[7].val[0] = 0;
+        state->CH_Ctrl[8].Ctrl_Num = RFSYN_SEL_VCO_OUT ;
+        state->CH_Ctrl[8].size = 1 ;
+        state->CH_Ctrl[8].addr[0] = 111;
+        state->CH_Ctrl[8].bit[0] = 7;
+        state->CH_Ctrl[8].val[0] = 1;
+        state->CH_Ctrl[9].Ctrl_Num = RFSYN_SEL_VCO_HI ;
+        state->CH_Ctrl[9].size = 1 ;
+        state->CH_Ctrl[9].addr[0] = 111;
+        state->CH_Ctrl[9].bit[0] = 6;
+        state->CH_Ctrl[9].val[0] = 1;
+        state->CH_Ctrl[10].Ctrl_Num = RFSYN_SEL_DIVM ;
+        state->CH_Ctrl[10].size = 1 ;
+        state->CH_Ctrl[10].addr[0] = 111;
+        state->CH_Ctrl[10].bit[0] = 5;
+        state->CH_Ctrl[10].val[0] = 0;
+        state->CH_Ctrl[11].Ctrl_Num = RFSYN_RF_DIV_BIAS ;
+        state->CH_Ctrl[11].size = 2 ;
+        state->CH_Ctrl[11].addr[0] = 110;
+        state->CH_Ctrl[11].bit[0] = 0;
+        state->CH_Ctrl[11].val[0] = 1;
+        state->CH_Ctrl[11].addr[1] = 110;
+        state->CH_Ctrl[11].bit[1] = 1;
+        state->CH_Ctrl[11].val[1] = 0;
+        state->CH_Ctrl[12].Ctrl_Num = DN_SEL_FREQ ;
+        state->CH_Ctrl[12].size = 3 ;
+        state->CH_Ctrl[12].addr[0] = 69;
+        state->CH_Ctrl[12].bit[0] = 2;
+        state->CH_Ctrl[12].val[0] = 0;
+        state->CH_Ctrl[12].addr[1] = 69;
+        state->CH_Ctrl[12].bit[1] = 3;
+        state->CH_Ctrl[12].val[1] = 0;
+        state->CH_Ctrl[12].addr[2] = 69;
+        state->CH_Ctrl[12].bit[2] = 4;
+        state->CH_Ctrl[12].val[2] = 0;
+        state->CH_Ctrl[13].Ctrl_Num = RFSYN_VCO_BIAS ;
+        state->CH_Ctrl[13].size = 6 ;
+        state->CH_Ctrl[13].addr[0] = 110;
+        state->CH_Ctrl[13].bit[0] = 2;
+        state->CH_Ctrl[13].val[0] = 0;
+        state->CH_Ctrl[13].addr[1] = 110;
+        state->CH_Ctrl[13].bit[1] = 3;
+        state->CH_Ctrl[13].val[1] = 0;
+        state->CH_Ctrl[13].addr[2] = 110;
+        state->CH_Ctrl[13].bit[2] = 4;
+        state->CH_Ctrl[13].val[2] = 0;
+        state->CH_Ctrl[13].addr[3] = 110;
+        state->CH_Ctrl[13].bit[3] = 5;
+        state->CH_Ctrl[13].val[3] = 0;
+        state->CH_Ctrl[13].addr[4] = 110;
+        state->CH_Ctrl[13].bit[4] = 6;
+        state->CH_Ctrl[13].val[4] = 0;
+        state->CH_Ctrl[13].addr[5] = 110;
+        state->CH_Ctrl[13].bit[5] = 7;
+        state->CH_Ctrl[13].val[5] = 1;
+        state->CH_Ctrl[14].Ctrl_Num = CHCAL_INT_MOD_RF ;
+        state->CH_Ctrl[14].size = 7 ;
+        state->CH_Ctrl[14].addr[0] = 14;
+        state->CH_Ctrl[14].bit[0] = 0;
+        state->CH_Ctrl[14].val[0] = 0;
+        state->CH_Ctrl[14].addr[1] = 14;
+        state->CH_Ctrl[14].bit[1] = 1;
+        state->CH_Ctrl[14].val[1] = 0;
+        state->CH_Ctrl[14].addr[2] = 14;
+        state->CH_Ctrl[14].bit[2] = 2;
+        state->CH_Ctrl[14].val[2] = 0;
+        state->CH_Ctrl[14].addr[3] = 14;
+        state->CH_Ctrl[14].bit[3] = 3;
+        state->CH_Ctrl[14].val[3] = 0;
+        state->CH_Ctrl[14].addr[4] = 14;
+        state->CH_Ctrl[14].bit[4] = 4;
+        state->CH_Ctrl[14].val[4] = 0;
+        state->CH_Ctrl[14].addr[5] = 14;
+        state->CH_Ctrl[14].bit[5] = 5;
+        state->CH_Ctrl[14].val[5] = 0;
+        state->CH_Ctrl[14].addr[6] = 14;
+        state->CH_Ctrl[14].bit[6] = 6;
+        state->CH_Ctrl[14].val[6] = 0;
+        state->CH_Ctrl[15].Ctrl_Num = CHCAL_FRAC_MOD_RF ;
+        state->CH_Ctrl[15].size = 18 ;
+        state->CH_Ctrl[15].addr[0] = 17;
+        state->CH_Ctrl[15].bit[0] = 6;
+        state->CH_Ctrl[15].val[0] = 0;
+        state->CH_Ctrl[15].addr[1] = 17;
+        state->CH_Ctrl[15].bit[1] = 7;
+        state->CH_Ctrl[15].val[1] = 0;
+        state->CH_Ctrl[15].addr[2] = 16;
+        state->CH_Ctrl[15].bit[2] = 0;
+        state->CH_Ctrl[15].val[2] = 0;
+        state->CH_Ctrl[15].addr[3] = 16;
+        state->CH_Ctrl[15].bit[3] = 1;
+        state->CH_Ctrl[15].val[3] = 0;
+        state->CH_Ctrl[15].addr[4] = 16;
+        state->CH_Ctrl[15].bit[4] = 2;
+        state->CH_Ctrl[15].val[4] = 0;
+        state->CH_Ctrl[15].addr[5] = 16;
+        state->CH_Ctrl[15].bit[5] = 3;
+        state->CH_Ctrl[15].val[5] = 0;
+        state->CH_Ctrl[15].addr[6] = 16;
+        state->CH_Ctrl[15].bit[6] = 4;
+        state->CH_Ctrl[15].val[6] = 0;
+        state->CH_Ctrl[15].addr[7] = 16;
+        state->CH_Ctrl[15].bit[7] = 5;
+        state->CH_Ctrl[15].val[7] = 0;
+        state->CH_Ctrl[15].addr[8] = 16;
+        state->CH_Ctrl[15].bit[8] = 6;
+        state->CH_Ctrl[15].val[8] = 0;
+        state->CH_Ctrl[15].addr[9] = 16;
+        state->CH_Ctrl[15].bit[9] = 7;
+        state->CH_Ctrl[15].val[9] = 0;
+        state->CH_Ctrl[15].addr[10] = 15;
+        state->CH_Ctrl[15].bit[10] = 0;
+        state->CH_Ctrl[15].val[10] = 0;
+        state->CH_Ctrl[15].addr[11] = 15;
+        state->CH_Ctrl[15].bit[11] = 1;
+        state->CH_Ctrl[15].val[11] = 0;
+        state->CH_Ctrl[15].addr[12] = 15;
+        state->CH_Ctrl[15].bit[12] = 2;
+        state->CH_Ctrl[15].val[12] = 0;
+        state->CH_Ctrl[15].addr[13] = 15;
+        state->CH_Ctrl[15].bit[13] = 3;
+        state->CH_Ctrl[15].val[13] = 0;
+        state->CH_Ctrl[15].addr[14] = 15;
+        state->CH_Ctrl[15].bit[14] = 4;
+        state->CH_Ctrl[15].val[14] = 0;
+        state->CH_Ctrl[15].addr[15] = 15;
+        state->CH_Ctrl[15].bit[15] = 5;
+        state->CH_Ctrl[15].val[15] = 0;
+        state->CH_Ctrl[15].addr[16] = 15;
+        state->CH_Ctrl[15].bit[16] = 6;
+        state->CH_Ctrl[15].val[16] = 1;
+        state->CH_Ctrl[15].addr[17] = 15;
+        state->CH_Ctrl[15].bit[17] = 7;
+        state->CH_Ctrl[15].val[17] = 1;
+        state->CH_Ctrl[16].Ctrl_Num = RFSYN_LPF_R ;
+        state->CH_Ctrl[16].size = 5 ;
+        state->CH_Ctrl[16].addr[0] = 112;
+        state->CH_Ctrl[16].bit[0] = 0;
+        state->CH_Ctrl[16].val[0] = 0;
+        state->CH_Ctrl[16].addr[1] = 112;
+        state->CH_Ctrl[16].bit[1] = 1;
+        state->CH_Ctrl[16].val[1] = 0;
+        state->CH_Ctrl[16].addr[2] = 112;
+        state->CH_Ctrl[16].bit[2] = 2;
+        state->CH_Ctrl[16].val[2] = 0;
+        state->CH_Ctrl[16].addr[3] = 112;
+        state->CH_Ctrl[16].bit[3] = 3;
+        state->CH_Ctrl[16].val[3] = 0;
+        state->CH_Ctrl[16].addr[4] = 112;
+        state->CH_Ctrl[16].bit[4] = 4;
+        state->CH_Ctrl[16].val[4] = 1;
+        state->CH_Ctrl[17].Ctrl_Num = CHCAL_EN_INT_RF ;
+        state->CH_Ctrl[17].size = 1 ;
+        state->CH_Ctrl[17].addr[0] = 14;
+        state->CH_Ctrl[17].bit[0] = 7;
+        state->CH_Ctrl[17].val[0] = 0;
+        state->CH_Ctrl[18].Ctrl_Num = TG_LO_DIVVAL ;
+        state->CH_Ctrl[18].size = 4 ;
+        state->CH_Ctrl[18].addr[0] = 107;
+        state->CH_Ctrl[18].bit[0] = 3;
+        state->CH_Ctrl[18].val[0] = 0;
+        state->CH_Ctrl[18].addr[1] = 107;
+        state->CH_Ctrl[18].bit[1] = 4;
+        state->CH_Ctrl[18].val[1] = 0;
+        state->CH_Ctrl[18].addr[2] = 107;
+        state->CH_Ctrl[18].bit[2] = 5;
+        state->CH_Ctrl[18].val[2] = 0;
+        state->CH_Ctrl[18].addr[3] = 107;
+        state->CH_Ctrl[18].bit[3] = 6;
+        state->CH_Ctrl[18].val[3] = 0;
+        state->CH_Ctrl[19].Ctrl_Num = TG_LO_SELVAL ;
+        state->CH_Ctrl[19].size = 3 ;
+        state->CH_Ctrl[19].addr[0] = 107;
+        state->CH_Ctrl[19].bit[0] = 7;
+        state->CH_Ctrl[19].val[0] = 1;
+        state->CH_Ctrl[19].addr[1] = 106;
+        state->CH_Ctrl[19].bit[1] = 0;
+        state->CH_Ctrl[19].val[1] = 1;
+        state->CH_Ctrl[19].addr[2] = 106;
+        state->CH_Ctrl[19].bit[2] = 1;
+        state->CH_Ctrl[19].val[2] = 1;
+        state->CH_Ctrl[20].Ctrl_Num = TG_DIV_VAL ;
+        state->CH_Ctrl[20].size = 11 ;
+        state->CH_Ctrl[20].addr[0] = 109;
+        state->CH_Ctrl[20].bit[0] = 2;
+        state->CH_Ctrl[20].val[0] = 0;
+        state->CH_Ctrl[20].addr[1] = 109;
+        state->CH_Ctrl[20].bit[1] = 3;
+        state->CH_Ctrl[20].val[1] = 0;
+        state->CH_Ctrl[20].addr[2] = 109;
+        state->CH_Ctrl[20].bit[2] = 4;
+        state->CH_Ctrl[20].val[2] = 0;
+        state->CH_Ctrl[20].addr[3] = 109;
+        state->CH_Ctrl[20].bit[3] = 5;
+        state->CH_Ctrl[20].val[3] = 0;
+        state->CH_Ctrl[20].addr[4] = 109;
+        state->CH_Ctrl[20].bit[4] = 6;
+        state->CH_Ctrl[20].val[4] = 0;
+        state->CH_Ctrl[20].addr[5] = 109;
+        state->CH_Ctrl[20].bit[5] = 7;
+        state->CH_Ctrl[20].val[5] = 0;
+        state->CH_Ctrl[20].addr[6] = 108;
+        state->CH_Ctrl[20].bit[6] = 0;
+        state->CH_Ctrl[20].val[6] = 0;
+        state->CH_Ctrl[20].addr[7] = 108;
+        state->CH_Ctrl[20].bit[7] = 1;
+        state->CH_Ctrl[20].val[7] = 0;
+        state->CH_Ctrl[20].addr[8] = 108;
+        state->CH_Ctrl[20].bit[8] = 2;
+        state->CH_Ctrl[20].val[8] = 1;
+        state->CH_Ctrl[20].addr[9] = 108;
+        state->CH_Ctrl[20].bit[9] = 3;
+        state->CH_Ctrl[20].val[9] = 1;
+        state->CH_Ctrl[20].addr[10] = 108;
+        state->CH_Ctrl[20].bit[10] = 4;
+        state->CH_Ctrl[20].val[10] = 1;
+        state->CH_Ctrl[21].Ctrl_Num = TG_VCO_BIAS ;
+        state->CH_Ctrl[21].size = 6 ;
+        state->CH_Ctrl[21].addr[0] = 106;
+        state->CH_Ctrl[21].bit[0] = 2;
+        state->CH_Ctrl[21].val[0] = 0;
+        state->CH_Ctrl[21].addr[1] = 106;
+        state->CH_Ctrl[21].bit[1] = 3;
+        state->CH_Ctrl[21].val[1] = 0;
+        state->CH_Ctrl[21].addr[2] = 106;
+        state->CH_Ctrl[21].bit[2] = 4;
+        state->CH_Ctrl[21].val[2] = 0;
+        state->CH_Ctrl[21].addr[3] = 106;
+        state->CH_Ctrl[21].bit[3] = 5;
+        state->CH_Ctrl[21].val[3] = 0;
+        state->CH_Ctrl[21].addr[4] = 106;
+        state->CH_Ctrl[21].bit[4] = 6;
+        state->CH_Ctrl[21].val[4] = 0;
+        state->CH_Ctrl[21].addr[5] = 106;
+        state->CH_Ctrl[21].bit[5] = 7;
+        state->CH_Ctrl[21].val[5] = 1;
+        state->CH_Ctrl[22].Ctrl_Num = SEQ_EXTPOWERUP ;
+        state->CH_Ctrl[22].size = 1 ;
+        state->CH_Ctrl[22].addr[0] = 138;
+        state->CH_Ctrl[22].bit[0] = 4;
+        state->CH_Ctrl[22].val[0] = 1;
+        state->CH_Ctrl[23].Ctrl_Num = OVERRIDE_2 ;
+        state->CH_Ctrl[23].size = 1 ;
+        state->CH_Ctrl[23].addr[0] = 17;
+        state->CH_Ctrl[23].bit[0] = 5;
+        state->CH_Ctrl[23].val[0] = 0;
+        state->CH_Ctrl[24].Ctrl_Num = OVERRIDE_3 ;
+        state->CH_Ctrl[24].size = 1 ;
+        state->CH_Ctrl[24].addr[0] = 111;
+        state->CH_Ctrl[24].bit[0] = 3;
+        state->CH_Ctrl[24].val[0] = 0;
+        state->CH_Ctrl[25].Ctrl_Num = OVERRIDE_4 ;
+        state->CH_Ctrl[25].size = 1 ;
+        state->CH_Ctrl[25].addr[0] = 112;
+        state->CH_Ctrl[25].bit[0] = 7;
+        state->CH_Ctrl[25].val[0] = 0;
+        state->CH_Ctrl[26].Ctrl_Num = SEQ_FSM_PULSE ;
+        state->CH_Ctrl[26].size = 1 ;
+        state->CH_Ctrl[26].addr[0] = 136;
+        state->CH_Ctrl[26].bit[0] = 7;
+        state->CH_Ctrl[26].val[0] = 0;
+        state->CH_Ctrl[27].Ctrl_Num = GPIO_4B ;
+        state->CH_Ctrl[27].size = 1 ;
+        state->CH_Ctrl[27].addr[0] = 149;
+        state->CH_Ctrl[27].bit[0] = 7;
+        state->CH_Ctrl[27].val[0] = 0;
+        state->CH_Ctrl[28].Ctrl_Num = GPIO_3B ;
+        state->CH_Ctrl[28].size = 1 ;
+        state->CH_Ctrl[28].addr[0] = 149;
+        state->CH_Ctrl[28].bit[0] = 6;
+        state->CH_Ctrl[28].val[0] = 0;
+        state->CH_Ctrl[29].Ctrl_Num = GPIO_4 ;
+        state->CH_Ctrl[29].size = 1 ;
+        state->CH_Ctrl[29].addr[0] = 149;
+        state->CH_Ctrl[29].bit[0] = 5;
+        state->CH_Ctrl[29].val[0] = 1;
+        state->CH_Ctrl[30].Ctrl_Num = GPIO_3 ;
+        state->CH_Ctrl[30].size = 1 ;
+        state->CH_Ctrl[30].addr[0] = 149;
+        state->CH_Ctrl[30].bit[0] = 4;
+        state->CH_Ctrl[30].val[0] = 1;
+        state->CH_Ctrl[31].Ctrl_Num = GPIO_1B ;
+        state->CH_Ctrl[31].size = 1 ;
+        state->CH_Ctrl[31].addr[0] = 149;
+        state->CH_Ctrl[31].bit[0] = 3;
+        state->CH_Ctrl[31].val[0] = 0;
+        state->CH_Ctrl[32].Ctrl_Num = DAC_A_ENABLE ;
+        state->CH_Ctrl[32].size = 1 ;
+        state->CH_Ctrl[32].addr[0] = 93;
+        state->CH_Ctrl[32].bit[0] = 1;
+        state->CH_Ctrl[32].val[0] = 0;
+        state->CH_Ctrl[33].Ctrl_Num = DAC_B_ENABLE ;
+        state->CH_Ctrl[33].size = 1 ;
+        state->CH_Ctrl[33].addr[0] = 93;
+        state->CH_Ctrl[33].bit[0] = 0;
+        state->CH_Ctrl[33].val[0] = 0;
+        state->CH_Ctrl[34].Ctrl_Num = DAC_DIN_A ;
+        state->CH_Ctrl[34].size = 6 ;
+        state->CH_Ctrl[34].addr[0] = 92;
+        state->CH_Ctrl[34].bit[0] = 2;
+        state->CH_Ctrl[34].val[0] = 0;
+        state->CH_Ctrl[34].addr[1] = 92;
+        state->CH_Ctrl[34].bit[1] = 3;
+        state->CH_Ctrl[34].val[1] = 0;
+        state->CH_Ctrl[34].addr[2] = 92;
+        state->CH_Ctrl[34].bit[2] = 4;
+        state->CH_Ctrl[34].val[2] = 0;
+        state->CH_Ctrl[34].addr[3] = 92;
+        state->CH_Ctrl[34].bit[3] = 5;
+        state->CH_Ctrl[34].val[3] = 0;
+        state->CH_Ctrl[34].addr[4] = 92;
+        state->CH_Ctrl[34].bit[4] = 6;
+        state->CH_Ctrl[34].val[4] = 0;
+        state->CH_Ctrl[34].addr[5] = 92;
+        state->CH_Ctrl[34].bit[5] = 7;
+        state->CH_Ctrl[34].val[5] = 0;
+        state->CH_Ctrl[35].Ctrl_Num = DAC_DIN_B ;
+        state->CH_Ctrl[35].size = 6 ;
+        state->CH_Ctrl[35].addr[0] = 93;
+        state->CH_Ctrl[35].bit[0] = 2;
+        state->CH_Ctrl[35].val[0] = 0;
+        state->CH_Ctrl[35].addr[1] = 93;
+        state->CH_Ctrl[35].bit[1] = 3;
+        state->CH_Ctrl[35].val[1] = 0;
+        state->CH_Ctrl[35].addr[2] = 93;
+        state->CH_Ctrl[35].bit[2] = 4;
+        state->CH_Ctrl[35].val[2] = 0;
+        state->CH_Ctrl[35].addr[3] = 93;
+        state->CH_Ctrl[35].bit[3] = 5;
+        state->CH_Ctrl[35].val[3] = 0;
+        state->CH_Ctrl[35].addr[4] = 93;
+        state->CH_Ctrl[35].bit[4] = 6;
+        state->CH_Ctrl[35].val[4] = 0;
+        state->CH_Ctrl[35].addr[5] = 93;
+        state->CH_Ctrl[35].bit[5] = 7;
+        state->CH_Ctrl[35].val[5] = 0;
+#ifdef _MXL_PRODUCTION
+        state->CH_Ctrl[36].Ctrl_Num = RFSYN_EN_DIV ;
+        state->CH_Ctrl[36].size = 1 ;
+        state->CH_Ctrl[36].addr[0] = 109;
+        state->CH_Ctrl[36].bit[0] = 1;
+        state->CH_Ctrl[36].val[0] = 1;
+        state->CH_Ctrl[37].Ctrl_Num = RFSYN_DIVM ;
+        state->CH_Ctrl[37].size = 2 ;
+        state->CH_Ctrl[37].addr[0] = 112;
+        state->CH_Ctrl[37].bit[0] = 5;
+        state->CH_Ctrl[37].val[0] = 0;
+        state->CH_Ctrl[37].addr[1] = 112;
+        state->CH_Ctrl[37].bit[1] = 6;
+        state->CH_Ctrl[37].val[1] = 0;
+        state->CH_Ctrl[38].Ctrl_Num = DN_BYPASS_AGC_I2C ;
+        state->CH_Ctrl[38].size = 1 ;
+        state->CH_Ctrl[38].addr[0] = 65;
+        state->CH_Ctrl[38].bit[0] = 1;
+        state->CH_Ctrl[38].val[0] = 0;
+#endif
+        return 0 ;
+}
+static void InitTunerControls(struct dvb_frontend *fe)
+{
+        MXL5005_RegisterInit(fe);
+        MXL5005_ControlInit(fe);
+#ifdef _MXL_INTERNAL
+        MXL5005_MXLControlInit(fe);
+#endif
+}
+static u16 MXL5005_TunerConfig(struct dvb_frontend *fe,
+        u8      Mode,           /* 0: Analog Mode ; 1: Digital Mode */
+        u8      IF_mode,        /* for Analog Mode, 0: zero IF; 1: low IF */
+        u32     Bandwidth,      /* filter  channel bandwidth (6, 7, 8) */
+        u32     IF_out,         /* Desired IF Out Frequency */
+        u32     Fxtal,          /* XTAL Frequency */
+        u8      AGC_Mode,       /* AGC Mode - Dual AGC: 0, Single AGC: 1 */
+        u16     TOP,            /* 0: Dual AGC; Value: take over point */
+        u16     IF_OUT_LOAD,    /* IF Out Load Resistor (200 / 300 Ohms) */
+        u8      CLOCK_OUT,      /* 0: turn off clk out; 1: turn on clock out */
+        u8      DIV_OUT,        /* 0: Div-1; 1: Div-4 */
+        u8      CAPSELECT,      /* 0: disable On-Chip pulling cap; 1: enable */
+        u8      EN_RSSI,        /* 0: disable RSSI; 1: enable RSSI */
+        /* Modulation Type; */
+        /* 0 - Default; 1 - DVB-T; 2 - ATSC; 3 - QAM; 4 - Analog Cable */
+        u8      Mod_Type,
+        /* Tracking Filter */
+        /* 0 - Default; 1 - Off; 2 - Type C; 3 - Type C-H */
+        u8      TF_Type
+        )
+{
+        struct mxl5005s_state *state = fe->tuner_priv;
+        u16 status = 0;
+        state->Mode = Mode;
+        state->IF_Mode = IF_mode;
+        state->Chan_Bandwidth = Bandwidth;
+        state->IF_OUT = IF_out;
+        state->Fxtal = Fxtal;
+        state->AGC_Mode = AGC_Mode;
+        state->TOP = TOP;
+        state->IF_OUT_LOAD = IF_OUT_LOAD;
+        state->CLOCK_OUT = CLOCK_OUT;
+        state->DIV_OUT = DIV_OUT;
+        state->CAPSELECT = CAPSELECT;
+        state->EN_RSSI = EN_RSSI;
+        state->Mod_Type = Mod_Type;
+        state->TF_Type = TF_Type;
+        /* Initialize all the controls and registers */
+        InitTunerControls(fe);
+        /* Synthesizer LO frequency calculation */
+        MXL_SynthIFLO_Calc(fe);
+        return status;
+}
+static void MXL_SynthIFLO_Calc(struct dvb_frontend *fe)
+{
+        struct mxl5005s_state *state = fe->tuner_priv;
+        if (state->Mode == 1) /* Digital Mode */
+                state->IF_LO = state->IF_OUT;
+        else /* Analog Mode */ {
+                if (state->IF_Mode == 0) /* Analog Zero IF mode */
+                        state->IF_LO = state->IF_OUT + 400000;
+                else /* Analog Low IF mode */
+                        state->IF_LO = state->IF_OUT + state->Chan_Bandwidth/2;
+        }
+}
+static void MXL_SynthRFTGLO_Calc(struct dvb_frontend *fe)
+{
+        struct mxl5005s_state *state = fe->tuner_priv;
+        if (state->Mode == 1) /* Digital Mode */ {
+                        /* remove 20.48MHz setting for 2.6.10 */
+                        state->RF_LO = state->RF_IN;
+                        /* change for 2.6.6 */
+                        state->TG_LO = state->RF_IN - 750000;
+        } else /* Analog Mode */ {
+                if (state->IF_Mode == 0) /* Analog Zero IF mode */ {
+                        state->RF_LO = state->RF_IN - 400000;
+                        state->TG_LO = state->RF_IN - 1750000;
+                } else /* Analog Low IF mode */ {
+                        state->RF_LO = state->RF_IN - state->Chan_Bandwidth/2;
+                        state->TG_LO = state->RF_IN -
+                                state->Chan_Bandwidth + 500000;
+                }
+        }
+}
+static u16 MXL_OverwriteICDefault(struct dvb_frontend *fe)
+{
+        u16 status = 0;
+        status += MXL_ControlWrite(fe, OVERRIDE_1, 1);
+        status += MXL_ControlWrite(fe, OVERRIDE_2, 1);
+        status += MXL_ControlWrite(fe, OVERRIDE_3, 1);
+        status += MXL_ControlWrite(fe, OVERRIDE_4, 1);
+        return status;
+}
+static u16 MXL_BlockInit(struct dvb_frontend *fe)
+{
+        struct mxl5005s_state *state = fe->tuner_priv;
+        u16 status = 0;
+        status += MXL_OverwriteICDefault(fe);
+        /* Downconverter Control Dig Ana */
+        status += MXL_ControlWrite(fe, DN_IQTN_AMP_CUT, state->Mode ? 1 : 0);
+        /* Filter Control  Dig  Ana */
+        status += MXL_ControlWrite(fe, BB_MODE, state->Mode ? 0 : 1);
+        status += MXL_ControlWrite(fe, BB_BUF, state->Mode ? 3 : 2);
+        status += MXL_ControlWrite(fe, BB_BUF_OA, state->Mode ? 1 : 0);
+        status += MXL_ControlWrite(fe, BB_IQSWAP, state->Mode ? 0 : 1);
+        status += MXL_ControlWrite(fe, BB_INITSTATE_DLPF_TUNE, 0);
+        /* Initialize Low-Pass Filter */
+        if (state->Mode) { /* Digital Mode */
+                switch (state->Chan_Bandwidth) {
+                case 8000000:
+                        status += MXL_ControlWrite(fe, BB_DLPF_BANDSEL, 0);
+                        break;
+                case 7000000:
+                        status += MXL_ControlWrite(fe, BB_DLPF_BANDSEL, 2);
+                        break;
+                case 6000000:
+                        status += MXL_ControlWrite(fe,
+                                        BB_DLPF_BANDSEL, 3);
+                        break;
+                }
+        } else { /* Analog Mode */
+                switch (state->Chan_Bandwidth) {
+                case 8000000:   /* Low Zero */
+                        status += MXL_ControlWrite(fe, BB_ALPF_BANDSELECT,
+                                        (state->IF_Mode ? 0 : 3));
+                        break;
+                case 7000000:
+                        status += MXL_ControlWrite(fe, BB_ALPF_BANDSELECT,
+                                        (state->IF_Mode ? 1 : 4));
+                        break;
+                case 6000000:
+                        status += MXL_ControlWrite(fe, BB_ALPF_BANDSELECT,
+                                        (state->IF_Mode ? 2 : 5));
+                        break;
+                }
+        }
+        /* Charge Pump Control Dig  Ana */
+        status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN, state->Mode ? 5 : 8);
+        status += MXL_ControlWrite(fe,
+                RFSYN_EN_CHP_HIGAIN, state->Mode ? 1 : 1);
+        status += MXL_ControlWrite(fe, EN_CHP_LIN_B, state->Mode ? 0 : 0);
+        /* AGC TOP Control */
+        if (state->AGC_Mode == 0) /* Dual AGC */ {
+                status += MXL_ControlWrite(fe, AGC_IF, 15);
+                status += MXL_ControlWrite(fe, AGC_RF, 15);
+        } else /*  Single AGC Mode Dig  Ana */
+                status += MXL_ControlWrite(fe, AGC_RF, state->Mode ? 15 : 12);
+        if (state->TOP == 55) /* TOP == 5.5 */
+                status += MXL_ControlWrite(fe, AGC_IF, 0x0);
+        if (state->TOP == 72) /* TOP == 7.2 */
+                status += MXL_ControlWrite(fe, AGC_IF, 0x1);
+        if (state->TOP == 92) /* TOP == 9.2 */
+                status += MXL_ControlWrite(fe, AGC_IF, 0x2);
+        if (state->TOP == 110) /* TOP == 11.0 */
+                status += MXL_ControlWrite(fe, AGC_IF, 0x3);
+        if (state->TOP == 129) /* TOP == 12.9 */
+                status += MXL_ControlWrite(fe, AGC_IF, 0x4);
+        if (state->TOP == 147) /* TOP == 14.7 */
+                status += MXL_ControlWrite(fe, AGC_IF, 0x5);
+        if (state->TOP == 168) /* TOP == 16.8 */
+                status += MXL_ControlWrite(fe, AGC_IF, 0x6);
+        if (state->TOP == 194) /* TOP == 19.4 */
+                status += MXL_ControlWrite(fe, AGC_IF, 0x7);
+        if (state->TOP == 212) /* TOP == 21.2 */
+                status += MXL_ControlWrite(fe, AGC_IF, 0x9);
+        if (state->TOP == 232) /* TOP == 23.2 */
+                status += MXL_ControlWrite(fe, AGC_IF, 0xA);
+        if (state->TOP == 252) /* TOP == 25.2 */
+                status += MXL_ControlWrite(fe, AGC_IF, 0xB);
+        if (state->TOP == 271) /* TOP == 27.1 */
+                status += MXL_ControlWrite(fe, AGC_IF, 0xC);
+        if (state->TOP == 292) /* TOP == 29.2 */
+                status += MXL_ControlWrite(fe, AGC_IF, 0xD);
+        if (state->TOP == 317) /* TOP == 31.7 */
+                status += MXL_ControlWrite(fe, AGC_IF, 0xE);
+        if (state->TOP == 349) /* TOP == 34.9 */
+                status += MXL_ControlWrite(fe, AGC_IF, 0xF);
+        /* IF Synthesizer Control */
+        status += MXL_IFSynthInit(fe);
+        /* IF UpConverter Control */
+        if (state->IF_OUT_LOAD == 200) {
+                status += MXL_ControlWrite(fe, DRV_RES_SEL, 6);
+                status += MXL_ControlWrite(fe, I_DRIVER, 2);
+        }
+        if (state->IF_OUT_LOAD == 300) {
+                status += MXL_ControlWrite(fe, DRV_RES_SEL, 4);
+                status += MXL_ControlWrite(fe, I_DRIVER, 1);
+        }
+        /* Anti-Alias Filtering Control
+         * initialise Anti-Aliasing Filter
+         */
+        if (state->Mode) { /* Digital Mode */
+                if (state->IF_OUT >= 4000000UL && state->IF_OUT <= 6280000UL) {
+                        status += MXL_ControlWrite(fe, EN_AAF, 1);
+                        status += MXL_ControlWrite(fe, EN_3P, 1);
+                        status += MXL_ControlWrite(fe, EN_AUX_3P, 1);
+                        status += MXL_ControlWrite(fe, SEL_AAF_BAND, 0);
+                }
+                if ((state->IF_OUT == 36125000UL) ||
+                        (state->IF_OUT == 36150000UL)) {
+                        status += MXL_ControlWrite(fe, EN_AAF, 1);
+                        status += MXL_ControlWrite(fe, EN_3P, 1);
+                        status += MXL_ControlWrite(fe, EN_AUX_3P, 1);
+                        status += MXL_ControlWrite(fe, SEL_AAF_BAND, 1);
+                }
+                if (state->IF_OUT > 36150000UL) {
+                        status += MXL_ControlWrite(fe, EN_AAF, 0);
+                        status += MXL_ControlWrite(fe, EN_3P, 1);
+                        status += MXL_ControlWrite(fe, EN_AUX_3P, 1);
+                        status += MXL_ControlWrite(fe, SEL_AAF_BAND, 1);
+                }
+        } else { /* Analog Mode */
+                if (state->IF_OUT >= 4000000UL && state->IF_OUT <= 5000000UL) {
+                        status += MXL_ControlWrite(fe, EN_AAF, 1);
+                        status += MXL_ControlWrite(fe, EN_3P, 1);
+                        status += MXL_ControlWrite(fe, EN_AUX_3P, 1);
+                        status += MXL_ControlWrite(fe, SEL_AAF_BAND, 0);
+                }
+                if (state->IF_OUT > 5000000UL) {
+                        status += MXL_ControlWrite(fe, EN_AAF, 0);
+                        status += MXL_ControlWrite(fe, EN_3P, 0);
+                        status += MXL_ControlWrite(fe, EN_AUX_3P, 0);
+                        status += MXL_ControlWrite(fe, SEL_AAF_BAND, 0);
+                }
+        }
+        /* Demod Clock Out */
+        if (state->CLOCK_OUT)
+                status += MXL_ControlWrite(fe, SEQ_ENCLK16_CLK_OUT, 1);
+        else
+                status += MXL_ControlWrite(fe, SEQ_ENCLK16_CLK_OUT, 0);
+        if (state->DIV_OUT == 1)
+                status += MXL_ControlWrite(fe, SEQ_SEL4_16B, 1);
+        if (state->DIV_OUT == 0)
+                status += MXL_ControlWrite(fe, SEQ_SEL4_16B, 0);
+        /* Crystal Control */
+        if (state->CAPSELECT)
+                status += MXL_ControlWrite(fe, XTAL_CAPSELECT, 1);
+        else
+                status += MXL_ControlWrite(fe, XTAL_CAPSELECT, 0);
+        if (state->Fxtal >= 12000000UL && state->Fxtal <= 16000000UL)
+                status += MXL_ControlWrite(fe, IF_SEL_DBL, 1);
+        if (state->Fxtal > 16000000UL && state->Fxtal <= 32000000UL)
+                status += MXL_ControlWrite(fe, IF_SEL_DBL, 0);
+        if (state->Fxtal >= 12000000UL && state->Fxtal <= 22000000UL)
+                status += MXL_ControlWrite(fe, RFSYN_R_DIV, 3);
+        if (state->Fxtal > 22000000UL && state->Fxtal <= 32000000UL)
+                status += MXL_ControlWrite(fe, RFSYN_R_DIV, 0);
+        /* Misc Controls */
+        if (state->Mode == 0 && state->IF_Mode == 1) /* Analog LowIF mode */
+                status += MXL_ControlWrite(fe, SEQ_EXTIQFSMPULSE, 0);
+        else
+                status += MXL_ControlWrite(fe, SEQ_EXTIQFSMPULSE, 1);
+        /* status += MXL_ControlRead(fe, IF_DIVVAL, &IF_DIVVAL_Val); */
+        /* Set TG_R_DIV */
+        status += MXL_ControlWrite(fe, TG_R_DIV,
+                MXL_Ceiling(state->Fxtal, 1000000));
+        /* Apply Default value to BB_INITSTATE_DLPF_TUNE */
+        /* RSSI Control */
+        if (state->EN_RSSI) {
+                status += MXL_ControlWrite(fe, SEQ_EXTSYNTHCALIF, 1);
+                status += MXL_ControlWrite(fe, SEQ_EXTDCCAL, 1);
+                status += MXL_ControlWrite(fe, AGC_EN_RSSI, 1);
+                status += MXL_ControlWrite(fe, RFA_ENCLKRFAGC, 1);
+                /* RSSI reference point */
+                status += MXL_ControlWrite(fe, RFA_RSSI_REF, 2);
+                status += MXL_ControlWrite(fe, RFA_RSSI_REFH, 3);
+                status += MXL_ControlWrite(fe, RFA_RSSI_REFL, 1);
+                /* TOP point */
+                status += MXL_ControlWrite(fe, RFA_FLR, 0);
+                status += MXL_ControlWrite(fe, RFA_CEIL, 12);
+        }
+        /* Modulation type bit settings
+         * Override the control values preset
+         */
+        if (state->Mod_Type == MXL_DVBT) /* DVB-T Mode */ {
+                state->AGC_Mode = 1; /* Single AGC Mode */
+                /* Enable RSSI */
+                status += MXL_ControlWrite(fe, SEQ_EXTSYNTHCALIF, 1);
+                status += MXL_ControlWrite(fe, SEQ_EXTDCCAL, 1);
+                status += MXL_ControlWrite(fe, AGC_EN_RSSI, 1);
+                status += MXL_ControlWrite(fe, RFA_ENCLKRFAGC, 1);
+                /* RSSI reference point */
+                status += MXL_ControlWrite(fe, RFA_RSSI_REF, 3);
+                status += MXL_ControlWrite(fe, RFA_RSSI_REFH, 5);
+                status += MXL_ControlWrite(fe, RFA_RSSI_REFL, 1);
+                /* TOP point */
+                status += MXL_ControlWrite(fe, RFA_FLR, 2);
+                status += MXL_ControlWrite(fe, RFA_CEIL, 13);
+                if (state->IF_OUT <= 6280000UL) /* Low IF */
+                        status += MXL_ControlWrite(fe, BB_IQSWAP, 0);
+                else /* High IF */
+                        status += MXL_ControlWrite(fe, BB_IQSWAP, 1);
+        }
+        if (state->Mod_Type == MXL_ATSC) /* ATSC Mode */ {
+                state->AGC_Mode = 1;    /* Single AGC Mode */
+                /* Enable RSSI */
+                status += MXL_ControlWrite(fe, SEQ_EXTSYNTHCALIF, 1);
+                status += MXL_ControlWrite(fe, SEQ_EXTDCCAL, 1);
+                status += MXL_ControlWrite(fe, AGC_EN_RSSI, 1);
+                status += MXL_ControlWrite(fe, RFA_ENCLKRFAGC, 1);
+                /* RSSI reference point */
+                status += MXL_ControlWrite(fe, RFA_RSSI_REF, 2);
+                status += MXL_ControlWrite(fe, RFA_RSSI_REFH, 4);
+                status += MXL_ControlWrite(fe, RFA_RSSI_REFL, 1);
+                /* TOP point */
+                status += MXL_ControlWrite(fe, RFA_FLR, 2);
+                status += MXL_ControlWrite(fe, RFA_CEIL, 13);
+                status += MXL_ControlWrite(fe, BB_INITSTATE_DLPF_TUNE, 1);
+                /* Low Zero */
+                status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN, 5);
+                if (state->IF_OUT <= 6280000UL) /* Low IF */
+                        status += MXL_ControlWrite(fe, BB_IQSWAP, 0);
+                else /* High IF */
+                        status += MXL_ControlWrite(fe, BB_IQSWAP, 1);
+        }
+        if (state->Mod_Type == MXL_QAM) /* QAM Mode */ {
+                state->Mode = MXL_DIGITAL_MODE;
+                /* state->AGC_Mode = 1; */ /* Single AGC Mode */
+                /* Disable RSSI */      /* change here for v2.6.5 */
+                status += MXL_ControlWrite(fe, SEQ_EXTSYNTHCALIF, 1);
+                status += MXL_ControlWrite(fe, SEQ_EXTDCCAL, 1);
+                status += MXL_ControlWrite(fe, AGC_EN_RSSI, 0);
+                status += MXL_ControlWrite(fe, RFA_ENCLKRFAGC, 1);
+                /* RSSI reference point */
+                status += MXL_ControlWrite(fe, RFA_RSSI_REFH, 5);
+                status += MXL_ControlWrite(fe, RFA_RSSI_REF, 3);
+                status += MXL_ControlWrite(fe, RFA_RSSI_REFL, 2);
+                /* change here for v2.6.5 */
+                status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN, 3);
+                if (state->IF_OUT <= 6280000UL) /* Low IF */
+                        status += MXL_ControlWrite(fe, BB_IQSWAP, 0);
+                else /* High IF */
+                        status += MXL_ControlWrite(fe, BB_IQSWAP, 1);
+                status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN, 2);
+        }
+        if (state->Mod_Type == MXL_ANALOG_CABLE) {
+                /* Analog Cable Mode */
+                /* state->Mode = MXL_DIGITAL_MODE; */
+                state->AGC_Mode = 1; /* Single AGC Mode */
+                /* Disable RSSI */
+                status += MXL_ControlWrite(fe, SEQ_EXTSYNTHCALIF, 1);
+                status += MXL_ControlWrite(fe, SEQ_EXTDCCAL, 1);
+                status += MXL_ControlWrite(fe, AGC_EN_RSSI, 0);
+                status += MXL_ControlWrite(fe, RFA_ENCLKRFAGC, 1);
+                /* change for 2.6.3 */
+                status += MXL_ControlWrite(fe, AGC_IF, 1);
+                status += MXL_ControlWrite(fe, AGC_RF, 15);
+                status += MXL_ControlWrite(fe, BB_IQSWAP, 1);
+        }
+        if (state->Mod_Type == MXL_ANALOG_OTA) {
+                /* Analog OTA Terrestrial mode add for 2.6.7 */
+                /* state->Mode = MXL_ANALOG_MODE; */
+                /* Enable RSSI */
+                status += MXL_ControlWrite(fe, SEQ_EXTSYNTHCALIF, 1);
+                status += MXL_ControlWrite(fe, SEQ_EXTDCCAL, 1);
+                status += MXL_ControlWrite(fe, AGC_EN_RSSI, 1);
+                status += MXL_ControlWrite(fe, RFA_ENCLKRFAGC, 1);
+                /* RSSI reference point */
+                status += MXL_ControlWrite(fe, RFA_RSSI_REFH, 5);
+                status += MXL_ControlWrite(fe, RFA_RSSI_REF, 3);
+                status += MXL_ControlWrite(fe, RFA_RSSI_REFL, 2);
+                status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN, 3);
+                status += MXL_ControlWrite(fe, BB_IQSWAP, 1);
+        }
+        /* RSSI disable */
+        if (state->EN_RSSI == 0) {
+                status += MXL_ControlWrite(fe, SEQ_EXTSYNTHCALIF, 1);
+                status += MXL_ControlWrite(fe, SEQ_EXTDCCAL, 1);
+                status += MXL_ControlWrite(fe, AGC_EN_RSSI, 0);
+                status += MXL_ControlWrite(fe, RFA_ENCLKRFAGC, 1);
+        }
+        return status;
+}
+static u16 MXL_IFSynthInit(struct dvb_frontend *fe)
+{
+        struct mxl5005s_state *state = fe->tuner_priv;
+        u16 status = 0 ;
+        u32     Fref = 0 ;
+        u32     Kdbl, intModVal ;
+        u32     fracModVal ;
+        Kdbl = 2 ;
+        if (state->Fxtal >= 12000000UL && state->Fxtal <= 16000000UL)
+                Kdbl = 2 ;
+        if (state->Fxtal > 16000000UL && state->Fxtal <= 32000000UL)
+                Kdbl = 1 ;
+        /* IF Synthesizer Control */
+        if (state->Mode == 0 && state->IF_Mode == 1) /* Analog Low IF mode */ {
+                if (state->IF_LO == 41000000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x08);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x0C);
+                        Fref = 328000000UL ;
+                }
+                if (state->IF_LO == 47000000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x08);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 376000000UL ;
+                }
+                if (state->IF_LO == 54000000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x10);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x0C);
+                        Fref = 324000000UL ;
+                }
+                if (state->IF_LO == 60000000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x10);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 360000000UL ;
+                }
+                if (state->IF_LO == 39250000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x08);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x0C);
+                        Fref = 314000000UL ;
+                }
+                if (state->IF_LO == 39650000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x08);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x0C);
+                        Fref = 317200000UL ;
+                }
+                if (state->IF_LO == 40150000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x08);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x0C);
+                        Fref = 321200000UL ;
+                }
+                if (state->IF_LO == 40650000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x08);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x0C);
+                        Fref = 325200000UL ;
+                }
+        }
+        if (state->Mode || (state->Mode == 0 && state->IF_Mode == 0)) {
+                if (state->IF_LO == 57000000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x10);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 342000000UL ;
+                }
+                if (state->IF_LO == 44000000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x08);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 352000000UL ;
+                }
+                if (state->IF_LO == 43750000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x08);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 350000000UL ;
+                }
+                if (state->IF_LO == 36650000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x04);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 366500000UL ;
+                }
+                if (state->IF_LO == 36150000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x04);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 361500000UL ;
+                }
+                if (state->IF_LO == 36000000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x04);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 360000000UL ;
+                }
+                if (state->IF_LO == 35250000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x04);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 352500000UL ;
+                }
+                if (state->IF_LO == 34750000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x04);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 347500000UL ;
+                }
+                if (state->IF_LO == 6280000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x07);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 376800000UL ;
+                }
+                if (state->IF_LO == 5000000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x09);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 360000000UL ;
+                }
+                if (state->IF_LO == 4500000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x06);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 360000000UL ;
+                }
+                if (state->IF_LO == 4570000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x06);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 365600000UL ;
+                }
+                if (state->IF_LO == 4000000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x05);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 360000000UL ;
+                }
+                if (state->IF_LO == 57400000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x10);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 344400000UL ;
+                }
+                if (state->IF_LO == 44400000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x08);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 355200000UL ;
+                }
+                if (state->IF_LO == 44150000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x08);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 353200000UL ;
+                }
+                if (state->IF_LO == 37050000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x04);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 370500000UL ;
+                }
+                if (state->IF_LO == 36550000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x04);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 365500000UL ;
+                }
+                if (state->IF_LO == 36125000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x04);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 361250000UL ;
+                }
+                if (state->IF_LO == 6000000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x07);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 360000000UL ;
+                }
+                if (state->IF_LO == 5400000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x07);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x0C);
+                        Fref = 324000000UL ;
+                }
+                if (state->IF_LO == 5380000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x07);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x0C);
+                        Fref = 322800000UL ;
+                }
+                if (state->IF_LO == 5200000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x09);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 374400000UL ;
+                }
+                if (state->IF_LO == 4900000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x09);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 352800000UL ;
+                }
+                if (state->IF_LO == 4400000UL) {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x06);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 352000000UL ;
+                }
+                if (state->IF_LO == 4063000UL)  /* add for 2.6.8 */ {
+                        status += MXL_ControlWrite(fe, IF_DIVVAL,   0x05);
+                        status += MXL_ControlWrite(fe, IF_VCO_BIAS, 0x08);
+                        Fref = 365670000UL ;
+                }
+        }
+        /* CHCAL_INT_MOD_IF */
+        /* CHCAL_FRAC_MOD_IF */
+        intModVal = Fref / (state->Fxtal * Kdbl/2);
+        status += MXL_ControlWrite(fe, CHCAL_INT_MOD_IF, intModVal);
+        fracModVal = (2<<15)*(Fref/1000 - (state->Fxtal/1000 * Kdbl/2) *
+                intModVal);
+        fracModVal = fracModVal / ((state->Fxtal * Kdbl/2)/1000);
+        status += MXL_ControlWrite(fe, CHCAL_FRAC_MOD_IF, fracModVal);
+        return status ;
+}
+static u32 MXL_GetXtalInt(u32 Xtal_Freq)
+{
+        if ((Xtal_Freq % 1000000) == 0)
+                return (Xtal_Freq / 10000);
+        else
+                return (((Xtal_Freq / 1000000) + 1)*100);
+}
+static u16 MXL_TuneRF(struct dvb_frontend *fe, u32 RF_Freq)
+{
+        struct mxl5005s_state *state = fe->tuner_priv;
+        u16 status = 0;
+        u32 divider_val, E3, E4, E5, E5A;
+        u32 Fmax, Fmin, FmaxBin, FminBin;
+        u32 Kdbl_RF = 2;
+        u32 tg_divval;
+        u32 tg_lo;
+        u32 Xtal_Int;
+        u32 Fref_TG;
+        u32 Fvco;
+        Xtal_Int = MXL_GetXtalInt(state->Fxtal);
+        state->RF_IN = RF_Freq;
+        MXL_SynthRFTGLO_Calc(fe);
+        if (state->Fxtal >= 12000000UL && state->Fxtal <= 22000000UL)
+                Kdbl_RF = 2;
+        if (state->Fxtal > 22000000 && state->Fxtal <= 32000000)
+                Kdbl_RF = 1;
+        /* Downconverter Controls
+         * Look-Up Table Implementation for:
+         *      DN_POLY
+         *      DN_RFGAIN
+         *      DN_CAP_RFLPF
+         *      DN_EN_VHFUHFBAR
+         *      DN_GAIN_ADJUST
+         *  Change the boundary reference from RF_IN to RF_LO
+         */
+        if (state->RF_LO < 40000000UL)
+                return -1;
+        if (state->RF_LO >= 40000000UL && state->RF_LO <= 75000000UL) {
+                status += MXL_ControlWrite(fe, DN_POLY,              2);
+                status += MXL_ControlWrite(fe, DN_RFGAIN,            3);
+                status += MXL_ControlWrite(fe, DN_CAP_RFLPF,         423);
+                status += MXL_ControlWrite(fe, DN_EN_VHFUHFBAR,      1);
+                status += MXL_ControlWrite(fe, DN_GAIN_ADJUST,       1);
+        }
+        if (state->RF_LO > 75000000UL && state->RF_LO <= 100000000UL) {
+                status += MXL_ControlWrite(fe, DN_POLY,              3);
+                status += MXL_ControlWrite(fe, DN_RFGAIN,            3);
+                status += MXL_ControlWrite(fe, DN_CAP_RFLPF,         222);
+                status += MXL_ControlWrite(fe, DN_EN_VHFUHFBAR,      1);
+                status += MXL_ControlWrite(fe, DN_GAIN_ADJUST,       1);
+        }
+        if (state->RF_LO > 100000000UL && state->RF_LO <= 150000000UL) {
+                status += MXL_ControlWrite(fe, DN_POLY,              3);
+                status += MXL_ControlWrite(fe, DN_RFGAIN,            3);
+                status += MXL_ControlWrite(fe, DN_CAP_RFLPF,         147);
+                status += MXL_ControlWrite(fe, DN_EN_VHFUHFBAR,      1);
+                status += MXL_ControlWrite(fe, DN_GAIN_ADJUST,       2);
+        }
+        if (state->RF_LO > 150000000UL && state->RF_LO <= 200000000UL) {
+                status += MXL_ControlWrite(fe, DN_POLY,              3);
+                status += MXL_ControlWrite(fe, DN_RFGAIN,            3);
+                status += MXL_ControlWrite(fe, DN_CAP_RFLPF,         9);
+                status += MXL_ControlWrite(fe, DN_EN_VHFUHFBAR,      1);
+                status += MXL_ControlWrite(fe, DN_GAIN_ADJUST,       2);
+        }
+        if (state->RF_LO > 200000000UL && state->RF_LO <= 300000000UL) {
+                status += MXL_ControlWrite(fe, DN_POLY,              3);
+                status += MXL_ControlWrite(fe, DN_RFGAIN,            3);
+                status += MXL_ControlWrite(fe, DN_CAP_RFLPF,         0);
+                status += MXL_ControlWrite(fe, DN_EN_VHFUHFBAR,      1);
+                status += MXL_ControlWrite(fe, DN_GAIN_ADJUST,       3);
+        }
+        if (state->RF_LO > 300000000UL && state->RF_LO <= 650000000UL) {
+                status += MXL_ControlWrite(fe, DN_POLY,              3);
+                status += MXL_ControlWrite(fe, DN_RFGAIN,            1);
+                status += MXL_ControlWrite(fe, DN_CAP_RFLPF,         0);
+                status += MXL_ControlWrite(fe, DN_EN_VHFUHFBAR,      0);
+                status += MXL_ControlWrite(fe, DN_GAIN_ADJUST,       3);
+        }
+        if (state->RF_LO > 650000000UL && state->RF_LO <= 900000000UL) {
+                status += MXL_ControlWrite(fe, DN_POLY,              3);
+                status += MXL_ControlWrite(fe, DN_RFGAIN,            2);
+                status += MXL_ControlWrite(fe, DN_CAP_RFLPF,         0);
+                status += MXL_ControlWrite(fe, DN_EN_VHFUHFBAR,      0);
+                status += MXL_ControlWrite(fe, DN_GAIN_ADJUST,       3);
+        }
+        if (state->RF_LO > 900000000UL)
+                return -1;
+        /*      DN_IQTNBUF_AMP */
+        /*      DN_IQTNGNBFBIAS_BST */
+        if (state->RF_LO >= 40000000UL && state->RF_LO <= 75000000UL) {
+                status += MXL_ControlWrite(fe, DN_IQTNBUF_AMP,       1);
+                status += MXL_ControlWrite(fe, DN_IQTNGNBFBIAS_BST,  0);
+        }
+        if (state->RF_LO > 75000000UL && state->RF_LO <= 100000000UL) {
+                status += MXL_ControlWrite(fe, DN_IQTNBUF_AMP,       1);
+                status += MXL_ControlWrite(fe, DN_IQTNGNBFBIAS_BST,  0);
+        }
+        if (state->RF_LO > 100000000UL && state->RF_LO <= 150000000UL) {
+                status += MXL_ControlWrite(fe, DN_IQTNBUF_AMP,       1);
+                status += MXL_ControlWrite(fe, DN_IQTNGNBFBIAS_BST,  0);
+        }
+        if (state->RF_LO > 150000000UL && state->RF_LO <= 200000000UL) {
+                status += MXL_ControlWrite(fe, DN_IQTNBUF_AMP,       1);
+                status += MXL_ControlWrite(fe, DN_IQTNGNBFBIAS_BST,  0);
+        }
+        if (state->RF_LO > 200000000UL && state->RF_LO <= 300000000UL) {
+                status += MXL_ControlWrite(fe, DN_IQTNBUF_AMP,       1);
+                status += MXL_ControlWrite(fe, DN_IQTNGNBFBIAS_BST,  0);
+        }
+        if (state->RF_LO > 300000000UL && state->RF_LO <= 400000000UL) {
+                status += MXL_ControlWrite(fe, DN_IQTNBUF_AMP,       1);
+                status += MXL_ControlWrite(fe, DN_IQTNGNBFBIAS_BST,  0);
+        }
+        if (state->RF_LO > 400000000UL && state->RF_LO <= 450000000UL) {
+                status += MXL_ControlWrite(fe, DN_IQTNBUF_AMP,       1);
+                status += MXL_ControlWrite(fe, DN_IQTNGNBFBIAS_BST,  0);
+        }
+        if (state->RF_LO > 450000000UL && state->RF_LO <= 500000000UL) {
+                status += MXL_ControlWrite(fe, DN_IQTNBUF_AMP,       1);
+                status += MXL_ControlWrite(fe, DN_IQTNGNBFBIAS_BST,  0);
+        }
+        if (state->RF_LO > 500000000UL && state->RF_LO <= 550000000UL) {
+                status += MXL_ControlWrite(fe, DN_IQTNBUF_AMP,       1);
+                status += MXL_ControlWrite(fe, DN_IQTNGNBFBIAS_BST,  0);
+        }
+        if (state->RF_LO > 550000000UL && state->RF_LO <= 600000000UL) {
+                status += MXL_ControlWrite(fe, DN_IQTNBUF_AMP,       1);
+                status += MXL_ControlWrite(fe, DN_IQTNGNBFBIAS_BST,  0);
+        }
+        if (state->RF_LO > 600000000UL && state->RF_LO <= 650000000UL) {
+                status += MXL_ControlWrite(fe, DN_IQTNBUF_AMP,       1);
+                status += MXL_ControlWrite(fe, DN_IQTNGNBFBIAS_BST,  0);
+        }
+        if (state->RF_LO > 650000000UL && state->RF_LO <= 700000000UL) {
+                status += MXL_ControlWrite(fe, DN_IQTNBUF_AMP,       1);
+                status += MXL_ControlWrite(fe, DN_IQTNGNBFBIAS_BST,  0);
+        }
+        if (state->RF_LO > 700000000UL && state->RF_LO <= 750000000UL) {
+                status += MXL_ControlWrite(fe, DN_IQTNBUF_AMP,       1);
+                status += MXL_ControlWrite(fe, DN_IQTNGNBFBIAS_BST,  0);
+        }
+        if (state->RF_LO > 750000000UL && state->RF_LO <= 800000000UL) {
+                status += MXL_ControlWrite(fe, DN_IQTNBUF_AMP,       1);
+                status += MXL_ControlWrite(fe, DN_IQTNGNBFBIAS_BST,  0);
+        }
+        if (state->RF_LO > 800000000UL && state->RF_LO <= 850000000UL) {
+                status += MXL_ControlWrite(fe, DN_IQTNBUF_AMP,       10);
+                status += MXL_ControlWrite(fe, DN_IQTNGNBFBIAS_BST,  1);
+        }
+        if (state->RF_LO > 850000000UL && state->RF_LO <= 900000000UL) {
+                status += MXL_ControlWrite(fe, DN_IQTNBUF_AMP,       10);
+                status += MXL_ControlWrite(fe, DN_IQTNGNBFBIAS_BST,  1);
+        }
+        /*
+         * Set RF Synth and LO Path Control
+         *
+         * Look-Up table implementation for:
+         *      RFSYN_EN_OUTMUX
+         *      RFSYN_SEL_VCO_OUT
+         *      RFSYN_SEL_VCO_HI
+         *  RFSYN_SEL_DIVM
+         *      RFSYN_RF_DIV_BIAS
+         *      DN_SEL_FREQ
+         *
+         * Set divider_val, Fmax, Fmix to use in Equations
+         */
+        FminBin = 28000000UL ;
+        FmaxBin = 42500000UL ;
+        if (state->RF_LO >= 40000000UL && state->RF_LO <= FmaxBin) {
+                status += MXL_ControlWrite(fe, RFSYN_EN_OUTMUX,     1);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_OUT,   0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI,    0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_DIVM,      0);
+                status += MXL_ControlWrite(fe, RFSYN_RF_DIV_BIAS,   1);
+                status += MXL_ControlWrite(fe, DN_SEL_FREQ,         1);
+                divider_val = 64 ;
+                Fmax = FmaxBin ;
+                Fmin = FminBin ;
+        }
+        FminBin = 42500000UL ;
+        FmaxBin = 56000000UL ;
+        if (state->RF_LO > FminBin && state->RF_LO <= FmaxBin) {
+                status += MXL_ControlWrite(fe, RFSYN_EN_OUTMUX,     1);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_OUT,   0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI,    1);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_DIVM,      0);
+                status += MXL_ControlWrite(fe, RFSYN_RF_DIV_BIAS,   1);
+                status += MXL_ControlWrite(fe, DN_SEL_FREQ,         1);
+                divider_val = 64 ;
+                Fmax = FmaxBin ;
+                Fmin = FminBin ;
+        }
+        FminBin = 56000000UL ;
+        FmaxBin = 85000000UL ;
+        if (state->RF_LO > FminBin && state->RF_LO <= FmaxBin) {
+                status += MXL_ControlWrite(fe, RFSYN_EN_OUTMUX,     0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_OUT,   1);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI,    0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_DIVM,      0);
+                status += MXL_ControlWrite(fe, RFSYN_RF_DIV_BIAS,   1);
+                status += MXL_ControlWrite(fe, DN_SEL_FREQ,         1);
+                divider_val = 32 ;
+                Fmax = FmaxBin ;
+                Fmin = FminBin ;
+        }
+        FminBin = 85000000UL ;
+        FmaxBin = 112000000UL ;
+        if (state->RF_LO > FminBin && state->RF_LO <= FmaxBin) {
+                status += MXL_ControlWrite(fe, RFSYN_EN_OUTMUX,     0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_OUT,   1);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI,    1);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_DIVM,      0);
+                status += MXL_ControlWrite(fe, RFSYN_RF_DIV_BIAS,   1);
+                status += MXL_ControlWrite(fe, DN_SEL_FREQ,         1);
+                divider_val = 32 ;
+                Fmax = FmaxBin ;
+                Fmin = FminBin ;
+        }
+        FminBin = 112000000UL ;
+        FmaxBin = 170000000UL ;
+        if (state->RF_LO > FminBin && state->RF_LO <= FmaxBin) {
+                status += MXL_ControlWrite(fe, RFSYN_EN_OUTMUX,     0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_OUT,   1);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI,    0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_DIVM,      0);
+                status += MXL_ControlWrite(fe, RFSYN_RF_DIV_BIAS,   1);
+                status += MXL_ControlWrite(fe, DN_SEL_FREQ,         2);
+                divider_val = 16 ;
+                Fmax = FmaxBin ;
+                Fmin = FminBin ;
+        }
+        FminBin = 170000000UL ;
+        FmaxBin = 225000000UL ;
+        if (state->RF_LO > FminBin && state->RF_LO <= FmaxBin) {
+                status += MXL_ControlWrite(fe, RFSYN_EN_OUTMUX,     0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_OUT,   1);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI,    1);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_DIVM,      0);
+                status += MXL_ControlWrite(fe, RFSYN_RF_DIV_BIAS,   1);
+                status += MXL_ControlWrite(fe, DN_SEL_FREQ,         2);
+                divider_val = 16 ;
+                Fmax = FmaxBin ;
+                Fmin = FminBin ;
+        }
+        FminBin = 225000000UL ;
+        FmaxBin = 300000000UL ;
+        if (state->RF_LO > FminBin && state->RF_LO <= FmaxBin) {
+                status += MXL_ControlWrite(fe, RFSYN_EN_OUTMUX,     0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_OUT,   1);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI,    0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_DIVM,      0);
+                status += MXL_ControlWrite(fe, RFSYN_RF_DIV_BIAS,   1);
+                status += MXL_ControlWrite(fe, DN_SEL_FREQ,         4);
+                divider_val = 8 ;
+                Fmax = 340000000UL ;
+                Fmin = FminBin ;
+        }
+        FminBin = 300000000UL ;
+        FmaxBin = 340000000UL ;
+        if (state->RF_LO > FminBin && state->RF_LO <= FmaxBin) {
+                status += MXL_ControlWrite(fe, RFSYN_EN_OUTMUX,     1);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_OUT,   0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI,    0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_DIVM,      0);
+                status += MXL_ControlWrite(fe, RFSYN_RF_DIV_BIAS,   1);
+                status += MXL_ControlWrite(fe, DN_SEL_FREQ,         0);
+                divider_val = 8 ;
+                Fmax = FmaxBin ;
+                Fmin = 225000000UL ;
+        }
+        FminBin = 340000000UL ;
+        FmaxBin = 450000000UL ;
+        if (state->RF_LO > FminBin && state->RF_LO <= FmaxBin) {
+                status += MXL_ControlWrite(fe, RFSYN_EN_OUTMUX,     1);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_OUT,   0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI,    1);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_DIVM,      0);
+                status += MXL_ControlWrite(fe, RFSYN_RF_DIV_BIAS,   2);
+                status += MXL_ControlWrite(fe, DN_SEL_FREQ,         0);
+                divider_val = 8 ;
+                Fmax = FmaxBin ;
+                Fmin = FminBin ;
+        }
+        FminBin = 450000000UL ;
+        FmaxBin = 680000000UL ;
+        if (state->RF_LO > FminBin && state->RF_LO <= FmaxBin) {
+                status += MXL_ControlWrite(fe, RFSYN_EN_OUTMUX,     0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_OUT,   1);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI,    0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_DIVM,      1);
+                status += MXL_ControlWrite(fe, RFSYN_RF_DIV_BIAS,   1);
+                status += MXL_ControlWrite(fe, DN_SEL_FREQ,         0);
+                divider_val = 4 ;
+                Fmax = FmaxBin ;
+                Fmin = FminBin ;
+        }
+        FminBin = 680000000UL ;
+        FmaxBin = 900000000UL ;
+        if (state->RF_LO > FminBin && state->RF_LO <= FmaxBin) {
+                status += MXL_ControlWrite(fe, RFSYN_EN_OUTMUX,     0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_OUT,   1);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI,    1);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_DIVM,      1);
+                status += MXL_ControlWrite(fe, RFSYN_RF_DIV_BIAS,   1);
+                status += MXL_ControlWrite(fe, DN_SEL_FREQ,         0);
+                divider_val = 4 ;
+                Fmax = FmaxBin ;
+                Fmin = FminBin ;
+        }
+        /*      CHCAL_INT_MOD_RF
+         *      CHCAL_FRAC_MOD_RF
+         *      RFSYN_LPF_R
+         *      CHCAL_EN_INT_RF
+         */
+        /* Equation E3 RFSYN_VCO_BIAS */
+        E3 = (((Fmax-state->RF_LO)/1000)*32)/((Fmax-Fmin)/1000) + 8 ;
+        status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, E3);
+        /* Equation E4 CHCAL_INT_MOD_RF */
+        E4 = (state->RF_LO*divider_val/1000)/(2*state->Fxtal*Kdbl_RF/1000);
+        MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, E4);
+        /* Equation E5 CHCAL_FRAC_MOD_RF CHCAL_EN_INT_RF */
+        E5 = ((2<<17)*(state->RF_LO/10000*divider_val -
+                (E4*(2*state->Fxtal*Kdbl_RF)/10000))) /
+                (2*state->Fxtal*Kdbl_RF/10000);
+        status += MXL_ControlWrite(fe, CHCAL_FRAC_MOD_RF, E5);
+        /* Equation E5A RFSYN_LPF_R */
+        E5A = (((Fmax - state->RF_LO)/1000)*4/((Fmax-Fmin)/1000)) + 1 ;
+        status += MXL_ControlWrite(fe, RFSYN_LPF_R, E5A);
+        /* Euqation E5B CHCAL_EN_INIT_RF */
+        status += MXL_ControlWrite(fe, CHCAL_EN_INT_RF, ((E5 == 0) ? 1 : 0));
+        /*if (E5 == 0)
+         *      status += MXL_ControlWrite(fe, CHCAL_EN_INT_RF, 1);
+         *else
+         *      status += MXL_ControlWrite(fe, CHCAL_FRAC_MOD_RF, E5);
+         */
+        /*
+         * Set TG Synth
+         *
+         * Look-Up table implementation for:
+         *      TG_LO_DIVVAL
+         *      TG_LO_SELVAL
+         *
+         * Set divider_val, Fmax, Fmix to use in Equations
+         */
+        if (state->TG_LO < 33000000UL)
+                return -1;
+        FminBin = 33000000UL ;
+        FmaxBin = 50000000UL ;
+        if (state->TG_LO >= FminBin && state->TG_LO <= FmaxBin) {
+                status += MXL_ControlWrite(fe, TG_LO_DIVVAL,    0x6);
+                status += MXL_ControlWrite(fe, TG_LO_SELVAL,    0x0);
+                divider_val = 36 ;
+                Fmax = FmaxBin ;
+                Fmin = FminBin ;
+        }
+        FminBin = 50000000UL ;
+        FmaxBin = 67000000UL ;
+        if (state->TG_LO > FminBin && state->TG_LO <= FmaxBin) {
+                status += MXL_ControlWrite(fe, TG_LO_DIVVAL,    0x1);
+                status += MXL_ControlWrite(fe, TG_LO_SELVAL,    0x0);
+                divider_val = 24 ;
+                Fmax = FmaxBin ;
+                Fmin = FminBin ;
+        }
+        FminBin = 67000000UL ;
+        FmaxBin = 100000000UL ;
+        if (state->TG_LO > FminBin && state->TG_LO <= FmaxBin) {
+                status += MXL_ControlWrite(fe, TG_LO_DIVVAL,    0xC);
+                status += MXL_ControlWrite(fe, TG_LO_SELVAL,    0x2);
+                divider_val = 18 ;
+                Fmax = FmaxBin ;
+                Fmin = FminBin ;
+        }
+        FminBin = 100000000UL ;
+        FmaxBin = 150000000UL ;
+        if (state->TG_LO > FminBin && state->TG_LO <= FmaxBin) {
+                status += MXL_ControlWrite(fe, TG_LO_DIVVAL,    0x8);
+                status += MXL_ControlWrite(fe, TG_LO_SELVAL,    0x2);
+                divider_val = 12 ;
+                Fmax = FmaxBin ;
+                Fmin = FminBin ;
+        }
+        FminBin = 150000000UL ;
+        FmaxBin = 200000000UL ;
+        if (state->TG_LO > FminBin && state->TG_LO <= FmaxBin) {
+                status += MXL_ControlWrite(fe, TG_LO_DIVVAL,    0x0);
+                status += MXL_ControlWrite(fe, TG_LO_SELVAL,    0x2);
+                divider_val = 8 ;
+                Fmax = FmaxBin ;
+                Fmin = FminBin ;
+        }
+        FminBin = 200000000UL ;
+        FmaxBin = 300000000UL ;
+        if (state->TG_LO > FminBin && state->TG_LO <= FmaxBin) {
+                status += MXL_ControlWrite(fe, TG_LO_DIVVAL,    0x8);
+                status += MXL_ControlWrite(fe, TG_LO_SELVAL,    0x3);
+                divider_val = 6 ;
+                Fmax = FmaxBin ;
+                Fmin = FminBin ;
+        }
+        FminBin = 300000000UL ;
+        FmaxBin = 400000000UL ;
+        if (state->TG_LO > FminBin && state->TG_LO <= FmaxBin) {
+                status += MXL_ControlWrite(fe, TG_LO_DIVVAL,    0x0);
+                status += MXL_ControlWrite(fe, TG_LO_SELVAL,    0x3);
+                divider_val = 4 ;
+                Fmax = FmaxBin ;
+                Fmin = FminBin ;
+        }
+        FminBin = 400000000UL ;
+        FmaxBin = 600000000UL ;
+        if (state->TG_LO > FminBin && state->TG_LO <= FmaxBin) {
+                status += MXL_ControlWrite(fe, TG_LO_DIVVAL,    0x8);
+                status += MXL_ControlWrite(fe, TG_LO_SELVAL,    0x7);
+                divider_val = 3 ;
+                Fmax = FmaxBin ;
+                Fmin = FminBin ;
+        }
+        FminBin = 600000000UL ;
+        FmaxBin = 900000000UL ;
+        if (state->TG_LO > FminBin && state->TG_LO <= FmaxBin) {
+                status += MXL_ControlWrite(fe, TG_LO_DIVVAL,    0x0);
+                status += MXL_ControlWrite(fe, TG_LO_SELVAL,    0x7);
+                divider_val = 2 ;
+                Fmax = FmaxBin ;
+                Fmin = FminBin ;
+        }
+        /* TG_DIV_VAL */
+        tg_divval = (state->TG_LO*divider_val/100000) *
+                (MXL_Ceiling(state->Fxtal, 1000000) * 100) /
+                (state->Fxtal/1000);
+        status += MXL_ControlWrite(fe, TG_DIV_VAL, tg_divval);
+        if (state->TG_LO > 600000000UL)
+                status += MXL_ControlWrite(fe, TG_DIV_VAL, tg_divval + 1);
+        Fmax = 1800000000UL ;
+        Fmin = 1200000000UL ;
+        /* prevent overflow of 32 bit unsigned integer, use
+         * following equation. Edit for v2.6.4
+         */
+        /* Fref_TF = Fref_TG * 1000 */
+        Fref_TG = (state->Fxtal/1000) / MXL_Ceiling(state->Fxtal, 1000000);
+        /* Fvco = Fvco/10 */
+        Fvco = (state->TG_LO/10000) * divider_val * Fref_TG;
+        tg_lo = (((Fmax/10 - Fvco)/100)*32) / ((Fmax-Fmin)/1000)+8;
+        /* below equation is same as above but much harder to debug.
+         * tg_lo = ( ((Fmax/10000 * Xtal_Int)/100) -
+         * ((state->TG_LO/10000)*divider_val *
+         * (state->Fxtal/10000)/100) )*32/((Fmax-Fmin)/10000 *
+         * Xtal_Int/100) + 8;
+         */
+        status += MXL_ControlWrite(fe, TG_VCO_BIAS , tg_lo);
+        /* add for 2.6.5 Special setting for QAM */
+        if (state->Mod_Type == MXL_QAM) {
+                if (state->RF_IN < 680000000)
+                        status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN, 3);
+                else
+                        status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN, 2);
+        }
+        /* Off Chip Tracking Filter Control */
+        if (state->TF_Type == MXL_TF_OFF) {
+                /* Tracking Filter Off State; turn off all the banks */
+                status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
+                status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                status += MXL_SetGPIO(fe, 3, 1); /* Bank1 Off */
+                status += MXL_SetGPIO(fe, 1, 1); /* Bank2 Off */
+                status += MXL_SetGPIO(fe, 4, 1); /* Bank3 Off */
+        }
+        if (state->TF_Type == MXL_TF_C) /* Tracking Filter type C */ {
+                status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
+                status += MXL_ControlWrite(fe, DAC_DIN_A, 0);
+                if (state->RF_IN >= 43000000 && state->RF_IN < 150000000) {
+                        status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
+                        status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
+                        status += MXL_SetGPIO(fe, 3, 0);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                }
+                if (state->RF_IN >= 150000000 && state->RF_IN < 280000000) {
+                        status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
+                        status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                }
+                if (state->RF_IN >= 280000000 && state->RF_IN < 360000000) {
+                        status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
+                        status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                        status += MXL_SetGPIO(fe, 4, 0);
+                }
+                if (state->RF_IN >= 360000000 && state->RF_IN < 560000000) {
+                        status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
+                        status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 4, 0);
+                }
+                if (state->RF_IN >= 560000000 && state->RF_IN < 580000000) {
+                        status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
+                        status += MXL_ControlWrite(fe, DAC_DIN_B, 29);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 4, 0);
+                }
+                if (state->RF_IN >= 580000000 && state->RF_IN < 630000000) {
+                        status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
+                        status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 4, 0);
+                }
+                if (state->RF_IN >= 630000000 && state->RF_IN < 700000000) {
+                        status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
+                        status += MXL_ControlWrite(fe, DAC_DIN_B, 16);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                }
+                if (state->RF_IN >= 700000000 && state->RF_IN < 760000000) {
+                        status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
+                        status += MXL_ControlWrite(fe, DAC_DIN_B, 7);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                }
+                if (state->RF_IN >= 760000000 && state->RF_IN <= 900000000) {
+                        status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
+                        status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                }
+        }
+        if (state->TF_Type == MXL_TF_C_H) {
+                /* Tracking Filter type C-H for Hauppauge only */
+                status += MXL_ControlWrite(fe, DAC_DIN_A, 0);
+                if (state->RF_IN >= 43000000 && state->RF_IN < 150000000) {
+                        status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 0);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                }
+                if (state->RF_IN >= 150000000 && state->RF_IN < 280000000) {
+                        status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 3, 0);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                }
+                if (state->RF_IN >= 280000000 && state->RF_IN < 360000000) {
+                        status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 3, 0);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                }
+                if (state->RF_IN >= 360000000 && state->RF_IN < 560000000) {
+                        status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                }
+                if (state->RF_IN >= 560000000 && state->RF_IN < 580000000) {
+                        status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                }
+                if (state->RF_IN >= 580000000 && state->RF_IN < 630000000) {
+                        status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                }
+                if (state->RF_IN >= 630000000 && state->RF_IN < 700000000) {
+                        status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                }
+                if (state->RF_IN >= 700000000 && state->RF_IN < 760000000) {
+                        status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                }
+                if (state->RF_IN >= 760000000 && state->RF_IN <= 900000000) {
+                        status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                }
+        }
+        if (state->TF_Type == MXL_TF_D) { /* Tracking Filter type D */
+                status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
+                if (state->RF_IN >= 43000000 && state->RF_IN < 174000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 0);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+                if (state->RF_IN >= 174000000 && state->RF_IN < 250000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 0);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+                if (state->RF_IN >= 250000000 && state->RF_IN < 310000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+                if (state->RF_IN >= 310000000 && state->RF_IN < 360000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                        status += MXL_SetGPIO(fe, 3, 0);
+                }
+                if (state->RF_IN >= 360000000 && state->RF_IN < 470000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 0);
+                }
+                if (state->RF_IN >= 470000000 && state->RF_IN < 640000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 0);
+                }
+                if (state->RF_IN >= 640000000 && state->RF_IN <= 900000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+        }
+        if (state->TF_Type == MXL_TF_D_L) {
+                /* Tracking Filter type D-L for Lumanate ONLY change 2.6.3 */
+                status += MXL_ControlWrite(fe, DAC_DIN_A, 0);
+                /* if UHF and terrestrial => Turn off Tracking Filter */
+                if (state->RF_IN >= 471000000 &&
+                        (state->RF_IN - 471000000)%6000000 != 0) {
+                        /* Turn off all the banks */
+                        status += MXL_SetGPIO(fe, 3, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
+                        status += MXL_ControlWrite(fe, AGC_IF, 10);
+                } else {
+                        /* if VHF or cable => Turn on Tracking Filter */
+                        if (state->RF_IN >= 43000000 &&
+                                state->RF_IN < 140000000) {
+                                status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
+                                status += MXL_SetGPIO(fe, 4, 1);
+                                status += MXL_SetGPIO(fe, 1, 1);
+                                status += MXL_SetGPIO(fe, 3, 0);
+                        }
+                        if (state->RF_IN >= 140000000 &&
+                                state->RF_IN < 240000000) {
+                                status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
+                                status += MXL_SetGPIO(fe, 4, 1);
+                                status += MXL_SetGPIO(fe, 1, 0);
+                                status += MXL_SetGPIO(fe, 3, 0);
+                        }
+                        if (state->RF_IN >= 240000000 &&
+                                state->RF_IN < 340000000) {
+                                status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
+                                status += MXL_SetGPIO(fe, 4, 0);
+                                status += MXL_SetGPIO(fe, 1, 1);
+                                status += MXL_SetGPIO(fe, 3, 0);
+                        }
+                        if (state->RF_IN >= 340000000 &&
+                                state->RF_IN < 430000000) {
+                                status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
+                                status += MXL_SetGPIO(fe, 4, 0);
+                                status += MXL_SetGPIO(fe, 1, 0);
+                                status += MXL_SetGPIO(fe, 3, 1);
+                        }
+                        if (state->RF_IN >= 430000000 &&
+                                state->RF_IN < 470000000) {
+                                status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
+                                status += MXL_SetGPIO(fe, 4, 1);
+                                status += MXL_SetGPIO(fe, 1, 0);
+                                status += MXL_SetGPIO(fe, 3, 1);
+                        }
+                        if (state->RF_IN >= 470000000 &&
+                                state->RF_IN < 570000000) {
+                                status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
+                                status += MXL_SetGPIO(fe, 4, 0);
+                                status += MXL_SetGPIO(fe, 1, 0);
+                                status += MXL_SetGPIO(fe, 3, 1);
+                        }
+                        if (state->RF_IN >= 570000000 &&
+                                state->RF_IN < 620000000) {
+                                status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
+                                status += MXL_SetGPIO(fe, 4, 0);
+                                status += MXL_SetGPIO(fe, 1, 1);
+                                status += MXL_SetGPIO(fe, 3, 1);
+                        }
+                        if (state->RF_IN >= 620000000 &&
+                                state->RF_IN < 760000000) {
+                                status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
+                                status += MXL_SetGPIO(fe, 4, 0);
+                                status += MXL_SetGPIO(fe, 1, 1);
+                                status += MXL_SetGPIO(fe, 3, 1);
+                        }
+                        if (state->RF_IN >= 760000000 &&
+                                state->RF_IN <= 900000000) {
+                                status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
+                                status += MXL_SetGPIO(fe, 4, 1);
+                                status += MXL_SetGPIO(fe, 1, 1);
+                                status += MXL_SetGPIO(fe, 3, 1);
+                        }
+                }
+        }
+        if (state->TF_Type == MXL_TF_E) /* Tracking Filter type E */ {
+                status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
+                if (state->RF_IN >= 43000000 && state->RF_IN < 174000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 0);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+                if (state->RF_IN >= 174000000 && state->RF_IN < 250000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 0);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+                if (state->RF_IN >= 250000000 && state->RF_IN < 310000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+                if (state->RF_IN >= 310000000 && state->RF_IN < 360000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                        status += MXL_SetGPIO(fe, 3, 0);
+                }
+                if (state->RF_IN >= 360000000 && state->RF_IN < 470000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 0);
+                }
+                if (state->RF_IN >= 470000000 && state->RF_IN < 640000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 0);
+                }
+                if (state->RF_IN >= 640000000 && state->RF_IN <= 900000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+        }
+        if (state->TF_Type == MXL_TF_F) {
+                /* Tracking Filter type F */
+                status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
+                if (state->RF_IN >= 43000000 && state->RF_IN < 160000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 0);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+                if (state->RF_IN >= 160000000 && state->RF_IN < 210000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 0);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+                if (state->RF_IN >= 210000000 && state->RF_IN < 300000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+                if (state->RF_IN >= 300000000 && state->RF_IN < 390000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                        status += MXL_SetGPIO(fe, 3, 0);
+                }
+                if (state->RF_IN >= 390000000 && state->RF_IN < 515000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 0);
+                }
+                if (state->RF_IN >= 515000000 && state->RF_IN < 650000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 0);
+                }
+                if (state->RF_IN >= 650000000 && state->RF_IN <= 900000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+        }
+        if (state->TF_Type == MXL_TF_E_2) {
+                /* Tracking Filter type E_2 */
+                status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
+                if (state->RF_IN >= 43000000 && state->RF_IN < 174000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 0);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+                if (state->RF_IN >= 174000000 && state->RF_IN < 250000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 0);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+                if (state->RF_IN >= 250000000 && state->RF_IN < 350000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+                if (state->RF_IN >= 350000000 && state->RF_IN < 400000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                        status += MXL_SetGPIO(fe, 3, 0);
+                }
+                if (state->RF_IN >= 400000000 && state->RF_IN < 570000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 0);
+                }
+                if (state->RF_IN >= 570000000 && state->RF_IN < 770000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 0);
+                }
+                if (state->RF_IN >= 770000000 && state->RF_IN <= 900000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+        }
+        if (state->TF_Type == MXL_TF_G) {
+                /* Tracking Filter type G add for v2.6.8 */
+                status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
+                if (state->RF_IN >= 50000000 && state->RF_IN < 190000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 0);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+                if (state->RF_IN >= 190000000 && state->RF_IN < 280000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 0);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+                if (state->RF_IN >= 280000000 && state->RF_IN < 350000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+                if (state->RF_IN >= 350000000 && state->RF_IN < 400000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                        status += MXL_SetGPIO(fe, 3, 0);
+                }
+                if (state->RF_IN >= 400000000 && state->RF_IN < 470000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+                if (state->RF_IN >= 470000000 && state->RF_IN < 640000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 0);
+                }
+                if (state->RF_IN >= 640000000 && state->RF_IN < 820000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 0);
+                }
+                if (state->RF_IN >= 820000000 && state->RF_IN <= 900000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+        }
+        if (state->TF_Type == MXL_TF_E_NA) {
+                /* Tracking Filter type E-NA for Empia ONLY change for 2.6.8 */
+                status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
+                /* if UHF and terrestrial=> Turn off Tracking Filter */
+                if (state->RF_IN >= 471000000 &&
+                        (state->RF_IN - 471000000)%6000000 != 0) {
+                        /* Turn off all the banks */
+                        status += MXL_SetGPIO(fe, 3, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        /* 2.6.12 Turn on RSSI */
+                        status += MXL_ControlWrite(fe, SEQ_EXTSYNTHCALIF, 1);
+                        status += MXL_ControlWrite(fe, SEQ_EXTDCCAL, 1);
+                        status += MXL_ControlWrite(fe, AGC_EN_RSSI, 1);
+                        status += MXL_ControlWrite(fe, RFA_ENCLKRFAGC, 1);
+                        /* RSSI reference point */
+                        status += MXL_ControlWrite(fe, RFA_RSSI_REFH, 5);
+                        status += MXL_ControlWrite(fe, RFA_RSSI_REF, 3);
+                        status += MXL_ControlWrite(fe, RFA_RSSI_REFL, 2);
+                        /* following parameter is from analog OTA mode,
+                         * can be change to seek better performance */
+                        status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN, 3);
+                } else {
+                /* if VHF or Cable =>  Turn on Tracking Filter */
+                /* 2.6.12 Turn off RSSI */
+                status += MXL_ControlWrite(fe, AGC_EN_RSSI, 0);
+                /* change back from above condition */
+                status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN, 5);
+                if (state->RF_IN >= 43000000 && state->RF_IN < 174000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 0);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+                if (state->RF_IN >= 174000000 && state->RF_IN < 250000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 0);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+                if (state->RF_IN >= 250000000 && state->RF_IN < 350000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+                if (state->RF_IN >= 350000000 && state->RF_IN < 400000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 0);
+                        status += MXL_SetGPIO(fe, 3, 0);
+                }
+                if (state->RF_IN >= 400000000 && state->RF_IN < 570000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 0);
+                }
+                if (state->RF_IN >= 570000000 && state->RF_IN < 770000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 0);
+                }
+                if (state->RF_IN >= 770000000 && state->RF_IN <= 900000000) {
+                        status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
+                        status += MXL_SetGPIO(fe, 4, 1);
+                        status += MXL_SetGPIO(fe, 1, 1);
+                        status += MXL_SetGPIO(fe, 3, 1);
+                }
+                }
+        }
+        return status ;
+}
+static u16 MXL_SetGPIO(struct dvb_frontend *fe, u8 GPIO_Num, u8 GPIO_Val)
+{
+        u16 status = 0;
+        if (GPIO_Num == 1)
+                status += MXL_ControlWrite(fe, GPIO_1B, GPIO_Val ? 0 : 1);
+        /* GPIO2 is not available */
+        if (GPIO_Num == 3) {
+                if (GPIO_Val == 1) {
+                        status += MXL_ControlWrite(fe, GPIO_3, 0);
+                        status += MXL_ControlWrite(fe, GPIO_3B, 0);
+                }
+                if (GPIO_Val == 0) {
+                        status += MXL_ControlWrite(fe, GPIO_3, 1);
+                        status += MXL_ControlWrite(fe, GPIO_3B, 1);
+                }
+                if (GPIO_Val == 3) { /* tri-state */
+                        status += MXL_ControlWrite(fe, GPIO_3, 0);
+                        status += MXL_ControlWrite(fe, GPIO_3B, 1);
+                }
+        }
+        if (GPIO_Num == 4) {
+                if (GPIO_Val == 1) {
+                        status += MXL_ControlWrite(fe, GPIO_4, 0);
+                        status += MXL_ControlWrite(fe, GPIO_4B, 0);
+                }
+                if (GPIO_Val == 0) {
+                        status += MXL_ControlWrite(fe, GPIO_4, 1);
+                        status += MXL_ControlWrite(fe, GPIO_4B, 1);
+                }
+                if (GPIO_Val == 3) { /* tri-state */
+                        status += MXL_ControlWrite(fe, GPIO_4, 0);
+                        status += MXL_ControlWrite(fe, GPIO_4B, 1);
+                }
+        }
+        return status;
+}
+static u16 MXL_ControlWrite(struct dvb_frontend *fe, u16 ControlNum, u32 value)
+{
+        u16 status = 0;
+        /* Will write ALL Matching Control Name */
+        /* Write Matching INIT Control */
+        status += MXL_ControlWrite_Group(fe, ControlNum, value, 1);
+        /* Write Matching CH Control */
+        status += MXL_ControlWrite_Group(fe, ControlNum, value, 2);
+#ifdef _MXL_INTERNAL
+        /* Write Matching MXL Control */
+        status += MXL_ControlWrite_Group(fe, ControlNum, value, 3);
+#endif
+        return status;
+}
+static u16 MXL_ControlWrite_Group(struct dvb_frontend *fe, u16 controlNum,
+        u32 value, u16 controlGroup)
+{
+        struct mxl5005s_state *state = fe->tuner_priv;
+        u16 i, j, k;
+        u32 highLimit;
+        u32 ctrlVal;
+        if (controlGroup == 1) /* Initial Control */ {
+                for (i = 0; i < state->Init_Ctrl_Num; i++) {
+                        if (controlNum == state->Init_Ctrl[i].Ctrl_Num) {
+                                highLimit = 1 << state->Init_Ctrl[i].size;
+                                if (value < highLimit) {
+                                        for (j = 0; j < state->Init_Ctrl[i].size; j++) {
+                                                state->Init_Ctrl[i].val[j] = (u8)((value >> j) & 0x01);
+                                                MXL_RegWriteBit(fe, (u8)(state->Init_Ctrl[i].addr[j]),
+                                                        (u8)(state->Init_Ctrl[i].bit[j]),
+                                                        (u8)((value>>j) & 0x01));
+                                        }
+                                        ctrlVal = 0;
+                                        for (k = 0; k < state->Init_Ctrl[i].size; k++)
+                                                ctrlVal += state->Init_Ctrl[i].val[k] * (1 << k);
+                                } else
+                                        return -1;
+                        }
+                }
+        }
+        if (controlGroup == 2) /* Chan change Control */ {
+                for (i = 0; i < state->CH_Ctrl_Num; i++) {
+                        if (controlNum == state->CH_Ctrl[i].Ctrl_Num) {
+                                highLimit = 1 << state->CH_Ctrl[i].size;
+                                if (value < highLimit) {
+                                        for (j = 0; j < state->CH_Ctrl[i].size; j++) {
+                                                state->CH_Ctrl[i].val[j] = (u8)((value >> j) & 0x01);
+                                                MXL_RegWriteBit(fe, (u8)(state->CH_Ctrl[i].addr[j]),
+                                                        (u8)(state->CH_Ctrl[i].bit[j]),
+                                                        (u8)((value>>j) & 0x01));
+                                        }
+                                        ctrlVal = 0;
+                                        for (k = 0; k < state->CH_Ctrl[i].size; k++)
+                                                ctrlVal += state->CH_Ctrl[i].val[k] * (1 << k);
+                                } else
+                                        return -1;
+                        }
+                }
+        }
+#ifdef _MXL_INTERNAL
+        if (controlGroup == 3) /* Maxlinear Control */ {
+                for (i = 0; i < state->MXL_Ctrl_Num; i++) {
+                        if (controlNum == state->MXL_Ctrl[i].Ctrl_Num) {
+                                highLimit = (1 << state->MXL_Ctrl[i].size);
+                                if (value < highLimit) {
+                                        for (j = 0; j < state->MXL_Ctrl[i].size; j++) {
+                                                state->MXL_Ctrl[i].val[j] = (u8)((value >> j) & 0x01);
+                                                MXL_RegWriteBit(fe, (u8)(state->MXL_Ctrl[i].addr[j]),
+                                                        (u8)(state->MXL_Ctrl[i].bit[j]),
+                                                        (u8)((value>>j) & 0x01));
+                                        }
+                                        ctrlVal = 0;
+                                        for (k = 0; k < state->MXL_Ctrl[i].size; k++)
+                                                ctrlVal += state->MXL_Ctrl[i].val[k] * (1 << k);
+                                } else
+                                        return -1;
+                        }
+                }
+        }
+#endif
+        return 0 ; /* successful return */
+}
+static u16 MXL_RegRead(struct dvb_frontend *fe, u8 RegNum, u8 *RegVal)
+{
+        struct mxl5005s_state *state = fe->tuner_priv;
+        int i ;
+        for (i = 0; i < 104; i++) {
+                if (RegNum == state->TunerRegs[i].Reg_Num) {
+                        *RegVal = (u8)(state->TunerRegs[i].Reg_Val);
+                        return 0;
+                }
+        }
+        return 1;
+}
+static u16 MXL_ControlRead(struct dvb_frontend *fe, u16 controlNum, u32 *value)
+{
+        struct mxl5005s_state *state = fe->tuner_priv;
+        u32 ctrlVal ;
+        u16 i, k ;
+        for (i = 0; i < state->Init_Ctrl_Num ; i++) {
+                if (controlNum == state->Init_Ctrl[i].Ctrl_Num) {
+                        ctrlVal = 0;
+                        for (k = 0; k < state->Init_Ctrl[i].size; k++)
+                                ctrlVal += state->Init_Ctrl[i].val[k] * (1<<k);
+                        *value = ctrlVal;
+                        return 0;
+                }
+        }
+        for (i = 0; i < state->CH_Ctrl_Num ; i++) {
+                if (controlNum == state->CH_Ctrl[i].Ctrl_Num) {
+                        ctrlVal = 0;
+                        for (k = 0; k < state->CH_Ctrl[i].size; k++)
+                                ctrlVal += state->CH_Ctrl[i].val[k] * (1 << k);
+                        *value = ctrlVal;
+                        return 0;
+                }
+        }
+#ifdef _MXL_INTERNAL
+        for (i = 0; i < state->MXL_Ctrl_Num ; i++) {
+                if (controlNum == state->MXL_Ctrl[i].Ctrl_Num) {
+                        ctrlVal = 0;
+                        for (k = 0; k < state->MXL_Ctrl[i].size; k++)
+                                ctrlVal += state->MXL_Ctrl[i].val[k] * (1<<k);
+                        *value = ctrlVal;
+                        return 0;
+                }
+        }
+#endif
+        return 1;
+}
+static void MXL_RegWriteBit(struct dvb_frontend *fe, u8 address, u8 bit,
+        u8 bitVal)
+{
+        struct mxl5005s_state *state = fe->tuner_priv;
+        int i ;
+        const u8 AND_MAP[8] = {
+                0xFE, 0xFD, 0xFB, 0xF7,
+                0xEF, 0xDF, 0xBF, 0x7F } ;
+        const u8 OR_MAP[8] = {
+                0x01, 0x02, 0x04, 0x08,
+                0x10, 0x20, 0x40, 0x80 } ;
+        for (i = 0; i < state->TunerRegs_Num; i++) {
+                if (state->TunerRegs[i].Reg_Num == address) {
+                        if (bitVal)
+                                state->TunerRegs[i].Reg_Val |= OR_MAP[bit];
+                        else
+                                state->TunerRegs[i].Reg_Val &= AND_MAP[bit];
+                        break ;
+                }
+        }
+}
+static u32 MXL_Ceiling(u32 value, u32 resolution)
+{
+        return (value/resolution + (value % resolution > 0 ? 1 : 0));
+}
+/* Retrieve the Initialzation Registers */
+static u16 MXL_GetInitRegister(struct dvb_frontend *fe, u8 *RegNum,
+        u8 *RegVal, int *count)
+{
+        u16 status = 0;
+        int i ;
+        u8 RegAddr[] = {
+                11, 12, 13, 22, 32, 43, 44, 53, 56, 59, 73,
+                76, 77, 91, 134, 135, 137, 147,
+                156, 166, 167, 168, 25 };
+        *count = sizeof(RegAddr) / sizeof(u8);
+        status += MXL_BlockInit(fe);
+        for (i = 0 ; i < *count; i++) {
+                RegNum[i] = RegAddr[i];
+                status += MXL_RegRead(fe, RegNum[i], &RegVal[i]);
+        }
+        return status;
+}
+static u16 MXL_GetCHRegister(struct dvb_frontend *fe, u8 *RegNum, u8 *RegVal,
+        int *count)
+{
+        u16 status = 0;
+        int i ;
+/* add 77, 166, 167, 168 register for 2.6.12 */
+#ifdef _MXL_PRODUCTION
+        u8 RegAddr[] = {14, 15, 16, 17, 22, 43, 65, 68, 69, 70, 73, 92, 93, 106,
+           107, 108, 109, 110, 111, 112, 136, 138, 149, 77, 166, 167, 168 } ;
+#else
+        u8 RegAddr[] = {14, 15, 16, 17, 22, 43, 68, 69, 70, 73, 92, 93, 106,
+           107, 108, 109, 110, 111, 112, 136, 138, 149, 77, 166, 167, 168 } ;
+        /*
+        u8 RegAddr[171];
+        for (i = 0; i <= 170; i++)
+                RegAddr[i] = i;
+        */
+#endif
+        *count = sizeof(RegAddr) / sizeof(u8);
+        for (i = 0 ; i < *count; i++) {
+                RegNum[i] = RegAddr[i];
+                status += MXL_RegRead(fe, RegNum[i], &RegVal[i]);
+        }
+        return status;
+}
+static u16 MXL_GetCHRegister_ZeroIF(struct dvb_frontend *fe, u8 *RegNum,
+        u8 *RegVal, int *count)
+{
+        u16 status = 0;
+        int i;
+        u8 RegAddr[] = {43, 136};
+        *count = sizeof(RegAddr) / sizeof(u8);
+        for (i = 0; i < *count; i++) {
+                RegNum[i] = RegAddr[i];
+                status += MXL_RegRead(fe, RegNum[i], &RegVal[i]);
+        }
+        return status;
+}
+static u16 MXL_GetMasterControl(u8 *MasterReg, int state)
+{
+        if (state == 1) /* Load_Start */
+                *MasterReg = 0xF3;
+        if (state == 2) /* Power_Down */
+                *MasterReg = 0x41;
+        if (state == 3) /* Synth_Reset */
+                *MasterReg = 0xB1;
+        if (state == 4) /* Seq_Off */
+                *MasterReg = 0xF1;
+        return 0;
+}
+#ifdef _MXL_PRODUCTION
+static u16 MXL_VCORange_Test(struct dvb_frontend *fe, int VCO_Range)
+{
+        struct mxl5005s_state *state = fe->tuner_priv;
+        u16 status = 0 ;
+        if (VCO_Range == 1) {
+                status += MXL_ControlWrite(fe, RFSYN_EN_DIV, 1);
+                status += MXL_ControlWrite(fe, RFSYN_EN_OUTMUX, 0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_DIVM, 0);
+                status += MXL_ControlWrite(fe, RFSYN_DIVM, 1);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_OUT, 1);
+                status += MXL_ControlWrite(fe, RFSYN_RF_DIV_BIAS, 1);
+                status += MXL_ControlWrite(fe, DN_SEL_FREQ, 0);
+                if (state->Mode == 0 && state->IF_Mode == 1) {
+                        /* Analog Low IF Mode */
+                        status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 1);
+                        status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 8);
+                        status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 56);
+                        status += MXL_ControlWrite(fe,
+                                CHCAL_FRAC_MOD_RF, 180224);
+                }
+                if (state->Mode == 0 && state->IF_Mode == 0) {
+                        /* Analog Zero IF Mode */
+                        status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 1);
+                        status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 8);
+                        status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 56);
+                        status += MXL_ControlWrite(fe,
+                                CHCAL_FRAC_MOD_RF, 222822);
+                }
+                if (state->Mode == 1) /* Digital Mode */ {
+                        status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 1);
+                        status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 8);
+                        status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 56);
+                        status += MXL_ControlWrite(fe,
+                                CHCAL_FRAC_MOD_RF, 229376);
+                }
+        }
+        if (VCO_Range == 2) {
+                status += MXL_ControlWrite(fe, RFSYN_EN_DIV, 1);
+                status += MXL_ControlWrite(fe, RFSYN_EN_OUTMUX, 0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_DIVM, 0);
+                status += MXL_ControlWrite(fe, RFSYN_DIVM, 1);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_OUT, 1);
+                status += MXL_ControlWrite(fe, RFSYN_RF_DIV_BIAS, 1);
+                status += MXL_ControlWrite(fe, DN_SEL_FREQ, 0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 1);
+                status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 40);
+                status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 41);
+                if (state->Mode == 0 && state->IF_Mode == 1) {
+                        /* Analog Low IF Mode */
+                        status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 1);
+                        status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 40);
+                        status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 42);
+                        status += MXL_ControlWrite(fe,
+                                CHCAL_FRAC_MOD_RF, 206438);
+                }
+                if (state->Mode == 0 && state->IF_Mode == 0) {
+                        /* Analog Zero IF Mode */
+                        status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 1);
+                        status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 40);
+                        status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 42);
+                        status += MXL_ControlWrite(fe,
+                                CHCAL_FRAC_MOD_RF, 206438);
+                }
+                if (state->Mode == 1) /* Digital Mode */ {
+                        status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 1);
+                        status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 40);
+                        status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 41);
+                        status += MXL_ControlWrite(fe,
+                                CHCAL_FRAC_MOD_RF, 16384);
+                }
+        }
+        if (VCO_Range == 3) {
+                status += MXL_ControlWrite(fe, RFSYN_EN_DIV, 1);
+                status += MXL_ControlWrite(fe, RFSYN_EN_OUTMUX, 0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_DIVM, 0);
+                status += MXL_ControlWrite(fe, RFSYN_DIVM, 1);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_OUT, 1);
+                status += MXL_ControlWrite(fe, RFSYN_RF_DIV_BIAS, 1);
+                status += MXL_ControlWrite(fe, DN_SEL_FREQ, 0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 0);
+                status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 8);
+                status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 42);
+                if (state->Mode == 0 && state->IF_Mode == 1) {
+                        /* Analog Low IF Mode */
+                        status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 0);
+                        status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 8);
+                        status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 44);
+                        status += MXL_ControlWrite(fe,
+                                CHCAL_FRAC_MOD_RF, 173670);
+                }
+                if (state->Mode == 0 && state->IF_Mode == 0) {
+                        /* Analog Zero IF Mode */
+                        status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 0);
+                        status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 8);
+                        status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 44);
+                        status += MXL_ControlWrite(fe,
+                                CHCAL_FRAC_MOD_RF, 173670);
+                }
+                if (state->Mode == 1) /* Digital Mode */ {
+                        status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 0);
+                        status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 8);
+                        status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 42);
+                        status += MXL_ControlWrite(fe,
+                                CHCAL_FRAC_MOD_RF, 245760);
+                }
+        }
+        if (VCO_Range == 4) {
+                status += MXL_ControlWrite(fe, RFSYN_EN_DIV, 1);
+                status += MXL_ControlWrite(fe, RFSYN_EN_OUTMUX, 0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_DIVM, 0);
+                status += MXL_ControlWrite(fe, RFSYN_DIVM, 1);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_OUT, 1);
+                status += MXL_ControlWrite(fe, RFSYN_RF_DIV_BIAS, 1);
+                status += MXL_ControlWrite(fe, DN_SEL_FREQ, 0);
+                status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 0);
+                status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 40);
+                status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 27);
+                if (state->Mode == 0 && state->IF_Mode == 1) {
+                        /* Analog Low IF Mode */
+                        status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 0);
+                        status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 40);
+                        status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 27);
+                        status += MXL_ControlWrite(fe,
+                                CHCAL_FRAC_MOD_RF, 206438);
+                }
+                if (state->Mode == 0 && state->IF_Mode == 0) {
+                        /* Analog Zero IF Mode */
+                        status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 0);
+                        status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 40);
+                        status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 27);
+                        status += MXL_ControlWrite(fe,
+                                CHCAL_FRAC_MOD_RF, 206438);
+                }
+                if (state->Mode == 1) /* Digital Mode */ {
+                        status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 0);
+                        status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 40);
+                        status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 27);
+                        status += MXL_ControlWrite(fe,
+                                CHCAL_FRAC_MOD_RF, 212992);
+                }
+        }
+        return status;
+}
+static u16 MXL_Hystersis_Test(struct dvb_frontend *fe, int Hystersis)
+{
+        struct mxl5005s_state *state = fe->tuner_priv;
+        u16 status = 0;
+        if (Hystersis == 1)
+                status += MXL_ControlWrite(fe, DN_BYPASS_AGC_I2C, 1);
+        return status;
+}
+#endif
+/* End: Reference driver code found in the Realtek driver that
+ * is copyright MaxLinear */
+/* ----------------------------------------------------------------
+ * Begin: Everything after here is new code to adapt the
+ * proprietary Realtek driver into a Linux API tuner.
+ * Copyright (C) 2008 Steven Toth <stoth@hauppauge.com>
+ */
+static int mxl5005s_reset(struct dvb_frontend *fe)
+{
+        struct mxl5005s_state *state = fe->tuner_priv;
+        int ret = 0;
+        u8 buf[2] = { 0xff, 0x00 };
+        struct i2c_msg msg = { .addr = state->config->i2c_address, .flags = 0,
+                               .buf = buf, .len = 2 };
+        dprintk(2, "%s()\n", __func__);
+        if (fe->ops.i2c_gate_ctrl)
+                fe->ops.i2c_gate_ctrl(fe, 1);
+        if (i2c_transfer(state->i2c, &msg, 1) != 1) {
+                printk(KERN_WARNING "mxl5005s I2C reset failed\n");
+                ret = -EREMOTEIO;
+        }
+        if (fe->ops.i2c_gate_ctrl)
+                fe->ops.i2c_gate_ctrl(fe, 0);
+        return ret;
+}
+/* Write a single byte to a single reg, latch the value if required by
+ * following the transaction with the latch byte.
+ */
+static int mxl5005s_writereg(struct dvb_frontend *fe, u8 reg, u8 val, int latch)
+{
+        struct mxl5005s_state *state = fe->tuner_priv;
+        u8 buf[3] = { reg, val, MXL5005S_LATCH_BYTE };
+        struct i2c_msg msg = { .addr = state->config->i2c_address, .flags = 0,
+                               .buf = buf, .len = 3 };
+        if (latch == 0)
+                msg.len = 2;
+        dprintk(2, "%s(0x%x, 0x%x, 0x%x)\n", __func__, reg, val, msg.addr);
+        if (i2c_transfer(state->i2c, &msg, 1) != 1) {
+                printk(KERN_WARNING "mxl5005s I2C write failed\n");
+                return -EREMOTEIO;
+        }
+        return 0;
+}
+static int mxl5005s_writeregs(struct dvb_frontend *fe, u8 *addrtable,
+        u8 *datatable, u8 len)
+{
+        int ret = 0, i;
+        if (fe->ops.i2c_gate_ctrl)
+                fe->ops.i2c_gate_ctrl(fe, 1);
+        for (i = 0 ; i < len-1; i++) {
+                ret = mxl5005s_writereg(fe, addrtable[i], datatable[i], 0);
+                if (ret < 0)
+                        break;
+        }
+        ret = mxl5005s_writereg(fe, addrtable[i], datatable[i], 1);
+        if (fe->ops.i2c_gate_ctrl)
+                fe->ops.i2c_gate_ctrl(fe, 0);
+        return ret;
+}
+static int mxl5005s_init(struct dvb_frontend *fe)
+{
+        dprintk(1, "%s()\n", __func__);
+        return mxl5005s_reconfigure(fe, MXL_QAM, MXL5005S_BANDWIDTH_6MHZ);
+}
+static int mxl5005s_reconfigure(struct dvb_frontend *fe, u32 mod_type,
+        u32 bandwidth)
+{
+        struct mxl5005s_state *state = fe->tuner_priv;
+        u8 AddrTable[MXL5005S_REG_WRITING_TABLE_LEN_MAX];
+        u8 ByteTable[MXL5005S_REG_WRITING_TABLE_LEN_MAX];
+        int TableLen;
+        dprintk(1, "%s(type=%d, bw=%d)\n", __func__, mod_type, bandwidth);
+        mxl5005s_reset(fe);
+        /* Tuner initialization stage 0 */
+        MXL_GetMasterControl(ByteTable, MC_SYNTH_RESET);
+        AddrTable[0] = MASTER_CONTROL_ADDR;
+        ByteTable[0] |= state->config->AgcMasterByte;
+        mxl5005s_writeregs(fe, AddrTable, ByteTable, 1);
+        mxl5005s_AssignTunerMode(fe, mod_type, bandwidth);
+        /* Tuner initialization stage 1 */
+        MXL_GetInitRegister(fe, AddrTable, ByteTable, &TableLen);
+        mxl5005s_writeregs(fe, AddrTable, ByteTable, TableLen);
+        return 0;
+}
+static int mxl5005s_AssignTunerMode(struct dvb_frontend *fe, u32 mod_type,
+        u32 bandwidth)
+{
+        struct mxl5005s_state *state = fe->tuner_priv;
+        struct mxl5005s_config *c = state->config;
+        InitTunerControls(fe);
+        /* Set MxL5005S parameters. */
+        MXL5005_TunerConfig(
+                fe,
+                c->mod_mode,
+                c->if_mode,
+                bandwidth,
+                c->if_freq,
+                c->xtal_freq,
+                c->agc_mode,
+                c->top,
+                c->output_load,
+                c->clock_out,
+                c->div_out,
+                c->cap_select,
+                c->rssi_enable,
+                mod_type,
+                c->tracking_filter);
+        return 0;
+}
+static int mxl5005s_set_params(struct dvb_frontend *fe,
+                               struct dvb_frontend_parameters *params)
+{
+        struct mxl5005s_state *state = fe->tuner_priv;
+        u32 req_mode, req_bw = 0;
+        int ret;
+        dprintk(1, "%s()\n", __func__);
+        if (fe->ops.info.type == FE_ATSC) {
+                switch (params->u.vsb.modulation) {
+                case VSB_8:
+                        req_mode = MXL_ATSC; break;
+                default:
+                case QAM_64:
+                case QAM_256:
+                case QAM_AUTO:
+                        req_mode = MXL_QAM; break;
+                }
+        } else
+                req_mode = MXL_DVBT;
+        /* Change tuner for new modulation type if reqd */
+        if (req_mode != state->current_mode) {
+                switch (req_mode) {
+                case VSB_8:
+                case QAM_64:
+                case QAM_256:
+                case QAM_AUTO:
+                        req_bw  = MXL5005S_BANDWIDTH_6MHZ;
+                        break;
+                default:
+                        /* Assume DVB-T */
+                        switch (params->u.ofdm.bandwidth) {
+                        case BANDWIDTH_6_MHZ:
+                                req_bw  = MXL5005S_BANDWIDTH_6MHZ;
+                                break;
+                        case BANDWIDTH_7_MHZ:
+                                req_bw  = MXL5005S_BANDWIDTH_7MHZ;
+                                break;
+                        case BANDWIDTH_AUTO:
+                        case BANDWIDTH_8_MHZ:
+                                req_bw  = MXL5005S_BANDWIDTH_8MHZ;
+                                break;
+                        }
+                }
+                state->current_mode = req_mode;
+                ret = mxl5005s_reconfigure(fe, req_mode, req_bw);
+        } else
+                ret = 0;
+        if (ret == 0) {
+                dprintk(1, "%s() freq=%d\n", __func__, params->frequency);
+                ret = mxl5005s_SetRfFreqHz(fe, params->frequency);
+        }
+        return ret;
+}
+static int mxl5005s_get_frequency(struct dvb_frontend *fe, u32 *frequency)
+{
+        struct mxl5005s_state *state = fe->tuner_priv;
+        dprintk(1, "%s()\n", __func__);
+        *frequency = state->RF_IN;
+        return 0;
+}
+static int mxl5005s_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
+{
+        struct mxl5005s_state *state = fe->tuner_priv;
+        dprintk(1, "%s()\n", __func__);
+        *bandwidth = state->Chan_Bandwidth;
+        return 0;
+}
+static int mxl5005s_release(struct dvb_frontend *fe)
+{
+        dprintk(1, "%s()\n", __func__);
+        kfree(fe->tuner_priv);
+        fe->tuner_priv = NULL;
+        return 0;
+}
+static const struct dvb_tuner_ops mxl5005s_tuner_ops = {
+        .info = {
+                .name           = "MaxLinear MXL5005S",
+                .frequency_min  =  48000000,
+                .frequency_max  = 860000000,
+                .frequency_step =     50000,
+        },
+        .release       = mxl5005s_release,
+        .init          = mxl5005s_init,
+        .set_params    = mxl5005s_set_params,
+        .get_frequency = mxl5005s_get_frequency,
+        .get_bandwidth = mxl5005s_get_bandwidth,
+};
+struct dvb_frontend *mxl5005s_attach(struct dvb_frontend *fe,
+                                     struct i2c_adapter *i2c,
+                                     struct mxl5005s_config *config)
+{
+        struct mxl5005s_state *state = NULL;
+        dprintk(1, "%s()\n", __func__);
+        state = kzalloc(sizeof(struct mxl5005s_state), GFP_KERNEL);
+        if (state == NULL)
+                return NULL;
+        state->frontend = fe;
+        state->config = config;
+        state->i2c = i2c;
+        state->current_mode = MXL_QAM;
+        printk(KERN_INFO "MXL5005S: Attached at address 0x%02x\n",
+                config->i2c_address);
+        memcpy(&fe->ops.tuner_ops, &mxl5005s_tuner_ops,
+                sizeof(struct dvb_tuner_ops));
+        fe->tuner_priv = state;
+        return fe;
+}
+EXPORT_SYMBOL(mxl5005s_attach);
+MODULE_DESCRIPTION("MaxLinear MXL5005S silicon tuner driver");
+MODULE_AUTHOR("Steven Toth");
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/common/tuners/mxl5005s.h b/drivers/media/common/tuners/mxl5005s.h
new file mode 100644
index 000000000000..396db150bf0c
--- /dev/null
+++ b/drivers/media/common/tuners/mxl5005s.h
@@ -0,0 +1,131 @@
+/*
+    MaxLinear MXL5005S VSB/QAM/DVBT tuner driver
+    Copyright (C) 2008 MaxLinear
+    Copyright (C) 2008 Steven Toth <stoth@hauppauge.com>
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+#ifndef __MXL5005S_H
+#define __MXL5005S_H
+#include <linux/i2c.h>
+#include "dvb_frontend.h"
+struct mxl5005s_config {
+        /* 7 bit i2c address */
+        u8 i2c_address;
+#define IF_FREQ_4570000HZ    4570000
+#define IF_FREQ_4571429HZ    4571429
+#define IF_FREQ_5380000HZ    5380000
+#define IF_FREQ_36000000HZ  36000000
+#define IF_FREQ_36125000HZ  36125000
+#define IF_FREQ_36166667HZ  36166667
+#define IF_FREQ_44000000HZ  44000000
+        u32 if_freq;
+#define CRYSTAL_FREQ_4000000HZ    4000000
+#define CRYSTAL_FREQ_16000000HZ  16000000
+#define CRYSTAL_FREQ_25000000HZ  25000000
+#define CRYSTAL_FREQ_28800000HZ  28800000
+        u32 xtal_freq;
+#define MXL_DUAL_AGC   0
+#define MXL_SINGLE_AGC 1
+        u8 agc_mode;
+#define MXL_TF_DEFAULT  0
+#define MXL_TF_OFF      1
+#define MXL_TF_C        2
+#define MXL_TF_C_H      3
+#define MXL_TF_D        4
+#define MXL_TF_D_L      5
+#define MXL_TF_E        6
+#define MXL_TF_F        7
+#define MXL_TF_E_2      8
+#define MXL_TF_E_NA     9
+#define MXL_TF_G        10
+        u8 tracking_filter;
+#define MXL_RSSI_DISABLE        0
+#define MXL_RSSI_ENABLE         1
+        u8 rssi_enable;
+#define MXL_CAP_SEL_DISABLE     0
+#define MXL_CAP_SEL_ENABLE      1
+        u8 cap_select;
+#define MXL_DIV_OUT_1   0
+#define MXL_DIV_OUT_4   1
+        u8 div_out;
+#define MXL_CLOCK_OUT_DISABLE   0
+#define MXL_CLOCK_OUT_ENABLE    1
+        u8 clock_out;
+#define MXL5005S_IF_OUTPUT_LOAD_200_OHM 200
+#define MXL5005S_IF_OUTPUT_LOAD_300_OHM 300
+        u32 output_load;
+#define MXL5005S_TOP_5P5   55
+#define MXL5005S_TOP_7P2   72
+#define MXL5005S_TOP_9P2   92
+#define MXL5005S_TOP_11P0 110
+#define MXL5005S_TOP_12P9 129
+#define MXL5005S_TOP_14P7 147
+#define MXL5005S_TOP_16P8 168
+#define MXL5005S_TOP_19P4 194
+#define MXL5005S_TOP_21P2 212
+#define MXL5005S_TOP_23P2 232
+#define MXL5005S_TOP_25P2 252
+#define MXL5005S_TOP_27P1 271
+#define MXL5005S_TOP_29P2 292
+#define MXL5005S_TOP_31P7 317
+#define MXL5005S_TOP_34P9 349
+        u32 top;
+#define MXL_ANALOG_MODE  0
+#define MXL_DIGITAL_MODE 1
+        u8 mod_mode;
+#define MXL_ZERO_IF 0
+#define MXL_LOW_IF  1
+        u8 if_mode;
+        /* Stuff I don't know what to do with */
+        u8 AgcMasterByte;
+};
+#if defined(CONFIG_MEDIA_TUNER_MXL5005S) || \
+        (defined(CONFIG_MEDIA_TUNER_MXL5005S_MODULE) && defined(MODULE))
+extern struct dvb_frontend *mxl5005s_attach(struct dvb_frontend *fe,
+                                            struct i2c_adapter *i2c,
+                                            struct mxl5005s_config *config);
+#else
+static inline struct dvb_frontend *mxl5005s_attach(struct dvb_frontend *fe,
+                                            struct i2c_adapter *i2c,
+                                            struct mxl5005s_config *config)
+{
+        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+        return NULL;
+}
+#endif /* CONFIG_DVB_TUNER_MXL5005S */
+#endif /* __MXL5005S_H */
diff --git a/drivers/media/common/tuners/tda18271-common.c b/drivers/media/common/tuners/tda18271-common.c
index e27a7620a32f..42b5f5d4bfe6 100644
--- a/drivers/media/common/tuners/tda18271-common.c
+++ b/drivers/media/common/tuners/tda18271-common.c
@@ -227,9 +227,8 @@ int tda18271_charge_pump_source(struct dvb_frontend *fe,
        regs[r_cp] &= ~0x20;
        regs[r_cp] |= ((force & 1) << 5);
-        tda18271_write_regs(fe, r_cp, 1);
-        return 0;
+        return tda18271_write_regs(fe, r_cp, 1);
 }
 int tda18271_init_regs(struct dvb_frontend *fe)
@@ -487,16 +486,15 @@ int tda18271_set_standby_mode(struct dvb_frontend *fe,
        struct tda18271_priv *priv = fe->tuner_priv;
        unsigned char *regs = priv->tda18271_regs;
-        tda_dbg("sm = %d, sm_lt = %d, sm_xt = %d\n", sm, sm_lt, sm_xt);
+        if (tda18271_debug & DBG_ADV)
+                tda_dbg("sm = %d, sm_lt = %d, sm_xt = %d\n", sm, sm_lt, sm_xt);
        regs[R_EP3]  &= ~0xe0; /* clear sm, sm_lt, sm_xt */
        regs[R_EP3]  |= sm    ? (1 << 7) : 0 |
                        sm_lt ? (1 << 6) : 0 |
                        sm_xt ? (1 << 5) : 0;
-        tda18271_write_regs(fe, R_EP3, 1);
+        return tda18271_write_regs(fe, R_EP3, 1);
-        return 0;
 }
 /*---------------------------------------------------------------------*/
@@ -510,7 +508,7 @@ int tda18271_calc_main_pll(struct dvb_frontend *fe, u32 freq)
        u32 div;
        int ret = tda18271_lookup_pll_map(fe, MAIN_PLL, &freq, &pd, &d);
-        if (ret < 0)
+        if (tda_fail(ret))
                goto fail;
        regs[R_MPD]   = (0x77 & pd);
@@ -542,7 +540,7 @@ int tda18271_calc_cal_pll(struct dvb_frontend *fe, u32 freq)
        u32 div;
        int ret = tda18271_lookup_pll_map(fe, CAL_PLL, &freq, &pd, &d);
-        if (ret < 0)
+        if (tda_fail(ret))
                goto fail;
        regs[R_CPD]   = pd;
@@ -566,7 +564,7 @@ int tda18271_calc_bp_filter(struct dvb_frontend *fe, u32 *freq)
        u8 val;
        int ret = tda18271_lookup_map(fe, BP_FILTER, freq, &val);
-        if (ret < 0)
+        if (tda_fail(ret))
                goto fail;
        regs[R_EP1]  &= ~0x07; /* clear bp filter bits */
@@ -583,7 +581,7 @@ int tda18271_calc_km(struct dvb_frontend *fe, u32 *freq)
        u8 val;
        int ret = tda18271_lookup_map(fe, RF_CAL_KMCO, freq, &val);
-        if (ret < 0)
+        if (tda_fail(ret))
                goto fail;
        regs[R_EB13] &= ~0x7c; /* clear k & m bits */
@@ -600,7 +598,7 @@ int tda18271_calc_rf_band(struct dvb_frontend *fe, u32 *freq)
        u8 val;
        int ret = tda18271_lookup_map(fe, RF_BAND, freq, &val);
-        if (ret < 0)
+        if (tda_fail(ret))
                goto fail;
        regs[R_EP2]  &= ~0xe0; /* clear rf band bits */
@@ -617,7 +615,7 @@ int tda18271_calc_gain_taper(struct dvb_frontend *fe, u32 *freq)
        u8 val;
        int ret = tda18271_lookup_map(fe, GAIN_TAPER, freq, &val);
-        if (ret < 0)
+        if (tda_fail(ret))
                goto fail;
        regs[R_EP2]  &= ~0x1f; /* clear gain taper bits */
@@ -634,7 +632,7 @@ int tda18271_calc_ir_measure(struct dvb_frontend *fe, u32 *freq)
        u8 val;
        int ret = tda18271_lookup_map(fe, IR_MEASURE, freq, &val);
-        if (ret < 0)
+        if (tda_fail(ret))
                goto fail;
        regs[R_EP5] &= ~0x07;
diff --git a/drivers/media/common/tuners/tda18271-fe.c b/drivers/media/common/tuners/tda18271-fe.c
index b262100ae897..89c01fb1f859 100644
--- a/drivers/media/common/tuners/tda18271-fe.c
+++ b/drivers/media/common/tuners/tda18271-fe.c
@@ -51,6 +51,7 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe,
 {
        struct tda18271_priv *priv = fe->tuner_priv;
        unsigned char *regs = priv->tda18271_regs;
+        int ret;
        u32 N;
        /* update TV broadcast parameters */
@@ -85,7 +86,9 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe,
        /* update rf top / if top */
        regs[R_EB22]  = 0x00;
        regs[R_EB22] |= map->rfagc_top;
-        tda18271_write_regs(fe, R_EB22, 1);
+        ret = tda18271_write_regs(fe, R_EB22, 1);
+        if (tda_fail(ret))
+                goto fail;
        /* --------------------------------------------------------------- */
@@ -121,7 +124,9 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe,
        /* agc1 has priority on agc2 */
        regs[R_EB1]  &= ~0x01;
-        tda18271_write_regs(fe, R_EB1, 1);
+        ret = tda18271_write_regs(fe, R_EB1, 1);
+        if (tda_fail(ret))
+                goto fail;
        /* --------------------------------------------------------------- */
@@ -141,7 +146,9 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe,
                break;
        }
-        tda18271_write_regs(fe, R_TM, 7);
+        ret = tda18271_write_regs(fe, R_TM, 7);
+        if (tda_fail(ret))
+                goto fail;
        /* force charge pump source */
        charge_pump_source(fe, 1);
@@ -158,9 +165,9 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe,
                regs[R_EP3] &= ~0x04;
        else
                regs[R_EP3] |= 0x04;
-        tda18271_write_regs(fe, R_EP3, 1);
+        ret = tda18271_write_regs(fe, R_EP3, 1);
+fail:
-        return 0;
+        return ret;
 }
 static int tda18271_read_thermometer(struct dvb_frontend *fe)
@@ -213,11 +220,13 @@ static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe,
        struct tda18271_priv *priv = fe->tuner_priv;
        struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state;
        unsigned char *regs = priv->tda18271_regs;
-        int tm_current, rfcal_comp, approx, i;
+        int tm_current, rfcal_comp, approx, i, ret;
        u8 dc_over_dt, rf_tab;
        /* power up */
-        tda18271_set_standby_mode(fe, 0, 0, 0);
+        ret = tda18271_set_standby_mode(fe, 0, 0, 0);
+        if (tda_fail(ret))
+                goto fail;
        /* read die current temperature */
        tm_current = tda18271_read_thermometer(fe);
@@ -228,8 +237,8 @@ static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe,
        rf_tab = regs[R_EB14];
        i = tda18271_lookup_rf_band(fe, &freq, NULL);
-        if (i < 0)
+        if (tda_fail(i))
-                return -EINVAL;
+                return i;
        if ((0 == map[i].rf3) || (freq / 1000 < map[i].rf2)) {
                approx = map[i].rf_a1 *
@@ -250,35 +259,42 @@ static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe,
        rfcal_comp = dc_over_dt * (tm_current - priv->tm_rfcal);
        regs[R_EB14] = approx + rfcal_comp;
-        tda18271_write_regs(fe, R_EB14, 1);
+        ret = tda18271_write_regs(fe, R_EB14, 1);
+fail:
-        return 0;
+        return ret;
 }
 static int tda18271_por(struct dvb_frontend *fe)
 {
        struct tda18271_priv *priv = fe->tuner_priv;
        unsigned char *regs = priv->tda18271_regs;
+        int ret;
        /* power up detector 1 */
        regs[R_EB12] &= ~0x20;
-        tda18271_write_regs(fe, R_EB12, 1);
+        ret = tda18271_write_regs(fe, R_EB12, 1);
+        if (tda_fail(ret))
+                goto fail;
        regs[R_EB18] &= ~0x80; /* turn agc1 loop on */
        regs[R_EB18] &= ~0x03; /* set agc1_gain to  6 dB */
-        tda18271_write_regs(fe, R_EB18, 1);
+        ret = tda18271_write_regs(fe, R_EB18, 1);
+        if (tda_fail(ret))
+                goto fail;
        regs[R_EB21] |= 0x03; /* set agc2_gain to -6 dB */
        /* POR mode */
-        tda18271_set_standby_mode(fe, 1, 0, 0);
+        ret = tda18271_set_standby_mode(fe, 1, 0, 0);
+        if (tda_fail(ret))
+                goto fail;
        /* disable 1.5 MHz low pass filter */
        regs[R_EB23] &= ~0x04; /* forcelp_fc2_en = 0 */
        regs[R_EB23] &= ~0x02; /* XXX: lp_fc[2] = 0 */
-        tda18271_write_regs(fe, R_EB21, 3);
+        ret = tda18271_write_regs(fe, R_EB21, 3);
+fail:
-        return 0;
+        return ret;
 }
 static int tda18271_calibrate_rf(struct dvb_frontend *fe, u32 freq)
@@ -389,7 +405,7 @@ static int tda18271_powerscan(struct dvb_frontend *fe,
 {
        struct tda18271_priv *priv = fe->tuner_priv;
        unsigned char *regs = priv->tda18271_regs;
-        int sgn, bcal, count, wait;
+        int sgn, bcal, count, wait, ret;
        u8 cid_target;
        u16 count_limit;
        u32 freq;
@@ -421,7 +437,9 @@ static int tda18271_powerscan(struct dvb_frontend *fe,
        tda18271_write_regs(fe, R_EP2, 1);
        /* read power detection info, stored in EB10 */
-        tda18271_read_extended(fe);
+        ret = tda18271_read_extended(fe);
+        if (tda_fail(ret))
+                return ret;
        /* algorithm initialization */
        sgn = 1;
@@ -447,7 +465,9 @@ static int tda18271_powerscan(struct dvb_frontend *fe,
                tda18271_write_regs(fe, R_EP2, 1);
                /* read power detection info, stored in EB10 */
-                tda18271_read_extended(fe);
+                ret = tda18271_read_extended(fe);
+                if (tda_fail(ret))
+                        return ret;
                count += 200;
@@ -478,6 +498,7 @@ static int tda18271_powerscan_init(struct dvb_frontend *fe)
 {
        struct tda18271_priv *priv = fe->tuner_priv;
        unsigned char *regs = priv->tda18271_regs;
+        int ret;
        /* set standard to digital */
        regs[R_EP3]  &= ~0x1f; /* clear std bits */
@@ -489,10 +510,14 @@ static int tda18271_powerscan_init(struct dvb_frontend *fe)
        /* update IF output level & IF notch frequency */
        regs[R_EP4]  &= ~0x1c; /* clear if level bits */
-        tda18271_write_regs(fe, R_EP3, 2);
+        ret = tda18271_write_regs(fe, R_EP3, 2);
+        if (tda_fail(ret))
+                goto fail;
        regs[R_EB18] &= ~0x03; /* set agc1_gain to   6 dB */
-        tda18271_write_regs(fe, R_EB18, 1);
+        ret = tda18271_write_regs(fe, R_EB18, 1);
+        if (tda_fail(ret))
+                goto fail;
        regs[R_EB21] &= ~0x03; /* set agc2_gain to -15 dB */
@@ -500,9 +525,9 @@ static int tda18271_powerscan_init(struct dvb_frontend *fe)
        regs[R_EB23] |= 0x04; /* forcelp_fc2_en = 1 */
        regs[R_EB23] |= 0x02; /* lp_fc[2] = 1 */
-        tda18271_write_regs(fe, R_EB21, 3);
+        ret = tda18271_write_regs(fe, R_EB21, 3);
+fail:
-        return 0;
+        return ret;
 }
 static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq)
@@ -521,7 +546,7 @@ static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq)
        i = tda18271_lookup_rf_band(fe, &freq, NULL);
-        if (i < 0)
+        if (tda_fail(i))
                return i;
        rf_default[RF1] = 1000 * map[i].rf1_def;
@@ -535,6 +560,8 @@ static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq)
                /* look for optimized calibration frequency */
                bcal = tda18271_powerscan(fe, &rf_default[rf], &rf_freq[rf]);
+                if (tda_fail(bcal))
+                        return bcal;
                tda18271_calc_rf_cal(fe, &rf_freq[rf]);
                prog_tab[rf] = regs[R_EB14];
@@ -575,22 +602,29 @@ static int tda18271_calc_rf_filter_curve(struct dvb_frontend *fe)
 {
        struct tda18271_priv *priv = fe->tuner_priv;
        unsigned int i;
+        int ret;
        tda_info("tda18271: performing RF tracking filter calibration\n");
        /* wait for die temperature stabilization */
        msleep(200);
-        tda18271_powerscan_init(fe);
+        ret = tda18271_powerscan_init(fe);
+        if (tda_fail(ret))
+                goto fail;
        /* rf band calibration */
-        for (i = 0; priv->rf_cal_state[i].rfmax != 0; i++)
+        for (i = 0; priv->rf_cal_state[i].rfmax != 0; i++) {
+                ret =
                tda18271_rf_tracking_filters_init(fe, 1000 *
                                                  priv->rf_cal_state[i].rfmax);
+                if (tda_fail(ret))
+                        goto fail;
+        }
        priv->tm_rfcal = tda18271_read_thermometer(fe);
+fail:
-        return 0;
+        return ret;
 }
 /* ------------------------------------------------------------------ */
@@ -599,6 +633,7 @@ static int tda18271c2_rf_cal_init(struct dvb_frontend *fe)
 {
        struct tda18271_priv *priv = fe->tuner_priv;
        unsigned char *regs = priv->tda18271_regs;
+        int ret;
        /* test RF_CAL_OK to see if we need init */
        if ((regs[R_EP1] & 0x10) == 0)
@@ -607,15 +642,22 @@ static int tda18271c2_rf_cal_init(struct dvb_frontend *fe)
        if (priv->cal_initialized)
                return 0;
-        tda18271_calc_rf_filter_curve(fe);
+        ret = tda18271_calc_rf_filter_curve(fe);
+        if (tda_fail(ret))
+                goto fail;
-        tda18271_por(fe);
+        ret = tda18271_por(fe);
+        if (tda_fail(ret))
+                goto fail;
        tda_info("tda18271: RF tracking filter calibration complete\n");
        priv->cal_initialized = true;
+        goto end;
-        return 0;
+fail:
+        tda_info("tda18271: RF tracking filter calibration failed!\n");
+end:
+        return ret;
 }
 static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe,
@@ -623,6 +665,7 @@ static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe,
 {
        struct tda18271_priv *priv = fe->tuner_priv;
        unsigned char *regs = priv->tda18271_regs;
+        int ret;
        u32 N = 0;
        /* calculate bp filter */
@@ -671,7 +714,10 @@ static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe,
        tda18271_calc_main_pll(fe, N);
-        tda18271_write_regs(fe, R_EP3, 11);
+        ret = tda18271_write_regs(fe, R_EP3, 11);
+        if (tda_fail(ret))
+                return ret;
        msleep(5); /* RF tracking filter calibration initialization */
        /* search for K,M,CO for RF calibration */
@@ -719,45 +765,56 @@ static int tda18271_ir_cal_init(struct dvb_frontend *fe)
 {
        struct tda18271_priv *priv = fe->tuner_priv;
        unsigned char *regs = priv->tda18271_regs;
+        int ret;
-        tda18271_read_regs(fe);
+        ret = tda18271_read_regs(fe);
+        if (tda_fail(ret))
+                goto fail;
        /* test IR_CAL_OK to see if we need init */
        if ((regs[R_EP1] & 0x08) == 0)
-                tda18271_init_regs(fe);
+                ret = tda18271_init_regs(fe);
+fail:
-        return 0;
+        return ret;
 }
 static int tda18271_init(struct dvb_frontend *fe)
 {
        struct tda18271_priv *priv = fe->tuner_priv;
+        int ret;
        mutex_lock(&priv->lock);
        /* power up */
-        tda18271_set_standby_mode(fe, 0, 0, 0);
+        ret = tda18271_set_standby_mode(fe, 0, 0, 0);
+        if (tda_fail(ret))
+                goto fail;
        /* initialization */
-        tda18271_ir_cal_init(fe);
+        ret = tda18271_ir_cal_init(fe);
+        if (tda_fail(ret))
+                goto fail;
        if (priv->id == TDA18271HDC2)
                tda18271c2_rf_cal_init(fe);
+fail:
        mutex_unlock(&priv->lock);
-        return 0;
+        return ret;
 }
 static int tda18271_tune(struct dvb_frontend *fe,
                         struct tda18271_std_map_item *map, u32 freq, u32 bw)
 {
        struct tda18271_priv *priv = fe->tuner_priv;
+        int ret;
        tda_dbg("freq = %d, ifc = %d, bw = %d, agc_mode = %d, std = %d\n",
                freq, map->if_freq, bw, map->agc_mode, map->std);
-        tda18271_init(fe);
+        ret = tda18271_init(fe);
+        if (tda_fail(ret))
+                goto fail;
        mutex_lock(&priv->lock);
@@ -769,11 +826,11 @@ static int tda18271_tune(struct dvb_frontend *fe,
                tda18271c2_rf_tracking_filters_correction(fe, freq);
                break;
        }
-        tda18271_channel_configuration(fe, map, freq, bw);
+        ret = tda18271_channel_configuration(fe, map, freq, bw);
        mutex_unlock(&priv->lock);
+fail:
-        return 0;
+        return ret;
 }
 /* ------------------------------------------------------------------ */
@@ -837,7 +894,7 @@ static int tda18271_set_params(struct dvb_frontend *fe,
        ret = tda18271_tune(fe, map, freq, bw);
-        if (ret < 0)
+        if (tda_fail(ret))
                goto fail;
        priv->frequency = freq;
@@ -893,7 +950,7 @@ static int tda18271_set_analog_params(struct dvb_frontend *fe,
        ret = tda18271_tune(fe, map, freq, 0);
-        if (ret < 0)
+        if (tda_fail(ret))
                goto fail;
        priv->frequency = freq;
@@ -905,16 +962,17 @@ fail:
 static int tda18271_sleep(struct dvb_frontend *fe)
 {
        struct tda18271_priv *priv = fe->tuner_priv;
+        int ret;
        mutex_lock(&priv->lock);
        /* standby mode w/ slave tuner output
         * & loop thru & xtal oscillator on */
-        tda18271_set_standby_mode(fe, 1, 0, 0);
+        ret = tda18271_set_standby_mode(fe, 1, 0, 0);
        mutex_unlock(&priv->lock);
-        return 0;
+        return ret;
 }
 static int tda18271_release(struct dvb_frontend *fe)
@@ -1095,10 +1153,10 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
                if (cfg)
                        priv->small_i2c = cfg->small_i2c;
-                if (tda18271_get_id(fe) < 0)
+                if (tda_fail(tda18271_get_id(fe)))
                        goto fail;
-                if (tda18271_assign_map_layout(fe) < 0)
+                if (tda_fail(tda18271_assign_map_layout(fe)))
                        goto fail;
                mutex_lock(&priv->lock);
diff --git a/drivers/media/common/tuners/tda18271-priv.h b/drivers/media/common/tuners/tda18271-priv.h
index 2bc5eb368ea2..81a739365f8c 100644
--- a/drivers/media/common/tuners/tda18271-priv.h
+++ b/drivers/media/common/tuners/tda18271-priv.h
@@ -153,6 +153,15 @@ extern int tda18271_debug;
 #define tda_reg(fmt, arg...)  dprintk(KERN_DEBUG, DBG_REG,  fmt, ##arg)
 #define tda_cal(fmt, arg...)  dprintk(KERN_DEBUG, DBG_CAL,  fmt, ##arg)
+#define tda_fail(ret)                                                        \
+({                                                                           \
+        int __ret;                                                           \
+        __ret = (ret < 0);                                                   \
+        if (__ret)                                                           \
+                tda_printk(KERN_ERR, "error %d on line %d\n", ret, __LINE__);\
+        __ret;                                                               \
+})
 /*---------------------------------------------------------------------*/
 enum tda18271_map_type {
diff --git a/drivers/media/common/tuners/tea5767.c b/drivers/media/common/tuners/tea5767.c
index f6e7d7ad8424..1f5646334a8f 100644
--- a/drivers/media/common/tuners/tea5767.c
+++ b/drivers/media/common/tuners/tea5767.c
@@ -373,14 +373,14 @@ int tea5767_autodetection(struct i2c_adapter* i2c_adap, u8 i2c_addr)
        if ((rc = tuner_i2c_xfer_recv(&i2c, buffer, 7))< 5) {
                printk(KERN_WARNING "It is not a TEA5767. Received %i bytes.\n", rc);
-                return EINVAL;
+                return -EINVAL;
        }
        /* If all bytes are the same then it's a TV tuner and not a tea5767 */
        if (buffer[0] == buffer[1] && buffer[0] == buffer[2] &&
            buffer[0] == buffer[3] && buffer[0] == buffer[4]) {
                printk(KERN_WARNING "All bytes are equal. It is not a TEA5767\n");
-                return EINVAL;
+                return -EINVAL;
        }
        /*  Status bytes:
@@ -390,7 +390,7 @@ int tea5767_autodetection(struct i2c_adapter* i2c_adap, u8 i2c_addr)
         */
        if (((buffer[3] & 0x0f) != 0x00) || (buffer[4] != 0x00)) {
                printk(KERN_WARNING "Chip ID is not zero. It is not a TEA5767\n");
-                return EINVAL;
+                return -EINVAL;
        }
diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c
index 43d35bdb221f..ceae6db901ec 100644
--- a/drivers/media/common/tuners/xc5000.c
+++ b/drivers/media/common/tuners/xc5000.c
@@ -212,7 +212,7 @@ static void xc5000_TunerReset(struct dvb_frontend *fe)
        dprintk(1, "%s()\n", __func__);
        if (priv->cfg->tuner_callback) {
-                ret = priv->cfg->tuner_callback(priv->cfg->priv,
+                ret = priv->cfg->tuner_callback(priv->devptr,
                                                XC5000_TUNER_RESET, 0);
                if (ret)
                        printk(KERN_ERR "xc5000: reset failed\n");
@@ -900,9 +900,9 @@ static const struct dvb_tuner_ops xc5000_tuner_ops = {
        .get_status        = xc5000_get_status
 };
-struct dvb_frontend * xc5000_attach(struct dvb_frontend *fe,
+struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
-        struct i2c_adapter *i2c,
+                                   struct i2c_adapter *i2c,
-        struct xc5000_config *cfg)
+                                   struct xc5000_config *cfg, void *devptr)
 {
        struct xc5000_priv *priv = NULL;
        u16 id = 0;
@@ -916,6 +916,7 @@ struct dvb_frontend * xc5000_attach(struct dvb_frontend *fe,
        priv->cfg = cfg;
        priv->bandwidth = BANDWIDTH_6_MHZ;
        priv->i2c = i2c;
+        priv->devptr = devptr;
        /* Check if firmware has been loaded. It is possible that another
           instance of the driver has loaded the firmware.
diff --git a/drivers/media/common/tuners/xc5000.h b/drivers/media/common/tuners/xc5000.h
index 0ee80f9d19b8..c910715addc9 100644
--- a/drivers/media/common/tuners/xc5000.h
+++ b/drivers/media/common/tuners/xc5000.h
@@ -31,29 +31,31 @@ struct xc5000_config {
        u8   i2c_address;
        u32  if_khz;
-        /* For each bridge framework, when it attaches either analog or digital,
-         * it has to store a reference back to its _core equivalent structure,
-         * so that it can service the hardware by steering gpio's etc.
-         * Each bridge implementation is different so cast priv accordingly.
-         * The xc5000 driver cares not for this value, other than ensuring
-         * it's passed back to a bridge during tuner_callback().
-         */
-        void *priv;
        int  (*tuner_callback) (void *priv, int command, int arg);
 };
 /* xc5000 callback command */
 #define XC5000_TUNER_RESET              0
+/* For each bridge framework, when it attaches either analog or digital,
+ * it has to store a reference back to its _core equivalent structure,
+ * so that it can service the hardware by steering gpio's etc.
+ * Each bridge implementation is different so cast devptr accordingly.
+ * The xc5000 driver cares not for this value, other than ensuring
+ * it's passed back to a bridge during tuner_callback().
+ */
 #if defined(CONFIG_MEDIA_TUNER_XC5000) || \
    (defined(CONFIG_MEDIA_TUNER_XC5000_MODULE) && defined(MODULE))
 extern struct dvb_frontend* xc5000_attach(struct dvb_frontend *fe,
                                          struct i2c_adapter *i2c,
-                                          struct xc5000_config *cfg);
+                                          struct xc5000_config *cfg,
+                                          void *devptr);
 #else
 static inline struct dvb_frontend* xc5000_attach(struct dvb_frontend *fe,
                                                 struct i2c_adapter *i2c,
-                                                 struct xc5000_config *cfg)
+                                                 struct xc5000_config *cfg,
+                                                 void *devptr)
 {
        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
        return NULL;
diff --git a/drivers/media/common/tuners/xc5000_priv.h b/drivers/media/common/tuners/xc5000_priv.h
index 13b2d19341da..ecebfe4745ad 100644
--- a/drivers/media/common/tuners/xc5000_priv.h
+++ b/drivers/media/common/tuners/xc5000_priv.h
@@ -31,6 +31,8 @@ struct xc5000_priv {
        u8  video_standard;
        u8  rf_mode;
        u8  fwloaded;
+        void *devptr;
 };
 #endif
diff --git a/drivers/media/dvb/b2c2/flexcop-fe-tuner.c b/drivers/media/dvb/b2c2/flexcop-fe-tuner.c
index 7b0ea3bdfafb..f9d087669d5d 100644
--- a/drivers/media/dvb/b2c2/flexcop-fe-tuner.c
+++ b/drivers/media/dvb/b2c2/flexcop-fe-tuner.c
@@ -634,7 +634,7 @@ int flexcop_frontend_init(struct flexcop_device *fc)
        }
        /* try the sky v2.3 (vp310/Samsung tbdu18132(tsa5059)) */
-        fc->fe = dvb_attach(vp310_mt312_attach,
+        fc->fe = dvb_attach(mt312_attach,
                &skystar23_samsung_tbdu18132_config, i2c);
        if (fc->fe != NULL) {
                ops = &fc->fe->ops;
diff --git a/drivers/media/dvb/bt8xx/Kconfig b/drivers/media/dvb/bt8xx/Kconfig
index d1239b8342f8..7588db1319d0 100644
--- a/drivers/media/dvb/bt8xx/Kconfig
+++ b/drivers/media/dvb/bt8xx/Kconfig
@@ -1,6 +1,7 @@
 config DVB_BT8XX
        tristate "BT8xx based PCI cards"
        depends on DVB_CORE && PCI && I2C && VIDEO_BT848
+        depends on HOTPLUG      # due to FW_LOADER
        select DVB_MT352 if !DVB_FE_CUSTOMISE
        select DVB_SP887X if !DVB_FE_CUSTOMISE
        select DVB_NXT6000 if !DVB_FE_CUSTOMISE
diff --git a/drivers/media/dvb/cinergyT2/Kconfig b/drivers/media/dvb/cinergyT2/Kconfig
index 3d778c5aba68..c03513b2ccae 100644
--- a/drivers/media/dvb/cinergyT2/Kconfig
+++ b/drivers/media/dvb/cinergyT2/Kconfig
@@ -1,6 +1,6 @@
 config DVB_CINERGYT2
        tristate "Terratec CinergyT2/qanu USB2 DVB-T receiver"
-        depends on DVB_CORE && USB
+        depends on DVB_CORE && USB && INPUT
        help
          Support for "TerraTec CinergyT2" USB2.0 Highspeed DVB Receivers
diff --git a/drivers/media/dvb/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb/dvb-core/dvb_ca_en50221.c
index 8cbdb0ec67e2..588fbe105c27 100644
--- a/drivers/media/dvb/dvb-core/dvb_ca_en50221.c
+++ b/drivers/media/dvb/dvb-core/dvb_ca_en50221.c
@@ -910,15 +910,21 @@ static void dvb_ca_en50221_thread_update_delay(struct dvb_ca_private *ca)
        int curdelay = 100000000;
        int slot;
+        /* Beware of too high polling frequency, because one polling
+         * call might take several hundred milliseconds until timeout!
+         */
        for (slot = 0; slot < ca->slot_count; slot++) {
                switch (ca->slot_info[slot].slot_state) {
                default:
                case DVB_CA_SLOTSTATE_NONE:
+                        delay = HZ * 60;  /* 60s */
+                        if (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE))
+                                delay = HZ * 5;  /* 5s */
+                        break;
                case DVB_CA_SLOTSTATE_INVALID:
-                        delay = HZ * 60;
+                        delay = HZ * 60;  /* 60s */
-                        if (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE)) {
+                        if (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE))
-                                delay = HZ / 10;
+                                delay = HZ / 10;  /* 100ms */
-                        }
                        break;
                case DVB_CA_SLOTSTATE_UNINITIALISED:
@@ -926,19 +932,17 @@ static void dvb_ca_en50221_thread_update_delay(struct dvb_ca_private *ca)
                case DVB_CA_SLOTSTATE_VALIDATE:
                case DVB_CA_SLOTSTATE_WAITFR:
                case DVB_CA_SLOTSTATE_LINKINIT:
-                        delay = HZ / 10;
+                        delay = HZ / 10;  /* 100ms */
                        break;
                case DVB_CA_SLOTSTATE_RUNNING:
-                        delay = HZ * 60;
+                        delay = HZ * 60;  /* 60s */
-                        if (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE)) {
+                        if (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE))
-                                delay = HZ / 10;
+                                delay = HZ / 10;  /* 100ms */
-                        }
                        if (ca->open) {
                                if ((!ca->slot_info[slot].da_irq_supported) ||
-                                    (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_DA))) {
+                                    (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_DA)))
-                                        delay = HZ / 10;
+                                        delay = HZ / 10;  /* 100ms */
-                                }
                        }
                        break;
                }
diff --git a/drivers/media/dvb/dvb-usb/Kconfig b/drivers/media/dvb/dvb-usb/Kconfig
index 4c1cff9feb2e..cf4584e48b6d 100644
--- a/drivers/media/dvb/dvb-usb/Kconfig
+++ b/drivers/media/dvb/dvb-usb/Kconfig
@@ -1,6 +1,7 @@
 config DVB_USB
        tristate "Support for various USB DVB devices"
        depends on DVB_CORE && USB && I2C
+        depends on HOTPLUG      # due to FW_LOADER
        select FW_LOADER
        help
          By enabling this you will be able to choose the various supported
diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig
index 6d2384605927..c20553c4da1f 100644
--- a/drivers/media/dvb/frontends/Kconfig
+++ b/drivers/media/dvb/frontends/Kconfig
@@ -30,7 +30,7 @@ config DVB_CX24123
          A DVB-S tuner module. Say Y when you want to support this frontend.
 config DVB_MT312
-        tristate "Zarlink VP310/MT312 based"
+        tristate "Zarlink VP310/MT312/ZL10313 based"
        depends on DVB_CORE && I2C
        default m if DVB_FE_CUSTOMISE
        help
@@ -97,7 +97,7 @@ comment "DVB-T (terrestrial) frontends"
 config DVB_SP8870
        tristate "Spase sp8870 based"
-        depends on DVB_CORE && I2C
+        depends on DVB_CORE && I2C && HOTPLUG
        default m if DVB_FE_CUSTOMISE
        select FW_LOADER
        help
@@ -110,7 +110,7 @@ config DVB_SP8870
 config DVB_SP887X
        tristate "Spase sp887x based"
-        depends on DVB_CORE && I2C
+        depends on DVB_CORE && I2C && HOTPLUG
        default m if DVB_FE_CUSTOMISE
        select FW_LOADER
        help
@@ -144,7 +144,7 @@ config DVB_L64781
 config DVB_TDA1004X
        tristate "Philips TDA10045H/TDA10046H based"
-        depends on DVB_CORE && I2C
+        depends on DVB_CORE && I2C && HOTPLUG
        default m if DVB_FE_CUSTOMISE
        select FW_LOADER
        help
@@ -211,7 +211,7 @@ config DVB_DIB7000P
 config DVB_TDA10048
        tristate "Philips TDA10048HN based"
-        depends on DVB_CORE && I2C
+        depends on DVB_CORE && I2C && HOTPLUG
        default m if DVB_FE_CUSTOMISE
        select FW_LOADER
        help
@@ -253,7 +253,7 @@ comment "ATSC (North American/Korean Terrestrial/Cable DTV) frontends"
 config DVB_NXT200X
        tristate "NxtWave Communications NXT2002/NXT2004 based"
-        depends on DVB_CORE && I2C
+        depends on DVB_CORE && I2C && HOTPLUG
        default m if DVB_FE_CUSTOMISE
        select FW_LOADER
        help
@@ -268,7 +268,7 @@ config DVB_NXT200X
 config DVB_OR51211
        tristate "Oren OR51211 based"
-        depends on DVB_CORE && I2C
+        depends on DVB_CORE && I2C && HOTPLUG
        default m if DVB_FE_CUSTOMISE
        select FW_LOADER
        help
@@ -281,7 +281,7 @@ config DVB_OR51211
 config DVB_OR51132
        tristate "Oren OR51132 based"
-        depends on DVB_CORE && I2C
+        depends on DVB_CORE && I2C && HOTPLUG
        default m if DVB_FE_CUSTOMISE
        select FW_LOADER
        help
@@ -297,7 +297,7 @@ config DVB_OR51132
 config DVB_BCM3510
        tristate "Broadcom BCM3510"
-        depends on DVB_CORE && I2C
+        depends on DVB_CORE && I2C && HOTPLUG
        default m if DVB_FE_CUSTOMISE
        select FW_LOADER
        help
diff --git a/drivers/media/dvb/frontends/itd1000.c b/drivers/media/dvb/frontends/itd1000.c
index 04c562ccf990..600dad6b41ea 100644
--- a/drivers/media/dvb/frontends/itd1000.c
+++ b/drivers/media/dvb/frontends/itd1000.c
@@ -195,7 +195,7 @@ static void itd1000_set_vco(struct itd1000_state *state, u32 freq_khz)
        }
 }
-struct {
+static const struct {
        u32 freq;
        u8 values[10]; /* RFTR, RFST1 - RFST9 */
 } itd1000_fre_values[] = {
diff --git a/drivers/media/dvb/frontends/mt312.c b/drivers/media/dvb/frontends/mt312.c
index 081ca3398c76..5ac9b15920f8 100644
--- a/drivers/media/dvb/frontends/mt312.c
+++ b/drivers/media/dvb/frontends/mt312.c
@@ -737,7 +737,7 @@ static void mt312_release(struct dvb_frontend *fe)
 }
 #define MT312_SYS_CLK           90000000UL      /* 90 MHz */
-static struct dvb_frontend_ops vp310_mt312_ops = {
+static struct dvb_frontend_ops mt312_ops = {
        .info = {
                .name = "Zarlink ???? DVB-S",
@@ -776,7 +776,7 @@ static struct dvb_frontend_ops vp310_mt312_ops = {
        .set_voltage = mt312_set_voltage,
 };
-struct dvb_frontend *vp310_mt312_attach(const struct mt312_config *config,
+struct dvb_frontend *mt312_attach(const struct mt312_config *config,
                                        struct i2c_adapter *i2c)
 {
        struct mt312_state *state = NULL;
@@ -795,7 +795,7 @@ struct dvb_frontend *vp310_mt312_attach(const struct mt312_config *config,
                goto error;
        /* create dvb_frontend */
-        memcpy(&state->frontend.ops, &vp310_mt312_ops,
+        memcpy(&state->frontend.ops, &mt312_ops,
                sizeof(struct dvb_frontend_ops));
        state->frontend.demodulator_priv = state;
@@ -827,12 +827,13 @@ error:
        kfree(state);
        return NULL;
 }
-EXPORT_SYMBOL(vp310_mt312_attach);
+EXPORT_SYMBOL(mt312_attach);
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
 MODULE_DESCRIPTION("Zarlink VP310/MT312/ZL10313 DVB-S Demodulator driver");
 MODULE_AUTHOR("Andreas Oberritter <obi@linuxtv.org>");
+MODULE_AUTHOR("Matthias Schwarzott <zzam@gentoo.org>");
 MODULE_LICENSE("GPL");
diff --git a/drivers/media/dvb/frontends/mt312.h b/drivers/media/dvb/frontends/mt312.h
index de796eab3911..29e3bb5496b8 100644
--- a/drivers/media/dvb/frontends/mt312.h
+++ b/drivers/media/dvb/frontends/mt312.h
@@ -37,10 +37,10 @@ struct mt312_config {
 };
 #if defined(CONFIG_DVB_MT312) || (defined(CONFIG_DVB_MT312_MODULE) && defined(MODULE))
-struct dvb_frontend *vp310_mt312_attach(const struct mt312_config *config,
+struct dvb_frontend *mt312_attach(const struct mt312_config *config,
                                        struct i2c_adapter *i2c);
 #else
-static inline struct dvb_frontend *vp310_mt312_attach(
+static inline struct dvb_frontend *mt312_attach(
        const struct mt312_config *config, struct i2c_adapter *i2c)
 {
        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
diff --git a/drivers/media/dvb/ttpci/Kconfig b/drivers/media/dvb/ttpci/Kconfig
index ae882432dd3d..d4339b1b3b68 100644
--- a/drivers/media/dvb/ttpci/Kconfig
+++ b/drivers/media/dvb/ttpci/Kconfig
@@ -5,6 +5,7 @@ config TTPCI_EEPROM
 config DVB_AV7110
        tristate "AV7110 cards"
        depends on DVB_CORE && PCI && I2C
+        depends on HOTPLUG
        select FW_LOADER if !DVB_AV7110_FIRMWARE
        select TTPCI_EEPROM
        select VIDEO_SAA7146_VV
@@ -123,6 +124,7 @@ config DVB_BUDGET_AV
        depends on DVB_BUDGET_CORE && I2C
        select VIDEO_SAA7146_VV
        depends on VIDEO_DEV    # dependencies of VIDEO_SAA7146_VV
+        depends on HOTPLUG      # dependency of FW_LOADER
        select DVB_PLL if !DVB_FE_CUSTOMISE
        select DVB_STV0299 if !DVB_FE_CUSTOMISE
        select DVB_TDA1004X if !DVB_FE_CUSTOMISE
diff --git a/drivers/media/dvb/ttusb-dec/Kconfig b/drivers/media/dvb/ttusb-dec/Kconfig
index 83611012ef34..0712899e39a4 100644
--- a/drivers/media/dvb/ttusb-dec/Kconfig
+++ b/drivers/media/dvb/ttusb-dec/Kconfig
@@ -1,6 +1,7 @@
 config DVB_TTUSB_DEC
        tristate "Technotrend/Hauppauge USB DEC devices"
        depends on DVB_CORE && USB
+        depends on HOTPLUG      # due to FW_LOADER
        select FW_LOADER
        select CRC32
        help
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
index fe743aa7f645..89d8d37838a3 100644
--- a/drivers/media/video/Kconfig
+++ b/drivers/media/video/Kconfig
@@ -44,6 +44,10 @@ config VIDEO_TVEEPROM
        tristate
        depends on I2C
+config VIDEO_TUNER
+        tristate
+        depends on MEDIA_TUNER
 #
 # Multimedia Video device configuration
 #
@@ -690,7 +694,7 @@ config VIDEO_MXB
        tristate "Siemens-Nixdorf 'Multimedia eXtension Board'"
        depends on PCI && VIDEO_V4L1 && I2C
        select VIDEO_SAA7146_VV
-        select MEDIA_TUNER
+        select VIDEO_TUNER
        select VIDEO_SAA7111 if VIDEO_HELPER_CHIPS_AUTO
        select VIDEO_TDA9840 if VIDEO_HELPER_CHIPS_AUTO
        select VIDEO_TEA6415C if VIDEO_HELPER_CHIPS_AUTO
@@ -906,7 +910,7 @@ config SOC_CAMERA
 config SOC_CAMERA_MT9M001
        tristate "mt9m001 support"
-        depends on SOC_CAMERA
+        depends on SOC_CAMERA && I2C
        select GPIO_PCA953X if MT9M001_PCA9536_SWITCH
        help
          This driver supports MT9M001 cameras from Micron, monochrome
@@ -921,7 +925,7 @@ config MT9M001_PCA9536_SWITCH
 config SOC_CAMERA_MT9V022
        tristate "mt9v022 support"
-        depends on SOC_CAMERA
+        depends on SOC_CAMERA && I2C
        select GPIO_PCA953X if MT9V022_PCA9536_SWITCH
        help
          This driver supports MT9V022 cameras from Micron
diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile
index a352c6e31f0c..dff0d6abe917 100644
--- a/drivers/media/video/Makefile
+++ b/drivers/media/video/Makefile
@@ -84,7 +84,7 @@ obj-$(CONFIG_VIDEO_HEXIUM_GEMINI) += hexium_gemini.o
 obj-$(CONFIG_VIDEO_DPC) += dpc7146.o
 obj-$(CONFIG_TUNER_3036) += tuner-3036.o
-obj-$(CONFIG_MEDIA_TUNER) += tuner.o
+obj-$(CONFIG_VIDEO_TUNER) += tuner.o
 obj-$(CONFIG_VIDEOBUF_GEN) += videobuf-core.o
 obj-$(CONFIG_VIDEOBUF_DMA_SG) += videobuf-dma-sg.o
diff --git a/drivers/media/video/au0828/Kconfig b/drivers/media/video/au0828/Kconfig
index cab277fafa63..def10d086373 100644
--- a/drivers/media/video/au0828/Kconfig
+++ b/drivers/media/video/au0828/Kconfig
@@ -1,8 +1,9 @@
 config VIDEO_AU0828
        tristate "Auvitek AU0828 support"
-       depends on VIDEO_DEV && I2C && INPUT && DVB_CORE
+        depends on VIDEO_DEV && I2C && INPUT && DVB_CORE && USB
        select I2C_ALGOBIT
+        select VIDEO_TVEEPROM
        select DVB_AU8522 if !DVB_FE_CUSTOMIZE
        select MEDIA_TUNER_XC5000 if !DVB_FE_CUSTOMIZE
        ---help---
diff --git a/drivers/media/video/au0828/au0828-dvb.c b/drivers/media/video/au0828/au0828-dvb.c
index 1371b4e4b5f1..c86a5f17eca8 100644
--- a/drivers/media/video/au0828/au0828-dvb.c
+++ b/drivers/media/video/au0828/au0828-dvb.c
@@ -337,12 +337,10 @@ int au0828_dvb_register(struct au0828_dev *dev)
                dvb->frontend = dvb_attach(au8522_attach,
                                &hauppauge_hvr950q_config,
                                &dev->i2c_adap);
-                if (dvb->frontend != NULL) {
+                if (dvb->frontend != NULL)
-                        hauppauge_hvr950q_tunerconfig.priv = dev;
                        dvb_attach(xc5000_attach, dvb->frontend,
                                &dev->i2c_adap,
-                                &hauppauge_hvr950q_tunerconfig);
+                                &hauppauge_hvr950q_tunerconfig, dev);
-                }
                break;
        default:
                printk(KERN_WARNING "The frontend of your DVB/ATSC card "
diff --git a/drivers/media/video/bt8xx/Kconfig b/drivers/media/video/bt8xx/Kconfig
index 7431ef6de9f1..24a34fc1f2b3 100644
--- a/drivers/media/video/bt8xx/Kconfig
+++ b/drivers/media/video/bt8xx/Kconfig
@@ -1,12 +1,13 @@
 config VIDEO_BT848
        tristate "BT848 Video For Linux"
        depends on VIDEO_DEV && PCI && I2C && VIDEO_V4L2 && INPUT
+        depends on HOTPLUG      # due to FW_LOADER
        select I2C_ALGOBIT
        select FW_LOADER
        select VIDEO_BTCX
        select VIDEOBUF_DMA_SG
        select VIDEO_IR
-        select MEDIA_TUNER
+        select VIDEO_TUNER
        select VIDEO_TVEEPROM
        select VIDEO_MSP3400 if VIDEO_HELPER_CHIPS_AUTO
        select VIDEO_TVAUDIO if VIDEO_HELPER_CHIPS_AUTO
diff --git a/drivers/media/video/cx18/Kconfig b/drivers/media/video/cx18/Kconfig
index acc4b47f1d1d..5f942690570c 100644
--- a/drivers/media/video/cx18/Kconfig
+++ b/drivers/media/video/cx18/Kconfig
@@ -1,14 +1,17 @@
 config VIDEO_CX18
        tristate "Conexant cx23418 MPEG encoder support"
        depends on VIDEO_V4L2 && DVB_CORE && PCI && I2C && EXPERIMENTAL
+        depends on INPUT        # due to VIDEO_IR
+        depends on HOTPLUG      # due to FW_LOADER
        select I2C_ALGOBIT
        select FW_LOADER
        select VIDEO_IR
-        select MEDIA_TUNER
+        select VIDEO_TUNER
        select VIDEO_TVEEPROM
        select VIDEO_CX2341X
        select VIDEO_CS5345
        select DVB_S5H1409
+        select MEDIA_TUNER_MXL5005S
        ---help---
          This is a video4linux driver for Conexant cx23418 based
          PCI combo video recorder devices.
diff --git a/drivers/media/video/cx18/cx18-cards.c b/drivers/media/video/cx18/cx18-cards.c
index f5e3ba1f5354..553adbf2cd44 100644
--- a/drivers/media/video/cx18/cx18-cards.c
+++ b/drivers/media/video/cx18/cx18-cards.c
@@ -47,11 +47,12 @@ static struct cx18_card_tuner_i2c cx18_i2c_std = {
 static const struct cx18_card cx18_card_hvr1600_esmt = {
        .type = CX18_CARD_HVR_1600_ESMT,
        .name = "Hauppauge HVR-1600",
-        .comment = "DVB & VBI are not yet supported\n",
+        .comment = "VBI is not yet supported\n",
        .v4l2_capabilities = CX18_CAP_ENCODER,
        .hw_audio_ctrl = CX18_HW_CX23418,
        .hw_muxer = CX18_HW_CS5345,
-        .hw_all = CX18_HW_TVEEPROM | CX18_HW_TUNER | CX18_HW_CS5345,
+        .hw_all = CX18_HW_TVEEPROM | CX18_HW_TUNER |
+                  CX18_HW_CS5345 | CX18_HW_DVB,
        .video_inputs = {
                { CX18_CARD_INPUT_VID_TUNER,  0, CX23418_COMPOSITE7 },
                { CX18_CARD_INPUT_SVIDEO1,    1, CX23418_SVIDEO1    },
@@ -86,11 +87,12 @@ static const struct cx18_card cx18_card_hvr1600_esmt = {
 static const struct cx18_card cx18_card_hvr1600_samsung = {
        .type = CX18_CARD_HVR_1600_SAMSUNG,
        .name = "Hauppauge HVR-1600 (Preproduction)",
-        .comment = "DVB & VBI are not yet supported\n",
+        .comment = "VBI is not yet supported\n",
        .v4l2_capabilities = CX18_CAP_ENCODER,
        .hw_audio_ctrl = CX18_HW_CX23418,
        .hw_muxer = CX18_HW_CS5345,
-        .hw_all = CX18_HW_TVEEPROM | CX18_HW_TUNER | CX18_HW_CS5345,
+        .hw_all = CX18_HW_TVEEPROM | CX18_HW_TUNER |
+                  CX18_HW_CS5345 | CX18_HW_DVB,
        .video_inputs = {
                { CX18_CARD_INPUT_VID_TUNER,  0, CX23418_COMPOSITE7 },
                { CX18_CARD_INPUT_SVIDEO1,    1, CX23418_SVIDEO1    },
@@ -134,14 +136,15 @@ static const struct cx18_card_pci_info cx18_pci_h900[] = {
 static const struct cx18_card cx18_card_h900 = {
        .type = CX18_CARD_COMPRO_H900,
        .name = "Compro VideoMate H900",
-        .comment = "Not yet supported!\n",
+        .comment = "DVB & VBI are not yet supported\n",
-        .v4l2_capabilities = 0,
+        .v4l2_capabilities = CX18_CAP_ENCODER,
        .hw_audio_ctrl = CX18_HW_CX23418,
        .hw_all = CX18_HW_TUNER,
        .video_inputs = {
-                { CX18_CARD_INPUT_VID_TUNER,  0, CX23418_COMPOSITE7 },
+                { CX18_CARD_INPUT_VID_TUNER,  0, CX23418_COMPOSITE2 },
-                { CX18_CARD_INPUT_SVIDEO1,    1, CX23418_SVIDEO1    },
+                { CX18_CARD_INPUT_SVIDEO1,    1,
-                { CX18_CARD_INPUT_COMPOSITE1, 1, CX23418_COMPOSITE3 },
+                        CX23418_SVIDEO_LUMA3 | CX23418_SVIDEO_CHROMA4 },
+                { CX18_CARD_INPUT_COMPOSITE1, 1, CX23418_COMPOSITE1 },
        },
        .audio_inputs = {
                { CX18_CARD_INPUT_AUD_TUNER,
@@ -163,6 +166,7 @@ static const struct cx18_card cx18_card_h900 = {
                .tune_lane = 0,
                .initial_emrs = 0,
        },
+        .xceive_pin = 15,
        .pci_list = cx18_pci_h900,
        .i2c = &cx18_i2c_std,
 };
@@ -200,8 +204,6 @@ static const struct cx18_card cx18_card_mpc718 = {
                /* XC3028 tuner */
                { .std = V4L2_STD_ALL, .tuner = TUNER_XC2028 },
        },
-        /* tuner reset */
-        .gpio_init = { .direction = 0x1000, .initial_value = 0x1000 },
        .ddr = {
                /* Probably Samsung K4D263238G-VC33 memory */
                .chip_config = 0x003,
@@ -211,6 +213,7 @@ static const struct cx18_card cx18_card_mpc718 = {
                .tune_lane = 0,
                .initial_emrs = 2,
        },
+        .xceive_pin = 15,
        .pci_list = cx18_pci_mpc718,
        .i2c = &cx18_i2c_std,
 };
diff --git a/drivers/media/video/cx18/cx18-cards.h b/drivers/media/video/cx18/cx18-cards.h
index bca249bdd337..bccb67f0db16 100644
--- a/drivers/media/video/cx18/cx18-cards.h
+++ b/drivers/media/video/cx18/cx18-cards.h
@@ -114,8 +114,8 @@ struct cx18_card_pci_info {
 /* The mask is the set of bits used by the operation */
 struct cx18_gpio_init { /* set initial GPIO DIR and OUT values */
-        u16 direction;  /* DIR setting. Leave to 0 if no init is needed */
+        u32 direction;  /* DIR setting. Leave to 0 if no init is needed */
-        u16 initial_value;
+        u32 initial_value;
 };
 struct cx18_card_tuner {
@@ -153,6 +153,7 @@ struct cx18_card {
        struct cx18_card_audio_input radio_input;
        /* GPIO card-specific settings */
+        u8 xceive_pin;          /* XCeive tuner GPIO reset pin */
        struct cx18_gpio_init           gpio_init;
        struct cx18_card_tuner tuners[CX18_CARD_MAX_TUNERS];
diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c
index 3f55d47bc4b9..0dd4e0529970 100644
--- a/drivers/media/video/cx18/cx18-driver.c
+++ b/drivers/media/video/cx18/cx18-driver.c
@@ -164,16 +164,6 @@ MODULE_LICENSE("GPL");
 MODULE_VERSION(CX18_VERSION);
-int cx18_waitq(wait_queue_head_t *waitq)
-{
-        DEFINE_WAIT(wait);
-        prepare_to_wait(waitq, &wait, TASK_INTERRUPTIBLE);
-        schedule();
-        finish_wait(waitq, &wait);
-        return signal_pending(current) ? -EINTR : 0;
-}
 /* Generic utility functions */
 int cx18_msleep_timeout(unsigned int msecs, int intr)
 {
@@ -220,13 +210,13 @@ static void cx18_process_eeprom(struct cx18 *cx)
        /* Many thanks to Steven Toth from Hauppauge for providing the
           model numbers */
+        /* Note: the Samsung memory models cannot be reliably determined
+           from the model number. Use the cardtype module option if you
+           have one of these preproduction models. */
        switch (tv.model) {
-        case 74000 ... 74099:
+        case 74000 ... 74999:
                cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
                break;
-        case 74700 ... 74799:
-                cx->card = cx18_get_card(CX18_CARD_HVR_1600_SAMSUNG);
-                break;
        case 0:
                CX18_ERR("Invalid EEPROM\n");
                return;
@@ -548,6 +538,7 @@ static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *dev,
        return 0;
 }
+#ifdef MODULE
 static u32 cx18_request_module(struct cx18 *cx, u32 hw,
                const char *name, u32 id)
 {
@@ -560,12 +551,14 @@ static u32 cx18_request_module(struct cx18 *cx, u32 hw,
        CX18_DEBUG_INFO("Loaded module %s\n", name);
        return hw;
 }
+#endif
 static void cx18_load_and_init_modules(struct cx18 *cx)
 {
        u32 hw = cx->card->hw_all;
        int i;
+#ifdef MODULE
        /* load modules */
 #ifndef CONFIG_MEDIA_TUNER
        hw = cx18_request_module(cx, hw, "tuner", CX18_HW_TUNER);
@@ -573,6 +566,7 @@ static void cx18_load_and_init_modules(struct cx18 *cx)
 #ifndef CONFIG_VIDEO_CS5345
        hw = cx18_request_module(cx, hw, "cs5345", CX18_HW_CS5345);
 #endif
+#endif
        /* check which i2c devices are actually found */
        for (i = 0; i < 32; i++) {
@@ -801,7 +795,7 @@ static int __devinit cx18_probe(struct pci_dev *dev,
        return 0;
 free_streams:
-        cx18_streams_cleanup(cx);
+        cx18_streams_cleanup(cx, 1);
 free_irq:
        free_irq(cx->dev->irq, (void *)cx);
 free_i2c:
@@ -904,14 +898,13 @@ static void cx18_remove(struct pci_dev *pci_dev)
        cx18_halt_firmware(cx);
-        cx18_streams_cleanup(cx);
+        cx18_streams_cleanup(cx, 1);
        exit_cx18_i2c(cx);
        free_irq(cx->dev->irq, (void *)cx);
-        if (cx->dev)
+        cx18_iounmap(cx);
-                cx18_iounmap(cx);
        release_mem_region(cx->base_addr, CX18_MEM_SIZE);
diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h
index 2ee939193bb7..a2a6c58d12fe 100644
--- a/drivers/media/video/cx18/cx18-driver.h
+++ b/drivers/media/video/cx18/cx18-driver.h
@@ -444,9 +444,6 @@ extern spinlock_t cx18_cards_lock;
 /* Return non-zero if a signal is pending */
 int cx18_msleep_timeout(unsigned int msecs, int intr);
-/* Wait on queue, returns -EINTR if interrupted */
-int cx18_waitq(wait_queue_head_t *waitq);
 /* Read Hauppauge eeprom */
 struct tveeprom; /* forward reference */
 void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv);
diff --git a/drivers/media/video/cx18/cx18-dvb.c b/drivers/media/video/cx18/cx18-dvb.c
index 65efe69d939a..c9744173f969 100644
--- a/drivers/media/video/cx18/cx18-dvb.c
+++ b/drivers/media/video/cx18/cx18-dvb.c
@@ -24,25 +24,27 @@
 #include "cx18-streams.h"
 #include "cx18-cards.h"
 #include "s5h1409.h"
+#include "mxl5005s.h"
-/* Wait until the MXL500X driver is merged */
-#ifdef HAVE_MXL500X
-#include "mxl500x.h"
-#endif
 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 #define CX18_REG_DMUX_NUM_PORT_0_CONTROL 0xd5a000
-#ifdef HAVE_MXL500X
+static struct mxl5005s_config hauppauge_hvr1600_tuner = {
-static struct mxl500x_config hauppauge_hvr1600_tuner = {
+        .i2c_address     = 0xC6 >> 1,
-        .delsys    = MXL500x_MODE_ATSC,
+        .if_freq         = IF_FREQ_5380000HZ,
-        .octf      = MXL500x_OCTF_CH,
+        .xtal_freq       = CRYSTAL_FREQ_16000000HZ,
-        .xtal_freq = 16000000,
+        .agc_mode        = MXL_SINGLE_AGC,
-        .iflo_freq = 5380000,
+        .tracking_filter = MXL_TF_C_H,
-        .ref_freq  = 322800000,
+        .rssi_enable     = MXL_RSSI_ENABLE,
-        .rssi_ena  = MXL_RSSI_ENABLE,
+        .cap_select      = MXL_CAP_SEL_ENABLE,
-        .addr      = 0xC6 >> 1,
+        .div_out         = MXL_DIV_OUT_4,
+        .clock_out       = MXL_CLOCK_OUT_DISABLE,
+        .output_load     = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
+        .top             = MXL5005S_TOP_25P2,
+        .mod_mode        = MXL_DIGITAL_MODE,
+        .if_mode         = MXL_ZERO_IF,
+        .AgcMasterByte   = 0x00,
 };
 static struct s5h1409_config hauppauge_hvr1600_config = {
@@ -55,7 +57,6 @@ static struct s5h1409_config hauppauge_hvr1600_config = {
        .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK
 };
-#endif
 static int dvb_register(struct cx18_stream *stream);
@@ -252,21 +253,18 @@ static int dvb_register(struct cx18_stream *stream)
        int ret = 0;
        switch (cx->card->type) {
-/* Wait until the MXL500X driver is merged */
-#ifdef HAVE_MXL500X
        case CX18_CARD_HVR_1600_ESMT:
        case CX18_CARD_HVR_1600_SAMSUNG:
                dvb->fe = dvb_attach(s5h1409_attach,
                        &hauppauge_hvr1600_config,
                        &cx->i2c_adap[0]);
                if (dvb->fe != NULL) {
-                        dvb_attach(mxl500x_attach, dvb->fe,
+                        dvb_attach(mxl5005s_attach, dvb->fe,
-                                &hauppauge_hvr1600_tuner,
+                                &cx->i2c_adap[0],
-                                &cx->i2c_adap[0]);
+                                &hauppauge_hvr1600_tuner);
                        ret = 0;
                }
                break;
-#endif
        default:
                /* No Digital Tv Support */
                break;
diff --git a/drivers/media/video/cx18/cx18-fileops.c b/drivers/media/video/cx18/cx18-fileops.c
index 69303065a294..0b3141db174b 100644
--- a/drivers/media/video/cx18/cx18-fileops.c
+++ b/drivers/media/video/cx18/cx18-fileops.c
@@ -39,7 +39,7 @@
   associated VBI streams are also automatically claimed.
   Possible error returns: -EBUSY if someone else has claimed
   the stream or 0 on success. */
-int cx18_claim_stream(struct cx18_open_id *id, int type)
+static int cx18_claim_stream(struct cx18_open_id *id, int type)
 {
        struct cx18 *cx = id->cx;
        struct cx18_stream *s = &cx->streams[type];
@@ -87,7 +87,7 @@ int cx18_claim_stream(struct cx18_open_id *id, int type)
 /* This function releases a previously claimed stream. It will take into
   account associated VBI streams. */
-void cx18_release_stream(struct cx18_stream *s)
+static void cx18_release_stream(struct cx18_stream *s)
 {
        struct cx18 *cx = s->cx;
        struct cx18_stream *s_vbi;
@@ -662,6 +662,8 @@ int cx18_v4l2_open(struct inode *inode, struct file *filp)
        for (x = 0; cx == NULL && x < cx18_cards_active; x++) {
                /* find out which stream this open was on */
                for (y = 0; y < CX18_MAX_STREAMS; y++) {
+                        if (cx18_cards[x] == NULL)
+                                continue;
                        s = &cx18_cards[x]->streams[y];
                        if (s->v4l2dev && s->v4l2dev->minor == minor) {
                                cx = cx18_cards[x];
diff --git a/drivers/media/video/cx18/cx18-fileops.h b/drivers/media/video/cx18/cx18-fileops.h
index 16cdafbd24c5..46da0282fc7d 100644
--- a/drivers/media/video/cx18/cx18-fileops.h
+++ b/drivers/media/video/cx18/cx18-fileops.h
@@ -34,12 +34,3 @@ void cx18_stop_capture(struct cx18_open_id *id, int gop_end);
 void cx18_mute(struct cx18 *cx);
 void cx18_unmute(struct cx18 *cx);
-/* Utilities */
-/* Try to claim a stream for the filehandle. Return 0 on success,
-   -EBUSY if stream already claimed. Once a stream is claimed, it
-   remains claimed until the associated filehandle is closed. */
-int cx18_claim_stream(struct cx18_open_id *id, int type);
-/* Release a previously claimed stream. */
-void cx18_release_stream(struct cx18_stream *s);
diff --git a/drivers/media/video/cx18/cx18-gpio.c b/drivers/media/video/cx18/cx18-gpio.c
index 19253e6b8673..bb8bc86086d0 100644
--- a/drivers/media/video/cx18/cx18-gpio.c
+++ b/drivers/media/video/cx18/cx18-gpio.c
@@ -35,6 +35,9 @@
 #define CX18_REG_GPIO_OUT2   0xc78104
 #define CX18_REG_GPIO_DIR2   0xc7810c
+static u32 gpio_dir;
+static u32 gpio_val;
 /*
 * HVR-1600 GPIO pins, courtesy of Hauppauge:
 *
@@ -44,31 +47,53 @@
 * gpio13: cs5345 reset pin
 */
+static void gpio_write(struct cx18 *cx)
+{
+        write_reg((gpio_dir & 0xffff) << 16, CX18_REG_GPIO_DIR1);
+        write_reg(((gpio_dir & 0xffff) << 16) | (gpio_val & 0xffff),
+                        CX18_REG_GPIO_OUT1);
+        write_reg(gpio_dir & 0xffff0000, CX18_REG_GPIO_DIR2);
+        write_reg((gpio_dir & 0xffff0000) | ((gpio_val & 0xffff0000) >> 16),
+                        CX18_REG_GPIO_OUT2);
+}
 void cx18_gpio_init(struct cx18 *cx)
 {
-        if (cx->card->gpio_init.direction == 0)
+        gpio_dir = cx->card->gpio_init.direction;
+        gpio_val = cx->card->gpio_init.initial_value;
+        if (gpio_dir == 0)
                return;
-        CX18_DEBUG_INFO("GPIO initial dir: %08x out: %08x\n",
+        gpio_dir |= 1 << cx->card->xceive_pin;
-                   read_reg(CX18_REG_GPIO_DIR1), read_reg(CX18_REG_GPIO_OUT1));
+        gpio_val |= 1 << cx->card->xceive_pin;
-        /* init output data then direction */
+        CX18_DEBUG_INFO("GPIO initial dir: %08x/%08x out: %08x/%08x\n",
-        write_reg(cx->card->gpio_init.direction << 16, CX18_REG_GPIO_DIR1);
+                   read_reg(CX18_REG_GPIO_DIR1), read_reg(CX18_REG_GPIO_DIR2),
-        write_reg(0, CX18_REG_GPIO_DIR2);
+                   read_reg(CX18_REG_GPIO_OUT1), read_reg(CX18_REG_GPIO_OUT2));
-        write_reg((cx->card->gpio_init.direction << 16) |
-                        cx->card->gpio_init.initial_value, CX18_REG_GPIO_OUT1);
+        gpio_write(cx);
-        write_reg(0, CX18_REG_GPIO_OUT2);
 }
 /* Xceive tuner reset function */
 int cx18_reset_tuner_gpio(void *dev, int cmd, int value)
 {
        struct i2c_algo_bit_data *algo = dev;
-        struct cx18 *cx = algo->data;
+        struct cx18_i2c_algo_callback_data *cb_data = algo->data;
-/*      int curdir, curout;*/
+        struct cx18 *cx = cb_data->cx;
        if (cmd != XC2028_TUNER_RESET)
                return 0;
        CX18_DEBUG_INFO("Resetting tuner\n");
+        gpio_dir |= 1 << cx->card->xceive_pin;
+        gpio_val &= ~(1 << cx->card->xceive_pin);
+        gpio_write(cx);
+        schedule_timeout_interruptible(msecs_to_jiffies(1));
+        gpio_val |= 1 << cx->card->xceive_pin;
+        gpio_write(cx);
+        schedule_timeout_interruptible(msecs_to_jiffies(1));
        return 0;
 }
diff --git a/drivers/media/video/cx18/cx18-i2c.c b/drivers/media/video/cx18/cx18-i2c.c
index 18c88d1e4833..4f08a4058d1a 100644
--- a/drivers/media/video/cx18/cx18-i2c.c
+++ b/drivers/media/video/cx18/cx18-i2c.c
@@ -25,6 +25,7 @@
 #include "cx18-cards.h"
 #include "cx18-gpio.h"
 #include "cx18-av-core.h"
+#include "cx18-i2c.h"
 #include <media/ir-kbd-i2c.h>
diff --git a/drivers/media/video/cx18/cx18-queue.c b/drivers/media/video/cx18/cx18-queue.c
index 65af1bb507ca..6990b77c6200 100644
--- a/drivers/media/video/cx18/cx18-queue.c
+++ b/drivers/media/video/cx18/cx18-queue.c
@@ -26,17 +26,6 @@
 #include "cx18-queue.h"
 #include "cx18-scb.h"
-int cx18_buf_copy_from_user(struct cx18_stream *s, struct cx18_buffer *buf,
-                const char __user *src, int copybytes)
-{
-        if (s->buf_size - buf->bytesused < copybytes)
-                copybytes = s->buf_size - buf->bytesused;
-        if (copy_from_user(buf->buf + buf->bytesused, src, copybytes))
-                return -EFAULT;
-        buf->bytesused += copybytes;
-        return copybytes;
-}
 void cx18_buf_swap(struct cx18_buffer *buf)
 {
        int i;
@@ -159,8 +148,9 @@ static void cx18_queue_move_buf(struct cx18_stream *s, struct cx18_queue *from,
   -ENOMEM is returned if the buffers could not be obtained, 0 if all
   buffers where obtained from the 'from' list and if non-zero then
   the number of stolen buffers is returned. */
-int cx18_queue_move(struct cx18_stream *s, struct cx18_queue *from,
+static int cx18_queue_move(struct cx18_stream *s, struct cx18_queue *from,
-        struct cx18_queue *steal, struct cx18_queue *to, int needed_bytes)
+                           struct cx18_queue *steal, struct cx18_queue *to,
+                           int needed_bytes)
 {
        unsigned long flags;
        int rc = 0;
@@ -239,12 +229,12 @@ int cx18_stream_alloc(struct cx18_stream *s)
        /* allocate stream buffers. Initially all buffers are in q_free. */
        for (i = 0; i < s->buffers; i++) {
-                struct cx18_buffer *buf =
+                struct cx18_buffer *buf = kzalloc(sizeof(struct cx18_buffer),
-                        kzalloc(sizeof(struct cx18_buffer), GFP_KERNEL);
+                                                GFP_KERNEL|__GFP_NOWARN);
                if (buf == NULL)
                        break;
-                buf->buf = kmalloc(s->buf_size, GFP_KERNEL);
+                buf->buf = kmalloc(s->buf_size, GFP_KERNEL|__GFP_NOWARN);
                if (buf->buf == NULL) {
                        kfree(buf);
                        break;
diff --git a/drivers/media/video/cx18/cx18-queue.h b/drivers/media/video/cx18/cx18-queue.h
index f86c8a6fa6e7..91423b9863a4 100644
--- a/drivers/media/video/cx18/cx18-queue.h
+++ b/drivers/media/video/cx18/cx18-queue.h
@@ -39,8 +39,6 @@ static inline void cx18_buf_sync_for_device(struct cx18_stream *s,
                                s->buf_size, s->dma);
 }
-int cx18_buf_copy_from_user(struct cx18_stream *s, struct cx18_buffer *buf,
-        const char __user *src, int copybytes);
 void cx18_buf_swap(struct cx18_buffer *buf);
 /* cx18_queue utility functions */
@@ -48,8 +46,6 @@ void cx18_queue_init(struct cx18_queue *q);
 void cx18_enqueue(struct cx18_stream *s, struct cx18_buffer *buf,
        struct cx18_queue *q);
 struct cx18_buffer *cx18_dequeue(struct cx18_stream *s, struct cx18_queue *q);
-int cx18_queue_move(struct cx18_stream *s, struct cx18_queue *from,
-       struct cx18_queue *steal, struct cx18_queue *to, int needed_bytes);
 struct cx18_buffer *cx18_queue_find_buf(struct cx18_stream *s, u32 id,
        u32 bytesused);
 void cx18_flush_queues(struct cx18_stream *s);
diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c
index afb141b2027a..4ca9d847f1b1 100644
--- a/drivers/media/video/cx18/cx18-streams.c
+++ b/drivers/media/video/cx18/cx18-streams.c
@@ -218,7 +218,7 @@ int cx18_streams_setup(struct cx18 *cx)
                return 0;
        /* One or more streams could not be initialized. Clean 'em all up. */
-        cx18_streams_cleanup(cx);
+        cx18_streams_cleanup(cx, 0);
        return -ENOMEM;
 }
@@ -296,12 +296,12 @@ int cx18_streams_register(struct cx18 *cx)
                return 0;
        /* One or more streams could not be initialized. Clean 'em all up. */
-        cx18_streams_cleanup(cx);
+        cx18_streams_cleanup(cx, 1);
        return -ENOMEM;
 }
 /* Unregister v4l2 devices */
-void cx18_streams_cleanup(struct cx18 *cx)
+void cx18_streams_cleanup(struct cx18 *cx, int unregister)
 {
        struct video_device *vdev;
        int type;
@@ -319,8 +319,11 @@ void cx18_streams_cleanup(struct cx18 *cx)
                cx18_stream_free(&cx->streams[type]);
-                /* Unregister device */
+                /* Unregister or release device */
-                video_unregister_device(vdev);
+                if (unregister)
+                        video_unregister_device(vdev);
+                else
+                        video_device_release(vdev);
        }
 }
diff --git a/drivers/media/video/cx18/cx18-streams.h b/drivers/media/video/cx18/cx18-streams.h
index 8c7ba7d2fa79..f327e947b24f 100644
--- a/drivers/media/video/cx18/cx18-streams.h
+++ b/drivers/media/video/cx18/cx18-streams.h
@@ -24,7 +24,7 @@
 u32 cx18_find_handle(struct cx18 *cx);
 int cx18_streams_setup(struct cx18 *cx);
 int cx18_streams_register(struct cx18 *cx);
-void cx18_streams_cleanup(struct cx18 *cx);
+void cx18_streams_cleanup(struct cx18 *cx, int unregister);
 /* Capture related */
 int cx18_start_v4l2_encode_stream(struct cx18_stream *s);
diff --git a/drivers/media/video/cx23885/Kconfig b/drivers/media/video/cx23885/Kconfig
index cadf936c3673..7bf14c9a15c7 100644
--- a/drivers/media/video/cx23885/Kconfig
+++ b/drivers/media/video/cx23885/Kconfig
@@ -1,18 +1,20 @@
 config VIDEO_CX23885
        tristate "Conexant cx23885 (2388x successor) support"
        depends on DVB_CORE && VIDEO_DEV && PCI && I2C && INPUT
+        depends on HOTPLUG      # due to FW_LOADER
        select I2C_ALGOBIT
        select FW_LOADER
        select VIDEO_BTCX
-        select MEDIA_TUNER
+        select VIDEO_TUNER
        select VIDEO_TVEEPROM
        select VIDEO_IR
        select VIDEOBUF_DVB
        select VIDEO_CX25840
+        select VIDEO_CX2341X
+        select DVB_DIB7000P if !DVB_FE_CUSTOMISE
        select MEDIA_TUNER_MT2131 if !DVB_FE_CUSTOMISE
        select DVB_S5H1409 if !DVB_FE_CUSTOMISE
        select DVB_LGDT330X if !DVB_FE_CUSTOMISE
-        select DVB_PLL if !DVB_FE_CUSTOMISE
        select MEDIA_TUNER_XC2028 if !DVB_FE_CUSTOMIZE
        select MEDIA_TUNER_TDA8290 if !DVB_FE_CUSTOMIZE
        select MEDIA_TUNER_TDA18271 if !DVB_FE_CUSTOMIZE
diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c
index 6ebf58724a01..20e05f230546 100644
--- a/drivers/media/video/cx23885/cx23885-cards.c
+++ b/drivers/media/video/cx23885/cx23885-cards.c
@@ -200,6 +200,10 @@ struct cx23885_subid cx23885_subids[] = {
                .card      = CX23885_BOARD_HAUPPAUGE_HVR1200,
        }, {
                .subvendor = 0x0070,
+                .subdevice = 0x71d3,
+                .card      = CX23885_BOARD_HAUPPAUGE_HVR1200,
+        }, {
+                .subvendor = 0x0070,
                .subdevice = 0x8101,
                .card      = CX23885_BOARD_HAUPPAUGE_HVR1700,
        }, {
@@ -245,6 +249,33 @@ static void hauppauge_eeprom(struct cx23885_dev *dev, u8 *eeprom_data)
        /* Make sure we support the board model */
        switch (tv.model)
        {
+        case 71009:
+                /* WinTV-HVR1200 (PCIe, Retail, full height)
+                 * DVB-T and basic analog */
+        case 71359:
+                /* WinTV-HVR1200 (PCIe, OEM, half height)
+                 * DVB-T and basic analog */
+        case 71439:
+                /* WinTV-HVR1200 (PCIe, OEM, half height)
+                 * DVB-T and basic analog */
+        case 71449:
+                /* WinTV-HVR1200 (PCIe, OEM, full height)
+                 * DVB-T and basic analog */
+        case 71939:
+                /* WinTV-HVR1200 (PCIe, OEM, half height)
+                 * DVB-T and basic analog */
+        case 71949:
+                /* WinTV-HVR1200 (PCIe, OEM, full height)
+                 * DVB-T and basic analog */
+        case 71959:
+                /* WinTV-HVR1200 (PCIe, OEM, full height)
+                 * DVB-T and basic analog */
+        case 71979:
+                /* WinTV-HVR1200 (PCIe, OEM, half height)
+                 * DVB-T and basic analog */
+        case 71999:
+                /* WinTV-HVR1200 (PCIe, OEM, full height)
+                 * DVB-T and basic analog */
        case 76601: /* WinTV-HVR1800lp (PCIe, Retail, No IR, Dual channel ATSC and MPEG2 HW Encoder */
        case 77001: /* WinTV-HVR1500 (Express Card, OEM, No IR, ATSC and Basic analog */
        case 77011: /* WinTV-HVR1500 (Express Card, Retail, No IR, ATSC and Basic analog */
@@ -263,8 +294,11 @@ static void hauppauge_eeprom(struct cx23885_dev *dev, u8 *eeprom_data)
        case 80019:
                /* WinTV-HVR1400 (Express Card, Retail, IR,
                 * DVB-T and Basic analog */
+        case 81509:
+                /* WinTV-HVR1700 (PCIe, OEM, No IR, half height)
+                 * DVB-T and MPEG2 HW Encoder */
        case 81519:
-                /* WinTV-HVR1700 (PCIe, Retail, No IR, half height,
+                /* WinTV-HVR1700 (PCIe, OEM, No IR, full height)
                 * DVB-T and MPEG2 HW Encoder */
                break;
        default:
diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c
index f05649727b60..022aa391937a 100644
--- a/drivers/media/video/cx23885/cx23885-dvb.c
+++ b/drivers/media/video/cx23885/cx23885-dvb.c
@@ -37,7 +37,6 @@
 #include "lgdt330x.h"
 #include "xc5000.h"
 #include "tda10048.h"
-#include "dvb-pll.h"
 #include "tuner-xc2028.h"
 #include "tuner-simple.h"
 #include "dib7000p.h"
@@ -385,12 +384,10 @@ static int dvb_register(struct cx23885_tsport *port)
                port->dvb.frontend = dvb_attach(s5h1409_attach,
                                                &hauppauge_hvr1500q_config,
                                                &dev->i2c_bus[0].i2c_adap);
-                if (port->dvb.frontend != NULL) {
+                if (port->dvb.frontend != NULL)
-                        hauppauge_hvr1500q_tunerconfig.priv = i2c_bus;
                        dvb_attach(xc5000_attach, port->dvb.frontend,
                                &i2c_bus->i2c_adap,
-                                &hauppauge_hvr1500q_tunerconfig);
+                                &hauppauge_hvr1500q_tunerconfig, i2c_bus);
-                }
                break;
        case CX23885_BOARD_HAUPPAUGE_HVR1500:
                i2c_bus = &dev->i2c_bus[1];
diff --git a/drivers/media/video/cx25840/Kconfig b/drivers/media/video/cx25840/Kconfig
index 7cf29a03ed63..448f4cd0ce34 100644
--- a/drivers/media/video/cx25840/Kconfig
+++ b/drivers/media/video/cx25840/Kconfig
@@ -1,6 +1,7 @@
 config VIDEO_CX25840
        tristate "Conexant CX2584x audio/video decoders"
        depends on VIDEO_V4L2 && I2C && EXPERIMENTAL
+        depends on HOTPLUG # due to FW_LOADER
        select FW_LOADER
        ---help---
          Support for the Conexant CX2584x audio/video decoders.
diff --git a/drivers/media/video/cx88/Kconfig b/drivers/media/video/cx88/Kconfig
index b0d7d6a7a4cc..10e20d8196dc 100644
--- a/drivers/media/video/cx88/Kconfig
+++ b/drivers/media/video/cx88/Kconfig
@@ -2,10 +2,9 @@ config VIDEO_CX88
        tristate "Conexant 2388x (bt878 successor) support"
        depends on VIDEO_DEV && PCI && I2C && INPUT
        select I2C_ALGOBIT
-        select FW_LOADER
        select VIDEO_BTCX
        select VIDEOBUF_DMA_SG
-        select MEDIA_TUNER
+        select VIDEO_TUNER
        select VIDEO_TVEEPROM
        select VIDEO_IR
        select VIDEO_WM8775 if VIDEO_HELPER_CHIPS_AUTO
@@ -34,8 +33,9 @@ config VIDEO_CX88_ALSA
 config VIDEO_CX88_BLACKBIRD
        tristate "Blackbird MPEG encoder support (cx2388x + cx23416)"
-        depends on VIDEO_CX88
+        depends on VIDEO_CX88 && HOTPLUG
        select VIDEO_CX2341X
+        select FW_LOADER
        ---help---
          This adds support for MPEG encoder cards based on the
          Blackbird reference design, using the Conexant 2388x
diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c
index 1c7fe6862a60..d96173ff1dba 100644
--- a/drivers/media/video/cx88/cx88-dvb.c
+++ b/drivers/media/video/cx88/cx88-dvb.c
@@ -509,9 +509,6 @@ static int attach_xc3028(u8 addr, struct cx8802_dev *dev)
        if (!fe) {
                printk(KERN_ERR "%s/2: xc3028 attach failed\n",
                       dev->core->name);
-                dvb_frontend_detach(dev->dvb.frontend);
-                dvb_unregister_frontend(dev->dvb.frontend);
-                dev->dvb.frontend = NULL;
                return -EINVAL;
        }
@@ -523,20 +520,23 @@ static int attach_xc3028(u8 addr, struct cx8802_dev *dev)
 static int dvb_register(struct cx8802_dev *dev)
 {
+        struct cx88_core *core = dev->core;
        /* init struct videobuf_dvb */
-        dev->dvb.name = dev->core->name;
+        dev->dvb.name = core->name;
        dev->ts_gen_cntrl = 0x0c;
        /* init frontend */
-        switch (dev->core->boardnr) {
+        switch (core->boardnr) {
        case CX88_BOARD_HAUPPAUGE_DVB_T1:
                dev->dvb.frontend = dvb_attach(cx22702_attach,
                                               &connexant_refboard_config,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (dev->dvb.frontend != NULL) {
-                        dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
+                        if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend,
-                                   &dev->core->i2c_adap,
+                                        0x61, &core->i2c_adap,
-                                   DVB_PLL_THOMSON_DTT759X);
+                                        DVB_PLL_THOMSON_DTT759X))
+                                goto frontend_detach;
                }
                break;
        case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
@@ -545,11 +545,12 @@ static int dvb_register(struct cx8802_dev *dev)
        case CX88_BOARD_WINFAST_DTV1000:
                dev->dvb.frontend = dvb_attach(cx22702_attach,
                                               &connexant_refboard_config,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (dev->dvb.frontend != NULL) {
-                        dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x60,
+                        if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend,
-                                   &dev->core->i2c_adap,
+                                        0x60, &core->i2c_adap,
-                                   DVB_PLL_THOMSON_DTT7579);
+                                        DVB_PLL_THOMSON_DTT7579))
+                                goto frontend_detach;
                }
                break;
        case CX88_BOARD_WINFAST_DTV2000H:
@@ -559,29 +560,32 @@ static int dvb_register(struct cx8802_dev *dev)
        case CX88_BOARD_HAUPPAUGE_HVR3000:
                dev->dvb.frontend = dvb_attach(cx22702_attach,
                                               &hauppauge_hvr_config,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (dev->dvb.frontend != NULL) {
-                        dvb_attach(simple_tuner_attach, dev->dvb.frontend,
+                        if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend,
-                                   &dev->core->i2c_adap, 0x61,
+                                   &core->i2c_adap, 0x61,
-                                   TUNER_PHILIPS_FMD1216ME_MK3);
+                                   TUNER_PHILIPS_FMD1216ME_MK3))
+                                goto frontend_detach;
                }
                break;
        case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS:
                dev->dvb.frontend = dvb_attach(mt352_attach,
                                               &dvico_fusionhdtv,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (dev->dvb.frontend != NULL) {
-                        dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x60,
+                        if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend,
-                                   NULL, DVB_PLL_THOMSON_DTT7579);
+                                        0x60, NULL, DVB_PLL_THOMSON_DTT7579))
+                                goto frontend_detach;
                        break;
                }
                /* ZL10353 replaces MT352 on later cards */
                dev->dvb.frontend = dvb_attach(zl10353_attach,
                                               &dvico_fusionhdtv_plus_v1_1,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (dev->dvb.frontend != NULL) {
-                        dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x60,
+                        if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend,
-                                   NULL, DVB_PLL_THOMSON_DTT7579);
+                                        0x60, NULL, DVB_PLL_THOMSON_DTT7579))
+                                goto frontend_detach;
                }
                break;
        case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL:
@@ -589,28 +593,31 @@ static int dvb_register(struct cx8802_dev *dev)
                 * compatible, with a slightly different MT352 AGC gain. */
                dev->dvb.frontend = dvb_attach(mt352_attach,
                                               &dvico_fusionhdtv_dual,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (dev->dvb.frontend != NULL) {
-                        dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
+                        if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend,
-                                   NULL, DVB_PLL_THOMSON_DTT7579);
+                                        0x61, NULL, DVB_PLL_THOMSON_DTT7579))
+                                goto frontend_detach;
                        break;
                }
                /* ZL10353 replaces MT352 on later cards */
                dev->dvb.frontend = dvb_attach(zl10353_attach,
                                               &dvico_fusionhdtv_plus_v1_1,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (dev->dvb.frontend != NULL) {
-                        dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
+                        if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend,
-                                   NULL, DVB_PLL_THOMSON_DTT7579);
+                                        0x61, NULL, DVB_PLL_THOMSON_DTT7579))
+                                goto frontend_detach;
                }
                break;
        case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T1:
                dev->dvb.frontend = dvb_attach(mt352_attach,
                                               &dvico_fusionhdtv,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (dev->dvb.frontend != NULL) {
-                        dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
+                        if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend,
-                                   NULL, DVB_PLL_LG_Z201);
+                                        0x61, NULL, DVB_PLL_LG_Z201))
+                                goto frontend_detach;
                }
                break;
        case CX88_BOARD_KWORLD_DVB_T:
@@ -618,10 +625,11 @@ static int dvb_register(struct cx8802_dev *dev)
        case CX88_BOARD_ADSTECH_DVB_T_PCI:
                dev->dvb.frontend = dvb_attach(mt352_attach,
                                               &dntv_live_dvbt_config,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (dev->dvb.frontend != NULL) {
-                        dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
+                        if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend,
-                                   NULL, DVB_PLL_UNKNOWN_1);
+                                        0x61, NULL, DVB_PLL_UNKNOWN_1))
+                                goto frontend_detach;
                }
                break;
        case CX88_BOARD_DNTV_LIVE_DVB_T_PRO:
@@ -630,32 +638,35 @@ static int dvb_register(struct cx8802_dev *dev)
                dev->dvb.frontend = dvb_attach(mt352_attach, &dntv_live_dvbt_pro_config,
                                               &dev->vp3054->adap);
                if (dev->dvb.frontend != NULL) {
-                        dvb_attach(simple_tuner_attach, dev->dvb.frontend,
+                        if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend,
-                                   &dev->core->i2c_adap, 0x61,
+                                        &core->i2c_adap, 0x61,
-                                   TUNER_PHILIPS_FMD1216ME_MK3);
+                                        TUNER_PHILIPS_FMD1216ME_MK3))
+                                goto frontend_detach;
                }
 #else
-                printk(KERN_ERR "%s/2: built without vp3054 support\n", dev->core->name);
+                printk(KERN_ERR "%s/2: built without vp3054 support\n",
+                                core->name);
 #endif
                break;
        case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_HYBRID:
                dev->dvb.frontend = dvb_attach(zl10353_attach,
                                               &dvico_fusionhdtv_hybrid,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (dev->dvb.frontend != NULL) {
-                        dvb_attach(simple_tuner_attach, dev->dvb.frontend,
+                        if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend,
-                                   &dev->core->i2c_adap, 0x61,
+                                   &core->i2c_adap, 0x61,
-                                   TUNER_THOMSON_FE6600);
+                                   TUNER_THOMSON_FE6600))
+                                goto frontend_detach;
                }
                break;
        case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PRO:
                dev->dvb.frontend = dvb_attach(zl10353_attach,
                                               &dvico_fusionhdtv_xc3028,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (dev->dvb.frontend == NULL)
                        dev->dvb.frontend = dvb_attach(mt352_attach,
                                                &dvico_fusionhdtv_mt352_xc3028,
-                                                &dev->core->i2c_adap);
+                                                &core->i2c_adap);
                /*
                 * On this board, the demod provides the I2C bus pullup.
                 * We must not permit gate_ctrl to be performed, or
@@ -668,19 +679,18 @@ static int dvb_register(struct cx8802_dev *dev)
                break;
        case CX88_BOARD_PCHDTV_HD3000:
                dev->dvb.frontend = dvb_attach(or51132_attach, &pchdtv_hd3000,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (dev->dvb.frontend != NULL) {
-                        dvb_attach(simple_tuner_attach, dev->dvb.frontend,
+                        if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend,
-                                   &dev->core->i2c_adap, 0x61,
+                                        &core->i2c_adap, 0x61,
-                                   TUNER_THOMSON_DTT761X);
+                                        TUNER_THOMSON_DTT761X))
+                                goto frontend_detach;
                }
                break;
        case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q:
                dev->ts_gen_cntrl = 0x08;
-                {
-                /* Do a hardware reset of chip before using it. */
-                struct cx88_core *core = dev->core;
+                /* Do a hardware reset of chip before using it. */
                cx_clear(MO_GP0_IO, 1);
                mdelay(100);
                cx_set(MO_GP0_IO, 1);
@@ -690,139 +700,137 @@ static int dvb_register(struct cx8802_dev *dev)
                fusionhdtv_3_gold.pll_rf_set = lgdt330x_pll_rf_set;
                dev->dvb.frontend = dvb_attach(lgdt330x_attach,
                                               &fusionhdtv_3_gold,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (dev->dvb.frontend != NULL) {
-                        dvb_attach(simple_tuner_attach, dev->dvb.frontend,
+                        if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend,
-                                   &dev->core->i2c_adap, 0x61,
+                                        &core->i2c_adap, 0x61,
-                                   TUNER_MICROTUNE_4042FI5);
+                                        TUNER_MICROTUNE_4042FI5))
-                }
+                                goto frontend_detach;
                }
                break;
        case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T:
                dev->ts_gen_cntrl = 0x08;
-                {
-                /* Do a hardware reset of chip before using it. */
-                struct cx88_core *core = dev->core;
+                /* Do a hardware reset of chip before using it. */
                cx_clear(MO_GP0_IO, 1);
                mdelay(100);
                cx_set(MO_GP0_IO, 9);
                mdelay(200);
                dev->dvb.frontend = dvb_attach(lgdt330x_attach,
                                               &fusionhdtv_3_gold,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (dev->dvb.frontend != NULL) {
-                        dvb_attach(simple_tuner_attach, dev->dvb.frontend,
+                        if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend,
-                                   &dev->core->i2c_adap, 0x61,
+                                        &core->i2c_adap, 0x61,
-                                   TUNER_THOMSON_DTT761X);
+                                        TUNER_THOMSON_DTT761X))
-                }
+                                goto frontend_detach;
                }
                break;
        case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
                dev->ts_gen_cntrl = 0x08;
-                {
-                /* Do a hardware reset of chip before using it. */
-                struct cx88_core *core = dev->core;
+                /* Do a hardware reset of chip before using it. */
                cx_clear(MO_GP0_IO, 1);
                mdelay(100);
                cx_set(MO_GP0_IO, 1);
                mdelay(200);
                dev->dvb.frontend = dvb_attach(lgdt330x_attach,
                                               &fusionhdtv_5_gold,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (dev->dvb.frontend != NULL) {
-                        dvb_attach(simple_tuner_attach, dev->dvb.frontend,
+                        if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend,
-                                   &dev->core->i2c_adap, 0x61,
+                                        &core->i2c_adap, 0x61,
-                                   TUNER_LG_TDVS_H06XF);
+                                        TUNER_LG_TDVS_H06XF))
-                        dvb_attach(tda9887_attach, dev->dvb.frontend,
+                                goto frontend_detach;
-                                   &dev->core->i2c_adap, 0x43);
+                        if (!dvb_attach(tda9887_attach, dev->dvb.frontend,
-                }
+                                   &core->i2c_adap, 0x43))
+                                goto frontend_detach;
                }
                break;
        case CX88_BOARD_PCHDTV_HD5500:
                dev->ts_gen_cntrl = 0x08;
-                {
-                /* Do a hardware reset of chip before using it. */
-                struct cx88_core *core = dev->core;
+                /* Do a hardware reset of chip before using it. */
                cx_clear(MO_GP0_IO, 1);
                mdelay(100);
                cx_set(MO_GP0_IO, 1);
                mdelay(200);
                dev->dvb.frontend = dvb_attach(lgdt330x_attach,
                                               &pchdtv_hd5500,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (dev->dvb.frontend != NULL) {
-                        dvb_attach(simple_tuner_attach, dev->dvb.frontend,
+                        if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend,
-                                   &dev->core->i2c_adap, 0x61,
+                                        &core->i2c_adap, 0x61,
-                                   TUNER_LG_TDVS_H06XF);
+                                        TUNER_LG_TDVS_H06XF))
-                        dvb_attach(tda9887_attach, dev->dvb.frontend,
+                                goto frontend_detach;
-                                   &dev->core->i2c_adap, 0x43);
+                        if (!dvb_attach(tda9887_attach, dev->dvb.frontend,
-                }
+                                   &core->i2c_adap, 0x43))
+                                goto frontend_detach;
                }
                break;
        case CX88_BOARD_ATI_HDTVWONDER:
                dev->dvb.frontend = dvb_attach(nxt200x_attach,
                                               &ati_hdtvwonder,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (dev->dvb.frontend != NULL) {
-                        dvb_attach(simple_tuner_attach, dev->dvb.frontend,
+                        if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend,
-                                   &dev->core->i2c_adap, 0x61,
+                                        &core->i2c_adap, 0x61,
-                                   TUNER_PHILIPS_TUV1236D);
+                                        TUNER_PHILIPS_TUV1236D))
+                                goto frontend_detach;
                }
                break;
        case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
        case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
                dev->dvb.frontend = dvb_attach(cx24123_attach,
                                               &hauppauge_novas_config,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (dev->dvb.frontend) {
-                        dvb_attach(isl6421_attach, dev->dvb.frontend,
+                        if (!dvb_attach(isl6421_attach, dev->dvb.frontend,
-                                   &dev->core->i2c_adap, 0x08, 0x00, 0x00);
+                                        &core->i2c_adap, 0x08, 0x00, 0x00))
+                                goto frontend_detach;
                }
                break;
        case CX88_BOARD_KWORLD_DVBS_100:
                dev->dvb.frontend = dvb_attach(cx24123_attach,
                                               &kworld_dvbs_100_config,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (dev->dvb.frontend) {
-                        dev->core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage;
+                        core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage;
                        dev->dvb.frontend->ops.set_voltage = kworld_dvbs_100_set_voltage;
                }
                break;
        case CX88_BOARD_GENIATECH_DVBS:
                dev->dvb.frontend = dvb_attach(cx24123_attach,
                                               &geniatech_dvbs_config,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (dev->dvb.frontend) {
-                        dev->core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage;
+                        core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage;
                        dev->dvb.frontend->ops.set_voltage = geniatech_dvbs_set_voltage;
                }
                break;
        case CX88_BOARD_PINNACLE_PCTV_HD_800i:
                dev->dvb.frontend = dvb_attach(s5h1409_attach,
                                               &pinnacle_pctv_hd_800i_config,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (dev->dvb.frontend != NULL) {
                        /* tuner_config.video_dev must point to
                         * i2c_adap.algo_data
                         */
-                        pinnacle_pctv_hd_800i_tuner_config.priv =
+                        if (!dvb_attach(xc5000_attach, dev->dvb.frontend,
-                                                dev->core->i2c_adap.algo_data;
+                                        &core->i2c_adap,
-                        dvb_attach(xc5000_attach, dev->dvb.frontend,
+                                        &pinnacle_pctv_hd_800i_tuner_config,
-                                   &dev->core->i2c_adap,
+                                        core->i2c_adap.algo_data))
-                                   &pinnacle_pctv_hd_800i_tuner_config);
+                                goto frontend_detach;
                }
                break;
        case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
                dev->dvb.frontend = dvb_attach(s5h1409_attach,
                                                &dvico_hdtv5_pci_nano_config,
-                                                &dev->core->i2c_adap);
+                                                &core->i2c_adap);
                if (dev->dvb.frontend != NULL) {
                        struct dvb_frontend *fe;
                        struct xc2028_config cfg = {
-                                .i2c_adap  = &dev->core->i2c_adap,
+                                .i2c_adap  = &core->i2c_adap,
                                .i2c_addr  = 0x61,
                                .callback  = cx88_pci_nano_callback,
                        };
@@ -841,50 +849,50 @@ static int dvb_register(struct cx8802_dev *dev)
         case CX88_BOARD_PINNACLE_HYBRID_PCTV:
                dev->dvb.frontend = dvb_attach(zl10353_attach,
                                               &cx88_geniatech_x8000_mt,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (attach_xc3028(0x61, dev) < 0)
-                        return -EINVAL;
+                        goto frontend_detach;
                break;
         case CX88_BOARD_GENIATECH_X8000_MT:
                dev->ts_gen_cntrl = 0x00;
                dev->dvb.frontend = dvb_attach(zl10353_attach,
                                               &cx88_geniatech_x8000_mt,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (attach_xc3028(0x61, dev) < 0)
-                        return -EINVAL;
+                        goto frontend_detach;
                break;
         case CX88_BOARD_KWORLD_ATSC_120:
                dev->dvb.frontend = dvb_attach(s5h1409_attach,
                                               &kworld_atsc_120_config,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (attach_xc3028(0x61, dev) < 0)
-                        return -EINVAL;
+                        goto frontend_detach;
                break;
        case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD:
                dev->dvb.frontend = dvb_attach(s5h1411_attach,
                                               &dvico_fusionhdtv7_config,
-                                               &dev->core->i2c_adap);
+                                               &core->i2c_adap);
                if (dev->dvb.frontend != NULL) {
                        /* tuner_config.video_dev must point to
                         * i2c_adap.algo_data
                         */
-                        dvico_fusionhdtv7_tuner_config.priv =
+                        if (!dvb_attach(xc5000_attach, dev->dvb.frontend,
-                                                dev->core->i2c_adap.algo_data;
+                                        &core->i2c_adap,
-                        dvb_attach(xc5000_attach, dev->dvb.frontend,
+                                        &dvico_fusionhdtv7_tuner_config,
-                                   &dev->core->i2c_adap,
+                                        core->i2c_adap.algo_data))
-                                   &dvico_fusionhdtv7_tuner_config);
+                                goto frontend_detach;
                }
                break;
        default:
                printk(KERN_ERR "%s/2: The frontend of your DVB/ATSC card isn't supported yet\n",
-                       dev->core->name);
+                       core->name);
                break;
        }
        if (NULL == dev->dvb.frontend) {
                printk(KERN_ERR
                       "%s/2: frontend initialization failed\n",
-                       dev->core->name);
+                       core->name);
                return -EINVAL;
        }
@@ -892,11 +900,18 @@ static int dvb_register(struct cx8802_dev *dev)
        dev->dvb.frontend->ops.ts_bus_ctrl = cx88_dvb_bus_ctrl;
        /* Put the analog decoder in standby to keep it quiet */
-        cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
+        cx88_call_i2c_clients(core, TUNER_SET_STANDBY, NULL);
        /* register everything */
        return videobuf_dvb_register(&dev->dvb, THIS_MODULE, dev,
                                     &dev->pci->dev, adapter_nr);
+frontend_detach:
+        if (dev->dvb.frontend) {
+                dvb_frontend_detach(dev->dvb.frontend);
+                dev->dvb.frontend = NULL;
+        }
+        return -EINVAL;
 }
 /* ----------------------------------------------------------- */
diff --git a/drivers/media/video/em28xx/Kconfig b/drivers/media/video/em28xx/Kconfig
index c7c2896bbd8b..16a5af30e9d1 100644
--- a/drivers/media/video/em28xx/Kconfig
+++ b/drivers/media/video/em28xx/Kconfig
@@ -1,7 +1,7 @@
 config VIDEO_EM28XX
        tristate "Empia EM28xx USB video capture support"
        depends on VIDEO_DEV && I2C && INPUT
-        select MEDIA_TUNER
+        select VIDEO_TUNER
        select VIDEO_TVEEPROM
        select VIDEO_IR
        select VIDEOBUF_VMALLOC
@@ -35,7 +35,6 @@ config VIDEO_EM28XX_DVB
        select DVB_LGDT330X if !DVB_FE_CUSTOMISE
        select DVB_ZL10353 if !DVB_FE_CUSTOMISE
        select VIDEOBUF_DVB
-        select FW_LOADER
        ---help---
          This adds support for DVB cards based on the
          Empiatech em28xx chips.
diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index 50ccf3771204..3e4f3c7e92e7 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -420,7 +420,13 @@ struct usb_device_id em28xx_id_table [] = {
                        .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 },
        { USB_DEVICE(0x2040, 0x6502),
                        .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 },
-        { USB_DEVICE(0x2040, 0x6513),
+        { USB_DEVICE(0x2040, 0x6513), /* HCW HVR-980 */
+                        .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950 },
+        { USB_DEVICE(0x2040, 0x6517), /* HP  HVR-950 */
+                        .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950 },
+        { USB_DEVICE(0x2040, 0x651b), /* RP  HVR-950 */
+                        .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950 },
+        { USB_DEVICE(0x2040, 0x651f), /* HCW HVR-850 */
                        .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950 },
        { USB_DEVICE(0x0ccd, 0x0042),
                        .driver_info = EM2880_BOARD_TERRATEC_HYBRID_XS },
diff --git a/drivers/media/video/em28xx/em28xx-dvb.c b/drivers/media/video/em28xx/em28xx-dvb.c
index 7df81575b7f2..8cf4983f0039 100644
--- a/drivers/media/video/em28xx/em28xx-dvb.c
+++ b/drivers/media/video/em28xx/em28xx-dvb.c
@@ -251,7 +251,6 @@ static int attach_xc3028(u8 addr, struct em28xx *dev)
                printk(KERN_ERR "%s/2: xc3028 attach failed\n",
                       dev->name);
                dvb_frontend_detach(dev->dvb->frontend);
-                dvb_unregister_frontend(dev->dvb->frontend);
                dev->dvb->frontend = NULL;
                return -EINVAL;
        }
diff --git a/drivers/media/video/ivtv/Kconfig b/drivers/media/video/ivtv/Kconfig
index eec115bf9517..5d7ee8fcdd50 100644
--- a/drivers/media/video/ivtv/Kconfig
+++ b/drivers/media/video/ivtv/Kconfig
@@ -1,10 +1,12 @@
 config VIDEO_IVTV
        tristate "Conexant cx23416/cx23415 MPEG encoder/decoder support"
        depends on VIDEO_V4L1 && VIDEO_V4L2 && PCI && I2C && EXPERIMENTAL
+        depends on INPUT   # due to VIDEO_IR
+        depends on HOTPLUG # due to FW_LOADER
        select I2C_ALGOBIT
        select FW_LOADER
        select VIDEO_IR
-        select MEDIA_TUNER
+        select VIDEO_TUNER
        select VIDEO_TVEEPROM
        select VIDEO_CX2341X
        select VIDEO_CX25840
diff --git a/drivers/media/video/ivtv/ivtv-controls.c b/drivers/media/video/ivtv/ivtv-controls.c
index 8c02fa661591..c7e449f6397b 100644
--- a/drivers/media/video/ivtv/ivtv-controls.c
+++ b/drivers/media/video/ivtv/ivtv-controls.c
@@ -181,12 +181,12 @@ static int ivtv_setup_vbi_fmt(struct ivtv *itv, enum v4l2_mpeg_stream_vbi_fmt fm
                return 0;
        }
        /* Need sliced data for mpeg insertion */
-        if (get_service_set(itv->vbi.sliced_in) == 0) {
+        if (ivtv_get_service_set(itv->vbi.sliced_in) == 0) {
                if (itv->is_60hz)
                        itv->vbi.sliced_in->service_set = V4L2_SLICED_CAPTION_525;
                else
                        itv->vbi.sliced_in->service_set = V4L2_SLICED_WSS_625;
-                expand_service_set(itv->vbi.sliced_in, itv->is_50hz);
+                ivtv_expand_service_set(itv->vbi.sliced_in, itv->is_50hz);
        }
        return 0;
 }
diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c
index ed020f722b05..797e636771da 100644
--- a/drivers/media/video/ivtv/ivtv-driver.c
+++ b/drivers/media/video/ivtv/ivtv-driver.c
@@ -853,6 +853,7 @@ static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *dev,
        return 0;
 }
+#ifdef MODULE
 static u32 ivtv_request_module(struct ivtv *itv, u32 hw,
                const char *name, u32 id)
 {
@@ -865,12 +866,14 @@ static u32 ivtv_request_module(struct ivtv *itv, u32 hw,
        IVTV_DEBUG_INFO("Loaded module %s\n", name);
        return hw;
 }
+#endif
 static void ivtv_load_and_init_modules(struct ivtv *itv)
 {
        u32 hw = itv->card->hw_all;
        unsigned i;
+#ifdef MODULE
        /* load modules */
 #ifndef CONFIG_MEDIA_TUNER
        hw = ivtv_request_module(itv, hw, "tuner", IVTV_HW_TUNER);
@@ -911,6 +914,7 @@ static void ivtv_load_and_init_modules(struct ivtv *itv)
 #ifndef CONFIG_VIDEO_M52790
        hw = ivtv_request_module(itv, hw, "m52790", IVTV_HW_M52790);
 #endif
+#endif
        /* check which i2c devices are actually found */
        for (i = 0; i < 32; i++) {
@@ -1228,7 +1232,7 @@ static int __devinit ivtv_probe(struct pci_dev *dev,
        return 0;
 free_streams:
-        ivtv_streams_cleanup(itv);
+        ivtv_streams_cleanup(itv, 1);
 free_irq:
        free_irq(itv->dev->irq, (void *)itv);
 free_i2c:
@@ -1373,7 +1377,7 @@ static void ivtv_remove(struct pci_dev *pci_dev)
        flush_workqueue(itv->irq_work_queues);
        destroy_workqueue(itv->irq_work_queues);
-        ivtv_streams_cleanup(itv);
+        ivtv_streams_cleanup(itv, 1);
        ivtv_udma_free(itv);
        exit_ivtv_i2c(itv);
diff --git a/drivers/media/video/ivtv/ivtv-fileops.c b/drivers/media/video/ivtv/ivtv-fileops.c
index 2b74b0ab1477..f2fa434b677b 100644
--- a/drivers/media/video/ivtv/ivtv-fileops.c
+++ b/drivers/media/video/ivtv/ivtv-fileops.c
@@ -987,6 +987,8 @@ int ivtv_v4l2_open(struct inode *inode, struct file *filp)
        /* Find which card this open was on */
        spin_lock(&ivtv_cards_lock);
        for (x = 0; itv == NULL && x < ivtv_cards_active; x++) {
+                if (ivtv_cards[x] == NULL)
+                        continue;
                /* find out which stream this open was on */
                for (y = 0; y < IVTV_MAX_STREAMS; y++) {
                        s = &ivtv_cards[x]->streams[y];
diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c
index d508b5d0538c..26cc0f6699fd 100644
--- a/drivers/media/video/ivtv/ivtv-ioctl.c
+++ b/drivers/media/video/ivtv/ivtv-ioctl.c
@@ -38,7 +38,7 @@
 #include <linux/dvb/audio.h>
 #include <linux/i2c-id.h>
-u16 service2vbi(int type)
+u16 ivtv_service2vbi(int type)
 {
        switch (type) {
                case V4L2_SLICED_TELETEXT_B:
@@ -88,7 +88,7 @@ static u16 select_service_from_set(int field, int line, u16 set, int is_pal)
        return 0;
 }
-void expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
+void ivtv_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
 {
        u16 set = fmt->service_set;
        int f, l;
@@ -115,7 +115,7 @@ static int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
        return set != 0;
 }
-u16 get_service_set(struct v4l2_sliced_vbi_format *fmt)
+u16 ivtv_get_service_set(struct v4l2_sliced_vbi_format *fmt)
 {
        int f, l;
        u16 set = 0;
@@ -466,7 +466,7 @@ static int ivtv_get_fmt(struct ivtv *itv, int streamtype, struct v4l2_format *fm
                        vbifmt->service_lines[0][23] = V4L2_SLICED_WSS_625;
                        vbifmt->service_lines[0][16] = V4L2_SLICED_VPS;
                }
-                vbifmt->service_set = get_service_set(vbifmt);
+                vbifmt->service_set = ivtv_get_service_set(vbifmt);
                break;
        }
@@ -481,12 +481,12 @@ static int ivtv_get_fmt(struct ivtv *itv, int streamtype, struct v4l2_format *fm
                if (streamtype == IVTV_DEC_STREAM_TYPE_VBI) {
                        vbifmt->service_set = itv->is_50hz ? V4L2_SLICED_VBI_625 :
                                                 V4L2_SLICED_VBI_525;
-                        expand_service_set(vbifmt, itv->is_50hz);
+                        ivtv_expand_service_set(vbifmt, itv->is_50hz);
                        break;
                }
                itv->video_dec_func(itv, VIDIOC_G_FMT, fmt);
-                vbifmt->service_set = get_service_set(vbifmt);
+                vbifmt->service_set = ivtv_get_service_set(vbifmt);
                break;
        }
        case V4L2_BUF_TYPE_VBI_OUTPUT:
@@ -640,9 +640,9 @@ static int ivtv_try_or_set_fmt(struct ivtv *itv, int streamtype,
        memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved));
        if (vbifmt->service_set)
-                expand_service_set(vbifmt, itv->is_50hz);
+                ivtv_expand_service_set(vbifmt, itv->is_50hz);
        set = check_service_set(vbifmt, itv->is_50hz);
-        vbifmt->service_set = get_service_set(vbifmt);
+        vbifmt->service_set = ivtv_get_service_set(vbifmt);
        if (!set_fmt)
                return 0;
diff --git a/drivers/media/video/ivtv/ivtv-ioctl.h b/drivers/media/video/ivtv/ivtv-ioctl.h
index a03351b6853d..4e67f0ed1fc0 100644
--- a/drivers/media/video/ivtv/ivtv-ioctl.h
+++ b/drivers/media/video/ivtv/ivtv-ioctl.h
@@ -21,9 +21,9 @@
 #ifndef IVTV_IOCTL_H
 #define IVTV_IOCTL_H
-u16 service2vbi(int type);
+u16 ivtv_service2vbi(int type);
-void expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal);
+void ivtv_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal);
-u16 get_service_set(struct v4l2_sliced_vbi_format *fmt);
+u16 ivtv_get_service_set(struct v4l2_sliced_vbi_format *fmt);
 int ivtv_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
                    unsigned long arg);
 int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void *arg);
diff --git a/drivers/media/video/ivtv/ivtv-queue.c b/drivers/media/video/ivtv/ivtv-queue.c
index 3e1deec67a5e..fc8b1eaa333b 100644
--- a/drivers/media/video/ivtv/ivtv-queue.c
+++ b/drivers/media/video/ivtv/ivtv-queue.c
@@ -203,14 +203,14 @@ int ivtv_stream_alloc(struct ivtv_stream *s)
                s->dma != PCI_DMA_NONE ? "DMA " : "",
                s->name, s->buffers, s->buf_size, s->buffers * s->buf_size / 1024);
-        s->sg_pending = kzalloc(SGsize, GFP_KERNEL);
+        s->sg_pending = kzalloc(SGsize, GFP_KERNEL|__GFP_NOWARN);
        if (s->sg_pending == NULL) {
                IVTV_ERR("Could not allocate sg_pending for %s stream\n", s->name);
                return -ENOMEM;
        }
        s->sg_pending_size = 0;
-        s->sg_processing = kzalloc(SGsize, GFP_KERNEL);
+        s->sg_processing = kzalloc(SGsize, GFP_KERNEL|__GFP_NOWARN);
        if (s->sg_processing == NULL) {
                IVTV_ERR("Could not allocate sg_processing for %s stream\n", s->name);
                kfree(s->sg_pending);
@@ -219,7 +219,8 @@ int ivtv_stream_alloc(struct ivtv_stream *s)
        }
        s->sg_processing_size = 0;
-        s->sg_dma = kzalloc(sizeof(struct ivtv_sg_element), GFP_KERNEL);
+        s->sg_dma = kzalloc(sizeof(struct ivtv_sg_element),
+                                        GFP_KERNEL|__GFP_NOWARN);
        if (s->sg_dma == NULL) {
                IVTV_ERR("Could not allocate sg_dma for %s stream\n", s->name);
                kfree(s->sg_pending);
@@ -235,11 +236,12 @@ int ivtv_stream_alloc(struct ivtv_stream *s)
        /* allocate stream buffers. Initially all buffers are in q_free. */
        for (i = 0; i < s->buffers; i++) {
-                struct ivtv_buffer *buf = kzalloc(sizeof(struct ivtv_buffer), GFP_KERNEL);
+                struct ivtv_buffer *buf = kzalloc(sizeof(struct ivtv_buffer),
+                                                GFP_KERNEL|__GFP_NOWARN);
                if (buf == NULL)
                        break;
-                buf->buf = kmalloc(s->buf_size + 256, GFP_KERNEL);
+                buf->buf = kmalloc(s->buf_size + 256, GFP_KERNEL|__GFP_NOWARN);
                if (buf->buf == NULL) {
                        kfree(buf);
                        break;
diff --git a/drivers/media/video/ivtv/ivtv-streams.c b/drivers/media/video/ivtv/ivtv-streams.c
index 4ab8d36831ba..c47c2b945147 100644
--- a/drivers/media/video/ivtv/ivtv-streams.c
+++ b/drivers/media/video/ivtv/ivtv-streams.c
@@ -244,7 +244,7 @@ int ivtv_streams_setup(struct ivtv *itv)
                return 0;
        /* One or more streams could not be initialized. Clean 'em all up. */
-        ivtv_streams_cleanup(itv);
+        ivtv_streams_cleanup(itv, 0);
        return -ENOMEM;
 }
@@ -304,12 +304,12 @@ int ivtv_streams_register(struct ivtv *itv)
                return 0;
        /* One or more streams could not be initialized. Clean 'em all up. */
-        ivtv_streams_cleanup(itv);
+        ivtv_streams_cleanup(itv, 1);
        return -ENOMEM;
 }
 /* Unregister v4l2 devices */
-void ivtv_streams_cleanup(struct ivtv *itv)
+void ivtv_streams_cleanup(struct ivtv *itv, int unregister)
 {
        int type;
@@ -322,8 +322,11 @@ void ivtv_streams_cleanup(struct ivtv *itv)
                        continue;
                ivtv_stream_free(&itv->streams[type]);
-                /* Unregister device */
+                /* Unregister or release device */
-                video_unregister_device(vdev);
+                if (unregister)
+                        video_unregister_device(vdev);
+                else
+                        video_device_release(vdev);
        }
 }
diff --git a/drivers/media/video/ivtv/ivtv-streams.h b/drivers/media/video/ivtv/ivtv-streams.h
index 3d76a415fbd8..a653a5136417 100644
--- a/drivers/media/video/ivtv/ivtv-streams.h
+++ b/drivers/media/video/ivtv/ivtv-streams.h
@@ -23,7 +23,7 @@
 int ivtv_streams_setup(struct ivtv *itv);
 int ivtv_streams_register(struct ivtv *itv);
-void ivtv_streams_cleanup(struct ivtv *itv);
+void ivtv_streams_cleanup(struct ivtv *itv, int unregister);
 /* Capture related */
 int ivtv_start_v4l2_encode_stream(struct ivtv_stream *s);
diff --git a/drivers/media/video/ivtv/ivtv-vbi.c b/drivers/media/video/ivtv/ivtv-vbi.c
index c151bcf5519a..71798f0da27f 100644
--- a/drivers/media/video/ivtv/ivtv-vbi.c
+++ b/drivers/media/video/ivtv/ivtv-vbi.c
@@ -169,7 +169,8 @@ static void copy_vbi_data(struct ivtv *itv, int lines, u32 pts_stamp)
                        linemask[0] |= (1 << l);
                else
                        linemask[1] |= (1 << (l - 32));
-                dst[sd + 12 + line * 43] = service2vbi(itv->vbi.sliced_data[i].id);
+                dst[sd + 12 + line * 43] =
+                        ivtv_service2vbi(itv->vbi.sliced_data[i].id);
                memcpy(dst + sd + 12 + line * 43 + 1, itv->vbi.sliced_data[i].data, 42);
                line++;
        }
diff --git a/drivers/media/video/ivtv/ivtv-yuv.c b/drivers/media/video/ivtv/ivtv-yuv.c
index 62f70bd5e3cb..a9417f6e4087 100644
--- a/drivers/media/video/ivtv/ivtv-yuv.c
+++ b/drivers/media/video/ivtv/ivtv-yuv.c
@@ -908,7 +908,7 @@ static void ivtv_yuv_init(struct ivtv *itv)
        }
        /* We need a buffer for blanking when Y plane is offset - non-fatal if we can't get one */
-        yi->blanking_ptr = kzalloc(720 * 16, GFP_KERNEL);
+        yi->blanking_ptr = kzalloc(720 * 16, GFP_KERNEL|__GFP_NOWARN);
        if (yi->blanking_ptr) {
                yi->blanking_dmaptr = pci_map_single(itv->dev, yi->blanking_ptr, 720*16, PCI_DMA_TODEVICE);
        } else {
diff --git a/drivers/media/video/ivtv/ivtvfb.c b/drivers/media/video/ivtv/ivtvfb.c
index df789f683e63..73be154f7f05 100644
--- a/drivers/media/video/ivtv/ivtvfb.c
+++ b/drivers/media/video/ivtv/ivtvfb.c
@@ -948,7 +948,8 @@ static int ivtvfb_init_vidmode(struct ivtv *itv)
        }
        /* Allocate the pseudo palette */
-        oi->ivtvfb_info.pseudo_palette = kmalloc(sizeof(u32) * 16, GFP_KERNEL);
+        oi->ivtvfb_info.pseudo_palette =
+                kmalloc(sizeof(u32) * 16, GFP_KERNEL|__GFP_NOWARN);
        if (!oi->ivtvfb_info.pseudo_palette) {
                IVTVFB_ERR("abort, unable to alloc pseudo pallete\n");
@@ -1056,7 +1057,8 @@ static int ivtvfb_init_card(struct ivtv *itv)
                return -EBUSY;
        }
-        itv->osd_info = kzalloc(sizeof(struct osd_info), GFP_ATOMIC);
+        itv->osd_info = kzalloc(sizeof(struct osd_info),
+                                        GFP_ATOMIC|__GFP_NOWARN);
        if (itv->osd_info == NULL) {
                IVTVFB_ERR("Failed to allocate memory for osd_info\n");
                return -ENOMEM;
diff --git a/drivers/media/video/mt9m001.c b/drivers/media/video/mt9m001.c
index 179e47049a45..ee43499544c1 100644
--- a/drivers/media/video/mt9m001.c
+++ b/drivers/media/video/mt9m001.c
@@ -12,15 +12,12 @@
 #include <linux/slab.h>
 #include <linux/i2c.h>
 #include <linux/log2.h>
+#include <linux/gpio.h>
 #include <media/v4l2-common.h>
 #include <media/v4l2-chip-ident.h>
 #include <media/soc_camera.h>
-#ifdef CONFIG_MT9M001_PCA9536_SWITCH
-#include <asm/gpio.h>
-#endif
 /* mt9m001 i2c address 0x5d
 * The platform has to define i2c_board_info
 * and call i2c_register_board_info() */
diff --git a/drivers/media/video/mt9v022.c b/drivers/media/video/mt9v022.c
index d1391ac55096..1658fe590392 100644
--- a/drivers/media/video/mt9v022.c
+++ b/drivers/media/video/mt9v022.c
@@ -13,15 +13,12 @@
 #include <linux/i2c.h>
 #include <linux/delay.h>
 #include <linux/log2.h>
+#include <linux/gpio.h>
 #include <media/v4l2-common.h>
 #include <media/v4l2-chip-ident.h>
 #include <media/soc_camera.h>
-#ifdef CONFIG_MT9M001_PCA9536_SWITCH
-#include <asm/gpio.h>
-#endif
 /* mt9v022 i2c address 0x48, 0x4c, 0x58, 0x5c
 * The platform has to define i2c_board_info
 * and call i2c_register_board_info() */
@@ -91,7 +88,7 @@ static const struct soc_camera_data_format mt9v022_monochrome_formats[] = {
 struct mt9v022 {
        struct i2c_client *client;
        struct soc_camera_device icd;
-        int model;      /* V4L2_IDENT_MT9M001* codes from v4l2-chip-ident.h */
+        int model;      /* V4L2_IDENT_MT9V022* codes from v4l2-chip-ident.h */
        int switch_gpio;
        u16 chip_control;
        unsigned char datawidth;
diff --git a/drivers/media/video/pvrusb2/Kconfig b/drivers/media/video/pvrusb2/Kconfig
index 9620c67fae77..4482b2c72ced 100644
--- a/drivers/media/video/pvrusb2/Kconfig
+++ b/drivers/media/video/pvrusb2/Kconfig
@@ -1,8 +1,10 @@
 config VIDEO_PVRUSB2
        tristate "Hauppauge WinTV-PVR USB2 support"
        depends on VIDEO_V4L2 && I2C
+        depends on VIDEO_MEDIA  # Avoids pvrusb = Y / DVB = M
+        depends on HOTPLUG      # due to FW_LOADER
        select FW_LOADER
-        select MEDIA_TUNER
+        select VIDEO_TUNER
        select VIDEO_TVEEPROM
        select VIDEO_CX2341X
        select VIDEO_SAA711X
diff --git a/drivers/media/video/saa7134/Kconfig b/drivers/media/video/saa7134/Kconfig
index 40e4c3bd2cb9..83f076abce35 100644
--- a/drivers/media/video/saa7134/Kconfig
+++ b/drivers/media/video/saa7134/Kconfig
@@ -3,7 +3,7 @@ config VIDEO_SAA7134
        depends on VIDEO_DEV && PCI && I2C && INPUT
        select VIDEOBUF_DMA_SG
        select VIDEO_IR
-        select MEDIA_TUNER
+        select VIDEO_TUNER
        select VIDEO_TVEEPROM
        select CRC32
        ---help---
@@ -27,6 +27,7 @@ config VIDEO_SAA7134_ALSA
 config VIDEO_SAA7134_DVB
        tristate "DVB/ATSC Support for saa7134 based TV cards"
        depends on VIDEO_SAA7134 && DVB_CORE
+        depends on HOTPLUG      # due to FW_LOADER
        select VIDEOBUF_DVB
        select FW_LOADER
        select DVB_PLL if !DVB_FE_CUSTOMISE
diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c
index eec127864fe3..2c19cd0113c8 100644
--- a/drivers/media/video/saa7134/saa7134-core.c
+++ b/drivers/media/video/saa7134/saa7134-core.c
@@ -864,7 +864,6 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
        struct saa7134_dev *dev;
        struct saa7134_mpeg_ops *mops;
        int err;
-        int mask;
        if (saa7134_devcount == SAA7134_MAXBOARDS)
                return -ENOMEM;
@@ -1065,11 +1064,6 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
        if (TUNER_ABSENT != dev->tuner_type)
                saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
-        if (card(dev).gpiomask != 0) {
-                mask = card(dev).gpiomask;
-                saa_andorl(SAA7134_GPIO_GPMODE0 >> 2,   mask, mask);
-                saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, mask, 0);
-        }
        return 0;
 fail4:
diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c
index 2d16be2259db..469f93aac008 100644
--- a/drivers/media/video/saa7134/saa7134-dvb.c
+++ b/drivers/media/video/saa7134/saa7134-dvb.c
@@ -538,19 +538,23 @@ static int philips_tda827x_tuner_sleep(struct dvb_frontend *fe)
        return 0;
 }
-static void configure_tda827x_fe(struct saa7134_dev *dev, struct tda1004x_config *cdec_conf,
+static int configure_tda827x_fe(struct saa7134_dev *dev,
-                                                          struct tda827x_config *tuner_conf)
+                                struct tda1004x_config *cdec_conf,
+                                struct tda827x_config *tuner_conf)
 {
        dev->dvb.frontend = dvb_attach(tda10046_attach, cdec_conf, &dev->i2c_adap);
        if (dev->dvb.frontend) {
                if (cdec_conf->i2c_gate)
                        dev->dvb.frontend->ops.i2c_gate_ctrl = tda8290_i2c_gate_ctrl;
-                if (dvb_attach(tda827x_attach, dev->dvb.frontend, cdec_conf->tuner_address,
+                if (dvb_attach(tda827x_attach, dev->dvb.frontend,
-                                                        &dev->i2c_adap, tuner_conf) == NULL) {
+                               cdec_conf->tuner_address,
-                        wprintk("no tda827x tuner found at addr: %02x\n",
+                               &dev->i2c_adap, tuner_conf))
+                        return 0;
+                wprintk("no tda827x tuner found at addr: %02x\n",
                                cdec_conf->tuner_address);
-                }
        }
+        return -EINVAL;
 }
 /* ------------------------------------------------------------------ */
@@ -997,7 +1001,9 @@ static int dvb_init(struct saa7134_dev *dev)
                break;
        case SAA7134_BOARD_FLYDVBTDUO:
        case SAA7134_BOARD_FLYDVBT_DUO_CARDBUS:
-                configure_tda827x_fe(dev, &tda827x_lifeview_config, &tda827x_cfg_0);
+                if (configure_tda827x_fe(dev, &tda827x_lifeview_config,
+                                         &tda827x_cfg_0) < 0)
+                        goto dettach_frontend;
                break;
        case SAA7134_BOARD_PHILIPS_EUROPA:
        case SAA7134_BOARD_VIDEOMATE_DVBT_300:
@@ -1022,36 +1028,52 @@ static int dvb_init(struct saa7134_dev *dev)
                }
                break;
        case SAA7134_BOARD_KWORLD_DVBT_210:
-                configure_tda827x_fe(dev, &kworld_dvb_t_210_config, &tda827x_cfg_2);
+                if (configure_tda827x_fe(dev, &kworld_dvb_t_210_config,
+                                         &tda827x_cfg_2) < 0)
+                        goto dettach_frontend;
                break;
        case SAA7134_BOARD_PHILIPS_TIGER:
-                configure_tda827x_fe(dev, &philips_tiger_config, &tda827x_cfg_0);
+                if (configure_tda827x_fe(dev, &philips_tiger_config,
+                                         &tda827x_cfg_0) < 0)
+                        goto dettach_frontend;
                break;
        case SAA7134_BOARD_PINNACLE_PCTV_310i:
-                configure_tda827x_fe(dev, &pinnacle_pctv_310i_config, &tda827x_cfg_1);
+                if (configure_tda827x_fe(dev, &pinnacle_pctv_310i_config,
+                                         &tda827x_cfg_1) < 0)
+                        goto dettach_frontend;
                break;
        case SAA7134_BOARD_HAUPPAUGE_HVR1110:
-                configure_tda827x_fe(dev, &hauppauge_hvr_1110_config, &tda827x_cfg_1);
+                if (configure_tda827x_fe(dev, &hauppauge_hvr_1110_config,
+                                         &tda827x_cfg_1) < 0)
+                        goto dettach_frontend;
                break;
        case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
-                configure_tda827x_fe(dev, &asus_p7131_dual_config, &tda827x_cfg_0);
+                if (configure_tda827x_fe(dev, &asus_p7131_dual_config,
+                                         &tda827x_cfg_0) < 0)
+                        goto dettach_frontend;
                break;
        case SAA7134_BOARD_FLYDVBT_LR301:
-                configure_tda827x_fe(dev, &tda827x_lifeview_config, &tda827x_cfg_0);
+                if (configure_tda827x_fe(dev, &tda827x_lifeview_config,
+                                         &tda827x_cfg_0) < 0)
+                        goto dettach_frontend;
                break;
        case SAA7134_BOARD_FLYDVB_TRIO:
-                if(! use_frontend) {    /* terrestrial */
+                if (!use_frontend) {    /* terrestrial */
-                        configure_tda827x_fe(dev, &lifeview_trio_config, &tda827x_cfg_0);
+                        if (configure_tda827x_fe(dev, &lifeview_trio_config,
+                                                 &tda827x_cfg_0) < 0)
+                                goto dettach_frontend;
                } else {                /* satellite */
                        dev->dvb.frontend = dvb_attach(tda10086_attach, &flydvbs, &dev->i2c_adap);
                        if (dev->dvb.frontend) {
                                if (dvb_attach(tda826x_attach, dev->dvb.frontend, 0x63,
                                                                        &dev->i2c_adap, 0) == NULL) {
                                        wprintk("%s: Lifeview Trio, No tda826x found!\n", __func__);
+                                        goto dettach_frontend;
                                }
                                if (dvb_attach(isl6421_attach, dev->dvb.frontend, &dev->i2c_adap,
                                                                                0x08, 0, 0) == NULL) {
                                        wprintk("%s: Lifeview Trio, No ISL6421 found!\n", __func__);
+                                        goto dettach_frontend;
                                }
                        }
                }
@@ -1067,15 +1089,20 @@ static int dvb_init(struct saa7134_dev *dev)
                                                                &ads_duo_cfg) == NULL) {
                                wprintk("no tda827x tuner found at addr: %02x\n",
                                        ads_tech_duo_config.tuner_address);
+                                goto dettach_frontend;
                        }
                }
                break;
        case SAA7134_BOARD_TEVION_DVBT_220RF:
-                configure_tda827x_fe(dev, &tevion_dvbt220rf_config, &tda827x_cfg_0);
+                if (configure_tda827x_fe(dev, &tevion_dvbt220rf_config,
+                                         &tda827x_cfg_0) < 0)
+                        goto dettach_frontend;
                break;
        case SAA7134_BOARD_MEDION_MD8800_QUADRO:
                if (!use_frontend) {     /* terrestrial */
-                        configure_tda827x_fe(dev, &md8800_dvbt_config, &tda827x_cfg_0);
+                        if (configure_tda827x_fe(dev, &md8800_dvbt_config,
+                                                 &tda827x_cfg_0) < 0)
+                                goto dettach_frontend;
                } else {        /* satellite */
                        dev->dvb.frontend = dvb_attach(tda10086_attach,
                                                        &flydvbs, &dev->i2c_adap);
@@ -1086,16 +1113,20 @@ static int dvb_init(struct saa7134_dev *dev)
                                struct i2c_msg msg = {.addr = 0x08, .flags = 0, .len = 1};
                                if (dvb_attach(tda826x_attach, dev->dvb.frontend,
-                                                0x60, &dev->i2c_adap, 0) == NULL)
+                                                0x60, &dev->i2c_adap, 0) == NULL) {
                                        wprintk("%s: Medion Quadro, no tda826x "
                                                "found !\n", __func__);
+                                        goto dettach_frontend;
+                                }
                                if (dev_id != 0x08) {
                                        /* we need to open the i2c gate (we know it exists) */
                                        fe->ops.i2c_gate_ctrl(fe, 1);
                                        if (dvb_attach(isl6405_attach, fe,
-                                                        &dev->i2c_adap, 0x08, 0, 0) == NULL)
+                                                        &dev->i2c_adap, 0x08, 0, 0) == NULL) {
                                                wprintk("%s: Medion Quadro, no ISL6405 "
                                                        "found !\n", __func__);
+                                                goto dettach_frontend;
+                                        }
                                        if (dev_id == 0x07) {
                                                /* fire up the 2nd section of the LNB supply since
                                                   we can't do this from the other section */
@@ -1117,19 +1148,17 @@ static int dvb_init(struct saa7134_dev *dev)
        case SAA7134_BOARD_AVERMEDIA_AVERTVHD_A180:
                dev->dvb.frontend = dvb_attach(nxt200x_attach, &avertvhda180,
                                               &dev->i2c_adap);
-                if (dev->dvb.frontend) {
+                if (dev->dvb.frontend)
                        dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
                                   NULL, DVB_PLL_TDHU2);
-                }
                break;
        case SAA7134_BOARD_KWORLD_ATSC110:
                dev->dvb.frontend = dvb_attach(nxt200x_attach, &kworldatsc110,
                                               &dev->i2c_adap);
-                if (dev->dvb.frontend) {
+                if (dev->dvb.frontend)
                        dvb_attach(simple_tuner_attach, dev->dvb.frontend,
                                   &dev->i2c_adap, 0x61,
                                   TUNER_PHILIPS_TUV1236D);
-                }
                break;
        case SAA7134_BOARD_FLYDVBS_LR300:
                dev->dvb.frontend = dvb_attach(tda10086_attach, &flydvbs,
@@ -1138,10 +1167,12 @@ static int dvb_init(struct saa7134_dev *dev)
                        if (dvb_attach(tda826x_attach, dev->dvb.frontend, 0x60,
                                       &dev->i2c_adap, 0) == NULL) {
                                wprintk("%s: No tda826x found!\n", __func__);
+                                goto dettach_frontend;
                        }
                        if (dvb_attach(isl6421_attach, dev->dvb.frontend,
                                       &dev->i2c_adap, 0x08, 0, 0) == NULL) {
                                wprintk("%s: No ISL6421 found!\n", __func__);
+                                goto dettach_frontend;
                        }
                }
                break;
@@ -1168,43 +1199,65 @@ static int dvb_init(struct saa7134_dev *dev)
                }
                break;
        case SAA7134_BOARD_CINERGY_HT_PCMCIA:
-                configure_tda827x_fe(dev, &cinergy_ht_config, &tda827x_cfg_0);
+                if (configure_tda827x_fe(dev, &cinergy_ht_config,
+                                         &tda827x_cfg_0) < 0)
+                        goto dettach_frontend;
                break;
        case SAA7134_BOARD_CINERGY_HT_PCI:
-                configure_tda827x_fe(dev, &cinergy_ht_pci_config, &tda827x_cfg_0);
+                if (configure_tda827x_fe(dev, &cinergy_ht_pci_config,
+                                         &tda827x_cfg_0) < 0)
+                        goto dettach_frontend;
                break;
        case SAA7134_BOARD_PHILIPS_TIGER_S:
-                configure_tda827x_fe(dev, &philips_tiger_s_config, &tda827x_cfg_2);
+                if (configure_tda827x_fe(dev, &philips_tiger_s_config,
+                                         &tda827x_cfg_2) < 0)
+                        goto dettach_frontend;
                break;
        case SAA7134_BOARD_ASUS_P7131_4871:
-                configure_tda827x_fe(dev, &asus_p7131_4871_config, &tda827x_cfg_2);
+                if (configure_tda827x_fe(dev, &asus_p7131_4871_config,
+                                         &tda827x_cfg_2) < 0)
+                        goto dettach_frontend;
                break;
        case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA:
-                configure_tda827x_fe(dev, &asus_p7131_hybrid_lna_config, &tda827x_cfg_2);
+                if (configure_tda827x_fe(dev, &asus_p7131_hybrid_lna_config,
+                                         &tda827x_cfg_2) < 0)
+                        goto dettach_frontend;
                break;
        case SAA7134_BOARD_AVERMEDIA_SUPER_007:
-                configure_tda827x_fe(dev, &avermedia_super_007_config, &tda827x_cfg_0);
+                if (configure_tda827x_fe(dev, &avermedia_super_007_config,
+                                         &tda827x_cfg_0) < 0)
+                        goto dettach_frontend;
                break;
        case SAA7134_BOARD_TWINHAN_DTV_DVB_3056:
-                configure_tda827x_fe(dev, &twinhan_dtv_dvb_3056_config, &tda827x_cfg_2_sw42);
+                if (configure_tda827x_fe(dev, &twinhan_dtv_dvb_3056_config,
+                                         &tda827x_cfg_2_sw42) < 0)
+                        goto dettach_frontend;
                break;
        case SAA7134_BOARD_PHILIPS_SNAKE:
                dev->dvb.frontend = dvb_attach(tda10086_attach, &flydvbs,
                                                &dev->i2c_adap);
                if (dev->dvb.frontend) {
                        if (dvb_attach(tda826x_attach, dev->dvb.frontend, 0x60,
-                                        &dev->i2c_adap, 0) == NULL)
+                                        &dev->i2c_adap, 0) == NULL) {
                                wprintk("%s: No tda826x found!\n", __func__);
+                                goto dettach_frontend;
+                        }
                        if (dvb_attach(lnbp21_attach, dev->dvb.frontend,
-                                        &dev->i2c_adap, 0, 0) == NULL)
+                                        &dev->i2c_adap, 0, 0) == NULL) {
                                wprintk("%s: No lnbp21 found!\n", __func__);
+                                goto dettach_frontend;
+                        }
                }
                break;
        case SAA7134_BOARD_CREATIX_CTX953:
-                configure_tda827x_fe(dev, &md8800_dvbt_config, &tda827x_cfg_0);
+                if (configure_tda827x_fe(dev, &md8800_dvbt_config,
+                                         &tda827x_cfg_0) < 0)
+                        goto dettach_frontend;
                break;
        case SAA7134_BOARD_MSI_TVANYWHERE_AD11:
-                configure_tda827x_fe(dev, &philips_tiger_s_config, &tda827x_cfg_2);
+                if (configure_tda827x_fe(dev, &philips_tiger_s_config,
+                                         &tda827x_cfg_2) < 0)
+                        goto dettach_frontend;
                break;
        case SAA7134_BOARD_AVERMEDIA_CARDBUS_506:
                dev->dvb.frontend = dvb_attach(mt352_attach,
@@ -1218,16 +1271,20 @@ static int dvb_init(struct saa7134_dev *dev)
                if (dev->dvb.frontend) {
                        struct dvb_frontend *fe;
                        if (dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x60,
-                                  &dev->i2c_adap, DVB_PLL_PHILIPS_SD1878_TDA8261) == NULL)
+                                  &dev->i2c_adap, DVB_PLL_PHILIPS_SD1878_TDA8261) == NULL) {
                                wprintk("%s: MD7134 DVB-S, no SD1878 "
                                        "found !\n", __func__);
+                                goto dettach_frontend;
+                        }
                        /* we need to open the i2c gate (we know it exists) */
                        fe = dev->dvb.frontend;
                        fe->ops.i2c_gate_ctrl(fe, 1);
                        if (dvb_attach(isl6405_attach, fe,
-                                        &dev->i2c_adap, 0x08, 0, 0) == NULL)
+                                        &dev->i2c_adap, 0x08, 0, 0) == NULL) {
                                wprintk("%s: MD7134 DVB-S, no ISL6405 "
                                        "found !\n", __func__);
+                                goto dettach_frontend;
+                        }
                        fe->ops.i2c_gate_ctrl(fe, 0);
                        dev->original_set_voltage = fe->ops.set_voltage;
                        fe->ops.set_voltage = md8800_set_voltage;
@@ -1254,10 +1311,7 @@ static int dvb_init(struct saa7134_dev *dev)
                if (!fe) {
                        printk(KERN_ERR "%s/2: xc3028 attach failed\n",
                               dev->name);
-                        dvb_frontend_detach(dev->dvb.frontend);
+                        goto dettach_frontend;
-                        dvb_unregister_frontend(dev->dvb.frontend);
-                        dev->dvb.frontend = NULL;
-                        return -1;
                }
        }
@@ -1282,6 +1336,12 @@ static int dvb_init(struct saa7134_dev *dev)
                        dev->dvb.frontend->ops.tuner_ops.sleep(dev->dvb.frontend);
        }
        return ret;
+dettach_frontend:
+        dvb_frontend_detach(dev->dvb.frontend);
+        dev->dvb.frontend = NULL;
+        return -1;
 }
 static int dvb_fini(struct saa7134_dev *dev)
diff --git a/drivers/media/video/stk-webcam.c b/drivers/media/video/stk-webcam.c
index 9276ed997388..b12c60cf5a09 100644
--- a/drivers/media/video/stk-webcam.c
+++ b/drivers/media/video/stk-webcam.c
@@ -30,6 +30,7 @@
 #include <linux/kref.h>
 #include <linux/usb.h>
+#include <linux/mm.h>
 #include <linux/vmalloc.h>
 #include <linux/videodev2.h>
 #include <media/v4l2-common.h>
@@ -245,6 +246,8 @@ static int stk_initialise(struct stk_camera *dev)
                return -1;
 }
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
 /* sysfs functions */
 /*FIXME cleanup this */
@@ -350,6 +353,10 @@ static void stk_remove_sysfs_files(struct video_device *vdev)
        video_device_remove_file(vdev, &dev_attr_vflip);
 }
+#else
+#define stk_create_sysfs_files(a)
+#define stk_remove_sysfs_files(a)
+#endif
 /* *********************************************** */
 /*
diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c
index 6bf104ea051d..5a75788b92ae 100644
--- a/drivers/media/video/tuner-core.c
+++ b/drivers/media/video/tuner-core.c
@@ -40,11 +40,11 @@
        typeof(&FUNCTION) __a = symbol_request(FUNCTION); \
        if (__a) { \
                __r = (int) __a(ARGS); \
+                symbol_put(FUNCTION); \
        } else { \
                printk(KERN_ERR "TUNER: Unable to find " \
                                "symbol "#FUNCTION"()\n"); \
        } \
-        symbol_put(FUNCTION); \
        __r; \
 })
@@ -340,16 +340,6 @@ static void tuner_i2c_address_check(struct tuner *t)
        tuner_warn("====================== WARNING! ======================\n");
 }
-static void attach_tda829x(struct tuner *t)
-{
-        struct tda829x_config cfg = {
-                .lna_cfg        = t->config,
-                .tuner_callback = t->tuner_callback,
-        };
-        dvb_attach(tda829x_attach,
-                   &t->fe, t->i2c->adapter, t->i2c->addr, &cfg);
-}
 static struct xc5000_config xc5000_cfg;
 static void set_type(struct i2c_client *c, unsigned int type,
@@ -385,12 +375,19 @@ static void set_type(struct i2c_client *c, unsigned int type,
        switch (t->type) {
        case TUNER_MT2032:
-                dvb_attach(microtune_attach,
+                if (!dvb_attach(microtune_attach,
-                           &t->fe, t->i2c->adapter, t->i2c->addr);
+                           &t->fe, t->i2c->adapter, t->i2c->addr))
+                        goto attach_failed;
                break;
        case TUNER_PHILIPS_TDA8290:
        {
-                attach_tda829x(t);
+                struct tda829x_config cfg = {
+                        .lna_cfg        = t->config,
+                        .tuner_callback = t->tuner_callback,
+                };
+                if (!dvb_attach(tda829x_attach, &t->fe, t->i2c->adapter,
+                                t->i2c->addr, &cfg))
+                        goto attach_failed;
                break;
        }
        case TUNER_TEA5767:
@@ -441,8 +438,9 @@ static void set_type(struct i2c_client *c, unsigned int type,
                break;
        }
        case TUNER_TDA9887:
-                dvb_attach(tda9887_attach,
+                if (!dvb_attach(tda9887_attach,
-                           &t->fe, t->i2c->adapter, t->i2c->addr);
+                           &t->fe, t->i2c->adapter, t->i2c->addr))
+                        goto attach_failed;
                break;
        case TUNER_XC5000:
        {
@@ -450,10 +448,10 @@ static void set_type(struct i2c_client *c, unsigned int type,
                xc5000_cfg.i2c_address    = t->i2c->addr;
                xc5000_cfg.if_khz         = 5380;
-                xc5000_cfg.priv           = c->adapter->algo_data;
                xc5000_cfg.tuner_callback = t->tuner_callback;
                if (!dvb_attach(xc5000_attach,
-                                &t->fe, t->i2c->adapter, &xc5000_cfg))
+                                &t->fe, t->i2c->adapter, &xc5000_cfg,
+                                c->adapter->algo_data))
                        goto attach_failed;
                xc_tuner_ops = &t->fe.ops.tuner_ops;
@@ -1167,7 +1165,7 @@ static int tuner_probe(struct i2c_client *client,
                        /* If chip is not tda8290, don't register.
                           since it can be tda9887*/
                        if (tuner_symbol_probe(tda829x_probe, t->i2c->adapter,
-                                               t->i2c->addr) == 0) {
+                                               t->i2c->addr) >= 0) {
                                tuner_dbg("tda829x detected\n");
                        } else {
                                /* Default is being tda9887 */
@@ -1181,7 +1179,7 @@ static int tuner_probe(struct i2c_client *client,
                case 0x60:
                        if (tuner_symbol_probe(tea5767_autodetection,
                                               t->i2c->adapter, t->i2c->addr)
-                                        != EINVAL) {
+                                        >= 0) {
                                t->type = TUNER_TEA5767;
                                t->mode_mask = T_RADIO;
                                t->mode = T_STANDBY;
diff --git a/drivers/media/video/tveeprom.c b/drivers/media/video/tveeprom.c
index 3cf8a8e801e5..9da0e1807ffb 100644
--- a/drivers/media/video/tveeprom.c
+++ b/drivers/media/video/tveeprom.c
@@ -319,10 +319,12 @@ audioIC[] =
        {AUDIO_CHIP_INTERNAL, "CX25843"},
        {AUDIO_CHIP_INTERNAL, "CX23418"},
        {AUDIO_CHIP_INTERNAL, "CX23885"},
-        /* 40-42 */
+        /* 40-44 */
        {AUDIO_CHIP_INTERNAL, "CX23888"},
        {AUDIO_CHIP_INTERNAL, "SAA7131"},
        {AUDIO_CHIP_INTERNAL, "CX23887"},
+        {AUDIO_CHIP_INTERNAL, "SAA7164"},
+        {AUDIO_CHIP_INTERNAL, "AU8522"},
 };
 /* This list is supplied by Hauppauge. Thanks! */
@@ -341,8 +343,10 @@ static const char *decoderIC[] = {
        "CX882", "TVP5150A", "CX25840", "CX25841", "CX25842",
        /* 30-34 */
        "CX25843", "CX23418", "NEC61153", "CX23885", "CX23888",
-        /* 35-37 */
+        /* 35-39 */
-        "SAA7131", "CX25837", "CX23887"
+        "SAA7131", "CX25837", "CX23887", "CX23885A", "CX23887A",
+        /* 40-42 */
+        "SAA7164", "CX23885B", "AU8522"
 };
 static int hasRadioTuner(int tunerType)
diff --git a/drivers/media/video/usbvision/Kconfig b/drivers/media/video/usbvision/Kconfig
index 74e1d3075a20..fc24ef05b3f3 100644
--- a/drivers/media/video/usbvision/Kconfig
+++ b/drivers/media/video/usbvision/Kconfig
@@ -1,7 +1,7 @@
 config VIDEO_USBVISION
        tristate "USB video devices based on Nogatech NT1003/1004/1005"
        depends on I2C && VIDEO_V4L2
-        select MEDIA_TUNER
+        select VIDEO_TUNER
        select VIDEO_SAA711X if VIDEO_HELPER_CHIPS_AUTO
        ---help---
          There are more than 50 different USB video devices based on
diff --git a/drivers/misc/sgi-xp/xp.h b/drivers/misc/sgi-xp/xp.h
index 5515234be86a..03a87a307e32 100644
--- a/drivers/misc/sgi-xp/xp.h
+++ b/drivers/misc/sgi-xp/xp.h
@@ -157,215 +157,136 @@ struct xpc_msg {
 /*
 * Define the return values and values passed to user's callout functions.
 * (It is important to add new value codes at the end just preceding
- * xpcUnknownReason, which must have the highest numerical value.)
+ * xpUnknownReason, which must have the highest numerical value.)
 */
-enum xpc_retval {
+enum xp_retval {
-        xpcSuccess = 0,
+        xpSuccess = 0,
-        xpcNotConnected,        /*  1: channel is not connected */
+        xpNotConnected,         /*  1: channel is not connected */
-        xpcConnected,           /*  2: channel connected (opened) */
+        xpConnected,            /*  2: channel connected (opened) */
-        xpcRETIRED1,            /*  3: (formerly xpcDisconnected) */
+        xpRETIRED1,             /*  3: (formerly xpDisconnected) */
-        xpcMsgReceived,         /*  4: message received */
+        xpMsgReceived,          /*  4: message received */
-        xpcMsgDelivered,        /*  5: message delivered and acknowledged */
+        xpMsgDelivered,         /*  5: message delivered and acknowledged */
-        xpcRETIRED2,            /*  6: (formerly xpcTransferFailed) */
+        xpRETIRED2,             /*  6: (formerly xpTransferFailed) */
-        xpcNoWait,              /*  7: operation would require wait */
+        xpNoWait,               /*  7: operation would require wait */
-        xpcRetry,               /*  8: retry operation */
+        xpRetry,                /*  8: retry operation */
-        xpcTimeout,             /*  9: timeout in xpc_allocate_msg_wait() */
+        xpTimeout,              /*  9: timeout in xpc_allocate_msg_wait() */
-        xpcInterrupted,         /* 10: interrupted wait */
+        xpInterrupted,          /* 10: interrupted wait */
-        xpcUnequalMsgSizes,     /* 11: message size disparity between sides */
+        xpUnequalMsgSizes,      /* 11: message size disparity between sides */
-        xpcInvalidAddress,      /* 12: invalid address */
+        xpInvalidAddress,       /* 12: invalid address */
-        xpcNoMemory,            /* 13: no memory available for XPC structures */
+        xpNoMemory,             /* 13: no memory available for XPC structures */
-        xpcLackOfResources,     /* 14: insufficient resources for operation */
+        xpLackOfResources,      /* 14: insufficient resources for operation */
-        xpcUnregistered,        /* 15: channel is not registered */
+        xpUnregistered,         /* 15: channel is not registered */
-        xpcAlreadyRegistered,   /* 16: channel is already registered */
+        xpAlreadyRegistered,    /* 16: channel is already registered */
-        xpcPartitionDown,       /* 17: remote partition is down */
+        xpPartitionDown,        /* 17: remote partition is down */
-        xpcNotLoaded,           /* 18: XPC module is not loaded */
+        xpNotLoaded,            /* 18: XPC module is not loaded */
-        xpcUnloading,           /* 19: this side is unloading XPC module */
+        xpUnloading,            /* 19: this side is unloading XPC module */
-        xpcBadMagic,            /* 20: XPC MAGIC string not found */
+        xpBadMagic,             /* 20: XPC MAGIC string not found */
-        xpcReactivating,        /* 21: remote partition was reactivated */
+        xpReactivating,         /* 21: remote partition was reactivated */
-        xpcUnregistering,       /* 22: this side is unregistering channel */
+        xpUnregistering,        /* 22: this side is unregistering channel */
-        xpcOtherUnregistering,  /* 23: other side is unregistering channel */
+        xpOtherUnregistering,   /* 23: other side is unregistering channel */
-        xpcCloneKThread,        /* 24: cloning kernel thread */
+        xpCloneKThread,         /* 24: cloning kernel thread */
-        xpcCloneKThreadFailed,  /* 25: cloning kernel thread failed */
+        xpCloneKThreadFailed,   /* 25: cloning kernel thread failed */
-        xpcNoHeartbeat,         /* 26: remote partition has no heartbeat */
+        xpNoHeartbeat,          /* 26: remote partition has no heartbeat */
-        xpcPioReadError,        /* 27: PIO read error */
+        xpPioReadError,         /* 27: PIO read error */
-        xpcPhysAddrRegFailed,   /* 28: registration of phys addr range failed */
+        xpPhysAddrRegFailed,    /* 28: registration of phys addr range failed */
-        xpcBteDirectoryError,   /* 29: maps to BTEFAIL_DIR */
+        xpRETIRED3,             /* 29: (formerly xpBteDirectoryError) */
-        xpcBtePoisonError,      /* 30: maps to BTEFAIL_POISON */
+        xpRETIRED4,             /* 30: (formerly xpBtePoisonError) */
-        xpcBteWriteError,       /* 31: maps to BTEFAIL_WERR */
+        xpRETIRED5,             /* 31: (formerly xpBteWriteError) */
-        xpcBteAccessError,      /* 32: maps to BTEFAIL_ACCESS */
+        xpRETIRED6,             /* 32: (formerly xpBteAccessError) */
-        xpcBtePWriteError,      /* 33: maps to BTEFAIL_PWERR */
+        xpRETIRED7,             /* 33: (formerly xpBtePWriteError) */
-        xpcBtePReadError,       /* 34: maps to BTEFAIL_PRERR */
+        xpRETIRED8,             /* 34: (formerly xpBtePReadError) */
-        xpcBteTimeOutError,     /* 35: maps to BTEFAIL_TOUT */
+        xpRETIRED9,             /* 35: (formerly xpBteTimeOutError) */
-        xpcBteXtalkError,       /* 36: maps to BTEFAIL_XTERR */
+        xpRETIRED10,            /* 36: (formerly xpBteXtalkError) */
-        xpcBteNotAvailable,     /* 37: maps to BTEFAIL_NOTAVAIL */
+        xpRETIRED11,            /* 37: (formerly xpBteNotAvailable) */
-        xpcBteUnmappedError,    /* 38: unmapped BTEFAIL_ error */
+        xpRETIRED12,            /* 38: (formerly xpBteUnmappedError) */
-        xpcBadVersion,          /* 39: bad version number */
+        xpBadVersion,           /* 39: bad version number */
-        xpcVarsNotSet,          /* 40: the XPC variables are not set up */
+        xpVarsNotSet,           /* 40: the XPC variables are not set up */
-        xpcNoRsvdPageAddr,      /* 41: unable to get rsvd page's phys addr */
+        xpNoRsvdPageAddr,       /* 41: unable to get rsvd page's phys addr */
-        xpcInvalidPartid,       /* 42: invalid partition ID */
+        xpInvalidPartid,        /* 42: invalid partition ID */
-        xpcLocalPartid,         /* 43: local partition ID */
+        xpLocalPartid,          /* 43: local partition ID */
-        xpcOtherGoingDown,      /* 44: other side going down, reason unknown */
+        xpOtherGoingDown,       /* 44: other side going down, reason unknown */
-        xpcSystemGoingDown,     /* 45: system is going down, reason unknown */
+        xpSystemGoingDown,      /* 45: system is going down, reason unknown */
-        xpcSystemHalt,          /* 46: system is being halted */
+        xpSystemHalt,           /* 46: system is being halted */
-        xpcSystemReboot,        /* 47: system is being rebooted */
+        xpSystemReboot,         /* 47: system is being rebooted */
-        xpcSystemPoweroff,      /* 48: system is being powered off */
+        xpSystemPoweroff,       /* 48: system is being powered off */
-        xpcDisconnecting,       /* 49: channel disconnecting (closing) */
+        xpDisconnecting,        /* 49: channel disconnecting (closing) */
-        xpcOpenCloseError,      /* 50: channel open/close protocol error */
+        xpOpenCloseError,       /* 50: channel open/close protocol error */
-        xpcDisconnected,        /* 51: channel disconnected (closed) */
+        xpDisconnected,         /* 51: channel disconnected (closed) */
-        xpcBteSh2Start,         /* 52: BTE CRB timeout */
+        xpBteCopyError,         /* 52: bte_copy() returned error */
-                                /* 53: 0x1 BTE Error Response Short */
+        xpUnknownReason         /* 53: unknown reason - must be last in enum */
-        xpcBteSh2RspShort = xpcBteSh2Start + BTEFAIL_SH2_RESP_SHORT,
-                                /* 54: 0x2 BTE Error Response Long */
-        xpcBteSh2RspLong = xpcBteSh2Start + BTEFAIL_SH2_RESP_LONG,
-                                /* 56: 0x4 BTE Error Response DSB */
-        xpcBteSh2RspDSB = xpcBteSh2Start + BTEFAIL_SH2_RESP_DSP,
-                                /* 60: 0x8 BTE Error Response Access */
-        xpcBteSh2RspAccess = xpcBteSh2Start + BTEFAIL_SH2_RESP_ACCESS,
-                                /* 68: 0x10 BTE Error CRB timeout */
-        xpcBteSh2CRBTO = xpcBteSh2Start + BTEFAIL_SH2_CRB_TO,
-                                /* 84: 0x20 BTE Error NACK limit */
-        xpcBteSh2NACKLimit = xpcBteSh2Start + BTEFAIL_SH2_NACK_LIMIT,
-                                /* 115: BTE end */
-        xpcBteSh2End = xpcBteSh2Start + BTEFAIL_SH2_ALL,
-        xpcUnknownReason        /* 116: unknown reason - must be last in enum */
 };
 /*
- * Define the callout function types used by XPC to update the user on
+ * Define the callout function type used by XPC to update the user on
- * connection activity and state changes (via the user function registered by
+ * connection activity and state changes via the user function registered
- * xpc_connect()) and to notify them of messages received and delivered (via
+ * by xpc_connect().
- * the user function registered by xpc_send_notify()).
- *
- * The two function types are xpc_channel_func and xpc_notify_func and
- * both share the following arguments, with the exception of "data", which
- * only xpc_channel_func has.
 *
 * Arguments:
 *
- *      reason - reason code. (See following table.)
+ *      reason - reason code.
 *      partid - partition ID associated with condition.
 *      ch_number - channel # associated with condition.
- *      data - pointer to optional data. (See following table.)
+ *      data - pointer to optional data.
 *      key - pointer to optional user-defined value provided as the "key"
- *            argument to xpc_connect() or xpc_send_notify().
+ *            argument to xpc_connect().
 *
- * In the following table the "Optional Data" column applies to callouts made
+ * A reason code of xpConnected indicates that a connection has been
- * to functions registered by xpc_connect(). A "NA" in that column indicates
+ * established to the specified partition on the specified channel. The data
- * that this reason code can be passed to functions registered by
+ * argument indicates the max number of entries allowed in the message queue.
- * xpc_send_notify() (i.e. they don't have data arguments).
 *
- * Also, the first three reason codes in the following table indicate
+ * A reason code of xpMsgReceived indicates that a XPC message arrived from
- * success, whereas the others indicate failure. When a failure reason code
+ * the specified partition on the specified channel. The data argument
- * is received, one can assume that the channel is not connected.
+ * specifies the address of the message's payload. The user must call
+ * xpc_received() when finished with the payload.
 *
- *
+ * All other reason codes indicate failure. The data argmument is NULL.
- * Reason Code          | Cause                          | Optional Data
+ * When a failure reason code is received, one can assume that the channel
- * =====================+================================+=====================
+ * is not connected.
- * xpcConnected         | connection has been established| max #of entries
- *                      | to the specified partition on  | allowed in message
- *                      | the specified channel          | queue
- * ---------------------+--------------------------------+---------------------
- * xpcMsgReceived       | an XPC message arrived from    | address of payload
- *                      | the specified partition on the |
- *                      | specified channel              | [the user must call
- *                      |                                | xpc_received() when
- *                      |                                | finished with the
- *                      |                                | payload]
- * ---------------------+--------------------------------+---------------------
- * xpcMsgDelivered      | notification that the message  | NA
- *                      | was delivered to the intended  |
- *                      | recipient and that they have   |
- *                      | acknowledged its receipt by    |
- *                      | calling xpc_received()         |
- * =====================+================================+=====================
- * xpcUnequalMsgSizes   | can't connect to the specified | NULL
- *                      | partition on the specified     |
- *                      | channel because of mismatched  |
- *                      | message sizes                  |
- * ---------------------+--------------------------------+---------------------
- * xpcNoMemory          | insufficient memory avaiable   | NULL
- *                      | to allocate message queue      |
- * ---------------------+--------------------------------+---------------------
- * xpcLackOfResources   | lack of resources to create    | NULL
- *                      | the necessary kthreads to      |
- *                      | support the channel            |
- * ---------------------+--------------------------------+---------------------
- * xpcUnregistering     | this side's user has           | NULL or NA
- *                      | unregistered by calling        |
- *                      | xpc_disconnect()               |
- * ---------------------+--------------------------------+---------------------
- * xpcOtherUnregistering| the other side's user has      | NULL or NA
- *                      | unregistered by calling        |
- *                      | xpc_disconnect()               |
- * ---------------------+--------------------------------+---------------------
- * xpcNoHeartbeat       | the other side's XPC is no     | NULL or NA
- *                      | longer heartbeating            |
- *                      |                                |
- * ---------------------+--------------------------------+---------------------
- * xpcUnloading         | this side's XPC module is      | NULL or NA
- *                      | being unloaded                 |
- *                      |                                |
- * ---------------------+--------------------------------+---------------------
- * xpcOtherUnloading    | the other side's XPC module is | NULL or NA
- *                      | is being unloaded              |
- *                      |                                |
- * ---------------------+--------------------------------+---------------------
- * xpcPioReadError      | xp_nofault_PIOR() returned an  | NULL or NA
- *                      | error while sending an IPI     |
- *                      |                                |
- * ---------------------+--------------------------------+---------------------
- * xpcInvalidAddress    | the address either received or | NULL or NA
- *                      | sent by the specified partition|
- *                      | is invalid                     |
- * ---------------------+--------------------------------+---------------------
- * xpcBteNotAvailable   | attempt to pull data from the  | NULL or NA
- * xpcBtePoisonError    | specified partition over the   |
- * xpcBteWriteError     | specified channel via a        |
- * xpcBteAccessError    | bte_copy() failed              |
- * xpcBteTimeOutError   |                                |
- * xpcBteXtalkError     |                                |
- * xpcBteDirectoryError |                                |
- * xpcBteGenericError   |                                |
- * xpcBteUnmappedError  |                                |
- * ---------------------+--------------------------------+---------------------
- * xpcUnknownReason     | the specified channel to the   | NULL or NA
- *                      | specified partition was        |
- *                      | unavailable for unknown reasons|
- * =====================+================================+=====================
 */
+typedef void (*xpc_channel_func) (enum xp_retval reason, short partid,
-typedef void (*xpc_channel_func) (enum xpc_retval reason, partid_t partid,
                                  int ch_number, void *data, void *key);
-typedef void (*xpc_notify_func) (enum xpc_retval reason, partid_t partid,
+/*
+ * Define the callout function type used by XPC to notify the user of
+ * messages received and delivered via the user function registered by
+ * xpc_send_notify().
+ *
+ * Arguments:
+ *
+ *      reason - reason code.
+ *      partid - partition ID associated with condition.
+ *      ch_number - channel # associated with condition.
+ *      key - pointer to optional user-defined value provided as the "key"
+ *            argument to xpc_send_notify().
+ *
+ * A reason code of xpMsgDelivered indicates that the message was delivered
+ * to the intended recipient and that they have acknowledged its receipt by
+ * calling xpc_received().
+ *
+ * All other reason codes indicate failure.
+ */
+typedef void (*xpc_notify_func) (enum xp_retval reason, short partid,
                                 int ch_number, void *key);
 /*
@@ -401,57 +322,57 @@ struct xpc_registration {
 struct xpc_interface {
        void (*connect) (int);
        void (*disconnect) (int);
-        enum xpc_retval (*allocate) (partid_t, int, u32, void **);
+        enum xp_retval (*allocate) (short, int, u32, void **);
-        enum xpc_retval (*send) (partid_t, int, void *);
+        enum xp_retval (*send) (short, int, void *);
-        enum xpc_retval (*send_notify) (partid_t, int, void *,
+        enum xp_retval (*send_notify) (short, int, void *,
                                        xpc_notify_func, void *);
-        void (*received) (partid_t, int, void *);
+        void (*received) (short, int, void *);
-        enum xpc_retval (*partid_to_nasids) (partid_t, void *);
+        enum xp_retval (*partid_to_nasids) (short, void *);
 };
 extern struct xpc_interface xpc_interface;
 extern void xpc_set_interface(void (*)(int),
                              void (*)(int),
-                              enum xpc_retval (*)(partid_t, int, u32, void **),
+                              enum xp_retval (*)(short, int, u32, void **),
-                              enum xpc_retval (*)(partid_t, int, void *),
+                              enum xp_retval (*)(short, int, void *),
-                              enum xpc_retval (*)(partid_t, int, void *,
+                              enum xp_retval (*)(short, int, void *,
                                                  xpc_notify_func, void *),
-                              void (*)(partid_t, int, void *),
+                              void (*)(short, int, void *),
-                              enum xpc_retval (*)(partid_t, void *));
+                              enum xp_retval (*)(short, void *));
 extern void xpc_clear_interface(void);
-extern enum xpc_retval xpc_connect(int, xpc_channel_func, void *, u16,
+extern enum xp_retval xpc_connect(int, xpc_channel_func, void *, u16,
                                   u16, u32, u32);
 extern void xpc_disconnect(int);
-static inline enum xpc_retval
+static inline enum xp_retval
-xpc_allocate(partid_t partid, int ch_number, u32 flags, void **payload)
+xpc_allocate(short partid, int ch_number, u32 flags, void **payload)
 {
        return xpc_interface.allocate(partid, ch_number, flags, payload);
 }
-static inline enum xpc_retval
+static inline enum xp_retval
-xpc_send(partid_t partid, int ch_number, void *payload)
+xpc_send(short partid, int ch_number, void *payload)
 {
        return xpc_interface.send(partid, ch_number, payload);
 }
-static inline enum xpc_retval
+static inline enum xp_retval
-xpc_send_notify(partid_t partid, int ch_number, void *payload,
+xpc_send_notify(short partid, int ch_number, void *payload,
                xpc_notify_func func, void *key)
 {
        return xpc_interface.send_notify(partid, ch_number, payload, func, key);
 }
 static inline void
-xpc_received(partid_t partid, int ch_number, void *payload)
+xpc_received(short partid, int ch_number, void *payload)
 {
        return xpc_interface.received(partid, ch_number, payload);
 }
-static inline enum xpc_retval
+static inline enum xp_retval
-xpc_partid_to_nasids(partid_t partid, void *nasids)
+xpc_partid_to_nasids(short partid, void *nasids)
 {
        return xpc_interface.partid_to_nasids(partid, nasids);
 }
diff --git a/drivers/misc/sgi-xp/xp_main.c b/drivers/misc/sgi-xp/xp_main.c
index 1fbf99bae963..196480b691a1 100644
--- a/drivers/misc/sgi-xp/xp_main.c
+++ b/drivers/misc/sgi-xp/xp_main.c
@@ -42,21 +42,21 @@ EXPORT_SYMBOL_GPL(xpc_registrations);
 /*
 * Initialize the XPC interface to indicate that XPC isn't loaded.
 */
-static enum xpc_retval
+static enum xp_retval
 xpc_notloaded(void)
 {
-        return xpcNotLoaded;
+        return xpNotLoaded;
 }
 struct xpc_interface xpc_interface = {
        (void (*)(int))xpc_notloaded,
        (void (*)(int))xpc_notloaded,
-        (enum xpc_retval(*)(partid_t, int, u32, void **))xpc_notloaded,
+        (enum xp_retval(*)(short, int, u32, void **))xpc_notloaded,
-        (enum xpc_retval(*)(partid_t, int, void *))xpc_notloaded,
+        (enum xp_retval(*)(short, int, void *))xpc_notloaded,
-        (enum xpc_retval(*)(partid_t, int, void *, xpc_notify_func, void *))
+        (enum xp_retval(*)(short, int, void *, xpc_notify_func, void *))
            xpc_notloaded,
-        (void (*)(partid_t, int, void *))xpc_notloaded,
+        (void (*)(short, int, void *))xpc_notloaded,
-        (enum xpc_retval(*)(partid_t, void *))xpc_notloaded
+        (enum xp_retval(*)(short, void *))xpc_notloaded
 };
 EXPORT_SYMBOL_GPL(xpc_interface);
@@ -66,12 +66,12 @@ EXPORT_SYMBOL_GPL(xpc_interface);
 void
 xpc_set_interface(void (*connect) (int),
                  void (*disconnect) (int),
-                  enum xpc_retval (*allocate) (partid_t, int, u32, void **),
+                  enum xp_retval (*allocate) (short, int, u32, void **),
-                  enum xpc_retval (*send) (partid_t, int, void *),
+                  enum xp_retval (*send) (short, int, void *),
-                  enum xpc_retval (*send_notify) (partid_t, int, void *,
+                  enum xp_retval (*send_notify) (short, int, void *,
                                                  xpc_notify_func, void *),
-                  void (*received) (partid_t, int, void *),
+                  void (*received) (short, int, void *),
-                  enum xpc_retval (*partid_to_nasids) (partid_t, void *))
+                  enum xp_retval (*partid_to_nasids) (short, void *))
 {
        xpc_interface.connect = connect;
        xpc_interface.disconnect = disconnect;
@@ -91,16 +91,16 @@ xpc_clear_interface(void)
 {
        xpc_interface.connect = (void (*)(int))xpc_notloaded;
        xpc_interface.disconnect = (void (*)(int))xpc_notloaded;
-        xpc_interface.allocate = (enum xpc_retval(*)(partid_t, int, u32,
+        xpc_interface.allocate = (enum xp_retval(*)(short, int, u32,
                                                     void **))xpc_notloaded;
-        xpc_interface.send = (enum xpc_retval(*)(partid_t, int, void *))
+        xpc_interface.send = (enum xp_retval(*)(short, int, void *))
            xpc_notloaded;
-        xpc_interface.send_notify = (enum xpc_retval(*)(partid_t, int, void *,
+        xpc_interface.send_notify = (enum xp_retval(*)(short, int, void *,
                                                        xpc_notify_func,
                                                        void *))xpc_notloaded;
-        xpc_interface.received = (void (*)(partid_t, int, void *))
+        xpc_interface.received = (void (*)(short, int, void *))
            xpc_notloaded;
-        xpc_interface.partid_to_nasids = (enum xpc_retval(*)(partid_t, void *))
+        xpc_interface.partid_to_nasids = (enum xp_retval(*)(short, void *))
            xpc_notloaded;
 }
 EXPORT_SYMBOL_GPL(xpc_clear_interface);
@@ -123,13 +123,13 @@ EXPORT_SYMBOL_GPL(xpc_clear_interface);
 *      nentries - max #of XPC message entries a message queue can contain.
 *                 The actual number, which is determined when a connection
 *                 is established and may be less then requested, will be
- *                 passed to the user via the xpcConnected callout.
+ *                 passed to the user via the xpConnected callout.
 *      assigned_limit - max number of kthreads allowed to be processing
 *                       messages (per connection) at any given instant.
 *      idle_limit - max number of kthreads allowed to be idle at any given
 *                   instant.
 */
-enum xpc_retval
+enum xp_retval
 xpc_connect(int ch_number, xpc_channel_func func, void *key, u16 payload_size,
            u16 nentries, u32 assigned_limit, u32 idle_limit)
 {
@@ -143,12 +143,12 @@ xpc_connect(int ch_number, xpc_channel_func func, void *key, u16 payload_size,
        registration = &xpc_registrations[ch_number];
        if (mutex_lock_interruptible(&registration->mutex) != 0)
-                return xpcInterrupted;
+                return xpInterrupted;
        /* if XPC_CHANNEL_REGISTERED(ch_number) */
        if (registration->func != NULL) {
                mutex_unlock(&registration->mutex);
-                return xpcAlreadyRegistered;
+                return xpAlreadyRegistered;
        }
        /* register the channel for connection */
@@ -163,7 +163,7 @@ xpc_connect(int ch_number, xpc_channel_func func, void *key, u16 payload_size,
        xpc_interface.connect(ch_number);
-        return xpcSuccess;
+        return xpSuccess;
 }
 EXPORT_SYMBOL_GPL(xpc_connect);
diff --git a/drivers/misc/sgi-xp/xpc.h b/drivers/misc/sgi-xp/xpc.h
index 9eb6d4a3269c..11ac267ed68f 100644
--- a/drivers/misc/sgi-xp/xpc.h
+++ b/drivers/misc/sgi-xp/xpc.h
@@ -172,13 +172,13 @@ struct xpc_vars {
                        (_version >= _XPC_VERSION(3, 1))
 static inline int
-xpc_hb_allowed(partid_t partid, struct xpc_vars *vars)
+xpc_hb_allowed(short partid, struct xpc_vars *vars)
 {
        return ((vars->heartbeating_to_mask & (1UL << partid)) != 0);
 }
 static inline void
-xpc_allow_hb(partid_t partid, struct xpc_vars *vars)
+xpc_allow_hb(short partid, struct xpc_vars *vars)
 {
        u64 old_mask, new_mask;
@@ -190,7 +190,7 @@ xpc_allow_hb(partid_t partid, struct xpc_vars *vars)
 }
 static inline void
-xpc_disallow_hb(partid_t partid, struct xpc_vars *vars)
+xpc_disallow_hb(short partid, struct xpc_vars *vars)
 {
        u64 old_mask, new_mask;
@@ -408,11 +408,11 @@ struct xpc_notify {
 *      messages.
 */
 struct xpc_channel {
-        partid_t partid;        /* ID of remote partition connected */
+        short partid;           /* ID of remote partition connected */
        spinlock_t lock;        /* lock for updating this structure */
        u32 flags;              /* general flags */
-        enum xpc_retval reason; /* reason why channel is disconnect'g */
+        enum xp_retval reason;  /* reason why channel is disconnect'g */
        int reason_line;        /* line# disconnect initiated from */
        u16 number;             /* channel # */
@@ -522,7 +522,7 @@ struct xpc_partition {
        spinlock_t act_lock;    /* protect updating of act_state */
        u8 act_state;           /* from XPC HB viewpoint */
        u8 remote_vars_version; /* version# of partition's vars */
-        enum xpc_retval reason; /* reason partition is deactivating */
+        enum xp_retval reason;  /* reason partition is deactivating */
        int reason_line;        /* line# deactivation initiated from */
        int reactivate_nasid;   /* nasid in partition to reactivate */
@@ -615,7 +615,7 @@ struct xpc_partition {
 /* interval in seconds to print 'waiting disengagement' messages */
 #define XPC_DISENGAGE_PRINTMSG_INTERVAL         10
-#define XPC_PARTID(_p)  ((partid_t) ((_p) - &xpc_partitions[0]))
+#define XPC_PARTID(_p)  ((short)((_p) - &xpc_partitions[0]))
 /* found in xp_main.c */
 extern struct xpc_registration xpc_registrations[];
@@ -646,31 +646,31 @@ extern void xpc_allow_IPI_ops(void);
 extern void xpc_restrict_IPI_ops(void);
 extern int xpc_identify_act_IRQ_sender(void);
 extern int xpc_partition_disengaged(struct xpc_partition *);
-extern enum xpc_retval xpc_mark_partition_active(struct xpc_partition *);
+extern enum xp_retval xpc_mark_partition_active(struct xpc_partition *);
 extern void xpc_mark_partition_inactive(struct xpc_partition *);
 extern void xpc_discovery(void);
 extern void xpc_check_remote_hb(void);
 extern void xpc_deactivate_partition(const int, struct xpc_partition *,
-                                     enum xpc_retval);
+                                     enum xp_retval);
-extern enum xpc_retval xpc_initiate_partid_to_nasids(partid_t, void *);
+extern enum xp_retval xpc_initiate_partid_to_nasids(short, void *);
 /* found in xpc_channel.c */
 extern void xpc_initiate_connect(int);
 extern void xpc_initiate_disconnect(int);
-extern enum xpc_retval xpc_initiate_allocate(partid_t, int, u32, void **);
+extern enum xp_retval xpc_initiate_allocate(short, int, u32, void **);
-extern enum xpc_retval xpc_initiate_send(partid_t, int, void *);
+extern enum xp_retval xpc_initiate_send(short, int, void *);
-extern enum xpc_retval xpc_initiate_send_notify(partid_t, int, void *,
+extern enum xp_retval xpc_initiate_send_notify(short, int, void *,
-                                                xpc_notify_func, void *);
+                                               xpc_notify_func, void *);
-extern void xpc_initiate_received(partid_t, int, void *);
+extern void xpc_initiate_received(short, int, void *);
-extern enum xpc_retval xpc_setup_infrastructure(struct xpc_partition *);
+extern enum xp_retval xpc_setup_infrastructure(struct xpc_partition *);
-extern enum xpc_retval xpc_pull_remote_vars_part(struct xpc_partition *);
+extern enum xp_retval xpc_pull_remote_vars_part(struct xpc_partition *);
 extern void xpc_process_channel_activity(struct xpc_partition *);
 extern void xpc_connected_callout(struct xpc_channel *);
 extern void xpc_deliver_msg(struct xpc_channel *);
 extern void xpc_disconnect_channel(const int, struct xpc_channel *,
-                                   enum xpc_retval, unsigned long *);
+                                   enum xp_retval, unsigned long *);
-extern void xpc_disconnect_callout(struct xpc_channel *, enum xpc_retval);
+extern void xpc_disconnect_callout(struct xpc_channel *, enum xp_retval);
-extern void xpc_partition_going_down(struct xpc_partition *, enum xpc_retval);
+extern void xpc_partition_going_down(struct xpc_partition *, enum xp_retval);
 extern void xpc_teardown_infrastructure(struct xpc_partition *);
 static inline void
@@ -901,7 +901,7 @@ xpc_IPI_receive(AMO_t *amo)
        return FETCHOP_LOAD_OP(TO_AMO((u64)&amo->variable), FETCHOP_CLEAR);
 }
-static inline enum xpc_retval
+static inline enum xp_retval
 xpc_IPI_send(AMO_t *amo, u64 flag, int nasid, int phys_cpuid, int vector)
 {
        int ret = 0;
@@ -923,7 +923,7 @@ xpc_IPI_send(AMO_t *amo, u64 flag, int nasid, int phys_cpuid, int vector)
        local_irq_restore(irq_flags);
-        return ((ret == 0) ? xpcSuccess : xpcPioReadError);
+        return ((ret == 0) ? xpSuccess : xpPioReadError);
 }
 /*
@@ -992,7 +992,7 @@ xpc_notify_IRQ_send(struct xpc_channel *ch, u8 ipi_flag, char *ipi_flag_string,
                    unsigned long *irq_flags)
 {
        struct xpc_partition *part = &xpc_partitions[ch->partid];
-        enum xpc_retval ret;
+        enum xp_retval ret;
        if (likely(part->act_state != XPC_P_DEACTIVATING)) {
                ret = xpc_IPI_send(part->remote_IPI_amo_va,
@@ -1001,7 +1001,7 @@ xpc_notify_IRQ_send(struct xpc_channel *ch, u8 ipi_flag, char *ipi_flag_string,
                                   part->remote_IPI_phys_cpuid, SGI_XPC_NOTIFY);
                dev_dbg(xpc_chan, "%s sent to partid=%d, channel=%d, ret=%d\n",
                        ipi_flag_string, ch->partid, ch->number, ret);
-                if (unlikely(ret != xpcSuccess)) {
+                if (unlikely(ret != xpSuccess)) {
                        if (irq_flags != NULL)
                                spin_unlock_irqrestore(&ch->lock, *irq_flags);
                        XPC_DEACTIVATE_PARTITION(part, ret);
@@ -1123,41 +1123,10 @@ xpc_IPI_init(int index)
        return amo;
 }
-static inline enum xpc_retval
+static inline enum xp_retval
 xpc_map_bte_errors(bte_result_t error)
 {
-        if (error == BTE_SUCCESS)
+        return ((error == BTE_SUCCESS) ? xpSuccess : xpBteCopyError);
-                return xpcSuccess;
-        if (is_shub2()) {
-                if (BTE_VALID_SH2_ERROR(error))
-                        return xpcBteSh2Start + error;
-                return xpcBteUnmappedError;
-        }
-        switch (error) {
-        case BTE_SUCCESS:
-                return xpcSuccess;
-        case BTEFAIL_DIR:
-                return xpcBteDirectoryError;
-        case BTEFAIL_POISON:
-                return xpcBtePoisonError;
-        case BTEFAIL_WERR:
-                return xpcBteWriteError;
-        case BTEFAIL_ACCESS:
-                return xpcBteAccessError;
-        case BTEFAIL_PWERR:
-                return xpcBtePWriteError;
-        case BTEFAIL_PRERR:
-                return xpcBtePReadError;
-        case BTEFAIL_TOUT:
-                return xpcBteTimeOutError;
-        case BTEFAIL_XTERR:
-                return xpcBteXtalkError;
-        case BTEFAIL_NOTAVAIL:
-                return xpcBteNotAvailable;
-        default:
-                return xpcBteUnmappedError;
-        }
 }
 /*
diff --git a/drivers/misc/sgi-xp/xpc_channel.c b/drivers/misc/sgi-xp/xpc_channel.c
index bfcb9ea968e9..9c90c2d55c08 100644
--- a/drivers/misc/sgi-xp/xpc_channel.c
+++ b/drivers/misc/sgi-xp/xpc_channel.c
@@ -53,7 +53,7 @@ xpc_kzalloc_cacheline_aligned(size_t size, gfp_t flags, void **base)
 * Set up the initial values for the XPartition Communication channels.
 */
 static void
-xpc_initialize_channels(struct xpc_partition *part, partid_t partid)
+xpc_initialize_channels(struct xpc_partition *part, short partid)
 {
        int ch_number;
        struct xpc_channel *ch;
@@ -90,12 +90,12 @@ xpc_initialize_channels(struct xpc_partition *part, partid_t partid)
 * Setup the infrastructure necessary to support XPartition Communication
 * between the specified remote partition and the local one.
 */
-enum xpc_retval
+enum xp_retval
 xpc_setup_infrastructure(struct xpc_partition *part)
 {
        int ret, cpuid;
        struct timer_list *timer;
-        partid_t partid = XPC_PARTID(part);
+        short partid = XPC_PARTID(part);
        /*
         * Zero out MOST of the entry for this partition. Only the fields
@@ -114,7 +114,7 @@ xpc_setup_infrastructure(struct xpc_partition *part)
                                 GFP_KERNEL);
        if (part->channels == NULL) {
                dev_err(xpc_chan, "can't get memory for channels\n");
-                return xpcNoMemory;
+                return xpNoMemory;
        }
        part->nchannels = XPC_NCHANNELS;
@@ -129,7 +129,7 @@ xpc_setup_infrastructure(struct xpc_partition *part)
                part->channels = NULL;
                dev_err(xpc_chan, "can't get memory for local get/put "
                        "values\n");
-                return xpcNoMemory;
+                return xpNoMemory;
        }
        part->remote_GPs = xpc_kzalloc_cacheline_aligned(XPC_GP_SIZE,
@@ -143,7 +143,7 @@ xpc_setup_infrastructure(struct xpc_partition *part)
                part->local_GPs = NULL;
                kfree(part->channels);
                part->channels = NULL;
-                return xpcNoMemory;
+                return xpNoMemory;
        }
        /* allocate all the required open and close args */
@@ -159,7 +159,7 @@ xpc_setup_infrastructure(struct xpc_partition *part)
                part->local_GPs = NULL;
                kfree(part->channels);
                part->channels = NULL;
-                return xpcNoMemory;
+                return xpNoMemory;
        }
        part->remote_openclose_args =
@@ -175,7 +175,7 @@ xpc_setup_infrastructure(struct xpc_partition *part)
                part->local_GPs = NULL;
                kfree(part->channels);
                part->channels = NULL;
-                return xpcNoMemory;
+                return xpNoMemory;
        }
        xpc_initialize_channels(part, partid);
@@ -209,7 +209,7 @@ xpc_setup_infrastructure(struct xpc_partition *part)
                part->local_GPs = NULL;
                kfree(part->channels);
                part->channels = NULL;
-                return xpcLackOfResources;
+                return xpLackOfResources;
        }
        /* Setup a timer to check for dropped IPIs */
@@ -243,7 +243,7 @@ xpc_setup_infrastructure(struct xpc_partition *part)
        xpc_vars_part[partid].nchannels = part->nchannels;
        xpc_vars_part[partid].magic = XPC_VP_MAGIC1;
-        return xpcSuccess;
+        return xpSuccess;
 }
 /*
@@ -254,7 +254,7 @@ xpc_setup_infrastructure(struct xpc_partition *part)
 * dst must be a cacheline aligned virtual address on this partition.
 * cnt must be an cacheline sized
 */
-static enum xpc_retval
+static enum xp_retval
 xpc_pull_remote_cachelines(struct xpc_partition *part, void *dst,
                           const void *src, size_t cnt)
 {
@@ -270,7 +270,7 @@ xpc_pull_remote_cachelines(struct xpc_partition *part, void *dst,
        bte_ret = xp_bte_copy((u64)src, (u64)dst, (u64)cnt,
                              (BTE_NORMAL | BTE_WACQUIRE), NULL);
        if (bte_ret == BTE_SUCCESS)
-                return xpcSuccess;
+                return xpSuccess;
        dev_dbg(xpc_chan, "xp_bte_copy() from partition %d failed, ret=%d\n",
                XPC_PARTID(part), bte_ret);
@@ -282,7 +282,7 @@ xpc_pull_remote_cachelines(struct xpc_partition *part, void *dst,
 * Pull the remote per partition specific variables from the specified
 * partition.
 */
-enum xpc_retval
+enum xp_retval
 xpc_pull_remote_vars_part(struct xpc_partition *part)
 {
        u8 buffer[L1_CACHE_BYTES * 2];
@@ -290,8 +290,8 @@ xpc_pull_remote_vars_part(struct xpc_partition *part)
            (struct xpc_vars_part *)L1_CACHE_ALIGN((u64)buffer);
        struct xpc_vars_part *pulled_entry;
        u64 remote_entry_cacheline_pa, remote_entry_pa;
-        partid_t partid = XPC_PARTID(part);
+        short partid = XPC_PARTID(part);
-        enum xpc_retval ret;
+        enum xp_retval ret;
        /* pull the cacheline that contains the variables we're interested in */
@@ -311,7 +311,7 @@ xpc_pull_remote_vars_part(struct xpc_partition *part)
        ret = xpc_pull_remote_cachelines(part, pulled_entry_cacheline,
                                         (void *)remote_entry_cacheline_pa,
                                         L1_CACHE_BYTES);
-        if (ret != xpcSuccess) {
+        if (ret != xpSuccess) {
                dev_dbg(xpc_chan, "failed to pull XPC vars_part from "
                        "partition %d, ret=%d\n", partid, ret);
                return ret;
@@ -326,11 +326,11 @@ xpc_pull_remote_vars_part(struct xpc_partition *part)
                        dev_dbg(xpc_chan, "partition %d's XPC vars_part for "
                                "partition %d has bad magic value (=0x%lx)\n",
                                partid, sn_partition_id, pulled_entry->magic);
-                        return xpcBadMagic;
+                        return xpBadMagic;
                }
                /* they've not been initialized yet */
-                return xpcRetry;
+                return xpRetry;
        }
        if (xpc_vars_part[partid].magic == XPC_VP_MAGIC1) {
@@ -344,7 +344,7 @@ xpc_pull_remote_vars_part(struct xpc_partition *part)
                        dev_err(xpc_chan, "partition %d's XPC vars_part for "
                                "partition %d are not valid\n", partid,
                                sn_partition_id);
-                        return xpcInvalidAddress;
+                        return xpInvalidAddress;
                }
                /* the variables we imported look to be valid */
@@ -366,9 +366,9 @@ xpc_pull_remote_vars_part(struct xpc_partition *part)
        }
        if (pulled_entry->magic == XPC_VP_MAGIC1)
-                return xpcRetry;
+                return xpRetry;
-        return xpcSuccess;
+        return xpSuccess;
 }
 /*
@@ -379,7 +379,7 @@ xpc_get_IPI_flags(struct xpc_partition *part)
 {
        unsigned long irq_flags;
        u64 IPI_amo;
-        enum xpc_retval ret;
+        enum xp_retval ret;
        /*
         * See if there are any IPI flags to be handled.
@@ -398,7 +398,7 @@ xpc_get_IPI_flags(struct xpc_partition *part)
                                                 (void *)part->
                                                 remote_openclose_args_pa,
                                                 XPC_OPENCLOSE_ARGS_SIZE);
-                if (ret != xpcSuccess) {
+                if (ret != xpSuccess) {
                        XPC_DEACTIVATE_PARTITION(part, ret);
                        dev_dbg(xpc_chan, "failed to pull openclose args from "
@@ -414,7 +414,7 @@ xpc_get_IPI_flags(struct xpc_partition *part)
                ret = xpc_pull_remote_cachelines(part, part->remote_GPs,
                                                 (void *)part->remote_GPs_pa,
                                                 XPC_GP_SIZE);
-                if (ret != xpcSuccess) {
+                if (ret != xpSuccess) {
                        XPC_DEACTIVATE_PARTITION(part, ret);
                        dev_dbg(xpc_chan, "failed to pull GPs from partition "
@@ -431,7 +431,7 @@ xpc_get_IPI_flags(struct xpc_partition *part)
 /*
 * Allocate the local message queue and the notify queue.
 */
-static enum xpc_retval
+static enum xp_retval
 xpc_allocate_local_msgqueue(struct xpc_channel *ch)
 {
        unsigned long irq_flags;
@@ -464,18 +464,18 @@ xpc_allocate_local_msgqueue(struct xpc_channel *ch)
                        ch->local_nentries = nentries;
                }
                spin_unlock_irqrestore(&ch->lock, irq_flags);
-                return xpcSuccess;
+                return xpSuccess;
        }
        dev_dbg(xpc_chan, "can't get memory for local message queue and notify "
                "queue, partid=%d, channel=%d\n", ch->partid, ch->number);
-        return xpcNoMemory;
+        return xpNoMemory;
 }
 /*
 * Allocate the cached remote message queue.
 */
-static enum xpc_retval
+static enum xp_retval
 xpc_allocate_remote_msgqueue(struct xpc_channel *ch)
 {
        unsigned long irq_flags;
@@ -502,12 +502,12 @@ xpc_allocate_remote_msgqueue(struct xpc_channel *ch)
                        ch->remote_nentries = nentries;
                }
                spin_unlock_irqrestore(&ch->lock, irq_flags);
-                return xpcSuccess;
+                return xpSuccess;
        }
        dev_dbg(xpc_chan, "can't get memory for cached remote message queue, "
                "partid=%d, channel=%d\n", ch->partid, ch->number);
-        return xpcNoMemory;
+        return xpNoMemory;
 }
 /*
@@ -515,20 +515,20 @@ xpc_allocate_remote_msgqueue(struct xpc_channel *ch)
 *
 * Note: Assumes all of the channel sizes are filled in.
 */
-static enum xpc_retval
+static enum xp_retval
 xpc_allocate_msgqueues(struct xpc_channel *ch)
 {
        unsigned long irq_flags;
-        enum xpc_retval ret;
+        enum xp_retval ret;
        DBUG_ON(ch->flags & XPC_C_SETUP);
        ret = xpc_allocate_local_msgqueue(ch);
-        if (ret != xpcSuccess)
+        if (ret != xpSuccess)
                return ret;
        ret = xpc_allocate_remote_msgqueue(ch);
-        if (ret != xpcSuccess) {
+        if (ret != xpSuccess) {
                kfree(ch->local_msgqueue_base);
                ch->local_msgqueue = NULL;
                kfree(ch->notify_queue);
@@ -540,7 +540,7 @@ xpc_allocate_msgqueues(struct xpc_channel *ch)
        ch->flags |= XPC_C_SETUP;
        spin_unlock_irqrestore(&ch->lock, irq_flags);
-        return xpcSuccess;
+        return xpSuccess;
 }
 /*
@@ -552,7 +552,7 @@ xpc_allocate_msgqueues(struct xpc_channel *ch)
 static void
 xpc_process_connect(struct xpc_channel *ch, unsigned long *irq_flags)
 {
-        enum xpc_retval ret;
+        enum xp_retval ret;
        DBUG_ON(!spin_is_locked(&ch->lock));
@@ -568,7 +568,7 @@ xpc_process_connect(struct xpc_channel *ch, unsigned long *irq_flags)
                ret = xpc_allocate_msgqueues(ch);
                spin_lock_irqsave(&ch->lock, *irq_flags);
-                if (ret != xpcSuccess)
+                if (ret != xpSuccess)
                        XPC_DISCONNECT_CHANNEL(ch, ret, irq_flags);
                if (ch->flags & (XPC_C_CONNECTED | XPC_C_DISCONNECTING))
@@ -603,7 +603,7 @@ xpc_process_connect(struct xpc_channel *ch, unsigned long *irq_flags)
 * Notify those who wanted to be notified upon delivery of their message.
 */
 static void
-xpc_notify_senders(struct xpc_channel *ch, enum xpc_retval reason, s64 put)
+xpc_notify_senders(struct xpc_channel *ch, enum xp_retval reason, s64 put)
 {
        struct xpc_notify *notify;
        u8 notify_type;
@@ -748,7 +748,7 @@ xpc_process_disconnect(struct xpc_channel *ch, unsigned long *irq_flags)
        if (ch->flags & XPC_C_DISCONNECTINGCALLOUT_MADE) {
                spin_unlock_irqrestore(&ch->lock, *irq_flags);
-                xpc_disconnect_callout(ch, xpcDisconnected);
+                xpc_disconnect_callout(ch, xpDisconnected);
                spin_lock_irqsave(&ch->lock, *irq_flags);
        }
@@ -791,7 +791,7 @@ xpc_process_openclose_IPI(struct xpc_partition *part, int ch_number,
        struct xpc_openclose_args *args =
            &part->remote_openclose_args[ch_number];
        struct xpc_channel *ch = &part->channels[ch_number];
-        enum xpc_retval reason;
+        enum xp_retval reason;
        spin_lock_irqsave(&ch->lock, irq_flags);
@@ -871,10 +871,10 @@ again:
                if (!(ch->flags & XPC_C_DISCONNECTING)) {
                        reason = args->reason;
-                        if (reason <= xpcSuccess || reason > xpcUnknownReason)
+                        if (reason <= xpSuccess || reason > xpUnknownReason)
-                                reason = xpcUnknownReason;
+                                reason = xpUnknownReason;
-                        else if (reason == xpcUnregistering)
+                        else if (reason == xpUnregistering)
-                                reason = xpcOtherUnregistering;
+                                reason = xpOtherUnregistering;
                        XPC_DISCONNECT_CHANNEL(ch, reason, &irq_flags);
@@ -961,7 +961,7 @@ again:
                if (ch->flags & XPC_C_OPENREQUEST) {
                        if (args->msg_size != ch->msg_size) {
-                                XPC_DISCONNECT_CHANNEL(ch, xpcUnequalMsgSizes,
+                                XPC_DISCONNECT_CHANNEL(ch, xpUnequalMsgSizes,
                                                       &irq_flags);
                                spin_unlock_irqrestore(&ch->lock, irq_flags);
                                return;
@@ -991,7 +991,7 @@ again:
                        return;
                }
                if (!(ch->flags & XPC_C_OPENREQUEST)) {
-                        XPC_DISCONNECT_CHANNEL(ch, xpcOpenCloseError,
+                        XPC_DISCONNECT_CHANNEL(ch, xpOpenCloseError,
                                               &irq_flags);
                        spin_unlock_irqrestore(&ch->lock, irq_flags);
                        return;
@@ -1042,18 +1042,18 @@ again:
 /*
 * Attempt to establish a channel connection to a remote partition.
 */
-static enum xpc_retval
+static enum xp_retval
 xpc_connect_channel(struct xpc_channel *ch)
 {
        unsigned long irq_flags;
        struct xpc_registration *registration = &xpc_registrations[ch->number];
        if (mutex_trylock(&registration->mutex) == 0)
-                return xpcRetry;
+                return xpRetry;
        if (!XPC_CHANNEL_REGISTERED(ch->number)) {
                mutex_unlock(&registration->mutex);
-                return xpcUnregistered;
+                return xpUnregistered;
        }
        spin_lock_irqsave(&ch->lock, irq_flags);
@@ -1095,10 +1095,10 @@ xpc_connect_channel(struct xpc_channel *ch)
                         * the channel lock as needed.
                         */
                        mutex_unlock(&registration->mutex);
-                        XPC_DISCONNECT_CHANNEL(ch, xpcUnequalMsgSizes,
+                        XPC_DISCONNECT_CHANNEL(ch, xpUnequalMsgSizes,
                                               &irq_flags);
                        spin_unlock_irqrestore(&ch->lock, irq_flags);
-                        return xpcUnequalMsgSizes;
+                        return xpUnequalMsgSizes;
                }
        } else {
                ch->msg_size = registration->msg_size;
@@ -1120,7 +1120,7 @@ xpc_connect_channel(struct xpc_channel *ch)
        spin_unlock_irqrestore(&ch->lock, irq_flags);
-        return xpcSuccess;
+        return xpSuccess;
 }
 /*
@@ -1203,7 +1203,7 @@ xpc_process_msg_IPI(struct xpc_partition *part, int ch_number)
                         * Notify senders that messages sent have been
                         * received and delivered by the other side.
                         */
-                        xpc_notify_senders(ch, xpcMsgDelivered,
+                        xpc_notify_senders(ch, xpMsgDelivered,
                                           ch->remote_GP.get);
                }
@@ -1335,7 +1335,7 @@ xpc_process_channel_activity(struct xpc_partition *part)
 * at the same time.
 */
 void
-xpc_partition_going_down(struct xpc_partition *part, enum xpc_retval reason)
+xpc_partition_going_down(struct xpc_partition *part, enum xp_retval reason)
 {
        unsigned long irq_flags;
        int ch_number;
@@ -1375,7 +1375,7 @@ xpc_partition_going_down(struct xpc_partition *part, enum xpc_retval reason)
 void
 xpc_teardown_infrastructure(struct xpc_partition *part)
 {
-        partid_t partid = XPC_PARTID(part);
+        short partid = XPC_PARTID(part);
        /*
         * We start off by making this partition inaccessible to local
@@ -1428,7 +1428,7 @@ xpc_teardown_infrastructure(struct xpc_partition *part)
 void
 xpc_initiate_connect(int ch_number)
 {
-        partid_t partid;
+        short partid;
        struct xpc_partition *part;
        struct xpc_channel *ch;
@@ -1456,13 +1456,13 @@ xpc_connected_callout(struct xpc_channel *ch)
        /* let the registerer know that a connection has been established */
        if (ch->func != NULL) {
-                dev_dbg(xpc_chan, "ch->func() called, reason=xpcConnected, "
+                dev_dbg(xpc_chan, "ch->func() called, reason=xpConnected, "
                        "partid=%d, channel=%d\n", ch->partid, ch->number);
-                ch->func(xpcConnected, ch->partid, ch->number,
+                ch->func(xpConnected, ch->partid, ch->number,
                         (void *)(u64)ch->local_nentries, ch->key);
-                dev_dbg(xpc_chan, "ch->func() returned, reason=xpcConnected, "
+                dev_dbg(xpc_chan, "ch->func() returned, reason=xpConnected, "
                        "partid=%d, channel=%d\n", ch->partid, ch->number);
        }
 }
@@ -1484,7 +1484,7 @@ void
 xpc_initiate_disconnect(int ch_number)
 {
        unsigned long irq_flags;
-        partid_t partid;
+        short partid;
        struct xpc_partition *part;
        struct xpc_channel *ch;
@@ -1503,7 +1503,7 @@ xpc_initiate_disconnect(int ch_number)
                        if (!(ch->flags & XPC_C_DISCONNECTED)) {
                                ch->flags |= XPC_C_WDISCONNECT;
-                                XPC_DISCONNECT_CHANNEL(ch, xpcUnregistering,
+                                XPC_DISCONNECT_CHANNEL(ch, xpUnregistering,
                                                       &irq_flags);
                        }
@@ -1528,7 +1528,7 @@ xpc_initiate_disconnect(int ch_number)
 */
 void
 xpc_disconnect_channel(const int line, struct xpc_channel *ch,
-                       enum xpc_retval reason, unsigned long *irq_flags)
+                       enum xp_retval reason, unsigned long *irq_flags)
 {
        u32 channel_was_connected = (ch->flags & XPC_C_CONNECTED);
@@ -1563,7 +1563,7 @@ xpc_disconnect_channel(const int line, struct xpc_channel *ch,
        } else if ((ch->flags & XPC_C_CONNECTEDCALLOUT_MADE) &&
                   !(ch->flags & XPC_C_DISCONNECTINGCALLOUT)) {
-                /* start a kthread that will do the xpcDisconnecting callout */
+                /* start a kthread that will do the xpDisconnecting callout */
                xpc_create_kthreads(ch, 1, 1);
        }
@@ -1575,7 +1575,7 @@ xpc_disconnect_channel(const int line, struct xpc_channel *ch,
 }
 void
-xpc_disconnect_callout(struct xpc_channel *ch, enum xpc_retval reason)
+xpc_disconnect_callout(struct xpc_channel *ch, enum xp_retval reason)
 {
        /*
         * Let the channel's registerer know that the channel is being
@@ -1598,13 +1598,13 @@ xpc_disconnect_callout(struct xpc_channel *ch, enum xpc_retval reason)
 * Wait for a message entry to become available for the specified channel,
 * but don't wait any longer than 1 jiffy.
 */
-static enum xpc_retval
+static enum xp_retval
 xpc_allocate_msg_wait(struct xpc_channel *ch)
 {
-        enum xpc_retval ret;
+        enum xp_retval ret;
        if (ch->flags & XPC_C_DISCONNECTING) {
-                DBUG_ON(ch->reason == xpcInterrupted);
+                DBUG_ON(ch->reason == xpInterrupted);
                return ch->reason;
        }
@@ -1614,11 +1614,11 @@ xpc_allocate_msg_wait(struct xpc_channel *ch)
        if (ch->flags & XPC_C_DISCONNECTING) {
                ret = ch->reason;
-                DBUG_ON(ch->reason == xpcInterrupted);
+                DBUG_ON(ch->reason == xpInterrupted);
        } else if (ret == 0) {
-                ret = xpcTimeout;
+                ret = xpTimeout;
        } else {
-                ret = xpcInterrupted;
+                ret = xpInterrupted;
        }
        return ret;
@@ -1628,12 +1628,12 @@ xpc_allocate_msg_wait(struct xpc_channel *ch)
 * Allocate an entry for a message from the message queue associated with the
 * specified channel.
 */
-static enum xpc_retval
+static enum xp_retval
 xpc_allocate_msg(struct xpc_channel *ch, u32 flags,
                 struct xpc_msg **address_of_msg)
 {
        struct xpc_msg *msg;
-        enum xpc_retval ret;
+        enum xp_retval ret;
        s64 put;
        /* this reference will be dropped in xpc_send_msg() */
@@ -1645,7 +1645,7 @@ xpc_allocate_msg(struct xpc_channel *ch, u32 flags,
        }
        if (!(ch->flags & XPC_C_CONNECTED)) {
                xpc_msgqueue_deref(ch);
-                return xpcNotConnected;
+                return xpNotConnected;
        }
        /*
@@ -1653,7 +1653,7 @@ xpc_allocate_msg(struct xpc_channel *ch, u32 flags,
         * If none are available, we'll make sure that we grab the latest
         * GP values.
         */
-        ret = xpcTimeout;
+        ret = xpTimeout;
        while (1) {
@@ -1683,16 +1683,16 @@ xpc_allocate_msg(struct xpc_channel *ch, u32 flags,
                 * that will cause the IPI handler to fetch the latest
                 * GP values as if an IPI was sent by the other side.
                 */
-                if (ret == xpcTimeout)
+                if (ret == xpTimeout)
                        xpc_IPI_send_local_msgrequest(ch);
                if (flags & XPC_NOWAIT) {
                        xpc_msgqueue_deref(ch);
-                        return xpcNoWait;
+                        return xpNoWait;
                }
                ret = xpc_allocate_msg_wait(ch);
-                if (ret != xpcInterrupted && ret != xpcTimeout) {
+                if (ret != xpInterrupted && ret != xpTimeout) {
                        xpc_msgqueue_deref(ch);
                        return ret;
                }
@@ -1711,7 +1711,7 @@ xpc_allocate_msg(struct xpc_channel *ch, u32 flags,
        *address_of_msg = msg;
-        return xpcSuccess;
+        return xpSuccess;
 }
 /*
@@ -1727,11 +1727,11 @@ xpc_allocate_msg(struct xpc_channel *ch, u32 flags,
 *      payload - address of the allocated payload area pointer (filled in on
 *                return) in which the user-defined message is constructed.
 */
-enum xpc_retval
+enum xp_retval
-xpc_initiate_allocate(partid_t partid, int ch_number, u32 flags, void **payload)
+xpc_initiate_allocate(short partid, int ch_number, u32 flags, void **payload)
 {
        struct xpc_partition *part = &xpc_partitions[partid];
-        enum xpc_retval ret = xpcUnknownReason;
+        enum xp_retval ret = xpUnknownReason;
        struct xpc_msg *msg = NULL;
        DBUG_ON(partid <= 0 || partid >= XP_MAX_PARTITIONS);
@@ -1814,11 +1814,11 @@ xpc_send_msgs(struct xpc_channel *ch, s64 initial_put)
 * local message queue's Put value and sends an IPI to the partition the
 * message is being sent to.
 */
-static enum xpc_retval
+static enum xp_retval
 xpc_send_msg(struct xpc_channel *ch, struct xpc_msg *msg, u8 notify_type,
             xpc_notify_func func, void *key)
 {
-        enum xpc_retval ret = xpcSuccess;
+        enum xp_retval ret = xpSuccess;
        struct xpc_notify *notify = notify;
        s64 put, msg_number = msg->number;
@@ -1908,12 +1908,12 @@ xpc_send_msg(struct xpc_channel *ch, struct xpc_msg *msg, u8 notify_type,
 *      payload - pointer to the payload area allocated via
 *                      xpc_initiate_allocate().
 */
-enum xpc_retval
+enum xp_retval
-xpc_initiate_send(partid_t partid, int ch_number, void *payload)
+xpc_initiate_send(short partid, int ch_number, void *payload)
 {
        struct xpc_partition *part = &xpc_partitions[partid];
        struct xpc_msg *msg = XPC_MSG_ADDRESS(payload);
-        enum xpc_retval ret;
+        enum xp_retval ret;
        dev_dbg(xpc_chan, "msg=0x%p, partid=%d, channel=%d\n", (void *)msg,
                partid, ch_number);
@@ -1957,13 +1957,13 @@ xpc_initiate_send(partid_t partid, int ch_number, void *payload)
 *                receipt. THIS FUNCTION MUST BE NON-BLOCKING.
 *      key - user-defined key to be passed to the function when it's called.
 */
-enum xpc_retval
+enum xp_retval
-xpc_initiate_send_notify(partid_t partid, int ch_number, void *payload,
+xpc_initiate_send_notify(short partid, int ch_number, void *payload,
                         xpc_notify_func func, void *key)
 {
        struct xpc_partition *part = &xpc_partitions[partid];
        struct xpc_msg *msg = XPC_MSG_ADDRESS(payload);
-        enum xpc_retval ret;
+        enum xp_retval ret;
        dev_dbg(xpc_chan, "msg=0x%p, partid=%d, channel=%d\n", (void *)msg,
                partid, ch_number);
@@ -1985,7 +1985,7 @@ xpc_pull_remote_msg(struct xpc_channel *ch, s64 get)
        struct xpc_msg *remote_msg, *msg;
        u32 msg_index, nmsgs;
        u64 msg_offset;
-        enum xpc_retval ret;
+        enum xp_retval ret;
        if (mutex_lock_interruptible(&ch->msg_to_pull_mutex) != 0) {
                /* we were interrupted by a signal */
@@ -2012,7 +2012,7 @@ xpc_pull_remote_msg(struct xpc_channel *ch, s64 get)
                ret = xpc_pull_remote_cachelines(part, msg, remote_msg,
                                                 nmsgs * ch->msg_size);
-                if (ret != xpcSuccess) {
+                if (ret != xpSuccess) {
                        dev_dbg(xpc_chan, "failed to pull %d msgs starting with"
                                " msg %ld from partition %d, channel=%d, "
@@ -2112,7 +2112,7 @@ xpc_deliver_msg(struct xpc_channel *ch)
                                ch->number);
                        /* deliver the message to its intended recipient */
-                        ch->func(xpcMsgReceived, ch->partid, ch->number,
+                        ch->func(xpMsgReceived, ch->partid, ch->number,
                                 &msg->payload, ch->key);
                        dev_dbg(xpc_chan, "ch->func() returned, msg=0x%p, "
@@ -2203,7 +2203,7 @@ xpc_acknowledge_msgs(struct xpc_channel *ch, s64 initial_get, u8 msg_flags)
 *                      xpc_initiate_allocate().
 */
 void
-xpc_initiate_received(partid_t partid, int ch_number, void *payload)
+xpc_initiate_received(short partid, int ch_number, void *payload)
 {
        struct xpc_partition *part = &xpc_partitions[partid];
        struct xpc_channel *ch;
diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c
index f673ba90eb0e..08256ed0d9a6 100644
--- a/drivers/misc/sgi-xp/xpc_main.c
+++ b/drivers/misc/sgi-xp/xpc_main.c
@@ -315,13 +315,13 @@ xpc_initiate_discovery(void *ignore)
 * the XPC per partition variables from the remote partition and waiting for
 * the remote partition to pull ours.
 */
-static enum xpc_retval
+static enum xp_retval
 xpc_make_first_contact(struct xpc_partition *part)
 {
-        enum xpc_retval ret;
+        enum xp_retval ret;
-        while ((ret = xpc_pull_remote_vars_part(part)) != xpcSuccess) {
+        while ((ret = xpc_pull_remote_vars_part(part)) != xpSuccess) {
-                if (ret != xpcRetry) {
+                if (ret != xpRetry) {
                        XPC_DEACTIVATE_PARTITION(part, ret);
                        return ret;
                }
@@ -406,7 +406,7 @@ xpc_partition_up(struct xpc_partition *part)
        dev_dbg(xpc_chan, "activating partition %d\n", XPC_PARTID(part));
-        if (xpc_setup_infrastructure(part) != xpcSuccess)
+        if (xpc_setup_infrastructure(part) != xpSuccess)
                return;
        /*
@@ -418,7 +418,7 @@ xpc_partition_up(struct xpc_partition *part)
        (void)xpc_part_ref(part);       /* this will always succeed */
-        if (xpc_make_first_contact(part) == xpcSuccess)
+        if (xpc_make_first_contact(part) == xpSuccess)
                xpc_channel_mgr(part);
        xpc_part_deref(part);
@@ -429,7 +429,7 @@ xpc_partition_up(struct xpc_partition *part)
 static int
 xpc_activating(void *__partid)
 {
-        partid_t partid = (u64)__partid;
+        short partid = (u64)__partid;
        struct xpc_partition *part = &xpc_partitions[partid];
        unsigned long irq_flags;
@@ -470,7 +470,7 @@ xpc_activating(void *__partid)
                spin_lock_irqsave(&part->act_lock, irq_flags);
                part->act_state = XPC_P_INACTIVE;
-                XPC_SET_REASON(part, xpcPhysAddrRegFailed, __LINE__);
+                XPC_SET_REASON(part, xpPhysAddrRegFailed, __LINE__);
                spin_unlock_irqrestore(&part->act_lock, irq_flags);
                part->remote_rp_pa = 0;
                return 0;
@@ -488,7 +488,7 @@ xpc_activating(void *__partid)
        xpc_disallow_hb(partid, xpc_vars);
        xpc_mark_partition_inactive(part);
-        if (part->reason == xpcReactivating) {
+        if (part->reason == xpReactivating) {
                /* interrupting ourselves results in activating partition */
                xpc_IPI_send_reactivate(part);
        }
@@ -499,7 +499,7 @@ xpc_activating(void *__partid)
 void
 xpc_activate_partition(struct xpc_partition *part)
 {
-        partid_t partid = XPC_PARTID(part);
+        short partid = XPC_PARTID(part);
        unsigned long irq_flags;
        struct task_struct *kthread;
@@ -508,7 +508,7 @@ xpc_activate_partition(struct xpc_partition *part)
        DBUG_ON(part->act_state != XPC_P_INACTIVE);
        part->act_state = XPC_P_ACTIVATION_REQ;
-        XPC_SET_REASON(part, xpcCloneKThread, __LINE__);
+        XPC_SET_REASON(part, xpCloneKThread, __LINE__);
        spin_unlock_irqrestore(&part->act_lock, irq_flags);
@@ -517,7 +517,7 @@ xpc_activate_partition(struct xpc_partition *part)
        if (IS_ERR(kthread)) {
                spin_lock_irqsave(&part->act_lock, irq_flags);
                part->act_state = XPC_P_INACTIVE;
-                XPC_SET_REASON(part, xpcCloneKThreadFailed, __LINE__);
+                XPC_SET_REASON(part, xpCloneKThreadFailed, __LINE__);
                spin_unlock_irqrestore(&part->act_lock, irq_flags);
        }
 }
@@ -541,7 +541,7 @@ xpc_activate_partition(struct xpc_partition *part)
 irqreturn_t
 xpc_notify_IRQ_handler(int irq, void *dev_id)
 {
-        partid_t partid = (partid_t) (u64)dev_id;
+        short partid = (short)(u64)dev_id;
        struct xpc_partition *part = &xpc_partitions[partid];
        DBUG_ON(partid <= 0 || partid >= XP_MAX_PARTITIONS);
@@ -643,7 +643,7 @@ xpc_kthread_waitmsgs(struct xpc_partition *part, struct xpc_channel *ch)
 static int
 xpc_kthread_start(void *args)
 {
-        partid_t partid = XPC_UNPACK_ARG1(args);
+        short partid = XPC_UNPACK_ARG1(args);
        u16 ch_number = XPC_UNPACK_ARG2(args);
        struct xpc_partition *part = &xpc_partitions[partid];
        struct xpc_channel *ch;
@@ -696,7 +696,7 @@ xpc_kthread_start(void *args)
                ch->flags |= XPC_C_DISCONNECTINGCALLOUT;
                spin_unlock_irqrestore(&ch->lock, irq_flags);
-                xpc_disconnect_callout(ch, xpcDisconnecting);
+                xpc_disconnect_callout(ch, xpDisconnecting);
                spin_lock_irqsave(&ch->lock, irq_flags);
                ch->flags |= XPC_C_DISCONNECTINGCALLOUT_MADE;
@@ -776,7 +776,7 @@ xpc_create_kthreads(struct xpc_channel *ch, int needed,
                         * then we'll deadlock if all other kthreads assigned
                         * to this channel are blocked in the channel's
                         * registerer, because the only thing that will unblock
-                         * them is the xpcDisconnecting callout that this
+                         * them is the xpDisconnecting callout that this
                         * failed kthread_run() would have made.
                         */
@@ -796,7 +796,7 @@ xpc_create_kthreads(struct xpc_channel *ch, int needed,
                                 * to function.
                                 */
                                spin_lock_irqsave(&ch->lock, irq_flags);
-                                XPC_DISCONNECT_CHANNEL(ch, xpcLackOfResources,
+                                XPC_DISCONNECT_CHANNEL(ch, xpLackOfResources,
                                                       &irq_flags);
                                spin_unlock_irqrestore(&ch->lock, irq_flags);
                        }
@@ -809,7 +809,7 @@ void
 xpc_disconnect_wait(int ch_number)
 {
        unsigned long irq_flags;
-        partid_t partid;
+        short partid;
        struct xpc_partition *part;
        struct xpc_channel *ch;
        int wakeup_channel_mgr;
@@ -857,9 +857,9 @@ xpc_disconnect_wait(int ch_number)
 }
 static void
-xpc_do_exit(enum xpc_retval reason)
+xpc_do_exit(enum xp_retval reason)
 {
-        partid_t partid;
+        short partid;
        int active_part_count, printed_waiting_msg = 0;
        struct xpc_partition *part;
        unsigned long printmsg_time, disengage_request_timeout = 0;
@@ -955,7 +955,7 @@ xpc_do_exit(enum xpc_retval reason)
        del_timer_sync(&xpc_hb_timer);
        DBUG_ON(xpc_vars->heartbeating_to_mask != 0);
-        if (reason == xpcUnloading) {
+        if (reason == xpUnloading) {
                /* take ourselves off of the reboot_notifier_list */
                (void)unregister_reboot_notifier(&xpc_reboot_notifier);
@@ -981,20 +981,20 @@ xpc_do_exit(enum xpc_retval reason)
 static int
 xpc_system_reboot(struct notifier_block *nb, unsigned long event, void *unused)
 {
-        enum xpc_retval reason;
+        enum xp_retval reason;
        switch (event) {
        case SYS_RESTART:
-                reason = xpcSystemReboot;
+                reason = xpSystemReboot;
                break;
        case SYS_HALT:
-                reason = xpcSystemHalt;
+                reason = xpSystemHalt;
                break;
        case SYS_POWER_OFF:
-                reason = xpcSystemPoweroff;
+                reason = xpSystemPoweroff;
                break;
        default:
-                reason = xpcSystemGoingDown;
+                reason = xpSystemGoingDown;
        }
        xpc_do_exit(reason);
@@ -1008,7 +1008,7 @@ static void
 xpc_die_disengage(void)
 {
        struct xpc_partition *part;
-        partid_t partid;
+        short partid;
        unsigned long engaged;
        long time, printmsg_time, disengage_request_timeout;
@@ -1124,7 +1124,7 @@ int __init
 xpc_init(void)
 {
        int ret;
-        partid_t partid;
+        short partid;
        struct xpc_partition *part;
        struct task_struct *kthread;
        size_t buf_size;
@@ -1279,7 +1279,7 @@ xpc_init(void)
                /* mark this new thread as a non-starter */
                complete(&xpc_discovery_exited);
-                xpc_do_exit(xpcUnloading);
+                xpc_do_exit(xpUnloading);
                return -EBUSY;
        }
@@ -1297,7 +1297,7 @@ module_init(xpc_init);
 void __exit
 xpc_exit(void)
 {
-        xpc_do_exit(xpcUnloading);
+        xpc_do_exit(xpUnloading);
 }
 module_exit(xpc_exit);
diff --git a/drivers/misc/sgi-xp/xpc_partition.c b/drivers/misc/sgi-xp/xpc_partition.c
index acd3fd4285d7..7dd4b5812c42 100644
--- a/drivers/misc/sgi-xp/xpc_partition.c
+++ b/drivers/misc/sgi-xp/xpc_partition.c
@@ -403,7 +403,7 @@ xpc_check_remote_hb(void)
 {
        struct xpc_vars *remote_vars;
        struct xpc_partition *part;
-        partid_t partid;
+        short partid;
        bte_result_t bres;
        remote_vars = (struct xpc_vars *)xpc_remote_copy_buffer;
@@ -444,7 +444,7 @@ xpc_check_remote_hb(void)
                     (remote_vars->heartbeat_offline == 0)) ||
                    !xpc_hb_allowed(sn_partition_id, remote_vars)) {
-                        XPC_DEACTIVATE_PARTITION(part, xpcNoHeartbeat);
+                        XPC_DEACTIVATE_PARTITION(part, xpNoHeartbeat);
                        continue;
                }
@@ -459,7 +459,7 @@ xpc_check_remote_hb(void)
 * is large enough to contain a copy of their reserved page header and
 * part_nasids mask.
 */
-static enum xpc_retval
+static enum xp_retval
 xpc_get_remote_rp(int nasid, u64 *discovered_nasids,
                  struct xpc_rsvd_page *remote_rp, u64 *remote_rp_pa)
 {
@@ -469,7 +469,7 @@ xpc_get_remote_rp(int nasid, u64 *discovered_nasids,
        *remote_rp_pa = xpc_get_rsvd_page_pa(nasid);
        if (*remote_rp_pa == 0)
-                return xpcNoRsvdPageAddr;
+                return xpNoRsvdPageAddr;
        /* pull over the reserved page header and part_nasids mask */
        bres = xp_bte_copy(*remote_rp_pa, (u64)remote_rp,
@@ -489,18 +489,18 @@ xpc_get_remote_rp(int nasid, u64 *discovered_nasids,
        if (remote_rp->partid < 1 ||
            remote_rp->partid > (XP_MAX_PARTITIONS - 1)) {
-                return xpcInvalidPartid;
+                return xpInvalidPartid;
        }
        if (remote_rp->partid == sn_partition_id)
-                return xpcLocalPartid;
+                return xpLocalPartid;
        if (XPC_VERSION_MAJOR(remote_rp->version) !=
            XPC_VERSION_MAJOR(XPC_RP_VERSION)) {
-                return xpcBadVersion;
+                return xpBadVersion;
        }
-        return xpcSuccess;
+        return xpSuccess;
 }
 /*
@@ -509,13 +509,13 @@ xpc_get_remote_rp(int nasid, u64 *discovered_nasids,
 * remote_vars points to a buffer that is cacheline aligned for BTE copies and
 * assumed to be of size XPC_RP_VARS_SIZE.
 */
-static enum xpc_retval
+static enum xp_retval
 xpc_get_remote_vars(u64 remote_vars_pa, struct xpc_vars *remote_vars)
 {
        int bres;
        if (remote_vars_pa == 0)
-                return xpcVarsNotSet;
+                return xpVarsNotSet;
        /* pull over the cross partition variables */
        bres = xp_bte_copy(remote_vars_pa, (u64)remote_vars, XPC_RP_VARS_SIZE,
@@ -525,10 +525,10 @@ xpc_get_remote_vars(u64 remote_vars_pa, struct xpc_vars *remote_vars)
        if (XPC_VERSION_MAJOR(remote_vars->version) !=
            XPC_VERSION_MAJOR(XPC_V_VERSION)) {
-                return xpcBadVersion;
+                return xpBadVersion;
        }
-        return xpcSuccess;
+        return xpSuccess;
 }
 /*
@@ -604,16 +604,16 @@ xpc_identify_act_IRQ_req(int nasid)
        int reactivate = 0;
        int stamp_diff;
        struct timespec remote_rp_stamp = { 0, 0 };
-        partid_t partid;
+        short partid;
        struct xpc_partition *part;
-        enum xpc_retval ret;
+        enum xp_retval ret;
        /* pull over the reserved page structure */
        remote_rp = (struct xpc_rsvd_page *)xpc_remote_copy_buffer;
        ret = xpc_get_remote_rp(nasid, NULL, remote_rp, &remote_rp_pa);
-        if (ret != xpcSuccess) {
+        if (ret != xpSuccess) {
                dev_warn(xpc_part, "unable to get reserved page from nasid %d, "
                         "which sent interrupt, reason=%d\n", nasid, ret);
                return;
@@ -632,7 +632,7 @@ xpc_identify_act_IRQ_req(int nasid)
        remote_vars = (struct xpc_vars *)xpc_remote_copy_buffer;
        ret = xpc_get_remote_vars(remote_vars_pa, remote_vars);
-        if (ret != xpcSuccess) {
+        if (ret != xpSuccess) {
                dev_warn(xpc_part, "unable to get XPC variables from nasid %d, "
                         "which sent interrupt, reason=%d\n", nasid, ret);
@@ -699,7 +699,7 @@ xpc_identify_act_IRQ_req(int nasid)
                                          &remote_rp_stamp, remote_rp_pa,
                                          remote_vars_pa, remote_vars);
                part->reactivate_nasid = nasid;
-                XPC_DEACTIVATE_PARTITION(part, xpcReactivating);
+                XPC_DEACTIVATE_PARTITION(part, xpReactivating);
                return;
        }
@@ -754,11 +754,11 @@ xpc_identify_act_IRQ_req(int nasid)
        if (reactivate) {
                part->reactivate_nasid = nasid;
-                XPC_DEACTIVATE_PARTITION(part, xpcReactivating);
+                XPC_DEACTIVATE_PARTITION(part, xpReactivating);
        } else if (XPC_SUPPORTS_DISENGAGE_REQUEST(part->remote_vars_version) &&
                   xpc_partition_disengage_requested(1UL << partid)) {
-                XPC_DEACTIVATE_PARTITION(part, xpcOtherGoingDown);
+                XPC_DEACTIVATE_PARTITION(part, xpOtherGoingDown);
        }
 }
@@ -825,7 +825,7 @@ xpc_identify_act_IRQ_sender(void)
 int
 xpc_partition_disengaged(struct xpc_partition *part)
 {
-        partid_t partid = XPC_PARTID(part);
+        short partid = XPC_PARTID(part);
        int disengaged;
        disengaged = (xpc_partition_engaged(1UL << partid) == 0);
@@ -870,20 +870,20 @@ xpc_partition_disengaged(struct xpc_partition *part)
 /*
 * Mark specified partition as active.
 */
-enum xpc_retval
+enum xp_retval
 xpc_mark_partition_active(struct xpc_partition *part)
 {
        unsigned long irq_flags;
-        enum xpc_retval ret;
+        enum xp_retval ret;
        dev_dbg(xpc_part, "setting partition %d to ACTIVE\n", XPC_PARTID(part));
        spin_lock_irqsave(&part->act_lock, irq_flags);
        if (part->act_state == XPC_P_ACTIVATING) {
                part->act_state = XPC_P_ACTIVE;
-                ret = xpcSuccess;
+                ret = xpSuccess;
        } else {
-                DBUG_ON(part->reason == xpcSuccess);
+                DBUG_ON(part->reason == xpSuccess);
                ret = part->reason;
        }
        spin_unlock_irqrestore(&part->act_lock, irq_flags);
@@ -896,7 +896,7 @@ xpc_mark_partition_active(struct xpc_partition *part)
 */
 void
 xpc_deactivate_partition(const int line, struct xpc_partition *part,
-                         enum xpc_retval reason)
+                         enum xp_retval reason)
 {
        unsigned long irq_flags;
@@ -905,15 +905,15 @@ xpc_deactivate_partition(const int line, struct xpc_partition *part,
        if (part->act_state == XPC_P_INACTIVE) {
                XPC_SET_REASON(part, reason, line);
                spin_unlock_irqrestore(&part->act_lock, irq_flags);
-                if (reason == xpcReactivating) {
+                if (reason == xpReactivating) {
                        /* we interrupt ourselves to reactivate partition */
                        xpc_IPI_send_reactivate(part);
                }
                return;
        }
        if (part->act_state == XPC_P_DEACTIVATING) {
-                if ((part->reason == xpcUnloading && reason != xpcUnloading) ||
+                if ((part->reason == xpUnloading && reason != xpUnloading) ||
-                    reason == xpcReactivating) {
+                    reason == xpReactivating) {
                        XPC_SET_REASON(part, reason, line);
                }
                spin_unlock_irqrestore(&part->act_lock, irq_flags);
@@ -982,10 +982,10 @@ xpc_discovery(void)
        int max_regions;
        int nasid;
        struct xpc_rsvd_page *rp;
-        partid_t partid;
+        short partid;
        struct xpc_partition *part;
        u64 *discovered_nasids;
-        enum xpc_retval ret;
+        enum xp_retval ret;
        remote_rp = xpc_kmalloc_cacheline_aligned(XPC_RP_HEADER_SIZE +
                                                  xp_nasid_mask_bytes,
@@ -1063,12 +1063,12 @@ xpc_discovery(void)
                        ret = xpc_get_remote_rp(nasid, discovered_nasids,
                                                remote_rp, &remote_rp_pa);
-                        if (ret != xpcSuccess) {
+                        if (ret != xpSuccess) {
                                dev_dbg(xpc_part, "unable to get reserved page "
                                        "from nasid %d, reason=%d\n", nasid,
                                        ret);
-                                if (ret == xpcLocalPartid)
+                                if (ret == xpLocalPartid)
                                        break;
                                continue;
@@ -1082,7 +1082,7 @@ xpc_discovery(void)
                        /* pull over the cross partition variables */
                        ret = xpc_get_remote_vars(remote_vars_pa, remote_vars);
-                        if (ret != xpcSuccess) {
+                        if (ret != xpSuccess) {
                                dev_dbg(xpc_part, "unable to get XPC variables "
                                        "from nasid %d, reason=%d\n", nasid,
                                        ret);
@@ -1116,7 +1116,7 @@ xpc_discovery(void)
                                        "register xp_addr region 0x%016lx\n",
                                        partid, remote_vars->amos_page_pa);
-                                XPC_SET_REASON(part, xpcPhysAddrRegFailed,
+                                XPC_SET_REASON(part, xpPhysAddrRegFailed,
                                               __LINE__);
                                break;
                        }
@@ -1151,8 +1151,8 @@ xpc_discovery(void)
 * Given a partid, get the nasids owned by that partition from the
 * remote partition's reserved page.
 */
-enum xpc_retval
+enum xp_retval
-xpc_initiate_partid_to_nasids(partid_t partid, void *nasid_mask)
+xpc_initiate_partid_to_nasids(short partid, void *nasid_mask)
 {
        struct xpc_partition *part;
        u64 part_nasid_pa;
@@ -1160,7 +1160,7 @@ xpc_initiate_partid_to_nasids(partid_t partid, void *nasid_mask)
        part = &xpc_partitions[partid];
        if (part->remote_rp_pa == 0)
-                return xpcPartitionDown;
+                return xpPartitionDown;
        memset(nasid_mask, 0, XP_NASID_MASK_BYTES);
diff --git a/drivers/misc/sgi-xp/xpnet.c b/drivers/misc/sgi-xp/xpnet.c
index a9543c65814d..822dc8e8d7f0 100644
--- a/drivers/misc/sgi-xp/xpnet.c
+++ b/drivers/misc/sgi-xp/xpnet.c
@@ -166,7 +166,7 @@ struct device *xpnet = &xpnet_dbg_subname;
 * Packet was recevied by XPC and forwarded to us.
 */
 static void
-xpnet_receive(partid_t partid, int channel, struct xpnet_message *msg)
+xpnet_receive(short partid, int channel, struct xpnet_message *msg)
 {
        struct sk_buff *skb;
        bte_result_t bret;
@@ -282,7 +282,7 @@ xpnet_receive(partid_t partid, int channel, struct xpnet_message *msg)
 * state or message reception on a connection.
 */
 static void
-xpnet_connection_activity(enum xpc_retval reason, partid_t partid, int channel,
+xpnet_connection_activity(enum xp_retval reason, short partid, int channel,
                          void *data, void *key)
 {
        long bp;
@@ -291,13 +291,13 @@ xpnet_connection_activity(enum xpc_retval reason, partid_t partid, int channel,
        DBUG_ON(channel != XPC_NET_CHANNEL);
        switch (reason) {
-        case xpcMsgReceived:    /* message received */
+        case xpMsgReceived:     /* message received */
                DBUG_ON(data == NULL);
                xpnet_receive(partid, channel, (struct xpnet_message *)data);
                break;
-        case xpcConnected:      /* connection completed to a partition */
+        case xpConnected:       /* connection completed to a partition */
                spin_lock_bh(&xpnet_broadcast_lock);
                xpnet_broadcast_partitions |= 1UL << (partid - 1);
                bp = xpnet_broadcast_partitions;
@@ -330,7 +330,7 @@ xpnet_connection_activity(enum xpc_retval reason, partid_t partid, int channel,
 static int
 xpnet_dev_open(struct net_device *dev)
 {
-        enum xpc_retval ret;
+        enum xp_retval ret;
        dev_dbg(xpnet, "calling xpc_connect(%d, 0x%p, NULL, %ld, %ld, %ld, "
                "%ld)\n", XPC_NET_CHANNEL, xpnet_connection_activity,
@@ -340,7 +340,7 @@ xpnet_dev_open(struct net_device *dev)
        ret = xpc_connect(XPC_NET_CHANNEL, xpnet_connection_activity, NULL,
                          XPNET_MSG_SIZE, XPNET_MSG_NENTRIES,
                          XPNET_MAX_KTHREADS, XPNET_MAX_IDLE_KTHREADS);
-        if (ret != xpcSuccess) {
+        if (ret != xpSuccess) {
                dev_err(xpnet, "ifconfig up of %s failed on XPC connect, "
                        "ret=%d\n", dev->name, ret);
@@ -407,7 +407,7 @@ xpnet_dev_get_stats(struct net_device *dev)
 * release the skb and then release our pending message structure.
 */
 static void
-xpnet_send_completed(enum xpc_retval reason, partid_t partid, int channel,
+xpnet_send_completed(enum xp_retval reason, short partid, int channel,
                     void *__qm)
 {
        struct xpnet_pending_msg *queued_msg = (struct xpnet_pending_msg *)__qm;
@@ -439,12 +439,12 @@ static int
 xpnet_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
        struct xpnet_pending_msg *queued_msg;
-        enum xpc_retval ret;
+        enum xp_retval ret;
        struct xpnet_message *msg;
        u64 start_addr, end_addr;
        long dp;
        u8 second_mac_octet;
-        partid_t dest_partid;
+        short dest_partid;
        struct xpnet_dev_private *priv;
        u16 embedded_bytes;
@@ -528,7 +528,7 @@ xpnet_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
                ret = xpc_allocate(dest_partid, XPC_NET_CHANNEL,
                                   XPC_NOWAIT, (void **)&msg);
-                if (unlikely(ret != xpcSuccess))
+                if (unlikely(ret != xpSuccess))
                        continue;
                msg->embedded_bytes = embedded_bytes;
@@ -557,7 +557,7 @@ xpnet_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
                ret = xpc_send_notify(dest_partid, XPC_NET_CHANNEL, msg,
                                      xpnet_send_completed, queued_msg);
-                if (unlikely(ret != xpcSuccess)) {
+                if (unlikely(ret != xpSuccess)) {
                        atomic_dec(&queued_msg->use_count);
                        continue;
                }
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 7fb02e177a3d..299118de8933 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -187,7 +187,7 @@ struct sdhci_host {
        struct mmc_request      *mrq;           /* Current request */
        struct mmc_command      *cmd;           /* Current command */
        struct mmc_data         *data;          /* Current data request */
-        int                     data_early:1;   /* Data finished before cmd */
+        unsigned int            data_early:1;   /* Data finished before cmd */
        struct scatterlist      *cur_sg;        /* We're working on this */
        int                     num_sg;         /* Entries left */
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 009e8fdcfe5c..02d5165b147c 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2425,7 +2425,7 @@ config CHELSIO_T3
 config EHEA
        tristate "eHEA Ethernet support"
-        depends on IBMEBUS && INET && SPARSEMEM
+        depends on IBMEBUS && INET && SPARSEMEM && MEMORY_HOTPLUG
        select INET_LRO
        ---help---
          This driver supports the IBM pSeries eHEA ethernet adapter.
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index 0afe522b8f7b..9c2394d49428 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -1,7 +1,7 @@
 /*
 * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved.
 * Copyright(c) 2006 - 2007 Chris Snook <csnook@redhat.com>
- * Copyright(c) 2006 Jay Cliburn <jcliburn@gmail.com>
+ * Copyright(c) 2006 - 2008 Jay Cliburn <jcliburn@gmail.com>
 *
 * Derived from Intel e1000 driver
 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
@@ -36,7 +36,6 @@
 * A very incomplete list of things that need to be dealt with:
 *
 * TODO:
- * Wake on LAN.
 * Add more ethtool functions.
 * Fix abstruse irq enable/disable condition described here:
 *      http://marc.theaimsgroup.com/?l=linux-netdev&m=116398508500553&w=2
@@ -638,21 +637,18 @@ static s32 atl1_phy_leave_power_saving(struct atl1_hw *hw)
 }
 /*
- *TODO: do something or get rid of this
+ * Force the PHY into power saving mode using vendor magic.
 */
 #ifdef CONFIG_PM
-static s32 atl1_phy_enter_power_saving(struct atl1_hw *hw)
+static void atl1_phy_enter_power_saving(struct atl1_hw *hw)
 {
-/*    s32 ret_val;
+        atl1_write_phy_reg(hw, MII_DBG_ADDR, 0);
- *    u16 phy_data;
+        atl1_write_phy_reg(hw, MII_DBG_DATA, 0x124E);
- */
+        atl1_write_phy_reg(hw, MII_DBG_ADDR, 2);
+        atl1_write_phy_reg(hw, MII_DBG_DATA, 0x3000);
+        atl1_write_phy_reg(hw, MII_DBG_ADDR, 3);
+        atl1_write_phy_reg(hw, MII_DBG_DATA, 0);
-/*
-    ret_val = atl1_write_phy_reg(hw, ...);
-    ret_val = atl1_write_phy_reg(hw, ...);
-    ....
-*/
-        return 0;
 }
 #endif
@@ -2784,64 +2780,93 @@ static int atl1_suspend(struct pci_dev *pdev, pm_message_t state)
        struct atl1_hw *hw = &adapter->hw;
        u32 ctrl = 0;
        u32 wufc = adapter->wol;
+        u32 val;
+        int retval;
+        u16 speed;
+        u16 duplex;
        netif_device_detach(netdev);
        if (netif_running(netdev))
                atl1_down(adapter);
+        retval = pci_save_state(pdev);
+        if (retval)
+                return retval;
        atl1_read_phy_reg(hw, MII_BMSR, (u16 *) & ctrl);
        atl1_read_phy_reg(hw, MII_BMSR, (u16 *) & ctrl);
-        if (ctrl & BMSR_LSTATUS)
+        val = ctrl & BMSR_LSTATUS;
+        if (val)
                wufc &= ~ATLX_WUFC_LNKC;
-        /* reduce speed to 10/100M */
+        if (val && wufc) {
-        if (wufc) {
+                val = atl1_get_speed_and_duplex(hw, &speed, &duplex);
-                atl1_phy_enter_power_saving(hw);
+                if (val) {
-                /* if resume, let driver to re- setup link */
+                        if (netif_msg_ifdown(adapter))
-                hw->phy_configured = false;
+                                dev_printk(KERN_DEBUG, &pdev->dev,
-                atl1_set_mac_addr(hw);
+                                        "error getting speed/duplex\n");
-                atlx_set_multi(netdev);
+                        goto disable_wol;
+                }
                ctrl = 0;
-                /* turn on magic packet wol */
-                if (wufc & ATLX_WUFC_MAG)
-                        ctrl = WOL_MAGIC_EN | WOL_MAGIC_PME_EN;
-                /* turn on Link change WOL */
+                /* enable magic packet WOL */
-                if (wufc & ATLX_WUFC_LNKC)
+                if (wufc & ATLX_WUFC_MAG)
-                        ctrl |= (WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN);
+                        ctrl |= (WOL_MAGIC_EN | WOL_MAGIC_PME_EN);
                iowrite32(ctrl, hw->hw_addr + REG_WOL_CTRL);
+                ioread32(hw->hw_addr + REG_WOL_CTRL);
-                /* turn on all-multi mode if wake on multicast is enabled */
-                ctrl = ioread32(hw->hw_addr + REG_MAC_CTRL);
+                /* configure the mac */
-                ctrl &= ~MAC_CTRL_DBG;
+                ctrl = MAC_CTRL_RX_EN;
-                ctrl &= ~MAC_CTRL_PROMIS_EN;
+                ctrl |= ((u32)((speed == SPEED_1000) ? MAC_CTRL_SPEED_1000 :
-                if (wufc & ATLX_WUFC_MC)
+                        MAC_CTRL_SPEED_10_100) << MAC_CTRL_SPEED_SHIFT);
-                        ctrl |= MAC_CTRL_MC_ALL_EN;
+                if (duplex == FULL_DUPLEX)
-                else
+                        ctrl |= MAC_CTRL_DUPLX;
-                        ctrl &= ~MAC_CTRL_MC_ALL_EN;
+                ctrl |= (((u32)adapter->hw.preamble_len &
+                        MAC_CTRL_PRMLEN_MASK) << MAC_CTRL_PRMLEN_SHIFT);
-                /* turn on broadcast mode if wake on-BC is enabled */
+                if (adapter->vlgrp)
-                if (wufc & ATLX_WUFC_BC)
+                        ctrl |= MAC_CTRL_RMV_VLAN;
+                if (wufc & ATLX_WUFC_MAG)
                        ctrl |= MAC_CTRL_BC_EN;
-                else
-                        ctrl &= ~MAC_CTRL_BC_EN;
-                /* enable RX */
-                ctrl |= MAC_CTRL_RX_EN;
                iowrite32(ctrl, hw->hw_addr + REG_MAC_CTRL);
-                pci_enable_wake(pdev, PCI_D3hot, 1);
+                ioread32(hw->hw_addr + REG_MAC_CTRL);
-                pci_enable_wake(pdev, PCI_D3cold, 1);
-        } else {
+                /* poke the PHY */
-                iowrite32(0, hw->hw_addr + REG_WOL_CTRL);
+                ctrl = ioread32(hw->hw_addr + REG_PCIE_PHYMISC);
-                pci_enable_wake(pdev, PCI_D3hot, 0);
+                ctrl |= PCIE_PHYMISC_FORCE_RCV_DET;
-                pci_enable_wake(pdev, PCI_D3cold, 0);
+                iowrite32(ctrl, hw->hw_addr + REG_PCIE_PHYMISC);
+                ioread32(hw->hw_addr + REG_PCIE_PHYMISC);
+                pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
+                goto exit;
        }
-        pci_save_state(pdev);
+        if (!val && wufc) {
+                ctrl |= (WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN);
+                iowrite32(ctrl, hw->hw_addr + REG_WOL_CTRL);
+                ioread32(hw->hw_addr + REG_WOL_CTRL);
+                iowrite32(0, hw->hw_addr + REG_MAC_CTRL);
+                ioread32(hw->hw_addr + REG_MAC_CTRL);
+                hw->phy_configured = false;
+                pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
+                goto exit;
+        }
+disable_wol:
+        iowrite32(0, hw->hw_addr + REG_WOL_CTRL);
+        ioread32(hw->hw_addr + REG_WOL_CTRL);
+        ctrl = ioread32(hw->hw_addr + REG_PCIE_PHYMISC);
+        ctrl |= PCIE_PHYMISC_FORCE_RCV_DET;
+        iowrite32(ctrl, hw->hw_addr + REG_PCIE_PHYMISC);
+        ioread32(hw->hw_addr + REG_PCIE_PHYMISC);
+        atl1_phy_enter_power_saving(hw);
+        hw->phy_configured = false;
+        pci_enable_wake(pdev, pci_choose_state(pdev, state), 0);
+exit:
+        if (netif_running(netdev))
+                pci_disable_msi(adapter->pdev);
        pci_disable_device(pdev);
+        pci_set_power_state(pdev, pci_choose_state(pdev, state));
-        pci_set_power_state(pdev, PCI_D3hot);
        return 0;
 }
@@ -2855,20 +2880,26 @@ static int atl1_resume(struct pci_dev *pdev)
        pci_set_power_state(pdev, PCI_D0);
        pci_restore_state(pdev);
-        /* FIXME: check and handle */
        err = pci_enable_device(pdev);
+        if (err) {
+                if (netif_msg_ifup(adapter))
+                        dev_printk(KERN_DEBUG, &pdev->dev,
+                                "error enabling pci device\n");
+                return err;
+        }
+        pci_set_master(pdev);
+        iowrite32(0, adapter->hw.hw_addr + REG_WOL_CTRL);
        pci_enable_wake(pdev, PCI_D3hot, 0);
        pci_enable_wake(pdev, PCI_D3cold, 0);
-        iowrite32(0, adapter->hw.hw_addr + REG_WOL_CTRL);
+        atl1_reset_hw(&adapter->hw);
-        atl1_reset(adapter);
+        adapter->cmb.cmb->int_stats = 0;
        if (netif_running(netdev))
                atl1_up(adapter);
        netif_device_attach(netdev);
-        atl1_via_workaround(adapter);
        return 0;
 }
 #else
@@ -2876,6 +2907,13 @@ static int atl1_resume(struct pci_dev *pdev)
 #define atl1_resume NULL
 #endif
+static void atl1_shutdown(struct pci_dev *pdev)
+{
+#ifdef CONFIG_PM
+        atl1_suspend(pdev, PMSG_SUSPEND);
+#endif
+}
 #ifdef CONFIG_NET_POLL_CONTROLLER
 static void atl1_poll_controller(struct net_device *netdev)
 {
@@ -3122,7 +3160,8 @@ static struct pci_driver atl1_driver = {
        .probe = atl1_probe,
        .remove = __devexit_p(atl1_remove),
        .suspend = atl1_suspend,
-        .resume = atl1_resume
+        .resume = atl1_resume,
+        .shutdown = atl1_shutdown
 };
 /*
diff --git a/drivers/net/atlx/atl1.h b/drivers/net/atlx/atl1.h
index 51893d66eae1..a5015b14a429 100644
--- a/drivers/net/atlx/atl1.h
+++ b/drivers/net/atlx/atl1.h
@@ -1,7 +1,7 @@
 /*
 * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved.
 * Copyright(c) 2006 - 2007 Chris Snook <csnook@redhat.com>
- * Copyright(c) 2006 Jay Cliburn <jcliburn@gmail.com>
+ * Copyright(c) 2006 - 2008 Jay Cliburn <jcliburn@gmail.com>
 *
 * Derived from Intel e1000 driver
 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
diff --git a/drivers/net/atlx/atlx.c b/drivers/net/atlx/atlx.c
index f06b854e2501..b3e7fcf0f6e7 100644
--- a/drivers/net/atlx/atlx.c
+++ b/drivers/net/atlx/atlx.c
@@ -2,7 +2,7 @@
 *
 * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved.
 * Copyright(c) 2006 - 2007 Chris Snook <csnook@redhat.com>
- * Copyright(c) 2006 Jay Cliburn <jcliburn@gmail.com>
+ * Copyright(c) 2006 - 2008 Jay Cliburn <jcliburn@gmail.com>
 * Copyright(c) 2007 Atheros Corporation. All rights reserved.
 *
 * Derived from Intel e1000 driver
diff --git a/drivers/net/atlx/atlx.h b/drivers/net/atlx/atlx.h
index 3be7c09734d4..297a03da6b7f 100644
--- a/drivers/net/atlx/atlx.h
+++ b/drivers/net/atlx/atlx.h
@@ -2,7 +2,7 @@
 *
 * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved.
 * Copyright(c) 2006 - 2007 Chris Snook <csnook@redhat.com>
- * Copyright(c) 2006 Jay Cliburn <jcliburn@gmail.com>
+ * Copyright(c) 2006 - 2008 Jay Cliburn <jcliburn@gmail.com>
 * Copyright(c) 2007 Atheros Corporation. All rights reserved.
 *
 * Derived from Intel e1000 driver
@@ -29,7 +29,7 @@
 #include <linux/module.h>
 #include <linux/types.h>
-#define ATLX_DRIVER_VERSION "2.1.1"
+#define ATLX_DRIVER_VERSION "2.1.3"
 MODULE_AUTHOR("Xiong Huang <xiong.huang@atheros.com>, \
        Chris Snook <csnook@redhat.com>, Jay Cliburn <jcliburn@gmail.com>");
 MODULE_LICENSE("GPL");
@@ -460,6 +460,9 @@ MODULE_VERSION(ATLX_DRIVER_VERSION);
 #define MII_ATLX_PSSR_100MBS            0x4000  /* 01=100Mbs */
 #define MII_ATLX_PSSR_1000MBS           0x8000  /* 10=1000Mbs */
+#define MII_DBG_ADDR                    0x1D
+#define MII_DBG_DATA                    0x1E
 /* PCI Command Register Bit Definitions */
 #define PCI_REG_COMMAND                 0x04    /* PCI Command Register */
 #define CMD_IO_SPACE                    0x0001
diff --git a/drivers/net/cxgb3/adapter.h b/drivers/net/cxgb3/adapter.h
index 4fdb13f8447b..acebe431d068 100644
--- a/drivers/net/cxgb3/adapter.h
+++ b/drivers/net/cxgb3/adapter.h
@@ -71,6 +71,7 @@ enum {				/* adapter flags */
        USING_MSIX = (1 << 2),
        QUEUES_BOUND = (1 << 3),
        TP_PARITY_INIT = (1 << 4),
+        NAPI_INIT = (1 << 5),
 };
 struct fl_pg_chunk {
diff --git a/drivers/net/cxgb3/common.h b/drivers/net/cxgb3/common.h
index 91ee7277b813..579bee42a5cb 100644
--- a/drivers/net/cxgb3/common.h
+++ b/drivers/net/cxgb3/common.h
@@ -698,6 +698,7 @@ void mac_prep(struct cmac *mac, struct adapter *adapter, int index);
 void early_hw_init(struct adapter *adapter, const struct adapter_info *ai);
 int t3_prep_adapter(struct adapter *adapter, const struct adapter_info *ai,
                    int reset);
+int t3_replay_prep_adapter(struct adapter *adapter);
 void t3_led_ready(struct adapter *adapter);
 void t3_fatal_err(struct adapter *adapter);
 void t3_set_vlan_accel(struct adapter *adapter, unsigned int ports, int on);
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index ce949d5fae39..3a3127216791 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -421,6 +421,13 @@ static void init_napi(struct adapter *adap)
                        netif_napi_add(qs->netdev, &qs->napi, qs->napi.poll,
                                       64);
        }
+        /*
+         * netif_napi_add() can be called only once per napi_struct because it
+         * adds each new napi_struct to a list.  Be careful not to call it a
+         * second time, e.g., during EEH recovery, by making a note of it.
+         */
+        adap->flags |= NAPI_INIT;
 }
 /*
@@ -896,7 +903,8 @@ static int cxgb_up(struct adapter *adap)
                        goto out;
                setup_rss(adap);
-                init_napi(adap);
+                if (!(adap->flags & NAPI_INIT))
+                        init_napi(adap);
                adap->flags |= FULL_INIT_DONE;
        }
@@ -999,7 +1007,7 @@ static int offload_open(struct net_device *dev)
                return 0;
        if (!adap_up && (err = cxgb_up(adapter)) < 0)
-                return err;
+                goto out;
        t3_tp_set_offload_mode(adapter, 1);
        tdev->lldev = adapter->port[0];
@@ -1061,10 +1069,8 @@ static int cxgb_open(struct net_device *dev)
        int other_ports = adapter->open_device_map & PORT_MASK;
        int err;
-        if (!adapter->open_device_map && (err = cxgb_up(adapter)) < 0) {
+        if (!adapter->open_device_map && (err = cxgb_up(adapter)) < 0)
-                quiesce_rx(adapter);
                return err;
-        }
        set_bit(pi->port_id, &adapter->open_device_map);
        if (is_offload(adapter) && !ofld_disable) {
@@ -2424,14 +2430,11 @@ static pci_ers_result_t t3_io_error_detected(struct pci_dev *pdev,
            test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map))
                offload_close(&adapter->tdev);
-        /* Free sge resources */
-        t3_free_sge_resources(adapter);
        adapter->flags &= ~FULL_INIT_DONE;
        pci_disable_device(pdev);
-        /* Request a slot slot reset. */
+        /* Request a slot reset. */
        return PCI_ERS_RESULT_NEED_RESET;
 }
@@ -2448,13 +2451,20 @@ static pci_ers_result_t t3_io_slot_reset(struct pci_dev *pdev)
        if (pci_enable_device(pdev)) {
                dev_err(&pdev->dev,
                        "Cannot re-enable PCI device after reset.\n");
-                return PCI_ERS_RESULT_DISCONNECT;
+                goto err;
        }
        pci_set_master(pdev);
+        pci_restore_state(pdev);
-        t3_prep_adapter(adapter, adapter->params.info, 1);
+        /* Free sge resources */
+        t3_free_sge_resources(adapter);
+        if (t3_replay_prep_adapter(adapter))
+                goto err;
        return PCI_ERS_RESULT_RECOVERED;
+err:
+        return PCI_ERS_RESULT_DISCONNECT;
 }
 /**
@@ -2483,13 +2493,6 @@ static void t3_io_resume(struct pci_dev *pdev)
                        netif_device_attach(netdev);
                }
        }
-        if (is_offload(adapter)) {
-                __set_bit(OFFLOAD_DEVMAP_BIT, &adapter->registered_device_map);
-                if (offload_open(adapter->port[0]))
-                        printk(KERN_WARNING
-                               "Could not bring back offload capabilities\n");
-        }
 }
 static struct pci_error_handlers t3_err_handler = {
@@ -2608,6 +2611,7 @@ static int __devinit init_one(struct pci_dev *pdev,
        }
        pci_set_master(pdev);
+        pci_save_state(pdev);
        mmio_start = pci_resource_start(pdev, 0);
        mmio_len = pci_resource_len(pdev, 0);
diff --git a/drivers/net/cxgb3/regs.h b/drivers/net/cxgb3/regs.h
index 02dbbb300929..567178879345 100644
--- a/drivers/net/cxgb3/regs.h
+++ b/drivers/net/cxgb3/regs.h
@@ -444,6 +444,14 @@
 #define A_PCIE_CFG 0x88
+#define S_ENABLELINKDWNDRST    21
+#define V_ENABLELINKDWNDRST(x) ((x) << S_ENABLELINKDWNDRST)
+#define F_ENABLELINKDWNDRST    V_ENABLELINKDWNDRST(1U)
+#define S_ENABLELINKDOWNRST    20
+#define V_ENABLELINKDOWNRST(x) ((x) << S_ENABLELINKDOWNRST)
+#define F_ENABLELINKDOWNRST    V_ENABLELINKDOWNRST(1U)
 #define S_PCIE_CLIDECEN    16
 #define V_PCIE_CLIDECEN(x) ((x) << S_PCIE_CLIDECEN)
 #define F_PCIE_CLIDECEN    V_PCIE_CLIDECEN(1U)
diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c
index 98a6bbd11d4c..796eb305cdc3 100644
--- a/drivers/net/cxgb3/sge.c
+++ b/drivers/net/cxgb3/sge.c
@@ -539,6 +539,31 @@ static void *alloc_ring(struct pci_dev *pdev, size_t nelem, size_t elem_size,
 }
 /**
+ *      t3_reset_qset - reset a sge qset
+ *      @q: the queue set
+ *
+ *      Reset the qset structure.
+ *      the NAPI structure is preserved in the event of
+ *      the qset's reincarnation, for example during EEH recovery.
+ */
+static void t3_reset_qset(struct sge_qset *q)
+{
+        if (q->adap &&
+            !(q->adap->flags & NAPI_INIT)) {
+                memset(q, 0, sizeof(*q));
+                return;
+        }
+        q->adap = NULL;
+        memset(&q->rspq, 0, sizeof(q->rspq));
+        memset(q->fl, 0, sizeof(struct sge_fl) * SGE_RXQ_PER_SET);
+        memset(q->txq, 0, sizeof(struct sge_txq) * SGE_TXQ_PER_SET);
+        q->txq_stopped = 0;
+        memset(&q->tx_reclaim_timer, 0, sizeof(q->tx_reclaim_timer));
+}
+/**
 *      free_qset - free the resources of an SGE queue set
 *      @adapter: the adapter owning the queue set
 *      @q: the queue set
@@ -594,7 +619,7 @@ static void t3_free_qset(struct adapter *adapter, struct sge_qset *q)
                                  q->rspq.desc, q->rspq.phys_addr);
        }
-        memset(q, 0, sizeof(*q));
+        t3_reset_qset(q);
 }
 /**
@@ -1365,7 +1390,7 @@ static void restart_ctrlq(unsigned long data)
 */
 int t3_mgmt_tx(struct adapter *adap, struct sk_buff *skb)
 {
-        int ret; 
+        int ret;
        local_bh_disable();
        ret = ctrl_xmit(adap, &adap->sge.qs[0].txq[TXQ_CTRL], skb);
        local_bh_enable();
diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index a99496a431c4..d405a932c73a 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -3264,6 +3264,7 @@ static void config_pcie(struct adapter *adap)
        t3_write_reg(adap, A_PCIE_PEX_ERR, 0xffffffff);
        t3_set_reg_field(adap, A_PCIE_CFG, 0,
+                         F_ENABLELINKDWNDRST | F_ENABLELINKDOWNRST |
                         F_PCIE_DMASTOPEN | F_PCIE_CLIDECEN);
 }
@@ -3655,3 +3656,30 @@ void t3_led_ready(struct adapter *adapter)
        t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, F_GPIO0_OUT_VAL,
                         F_GPIO0_OUT_VAL);
 }
+int t3_replay_prep_adapter(struct adapter *adapter)
+{
+        const struct adapter_info *ai = adapter->params.info;
+        unsigned int i, j = 0;
+        int ret;
+        early_hw_init(adapter, ai);
+        ret = init_parity(adapter);
+        if (ret)
+                return ret;
+        for_each_port(adapter, i) {
+                struct port_info *p = adap2pinfo(adapter, i);
+                while (!adapter->params.vpd.port_type[j])
+                        ++j;
+                p->port_type->phy_prep(&p->phy, adapter, ai->phy_base_addr + j,
+                                        ai->mdio_ops);
+                p->phy.ops->power_down(&p->phy, 1);
+                ++j;
+        }
+return 0;
+}
diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index e6fe2614ea6d..d45bcd2660af 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -117,6 +117,9 @@ typedef struct board_info {
        struct mutex     addr_lock;     /* phy and eeprom access lock */
+        struct delayed_work phy_poll;
+        struct net_device  *ndev;
        spinlock_t lock;
        struct mii_if_info mii;
@@ -297,6 +300,10 @@ static void dm9000_set_io(struct board_info *db, int byte_width)
        }
 }
+static void dm9000_schedule_poll(board_info_t *db)
+{
+        schedule_delayed_work(&db->phy_poll, HZ * 2);
+}
 /* Our watchdog timed out. Called by the networking layer */
 static void dm9000_timeout(struct net_device *dev)
@@ -465,6 +472,17 @@ static const struct ethtool_ops dm9000_ethtool_ops = {
        .set_eeprom             = dm9000_set_eeprom,
 };
+static void
+dm9000_poll_work(struct work_struct *w)
+{
+        struct delayed_work *dw = container_of(w, struct delayed_work, work);
+        board_info_t *db = container_of(dw, board_info_t, phy_poll);
+        mii_check_media(&db->mii, netif_msg_link(db), 0);
+        
+        if (netif_running(db->ndev))
+                dm9000_schedule_poll(db);
+}
 /* dm9000_release_board
 *
@@ -503,7 +521,7 @@ dm9000_release_board(struct platform_device *pdev, struct board_info *db)
 /*
 * Search DM9000 board, allocate space and register it
 */
-static int
+static int __devinit
 dm9000_probe(struct platform_device *pdev)
 {
        struct dm9000_plat_data *pdata = pdev->dev.platform_data;
@@ -525,17 +543,21 @@ dm9000_probe(struct platform_device *pdev)
        SET_NETDEV_DEV(ndev, &pdev->dev);
-        dev_dbg(&pdev->dev, "dm9000_probe()");
+        dev_dbg(&pdev->dev, "dm9000_probe()\n");
        /* setup board info structure */
        db = (struct board_info *) ndev->priv;
        memset(db, 0, sizeof (*db));
        db->dev = &pdev->dev;
+        db->ndev = ndev;
        spin_lock_init(&db->lock);
        mutex_init(&db->addr_lock);
+        INIT_DELAYED_WORK(&db->phy_poll, dm9000_poll_work);
        if (pdev->num_resources < 2) {
                ret = -ENODEV;
                goto out;
@@ -761,6 +783,8 @@ dm9000_open(struct net_device *dev)
        mii_check_media(&db->mii, netif_msg_link(db), 1);
        netif_start_queue(dev);
+        
+        dm9000_schedule_poll(db);
        return 0;
 }
@@ -879,6 +903,8 @@ dm9000_stop(struct net_device *ndev)
        if (netif_msg_ifdown(db))
                dev_dbg(db->dev, "shutting down %s\n", ndev->name);
+        cancel_delayed_work(&db->phy_poll);
        netif_stop_queue(ndev);
        netif_carrier_off(ndev);
@@ -1288,6 +1314,8 @@ dm9000_phy_read(struct net_device *dev, int phy_reg_unused, int reg)
        spin_unlock_irqrestore(&db->lock,flags);
        mutex_unlock(&db->addr_lock);
+        dm9000_dbg(db, 5, "phy_read[%02x] -> %04x\n", reg, ret);
        return ret;
 }
@@ -1301,6 +1329,7 @@ dm9000_phy_write(struct net_device *dev, int phyaddr_unused, int reg, int value)
        unsigned long flags;
        unsigned long reg_save;
+        dm9000_dbg(db, 5, "phy_write[%02x] = %04x\n", reg, value);
        mutex_lock(&db->addr_lock);
        spin_lock_irqsave(&db->lock,flags);
@@ -1372,7 +1401,7 @@ dm9000_drv_resume(struct platform_device *dev)
        return 0;
 }
-static int
+static int __devexit
 dm9000_drv_remove(struct platform_device *pdev)
 {
        struct net_device *ndev = platform_get_drvdata(pdev);
@@ -1393,7 +1422,7 @@ static struct platform_driver dm9000_driver = {
                .owner   = THIS_MODULE,
        },
        .probe   = dm9000_probe,
-        .remove  = dm9000_drv_remove,
+        .remove  = __devexit_p(dm9000_drv_remove),
        .suspend = dm9000_drv_suspend,
        .resume  = dm9000_drv_resume,
 };
diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h
index f5dacceab95b..fe872fbd671e 100644
--- a/drivers/net/ehea/ehea.h
+++ b/drivers/net/ehea/ehea.h
@@ -40,7 +40,7 @@
 #include <asm/io.h>
 #define DRV_NAME        "ehea"
-#define DRV_VERSION     "EHEA_0090"
+#define DRV_VERSION     "EHEA_0091"
 /* eHEA capability flags */
 #define DLPAR_PORT_ADD_REM 1
@@ -118,6 +118,13 @@
 #define EHEA_MR_ACC_CTRL       0x00800000
 #define EHEA_BUSMAP_START      0x8000000000000000ULL
+#define EHEA_INVAL_ADDR        0xFFFFFFFFFFFFFFFFULL
+#define EHEA_DIR_INDEX_SHIFT 13                   /* 8k Entries in 64k block */
+#define EHEA_TOP_INDEX_SHIFT (EHEA_DIR_INDEX_SHIFT * 2)
+#define EHEA_MAP_ENTRIES (1 << EHEA_DIR_INDEX_SHIFT)
+#define EHEA_MAP_SIZE (0x10000)                   /* currently fixed map size */
+#define EHEA_INDEX_MASK (EHEA_MAP_ENTRIES - 1)
 #define EHEA_WATCH_DOG_TIMEOUT 10*HZ
@@ -192,10 +199,20 @@ struct h_epas {
                                   set to 0 if unused */
 };
-struct ehea_busmap {
+/*
-        unsigned int entries;           /* total number of entries */
+ * Memory map data structures
-        unsigned int valid_sections;    /* number of valid sections */
+ */
-        u64 *vaddr;
+struct ehea_dir_bmap
+{
+        u64 ent[EHEA_MAP_ENTRIES];
+};
+struct ehea_top_bmap
+{
+        struct ehea_dir_bmap *dir[EHEA_MAP_ENTRIES];
+};
+struct ehea_bmap
+{
+        struct ehea_top_bmap *top[EHEA_MAP_ENTRIES];
 };
 struct ehea_qp;
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index f9bc21c74b59..d1b6d4e7495d 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -35,6 +35,7 @@
 #include <linux/if_ether.h>
 #include <linux/notifier.h>
 #include <linux/reboot.h>
+#include <linux/memory.h>
 #include <asm/kexec.h>
 #include <linux/mutex.h>
@@ -3503,6 +3504,24 @@ void ehea_crash_handler(void)
                                              0, H_DEREG_BCMC);
 }
+static int ehea_mem_notifier(struct notifier_block *nb,
+                             unsigned long action, void *data)
+{
+        switch (action) {
+        case MEM_OFFLINE:
+                ehea_info("memory has been removed");
+                ehea_rereg_mrs(NULL);
+                break;
+        default:
+                break;
+        }
+        return NOTIFY_OK;
+}
+static struct notifier_block ehea_mem_nb = {
+        .notifier_call = ehea_mem_notifier,
+};
 static int ehea_reboot_notifier(struct notifier_block *nb,
                                unsigned long action, void *unused)
 {
@@ -3581,6 +3600,10 @@ int __init ehea_module_init(void)
        if (ret)
                ehea_info("failed registering reboot notifier");
+        ret = register_memory_notifier(&ehea_mem_nb);
+        if (ret)
+                ehea_info("failed registering memory remove notifier");
        ret = crash_shutdown_register(&ehea_crash_handler);
        if (ret)
                ehea_info("failed registering crash handler");
@@ -3604,6 +3627,7 @@ int __init ehea_module_init(void)
 out3:
        ibmebus_unregister_driver(&ehea_driver);
 out2:
+        unregister_memory_notifier(&ehea_mem_nb);
        unregister_reboot_notifier(&ehea_reboot_nb);
        crash_shutdown_unregister(&ehea_crash_handler);
 out:
@@ -3621,6 +3645,7 @@ static void __exit ehea_module_exit(void)
        ret = crash_shutdown_unregister(&ehea_crash_handler);
        if (ret)
                ehea_info("failed unregistering crash handler");
+        unregister_memory_notifier(&ehea_mem_nb);
        kfree(ehea_fw_handles.arr);
        kfree(ehea_bcmc_regs.arr);
        ehea_destroy_busmap();
diff --git a/drivers/net/ehea/ehea_qmr.c b/drivers/net/ehea/ehea_qmr.c
index d522e905f460..140f05baafd8 100644
--- a/drivers/net/ehea/ehea_qmr.c
+++ b/drivers/net/ehea/ehea_qmr.c
@@ -31,8 +31,8 @@
 #include "ehea_phyp.h"
 #include "ehea_qmr.h"
+struct ehea_bmap *ehea_bmap = NULL;
-struct ehea_busmap ehea_bmap = { 0, 0, NULL };
 static void *hw_qpageit_get_inc(struct hw_queue *queue)
@@ -559,125 +559,253 @@ int ehea_destroy_qp(struct ehea_qp *qp)
        return 0;
 }
-int ehea_create_busmap(void)
+static inline int ehea_calc_index(unsigned long i, unsigned long s)
 {
-        u64 vaddr = EHEA_BUSMAP_START;
+        return (i >> s) & EHEA_INDEX_MASK;
-        unsigned long high_section_index = 0;
+}
-        int i;
-        /*
+static inline int ehea_init_top_bmap(struct ehea_top_bmap *ehea_top_bmap,
-         * Sections are not in ascending order -> Loop over all sections and
+                                     int dir)
-         * find the highest PFN to compute the required map size.
+{
-        */
+        if(!ehea_top_bmap->dir[dir]) {
-        ehea_bmap.valid_sections = 0;
+                ehea_top_bmap->dir[dir] =
+                        kzalloc(sizeof(struct ehea_dir_bmap), GFP_KERNEL);
+                if (!ehea_top_bmap->dir[dir])
+                        return -ENOMEM;
+        }
+        return 0;
+}
-        for (i = 0; i < NR_MEM_SECTIONS; i++)
+static inline int ehea_init_bmap(struct ehea_bmap *ehea_bmap, int top, int dir)
-                if (valid_section_nr(i))
+{
-                        high_section_index = i;
+        if(!ehea_bmap->top[top]) {
+                ehea_bmap->top[top] =
+                        kzalloc(sizeof(struct ehea_top_bmap), GFP_KERNEL);
+                if (!ehea_bmap->top[top])
+                        return -ENOMEM;
+        }
+        return ehea_init_top_bmap(ehea_bmap->top[top], dir);
+}
-        ehea_bmap.entries = high_section_index + 1;
+static int ehea_create_busmap_callback(unsigned long pfn,
-        ehea_bmap.vaddr = vmalloc(ehea_bmap.entries * sizeof(*ehea_bmap.vaddr));
+                                       unsigned long nr_pages, void *arg)
+{
+        unsigned long i, mr_len, start_section, end_section;
+        start_section = (pfn * PAGE_SIZE) / EHEA_SECTSIZE;
+        end_section = start_section + ((nr_pages * PAGE_SIZE) / EHEA_SECTSIZE);
+        mr_len = *(unsigned long *)arg;
-        if (!ehea_bmap.vaddr)
+        ehea_bmap = kzalloc(sizeof(struct ehea_bmap), GFP_KERNEL);
+        if (!ehea_bmap)
                return -ENOMEM;
-        for (i = 0 ; i < ehea_bmap.entries; i++) {
+        for (i = start_section; i < end_section; i++) {
-                unsigned long pfn = section_nr_to_pfn(i);
+                int ret;
+                int top, dir, idx;
+                u64 vaddr;
+                top = ehea_calc_index(i, EHEA_TOP_INDEX_SHIFT);
+                dir = ehea_calc_index(i, EHEA_DIR_INDEX_SHIFT);
+                ret = ehea_init_bmap(ehea_bmap, top, dir);
+                if(ret)
+                        return ret;
-                if (pfn_valid(pfn)) {
+                idx = i & EHEA_INDEX_MASK;
-                        ehea_bmap.vaddr[i] = vaddr;
+                vaddr = EHEA_BUSMAP_START + mr_len + i * EHEA_SECTSIZE;
-                        vaddr += EHEA_SECTSIZE;
-                        ehea_bmap.valid_sections++;
+                ehea_bmap->top[top]->dir[dir]->ent[idx] = vaddr;
-                } else
-                        ehea_bmap.vaddr[i] = 0;
        }
+        mr_len += nr_pages * PAGE_SIZE;
+        *(unsigned long *)arg = mr_len;
        return 0;
 }
+static unsigned long ehea_mr_len;
+static DEFINE_MUTEX(ehea_busmap_mutex);
+int ehea_create_busmap(void)
+{
+        int ret;
+        mutex_lock(&ehea_busmap_mutex);
+        ehea_mr_len = 0;
+        ret = walk_memory_resource(0, 1ULL << MAX_PHYSMEM_BITS, &ehea_mr_len,
+                                   ehea_create_busmap_callback);
+        mutex_unlock(&ehea_busmap_mutex);
+        return ret;
+}
 void ehea_destroy_busmap(void)
 {
-        vfree(ehea_bmap.vaddr);
+        int top, dir;
+        mutex_lock(&ehea_busmap_mutex);
+        if (!ehea_bmap)
+                goto out_destroy;
+        for (top = 0; top < EHEA_MAP_ENTRIES; top++) {
+                if (!ehea_bmap->top[top])
+                        continue;
+                for (dir = 0; dir < EHEA_MAP_ENTRIES; dir++) {
+                        if (!ehea_bmap->top[top]->dir[dir])
+                                continue;
+                        kfree(ehea_bmap->top[top]->dir[dir]);
+                }
+                kfree(ehea_bmap->top[top]);
+        }
+        kfree(ehea_bmap);
+        ehea_bmap = NULL;
+out_destroy:    
+        mutex_unlock(&ehea_busmap_mutex);
 }
 u64 ehea_map_vaddr(void *caddr)
 {
-        u64 mapped_addr;
+        int top, dir, idx;
-        unsigned long index = __pa(caddr) >> SECTION_SIZE_BITS;
+        unsigned long index, offset;
-        if (likely(index < ehea_bmap.entries)) {
+        if (!ehea_bmap)
-                mapped_addr = ehea_bmap.vaddr[index];
+                return EHEA_INVAL_ADDR;
-                if (likely(mapped_addr))
-                        mapped_addr |= (((unsigned long)caddr)
+        index = virt_to_abs(caddr) >> SECTION_SIZE_BITS;
-                                        & (EHEA_SECTSIZE - 1));
+        top = (index >> EHEA_TOP_INDEX_SHIFT) & EHEA_INDEX_MASK;
-                else
+        if (!ehea_bmap->top[top])
-                        mapped_addr = -1;
+                return EHEA_INVAL_ADDR;
-        } else
-                mapped_addr = -1;
+        dir = (index >> EHEA_DIR_INDEX_SHIFT) & EHEA_INDEX_MASK;
+        if (!ehea_bmap->top[top]->dir[dir])
-        if (unlikely(mapped_addr == -1))
+                return EHEA_INVAL_ADDR;
-                if (!test_and_set_bit(__EHEA_STOP_XFER, &ehea_driver_flags))
-                        schedule_work(&ehea_rereg_mr_task);
+        idx = index & EHEA_INDEX_MASK;
+        if (!ehea_bmap->top[top]->dir[dir]->ent[idx])
-        return mapped_addr;
+                return EHEA_INVAL_ADDR;
+        offset = (unsigned long)caddr & (EHEA_SECTSIZE - 1);
+        return ehea_bmap->top[top]->dir[dir]->ent[idx] | offset;
+}
+static inline void *ehea_calc_sectbase(int top, int dir, int idx)
+{
+        unsigned long ret = idx;
+        ret |= dir << EHEA_DIR_INDEX_SHIFT;
+        ret |= top << EHEA_TOP_INDEX_SHIFT;
+        return abs_to_virt(ret << SECTION_SIZE_BITS);
+}
+static u64 ehea_reg_mr_section(int top, int dir, int idx, u64 *pt,
+                               struct ehea_adapter *adapter,
+                               struct ehea_mr *mr)
+{
+        void *pg;
+        u64 j, m, hret;
+        unsigned long k = 0;
+        u64 pt_abs = virt_to_abs(pt);
+        void *sectbase = ehea_calc_sectbase(top, dir, idx);
+        for (j = 0; j < (EHEA_PAGES_PER_SECTION / EHEA_MAX_RPAGE); j++) {
+                for (m = 0; m < EHEA_MAX_RPAGE; m++) {
+                        pg = sectbase + ((k++) * EHEA_PAGESIZE);
+                        pt[m] = virt_to_abs(pg);
+                }
+                hret = ehea_h_register_rpage_mr(adapter->handle, mr->handle, 0,
+                                                0, pt_abs, EHEA_MAX_RPAGE);
+                if ((hret != H_SUCCESS)
+                    && (hret != H_PAGE_REGISTERED)) {
+                        ehea_h_free_resource(adapter->handle, mr->handle,
+                                             FORCE_FREE);
+                        ehea_error("register_rpage_mr failed");
+                        return hret;
+                }
+        }
+        return hret;
+}
+static u64 ehea_reg_mr_sections(int top, int dir, u64 *pt,
+                                struct ehea_adapter *adapter,
+                                struct ehea_mr *mr)
+{
+        u64 hret = H_SUCCESS;
+        int idx;
+        for (idx = 0; idx < EHEA_MAP_ENTRIES; idx++) {
+                if (!ehea_bmap->top[top]->dir[dir]->ent[idx])
+                        continue;
+                
+                hret = ehea_reg_mr_section(top, dir, idx, pt, adapter, mr);
+                if ((hret != H_SUCCESS) && (hret != H_PAGE_REGISTERED))
+                                return hret;
+        }
+        return hret;
+}
+static u64 ehea_reg_mr_dir_sections(int top, u64 *pt,
+                                    struct ehea_adapter *adapter,
+                                    struct ehea_mr *mr)
+{
+        u64 hret = H_SUCCESS;
+        int dir;
+        for (dir = 0; dir < EHEA_MAP_ENTRIES; dir++) {
+                if (!ehea_bmap->top[top]->dir[dir])
+                        continue;
+                hret = ehea_reg_mr_sections(top, dir, pt, adapter, mr);
+                if ((hret != H_SUCCESS) && (hret != H_PAGE_REGISTERED))
+                                return hret;
+        }
+        return hret;
 }
 int ehea_reg_kernel_mr(struct ehea_adapter *adapter, struct ehea_mr *mr)
 {
        int ret;
        u64 *pt;
-        void *pg;
+        u64 hret;
-        u64 hret, pt_abs, i, j, m, mr_len;
        u32 acc_ctrl = EHEA_MR_ACC_CTRL;
-        mr_len = ehea_bmap.valid_sections * EHEA_SECTSIZE;
+        unsigned long top;
-        pt =  kzalloc(PAGE_SIZE, GFP_KERNEL);
+        pt = kzalloc(PAGE_SIZE, GFP_KERNEL);
        if (!pt) {
                ehea_error("no mem");
                ret = -ENOMEM;
                goto out;
        }
-        pt_abs = virt_to_abs(pt);
-        hret = ehea_h_alloc_resource_mr(adapter->handle,
+        hret = ehea_h_alloc_resource_mr(adapter->handle, EHEA_BUSMAP_START,
-                                        EHEA_BUSMAP_START, mr_len,
+                                        ehea_mr_len, acc_ctrl, adapter->pd,
-                                        acc_ctrl, adapter->pd,
                                        &mr->handle, &mr->lkey);
        if (hret != H_SUCCESS) {
                ehea_error("alloc_resource_mr failed");
                ret = -EIO;
                goto out;
        }
-        for (i = 0 ; i < ehea_bmap.entries; i++)
+        if (!ehea_bmap) {
-                if (ehea_bmap.vaddr[i]) {
+                ehea_h_free_resource(adapter->handle, mr->handle, FORCE_FREE);
-                        void *sectbase = __va(i << SECTION_SIZE_BITS);
+                ehea_error("no busmap available");
-                        unsigned long k = 0;
+                ret = -EIO;
+                goto out;
-                        for (j = 0; j < (EHEA_PAGES_PER_SECTION /
+        }
-                                         EHEA_MAX_RPAGE); j++) {
+        for (top = 0; top < EHEA_MAP_ENTRIES; top++) {
-                                for (m = 0; m < EHEA_MAX_RPAGE; m++) {
+                if (!ehea_bmap->top[top])
-                                        pg = sectbase + ((k++) * EHEA_PAGESIZE);
+                        continue;
-                                        pt[m] = virt_to_abs(pg);
-                                }
+                hret = ehea_reg_mr_dir_sections(top, pt, adapter, mr);
+                if((hret != H_PAGE_REGISTERED) && (hret != H_SUCCESS))
-                                hret = ehea_h_register_rpage_mr(adapter->handle,
+                        break;
-                                                                mr->handle,
+        }
-                                                                0, 0, pt_abs,
-                                                                EHEA_MAX_RPAGE);
-                                if ((hret != H_SUCCESS)
-                                    && (hret != H_PAGE_REGISTERED)) {
-                                        ehea_h_free_resource(adapter->handle,
-                                                             mr->handle,
-                                                             FORCE_FREE);
-                                        ehea_error("register_rpage_mr failed");
-                                        ret = -EIO;
-                                        goto out;
-                                }
-                        }
-                }
        if (hret != H_SUCCESS) {
                ehea_h_free_resource(adapter->handle, mr->handle, FORCE_FREE);
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 6f22f068d6ee..25bdd0832df5 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -635,6 +635,8 @@ static void free_skb_resources(struct gfar_private *priv)
                        dev_kfree_skb_any(priv->tx_skbuff[i]);
                        priv->tx_skbuff[i] = NULL;
                }
+                txbdp++;
        }
        kfree(priv->tx_skbuff);
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index ef63c8d2bd7e..c91b12ea26ad 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -144,11 +144,13 @@ struct myri10ge_tx_buf {
        char *req_bytes;
        struct myri10ge_tx_buffer_state *info;
        int mask;               /* number of transmit slots -1  */
-        int boundary;           /* boundary transmits cannot cross */
        int req ____cacheline_aligned;  /* transmit slots submitted     */
        int pkt_start;          /* packets started */
+        int stop_queue;
+        int linearized;
        int done ____cacheline_aligned; /* transmit slots completed     */
        int pkt_done;           /* packets completed */
+        int wake_queue;
 };
 struct myri10ge_rx_done {
@@ -160,29 +162,50 @@ struct myri10ge_rx_done {
        struct net_lro_desc lro_desc[MYRI10GE_MAX_LRO_DESCRIPTORS];
 };
-struct myri10ge_priv {
+struct myri10ge_slice_netstats {
-        int running;            /* running?             */
+        unsigned long rx_packets;
-        int csum_flag;          /* rx_csums?            */
+        unsigned long tx_packets;
+        unsigned long rx_bytes;
+        unsigned long tx_bytes;
+        unsigned long rx_dropped;
+        unsigned long tx_dropped;
+};
+struct myri10ge_slice_state {
        struct myri10ge_tx_buf tx;      /* transmit ring        */
        struct myri10ge_rx_buf rx_small;
        struct myri10ge_rx_buf rx_big;
        struct myri10ge_rx_done rx_done;
+        struct net_device *dev;
+        struct napi_struct napi;
+        struct myri10ge_priv *mgp;
+        struct myri10ge_slice_netstats stats;
+        __be32 __iomem *irq_claim;
+        struct mcp_irq_data *fw_stats;
+        dma_addr_t fw_stats_bus;
+        int watchdog_tx_done;
+        int watchdog_tx_req;
+};
+struct myri10ge_priv {
+        struct myri10ge_slice_state ss;
+        int tx_boundary;        /* boundary transmits cannot cross */
+        int running;            /* running?             */
+        int csum_flag;          /* rx_csums?            */
        int small_bytes;
        int big_bytes;
+        int max_intr_slots;
        struct net_device *dev;
-        struct napi_struct napi;
        struct net_device_stats stats;
+        spinlock_t stats_lock;
        u8 __iomem *sram;
        int sram_size;
        unsigned long board_span;
        unsigned long iomem_base;
-        __be32 __iomem *irq_claim;
        __be32 __iomem *irq_deassert;
        char *mac_addr_string;
        struct mcp_cmd_response *cmd;
        dma_addr_t cmd_bus;
-        struct mcp_irq_data *fw_stats;
-        dma_addr_t fw_stats_bus;
        struct pci_dev *pdev;
        int msi_enabled;
        u32 link_state;
@@ -191,20 +214,16 @@ struct myri10ge_priv {
        __be32 __iomem *intr_coal_delay_ptr;
        int mtrr;
        int wc_enabled;
-        int wake_queue;
-        int stop_queue;
        int down_cnt;
        wait_queue_head_t down_wq;
        struct work_struct watchdog_work;
        struct timer_list watchdog_timer;
-        int watchdog_tx_done;
-        int watchdog_tx_req;
-        int watchdog_pause;
        int watchdog_resets;
-        int tx_linearized;
+        int watchdog_pause;
        int pause;
        char *fw_name;
        char eeprom_strings[MYRI10GE_EEPROM_STRINGS_SIZE];
+        char *product_code_string;
        char fw_version[128];
        int fw_ver_major;
        int fw_ver_minor;
@@ -228,58 +247,54 @@ static char *myri10ge_fw_aligned = "myri10ge_eth_z8e.dat";
 static char *myri10ge_fw_name = NULL;
 module_param(myri10ge_fw_name, charp, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(myri10ge_fw_name, "Firmware image name\n");
+MODULE_PARM_DESC(myri10ge_fw_name, "Firmware image name");
 static int myri10ge_ecrc_enable = 1;
 module_param(myri10ge_ecrc_enable, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_ecrc_enable, "Enable Extended CRC on PCI-E\n");
+MODULE_PARM_DESC(myri10ge_ecrc_enable, "Enable Extended CRC on PCI-E");
-static int myri10ge_max_intr_slots = 1024;
-module_param(myri10ge_max_intr_slots, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_max_intr_slots, "Interrupt queue slots\n");
 static int myri10ge_small_bytes = -1;   /* -1 == auto */
 module_param(myri10ge_small_bytes, int, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(myri10ge_small_bytes, "Threshold of small packets\n");
+MODULE_PARM_DESC(myri10ge_small_bytes, "Threshold of small packets");
 static int myri10ge_msi = 1;    /* enable msi by default */
 module_param(myri10ge_msi, int, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(myri10ge_msi, "Enable Message Signalled Interrupts\n");
+MODULE_PARM_DESC(myri10ge_msi, "Enable Message Signalled Interrupts");
 static int myri10ge_intr_coal_delay = 75;
 module_param(myri10ge_intr_coal_delay, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_intr_coal_delay, "Interrupt coalescing delay\n");
+MODULE_PARM_DESC(myri10ge_intr_coal_delay, "Interrupt coalescing delay");
 static int myri10ge_flow_control = 1;
 module_param(myri10ge_flow_control, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_flow_control, "Pause parameter\n");
+MODULE_PARM_DESC(myri10ge_flow_control, "Pause parameter");
 static int myri10ge_deassert_wait = 1;
 module_param(myri10ge_deassert_wait, int, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(myri10ge_deassert_wait,
-                 "Wait when deasserting legacy interrupts\n");
+                 "Wait when deasserting legacy interrupts");
 static int myri10ge_force_firmware = 0;
 module_param(myri10ge_force_firmware, int, S_IRUGO);
 MODULE_PARM_DESC(myri10ge_force_firmware,
-                 "Force firmware to assume aligned completions\n");
+                 "Force firmware to assume aligned completions");
 static int myri10ge_initial_mtu = MYRI10GE_MAX_ETHER_MTU - ETH_HLEN;
 module_param(myri10ge_initial_mtu, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_initial_mtu, "Initial MTU\n");
+MODULE_PARM_DESC(myri10ge_initial_mtu, "Initial MTU");
 static int myri10ge_napi_weight = 64;
 module_param(myri10ge_napi_weight, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_napi_weight, "Set NAPI weight\n");
+MODULE_PARM_DESC(myri10ge_napi_weight, "Set NAPI weight");
 static int myri10ge_watchdog_timeout = 1;
 module_param(myri10ge_watchdog_timeout, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_watchdog_timeout, "Set watchdog timeout\n");
+MODULE_PARM_DESC(myri10ge_watchdog_timeout, "Set watchdog timeout");
 static int myri10ge_max_irq_loops = 1048576;
 module_param(myri10ge_max_irq_loops, int, S_IRUGO);
 MODULE_PARM_DESC(myri10ge_max_irq_loops,
-                 "Set stuck legacy IRQ detection threshold\n");
+                 "Set stuck legacy IRQ detection threshold");
 #define MYRI10GE_MSG_DEFAULT NETIF_MSG_LINK
@@ -289,21 +304,22 @@ MODULE_PARM_DESC(myri10ge_debug, "Debug level (0=none,...,16=all)");
 static int myri10ge_lro = 1;
 module_param(myri10ge_lro, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_lro, "Enable large receive offload\n");
+MODULE_PARM_DESC(myri10ge_lro, "Enable large receive offload");
 static int myri10ge_lro_max_pkts = MYRI10GE_LRO_MAX_PKTS;
 module_param(myri10ge_lro_max_pkts, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_lro, "Number of LRO packets to be aggregated\n");
+MODULE_PARM_DESC(myri10ge_lro_max_pkts,
+                 "Number of LRO packets to be aggregated");
 static int myri10ge_fill_thresh = 256;
 module_param(myri10ge_fill_thresh, int, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(myri10ge_fill_thresh, "Number of empty rx slots allowed\n");
+MODULE_PARM_DESC(myri10ge_fill_thresh, "Number of empty rx slots allowed");
 static int myri10ge_reset_recover = 1;
 static int myri10ge_wcfifo = 0;
 module_param(myri10ge_wcfifo, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_wcfifo, "Enable WC Fifo when WC is enabled\n");
+MODULE_PARM_DESC(myri10ge_wcfifo, "Enable WC Fifo when WC is enabled");
 #define MYRI10GE_FW_OFFSET 1024*1024
 #define MYRI10GE_HIGHPART_TO_U32(X) \
@@ -359,8 +375,10 @@ myri10ge_send_cmd(struct myri10ge_priv *mgp, u32 cmd,
                for (sleep_total = 0;
                     sleep_total < 1000
                     && response->result == htonl(MYRI10GE_NO_RESPONSE_RESULT);
-                     sleep_total += 10)
+                     sleep_total += 10) {
                        udelay(10);
+                        mb();
+                }
        } else {
                /* use msleep for most command */
                for (sleep_total = 0;
@@ -420,6 +438,10 @@ static int myri10ge_read_mac_addr(struct myri10ge_priv *mgp)
                                ptr += 1;
                        }
                }
+                if (memcmp(ptr, "PC=", 3) == 0) {
+                        ptr += 3;
+                        mgp->product_code_string = ptr;
+                }
                if (memcmp((const void *)ptr, "SN=", 3) == 0) {
                        ptr += 3;
                        mgp->serial_number = simple_strtoul(ptr, &ptr, 10);
@@ -442,7 +464,7 @@ abort:
 static void myri10ge_dummy_rdma(struct myri10ge_priv *mgp, int enable)
 {
        char __iomem *submit;
-        __be32 buf[16];
+        __be32 buf[16] __attribute__ ((__aligned__(8)));
        u32 dma_low, dma_high;
        int i;
@@ -609,13 +631,38 @@ static int myri10ge_adopt_running_firmware(struct myri10ge_priv *mgp)
        return status;
 }
+int myri10ge_get_firmware_capabilities(struct myri10ge_priv *mgp)
+{
+        struct myri10ge_cmd cmd;
+        int status;
+        /* probe for IPv6 TSO support */
+        mgp->features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_TSO;
+        status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_MAX_TSO6_HDR_SIZE,
+                                   &cmd, 0);
+        if (status == 0) {
+                mgp->max_tso6 = cmd.data0;
+                mgp->features |= NETIF_F_TSO6;
+        }
+        status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_RX_RING_SIZE, &cmd, 0);
+        if (status != 0) {
+                dev_err(&mgp->pdev->dev,
+                        "failed MXGEFW_CMD_GET_RX_RING_SIZE\n");
+                return -ENXIO;
+        }
+        mgp->max_intr_slots = 2 * (cmd.data0 / sizeof(struct mcp_dma_addr));
+        return 0;
+}
 static int myri10ge_load_firmware(struct myri10ge_priv *mgp)
 {
        char __iomem *submit;
-        __be32 buf[16];
+        __be32 buf[16] __attribute__ ((__aligned__(8)));
        u32 dma_low, dma_high, size;
        int status, i;
-        struct myri10ge_cmd cmd;
        size = 0;
        status = myri10ge_load_hotplug_firmware(mgp, &size);
@@ -635,7 +682,7 @@ static int myri10ge_load_firmware(struct myri10ge_priv *mgp)
                }
                dev_info(&mgp->pdev->dev,
                         "Successfully adopted running firmware\n");
-                if (mgp->tx.boundary == 4096) {
+                if (mgp->tx_boundary == 4096) {
                        dev_warn(&mgp->pdev->dev,
                                 "Using firmware currently running on NIC"
                                 ".  For optimal\n");
@@ -646,7 +693,9 @@ static int myri10ge_load_firmware(struct myri10ge_priv *mgp)
                }
                mgp->fw_name = "adopted";
-                mgp->tx.boundary = 2048;
+                mgp->tx_boundary = 2048;
+                myri10ge_dummy_rdma(mgp, 1);
+                status = myri10ge_get_firmware_capabilities(mgp);
                return status;
        }
@@ -681,26 +730,18 @@ static int myri10ge_load_firmware(struct myri10ge_priv *mgp)
        msleep(1);
        mb();
        i = 0;
-        while (mgp->cmd->data != MYRI10GE_NO_CONFIRM_DATA && i < 20) {
+        while (mgp->cmd->data != MYRI10GE_NO_CONFIRM_DATA && i < 9) {
-                msleep(1);
+                msleep(1 << i);
                i++;
        }
        if (mgp->cmd->data != MYRI10GE_NO_CONFIRM_DATA) {
                dev_err(&mgp->pdev->dev, "handoff failed\n");
                return -ENXIO;
        }
-        dev_info(&mgp->pdev->dev, "handoff confirmed\n");
        myri10ge_dummy_rdma(mgp, 1);
+        status = myri10ge_get_firmware_capabilities(mgp);
-        /* probe for IPv6 TSO support */
+        return status;
-        mgp->features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_TSO;
-        status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_MAX_TSO6_HDR_SIZE,
-                                   &cmd, 0);
-        if (status == 0) {
-                mgp->max_tso6 = cmd.data0;
-                mgp->features |= NETIF_F_TSO6;
-        }
-        return 0;
 }
 static int myri10ge_update_mac_address(struct myri10ge_priv *mgp, u8 * addr)
@@ -772,7 +813,7 @@ static int myri10ge_dma_test(struct myri10ge_priv *mgp, int test_type)
         * transfers took to complete.
         */
-        len = mgp->tx.boundary;
+        len = mgp->tx_boundary;
        cmd.data0 = MYRI10GE_LOWPART_TO_U32(dmatest_bus);
        cmd.data1 = MYRI10GE_HIGHPART_TO_U32(dmatest_bus);
@@ -834,17 +875,17 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
        /* Now exchange information about interrupts  */
-        bytes = myri10ge_max_intr_slots * sizeof(*mgp->rx_done.entry);
+        bytes = mgp->max_intr_slots * sizeof(*mgp->ss.rx_done.entry);
-        memset(mgp->rx_done.entry, 0, bytes);
+        memset(mgp->ss.rx_done.entry, 0, bytes);
        cmd.data0 = (u32) bytes;
        status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_INTRQ_SIZE, &cmd, 0);
-        cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->rx_done.bus);
+        cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->ss.rx_done.bus);
-        cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->rx_done.bus);
+        cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->ss.rx_done.bus);
        status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_INTRQ_DMA, &cmd, 0);
        status |=
            myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_IRQ_ACK_OFFSET, &cmd, 0);
-        mgp->irq_claim = (__iomem __be32 *) (mgp->sram + cmd.data0);
+        mgp->ss.irq_claim = (__iomem __be32 *) (mgp->sram + cmd.data0);
        status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_IRQ_DEASSERT_OFFSET,
                                    &cmd, 0);
        mgp->irq_deassert = (__iomem __be32 *) (mgp->sram + cmd.data0);
@@ -858,17 +899,17 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
        }
        put_be32(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr);
-        memset(mgp->rx_done.entry, 0, bytes);
+        memset(mgp->ss.rx_done.entry, 0, bytes);
        /* reset mcp/driver shared state back to 0 */
-        mgp->tx.req = 0;
+        mgp->ss.tx.req = 0;
-        mgp->tx.done = 0;
+        mgp->ss.tx.done = 0;
-        mgp->tx.pkt_start = 0;
+        mgp->ss.tx.pkt_start = 0;
-        mgp->tx.pkt_done = 0;
+        mgp->ss.tx.pkt_done = 0;
-        mgp->rx_big.cnt = 0;
+        mgp->ss.rx_big.cnt = 0;
-        mgp->rx_small.cnt = 0;
+        mgp->ss.rx_small.cnt = 0;
-        mgp->rx_done.idx = 0;
+        mgp->ss.rx_done.idx = 0;
-        mgp->rx_done.cnt = 0;
+        mgp->ss.rx_done.cnt = 0;
        mgp->link_changes = 0;
        status = myri10ge_update_mac_address(mgp, mgp->dev->dev_addr);
        myri10ge_change_pause(mgp, mgp->pause);
@@ -1020,9 +1061,10 @@ myri10ge_unmap_rx_page(struct pci_dev *pdev,
                                 * page into an skb */
 static inline int
-myri10ge_rx_done(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
+myri10ge_rx_done(struct myri10ge_slice_state *ss, struct myri10ge_rx_buf *rx,
                 int bytes, int len, __wsum csum)
 {
+        struct myri10ge_priv *mgp = ss->mgp;
        struct sk_buff *skb;
        struct skb_frag_struct rx_frags[MYRI10GE_MAX_FRAGS_PER_FRAME];
        int i, idx, hlen, remainder;
@@ -1052,11 +1094,10 @@ myri10ge_rx_done(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
                rx_frags[0].page_offset += MXGEFW_PAD;
                rx_frags[0].size -= MXGEFW_PAD;
                len -= MXGEFW_PAD;
-                lro_receive_frags(&mgp->rx_done.lro_mgr, rx_frags,
+                lro_receive_frags(&ss->rx_done.lro_mgr, rx_frags,
                                  len, len,
-                                 /* opaque, will come back in get_frag_header */
+                                  /* opaque, will come back in get_frag_header */
-                                  (void *)(__force unsigned long)csum,
+                                  (void *)(__force unsigned long)csum, csum);
-                                  csum);
                return 1;
        }
@@ -1096,10 +1137,11 @@ myri10ge_rx_done(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
        return 1;
 }
-static inline void myri10ge_tx_done(struct myri10ge_priv *mgp, int mcp_index)
+static inline void
+myri10ge_tx_done(struct myri10ge_slice_state *ss, int mcp_index)
 {
-        struct pci_dev *pdev = mgp->pdev;
+        struct pci_dev *pdev = ss->mgp->pdev;
-        struct myri10ge_tx_buf *tx = &mgp->tx;
+        struct myri10ge_tx_buf *tx = &ss->tx;
        struct sk_buff *skb;
        int idx, len;
@@ -1117,8 +1159,8 @@ static inline void myri10ge_tx_done(struct myri10ge_priv *mgp, int mcp_index)
                len = pci_unmap_len(&tx->info[idx], len);
                pci_unmap_len_set(&tx->info[idx], len, 0);
                if (skb) {
-                        mgp->stats.tx_bytes += skb->len;
+                        ss->stats.tx_bytes += skb->len;
-                        mgp->stats.tx_packets++;
+                        ss->stats.tx_packets++;
                        dev_kfree_skb_irq(skb);
                        if (len)
                                pci_unmap_single(pdev,
@@ -1134,16 +1176,18 @@ static inline void myri10ge_tx_done(struct myri10ge_priv *mgp, int mcp_index)
                }
        }
        /* start the queue if we've stopped it */
-        if (netif_queue_stopped(mgp->dev)
+        if (netif_queue_stopped(ss->dev)
            && tx->req - tx->done < (tx->mask >> 1)) {
-                mgp->wake_queue++;
+                tx->wake_queue++;
-                netif_wake_queue(mgp->dev);
+                netif_wake_queue(ss->dev);
        }
 }
-static inline int myri10ge_clean_rx_done(struct myri10ge_priv *mgp, int budget)
+static inline int
+myri10ge_clean_rx_done(struct myri10ge_slice_state *ss, int budget)
 {
-        struct myri10ge_rx_done *rx_done = &mgp->rx_done;
+        struct myri10ge_rx_done *rx_done = &ss->rx_done;
+        struct myri10ge_priv *mgp = ss->mgp;
        unsigned long rx_bytes = 0;
        unsigned long rx_packets = 0;
        unsigned long rx_ok;
@@ -1159,40 +1203,40 @@ static inline int myri10ge_clean_rx_done(struct myri10ge_priv *mgp, int budget)
                rx_done->entry[idx].length = 0;
                checksum = csum_unfold(rx_done->entry[idx].checksum);
                if (length <= mgp->small_bytes)
-                        rx_ok = myri10ge_rx_done(mgp, &mgp->rx_small,
+                        rx_ok = myri10ge_rx_done(ss, &ss->rx_small,
                                                 mgp->small_bytes,
                                                 length, checksum);
                else
-                        rx_ok = myri10ge_rx_done(mgp, &mgp->rx_big,
+                        rx_ok = myri10ge_rx_done(ss, &ss->rx_big,
                                                 mgp->big_bytes,
                                                 length, checksum);
                rx_packets += rx_ok;
                rx_bytes += rx_ok * (unsigned long)length;
                cnt++;
-                idx = cnt & (myri10ge_max_intr_slots - 1);
+                idx = cnt & (mgp->max_intr_slots - 1);
                work_done++;
        }
        rx_done->idx = idx;
        rx_done->cnt = cnt;
-        mgp->stats.rx_packets += rx_packets;
+        ss->stats.rx_packets += rx_packets;
-        mgp->stats.rx_bytes += rx_bytes;
+        ss->stats.rx_bytes += rx_bytes;
        if (myri10ge_lro)
                lro_flush_all(&rx_done->lro_mgr);
        /* restock receive rings if needed */
-        if (mgp->rx_small.fill_cnt - mgp->rx_small.cnt < myri10ge_fill_thresh)
+        if (ss->rx_small.fill_cnt - ss->rx_small.cnt < myri10ge_fill_thresh)
-                myri10ge_alloc_rx_pages(mgp, &mgp->rx_small,
+                myri10ge_alloc_rx_pages(mgp, &ss->rx_small,
                                        mgp->small_bytes + MXGEFW_PAD, 0);
-        if (mgp->rx_big.fill_cnt - mgp->rx_big.cnt < myri10ge_fill_thresh)
+        if (ss->rx_big.fill_cnt - ss->rx_big.cnt < myri10ge_fill_thresh)
-                myri10ge_alloc_rx_pages(mgp, &mgp->rx_big, mgp->big_bytes, 0);
+                myri10ge_alloc_rx_pages(mgp, &ss->rx_big, mgp->big_bytes, 0);
        return work_done;
 }
 static inline void myri10ge_check_statblock(struct myri10ge_priv *mgp)
 {
-        struct mcp_irq_data *stats = mgp->fw_stats;
+        struct mcp_irq_data *stats = mgp->ss.fw_stats;
        if (unlikely(stats->stats_updated)) {
                unsigned link_up = ntohl(stats->link_up);
@@ -1219,9 +1263,9 @@ static inline void myri10ge_check_statblock(struct myri10ge_priv *mgp)
                        }
                }
                if (mgp->rdma_tags_available !=
-                    ntohl(mgp->fw_stats->rdma_tags_available)) {
+                    ntohl(stats->rdma_tags_available)) {
                        mgp->rdma_tags_available =
-                            ntohl(mgp->fw_stats->rdma_tags_available);
+                            ntohl(stats->rdma_tags_available);
                        printk(KERN_WARNING "myri10ge: %s: RDMA timed out! "
                               "%d tags left\n", mgp->dev->name,
                               mgp->rdma_tags_available);
@@ -1234,26 +1278,27 @@ static inline void myri10ge_check_statblock(struct myri10ge_priv *mgp)
 static int myri10ge_poll(struct napi_struct *napi, int budget)
 {
-        struct myri10ge_priv *mgp =
+        struct myri10ge_slice_state *ss =
-            container_of(napi, struct myri10ge_priv, napi);
+            container_of(napi, struct myri10ge_slice_state, napi);
-        struct net_device *netdev = mgp->dev;
+        struct net_device *netdev = ss->mgp->dev;
        int work_done;
        /* process as many rx events as NAPI will allow */
-        work_done = myri10ge_clean_rx_done(mgp, budget);
+        work_done = myri10ge_clean_rx_done(ss, budget);
        if (work_done < budget) {
                netif_rx_complete(netdev, napi);
-                put_be32(htonl(3), mgp->irq_claim);
+                put_be32(htonl(3), ss->irq_claim);
        }
        return work_done;
 }
 static irqreturn_t myri10ge_intr(int irq, void *arg)
 {
-        struct myri10ge_priv *mgp = arg;
+        struct myri10ge_slice_state *ss = arg;
-        struct mcp_irq_data *stats = mgp->fw_stats;
+        struct myri10ge_priv *mgp = ss->mgp;
-        struct myri10ge_tx_buf *tx = &mgp->tx;
+        struct mcp_irq_data *stats = ss->fw_stats;
+        struct myri10ge_tx_buf *tx = &ss->tx;
        u32 send_done_count;
        int i;
@@ -1264,7 +1309,7 @@ static irqreturn_t myri10ge_intr(int irq, void *arg)
        /* low bit indicates receives are present, so schedule
         * napi poll handler */
        if (stats->valid & 1)
-                netif_rx_schedule(mgp->dev, &mgp->napi);
+                netif_rx_schedule(ss->dev, &ss->napi);
        if (!mgp->msi_enabled) {
                put_be32(0, mgp->irq_deassert);
@@ -1281,7 +1326,7 @@ static irqreturn_t myri10ge_intr(int irq, void *arg)
                /* check for transmit completes and receives */
                send_done_count = ntohl(stats->send_done_count);
                if (send_done_count != tx->pkt_done)
-                        myri10ge_tx_done(mgp, (int)send_done_count);
+                        myri10ge_tx_done(ss, (int)send_done_count);
                if (unlikely(i > myri10ge_max_irq_loops)) {
                        printk(KERN_WARNING "myri10ge: %s: irq stuck?\n",
                               mgp->dev->name);
@@ -1296,16 +1341,46 @@ static irqreturn_t myri10ge_intr(int irq, void *arg)
        myri10ge_check_statblock(mgp);
-        put_be32(htonl(3), mgp->irq_claim + 1);
+        put_be32(htonl(3), ss->irq_claim + 1);
        return (IRQ_HANDLED);
 }
 static int
 myri10ge_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd)
 {
+        struct myri10ge_priv *mgp = netdev_priv(netdev);
+        char *ptr;
+        int i;
        cmd->autoneg = AUTONEG_DISABLE;
        cmd->speed = SPEED_10000;
        cmd->duplex = DUPLEX_FULL;
+        /*
+         * parse the product code to deterimine the interface type
+         * (CX4, XFP, Quad Ribbon Fiber) by looking at the character
+         * after the 3rd dash in the driver's cached copy of the
+         * EEPROM's product code string.
+         */
+        ptr = mgp->product_code_string;
+        if (ptr == NULL) {
+                printk(KERN_ERR "myri10ge: %s: Missing product code\n",
+                       netdev->name);
+                return 0;
+        }
+        for (i = 0; i < 3; i++, ptr++) {
+                ptr = strchr(ptr, '-');
+                if (ptr == NULL) {
+                        printk(KERN_ERR "myri10ge: %s: Invalid product "
+                               "code %s\n", netdev->name,
+                               mgp->product_code_string);
+                        return 0;
+                }
+        }
+        if (*ptr == 'R' || *ptr == 'Q') {
+                /* We've found either an XFP or quad ribbon fiber */
+                cmd->port = PORT_FIBRE;
+        }
        return 0;
 }
@@ -1324,6 +1399,7 @@ static int
 myri10ge_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coal)
 {
        struct myri10ge_priv *mgp = netdev_priv(netdev);
        coal->rx_coalesce_usecs = mgp->intr_coal_delay;
        return 0;
 }
@@ -1370,10 +1446,10 @@ myri10ge_get_ringparam(struct net_device *netdev,
 {
        struct myri10ge_priv *mgp = netdev_priv(netdev);
-        ring->rx_mini_max_pending = mgp->rx_small.mask + 1;
+        ring->rx_mini_max_pending = mgp->ss.rx_small.mask + 1;
-        ring->rx_max_pending = mgp->rx_big.mask + 1;
+        ring->rx_max_pending = mgp->ss.rx_big.mask + 1;
        ring->rx_jumbo_max_pending = 0;
-        ring->tx_max_pending = mgp->rx_small.mask + 1;
+        ring->tx_max_pending = mgp->ss.rx_small.mask + 1;
        ring->rx_mini_pending = ring->rx_mini_max_pending;
        ring->rx_pending = ring->rx_max_pending;
        ring->rx_jumbo_pending = ring->rx_jumbo_max_pending;
@@ -1383,6 +1459,7 @@ myri10ge_get_ringparam(struct net_device *netdev,
 static u32 myri10ge_get_rx_csum(struct net_device *netdev)
 {
        struct myri10ge_priv *mgp = netdev_priv(netdev);
        if (mgp->csum_flag)
                return 1;
        else
@@ -1392,6 +1469,7 @@ static u32 myri10ge_get_rx_csum(struct net_device *netdev)
 static int myri10ge_set_rx_csum(struct net_device *netdev, u32 csum_enabled)
 {
        struct myri10ge_priv *mgp = netdev_priv(netdev);
        if (csum_enabled)
                mgp->csum_flag = MXGEFW_FLAGS_CKSUM;
        else
@@ -1411,7 +1489,7 @@ static int myri10ge_set_tso(struct net_device *netdev, u32 tso_enabled)
        return 0;
 }
-static const char myri10ge_gstrings_stats[][ETH_GSTRING_LEN] = {
+static const char myri10ge_gstrings_main_stats[][ETH_GSTRING_LEN] = {
        "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
        "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
        "rx_length_errors", "rx_over_errors", "rx_crc_errors",
@@ -1421,28 +1499,39 @@ static const char myri10ge_gstrings_stats[][ETH_GSTRING_LEN] = {
        /* device-specific stats */
        "tx_boundary", "WC", "irq", "MSI",
        "read_dma_bw_MBs", "write_dma_bw_MBs", "read_write_dma_bw_MBs",
-        "serial_number", "tx_pkt_start", "tx_pkt_done",
+        "serial_number", "watchdog_resets",
-        "tx_req", "tx_done", "rx_small_cnt", "rx_big_cnt",
-        "wake_queue", "stop_queue", "watchdog_resets", "tx_linearized",
        "link_changes", "link_up", "dropped_link_overflow",
        "dropped_link_error_or_filtered",
        "dropped_pause", "dropped_bad_phy", "dropped_bad_crc32",
        "dropped_unicast_filtered", "dropped_multicast_filtered",
        "dropped_runt", "dropped_overrun", "dropped_no_small_buffer",
-        "dropped_no_big_buffer", "LRO aggregated", "LRO flushed",
+        "dropped_no_big_buffer"
+};
+static const char myri10ge_gstrings_slice_stats[][ETH_GSTRING_LEN] = {
+        "----------- slice ---------",
+        "tx_pkt_start", "tx_pkt_done", "tx_req", "tx_done",
+        "rx_small_cnt", "rx_big_cnt",
+        "wake_queue", "stop_queue", "tx_linearized", "LRO aggregated",
+            "LRO flushed",
        "LRO avg aggr", "LRO no_desc"
 };
 #define MYRI10GE_NET_STATS_LEN      21
-#define MYRI10GE_STATS_LEN      ARRAY_SIZE(myri10ge_gstrings_stats)
+#define MYRI10GE_MAIN_STATS_LEN  ARRAY_SIZE(myri10ge_gstrings_main_stats)
+#define MYRI10GE_SLICE_STATS_LEN  ARRAY_SIZE(myri10ge_gstrings_slice_stats)
 static void
 myri10ge_get_strings(struct net_device *netdev, u32 stringset, u8 * data)
 {
        switch (stringset) {
        case ETH_SS_STATS:
-                memcpy(data, *myri10ge_gstrings_stats,
+                memcpy(data, *myri10ge_gstrings_main_stats,
-                       sizeof(myri10ge_gstrings_stats));
+                       sizeof(myri10ge_gstrings_main_stats));
+                data += sizeof(myri10ge_gstrings_main_stats);
+                memcpy(data, *myri10ge_gstrings_slice_stats,
+                       sizeof(myri10ge_gstrings_slice_stats));
+                data += sizeof(myri10ge_gstrings_slice_stats);
                break;
        }
 }
@@ -1451,7 +1540,7 @@ static int myri10ge_get_sset_count(struct net_device *netdev, int sset)
 {
        switch (sset) {
        case ETH_SS_STATS:
-                return MYRI10GE_STATS_LEN;
+                return MYRI10GE_MAIN_STATS_LEN + MYRI10GE_SLICE_STATS_LEN;
        default:
                return -EOPNOTSUPP;
        }
@@ -1462,12 +1551,13 @@ myri10ge_get_ethtool_stats(struct net_device *netdev,
                           struct ethtool_stats *stats, u64 * data)
 {
        struct myri10ge_priv *mgp = netdev_priv(netdev);
+        struct myri10ge_slice_state *ss;
        int i;
        for (i = 0; i < MYRI10GE_NET_STATS_LEN; i++)
                data[i] = ((unsigned long *)&mgp->stats)[i];
-        data[i++] = (unsigned int)mgp->tx.boundary;
+        data[i++] = (unsigned int)mgp->tx_boundary;
        data[i++] = (unsigned int)mgp->wc_enabled;
        data[i++] = (unsigned int)mgp->pdev->irq;
        data[i++] = (unsigned int)mgp->msi_enabled;
@@ -1475,40 +1565,44 @@ myri10ge_get_ethtool_stats(struct net_device *netdev,
        data[i++] = (unsigned int)mgp->write_dma;
        data[i++] = (unsigned int)mgp->read_write_dma;
        data[i++] = (unsigned int)mgp->serial_number;
-        data[i++] = (unsigned int)mgp->tx.pkt_start;
-        data[i++] = (unsigned int)mgp->tx.pkt_done;
-        data[i++] = (unsigned int)mgp->tx.req;
-        data[i++] = (unsigned int)mgp->tx.done;
-        data[i++] = (unsigned int)mgp->rx_small.cnt;
-        data[i++] = (unsigned int)mgp->rx_big.cnt;
-        data[i++] = (unsigned int)mgp->wake_queue;
-        data[i++] = (unsigned int)mgp->stop_queue;
        data[i++] = (unsigned int)mgp->watchdog_resets;
-        data[i++] = (unsigned int)mgp->tx_linearized;
        data[i++] = (unsigned int)mgp->link_changes;
-        data[i++] = (unsigned int)ntohl(mgp->fw_stats->link_up);
-        data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_link_overflow);
+        /* firmware stats are useful only in the first slice */
-        data[i++] =
+        ss = &mgp->ss;
-            (unsigned int)ntohl(mgp->fw_stats->dropped_link_error_or_filtered);
+        data[i++] = (unsigned int)ntohl(ss->fw_stats->link_up);
-        data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_pause);
+        data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_link_overflow);
-        data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_bad_phy);
-        data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_bad_crc32);
        data[i++] =
-            (unsigned int)ntohl(mgp->fw_stats->dropped_unicast_filtered);
+            (unsigned int)ntohl(ss->fw_stats->dropped_link_error_or_filtered);
+        data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_pause);
+        data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_bad_phy);
+        data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_bad_crc32);
+        data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_unicast_filtered);
        data[i++] =
-            (unsigned int)ntohl(mgp->fw_stats->dropped_multicast_filtered);
+            (unsigned int)ntohl(ss->fw_stats->dropped_multicast_filtered);
-        data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_runt);
+        data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_runt);
-        data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_overrun);
+        data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_overrun);
-        data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_no_small_buffer);
+        data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_no_small_buffer);
-        data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_no_big_buffer);
+        data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_no_big_buffer);
-        data[i++] = mgp->rx_done.lro_mgr.stats.aggregated;
-        data[i++] = mgp->rx_done.lro_mgr.stats.flushed;
+        data[i++] = 0;
-        if (mgp->rx_done.lro_mgr.stats.flushed)
+        data[i++] = (unsigned int)ss->tx.pkt_start;
-                data[i++] = mgp->rx_done.lro_mgr.stats.aggregated /
+        data[i++] = (unsigned int)ss->tx.pkt_done;
-                    mgp->rx_done.lro_mgr.stats.flushed;
+        data[i++] = (unsigned int)ss->tx.req;
+        data[i++] = (unsigned int)ss->tx.done;
+        data[i++] = (unsigned int)ss->rx_small.cnt;
+        data[i++] = (unsigned int)ss->rx_big.cnt;
+        data[i++] = (unsigned int)ss->tx.wake_queue;
+        data[i++] = (unsigned int)ss->tx.stop_queue;
+        data[i++] = (unsigned int)ss->tx.linearized;
+        data[i++] = ss->rx_done.lro_mgr.stats.aggregated;
+        data[i++] = ss->rx_done.lro_mgr.stats.flushed;
+        if (ss->rx_done.lro_mgr.stats.flushed)
+                data[i++] = ss->rx_done.lro_mgr.stats.aggregated /
+                    ss->rx_done.lro_mgr.stats.flushed;
        else
                data[i++] = 0;
-        data[i++] = mgp->rx_done.lro_mgr.stats.no_desc;
+        data[i++] = ss->rx_done.lro_mgr.stats.no_desc;
 }
 static void myri10ge_set_msglevel(struct net_device *netdev, u32 value)
@@ -1544,19 +1638,17 @@ static const struct ethtool_ops myri10ge_ethtool_ops = {
        .get_msglevel = myri10ge_get_msglevel
 };
-static int myri10ge_allocate_rings(struct net_device *dev)
+static int myri10ge_allocate_rings(struct myri10ge_slice_state *ss)
 {
-        struct myri10ge_priv *mgp;
+        struct myri10ge_priv *mgp = ss->mgp;
        struct myri10ge_cmd cmd;
+        struct net_device *dev = mgp->dev;
        int tx_ring_size, rx_ring_size;
        int tx_ring_entries, rx_ring_entries;
        int i, status;
        size_t bytes;
-        mgp = netdev_priv(dev);
        /* get ring sizes */
        status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SEND_RING_SIZE, &cmd, 0);
        tx_ring_size = cmd.data0;
        status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_RX_RING_SIZE, &cmd, 0);
@@ -1566,144 +1658,142 @@ static int myri10ge_allocate_rings(struct net_device *dev)
        tx_ring_entries = tx_ring_size / sizeof(struct mcp_kreq_ether_send);
        rx_ring_entries = rx_ring_size / sizeof(struct mcp_dma_addr);
-        mgp->tx.mask = tx_ring_entries - 1;
+        ss->tx.mask = tx_ring_entries - 1;
-        mgp->rx_small.mask = mgp->rx_big.mask = rx_ring_entries - 1;
+        ss->rx_small.mask = ss->rx_big.mask = rx_ring_entries - 1;
        status = -ENOMEM;
        /* allocate the host shadow rings */
        bytes = 8 + (MYRI10GE_MAX_SEND_DESC_TSO + 4)
-            * sizeof(*mgp->tx.req_list);
+            * sizeof(*ss->tx.req_list);
-        mgp->tx.req_bytes = kzalloc(bytes, GFP_KERNEL);
+        ss->tx.req_bytes = kzalloc(bytes, GFP_KERNEL);
-        if (mgp->tx.req_bytes == NULL)
+        if (ss->tx.req_bytes == NULL)
                goto abort_with_nothing;
        /* ensure req_list entries are aligned to 8 bytes */
-        mgp->tx.req_list = (struct mcp_kreq_ether_send *)
+        ss->tx.req_list = (struct mcp_kreq_ether_send *)
-            ALIGN((unsigned long)mgp->tx.req_bytes, 8);
+            ALIGN((unsigned long)ss->tx.req_bytes, 8);
-        bytes = rx_ring_entries * sizeof(*mgp->rx_small.shadow);
+        bytes = rx_ring_entries * sizeof(*ss->rx_small.shadow);
-        mgp->rx_small.shadow = kzalloc(bytes, GFP_KERNEL);
+        ss->rx_small.shadow = kzalloc(bytes, GFP_KERNEL);
-        if (mgp->rx_small.shadow == NULL)
+        if (ss->rx_small.shadow == NULL)
                goto abort_with_tx_req_bytes;
-        bytes = rx_ring_entries * sizeof(*mgp->rx_big.shadow);
+        bytes = rx_ring_entries * sizeof(*ss->rx_big.shadow);
-        mgp->rx_big.shadow = kzalloc(bytes, GFP_KERNEL);
+        ss->rx_big.shadow = kzalloc(bytes, GFP_KERNEL);
-        if (mgp->rx_big.shadow == NULL)
+        if (ss->rx_big.shadow == NULL)
                goto abort_with_rx_small_shadow;
        /* allocate the host info rings */
-        bytes = tx_ring_entries * sizeof(*mgp->tx.info);
+        bytes = tx_ring_entries * sizeof(*ss->tx.info);
-        mgp->tx.info = kzalloc(bytes, GFP_KERNEL);
+        ss->tx.info = kzalloc(bytes, GFP_KERNEL);
-        if (mgp->tx.info == NULL)
+        if (ss->tx.info == NULL)
                goto abort_with_rx_big_shadow;
-        bytes = rx_ring_entries * sizeof(*mgp->rx_small.info);
+        bytes = rx_ring_entries * sizeof(*ss->rx_small.info);
-        mgp->rx_small.info = kzalloc(bytes, GFP_KERNEL);
+        ss->rx_small.info = kzalloc(bytes, GFP_KERNEL);
-        if (mgp->rx_small.info == NULL)
+        if (ss->rx_small.info == NULL)
                goto abort_with_tx_info;
-        bytes = rx_ring_entries * sizeof(*mgp->rx_big.info);
+        bytes = rx_ring_entries * sizeof(*ss->rx_big.info);
-        mgp->rx_big.info = kzalloc(bytes, GFP_KERNEL);
+        ss->rx_big.info = kzalloc(bytes, GFP_KERNEL);
-        if (mgp->rx_big.info == NULL)
+        if (ss->rx_big.info == NULL)
                goto abort_with_rx_small_info;
        /* Fill the receive rings */
-        mgp->rx_big.cnt = 0;
+        ss->rx_big.cnt = 0;
-        mgp->rx_small.cnt = 0;
+        ss->rx_small.cnt = 0;
-        mgp->rx_big.fill_cnt = 0;
+        ss->rx_big.fill_cnt = 0;
-        mgp->rx_small.fill_cnt = 0;
+        ss->rx_small.fill_cnt = 0;
-        mgp->rx_small.page_offset = MYRI10GE_ALLOC_SIZE;
+        ss->rx_small.page_offset = MYRI10GE_ALLOC_SIZE;
-        mgp->rx_big.page_offset = MYRI10GE_ALLOC_SIZE;
+        ss->rx_big.page_offset = MYRI10GE_ALLOC_SIZE;
-        mgp->rx_small.watchdog_needed = 0;
+        ss->rx_small.watchdog_needed = 0;
-        mgp->rx_big.watchdog_needed = 0;
+        ss->rx_big.watchdog_needed = 0;
-        myri10ge_alloc_rx_pages(mgp, &mgp->rx_small,
+        myri10ge_alloc_rx_pages(mgp, &ss->rx_small,
                                mgp->small_bytes + MXGEFW_PAD, 0);
-        if (mgp->rx_small.fill_cnt < mgp->rx_small.mask + 1) {
+        if (ss->rx_small.fill_cnt < ss->rx_small.mask + 1) {
                printk(KERN_ERR "myri10ge: %s: alloced only %d small bufs\n",
-                       dev->name, mgp->rx_small.fill_cnt);
+                       dev->name, ss->rx_small.fill_cnt);
                goto abort_with_rx_small_ring;
        }
-        myri10ge_alloc_rx_pages(mgp, &mgp->rx_big, mgp->big_bytes, 0);
+        myri10ge_alloc_rx_pages(mgp, &ss->rx_big, mgp->big_bytes, 0);
-        if (mgp->rx_big.fill_cnt < mgp->rx_big.mask + 1) {
+        if (ss->rx_big.fill_cnt < ss->rx_big.mask + 1) {
                printk(KERN_ERR "myri10ge: %s: alloced only %d big bufs\n",
-                       dev->name, mgp->rx_big.fill_cnt);
+                       dev->name, ss->rx_big.fill_cnt);
                goto abort_with_rx_big_ring;
        }
        return 0;
 abort_with_rx_big_ring:
-        for (i = mgp->rx_big.cnt; i < mgp->rx_big.fill_cnt; i++) {
+        for (i = ss->rx_big.cnt; i < ss->rx_big.fill_cnt; i++) {
-                int idx = i & mgp->rx_big.mask;
+                int idx = i & ss->rx_big.mask;
-                myri10ge_unmap_rx_page(mgp->pdev, &mgp->rx_big.info[idx],
+                myri10ge_unmap_rx_page(mgp->pdev, &ss->rx_big.info[idx],
                                       mgp->big_bytes);
-                put_page(mgp->rx_big.info[idx].page);
+                put_page(ss->rx_big.info[idx].page);
        }
 abort_with_rx_small_ring:
-        for (i = mgp->rx_small.cnt; i < mgp->rx_small.fill_cnt; i++) {
+        for (i = ss->rx_small.cnt; i < ss->rx_small.fill_cnt; i++) {
-                int idx = i & mgp->rx_small.mask;
+                int idx = i & ss->rx_small.mask;
-                myri10ge_unmap_rx_page(mgp->pdev, &mgp->rx_small.info[idx],
+                myri10ge_unmap_rx_page(mgp->pdev, &ss->rx_small.info[idx],
                                       mgp->small_bytes + MXGEFW_PAD);
-                put_page(mgp->rx_small.info[idx].page);
+                put_page(ss->rx_small.info[idx].page);
        }
-        kfree(mgp->rx_big.info);
+        kfree(ss->rx_big.info);
 abort_with_rx_small_info:
-        kfree(mgp->rx_small.info);
+        kfree(ss->rx_small.info);
 abort_with_tx_info:
-        kfree(mgp->tx.info);
+        kfree(ss->tx.info);
 abort_with_rx_big_shadow:
-        kfree(mgp->rx_big.shadow);
+        kfree(ss->rx_big.shadow);
 abort_with_rx_small_shadow:
-        kfree(mgp->rx_small.shadow);
+        kfree(ss->rx_small.shadow);
 abort_with_tx_req_bytes:
-        kfree(mgp->tx.req_bytes);
+        kfree(ss->tx.req_bytes);
-        mgp->tx.req_bytes = NULL;
+        ss->tx.req_bytes = NULL;
-        mgp->tx.req_list = NULL;
+        ss->tx.req_list = NULL;
 abort_with_nothing:
        return status;
 }
-static void myri10ge_free_rings(struct net_device *dev)
+static void myri10ge_free_rings(struct myri10ge_slice_state *ss)
 {
-        struct myri10ge_priv *mgp;
+        struct myri10ge_priv *mgp = ss->mgp;
        struct sk_buff *skb;
        struct myri10ge_tx_buf *tx;
        int i, len, idx;
-        mgp = netdev_priv(dev);
+        for (i = ss->rx_big.cnt; i < ss->rx_big.fill_cnt; i++) {
+                idx = i & ss->rx_big.mask;
-        for (i = mgp->rx_big.cnt; i < mgp->rx_big.fill_cnt; i++) {
+                if (i == ss->rx_big.fill_cnt - 1)
-                idx = i & mgp->rx_big.mask;
+                        ss->rx_big.info[idx].page_offset = MYRI10GE_ALLOC_SIZE;
-                if (i == mgp->rx_big.fill_cnt - 1)
+                myri10ge_unmap_rx_page(mgp->pdev, &ss->rx_big.info[idx],
-                        mgp->rx_big.info[idx].page_offset = MYRI10GE_ALLOC_SIZE;
-                myri10ge_unmap_rx_page(mgp->pdev, &mgp->rx_big.info[idx],
                                       mgp->big_bytes);
-                put_page(mgp->rx_big.info[idx].page);
+                put_page(ss->rx_big.info[idx].page);
        }
-        for (i = mgp->rx_small.cnt; i < mgp->rx_small.fill_cnt; i++) {
+        for (i = ss->rx_small.cnt; i < ss->rx_small.fill_cnt; i++) {
-                idx = i & mgp->rx_small.mask;
+                idx = i & ss->rx_small.mask;
-                if (i == mgp->rx_small.fill_cnt - 1)
+                if (i == ss->rx_small.fill_cnt - 1)
-                        mgp->rx_small.info[idx].page_offset =
+                        ss->rx_small.info[idx].page_offset =
                            MYRI10GE_ALLOC_SIZE;
-                myri10ge_unmap_rx_page(mgp->pdev, &mgp->rx_small.info[idx],
+                myri10ge_unmap_rx_page(mgp->pdev, &ss->rx_small.info[idx],
                                       mgp->small_bytes + MXGEFW_PAD);
-                put_page(mgp->rx_small.info[idx].page);
+                put_page(ss->rx_small.info[idx].page);
        }
-        tx = &mgp->tx;
+        tx = &ss->tx;
        while (tx->done != tx->req) {
                idx = tx->done & tx->mask;
                skb = tx->info[idx].skb;
@@ -1714,7 +1804,7 @@ static void myri10ge_free_rings(struct net_device *dev)
                len = pci_unmap_len(&tx->info[idx], len);
                pci_unmap_len_set(&tx->info[idx], len, 0);
                if (skb) {
-                        mgp->stats.tx_dropped++;
+                        ss->stats.tx_dropped++;
                        dev_kfree_skb_any(skb);
                        if (len)
                                pci_unmap_single(mgp->pdev,
@@ -1729,19 +1819,19 @@ static void myri10ge_free_rings(struct net_device *dev)
                                               PCI_DMA_TODEVICE);
                }
        }
-        kfree(mgp->rx_big.info);
+        kfree(ss->rx_big.info);
-        kfree(mgp->rx_small.info);
+        kfree(ss->rx_small.info);
-        kfree(mgp->tx.info);
+        kfree(ss->tx.info);
-        kfree(mgp->rx_big.shadow);
+        kfree(ss->rx_big.shadow);
-        kfree(mgp->rx_small.shadow);
+        kfree(ss->rx_small.shadow);
-        kfree(mgp->tx.req_bytes);
+        kfree(ss->tx.req_bytes);
-        mgp->tx.req_bytes = NULL;
+        ss->tx.req_bytes = NULL;
-        mgp->tx.req_list = NULL;
+        ss->tx.req_list = NULL;
 }
 static int myri10ge_request_irq(struct myri10ge_priv *mgp)
@@ -1840,13 +1930,11 @@ myri10ge_get_frag_header(struct skb_frag_struct *frag, void **mac_hdr,
 static int myri10ge_open(struct net_device *dev)
 {
-        struct myri10ge_priv *mgp;
+        struct myri10ge_priv *mgp = netdev_priv(dev);
        struct myri10ge_cmd cmd;
        struct net_lro_mgr *lro_mgr;
        int status, big_pow2;
-        mgp = netdev_priv(dev);
        if (mgp->running != MYRI10GE_ETH_STOPPED)
                return -EBUSY;
@@ -1883,16 +1971,16 @@ static int myri10ge_open(struct net_device *dev)
        /* get the lanai pointers to the send and receive rings */
        status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SEND_OFFSET, &cmd, 0);
-        mgp->tx.lanai =
+        mgp->ss.tx.lanai =
            (struct mcp_kreq_ether_send __iomem *)(mgp->sram + cmd.data0);
        status |=
            myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SMALL_RX_OFFSET, &cmd, 0);
-        mgp->rx_small.lanai =
+        mgp->ss.rx_small.lanai =
            (struct mcp_kreq_ether_recv __iomem *)(mgp->sram + cmd.data0);
        status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_BIG_RX_OFFSET, &cmd, 0);
-        mgp->rx_big.lanai =
+        mgp->ss.rx_big.lanai =
            (struct mcp_kreq_ether_recv __iomem *)(mgp->sram + cmd.data0);
        if (status != 0) {
@@ -1904,15 +1992,15 @@ static int myri10ge_open(struct net_device *dev)
        }
        if (myri10ge_wcfifo && mgp->wc_enabled) {
-                mgp->tx.wc_fifo = (u8 __iomem *) mgp->sram + MXGEFW_ETH_SEND_4;
+                mgp->ss.tx.wc_fifo = (u8 __iomem *) mgp->sram + MXGEFW_ETH_SEND_4;
-                mgp->rx_small.wc_fifo =
+                mgp->ss.rx_small.wc_fifo =
                    (u8 __iomem *) mgp->sram + MXGEFW_ETH_RECV_SMALL;
-                mgp->rx_big.wc_fifo =
+                mgp->ss.rx_big.wc_fifo =
                    (u8 __iomem *) mgp->sram + MXGEFW_ETH_RECV_BIG;
        } else {
-                mgp->tx.wc_fifo = NULL;
+                mgp->ss.tx.wc_fifo = NULL;
-                mgp->rx_small.wc_fifo = NULL;
+                mgp->ss.rx_small.wc_fifo = NULL;
-                mgp->rx_big.wc_fifo = NULL;
+                mgp->ss.rx_big.wc_fifo = NULL;
        }
        /* Firmware needs the big buff size as a power of 2.  Lie and
@@ -1929,7 +2017,7 @@ static int myri10ge_open(struct net_device *dev)
                mgp->big_bytes = big_pow2;
        }
-        status = myri10ge_allocate_rings(dev);
+        status = myri10ge_allocate_rings(&mgp->ss);
        if (status != 0)
                goto abort_with_irq;
@@ -1948,12 +2036,12 @@ static int myri10ge_open(struct net_device *dev)
                goto abort_with_rings;
        }
-        cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->fw_stats_bus);
+        cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->ss.fw_stats_bus);
-        cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->fw_stats_bus);
+        cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->ss.fw_stats_bus);
        cmd.data2 = sizeof(struct mcp_irq_data);
        status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_STATS_DMA_V2, &cmd, 0);
        if (status == -ENOSYS) {
-                dma_addr_t bus = mgp->fw_stats_bus;
+                dma_addr_t bus = mgp->ss.fw_stats_bus;
                bus += offsetof(struct mcp_irq_data, send_done_count);
                cmd.data0 = MYRI10GE_LOWPART_TO_U32(bus);
                cmd.data1 = MYRI10GE_HIGHPART_TO_U32(bus);
@@ -1974,20 +2062,20 @@ static int myri10ge_open(struct net_device *dev)
        mgp->link_state = ~0U;
        mgp->rdma_tags_available = 15;
-        lro_mgr = &mgp->rx_done.lro_mgr;
+        lro_mgr = &mgp->ss.rx_done.lro_mgr;
        lro_mgr->dev = dev;
        lro_mgr->features = LRO_F_NAPI;
        lro_mgr->ip_summed = CHECKSUM_COMPLETE;
        lro_mgr->ip_summed_aggr = CHECKSUM_UNNECESSARY;
        lro_mgr->max_desc = MYRI10GE_MAX_LRO_DESCRIPTORS;
-        lro_mgr->lro_arr = mgp->rx_done.lro_desc;
+        lro_mgr->lro_arr = mgp->ss.rx_done.lro_desc;
        lro_mgr->get_frag_header = myri10ge_get_frag_header;
        lro_mgr->max_aggr = myri10ge_lro_max_pkts;
        lro_mgr->frag_align_pad = 2;
        if (lro_mgr->max_aggr > MAX_SKB_FRAGS)
                lro_mgr->max_aggr = MAX_SKB_FRAGS;
-        napi_enable(&mgp->napi);        /* must happen prior to any irq */
+        napi_enable(&mgp->ss.napi);     /* must happen prior to any irq */
        status = myri10ge_send_cmd(mgp, MXGEFW_CMD_ETHERNET_UP, &cmd, 0);
        if (status) {
@@ -1996,8 +2084,8 @@ static int myri10ge_open(struct net_device *dev)
                goto abort_with_rings;
        }
-        mgp->wake_queue = 0;
+        mgp->ss.tx.wake_queue = 0;
-        mgp->stop_queue = 0;
+        mgp->ss.tx.stop_queue = 0;
        mgp->running = MYRI10GE_ETH_RUNNING;
        mgp->watchdog_timer.expires = jiffies + myri10ge_watchdog_timeout * HZ;
        add_timer(&mgp->watchdog_timer);
@@ -2005,7 +2093,7 @@ static int myri10ge_open(struct net_device *dev)
        return 0;
 abort_with_rings:
-        myri10ge_free_rings(dev);
+        myri10ge_free_rings(&mgp->ss);
 abort_with_irq:
        myri10ge_free_irq(mgp);
@@ -2017,21 +2105,19 @@ abort_with_nothing:
 static int myri10ge_close(struct net_device *dev)
 {
-        struct myri10ge_priv *mgp;
+        struct myri10ge_priv *mgp = netdev_priv(dev);
        struct myri10ge_cmd cmd;
        int status, old_down_cnt;
-        mgp = netdev_priv(dev);
        if (mgp->running != MYRI10GE_ETH_RUNNING)
                return 0;
-        if (mgp->tx.req_bytes == NULL)
+        if (mgp->ss.tx.req_bytes == NULL)
                return 0;
        del_timer_sync(&mgp->watchdog_timer);
        mgp->running = MYRI10GE_ETH_STOPPING;
-        napi_disable(&mgp->napi);
+        napi_disable(&mgp->ss.napi);
        netif_carrier_off(dev);
        netif_stop_queue(dev);
        old_down_cnt = mgp->down_cnt;
@@ -2047,7 +2133,7 @@ static int myri10ge_close(struct net_device *dev)
        netif_tx_disable(dev);
        myri10ge_free_irq(mgp);
-        myri10ge_free_rings(dev);
+        myri10ge_free_rings(&mgp->ss);
        mgp->running = MYRI10GE_ETH_STOPPED;
        return 0;
@@ -2143,7 +2229,7 @@ myri10ge_submit_req_wc(struct myri10ge_tx_buf *tx,
 /*
 * Transmit a packet.  We need to split the packet so that a single
- * segment does not cross myri10ge->tx.boundary, so this makes segment
+ * segment does not cross myri10ge->tx_boundary, so this makes segment
 * counting tricky.  So rather than try to count segments up front, we
 * just give up if there are too few segments to hold a reasonably
 * fragmented packet currently available.  If we run
@@ -2154,8 +2240,9 @@ myri10ge_submit_req_wc(struct myri10ge_tx_buf *tx,
 static int myri10ge_xmit(struct sk_buff *skb, struct net_device *dev)
 {
        struct myri10ge_priv *mgp = netdev_priv(dev);
+        struct myri10ge_slice_state *ss;
        struct mcp_kreq_ether_send *req;
-        struct myri10ge_tx_buf *tx = &mgp->tx;
+        struct myri10ge_tx_buf *tx;
        struct skb_frag_struct *frag;
        dma_addr_t bus;
        u32 low;
@@ -2166,6 +2253,9 @@ static int myri10ge_xmit(struct sk_buff *skb, struct net_device *dev)
        int cum_len, seglen, boundary, rdma_count;
        u8 flags, odd_flag;
+        /* always transmit through slot 0 */
+        ss = &mgp->ss;
+        tx = &ss->tx;
 again:
        req = tx->req_list;
        avail = tx->mask - 1 - (tx->req - tx->done);
@@ -2180,7 +2270,7 @@ again:
        if ((unlikely(avail < max_segments))) {
                /* we are out of transmit resources */
-                mgp->stop_queue++;
+                tx->stop_queue++;
                netif_stop_queue(dev);
                return 1;
        }
@@ -2242,7 +2332,7 @@ again:
                        if (skb_padto(skb, ETH_ZLEN)) {
                                /* The packet is gone, so we must
                                 * return 0 */
-                                mgp->stats.tx_dropped += 1;
+                                ss->stats.tx_dropped += 1;
                                return 0;
                        }
                        /* adjust the len to account for the zero pad
@@ -2284,7 +2374,7 @@ again:
        while (1) {
                /* Break the SKB or Fragment up into pieces which
-                 * do not cross mgp->tx.boundary */
+                 * do not cross mgp->tx_boundary */
                low = MYRI10GE_LOWPART_TO_U32(bus);
                high_swapped = htonl(MYRI10GE_HIGHPART_TO_U32(bus));
                while (len) {
@@ -2294,7 +2384,8 @@ again:
                        if (unlikely(count == max_segments))
                                goto abort_linearize;
-                        boundary = (low + tx->boundary) & ~(tx->boundary - 1);
+                        boundary =
+                            (low + mgp->tx_boundary) & ~(mgp->tx_boundary - 1);
                        seglen = boundary - low;
                        if (seglen > len)
                                seglen = len;
@@ -2378,7 +2469,7 @@ again:
                myri10ge_submit_req_wc(tx, tx->req_list, count);
        tx->pkt_start++;
        if ((avail - count) < MXGEFW_MAX_SEND_DESC) {
-                mgp->stop_queue++;
+                tx->stop_queue++;
                netif_stop_queue(dev);
        }
        dev->trans_start = jiffies;
@@ -2420,12 +2511,12 @@ abort_linearize:
        if (skb_linearize(skb))
                goto drop;
-        mgp->tx_linearized++;
+        tx->linearized++;
        goto again;
 drop:
        dev_kfree_skb_any(skb);
-        mgp->stats.tx_dropped += 1;
+        ss->stats.tx_dropped += 1;
        return 0;
 }
@@ -2433,7 +2524,7 @@ drop:
 static int myri10ge_sw_tso(struct sk_buff *skb, struct net_device *dev)
 {
        struct sk_buff *segs, *curr;
-        struct myri10ge_priv *mgp = dev->priv;
+        struct myri10ge_priv *mgp = netdev_priv(dev);
        int status;
        segs = skb_gso_segment(skb, dev->features & ~NETIF_F_TSO6);
@@ -2473,14 +2564,13 @@ static struct net_device_stats *myri10ge_get_stats(struct net_device *dev)
 static void myri10ge_set_multicast_list(struct net_device *dev)
 {
+        struct myri10ge_priv *mgp = netdev_priv(dev);
        struct myri10ge_cmd cmd;
-        struct myri10ge_priv *mgp;
        struct dev_mc_list *mc_list;
        __be32 data[2] = { 0, 0 };
        int err;
        DECLARE_MAC_BUF(mac);
-        mgp = netdev_priv(dev);
        /* can be called from atomic contexts,
         * pass 1 to force atomicity in myri10ge_send_cmd() */
        myri10ge_change_promisc(mgp, dev->flags & IFF_PROMISC, 1);
@@ -2616,13 +2706,14 @@ static void myri10ge_enable_ecrc(struct myri10ge_priv *mgp)
        ext_type = (val & PCI_EXP_FLAGS_TYPE) >> 4;
        if (ext_type != PCI_EXP_TYPE_ROOT_PORT) {
                if (myri10ge_ecrc_enable > 1) {
-                        struct pci_dev *old_bridge = bridge;
+                        struct pci_dev *prev_bridge, *old_bridge = bridge;
                        /* Walk the hierarchy up to the root port
                         * where ECRC has to be enabled */
                        do {
+                                prev_bridge = bridge;
                                bridge = bridge->bus->self;
-                                if (!bridge) {
+                                if (!bridge || prev_bridge == bridge) {
                                        dev_err(dev,
                                                "Failed to find root port"
                                                " to force ECRC\n");
@@ -2681,9 +2772,9 @@ static void myri10ge_enable_ecrc(struct myri10ge_priv *mgp)
 * already been enabled, then it must use a firmware image which works
 * around unaligned completion packets (myri10ge_ethp_z8e.dat), and it
 * should also ensure that it never gives the device a Read-DMA which is
- * larger than 2KB by setting the tx.boundary to 2KB.  If ECRC is
+ * larger than 2KB by setting the tx_boundary to 2KB.  If ECRC is
 * enabled, then the driver should use the aligned (myri10ge_eth_z8e.dat)
- * firmware image, and set tx.boundary to 4KB.
+ * firmware image, and set tx_boundary to 4KB.
 */
 static void myri10ge_firmware_probe(struct myri10ge_priv *mgp)
@@ -2692,7 +2783,7 @@ static void myri10ge_firmware_probe(struct myri10ge_priv *mgp)
        struct device *dev = &pdev->dev;
        int status;
-        mgp->tx.boundary = 4096;
+        mgp->tx_boundary = 4096;
        /*
         * Verify the max read request size was set to 4KB
         * before trying the test with 4KB.
@@ -2704,7 +2795,7 @@ static void myri10ge_firmware_probe(struct myri10ge_priv *mgp)
        }
        if (status != 4096) {
                dev_warn(dev, "Max Read Request size != 4096 (%d)\n", status);
-                mgp->tx.boundary = 2048;
+                mgp->tx_boundary = 2048;
        }
        /*
         * load the optimized firmware (which assumes aligned PCIe
@@ -2737,7 +2828,7 @@ static void myri10ge_firmware_probe(struct myri10ge_priv *mgp)
                         "Please install up to date fw\n");
 abort:
        /* fall back to using the unaligned firmware */
-        mgp->tx.boundary = 2048;
+        mgp->tx_boundary = 2048;
        mgp->fw_name = myri10ge_fw_unaligned;
 }
@@ -2758,7 +2849,7 @@ static void myri10ge_select_firmware(struct myri10ge_priv *mgp)
                if (link_width < 8) {
                        dev_info(&mgp->pdev->dev, "PCIE x%d Link\n",
                                 link_width);
-                        mgp->tx.boundary = 4096;
+                        mgp->tx_boundary = 4096;
                        mgp->fw_name = myri10ge_fw_aligned;
                } else {
                        myri10ge_firmware_probe(mgp);
@@ -2767,12 +2858,12 @@ static void myri10ge_select_firmware(struct myri10ge_priv *mgp)
                if (myri10ge_force_firmware == 1) {
                        dev_info(&mgp->pdev->dev,
                                 "Assuming aligned completions (forced)\n");
-                        mgp->tx.boundary = 4096;
+                        mgp->tx_boundary = 4096;
                        mgp->fw_name = myri10ge_fw_aligned;
                } else {
                        dev_info(&mgp->pdev->dev,
                                 "Assuming unaligned completions (forced)\n");
-                        mgp->tx.boundary = 2048;
+                        mgp->tx_boundary = 2048;
                        mgp->fw_name = myri10ge_fw_unaligned;
                }
        }
@@ -2889,6 +2980,7 @@ static void myri10ge_watchdog(struct work_struct *work)
 {
        struct myri10ge_priv *mgp =
            container_of(work, struct myri10ge_priv, watchdog_work);
+        struct myri10ge_tx_buf *tx;
        u32 reboot;
        int status;
        u16 cmd, vendor;
@@ -2938,15 +3030,16 @@ static void myri10ge_watchdog(struct work_struct *work)
                printk(KERN_ERR "myri10ge: %s: device timeout, resetting\n",
                       mgp->dev->name);
+                tx = &mgp->ss.tx;
                printk(KERN_INFO "myri10ge: %s: %d %d %d %d %d\n",
-                       mgp->dev->name, mgp->tx.req, mgp->tx.done,
+                       mgp->dev->name, tx->req, tx->done,
-                       mgp->tx.pkt_start, mgp->tx.pkt_done,
+                       tx->pkt_start, tx->pkt_done,
-                       (int)ntohl(mgp->fw_stats->send_done_count));
+                       (int)ntohl(mgp->ss.fw_stats->send_done_count));
                msleep(2000);
                printk(KERN_INFO "myri10ge: %s: %d %d %d %d %d\n",
-                       mgp->dev->name, mgp->tx.req, mgp->tx.done,
+                       mgp->dev->name, tx->req, tx->done,
-                       mgp->tx.pkt_start, mgp->tx.pkt_done,
+                       tx->pkt_start, tx->pkt_done,
-                       (int)ntohl(mgp->fw_stats->send_done_count));
+                       (int)ntohl(mgp->ss.fw_stats->send_done_count));
        }
        rtnl_lock();
        myri10ge_close(mgp->dev);
@@ -2969,28 +3062,31 @@ static void myri10ge_watchdog(struct work_struct *work)
 static void myri10ge_watchdog_timer(unsigned long arg)
 {
        struct myri10ge_priv *mgp;
+        struct myri10ge_slice_state *ss;
        u32 rx_pause_cnt;
        mgp = (struct myri10ge_priv *)arg;
-        if (mgp->rx_small.watchdog_needed) {
+        rx_pause_cnt = ntohl(mgp->ss.fw_stats->dropped_pause);
-                myri10ge_alloc_rx_pages(mgp, &mgp->rx_small,
+        ss = &mgp->ss;
+        if (ss->rx_small.watchdog_needed) {
+                myri10ge_alloc_rx_pages(mgp, &ss->rx_small,
                                        mgp->small_bytes + MXGEFW_PAD, 1);
-                if (mgp->rx_small.fill_cnt - mgp->rx_small.cnt >=
+                if (ss->rx_small.fill_cnt - ss->rx_small.cnt >=
                    myri10ge_fill_thresh)
-                        mgp->rx_small.watchdog_needed = 0;
+                        ss->rx_small.watchdog_needed = 0;
        }
-        if (mgp->rx_big.watchdog_needed) {
+        if (ss->rx_big.watchdog_needed) {
-                myri10ge_alloc_rx_pages(mgp, &mgp->rx_big, mgp->big_bytes, 1);
+                myri10ge_alloc_rx_pages(mgp, &ss->rx_big, mgp->big_bytes, 1);
-                if (mgp->rx_big.fill_cnt - mgp->rx_big.cnt >=
+                if (ss->rx_big.fill_cnt - ss->rx_big.cnt >=
                    myri10ge_fill_thresh)
-                        mgp->rx_big.watchdog_needed = 0;
+                        ss->rx_big.watchdog_needed = 0;
        }
-        rx_pause_cnt = ntohl(mgp->fw_stats->dropped_pause);
-        if (mgp->tx.req != mgp->tx.done &&
+        if (ss->tx.req != ss->tx.done &&
-            mgp->tx.done == mgp->watchdog_tx_done &&
+            ss->tx.done == ss->watchdog_tx_done &&
-            mgp->watchdog_tx_req != mgp->watchdog_tx_done) {
+            ss->watchdog_tx_req != ss->watchdog_tx_done) {
                /* nic seems like it might be stuck.. */
                if (rx_pause_cnt != mgp->watchdog_pause) {
                        if (net_ratelimit())
@@ -3005,8 +3101,8 @@ static void myri10ge_watchdog_timer(unsigned long arg)
        /* rearm timer */
        mod_timer(&mgp->watchdog_timer,
                  jiffies + myri10ge_watchdog_timeout * HZ);
-        mgp->watchdog_tx_done = mgp->tx.done;
+        ss->watchdog_tx_done = ss->tx.done;
-        mgp->watchdog_tx_req = mgp->tx.req;
+        ss->watchdog_tx_req = ss->tx.req;
        mgp->watchdog_pause = rx_pause_cnt;
 }
@@ -3030,7 +3126,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        mgp = netdev_priv(netdev);
        mgp->dev = netdev;
-        netif_napi_add(netdev, &mgp->napi, myri10ge_poll, myri10ge_napi_weight);
+        netif_napi_add(netdev, &mgp->ss.napi, myri10ge_poll, myri10ge_napi_weight);
        mgp->pdev = pdev;
        mgp->csum_flag = MXGEFW_FLAGS_CKSUM;
        mgp->pause = myri10ge_flow_control;
@@ -3076,9 +3172,9 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        if (mgp->cmd == NULL)
                goto abort_with_netdev;
-        mgp->fw_stats = dma_alloc_coherent(&pdev->dev, sizeof(*mgp->fw_stats),
+        mgp->ss.fw_stats = dma_alloc_coherent(&pdev->dev, sizeof(*mgp->ss.fw_stats),
-                                           &mgp->fw_stats_bus, GFP_KERNEL);
+                                           &mgp->ss.fw_stats_bus, GFP_KERNEL);
-        if (mgp->fw_stats == NULL)
+        if (mgp->ss.fw_stats == NULL)
                goto abort_with_cmd;
        mgp->board_span = pci_resource_len(pdev, 0);
@@ -3118,12 +3214,12 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                netdev->dev_addr[i] = mgp->mac_addr[i];
        /* allocate rx done ring */
-        bytes = myri10ge_max_intr_slots * sizeof(*mgp->rx_done.entry);
+        bytes = mgp->max_intr_slots * sizeof(*mgp->ss.rx_done.entry);
-        mgp->rx_done.entry = dma_alloc_coherent(&pdev->dev, bytes,
+        mgp->ss.rx_done.entry = dma_alloc_coherent(&pdev->dev, bytes,
-                                                &mgp->rx_done.bus, GFP_KERNEL);
+                                                &mgp->ss.rx_done.bus, GFP_KERNEL);
-        if (mgp->rx_done.entry == NULL)
+        if (mgp->ss.rx_done.entry == NULL)
                goto abort_with_ioremap;
-        memset(mgp->rx_done.entry, 0, bytes);
+        memset(mgp->ss.rx_done.entry, 0, bytes);
        myri10ge_select_firmware(mgp);
@@ -3183,7 +3279,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        }
        dev_info(dev, "%s IRQ %d, tx bndry %d, fw %s, WC %s\n",
                 (mgp->msi_enabled ? "MSI" : "xPIC"),
-                 netdev->irq, mgp->tx.boundary, mgp->fw_name,
+                 netdev->irq, mgp->tx_boundary, mgp->fw_name,
                 (mgp->wc_enabled ? "Enabled" : "Disabled"));
        return 0;
@@ -3195,9 +3291,9 @@ abort_with_firmware:
        myri10ge_dummy_rdma(mgp, 0);
 abort_with_rx_done:
-        bytes = myri10ge_max_intr_slots * sizeof(*mgp->rx_done.entry);
+        bytes = mgp->max_intr_slots * sizeof(*mgp->ss.rx_done.entry);
        dma_free_coherent(&pdev->dev, bytes,
-                          mgp->rx_done.entry, mgp->rx_done.bus);
+                          mgp->ss.rx_done.entry, mgp->ss.rx_done.bus);
 abort_with_ioremap:
        iounmap(mgp->sram);
@@ -3207,8 +3303,8 @@ abort_with_wc:
        if (mgp->mtrr >= 0)
                mtrr_del(mgp->mtrr, mgp->iomem_base, mgp->board_span);
 #endif
-        dma_free_coherent(&pdev->dev, sizeof(*mgp->fw_stats),
+        dma_free_coherent(&pdev->dev, sizeof(*mgp->ss.fw_stats),
-                          mgp->fw_stats, mgp->fw_stats_bus);
+                          mgp->ss.fw_stats, mgp->ss.fw_stats_bus);
 abort_with_cmd:
        dma_free_coherent(&pdev->dev, sizeof(*mgp->cmd),
@@ -3246,9 +3342,9 @@ static void myri10ge_remove(struct pci_dev *pdev)
        /* avoid a memory leak */
        pci_restore_state(pdev);
-        bytes = myri10ge_max_intr_slots * sizeof(*mgp->rx_done.entry);
+        bytes = mgp->max_intr_slots * sizeof(*mgp->ss.rx_done.entry);
        dma_free_coherent(&pdev->dev, bytes,
-                          mgp->rx_done.entry, mgp->rx_done.bus);
+                          mgp->ss.rx_done.entry, mgp->ss.rx_done.bus);
        iounmap(mgp->sram);
@@ -3256,8 +3352,8 @@ static void myri10ge_remove(struct pci_dev *pdev)
        if (mgp->mtrr >= 0)
                mtrr_del(mgp->mtrr, mgp->iomem_base, mgp->board_span);
 #endif
-        dma_free_coherent(&pdev->dev, sizeof(*mgp->fw_stats),
+        dma_free_coherent(&pdev->dev, sizeof(*mgp->ss.fw_stats),
-                          mgp->fw_stats, mgp->fw_stats_bus);
+                          mgp->ss.fw_stats, mgp->ss.fw_stats_bus);
        dma_free_coherent(&pdev->dev, sizeof(*mgp->cmd),
                          mgp->cmd, mgp->cmd_bus);
diff --git a/drivers/net/myri10ge/myri10ge_mcp.h b/drivers/net/myri10ge/myri10ge_mcp.h
index 58e57178c563..fdbeeee07372 100644
--- a/drivers/net/myri10ge/myri10ge_mcp.h
+++ b/drivers/net/myri10ge/myri10ge_mcp.h
@@ -10,7 +10,7 @@ struct mcp_dma_addr {
        __be32 low;
 };
-/* 4 Bytes.  8 Bytes for NDIS drivers. */
+/* 4 Bytes */
 struct mcp_slot {
        __sum16 checksum;
        __be16 length;
@@ -144,6 +144,7 @@ enum myri10ge_mcp_cmd_type {
         * a power of 2 number of entries.  */
        MXGEFW_CMD_SET_INTRQ_SIZE,      /* in bytes */
+#define MXGEFW_CMD_SET_INTRQ_SIZE_FLAG_NO_STRICT_SIZE_CHECK  (1 << 31)
        /* command to bring ethernet interface up.  Above parameters
         * (plus mtu & mac address) must have been exchanged prior
@@ -221,10 +222,14 @@ enum myri10ge_mcp_cmd_type {
        MXGEFW_CMD_GET_MAX_RSS_QUEUES,
        MXGEFW_CMD_ENABLE_RSS_QUEUES,
        /* data0 = number of slices n (0, 1, ..., n-1) to enable
-         * data1 = interrupt mode. 0=share one INTx/MSI, 1=use one MSI-X per queue.
+         * data1 = interrupt mode.
+         * 0=share one INTx/MSI, 1=use one MSI-X per queue.
         * If all queues share one interrupt, the driver must have set
         * RSS_SHARED_INTERRUPT_DMA before enabling queues.
         */
+#define MXGEFW_SLICE_INTR_MODE_SHARED 0
+#define MXGEFW_SLICE_INTR_MODE_ONE_PER_SLICE 1
        MXGEFW_CMD_GET_RSS_SHARED_INTERRUPT_MASK_OFFSET,
        MXGEFW_CMD_SET_RSS_SHARED_INTERRUPT_DMA,
        /* data0, data1 = bus address lsw, msw */
@@ -241,10 +246,14 @@ enum myri10ge_mcp_cmd_type {
         * 0: disable rss.  nic does not distribute receive packets.
         * 1: enable rss.  nic distributes receive packets among queues.
         * data1 = hash type
-         * 1: IPV4
+         * 1: IPV4            (required by RSS)
-         * 2: TCP_IPV4
+         * 2: TCP_IPV4        (required by RSS)
-         * 3: IPV4 | TCP_IPV4
+         * 3: IPV4 | TCP_IPV4 (required by RSS)
+         * 4: source port
         */
+#define MXGEFW_RSS_HASH_TYPE_IPV4      0x1
+#define MXGEFW_RSS_HASH_TYPE_TCP_IPV4  0x2
+#define MXGEFW_RSS_HASH_TYPE_SRC_PORT  0x4
        MXGEFW_CMD_GET_MAX_TSO6_HDR_SIZE,
        /* Return data = the max. size of the entire headers of a IPv6 TSO packet.
@@ -260,6 +269,8 @@ enum myri10ge_mcp_cmd_type {
         * 0: Linux/FreeBSD style (NIC default)
         * 1: NDIS/NetBSD style
         */
+#define MXGEFW_TSO_MODE_LINUX  0
+#define MXGEFW_TSO_MODE_NDIS   1
        MXGEFW_CMD_MDIO_READ,
        /* data0 = dev_addr (PMA/PMD or PCS ...), data1 = register/addr */
@@ -286,6 +297,38 @@ enum myri10ge_mcp_cmd_type {
        /* Return data = NIC memory offset of mcp_vpump_public_global */
        MXGEFW_CMD_RESET_VPUMP,
        /* Resets the VPUMP state */
+        MXGEFW_CMD_SET_RSS_MCP_SLOT_TYPE,
+        /* data0 = mcp_slot type to use.
+         * 0 = the default 4B mcp_slot
+         * 1 = 8B mcp_slot_8
+         */
+#define MXGEFW_RSS_MCP_SLOT_TYPE_MIN        0
+#define MXGEFW_RSS_MCP_SLOT_TYPE_WITH_HASH  1
+        MXGEFW_CMD_SET_THROTTLE_FACTOR,
+        /* set the throttle factor for ethp_z8e
+         * data0 = throttle_factor
+         * throttle_factor = 256 * pcie-raw-speed / tx_speed
+         * tx_speed = 256 * pcie-raw-speed / throttle_factor
+         *
+         * For PCI-E x8: pcie-raw-speed == 16Gb/s
+         * For PCI-E x4: pcie-raw-speed == 8Gb/s
+         *
+         * ex1: throttle_factor == 0x1a0 (416), tx_speed == 1.23GB/s == 9.846 Gb/s
+         * ex2: throttle_factor == 0x200 (512), tx_speed == 1.0GB/s == 8 Gb/s
+         *
+         * with tx_boundary == 2048, max-throttle-factor == 8191 => min-speed == 500Mb/s
+         * with tx_boundary == 4096, max-throttle-factor == 4095 => min-speed == 1Gb/s
+         */
+        MXGEFW_CMD_VPUMP_UP,
+        /* Allocates VPump Connection, Send Request and Zero copy buffer address tables */
+        MXGEFW_CMD_GET_VPUMP_CLK,
+        /* Get the lanai clock */
+        MXGEFW_CMD_GET_DCA_OFFSET,
+        /* offset of dca control for WDMAs */
 };
 enum myri10ge_mcp_cmd_status {
@@ -302,7 +345,8 @@ enum myri10ge_mcp_cmd_status {
        MXGEFW_CMD_ERROR_UNALIGNED,
        MXGEFW_CMD_ERROR_NO_MDIO,
        MXGEFW_CMD_ERROR_XFP_FAILURE,
-        MXGEFW_CMD_ERROR_XFP_ABSENT
+        MXGEFW_CMD_ERROR_XFP_ABSENT,
+        MXGEFW_CMD_ERROR_BAD_PCIE_LINK
 };
 #define MXGEFW_OLD_IRQ_DATA_LEN 40
diff --git a/drivers/net/myri10ge/myri10ge_mcp_gen_header.h b/drivers/net/myri10ge/myri10ge_mcp_gen_header.h
index 16a810dd6d51..07d65c2cbb24 100644
--- a/drivers/net/myri10ge/myri10ge_mcp_gen_header.h
+++ b/drivers/net/myri10ge/myri10ge_mcp_gen_header.h
@@ -1,30 +1,6 @@
 #ifndef __MYRI10GE_MCP_GEN_HEADER_H__
 #define __MYRI10GE_MCP_GEN_HEADER_H__
-/* this file define a standard header used as a first entry point to
- * exchange information between firmware/driver and driver.  The
- * header structure can be anywhere in the mcp. It will usually be in
- * the .data section, because some fields needs to be initialized at
- * compile time.
- * The 32bit word at offset MX_HEADER_PTR_OFFSET in the mcp must
- * contains the location of the header.
- *
- * Typically a MCP will start with the following:
- * .text
- * .space 52    ! to help catch MEMORY_INT errors
- * bt start     ! jump to real code
- * nop
- * .long _gen_mcp_header
- *
- * The source will have a definition like:
- *
- * mcp_gen_header_t gen_mcp_header = {
- * .header_length = sizeof(mcp_gen_header_t),
- * .mcp_type = MCP_TYPE_XXX,
- * .version = "something $Id: mcp_gen_header.h,v 1.2 2006/05/13 10:04:35 bgoglin Exp $",
- * .mcp_globals = (unsigned)&Globals
- * };
- */
 #define MCP_HEADER_PTR_OFFSET  0x3c
@@ -32,13 +8,14 @@
 #define MCP_TYPE_PCIE 0x70636965        /* "PCIE" pcie-only MCP */
 #define MCP_TYPE_ETH 0x45544820 /* "ETH " */
 #define MCP_TYPE_MCP0 0x4d435030        /* "MCP0" */
+#define MCP_TYPE_DFLT 0x20202020        /* "    " */
 struct mcp_gen_header {
        /* the first 4 fields are filled at compile time */
        unsigned header_length;
        __be32 mcp_type;
        char version[128];
-        unsigned mcp_globals;   /* pointer to mcp-type specific structure */
+        unsigned mcp_private;   /* pointer to mcp-type specific structure */
        /* filled by the MCP at run-time */
        unsigned sram_size;
@@ -53,6 +30,18 @@ struct mcp_gen_header {
         *
         * Never remove any field.  Keep everything naturally align.
         */
+        /* Specifies if the running mcp is mcp0, 1, or 2. */
+        unsigned char mcp_index;
+        unsigned char disable_rabbit;
+        unsigned char unaligned_tlp;
+        unsigned char pad1;
+        unsigned counters_addr;
+        unsigned copy_block_info;       /* for small mcps loaded with "lload -d" */
+        unsigned short handoff_id_major;        /* must be equal */
+        unsigned short handoff_id_caps; /* bitfield: new mcp must have superset */
+        unsigned msix_table_addr;       /* start address of msix table in firmware */
+        /* 8 */
 };
 #endif                          /* __MYRI10GE_MCP_GEN_HEADER_H__ */
diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index 57cfd72ffdf7..918f802fe089 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -865,7 +865,6 @@ static int link_status_1g_serdes(struct niu *np, int *link_up_p)
        return 0;
 }
 static int link_status_10g_serdes(struct niu *np, int *link_up_p)
 {
        unsigned long flags;
@@ -900,7 +899,6 @@ static int link_status_10g_serdes(struct niu *np, int *link_up_p)
        return 0;
 }
 static int link_status_1g_rgmii(struct niu *np, int *link_up_p)
 {
        struct niu_link_config *lp = &np->link_config;
@@ -957,7 +955,6 @@ out:
        return err;
 }
 static int bcm8704_reset(struct niu *np)
 {
        int err, limit;
@@ -1357,8 +1354,6 @@ static int mii_reset(struct niu *np)
        return 0;
 }
 static int xcvr_init_1g_rgmii(struct niu *np)
 {
        int err;
@@ -1419,7 +1414,6 @@ static int xcvr_init_1g_rgmii(struct niu *np)
        return 0;
 }
 static int mii_init_common(struct niu *np)
 {
        struct niu_link_config *lp = &np->link_config;
@@ -7008,31 +7002,20 @@ static int __devinit niu_phy_type_prop_decode(struct niu *np,
        return 0;
 }
-/* niu board models have a trailing dash version incremented
- * with HW rev change. Need to ingnore the  dash version while
- * checking for match
- *
- * for example, for the 10G card the current vpd.board_model
- * is 501-5283-04, of which -04 is the  dash version and have
- * to be ignored
- */
-static int niu_board_model_match(struct niu *np, const char *model)
-{
-        return !strncmp(np->vpd.board_model, model, strlen(model));
-}
 static int niu_pci_vpd_get_nports(struct niu *np)
 {
        int ports = 0;
-        if ((niu_board_model_match(np, NIU_QGC_LP_BM_STR)) ||
+        if ((!strcmp(np->vpd.model, NIU_QGC_LP_MDL_STR)) ||
-            (niu_board_model_match(np, NIU_QGC_PEM_BM_STR)) ||
+            (!strcmp(np->vpd.model, NIU_QGC_PEM_MDL_STR)) ||
-            (niu_board_model_match(np, NIU_ALONSO_BM_STR))) {
+            (!strcmp(np->vpd.model, NIU_MARAMBA_MDL_STR)) ||
+            (!strcmp(np->vpd.model, NIU_KIMI_MDL_STR)) ||
+            (!strcmp(np->vpd.model, NIU_ALONSO_MDL_STR))) {
                ports = 4;
-        } else if ((niu_board_model_match(np, NIU_2XGF_LP_BM_STR)) ||
+        } else if ((!strcmp(np->vpd.model, NIU_2XGF_LP_MDL_STR)) ||
-                   (niu_board_model_match(np, NIU_2XGF_PEM_BM_STR)) ||
+                   (!strcmp(np->vpd.model, NIU_2XGF_PEM_MDL_STR)) ||
-                   (niu_board_model_match(np, NIU_FOXXY_BM_STR)) ||
+                   (!strcmp(np->vpd.model, NIU_FOXXY_MDL_STR)) ||
-                   (niu_board_model_match(np, NIU_2XGF_MRVL_BM_STR))) {
+                   (!strcmp(np->vpd.model, NIU_2XGF_MRVL_MDL_STR))) {
                ports = 2;
        }
@@ -7053,8 +7036,8 @@ static void __devinit niu_pci_vpd_validate(struct niu *np)
                return;
        }
-        if (!strcmp(np->vpd.model, "SUNW,CP3220") ||
+        if (!strcmp(np->vpd.model, NIU_ALONSO_MDL_STR) ||
-            !strcmp(np->vpd.model, "SUNW,CP3260")) {
+            !strcmp(np->vpd.model, NIU_KIMI_MDL_STR)) {
                np->flags |= NIU_FLAGS_10G;
                np->flags &= ~NIU_FLAGS_FIBER;
                np->flags |= NIU_FLAGS_XCVR_SERDES;
@@ -7065,7 +7048,7 @@ static void __devinit niu_pci_vpd_validate(struct niu *np)
                }
                if (np->flags & NIU_FLAGS_10G)
                         np->mac_xcvr = MAC_XCVR_XPCS;
-        } else if (niu_board_model_match(np, NIU_FOXXY_BM_STR)) {
+        } else if (!strcmp(np->vpd.model, NIU_FOXXY_MDL_STR)) {
                np->flags |= (NIU_FLAGS_10G | NIU_FLAGS_FIBER |
                              NIU_FLAGS_HOTPLUG_PHY);
        } else if (niu_phy_type_prop_decode(np, np->vpd.phy_type)) {
@@ -7541,8 +7524,8 @@ static int __devinit walk_phys(struct niu *np, struct niu_parent *parent)
        u32 val;
        int err;
-        if (!strcmp(np->vpd.model, "SUNW,CP3220") ||
+        if (!strcmp(np->vpd.model, NIU_ALONSO_MDL_STR) ||
-            !strcmp(np->vpd.model, "SUNW,CP3260")) {
+            !strcmp(np->vpd.model, NIU_KIMI_MDL_STR)) {
                num_10g = 0;
                num_1g = 2;
                parent->plat_type = PLAT_TYPE_ATCA_CP3220;
@@ -7551,7 +7534,7 @@ static int __devinit walk_phys(struct niu *np, struct niu_parent *parent)
                       phy_encode(PORT_TYPE_1G, 1) |
                       phy_encode(PORT_TYPE_1G, 2) |
                       phy_encode(PORT_TYPE_1G, 3));
-        } else if (niu_board_model_match(np, NIU_FOXXY_BM_STR)) {
+        } else if (!strcmp(np->vpd.model, NIU_FOXXY_MDL_STR)) {
                num_10g = 2;
                num_1g = 0;
                parent->num_ports = 2;
@@ -7946,6 +7929,7 @@ static int __devinit niu_get_of_props(struct niu *np)
        struct device_node *dp;
        const char *phy_type;
        const u8 *mac_addr;
+        const char *model;
        int prop_len;
        if (np->parent->plat_type == PLAT_TYPE_NIU)
@@ -8000,6 +7984,11 @@ static int __devinit niu_get_of_props(struct niu *np)
        memcpy(dev->dev_addr, dev->perm_addr, dev->addr_len);
+        model = of_get_property(dp, "model", &prop_len);
+        if (model)
+                strcpy(np->vpd.model, model);
        return 0;
 #else
        return -EINVAL;
diff --git a/drivers/net/niu.h b/drivers/net/niu.h
index 97ffbe137bcb..12fd570b9423 100644
--- a/drivers/net/niu.h
+++ b/drivers/net/niu.h
@@ -2946,6 +2946,15 @@ struct rx_ring_info {
 #define NIU_ALONSO_BM_STR       "373-0202"
 #define NIU_FOXXY_BM_STR        "501-7961"
 #define NIU_2XGF_MRVL_BM_STR    "SK-6E82"
+#define NIU_QGC_LP_MDL_STR      "SUNW,pcie-qgc"
+#define NIU_2XGF_LP_MDL_STR     "SUNW,pcie-2xgf"
+#define NIU_QGC_PEM_MDL_STR     "SUNW,pcie-qgc-pem"
+#define NIU_2XGF_PEM_MDL_STR    "SUNW,pcie-2xgf-pem"
+#define NIU_ALONSO_MDL_STR      "SUNW,CP3220"
+#define NIU_KIMI_MDL_STR        "SUNW,CP3260"
+#define NIU_MARAMBA_MDL_STR     "SUNW,pcie-neptune"
+#define NIU_FOXXY_MDL_STR       "SUNW,pcie-rfem"
+#define NIU_2XGF_MRVL_MDL_STR   "SysKonnect,pcie-2xgf"
 #define NIU_VPD_MIN_MAJOR       3
 #define NIU_VPD_MIN_MINOR       4
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index d3207c0da895..1f4ca2b54a73 100644
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -2458,6 +2458,7 @@ ppp_create_interface(int unit, int *retp)
 out3:
        atomic_dec(&ppp_unit_count);
+        unregister_netdev(dev);
 out2:
        mutex_unlock(&all_ppp_mutex);
        free_netdev(dev);
diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c
index 244d7830c92a..79359919335b 100644
--- a/drivers/net/pppol2tp.c
+++ b/drivers/net/pppol2tp.c
@@ -1621,9 +1621,16 @@ out_no_ppp:
 end:
        release_sock(sk);
-        if (error != 0)
+        if (error != 0) {
-                PRINTK(session ? session->debug : -1, PPPOL2TP_MSG_CONTROL, KERN_WARNING,
+                if (session)
-                       "%s: connect failed: %d\n", session->name, error);
+                        PRINTK(session->debug,
+                                PPPOL2TP_MSG_CONTROL, KERN_WARNING,
+                                "%s: connect failed: %d\n",
+                                session->name, error);
+                else
+                        PRINTK(-1, PPPOL2TP_MSG_CONTROL, KERN_WARNING,
+                                "connect failed: %d\n", error);
+        }
        return error;
 }
diff --git a/drivers/net/ps3_gelic_wireless.c b/drivers/net/ps3_gelic_wireless.c
index 0d32123085e9..1dae1f2ed813 100644
--- a/drivers/net/ps3_gelic_wireless.c
+++ b/drivers/net/ps3_gelic_wireless.c
@@ -2474,6 +2474,8 @@ static void gelic_wl_free(struct gelic_wl_info *wl)
        pr_debug("%s: <-\n", __func__);
+        free_page((unsigned long)wl->buf);
        pr_debug("%s: destroy queues\n", __func__);
        destroy_workqueue(wl->eurus_cmd_queue);
        destroy_workqueue(wl->event_queue);
diff --git a/drivers/net/sfc/Makefile b/drivers/net/sfc/Makefile
index 0f023447eafd..1d2daeec7ac1 100644
--- a/drivers/net/sfc/Makefile
+++ b/drivers/net/sfc/Makefile
@@ -1,5 +1,5 @@
 sfc-y                   += efx.o falcon.o tx.o rx.o falcon_xmac.o \
-                           i2c-direct.o ethtool.o xfp_phy.o mdio_10g.o \
+                           i2c-direct.o selftest.o ethtool.o xfp_phy.o \
-                           tenxpress.o boards.o sfe4001.o
+                           mdio_10g.o tenxpress.o boards.o sfe4001.o
 obj-$(CONFIG_SFC)       += sfc.o
diff --git a/drivers/net/sfc/boards.h b/drivers/net/sfc/boards.h
index f56341d428e1..695764dc2e64 100644
--- a/drivers/net/sfc/boards.h
+++ b/drivers/net/sfc/boards.h
@@ -22,5 +22,7 @@ enum efx_board_type {
 extern int efx_set_board_info(struct efx_nic *efx, u16 revision_info);
 extern int sfe4001_poweron(struct efx_nic *efx);
 extern void sfe4001_poweroff(struct efx_nic *efx);
+/* Are we putting the PHY into flash config mode */
+extern unsigned int sfe4001_phy_flash_cfg;
 #endif
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 59edcf793c19..418f2e53a95b 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1873,6 +1873,7 @@ static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type,
                tx_queue->queue = i;
                tx_queue->buffer = NULL;
                tx_queue->channel = &efx->channel[0]; /* for safety */
+                tx_queue->tso_headers_free = NULL;
        }
        for (i = 0; i < EFX_MAX_RX_QUEUES; i++) {
                rx_queue = &efx->rx_queue[i];
@@ -2071,7 +2072,8 @@ static int __devinit efx_pci_probe(struct pci_dev *pci_dev,
        net_dev = alloc_etherdev(sizeof(*efx));
        if (!net_dev)
                return -ENOMEM;
-        net_dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_HIGHDMA;
+        net_dev->features |= (NETIF_F_IP_CSUM | NETIF_F_SG |
+                              NETIF_F_HIGHDMA | NETIF_F_TSO);
        if (lro)
                net_dev->features |= NETIF_F_LRO;
        efx = net_dev->priv;
diff --git a/drivers/net/sfc/enum.h b/drivers/net/sfc/enum.h
index 43663a4619da..c53290d08e2b 100644
--- a/drivers/net/sfc/enum.h
+++ b/drivers/net/sfc/enum.h
@@ -10,6 +10,55 @@
 #ifndef EFX_ENUM_H
 #define EFX_ENUM_H
+/**
+ * enum efx_loopback_mode - loopback modes
+ * @LOOPBACK_NONE: no loopback
+ * @LOOPBACK_XGMII: loopback within MAC at XGMII level
+ * @LOOPBACK_XGXS: loopback within MAC at XGXS level
+ * @LOOPBACK_XAUI: loopback within MAC at XAUI level
+ * @LOOPBACK_PHYXS: loopback within PHY at PHYXS level
+ * @LOOPBACK_PCS: loopback within PHY at PCS level
+ * @LOOPBACK_PMAPMD: loopback within PHY at PMAPMD level
+ * @LOOPBACK_NETWORK: reflecting loopback (even further than furthest!)
+ */
+/* Please keep in order and up-to-date w.r.t the following two #defines */
+enum efx_loopback_mode {
+        LOOPBACK_NONE = 0,
+        LOOPBACK_MAC = 1,
+        LOOPBACK_XGMII = 2,
+        LOOPBACK_XGXS = 3,
+        LOOPBACK_XAUI = 4,
+        LOOPBACK_PHY = 5,
+        LOOPBACK_PHYXS = 6,
+        LOOPBACK_PCS = 7,
+        LOOPBACK_PMAPMD = 8,
+        LOOPBACK_NETWORK = 9,
+        LOOPBACK_MAX
+};
+#define LOOPBACK_TEST_MAX LOOPBACK_PMAPMD
+extern const char *efx_loopback_mode_names[];
+#define LOOPBACK_MODE_NAME(mode)                        \
+        STRING_TABLE_LOOKUP(mode, efx_loopback_mode)
+#define LOOPBACK_MODE(efx)                              \
+        LOOPBACK_MODE_NAME(efx->loopback_mode)
+/* These loopbacks occur within the controller */
+#define LOOPBACKS_10G_INTERNAL ((1 << LOOPBACK_XGMII)| \
+                                (1 << LOOPBACK_XGXS) | \
+                                (1 << LOOPBACK_XAUI))
+#define LOOPBACK_MASK(_efx)                     \
+        (1 << (_efx)->loopback_mode)
+#define LOOPBACK_INTERNAL(_efx)                                         \
+        ((LOOPBACKS_10G_INTERNAL & LOOPBACK_MASK(_efx)) ? 1 : 0)
+#define LOOPBACK_OUT_OF(_from, _to, _mask)              \
+        (((LOOPBACK_MASK(_from) & (_mask)) &&           \
+          ((LOOPBACK_MASK(_to) & (_mask)) == 0)) ? 1 : 0)
 /*****************************************************************************/
 /**
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index ad541badbd98..e2c75d101610 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -12,12 +12,26 @@
 #include <linux/ethtool.h>
 #include <linux/rtnetlink.h>
 #include "net_driver.h"
+#include "selftest.h"
 #include "efx.h"
 #include "ethtool.h"
 #include "falcon.h"
 #include "gmii.h"
 #include "mac.h"
+const char *efx_loopback_mode_names[] = {
+        [LOOPBACK_NONE]         = "NONE",
+        [LOOPBACK_MAC]          = "MAC",
+        [LOOPBACK_XGMII]        = "XGMII",
+        [LOOPBACK_XGXS]         = "XGXS",
+        [LOOPBACK_XAUI]         = "XAUI",
+        [LOOPBACK_PHY]          = "PHY",
+        [LOOPBACK_PHYXS]        = "PHY(XS)",
+        [LOOPBACK_PCS]          = "PHY(PCS)",
+        [LOOPBACK_PMAPMD]       = "PHY(PMAPMD)",
+        [LOOPBACK_NETWORK]      = "NETWORK",
+};
 static int efx_ethtool_set_tx_csum(struct net_device *net_dev, u32 enable);
 struct ethtool_string {
@@ -217,23 +231,179 @@ static void efx_ethtool_get_drvinfo(struct net_device *net_dev,
        strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info));
 }
+/**
+ * efx_fill_test - fill in an individual self-test entry
+ * @test_index:         Index of the test
+ * @strings:            Ethtool strings, or %NULL
+ * @data:               Ethtool test results, or %NULL
+ * @test:               Pointer to test result (used only if data != %NULL)
+ * @unit_format:        Unit name format (e.g. "channel\%d")
+ * @unit_id:            Unit id (e.g. 0 for "channel0")
+ * @test_format:        Test name format (e.g. "loopback.\%s.tx.sent")
+ * @test_id:            Test id (e.g. "PHY" for "loopback.PHY.tx_sent")
+ *
+ * Fill in an individual self-test entry.
+ */
+static void efx_fill_test(unsigned int test_index,
+                          struct ethtool_string *strings, u64 *data,
+                          int *test, const char *unit_format, int unit_id,
+                          const char *test_format, const char *test_id)
+{
+        struct ethtool_string unit_str, test_str;
+        /* Fill data value, if applicable */
+        if (data)
+                data[test_index] = *test;
+        /* Fill string, if applicable */
+        if (strings) {
+                snprintf(unit_str.name, sizeof(unit_str.name),
+                         unit_format, unit_id);
+                snprintf(test_str.name, sizeof(test_str.name),
+                         test_format, test_id);
+                snprintf(strings[test_index].name,
+                         sizeof(strings[test_index].name),
+                         "%-9s%-17s", unit_str.name, test_str.name);
+        }
+}
+#define EFX_PORT_NAME "port%d", 0
+#define EFX_CHANNEL_NAME(_channel) "channel%d", _channel->channel
+#define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue
+#define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue
+#define EFX_LOOPBACK_NAME(_mode, _counter)                      \
+        "loopback.%s." _counter, LOOPBACK_MODE_NAME(mode)
+/**
+ * efx_fill_loopback_test - fill in a block of loopback self-test entries
+ * @efx:                Efx NIC
+ * @lb_tests:           Efx loopback self-test results structure
+ * @mode:               Loopback test mode
+ * @test_index:         Starting index of the test
+ * @strings:            Ethtool strings, or %NULL
+ * @data:               Ethtool test results, or %NULL
+ */
+static int efx_fill_loopback_test(struct efx_nic *efx,
+                                  struct efx_loopback_self_tests *lb_tests,
+                                  enum efx_loopback_mode mode,
+                                  unsigned int test_index,
+                                  struct ethtool_string *strings, u64 *data)
+{
+        struct efx_tx_queue *tx_queue;
+        efx_for_each_tx_queue(tx_queue, efx) {
+                efx_fill_test(test_index++, strings, data,
+                              &lb_tests->tx_sent[tx_queue->queue],
+                              EFX_TX_QUEUE_NAME(tx_queue),
+                              EFX_LOOPBACK_NAME(mode, "tx_sent"));
+                efx_fill_test(test_index++, strings, data,
+                              &lb_tests->tx_done[tx_queue->queue],
+                              EFX_TX_QUEUE_NAME(tx_queue),
+                              EFX_LOOPBACK_NAME(mode, "tx_done"));
+        }
+        efx_fill_test(test_index++, strings, data,
+                      &lb_tests->rx_good,
+                      EFX_PORT_NAME,
+                      EFX_LOOPBACK_NAME(mode, "rx_good"));
+        efx_fill_test(test_index++, strings, data,
+                      &lb_tests->rx_bad,
+                      EFX_PORT_NAME,
+                      EFX_LOOPBACK_NAME(mode, "rx_bad"));
+        return test_index;
+}
+/**
+ * efx_ethtool_fill_self_tests - get self-test details
+ * @efx:                Efx NIC
+ * @tests:              Efx self-test results structure, or %NULL
+ * @strings:            Ethtool strings, or %NULL
+ * @data:               Ethtool test results, or %NULL
+ */
+static int efx_ethtool_fill_self_tests(struct efx_nic *efx,
+                                       struct efx_self_tests *tests,
+                                       struct ethtool_string *strings,
+                                       u64 *data)
+{
+        struct efx_channel *channel;
+        unsigned int n = 0;
+        enum efx_loopback_mode mode;
+        /* Interrupt */
+        efx_fill_test(n++, strings, data, &tests->interrupt,
+                      "core", 0, "interrupt", NULL);
+        /* Event queues */
+        efx_for_each_channel(channel, efx) {
+                efx_fill_test(n++, strings, data,
+                              &tests->eventq_dma[channel->channel],
+                              EFX_CHANNEL_NAME(channel),
+                              "eventq.dma", NULL);
+                efx_fill_test(n++, strings, data,
+                              &tests->eventq_int[channel->channel],
+                              EFX_CHANNEL_NAME(channel),
+                              "eventq.int", NULL);
+                efx_fill_test(n++, strings, data,
+                              &tests->eventq_poll[channel->channel],
+                              EFX_CHANNEL_NAME(channel),
+                              "eventq.poll", NULL);
+        }
+        /* PHY presence */
+        efx_fill_test(n++, strings, data, &tests->phy_ok,
+                      EFX_PORT_NAME, "phy_ok", NULL);
+        /* Loopback tests */
+        efx_fill_test(n++, strings, data, &tests->loopback_speed,
+                      EFX_PORT_NAME, "loopback.speed", NULL);
+        efx_fill_test(n++, strings, data, &tests->loopback_full_duplex,
+                      EFX_PORT_NAME, "loopback.full_duplex", NULL);
+        for (mode = LOOPBACK_NONE; mode < LOOPBACK_TEST_MAX; mode++) {
+                if (!(efx->loopback_modes & (1 << mode)))
+                        continue;
+                n = efx_fill_loopback_test(efx,
+                                           &tests->loopback[mode], mode, n,
+                                           strings, data);
+        }
+        return n;
+}
 static int efx_ethtool_get_stats_count(struct net_device *net_dev)
 {
        return EFX_ETHTOOL_NUM_STATS;
 }
+static int efx_ethtool_self_test_count(struct net_device *net_dev)
+{
+        struct efx_nic *efx = net_dev->priv;
+        return efx_ethtool_fill_self_tests(efx, NULL, NULL, NULL);
+}
 static void efx_ethtool_get_strings(struct net_device *net_dev,
                                    u32 string_set, u8 *strings)
 {
+        struct efx_nic *efx = net_dev->priv;
        struct ethtool_string *ethtool_strings =
                (struct ethtool_string *)strings;
        int i;
-        if (string_set == ETH_SS_STATS)
+        switch (string_set) {
+        case ETH_SS_STATS:
                for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++)
                        strncpy(ethtool_strings[i].name,
                                efx_ethtool_stats[i].name,
                                sizeof(ethtool_strings[i].name));
+                break;
+        case ETH_SS_TEST:
+                efx_ethtool_fill_self_tests(efx, NULL,
+                                            ethtool_strings, NULL);
+                break;
+        default:
+                /* No other string sets */
+                break;
+        }
 }
 static void efx_ethtool_get_stats(struct net_device *net_dev,
@@ -272,6 +442,22 @@ static void efx_ethtool_get_stats(struct net_device *net_dev,
        }
 }
+static int efx_ethtool_set_tso(struct net_device *net_dev, u32 enable)
+{
+        int rc;
+        /* Our TSO requires TX checksumming, so force TX checksumming
+         * on when TSO is enabled.
+         */
+        if (enable) {
+                rc = efx_ethtool_set_tx_csum(net_dev, 1);
+                if (rc)
+                        return rc;
+        }
+        return ethtool_op_set_tso(net_dev, enable);
+}
 static int efx_ethtool_set_tx_csum(struct net_device *net_dev, u32 enable)
 {
        struct efx_nic *efx = net_dev->priv;
@@ -283,6 +469,15 @@ static int efx_ethtool_set_tx_csum(struct net_device *net_dev, u32 enable)
        efx_flush_queues(efx);
+        /* Our TSO requires TX checksumming, so disable TSO when
+         * checksumming is disabled
+         */
+        if (!enable) {
+                rc = efx_ethtool_set_tso(net_dev, 0);
+                if (rc)
+                        return rc;
+        }
        return 0;
 }
@@ -305,6 +500,64 @@ static u32 efx_ethtool_get_rx_csum(struct net_device *net_dev)
        return efx->rx_checksum_enabled;
 }
+static void efx_ethtool_self_test(struct net_device *net_dev,
+                                  struct ethtool_test *test, u64 *data)
+{
+        struct efx_nic *efx = net_dev->priv;
+        struct efx_self_tests efx_tests;
+        int offline, already_up;
+        int rc;
+        ASSERT_RTNL();
+        if (efx->state != STATE_RUNNING) {
+                rc = -EIO;
+                goto fail1;
+        }
+        /* We need rx buffers and interrupts. */
+        already_up = (efx->net_dev->flags & IFF_UP);
+        if (!already_up) {
+                rc = dev_open(efx->net_dev);
+                if (rc) {
+                        EFX_ERR(efx, "failed opening device.\n");
+                        goto fail2;
+                }
+        }
+        memset(&efx_tests, 0, sizeof(efx_tests));
+        offline = (test->flags & ETH_TEST_FL_OFFLINE);
+        /* Perform online self tests first */
+        rc = efx_online_test(efx, &efx_tests);
+        if (rc)
+                goto out;
+        /* Perform offline tests only if online tests passed */
+        if (offline) {
+                /* Stop the kernel from sending packets during the test. */
+                efx_stop_queue(efx);
+                rc = efx_flush_queues(efx);
+                if (!rc)
+                        rc = efx_offline_test(efx, &efx_tests,
+                                              efx->loopback_modes);
+                efx_wake_queue(efx);
+        }
+ out:
+        if (!already_up)
+                dev_close(efx->net_dev);
+        EFX_LOG(efx, "%s all %sline self-tests\n",
+                rc == 0 ? "passed" : "failed", offline ? "off" : "on");
+ fail2:
+ fail1:
+        /* Fill ethtool results structures */
+        efx_ethtool_fill_self_tests(efx, &efx_tests, NULL, data);
+        if (rc)
+                test->flags |= ETH_TEST_FL_FAILED;
+}
 /* Restart autonegotiation */
 static int efx_ethtool_nway_reset(struct net_device *net_dev)
 {
@@ -451,8 +704,12 @@ struct ethtool_ops efx_ethtool_ops = {
        .set_tx_csum            = efx_ethtool_set_tx_csum,
        .get_sg                 = ethtool_op_get_sg,
        .set_sg                 = ethtool_op_set_sg,
+        .get_tso                = ethtool_op_get_tso,
+        .set_tso                = efx_ethtool_set_tso,
        .get_flags              = ethtool_op_get_flags,
        .set_flags              = ethtool_op_set_flags,
+        .self_test_count        = efx_ethtool_self_test_count,
+        .self_test              = efx_ethtool_self_test,
        .get_strings            = efx_ethtool_get_strings,
        .phys_id                = efx_ethtool_phys_id,
        .get_stats_count        = efx_ethtool_get_stats_count,
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 46db549ce580..b57cc68058c0 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1129,6 +1129,7 @@ static void falcon_handle_driver_event(struct efx_channel *channel,
        case RX_RECOVERY_EV_DECODE:
                EFX_ERR(efx, "channel %d seen DRIVER RX_RESET event. "
                        "Resetting.\n", channel->channel);
+                atomic_inc(&efx->rx_reset);
                efx_schedule_reset(efx,
                                   EFX_WORKAROUND_6555(efx) ?
                                   RESET_TYPE_RX_RECOVERY :
@@ -1731,7 +1732,8 @@ void falcon_drain_tx_fifo(struct efx_nic *efx)
        efx_oword_t temp;
        int count;
-        if (FALCON_REV(efx) < FALCON_REV_B0)
+        if ((FALCON_REV(efx) < FALCON_REV_B0) ||
+            (efx->loopback_mode != LOOPBACK_NONE))
                return;
        falcon_read(efx, &temp, MAC0_CTRL_REG_KER);
@@ -2091,6 +2093,8 @@ static int falcon_probe_phy(struct efx_nic *efx)
                        efx->phy_type);
                return -1;
        }
+        efx->loopback_modes = LOOPBACKS_10G_INTERNAL | efx->phy_op->loopbacks;
        return 0;
 }
@@ -2468,14 +2472,12 @@ int falcon_probe_nic(struct efx_nic *efx)
 fail5:
        falcon_free_buffer(efx, &efx->irq_status);
 fail4:
-        /* fall-thru */
 fail3:
        if (nic_data->pci_dev2) {
                pci_dev_put(nic_data->pci_dev2);
                nic_data->pci_dev2 = NULL;
        }
 fail2:
-        /* fall-thru */
 fail1:
        kfree(efx->nic_data);
        return rc;
diff --git a/drivers/net/sfc/falcon_hwdefs.h b/drivers/net/sfc/falcon_hwdefs.h
index 0485a63eaff6..06e2d68fc3d1 100644
--- a/drivers/net/sfc/falcon_hwdefs.h
+++ b/drivers/net/sfc/falcon_hwdefs.h
@@ -636,6 +636,14 @@
 #define XX_HIDRVA_WIDTH 1
 #define XX_LODRVA_LBN 8
 #define XX_LODRVA_WIDTH 1
+#define XX_LPBKD_LBN 3
+#define XX_LPBKD_WIDTH 1
+#define XX_LPBKC_LBN 2
+#define XX_LPBKC_WIDTH 1
+#define XX_LPBKB_LBN 1
+#define XX_LPBKB_WIDTH 1
+#define XX_LPBKA_LBN 0
+#define XX_LPBKA_WIDTH 1
 #define XX_TXDRV_CTL_REG_MAC 0x12
 #define XX_DEQD_LBN 28
@@ -656,8 +664,14 @@
 #define XX_DTXA_WIDTH 4
 /* XAUI XGXS core status register */
-#define XX_FORCE_SIG_DECODE_FORCED 0xff
 #define XX_CORE_STAT_REG_MAC 0x16
+#define XX_FORCE_SIG_LBN 24
+#define XX_FORCE_SIG_WIDTH 8
+#define XX_FORCE_SIG_DECODE_FORCED 0xff
+#define XX_XGXS_LB_EN_LBN 23
+#define XX_XGXS_LB_EN_WIDTH 1
+#define XX_XGMII_LB_EN_LBN 22
+#define XX_XGMII_LB_EN_WIDTH 1
 #define XX_ALIGN_DONE_LBN 20
 #define XX_ALIGN_DONE_WIDTH 1
 #define XX_SYNC_STAT_LBN 16
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index aa7521b24a5d..a74b7931a3c4 100644
--- a/drivers/net/sfc/falcon_xmac.c
+++ b/drivers/net/sfc/falcon_xmac.c
@@ -32,7 +32,7 @@
        (FALCON_XMAC_REGBANK + ((mac_reg) * FALCON_XMAC_REG_SIZE))
 void falcon_xmac_writel(struct efx_nic *efx,
-                        efx_dword_t *value, unsigned int mac_reg)
+                         efx_dword_t *value, unsigned int mac_reg)
 {
        efx_oword_t temp;
@@ -69,6 +69,10 @@ static int falcon_reset_xmac(struct efx_nic *efx)
                udelay(10);
        }
+        /* This often fails when DSP is disabled, ignore it */
+        if (sfe4001_phy_flash_cfg != 0)
+                return 0;
        EFX_ERR(efx, "timed out waiting for XMAC core reset\n");
        return -ETIMEDOUT;
 }
@@ -223,7 +227,7 @@ static int falcon_xgmii_status(struct efx_nic *efx)
        /* The ISR latches, so clear it and re-read */
        falcon_xmac_readl(efx, &reg, XM_MGT_INT_REG_MAC_B0);
        falcon_xmac_readl(efx, &reg, XM_MGT_INT_REG_MAC_B0);
-        
        if (EFX_DWORD_FIELD(reg, XM_LCLFLT) ||
            EFX_DWORD_FIELD(reg, XM_RMTFLT)) {
                EFX_INFO(efx, "MGT_INT: "EFX_DWORD_FMT"\n", EFX_DWORD_VAL(reg));
@@ -237,7 +241,7 @@ static void falcon_mask_status_intr(struct efx_nic *efx, int enable)
 {
        efx_dword_t reg;
-        if (FALCON_REV(efx) < FALCON_REV_B0)
+        if ((FALCON_REV(efx) < FALCON_REV_B0) || LOOPBACK_INTERNAL(efx))
                return;
        /* Flush the ISR */
@@ -284,6 +288,9 @@ int falcon_xaui_link_ok(struct efx_nic *efx)
        efx_dword_t reg;
        int align_done, sync_status, link_ok = 0;
+        if (LOOPBACK_INTERNAL(efx))
+                return 1;
        /* Read link status */
        falcon_xmac_readl(efx, &reg, XX_CORE_STAT_REG_MAC);
@@ -374,6 +381,61 @@ static void falcon_reconfigure_xmac_core(struct efx_nic *efx)
        falcon_xmac_writel(efx, &reg, XM_ADR_HI_REG_MAC);
 }
+static void falcon_reconfigure_xgxs_core(struct efx_nic *efx)
+{
+        efx_dword_t reg;
+        int xgxs_loopback = (efx->loopback_mode == LOOPBACK_XGXS) ? 1 : 0;
+        int xaui_loopback = (efx->loopback_mode == LOOPBACK_XAUI) ? 1 : 0;
+        int xgmii_loopback =
+                (efx->loopback_mode == LOOPBACK_XGMII) ? 1 : 0;
+        /* XGXS block is flaky and will need to be reset if moving
+         * into our out of XGMII, XGXS or XAUI loopbacks. */
+        if (EFX_WORKAROUND_5147(efx)) {
+                int old_xgmii_loopback, old_xgxs_loopback, old_xaui_loopback;
+                int reset_xgxs;
+                falcon_xmac_readl(efx, &reg, XX_CORE_STAT_REG_MAC);
+                old_xgxs_loopback = EFX_DWORD_FIELD(reg, XX_XGXS_LB_EN);
+                old_xgmii_loopback = EFX_DWORD_FIELD(reg, XX_XGMII_LB_EN);
+                falcon_xmac_readl(efx, &reg, XX_SD_CTL_REG_MAC);
+                old_xaui_loopback = EFX_DWORD_FIELD(reg, XX_LPBKA);
+                /* The PHY driver may have turned XAUI off */
+                reset_xgxs = ((xgxs_loopback != old_xgxs_loopback) ||
+                              (xaui_loopback != old_xaui_loopback) ||
+                              (xgmii_loopback != old_xgmii_loopback));
+                if (reset_xgxs) {
+                        falcon_xmac_readl(efx, &reg, XX_PWR_RST_REG_MAC);
+                        EFX_SET_DWORD_FIELD(reg, XX_RSTXGXSTX_EN, 1);
+                        EFX_SET_DWORD_FIELD(reg, XX_RSTXGXSRX_EN, 1);
+                        falcon_xmac_writel(efx, &reg, XX_PWR_RST_REG_MAC);
+                        udelay(1);
+                        EFX_SET_DWORD_FIELD(reg, XX_RSTXGXSTX_EN, 0);
+                        EFX_SET_DWORD_FIELD(reg, XX_RSTXGXSRX_EN, 0);
+                        falcon_xmac_writel(efx, &reg, XX_PWR_RST_REG_MAC);
+                        udelay(1);
+                }
+        }
+        falcon_xmac_readl(efx, &reg, XX_CORE_STAT_REG_MAC);
+        EFX_SET_DWORD_FIELD(reg, XX_FORCE_SIG,
+                            (xgxs_loopback || xaui_loopback) ?
+                            XX_FORCE_SIG_DECODE_FORCED : 0);
+        EFX_SET_DWORD_FIELD(reg, XX_XGXS_LB_EN, xgxs_loopback);
+        EFX_SET_DWORD_FIELD(reg, XX_XGMII_LB_EN, xgmii_loopback);
+        falcon_xmac_writel(efx, &reg, XX_CORE_STAT_REG_MAC);
+        falcon_xmac_readl(efx, &reg, XX_SD_CTL_REG_MAC);
+        EFX_SET_DWORD_FIELD(reg, XX_LPBKD, xaui_loopback);
+        EFX_SET_DWORD_FIELD(reg, XX_LPBKC, xaui_loopback);
+        EFX_SET_DWORD_FIELD(reg, XX_LPBKB, xaui_loopback);
+        EFX_SET_DWORD_FIELD(reg, XX_LPBKA, xaui_loopback);
+        falcon_xmac_writel(efx, &reg, XX_SD_CTL_REG_MAC);
+}
 /* Try and bring the Falcon side of the Falcon-Phy XAUI link fails
 * to come back up. Bash it until it comes back up */
 static int falcon_check_xaui_link_up(struct efx_nic *efx)
@@ -382,7 +444,8 @@ static int falcon_check_xaui_link_up(struct efx_nic *efx)
        tries = EFX_WORKAROUND_5147(efx) ? 5 : 1;
        max_tries = tries;
-        if (efx->phy_type == PHY_TYPE_NONE)
+        if ((efx->loopback_mode == LOOPBACK_NETWORK) ||
+            (efx->phy_type == PHY_TYPE_NONE))
                return 0;
        while (tries) {
@@ -408,8 +471,13 @@ void falcon_reconfigure_xmac(struct efx_nic *efx)
        falcon_mask_status_intr(efx, 0);
        falcon_deconfigure_mac_wrapper(efx);
+        efx->tx_disabled = LOOPBACK_INTERNAL(efx);
        efx->phy_op->reconfigure(efx);
+        falcon_reconfigure_xgxs_core(efx);
        falcon_reconfigure_xmac_core(efx);
        falcon_reconfigure_mac_wrapper(efx);
        /* Ensure XAUI link is up */
@@ -491,13 +559,15 @@ void falcon_update_stats_xmac(struct efx_nic *efx)
                (mac_stats->rx_bytes - mac_stats->rx_good_bytes);
 }
-#define EFX_XAUI_RETRAIN_MAX 8
 int falcon_check_xmac(struct efx_nic *efx)
 {
        unsigned xaui_link_ok;
        int rc;
+        if ((efx->loopback_mode == LOOPBACK_NETWORK) ||
+            (efx->phy_type == PHY_TYPE_NONE))
+                return 0;
        falcon_mask_status_intr(efx, 0);
        xaui_link_ok = falcon_xaui_link_ok(efx);
diff --git a/drivers/net/sfc/mdio_10g.c b/drivers/net/sfc/mdio_10g.c
index dc06bb0aa575..c4f540e93b79 100644
--- a/drivers/net/sfc/mdio_10g.c
+++ b/drivers/net/sfc/mdio_10g.c
@@ -44,6 +44,9 @@ static int mdio_clause45_check_mmd(struct efx_nic *efx, int mmd,
        int status;
        int phy_id = efx->mii.phy_id;
+        if (LOOPBACK_INTERNAL(efx))
+                return 0;
        /* Read MMD STATUS2 to check it is responding. */
        status = mdio_clause45_read(efx, phy_id, mmd, MDIO_MMDREG_STAT2);
        if (((status >> MDIO_MMDREG_STAT2_PRESENT_LBN) &
@@ -164,6 +167,22 @@ int mdio_clause45_links_ok(struct efx_nic *efx, unsigned int mmd_mask)
        int mmd = 0;
        int good;
+        /* If the port is in loopback, then we should only consider a subset
+         * of mmd's */
+        if (LOOPBACK_INTERNAL(efx))
+                return 1;
+        else if (efx->loopback_mode == LOOPBACK_NETWORK)
+                return 0;
+        else if (efx->loopback_mode == LOOPBACK_PHYXS)
+                mmd_mask &= ~(MDIO_MMDREG_DEVS0_PHYXS |
+                              MDIO_MMDREG_DEVS0_PCS |
+                              MDIO_MMDREG_DEVS0_PMAPMD);
+        else if (efx->loopback_mode == LOOPBACK_PCS)
+                mmd_mask &= ~(MDIO_MMDREG_DEVS0_PCS |
+                              MDIO_MMDREG_DEVS0_PMAPMD);
+        else if (efx->loopback_mode == LOOPBACK_PMAPMD)
+                mmd_mask &= ~MDIO_MMDREG_DEVS0_PMAPMD;
        while (mmd_mask) {
                if (mmd_mask & 1) {
                        /* Double reads because link state is latched, and a
@@ -182,6 +201,65 @@ int mdio_clause45_links_ok(struct efx_nic *efx, unsigned int mmd_mask)
        return ok;
 }
+void mdio_clause45_transmit_disable(struct efx_nic *efx)
+{
+        int phy_id = efx->mii.phy_id;
+        int ctrl1, ctrl2;
+        ctrl1 = ctrl2 = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD,
+                                           MDIO_MMDREG_TXDIS);
+        if (efx->tx_disabled)
+                ctrl2 |= (1 << MDIO_MMDREG_TXDIS_GLOBAL_LBN);
+        else
+                ctrl1 &= ~(1 << MDIO_MMDREG_TXDIS_GLOBAL_LBN);
+        if (ctrl1 != ctrl2)
+                mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD,
+                                    MDIO_MMDREG_TXDIS, ctrl2);
+}
+void mdio_clause45_phy_reconfigure(struct efx_nic *efx)
+{
+        int phy_id = efx->mii.phy_id;
+        int ctrl1, ctrl2;
+        /* Handle (with debouncing) PMA/PMD loopback */
+        ctrl1 = ctrl2 = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD,
+                                           MDIO_MMDREG_CTRL1);
+        if (efx->loopback_mode == LOOPBACK_PMAPMD)
+                ctrl2 |= (1 << MDIO_PMAPMD_CTRL1_LBACK_LBN);
+        else
+                ctrl2 &= ~(1 << MDIO_PMAPMD_CTRL1_LBACK_LBN);
+        if (ctrl1 != ctrl2)
+                mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD,
+                                    MDIO_MMDREG_CTRL1, ctrl2);
+        /* Handle (with debouncing) PCS loopback */
+        ctrl1 = ctrl2 = mdio_clause45_read(efx, phy_id, MDIO_MMD_PCS,
+                                           MDIO_MMDREG_CTRL1);
+        if (efx->loopback_mode == LOOPBACK_PCS)
+                ctrl2 |= (1 << MDIO_MMDREG_CTRL1_LBACK_LBN);
+        else
+                ctrl2 &= ~(1 << MDIO_MMDREG_CTRL1_LBACK_LBN);
+        if (ctrl1 != ctrl2)
+                mdio_clause45_write(efx, phy_id, MDIO_MMD_PCS,
+                                    MDIO_MMDREG_CTRL1, ctrl2);
+        /* Handle (with debouncing) PHYXS network loopback */
+        ctrl1 = ctrl2 = mdio_clause45_read(efx, phy_id, MDIO_MMD_PHYXS,
+                                           MDIO_MMDREG_CTRL1);
+        if (efx->loopback_mode == LOOPBACK_NETWORK)
+                ctrl2 |= (1 << MDIO_MMDREG_CTRL1_LBACK_LBN);
+        else
+                ctrl2 &= ~(1 << MDIO_MMDREG_CTRL1_LBACK_LBN);
+        if (ctrl1 != ctrl2)
+                mdio_clause45_write(efx, phy_id, MDIO_MMD_PHYXS,
+                                    MDIO_MMDREG_CTRL1, ctrl2);
+}
 /**
 * mdio_clause45_get_settings - Read (some of) the PHY settings over MDIO.
 * @efx:                Efx NIC
diff --git a/drivers/net/sfc/mdio_10g.h b/drivers/net/sfc/mdio_10g.h
index 2214b6d820a7..cb99f3f4491c 100644
--- a/drivers/net/sfc/mdio_10g.h
+++ b/drivers/net/sfc/mdio_10g.h
@@ -44,11 +44,16 @@
 #define MDIO_MMDREG_DEVS1       (6)
 #define MDIO_MMDREG_CTRL2       (7)
 #define MDIO_MMDREG_STAT2       (8)
+#define MDIO_MMDREG_TXDIS       (9)
 /* Bits in MMDREG_CTRL1 */
 /* Reset */
 #define MDIO_MMDREG_CTRL1_RESET_LBN     (15)
 #define MDIO_MMDREG_CTRL1_RESET_WIDTH   (1)
+/* Loopback */
+/* Loopback bit for WIS, PCS, PHYSX and DTEXS */
+#define MDIO_MMDREG_CTRL1_LBACK_LBN     (14)
+#define MDIO_MMDREG_CTRL1_LBACK_WIDTH   (1)
 /* Bits in MMDREG_STAT1 */
 #define MDIO_MMDREG_STAT1_FAULT_LBN     (7)
@@ -56,6 +61,9 @@
 /* Link state */
 #define MDIO_MMDREG_STAT1_LINK_LBN      (2)
 #define MDIO_MMDREG_STAT1_LINK_WIDTH    (1)
+/* Low power ability */
+#define MDIO_MMDREG_STAT1_LPABLE_LBN    (1)
+#define MDIO_MMDREG_STAT1_LPABLE_WIDTH  (1)
 /* Bits in ID reg */
 #define MDIO_ID_REV(_id32)      (_id32 & 0xf)
@@ -76,6 +84,14 @@
 #define MDIO_MMDREG_STAT2_PRESENT_LBN   (14)
 #define MDIO_MMDREG_STAT2_PRESENT_WIDTH (2)
+/* Bits in MMDREG_TXDIS */
+#define MDIO_MMDREG_TXDIS_GLOBAL_LBN    (0)
+#define MDIO_MMDREG_TXDIS_GLOBAL_WIDTH  (1)
+/* MMD-specific bits, ordered by MMD, then register */
+#define MDIO_PMAPMD_CTRL1_LBACK_LBN     (0)
+#define MDIO_PMAPMD_CTRL1_LBACK_WIDTH   (1)
 /* PMA type (4 bits) */
 #define MDIO_PMAPMD_CTRL2_10G_CX4       (0x0)
 #define MDIO_PMAPMD_CTRL2_10G_EW        (0x1)
@@ -95,7 +111,7 @@
 #define MDIO_PMAPMD_CTRL2_10_BT         (0xf)
 #define MDIO_PMAPMD_CTRL2_TYPE_MASK     (0xf)
-/* /\* PHY XGXS lane state *\/ */
+/* PHY XGXS lane state */
 #define MDIO_PHYXS_LANE_STATE           (0x18)
 #define MDIO_PHYXS_LANE_ALIGNED_LBN     (12)
@@ -217,6 +233,12 @@ int mdio_clause45_check_mmds(struct efx_nic *efx,
 extern int mdio_clause45_links_ok(struct efx_nic *efx,
                                  unsigned int mmd_mask);
+/* Generic transmit disable support though PMAPMD */
+extern void mdio_clause45_transmit_disable(struct efx_nic *efx);
+/* Generic part of reconfigure: set/clear loopback bits */
+extern void mdio_clause45_phy_reconfigure(struct efx_nic *efx);
 /* Read (some of) the PHY settings over MDIO */
 extern void mdio_clause45_get_settings(struct efx_nic *efx,
                                       struct ethtool_cmd *ecmd);
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index c505482c2520..59f261b4171f 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -134,6 +134,8 @@ struct efx_special_buffer {
 *      Set only on the final fragment of a packet; %NULL for all other
 *      fragments.  When this fragment completes, then we can free this
 *      skb.
+ * @tsoh: The associated TSO header structure, or %NULL if this
+ *      buffer is not a TSO header.
 * @dma_addr: DMA address of the fragment.
 * @len: Length of this fragment.
 *      This field is zero when the queue slot is empty.
@@ -144,6 +146,7 @@ struct efx_special_buffer {
 */
 struct efx_tx_buffer {
        const struct sk_buff *skb;
+        struct efx_tso_header *tsoh;
        dma_addr_t dma_addr;
        unsigned short len;
        unsigned char continuation;
@@ -187,6 +190,13 @@ struct efx_tx_buffer {
 *      variable indicates that the queue is full.  This is to
 *      avoid cache-line ping-pong between the xmit path and the
 *      completion path.
+ * @tso_headers_free: A list of TSO headers allocated for this TX queue
+ *      that are not in use, and so available for new TSO sends. The list
+ *      is protected by the TX queue lock.
+ * @tso_bursts: Number of times TSO xmit invoked by kernel
+ * @tso_long_headers: Number of packets with headers too long for standard
+ *      blocks
+ * @tso_packets: Number of packets via the TSO xmit path
 */
 struct efx_tx_queue {
        /* Members which don't change on the fast path */
@@ -206,6 +216,10 @@ struct efx_tx_queue {
        unsigned int insert_count ____cacheline_aligned_in_smp;
        unsigned int write_count;
        unsigned int old_read_count;
+        struct efx_tso_header *tso_headers_free;
+        unsigned int tso_bursts;
+        unsigned int tso_long_headers;
+        unsigned int tso_packets;
 };
 /**
@@ -434,6 +448,9 @@ struct efx_board {
        struct efx_blinker blinker;
 };
+#define STRING_TABLE_LOOKUP(val, member)        \
+        member ## _names[val]
 enum efx_int_mode {
        /* Be careful if altering to correct macro below */
        EFX_INT_MODE_MSIX = 0,
@@ -506,6 +523,7 @@ enum efx_fc_type {
 * @check_hw: Check hardware
 * @reset_xaui: Reset XAUI side of PHY for (software sequenced reset)
 * @mmds: MMD presence mask
+ * @loopbacks: Supported loopback modes mask
 */
 struct efx_phy_operations {
        int (*init) (struct efx_nic *efx);
@@ -515,6 +533,7 @@ struct efx_phy_operations {
        int (*check_hw) (struct efx_nic *efx);
        void (*reset_xaui) (struct efx_nic *efx);
        int mmds;
+        unsigned loopbacks;
 };
 /*
@@ -653,7 +672,6 @@ union efx_multicast_hash {
 * @phy_op: PHY interface
 * @phy_data: PHY private data (including PHY-specific stats)
 * @mii: PHY interface
- * @phy_powered: PHY power state
 * @tx_disabled: PHY transmitter turned off
 * @link_up: Link status
 * @link_options: Link options (MII/GMII format)
@@ -662,6 +680,9 @@ union efx_multicast_hash {
 * @multicast_hash: Multicast hash table
 * @flow_control: Flow control flags - separate RX/TX so can't use link_options
 * @reconfigure_work: work item for dealing with PHY events
+ * @loopback_mode: Loopback status
+ * @loopback_modes: Supported loopback mode bitmask
+ * @loopback_selftest: Offline self-test private state
 *
 * The @priv field of the corresponding &struct net_device points to
 * this.
@@ -721,6 +742,7 @@ struct efx_nic {
        struct efx_phy_operations *phy_op;
        void *phy_data;
        struct mii_if_info mii;
+        unsigned tx_disabled;
        int link_up;
        unsigned int link_options;
@@ -732,6 +754,10 @@ struct efx_nic {
        struct work_struct reconfigure_work;
        atomic_t rx_reset;
+        enum efx_loopback_mode loopback_mode;
+        unsigned int loopback_modes;
+        void *loopback_selftest;
 };
 /**
diff --git a/drivers/net/sfc/rx.c b/drivers/net/sfc/rx.c
index 551299b462ae..670622373ddf 100644
--- a/drivers/net/sfc/rx.c
+++ b/drivers/net/sfc/rx.c
@@ -19,6 +19,7 @@
 #include "rx.h"
 #include "efx.h"
 #include "falcon.h"
+#include "selftest.h"
 #include "workarounds.h"
 /* Number of RX descriptors pushed at once. */
@@ -683,6 +684,15 @@ void __efx_rx_packet(struct efx_channel *channel,
        struct sk_buff *skb;
        int lro = efx->net_dev->features & NETIF_F_LRO;
+        /* If we're in loopback test, then pass the packet directly to the
+         * loopback layer, and free the rx_buf here
+         */
+        if (unlikely(efx->loopback_selftest)) {
+                efx_loopback_rx_packet(efx, rx_buf->data, rx_buf->len);
+                efx_free_rx_buffer(efx, rx_buf);
+                goto done;
+        }
        if (rx_buf->skb) {
                prefetch(skb_shinfo(rx_buf->skb));
@@ -736,7 +746,6 @@ void __efx_rx_packet(struct efx_channel *channel,
        /* Update allocation strategy method */
        channel->rx_alloc_level += RX_ALLOC_FACTOR_SKB;
-        /* fall-thru */
 done:
        efx->net_dev->last_rx = jiffies;
 }
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
new file mode 100644
index 000000000000..cbda15946e8f
--- /dev/null
+++ b/drivers/net/sfc/selftest.c
@@ -0,0 +1,717 @@
+/****************************************************************************
+ * Driver for Solarflare Solarstorm network controllers and boards
+ * Copyright 2005-2006 Fen Systems Ltd.
+ * Copyright 2006-2008 Solarflare Communications Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, incorporated herein by reference.
+ */
+#include <linux/netdevice.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/kernel_stat.h>
+#include <linux/pci.h>
+#include <linux/ethtool.h>
+#include <linux/ip.h>
+#include <linux/in.h>
+#include <linux/udp.h>
+#include <linux/rtnetlink.h>
+#include <asm/io.h>
+#include "net_driver.h"
+#include "ethtool.h"
+#include "efx.h"
+#include "falcon.h"
+#include "selftest.h"
+#include "boards.h"
+#include "workarounds.h"
+#include "mac.h"
+/*
+ * Loopback test packet structure
+ *
+ * The self-test should stress every RSS vector, and unfortunately
+ * Falcon only performs RSS on TCP/UDP packets.
+ */
+struct efx_loopback_payload {
+        struct ethhdr header;
+        struct iphdr ip;
+        struct udphdr udp;
+        __be16 iteration;
+        const char msg[64];
+} __attribute__ ((packed));
+/* Loopback test source MAC address */
+static const unsigned char payload_source[ETH_ALEN] = {
+        0x00, 0x0f, 0x53, 0x1b, 0x1b, 0x1b,
+};
+static const char *payload_msg =
+        "Hello world! This is an Efx loopback test in progress!";
+/**
+ * efx_selftest_state - persistent state during a selftest
+ * @flush:              Drop all packets in efx_loopback_rx_packet
+ * @packet_count:       Number of packets being used in this test
+ * @skbs:               An array of skbs transmitted
+ * @rx_good:            RX good packet count
+ * @rx_bad:             RX bad packet count
+ * @payload:            Payload used in tests
+ */
+struct efx_selftest_state {
+        int flush;
+        int packet_count;
+        struct sk_buff **skbs;
+        atomic_t rx_good;
+        atomic_t rx_bad;
+        struct efx_loopback_payload payload;
+};
+/**************************************************************************
+ *
+ * Configurable values
+ *
+ **************************************************************************/
+/* Level of loopback testing
+ *
+ * The maximum packet burst length is 16**(n-1), i.e.
+ *
+ * - Level 0 : no packets
+ * - Level 1 : 1 packet
+ * - Level 2 : 17 packets (1 * 1 packet, 1 * 16 packets)
+ * - Level 3 : 273 packets (1 * 1 packet, 1 * 16 packet, 1 * 256 packets)
+ *
+ */
+static unsigned int loopback_test_level = 3;
+/**************************************************************************
+ *
+ * Interrupt and event queue testing
+ *
+ **************************************************************************/
+/* Test generation and receipt of interrupts */
+static int efx_test_interrupts(struct efx_nic *efx,
+                               struct efx_self_tests *tests)
+{
+        struct efx_channel *channel;
+        EFX_LOG(efx, "testing interrupts\n");
+        tests->interrupt = -1;
+        /* Reset interrupt flag */
+        efx->last_irq_cpu = -1;
+        smp_wmb();
+        /* ACK each interrupting event queue. Receiving an interrupt due to
+         * traffic before a test event is raised is considered a pass */
+        efx_for_each_channel_with_interrupt(channel, efx) {
+                if (channel->work_pending)
+                        efx_process_channel_now(channel);
+                if (efx->last_irq_cpu >= 0)
+                        goto success;
+        }
+        falcon_generate_interrupt(efx);
+        /* Wait for arrival of test interrupt. */
+        EFX_LOG(efx, "waiting for test interrupt\n");
+        schedule_timeout_uninterruptible(HZ / 10);
+        if (efx->last_irq_cpu >= 0)
+                goto success;
+        EFX_ERR(efx, "timed out waiting for interrupt\n");
+        return -ETIMEDOUT;
+ success:
+        EFX_LOG(efx, "test interrupt (mode %d) seen on CPU%d\n",
+                efx->interrupt_mode, efx->last_irq_cpu);
+        tests->interrupt = 1;
+        return 0;
+}
+/* Test generation and receipt of non-interrupting events */
+static int efx_test_eventq(struct efx_channel *channel,
+                           struct efx_self_tests *tests)
+{
+        unsigned int magic;
+        /* Channel specific code, limited to 20 bits */
+        magic = (0x00010150 + channel->channel);
+        EFX_LOG(channel->efx, "channel %d testing event queue with code %x\n",
+                channel->channel, magic);
+        tests->eventq_dma[channel->channel] = -1;
+        tests->eventq_int[channel->channel] = 1;        /* fake pass */
+        tests->eventq_poll[channel->channel] = 1;       /* fake pass */
+        /* Reset flag and zero magic word */
+        channel->efx->last_irq_cpu = -1;
+        channel->eventq_magic = 0;
+        smp_wmb();
+        falcon_generate_test_event(channel, magic);
+        udelay(1);
+        efx_process_channel_now(channel);
+        if (channel->eventq_magic != magic) {
+                EFX_ERR(channel->efx, "channel %d  failed to see test event\n",
+                        channel->channel);
+                return -ETIMEDOUT;
+        } else {
+                tests->eventq_dma[channel->channel] = 1;
+        }
+        return 0;
+}
+/* Test generation and receipt of interrupting events */
+static int efx_test_eventq_irq(struct efx_channel *channel,
+                               struct efx_self_tests *tests)
+{
+        unsigned int magic, count;
+        /* Channel specific code, limited to 20 bits */
+        magic = (0x00010150 + channel->channel);
+        EFX_LOG(channel->efx, "channel %d testing event queue with code %x\n",
+                channel->channel, magic);
+        tests->eventq_dma[channel->channel] = -1;
+        tests->eventq_int[channel->channel] = -1;
+        tests->eventq_poll[channel->channel] = -1;
+        /* Reset flag and zero magic word */
+        channel->efx->last_irq_cpu = -1;
+        channel->eventq_magic = 0;
+        smp_wmb();
+        falcon_generate_test_event(channel, magic);
+        /* Wait for arrival of interrupt */
+        count = 0;
+        do {
+                schedule_timeout_uninterruptible(HZ / 100);
+                if (channel->work_pending)
+                        efx_process_channel_now(channel);
+                if (channel->eventq_magic == magic)
+                        goto eventq_ok;
+        } while (++count < 2);
+        EFX_ERR(channel->efx, "channel %d timed out waiting for event queue\n",
+                channel->channel);
+        /* See if interrupt arrived */
+        if (channel->efx->last_irq_cpu >= 0) {
+                EFX_ERR(channel->efx, "channel %d saw interrupt on CPU%d "
+                        "during event queue test\n", channel->channel,
+                        raw_smp_processor_id());
+                tests->eventq_int[channel->channel] = 1;
+        }
+        /* Check to see if event was received even if interrupt wasn't */
+        efx_process_channel_now(channel);
+        if (channel->eventq_magic == magic) {
+                EFX_ERR(channel->efx, "channel %d event was generated, but "
+                        "failed to trigger an interrupt\n", channel->channel);
+                tests->eventq_dma[channel->channel] = 1;
+        }
+        return -ETIMEDOUT;
+ eventq_ok:
+        EFX_LOG(channel->efx, "channel %d event queue passed\n",
+                channel->channel);
+        tests->eventq_dma[channel->channel] = 1;
+        tests->eventq_int[channel->channel] = 1;
+        tests->eventq_poll[channel->channel] = 1;
+        return 0;
+}
+/**************************************************************************
+ *
+ * PHY testing
+ *
+ **************************************************************************/
+/* Check PHY presence by reading the PHY ID registers */
+static int efx_test_phy(struct efx_nic *efx,
+                        struct efx_self_tests *tests)
+{
+        u16 physid1, physid2;
+        struct mii_if_info *mii = &efx->mii;
+        struct net_device *net_dev = efx->net_dev;
+        if (efx->phy_type == PHY_TYPE_NONE)
+                return 0;
+        EFX_LOG(efx, "testing PHY presence\n");
+        tests->phy_ok = -1;
+        physid1 = mii->mdio_read(net_dev, mii->phy_id, MII_PHYSID1);
+        physid2 = mii->mdio_read(net_dev, mii->phy_id, MII_PHYSID2);
+        if ((physid1 != 0x0000) && (physid1 != 0xffff) &&
+            (physid2 != 0x0000) && (physid2 != 0xffff)) {
+                EFX_LOG(efx, "found MII PHY %d ID 0x%x:%x\n",
+                        mii->phy_id, physid1, physid2);
+                tests->phy_ok = 1;
+                return 0;
+        }
+        EFX_ERR(efx, "no MII PHY present with ID %d\n", mii->phy_id);
+        return -ENODEV;
+}
+/**************************************************************************
+ *
+ * Loopback testing
+ * NB Only one loopback test can be executing concurrently.
+ *
+ **************************************************************************/
+/* Loopback test RX callback
+ * This is called for each received packet during loopback testing.
+ */
+void efx_loopback_rx_packet(struct efx_nic *efx,
+                            const char *buf_ptr, int pkt_len)
+{
+        struct efx_selftest_state *state = efx->loopback_selftest;
+        struct efx_loopback_payload *received;
+        struct efx_loopback_payload *payload;
+        BUG_ON(!buf_ptr);
+        /* If we are just flushing, then drop the packet */
+        if ((state == NULL) || state->flush)
+                return;
+        payload = &state->payload;
+        
+        received = (struct efx_loopback_payload *)(char *) buf_ptr;
+        received->ip.saddr = payload->ip.saddr;
+        received->ip.check = payload->ip.check;
+        
+        /* Check that header exists */
+        if (pkt_len < sizeof(received->header)) {
+                EFX_ERR(efx, "saw runt RX packet (length %d) in %s loopback "
+                        "test\n", pkt_len, LOOPBACK_MODE(efx));
+                goto err;
+        }
+        /* Check that the ethernet header exists */
+        if (memcmp(&received->header, &payload->header, ETH_HLEN) != 0) {
+                EFX_ERR(efx, "saw non-loopback RX packet in %s loopback test\n",
+                        LOOPBACK_MODE(efx));
+                goto err;
+        }
+        /* Check packet length */
+        if (pkt_len != sizeof(*payload)) {
+                EFX_ERR(efx, "saw incorrect RX packet length %d (wanted %d) in "
+                        "%s loopback test\n", pkt_len, (int)sizeof(*payload),
+                        LOOPBACK_MODE(efx));
+                goto err;
+        }
+        /* Check that IP header matches */
+        if (memcmp(&received->ip, &payload->ip, sizeof(payload->ip)) != 0) {
+                EFX_ERR(efx, "saw corrupted IP header in %s loopback test\n",
+                        LOOPBACK_MODE(efx));
+                goto err;
+        }
+        /* Check that msg and padding matches */
+        if (memcmp(&received->msg, &payload->msg, sizeof(received->msg)) != 0) {
+                EFX_ERR(efx, "saw corrupted RX packet in %s loopback test\n",
+                        LOOPBACK_MODE(efx));
+                goto err;
+        }
+        /* Check that iteration matches */
+        if (received->iteration != payload->iteration) {
+                EFX_ERR(efx, "saw RX packet from iteration %d (wanted %d) in "
+                        "%s loopback test\n", ntohs(received->iteration),
+                        ntohs(payload->iteration), LOOPBACK_MODE(efx));
+                goto err;
+        }
+        /* Increase correct RX count */
+        EFX_TRACE(efx, "got loopback RX in %s loopback test\n",
+                  LOOPBACK_MODE(efx));
+        atomic_inc(&state->rx_good);
+        return;
+ err:
+#ifdef EFX_ENABLE_DEBUG
+        if (atomic_read(&state->rx_bad) == 0) {
+                EFX_ERR(efx, "received packet:\n");
+                print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 0x10, 1,
+                               buf_ptr, pkt_len, 0);
+                EFX_ERR(efx, "expected packet:\n");
+                print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 0x10, 1,
+                               &state->payload, sizeof(state->payload), 0);
+        }
+#endif
+        atomic_inc(&state->rx_bad);
+}
+/* Initialise an efx_selftest_state for a new iteration */
+static void efx_iterate_state(struct efx_nic *efx)
+{
+        struct efx_selftest_state *state = efx->loopback_selftest;
+        struct net_device *net_dev = efx->net_dev;
+        struct efx_loopback_payload *payload = &state->payload;
+        /* Initialise the layerII header */
+        memcpy(&payload->header.h_dest, net_dev->dev_addr, ETH_ALEN);
+        memcpy(&payload->header.h_source, &payload_source, ETH_ALEN);
+        payload->header.h_proto = htons(ETH_P_IP);
+        /* saddr set later and used as incrementing count */
+        payload->ip.daddr = htonl(INADDR_LOOPBACK);
+        payload->ip.ihl = 5;
+        payload->ip.check = htons(0xdead);
+        payload->ip.tot_len = htons(sizeof(*payload) - sizeof(struct ethhdr));
+        payload->ip.version = IPVERSION;
+        payload->ip.protocol = IPPROTO_UDP;
+        /* Initialise udp header */
+        payload->udp.source = 0;
+        payload->udp.len = htons(sizeof(*payload) - sizeof(struct ethhdr) -
+                                 sizeof(struct iphdr));
+        payload->udp.check = 0; /* checksum ignored */
+        /* Fill out payload */
+        payload->iteration = htons(ntohs(payload->iteration) + 1);
+        memcpy(&payload->msg, payload_msg, sizeof(payload_msg));
+        /* Fill out remaining state members */
+        atomic_set(&state->rx_good, 0);
+        atomic_set(&state->rx_bad, 0);
+        smp_wmb();
+}
+static int efx_tx_loopback(struct efx_tx_queue *tx_queue)
+{
+        struct efx_nic *efx = tx_queue->efx;
+        struct efx_selftest_state *state = efx->loopback_selftest;
+        struct efx_loopback_payload *payload;
+        struct sk_buff *skb;
+        int i, rc;
+        /* Transmit N copies of buffer */
+        for (i = 0; i < state->packet_count; i++) {
+                /* Allocate an skb, holding an extra reference for 
+                 * transmit completion counting */
+                skb = alloc_skb(sizeof(state->payload), GFP_KERNEL);
+                if (!skb)
+                        return -ENOMEM;
+                state->skbs[i] = skb;
+                skb_get(skb);
+                /* Copy the payload in, incrementing the source address to
+                 * exercise the rss vectors */
+                payload = ((struct efx_loopback_payload *)
+                           skb_put(skb, sizeof(state->payload)));
+                memcpy(payload, &state->payload, sizeof(state->payload));
+                payload->ip.saddr = htonl(INADDR_LOOPBACK | (i << 2));
+                /* Ensure everything we've written is visible to the
+                 * interrupt handler. */
+                smp_wmb();
+                if (NET_DEV_REGISTERED(efx))
+                        netif_tx_lock_bh(efx->net_dev);
+                rc = efx_xmit(efx, tx_queue, skb);
+                if (NET_DEV_REGISTERED(efx))
+                        netif_tx_unlock_bh(efx->net_dev);
+                if (rc != NETDEV_TX_OK) {
+                        EFX_ERR(efx, "TX queue %d could not transmit packet %d "
+                                "of %d in %s loopback test\n", tx_queue->queue,
+                                i + 1, state->packet_count, LOOPBACK_MODE(efx));
+                        /* Defer cleaning up the other skbs for the caller */
+                        kfree_skb(skb);
+                        return -EPIPE;
+                }
+        }
+        return 0;
+}
+static int efx_rx_loopback(struct efx_tx_queue *tx_queue,
+                           struct efx_loopback_self_tests *lb_tests)
+{
+        struct efx_nic *efx = tx_queue->efx;
+        struct efx_selftest_state *state = efx->loopback_selftest;
+        struct sk_buff *skb;
+        int tx_done = 0, rx_good, rx_bad;
+        int i, rc = 0;
+        if (NET_DEV_REGISTERED(efx))
+                netif_tx_lock_bh(efx->net_dev);
+        /* Count the number of tx completions, and decrement the refcnt. Any
+         * skbs not already completed will be free'd when the queue is flushed */
+        for (i=0; i < state->packet_count; i++) {
+                skb = state->skbs[i];
+                if (skb && !skb_shared(skb))
+                        ++tx_done;
+                dev_kfree_skb_any(skb);
+        }
+        if (NET_DEV_REGISTERED(efx))
+                netif_tx_unlock_bh(efx->net_dev);
+        /* Check TX completion and received packet counts */
+        rx_good = atomic_read(&state->rx_good);
+        rx_bad = atomic_read(&state->rx_bad);
+        if (tx_done != state->packet_count) {
+                /* Don't free the skbs; they will be picked up on TX
+                 * overflow or channel teardown.
+                 */
+                EFX_ERR(efx, "TX queue %d saw only %d out of an expected %d "
+                        "TX completion events in %s loopback test\n",
+                        tx_queue->queue, tx_done, state->packet_count,
+                        LOOPBACK_MODE(efx));
+                rc = -ETIMEDOUT;
+                /* Allow to fall through so we see the RX errors as well */
+        }
+        /* We may always be up to a flush away from our desired packet total */
+        if (rx_good != state->packet_count) {
+                EFX_LOG(efx, "TX queue %d saw only %d out of an expected %d "
+                        "received packets in %s loopback test\n",
+                        tx_queue->queue, rx_good, state->packet_count,
+                        LOOPBACK_MODE(efx));
+                rc = -ETIMEDOUT;
+                /* Fall through */
+        }
+        /* Update loopback test structure */
+        lb_tests->tx_sent[tx_queue->queue] += state->packet_count;
+        lb_tests->tx_done[tx_queue->queue] += tx_done;
+        lb_tests->rx_good += rx_good;
+        lb_tests->rx_bad += rx_bad;
+        return rc;
+}
+static int
+efx_test_loopback(struct efx_tx_queue *tx_queue,
+                  struct efx_loopback_self_tests *lb_tests)
+{
+        struct efx_nic *efx = tx_queue->efx;
+        struct efx_selftest_state *state = efx->loopback_selftest;
+        struct efx_channel *channel;
+        int i, rc = 0;
+        for (i = 0; i < loopback_test_level; i++) {
+                /* Determine how many packets to send */
+                state->packet_count = (efx->type->txd_ring_mask + 1) / 3;
+                state->packet_count = min(1 << (i << 2), state->packet_count);
+                state->skbs = kzalloc(sizeof(state->skbs[0]) *
+                                      state->packet_count, GFP_KERNEL);
+                state->flush = 0;
+                EFX_LOG(efx, "TX queue %d testing %s loopback with %d "
+                        "packets\n", tx_queue->queue, LOOPBACK_MODE(efx),
+                        state->packet_count);
+                efx_iterate_state(efx);
+                rc = efx_tx_loopback(tx_queue);
+                
+                /* NAPI polling is not enabled, so process channels synchronously */
+                schedule_timeout_uninterruptible(HZ / 50);
+                efx_for_each_channel_with_interrupt(channel, efx) {
+                        if (channel->work_pending)
+                                efx_process_channel_now(channel);
+                }
+                rc |= efx_rx_loopback(tx_queue, lb_tests);
+                kfree(state->skbs);
+                if (rc) {
+                        /* Wait a while to ensure there are no packets
+                         * floating around after a failure. */
+                        schedule_timeout_uninterruptible(HZ / 10);
+                        return rc;
+                }
+        }
+        EFX_LOG(efx, "TX queue %d passed %s loopback test with a burst length "
+                "of %d packets\n", tx_queue->queue, LOOPBACK_MODE(efx),
+                state->packet_count);
+        return rc;
+}
+static int efx_test_loopbacks(struct efx_nic *efx,
+                              struct efx_self_tests *tests,
+                              unsigned int loopback_modes)
+{
+        struct efx_selftest_state *state = efx->loopback_selftest;
+        struct ethtool_cmd ecmd, ecmd_loopback;
+        struct efx_tx_queue *tx_queue;
+        enum efx_loopback_mode old_mode, mode;
+        int count, rc = 0, link_up;
+        
+        rc = efx_ethtool_get_settings(efx->net_dev, &ecmd);
+        if (rc) {
+                EFX_ERR(efx, "could not get GMII settings\n");
+                return rc;
+        }
+        old_mode = efx->loopback_mode;
+        /* Disable autonegotiation for the purposes of loopback */
+        memcpy(&ecmd_loopback, &ecmd, sizeof(ecmd_loopback));
+        if (ecmd_loopback.autoneg == AUTONEG_ENABLE) {
+                ecmd_loopback.autoneg = AUTONEG_DISABLE;
+                ecmd_loopback.duplex = DUPLEX_FULL;
+                ecmd_loopback.speed = SPEED_10000;
+        }
+        rc = efx_ethtool_set_settings(efx->net_dev, &ecmd_loopback);
+        if (rc) {
+                EFX_ERR(efx, "could not disable autonegotiation\n");
+                goto out;
+        }
+        tests->loopback_speed = ecmd_loopback.speed;
+        tests->loopback_full_duplex = ecmd_loopback.duplex;
+        /* Test all supported loopback modes */
+        for (mode = LOOPBACK_NONE; mode < LOOPBACK_TEST_MAX; mode++) {
+                if (!(loopback_modes & (1 << mode)))
+                        continue;
+                /* Move the port into the specified loopback mode. */
+                state->flush = 1;
+                efx->loopback_mode = mode;
+                efx_reconfigure_port(efx);
+                /* Wait for the PHY to signal the link is up */
+                count = 0;
+                do {
+                        struct efx_channel *channel = &efx->channel[0];
+                        falcon_check_xmac(efx);
+                        schedule_timeout_uninterruptible(HZ / 10);
+                        if (channel->work_pending)
+                                efx_process_channel_now(channel);
+                        /* Wait for PHY events to be processed */
+                        flush_workqueue(efx->workqueue);
+                        rmb();
+                        /* efx->link_up can be 1 even if the XAUI link is down,
+                         * (bug5762). Usually, it's not worth bothering with the
+                         * difference, but for selftests, we need that extra
+                         * guarantee that the link is really, really, up.
+                         */
+                        link_up = efx->link_up;
+                        if (!falcon_xaui_link_ok(efx))
+                                link_up = 0;
+                } while ((++count < 20) && !link_up);
+                /* The link should now be up. If it isn't, there is no point
+                 * in attempting a loopback test */
+                if (!link_up) {
+                        EFX_ERR(efx, "loopback %s never came up\n",
+                                LOOPBACK_MODE(efx));
+                        rc = -EIO;
+                        goto out;
+                }
+                EFX_LOG(efx, "link came up in %s loopback in %d iterations\n",
+                        LOOPBACK_MODE(efx), count);
+                /* Test every TX queue */
+                efx_for_each_tx_queue(tx_queue, efx) {
+                        rc |= efx_test_loopback(tx_queue,
+                                                &tests->loopback[mode]);
+                        if (rc)
+                                goto out;
+                }
+        }
+ out:
+        /* Take out of loopback and restore PHY settings */
+        state->flush = 1;
+        efx->loopback_mode = old_mode;
+        efx_ethtool_set_settings(efx->net_dev, &ecmd);
+        return rc;
+}
+/**************************************************************************
+ *
+ * Entry points
+ *
+ *************************************************************************/
+/* Online (i.e. non-disruptive) testing
+ * This checks interrupt generation, event delivery and PHY presence. */
+int efx_online_test(struct efx_nic *efx, struct efx_self_tests *tests)
+{
+        struct efx_channel *channel;
+        int rc = 0;
+        EFX_LOG(efx, "performing online self-tests\n");
+        rc |= efx_test_interrupts(efx, tests);
+        efx_for_each_channel(channel, efx) {
+                if (channel->has_interrupt)
+                        rc |= efx_test_eventq_irq(channel, tests);
+                else
+                        rc |= efx_test_eventq(channel, tests);
+        }
+        rc |= efx_test_phy(efx, tests);
+        if (rc)
+                EFX_ERR(efx, "failed online self-tests\n");
+        return rc;
+}
+/* Offline (i.e. disruptive) testing
+ * This checks MAC and PHY loopback on the specified port. */
+int efx_offline_test(struct efx_nic *efx,
+                     struct efx_self_tests *tests, unsigned int loopback_modes)
+{
+        struct efx_selftest_state *state;
+        int rc = 0;
+        EFX_LOG(efx, "performing offline self-tests\n");
+        /* Create a selftest_state structure to hold state for the test */
+        state = kzalloc(sizeof(*state), GFP_KERNEL);
+        if (state == NULL) {
+                rc = -ENOMEM;
+                goto out;
+        }
+        /* Set the port loopback_selftest member. From this point on
+         * all received packets will be dropped. Mark the state as
+         * "flushing" so all inflight packets are dropped */
+        BUG_ON(efx->loopback_selftest);
+        state->flush = 1;
+        efx->loopback_selftest = (void *)state;
+        rc = efx_test_loopbacks(efx, tests, loopback_modes);
+        efx->loopback_selftest = NULL;
+        wmb();
+        kfree(state);
+ out:
+        if (rc)
+                EFX_ERR(efx, "failed offline self-tests\n");
+        return rc;
+}
diff --git a/drivers/net/sfc/selftest.h b/drivers/net/sfc/selftest.h
new file mode 100644
index 000000000000..f6999c2b622d
--- /dev/null
+++ b/drivers/net/sfc/selftest.h
@@ -0,0 +1,50 @@
+/****************************************************************************
+ * Driver for Solarflare Solarstorm network controllers and boards
+ * Copyright 2005-2006 Fen Systems Ltd.
+ * Copyright 2006-2008 Solarflare Communications Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, incorporated herein by reference.
+ */
+#ifndef EFX_SELFTEST_H
+#define EFX_SELFTEST_H
+#include "net_driver.h"
+/*
+ * Self tests
+ */
+struct efx_loopback_self_tests {
+        int tx_sent[EFX_MAX_TX_QUEUES];
+        int tx_done[EFX_MAX_TX_QUEUES];
+        int rx_good;
+        int rx_bad;
+};
+/* Efx self test results
+ * For fields which are not counters, 1 indicates success and -1
+ * indicates failure.
+ */
+struct efx_self_tests {
+        int interrupt;
+        int eventq_dma[EFX_MAX_CHANNELS];
+        int eventq_int[EFX_MAX_CHANNELS];
+        int eventq_poll[EFX_MAX_CHANNELS];
+        int phy_ok;
+        int loopback_speed;
+        int loopback_full_duplex;
+        struct efx_loopback_self_tests loopback[LOOPBACK_TEST_MAX];
+};
+extern void efx_loopback_rx_packet(struct efx_nic *efx,
+                                   const char *buf_ptr, int pkt_len);
+extern int efx_online_test(struct efx_nic *efx,
+                           struct efx_self_tests *tests);
+extern int efx_offline_test(struct efx_nic *efx,
+                            struct efx_self_tests *tests,
+                            unsigned int loopback_modes);
+#endif /* EFX_SELFTEST_H */
diff --git a/drivers/net/sfc/sfe4001.c b/drivers/net/sfc/sfe4001.c
index 11fa9fb8f48b..725d1a539c49 100644
--- a/drivers/net/sfc/sfe4001.c
+++ b/drivers/net/sfc/sfe4001.c
@@ -130,6 +130,15 @@ void sfe4001_poweroff(struct efx_nic *efx)
        (void) efx_i2c_read(i2c, MAX6647, RSL, &in, 1);
 }
+/* The P0_EN_3V3X line on SFE4001 boards (from A2 onward) is connected
+ * to the FLASH_CFG_1 input on the DSP.  We must keep it high at power-
+ * up to allow writing the flash (done through MDIO from userland).
+ */
+unsigned int sfe4001_phy_flash_cfg;
+module_param_named(phy_flash_cfg, sfe4001_phy_flash_cfg, uint, 0444);
+MODULE_PARM_DESC(phy_flash_cfg,
+                 "Force PHY to enter flash configuration mode");
 /* This board uses an I2C expander to provider power to the PHY, which needs to
 * be turned on before the PHY can be used.
 * Context: Process context, rtnl lock held
@@ -203,6 +212,8 @@ int sfe4001_poweron(struct efx_nic *efx)
                out = 0xff & ~((1 << P0_EN_1V2_LBN) | (1 << P0_EN_2V5_LBN) |
                               (1 << P0_EN_3V3X_LBN) | (1 << P0_EN_5V_LBN) |
                               (1 << P0_X_TRST_LBN));
+                if (sfe4001_phy_flash_cfg)
+                        out |= 1 << P0_EN_3V3X_LBN;
                rc = efx_i2c_write(i2c, PCA9539, P0_OUT, &out, 1);
                if (rc)
@@ -226,6 +237,9 @@ int sfe4001_poweron(struct efx_nic *efx)
                if (in & (1 << P1_AFE_PWD_LBN))
                        goto done;
+                /* DSP doesn't look powered in flash config mode */
+                if (sfe4001_phy_flash_cfg)
+                        goto done;
        } while (++count < 20);
        EFX_INFO(efx, "timed out waiting for power\n");
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index a2e9f79e47b1..b1cd6deec01f 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -24,6 +24,11 @@
                                 MDIO_MMDREG_DEVS0_PCS    | \
                                 MDIO_MMDREG_DEVS0_PHYXS)
+#define TENXPRESS_LOOPBACKS ((1 << LOOPBACK_PHYXS) |    \
+                             (1 << LOOPBACK_PCS) |      \
+                             (1 << LOOPBACK_PMAPMD) |   \
+                             (1 << LOOPBACK_NETWORK))
 /* We complain if we fail to see the link partner as 10G capable this many
 * times in a row (must be > 1 as sampling the autoneg. registers is racy)
 */
@@ -72,6 +77,10 @@
 #define PMA_PMD_BIST_RXD_LBN    (1)
 #define PMA_PMD_BIST_AFE_LBN    (0)
+/* Special Software reset register */
+#define PMA_PMD_EXT_CTRL_REG 49152
+#define PMA_PMD_EXT_SSR_LBN 15
 #define BIST_MAX_DELAY  (1000)
 #define BIST_POLL_DELAY (10)
@@ -86,6 +95,11 @@
 #define PCS_TEST_SELECT_REG 0xd807      /* PRM 10.5.8 */
 #define CLK312_EN_LBN 3
+/* PHYXS registers */
+#define PHYXS_TEST1         (49162)
+#define LOOPBACK_NEAR_LBN   (8)
+#define LOOPBACK_NEAR_WIDTH (1)
 /* Boot status register */
 #define PCS_BOOT_STATUS_REG     (0xd000)
 #define PCS_BOOT_FATAL_ERR_LBN  (0)
@@ -106,7 +120,9 @@ MODULE_PARM_DESC(crc_error_reset_threshold,
 struct tenxpress_phy_data {
        enum tenxpress_state state;
+        enum efx_loopback_mode loopback_mode;
        atomic_t bad_crc_count;
+        int tx_disabled;
        int bad_lp_tries;
 };
@@ -199,10 +215,12 @@ static int tenxpress_phy_init(struct efx_nic *efx)
        tenxpress_set_state(efx, TENXPRESS_STATUS_NORMAL);
-        rc = mdio_clause45_wait_reset_mmds(efx,
+        if (!sfe4001_phy_flash_cfg) {
-                                           TENXPRESS_REQUIRED_DEVS);
+                rc = mdio_clause45_wait_reset_mmds(efx,
-        if (rc < 0)
+                                                   TENXPRESS_REQUIRED_DEVS);
-                goto fail;
+                if (rc < 0)
+                        goto fail;
+        }
        rc = mdio_clause45_check_mmds(efx, TENXPRESS_REQUIRED_DEVS, 0);
        if (rc < 0)
@@ -225,6 +243,35 @@ static int tenxpress_phy_init(struct efx_nic *efx)
        return rc;
 }
+static int tenxpress_special_reset(struct efx_nic *efx)
+{
+        int rc, reg;
+        EFX_TRACE(efx, "%s\n", __func__);
+        /* Initiate reset */
+        reg = mdio_clause45_read(efx, efx->mii.phy_id,
+                                 MDIO_MMD_PMAPMD, PMA_PMD_EXT_CTRL_REG);
+        reg |= (1 << PMA_PMD_EXT_SSR_LBN);
+        mdio_clause45_write(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD,
+                            PMA_PMD_EXT_CTRL_REG, reg);
+        msleep(200);
+        /* Wait for the blocks to come out of reset */
+        rc = mdio_clause45_wait_reset_mmds(efx,
+                                           TENXPRESS_REQUIRED_DEVS);
+        if (rc < 0)
+                return rc;
+        /* Try and reconfigure the device */
+        rc = tenxpress_init(efx);
+        if (rc < 0)
+                return rc;
+        return 0;
+}
 static void tenxpress_set_bad_lp(struct efx_nic *efx, int bad_lp)
 {
        struct tenxpress_phy_data *pd = efx->phy_data;
@@ -299,11 +346,46 @@ static int tenxpress_link_ok(struct efx_nic *efx, int check_lp)
        return ok;
 }
+static void tenxpress_phyxs_loopback(struct efx_nic *efx)
+{
+        int phy_id = efx->mii.phy_id;
+        int ctrl1, ctrl2;
+        ctrl1 = ctrl2 = mdio_clause45_read(efx, phy_id, MDIO_MMD_PHYXS,
+                                           PHYXS_TEST1);
+        if (efx->loopback_mode == LOOPBACK_PHYXS)
+                ctrl2 |= (1 << LOOPBACK_NEAR_LBN);
+        else
+                ctrl2 &= ~(1 << LOOPBACK_NEAR_LBN);
+        if (ctrl1 != ctrl2)
+                mdio_clause45_write(efx, phy_id, MDIO_MMD_PHYXS,
+                                    PHYXS_TEST1, ctrl2);
+}
 static void tenxpress_phy_reconfigure(struct efx_nic *efx)
 {
+        struct tenxpress_phy_data *phy_data = efx->phy_data;
+        int loop_change = LOOPBACK_OUT_OF(phy_data, efx,
+                                          TENXPRESS_LOOPBACKS);
        if (!tenxpress_state_is(efx, TENXPRESS_STATUS_NORMAL))
                return;
+        /* When coming out of transmit disable, coming out of low power
+         * mode, or moving out of any PHY internal loopback mode,
+         * perform a special software reset */
+        if ((phy_data->tx_disabled && !efx->tx_disabled) ||
+            loop_change) {
+                (void) tenxpress_special_reset(efx);
+                falcon_reset_xaui(efx);
+        }
+        mdio_clause45_transmit_disable(efx);
+        mdio_clause45_phy_reconfigure(efx);
+        tenxpress_phyxs_loopback(efx);
+        phy_data->tx_disabled = efx->tx_disabled;
+        phy_data->loopback_mode = efx->loopback_mode;
        efx->link_up = tenxpress_link_ok(efx, 0);
        efx->link_options = GM_LPA_10000FULL;
 }
@@ -431,4 +513,5 @@ struct efx_phy_operations falcon_tenxpress_phy_ops = {
        .clear_interrupt  = tenxpress_phy_clear_interrupt,
        .reset_xaui       = tenxpress_reset_xaui,
        .mmds             = TENXPRESS_REQUIRED_DEVS,
+        .loopbacks        = TENXPRESS_LOOPBACKS,
 };
diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c
index fbb866b2185e..9b436f5b4888 100644
--- a/drivers/net/sfc/tx.c
+++ b/drivers/net/sfc/tx.c
@@ -82,6 +82,46 @@ static inline void efx_dequeue_buffer(struct efx_tx_queue *tx_queue,
        }
 }
+/**
+ * struct efx_tso_header - a DMA mapped buffer for packet headers
+ * @next: Linked list of free ones.
+ *      The list is protected by the TX queue lock.
+ * @dma_unmap_len: Length to unmap for an oversize buffer, or 0.
+ * @dma_addr: The DMA address of the header below.
+ *
+ * This controls the memory used for a TSO header.  Use TSOH_DATA()
+ * to find the packet header data.  Use TSOH_SIZE() to calculate the
+ * total size required for a given packet header length.  TSO headers
+ * in the free list are exactly %TSOH_STD_SIZE bytes in size.
+ */
+struct efx_tso_header {
+        union {
+                struct efx_tso_header *next;
+                size_t unmap_len;
+        };
+        dma_addr_t dma_addr;
+};
+static int efx_enqueue_skb_tso(struct efx_tx_queue *tx_queue,
+                               const struct sk_buff *skb);
+static void efx_fini_tso(struct efx_tx_queue *tx_queue);
+static void efx_tsoh_heap_free(struct efx_tx_queue *tx_queue,
+                               struct efx_tso_header *tsoh);
+static inline void efx_tsoh_free(struct efx_tx_queue *tx_queue,
+                                 struct efx_tx_buffer *buffer)
+{
+        if (buffer->tsoh) {
+                if (likely(!buffer->tsoh->unmap_len)) {
+                        buffer->tsoh->next = tx_queue->tso_headers_free;
+                        tx_queue->tso_headers_free = buffer->tsoh;
+                } else {
+                        efx_tsoh_heap_free(tx_queue, buffer->tsoh);
+                }
+                buffer->tsoh = NULL;
+        }
+}
 /*
 * Add a socket buffer to a TX queue
@@ -114,6 +154,9 @@ static inline int efx_enqueue_skb(struct efx_tx_queue *tx_queue,
        EFX_BUG_ON_PARANOID(tx_queue->write_count != tx_queue->insert_count);
+        if (skb_shinfo((struct sk_buff *)skb)->gso_size)
+                return efx_enqueue_skb_tso(tx_queue, skb);
        /* Get size of the initial fragment */
        len = skb_headlen(skb);
@@ -166,6 +209,8 @@ static inline int efx_enqueue_skb(struct efx_tx_queue *tx_queue,
                        insert_ptr = (tx_queue->insert_count &
                                      efx->type->txd_ring_mask);
                        buffer = &tx_queue->buffer[insert_ptr];
+                        efx_tsoh_free(tx_queue, buffer);
+                        EFX_BUG_ON_PARANOID(buffer->tsoh);
                        EFX_BUG_ON_PARANOID(buffer->skb);
                        EFX_BUG_ON_PARANOID(buffer->len);
                        EFX_BUG_ON_PARANOID(buffer->continuation != 1);
@@ -432,6 +477,9 @@ void efx_fini_tx_queue(struct efx_tx_queue *tx_queue)
        efx_release_tx_buffers(tx_queue);
+        /* Free up TSO header cache */
+        efx_fini_tso(tx_queue);
        /* Release queue's stop on port, if any */
        if (tx_queue->stopped) {
                tx_queue->stopped = 0;
@@ -450,3 +498,619 @@ void efx_remove_tx_queue(struct efx_tx_queue *tx_queue)
 }
+/* Efx TCP segmentation acceleration.
+ *
+ * Why?  Because by doing it here in the driver we can go significantly
+ * faster than the GSO.
+ *
+ * Requires TX checksum offload support.
+ */
+/* Number of bytes inserted at the start of a TSO header buffer,
+ * similar to NET_IP_ALIGN.
+ */
+#if defined(__i386__) || defined(__x86_64__)
+#define TSOH_OFFSET     0
+#else
+#define TSOH_OFFSET     NET_IP_ALIGN
+#endif
+#define TSOH_BUFFER(tsoh)       ((u8 *)(tsoh + 1) + TSOH_OFFSET)
+/* Total size of struct efx_tso_header, buffer and padding */
+#define TSOH_SIZE(hdr_len)                                      \
+        (sizeof(struct efx_tso_header) + TSOH_OFFSET + hdr_len)
+/* Size of blocks on free list.  Larger blocks must be allocated from
+ * the heap.
+ */
+#define TSOH_STD_SIZE           128
+#define PTR_DIFF(p1, p2)  ((u8 *)(p1) - (u8 *)(p2))
+#define ETH_HDR_LEN(skb)  (skb_network_header(skb) - (skb)->data)
+#define SKB_TCP_OFF(skb)  PTR_DIFF(tcp_hdr(skb), (skb)->data)
+#define SKB_IPV4_OFF(skb) PTR_DIFF(ip_hdr(skb), (skb)->data)
+/**
+ * struct tso_state - TSO state for an SKB
+ * @remaining_len: Bytes of data we've yet to segment
+ * @seqnum: Current sequence number
+ * @packet_space: Remaining space in current packet
+ * @ifc: Input fragment cursor.
+ *      Where we are in the current fragment of the incoming SKB.  These
+ *      values get updated in place when we split a fragment over
+ *      multiple packets.
+ * @p: Parameters.
+ *      These values are set once at the start of the TSO send and do
+ *      not get changed as the routine progresses.
+ *
+ * The state used during segmentation.  It is put into this data structure
+ * just to make it easy to pass into inline functions.
+ */
+struct tso_state {
+        unsigned remaining_len;
+        unsigned seqnum;
+        unsigned packet_space;
+        struct {
+                /* DMA address of current position */
+                dma_addr_t dma_addr;
+                /* Remaining length */
+                unsigned int len;
+                /* DMA address and length of the whole fragment */
+                unsigned int unmap_len;
+                dma_addr_t unmap_addr;
+                struct page *page;
+                unsigned page_off;
+        } ifc;
+        struct {
+                /* The number of bytes of header */
+                unsigned int header_length;
+                /* The number of bytes to put in each outgoing segment. */
+                int full_packet_size;
+                /* Current IPv4 ID, host endian. */
+                unsigned ipv4_id;
+        } p;
+};
+/*
+ * Verify that our various assumptions about sk_buffs and the conditions
+ * under which TSO will be attempted hold true.
+ */
+static inline void efx_tso_check_safe(const struct sk_buff *skb)
+{
+        EFX_BUG_ON_PARANOID(skb->protocol != htons(ETH_P_IP));
+        EFX_BUG_ON_PARANOID(((struct ethhdr *)skb->data)->h_proto !=
+                            skb->protocol);
+        EFX_BUG_ON_PARANOID(ip_hdr(skb)->protocol != IPPROTO_TCP);
+        EFX_BUG_ON_PARANOID((PTR_DIFF(tcp_hdr(skb), skb->data)
+                             + (tcp_hdr(skb)->doff << 2u)) >
+                            skb_headlen(skb));
+}
+/*
+ * Allocate a page worth of efx_tso_header structures, and string them
+ * into the tx_queue->tso_headers_free linked list. Return 0 or -ENOMEM.
+ */
+static int efx_tsoh_block_alloc(struct efx_tx_queue *tx_queue)
+{
+        struct pci_dev *pci_dev = tx_queue->efx->pci_dev;
+        struct efx_tso_header *tsoh;
+        dma_addr_t dma_addr;
+        u8 *base_kva, *kva;
+        base_kva = pci_alloc_consistent(pci_dev, PAGE_SIZE, &dma_addr);
+        if (base_kva == NULL) {
+                EFX_ERR(tx_queue->efx, "Unable to allocate page for TSO"
+                        " headers\n");
+                return -ENOMEM;
+        }
+        /* pci_alloc_consistent() allocates pages. */
+        EFX_BUG_ON_PARANOID(dma_addr & (PAGE_SIZE - 1u));
+        for (kva = base_kva; kva < base_kva + PAGE_SIZE; kva += TSOH_STD_SIZE) {
+                tsoh = (struct efx_tso_header *)kva;
+                tsoh->dma_addr = dma_addr + (TSOH_BUFFER(tsoh) - base_kva);
+                tsoh->next = tx_queue->tso_headers_free;
+                tx_queue->tso_headers_free = tsoh;
+        }
+        return 0;
+}
+/* Free up a TSO header, and all others in the same page. */
+static void efx_tsoh_block_free(struct efx_tx_queue *tx_queue,
+                                struct efx_tso_header *tsoh,
+                                struct pci_dev *pci_dev)
+{
+        struct efx_tso_header **p;
+        unsigned long base_kva;
+        dma_addr_t base_dma;
+        base_kva = (unsigned long)tsoh & PAGE_MASK;
+        base_dma = tsoh->dma_addr & PAGE_MASK;
+        p = &tx_queue->tso_headers_free;
+        while (*p != NULL)
+                if (((unsigned long)*p & PAGE_MASK) == base_kva)
+                        *p = (*p)->next;
+                else
+                        p = &(*p)->next;
+        pci_free_consistent(pci_dev, PAGE_SIZE, (void *)base_kva, base_dma);
+}
+static struct efx_tso_header *
+efx_tsoh_heap_alloc(struct efx_tx_queue *tx_queue, size_t header_len)
+{
+        struct efx_tso_header *tsoh;
+        tsoh = kmalloc(TSOH_SIZE(header_len), GFP_ATOMIC | GFP_DMA);
+        if (unlikely(!tsoh))
+                return NULL;
+        tsoh->dma_addr = pci_map_single(tx_queue->efx->pci_dev,
+                                        TSOH_BUFFER(tsoh), header_len,
+                                        PCI_DMA_TODEVICE);
+        if (unlikely(pci_dma_mapping_error(tsoh->dma_addr))) {
+                kfree(tsoh);
+                return NULL;
+        }
+        tsoh->unmap_len = header_len;
+        return tsoh;
+}
+static void
+efx_tsoh_heap_free(struct efx_tx_queue *tx_queue, struct efx_tso_header *tsoh)
+{
+        pci_unmap_single(tx_queue->efx->pci_dev,
+                         tsoh->dma_addr, tsoh->unmap_len,
+                         PCI_DMA_TODEVICE);
+        kfree(tsoh);
+}
+/**
+ * efx_tx_queue_insert - push descriptors onto the TX queue
+ * @tx_queue:           Efx TX queue
+ * @dma_addr:           DMA address of fragment
+ * @len:                Length of fragment
+ * @skb:                Only non-null for end of last segment
+ * @end_of_packet:      True if last fragment in a packet
+ * @unmap_addr:         DMA address of fragment for unmapping
+ * @unmap_len:          Only set this in last segment of a fragment
+ *
+ * Push descriptors onto the TX queue.  Return 0 on success or 1 if
+ * @tx_queue full.
+ */
+static int efx_tx_queue_insert(struct efx_tx_queue *tx_queue,
+                               dma_addr_t dma_addr, unsigned len,
+                               const struct sk_buff *skb, int end_of_packet,
+                               dma_addr_t unmap_addr, unsigned unmap_len)
+{
+        struct efx_tx_buffer *buffer;
+        struct efx_nic *efx = tx_queue->efx;
+        unsigned dma_len, fill_level, insert_ptr, misalign;
+        int q_space;
+        EFX_BUG_ON_PARANOID(len <= 0);
+        fill_level = tx_queue->insert_count - tx_queue->old_read_count;
+        /* -1 as there is no way to represent all descriptors used */
+        q_space = efx->type->txd_ring_mask - 1 - fill_level;
+        while (1) {
+                if (unlikely(q_space-- <= 0)) {
+                        /* It might be that completions have happened
+                         * since the xmit path last checked.  Update
+                         * the xmit path's copy of read_count.
+                         */
+                        ++tx_queue->stopped;
+                        /* This memory barrier protects the change of
+                         * stopped from the access of read_count. */
+                        smp_mb();
+                        tx_queue->old_read_count =
+                                *(volatile unsigned *)&tx_queue->read_count;
+                        fill_level = (tx_queue->insert_count
+                                      - tx_queue->old_read_count);
+                        q_space = efx->type->txd_ring_mask - 1 - fill_level;
+                        if (unlikely(q_space-- <= 0))
+                                return 1;
+                        smp_mb();
+                        --tx_queue->stopped;
+                }
+                insert_ptr = tx_queue->insert_count & efx->type->txd_ring_mask;
+                buffer = &tx_queue->buffer[insert_ptr];
+                ++tx_queue->insert_count;
+                EFX_BUG_ON_PARANOID(tx_queue->insert_count -
+                                    tx_queue->read_count >
+                                    efx->type->txd_ring_mask);
+                efx_tsoh_free(tx_queue, buffer);
+                EFX_BUG_ON_PARANOID(buffer->len);
+                EFX_BUG_ON_PARANOID(buffer->unmap_len);
+                EFX_BUG_ON_PARANOID(buffer->skb);
+                EFX_BUG_ON_PARANOID(buffer->continuation != 1);
+                EFX_BUG_ON_PARANOID(buffer->tsoh);
+                buffer->dma_addr = dma_addr;
+                /* Ensure we do not cross a boundary unsupported by H/W */
+                dma_len = (~dma_addr & efx->type->tx_dma_mask) + 1;
+                misalign = (unsigned)dma_addr & efx->type->bug5391_mask;
+                if (misalign && dma_len + misalign > 512)
+                        dma_len = 512 - misalign;
+                /* If there is enough space to send then do so */
+                if (dma_len >= len)
+                        break;
+                buffer->len = dma_len; /* Don't set the other members */
+                dma_addr += dma_len;
+                len -= dma_len;
+        }
+        EFX_BUG_ON_PARANOID(!len);
+        buffer->len = len;
+        buffer->skb = skb;
+        buffer->continuation = !end_of_packet;
+        buffer->unmap_addr = unmap_addr;
+        buffer->unmap_len = unmap_len;
+        return 0;
+}
+/*
+ * Put a TSO header into the TX queue.
+ *
+ * This is special-cased because we know that it is small enough to fit in
+ * a single fragment, and we know it doesn't cross a page boundary.  It
+ * also allows us to not worry about end-of-packet etc.
+ */
+static inline void efx_tso_put_header(struct efx_tx_queue *tx_queue,
+                                      struct efx_tso_header *tsoh, unsigned len)
+{
+        struct efx_tx_buffer *buffer;
+        buffer = &tx_queue->buffer[tx_queue->insert_count &
+                                   tx_queue->efx->type->txd_ring_mask];
+        efx_tsoh_free(tx_queue, buffer);
+        EFX_BUG_ON_PARANOID(buffer->len);
+        EFX_BUG_ON_PARANOID(buffer->unmap_len);
+        EFX_BUG_ON_PARANOID(buffer->skb);
+        EFX_BUG_ON_PARANOID(buffer->continuation != 1);
+        EFX_BUG_ON_PARANOID(buffer->tsoh);
+        buffer->len = len;
+        buffer->dma_addr = tsoh->dma_addr;
+        buffer->tsoh = tsoh;
+        ++tx_queue->insert_count;
+}
+/* Remove descriptors put into a tx_queue. */
+static void efx_enqueue_unwind(struct efx_tx_queue *tx_queue)
+{
+        struct efx_tx_buffer *buffer;
+        /* Work backwards until we hit the original insert pointer value */
+        while (tx_queue->insert_count != tx_queue->write_count) {
+                --tx_queue->insert_count;
+                buffer = &tx_queue->buffer[tx_queue->insert_count &
+                                           tx_queue->efx->type->txd_ring_mask];
+                efx_tsoh_free(tx_queue, buffer);
+                EFX_BUG_ON_PARANOID(buffer->skb);
+                buffer->len = 0;
+                buffer->continuation = 1;
+                if (buffer->unmap_len) {
+                        pci_unmap_page(tx_queue->efx->pci_dev,
+                                       buffer->unmap_addr,
+                                       buffer->unmap_len, PCI_DMA_TODEVICE);
+                        buffer->unmap_len = 0;
+                }
+        }
+}
+/* Parse the SKB header and initialise state. */
+static inline void tso_start(struct tso_state *st, const struct sk_buff *skb)
+{
+        /* All ethernet/IP/TCP headers combined size is TCP header size
+         * plus offset of TCP header relative to start of packet.
+         */
+        st->p.header_length = ((tcp_hdr(skb)->doff << 2u)
+                               + PTR_DIFF(tcp_hdr(skb), skb->data));
+        st->p.full_packet_size = (st->p.header_length
+                                  + skb_shinfo(skb)->gso_size);
+        st->p.ipv4_id = ntohs(ip_hdr(skb)->id);
+        st->seqnum = ntohl(tcp_hdr(skb)->seq);
+        EFX_BUG_ON_PARANOID(tcp_hdr(skb)->urg);
+        EFX_BUG_ON_PARANOID(tcp_hdr(skb)->syn);
+        EFX_BUG_ON_PARANOID(tcp_hdr(skb)->rst);
+        st->packet_space = st->p.full_packet_size;
+        st->remaining_len = skb->len - st->p.header_length;
+}
+/**
+ * tso_get_fragment - record fragment details and map for DMA
+ * @st:                 TSO state
+ * @efx:                Efx NIC
+ * @data:               Pointer to fragment data
+ * @len:                Length of fragment
+ *
+ * Record fragment details and map for DMA.  Return 0 on success, or
+ * -%ENOMEM if DMA mapping fails.
+ */
+static inline int tso_get_fragment(struct tso_state *st, struct efx_nic *efx,
+                                   int len, struct page *page, int page_off)
+{
+        st->ifc.unmap_addr = pci_map_page(efx->pci_dev, page, page_off,
+                                          len, PCI_DMA_TODEVICE);
+        if (likely(!pci_dma_mapping_error(st->ifc.unmap_addr))) {
+                st->ifc.unmap_len = len;
+                st->ifc.len = len;
+                st->ifc.dma_addr = st->ifc.unmap_addr;
+                st->ifc.page = page;
+                st->ifc.page_off = page_off;
+                return 0;
+        }
+        return -ENOMEM;
+}
+/**
+ * tso_fill_packet_with_fragment - form descriptors for the current fragment
+ * @tx_queue:           Efx TX queue
+ * @skb:                Socket buffer
+ * @st:                 TSO state
+ *
+ * Form descriptors for the current fragment, until we reach the end
+ * of fragment or end-of-packet.  Return 0 on success, 1 if not enough
+ * space in @tx_queue.
+ */
+static inline int tso_fill_packet_with_fragment(struct efx_tx_queue *tx_queue,
+                                                const struct sk_buff *skb,
+                                                struct tso_state *st)
+{
+        int n, end_of_packet, rc;
+        if (st->ifc.len == 0)
+                return 0;
+        if (st->packet_space == 0)
+                return 0;
+        EFX_BUG_ON_PARANOID(st->ifc.len <= 0);
+        EFX_BUG_ON_PARANOID(st->packet_space <= 0);
+        n = min(st->ifc.len, st->packet_space);
+        st->packet_space -= n;
+        st->remaining_len -= n;
+        st->ifc.len -= n;
+        st->ifc.page_off += n;
+        end_of_packet = st->remaining_len == 0 || st->packet_space == 0;
+        rc = efx_tx_queue_insert(tx_queue, st->ifc.dma_addr, n,
+                                 st->remaining_len ? NULL : skb,
+                                 end_of_packet, st->ifc.unmap_addr,
+                                 st->ifc.len ? 0 : st->ifc.unmap_len);
+        st->ifc.dma_addr += n;
+        return rc;
+}
+/**
+ * tso_start_new_packet - generate a new header and prepare for the new packet
+ * @tx_queue:           Efx TX queue
+ * @skb:                Socket buffer
+ * @st:                 TSO state
+ *
+ * Generate a new header and prepare for the new packet.  Return 0 on
+ * success, or -1 if failed to alloc header.
+ */
+static inline int tso_start_new_packet(struct efx_tx_queue *tx_queue,
+                                       const struct sk_buff *skb,
+                                       struct tso_state *st)
+{
+        struct efx_tso_header *tsoh;
+        struct iphdr *tsoh_iph;
+        struct tcphdr *tsoh_th;
+        unsigned ip_length;
+        u8 *header;
+        /* Allocate a DMA-mapped header buffer. */
+        if (likely(TSOH_SIZE(st->p.header_length) <= TSOH_STD_SIZE)) {
+                if (tx_queue->tso_headers_free == NULL)
+                        if (efx_tsoh_block_alloc(tx_queue))
+                                return -1;
+                EFX_BUG_ON_PARANOID(!tx_queue->tso_headers_free);
+                tsoh = tx_queue->tso_headers_free;
+                tx_queue->tso_headers_free = tsoh->next;
+                tsoh->unmap_len = 0;
+        } else {
+                tx_queue->tso_long_headers++;
+                tsoh = efx_tsoh_heap_alloc(tx_queue, st->p.header_length);
+                if (unlikely(!tsoh))
+                        return -1;
+        }
+        header = TSOH_BUFFER(tsoh);
+        tsoh_th = (struct tcphdr *)(header + SKB_TCP_OFF(skb));
+        tsoh_iph = (struct iphdr *)(header + SKB_IPV4_OFF(skb));
+        /* Copy and update the headers. */
+        memcpy(header, skb->data, st->p.header_length);
+        tsoh_th->seq = htonl(st->seqnum);
+        st->seqnum += skb_shinfo(skb)->gso_size;
+        if (st->remaining_len > skb_shinfo(skb)->gso_size) {
+                /* This packet will not finish the TSO burst. */
+                ip_length = st->p.full_packet_size - ETH_HDR_LEN(skb);
+                tsoh_th->fin = 0;
+                tsoh_th->psh = 0;
+        } else {
+                /* This packet will be the last in the TSO burst. */
+                ip_length = (st->p.header_length - ETH_HDR_LEN(skb)
+                             + st->remaining_len);
+                tsoh_th->fin = tcp_hdr(skb)->fin;
+                tsoh_th->psh = tcp_hdr(skb)->psh;
+        }
+        tsoh_iph->tot_len = htons(ip_length);
+        /* Linux leaves suitable gaps in the IP ID space for us to fill. */
+        tsoh_iph->id = htons(st->p.ipv4_id);
+        st->p.ipv4_id++;
+        st->packet_space = skb_shinfo(skb)->gso_size;
+        ++tx_queue->tso_packets;
+        /* Form a descriptor for this header. */
+        efx_tso_put_header(tx_queue, tsoh, st->p.header_length);
+        return 0;
+}
+/**
+ * efx_enqueue_skb_tso - segment and transmit a TSO socket buffer
+ * @tx_queue:           Efx TX queue
+ * @skb:                Socket buffer
+ *
+ * Context: You must hold netif_tx_lock() to call this function.
+ *
+ * Add socket buffer @skb to @tx_queue, doing TSO or return != 0 if
+ * @skb was not enqueued.  In all cases @skb is consumed.  Return
+ * %NETDEV_TX_OK or %NETDEV_TX_BUSY.
+ */
+static int efx_enqueue_skb_tso(struct efx_tx_queue *tx_queue,
+                               const struct sk_buff *skb)
+{
+        int frag_i, rc, rc2 = NETDEV_TX_OK;
+        struct tso_state state;
+        skb_frag_t *f;
+        /* Verify TSO is safe - these checks should never fail. */
+        efx_tso_check_safe(skb);
+        EFX_BUG_ON_PARANOID(tx_queue->write_count != tx_queue->insert_count);
+        tso_start(&state, skb);
+        /* Assume that skb header area contains exactly the headers, and
+         * all payload is in the frag list.
+         */
+        if (skb_headlen(skb) == state.p.header_length) {
+                /* Grab the first payload fragment. */
+                EFX_BUG_ON_PARANOID(skb_shinfo(skb)->nr_frags < 1);
+                frag_i = 0;
+                f = &skb_shinfo(skb)->frags[frag_i];
+                rc = tso_get_fragment(&state, tx_queue->efx,
+                                      f->size, f->page, f->page_offset);
+                if (rc)
+                        goto mem_err;
+        } else {
+                /* It may look like this code fragment assumes that the
+                 * skb->data portion does not cross a page boundary, but
+                 * that is not the case.  It is guaranteed to be direct
+                 * mapped memory, and therefore is physically contiguous,
+                 * and so DMA will work fine.  kmap_atomic() on this region
+                 * will just return the direct mapping, so that will work
+                 * too.
+                 */
+                int page_off = (unsigned long)skb->data & (PAGE_SIZE - 1);
+                int hl = state.p.header_length;
+                rc = tso_get_fragment(&state, tx_queue->efx,
+                                      skb_headlen(skb) - hl,
+                                      virt_to_page(skb->data), page_off + hl);
+                if (rc)
+                        goto mem_err;
+                frag_i = -1;
+        }
+        if (tso_start_new_packet(tx_queue, skb, &state) < 0)
+                goto mem_err;
+        while (1) {
+                rc = tso_fill_packet_with_fragment(tx_queue, skb, &state);
+                if (unlikely(rc))
+                        goto stop;
+                /* Move onto the next fragment? */
+                if (state.ifc.len == 0) {
+                        if (++frag_i >= skb_shinfo(skb)->nr_frags)
+                                /* End of payload reached. */
+                                break;
+                        f = &skb_shinfo(skb)->frags[frag_i];
+                        rc = tso_get_fragment(&state, tx_queue->efx,
+                                              f->size, f->page, f->page_offset);
+                        if (rc)
+                                goto mem_err;
+                }
+                /* Start at new packet? */
+                if (state.packet_space == 0 &&
+                    tso_start_new_packet(tx_queue, skb, &state) < 0)
+                        goto mem_err;
+        }
+        /* Pass off to hardware */
+        falcon_push_buffers(tx_queue);
+        tx_queue->tso_bursts++;
+        return NETDEV_TX_OK;
+ mem_err:
+        EFX_ERR(tx_queue->efx, "Out of memory for TSO headers, or PCI mapping"
+                " error\n");
+        dev_kfree_skb_any((struct sk_buff *)skb);
+        goto unwind;
+ stop:
+        rc2 = NETDEV_TX_BUSY;
+        /* Stop the queue if it wasn't stopped before. */
+        if (tx_queue->stopped == 1)
+                efx_stop_queue(tx_queue->efx);
+ unwind:
+        efx_enqueue_unwind(tx_queue);
+        return rc2;
+}
+/*
+ * Free up all TSO datastructures associated with tx_queue. This
+ * routine should be called only once the tx_queue is both empty and
+ * will no longer be used.
+ */
+static void efx_fini_tso(struct efx_tx_queue *tx_queue)
+{
+        unsigned i;
+        if (tx_queue->buffer)
+                for (i = 0; i <= tx_queue->efx->type->txd_ring_mask; ++i)
+                        efx_tsoh_free(tx_queue, &tx_queue->buffer[i]);
+        while (tx_queue->tso_headers_free != NULL)
+                efx_tsoh_block_free(tx_queue, tx_queue->tso_headers_free,
+                                    tx_queue->efx->pci_dev);
+}
diff --git a/drivers/net/sfc/xfp_phy.c b/drivers/net/sfc/xfp_phy.c
index 66dd5bf1eaa9..3b9f9ddbc372 100644
--- a/drivers/net/sfc/xfp_phy.c
+++ b/drivers/net/sfc/xfp_phy.c
@@ -24,6 +24,10 @@
                           MDIO_MMDREG_DEVS0_PMAPMD |   \
                           MDIO_MMDREG_DEVS0_PHYXS)
+#define XFP_LOOPBACKS ((1 << LOOPBACK_PCS) |            \
+                       (1 << LOOPBACK_PMAPMD) |         \
+                       (1 << LOOPBACK_NETWORK))
 /****************************************************************************/
 /* Quake-specific MDIO registers */
 #define MDIO_QUAKE_LED0_REG     (0xD006)
@@ -35,6 +39,10 @@ void xfp_set_led(struct efx_nic *p, int led, int mode)
                            mode);
 }
+struct xfp_phy_data {
+        int tx_disabled;
+};
 #define XFP_MAX_RESET_TIME 500
 #define XFP_RESET_WAIT 10
@@ -72,18 +80,31 @@ static int xfp_reset_phy(struct efx_nic *efx)
 static int xfp_phy_init(struct efx_nic *efx)
 {
+        struct xfp_phy_data *phy_data;
        u32 devid = mdio_clause45_read_id(efx, MDIO_MMD_PHYXS);
        int rc;
+        phy_data = kzalloc(sizeof(struct xfp_phy_data), GFP_KERNEL);
+        efx->phy_data = (void *) phy_data;
        EFX_INFO(efx, "XFP: PHY ID reg %x (OUI %x model %x revision"
                 " %x)\n", devid, MDIO_ID_OUI(devid), MDIO_ID_MODEL(devid),
                 MDIO_ID_REV(devid));
+        phy_data->tx_disabled = efx->tx_disabled;
        rc = xfp_reset_phy(efx);
        EFX_INFO(efx, "XFP: PHY init %s.\n",
                 rc ? "failed" : "successful");
+        if (rc < 0)
+                goto fail;
+        return 0;
+ fail:
+        kfree(efx->phy_data);
+        efx->phy_data = NULL;
        return rc;
 }
@@ -110,6 +131,16 @@ static int xfp_phy_check_hw(struct efx_nic *efx)
 static void xfp_phy_reconfigure(struct efx_nic *efx)
 {
+        struct xfp_phy_data *phy_data = efx->phy_data;
+        /* Reset the PHY when moving from tx off to tx on */
+        if (phy_data->tx_disabled && !efx->tx_disabled)
+                xfp_reset_phy(efx);
+        mdio_clause45_transmit_disable(efx);
+        mdio_clause45_phy_reconfigure(efx);
+        phy_data->tx_disabled = efx->tx_disabled;
        efx->link_up = xfp_link_ok(efx);
        efx->link_options = GM_LPA_10000FULL;
 }
@@ -119,6 +150,10 @@ static void xfp_phy_fini(struct efx_nic *efx)
 {
        /* Clobber the LED if it was blinking */
        efx->board_info.blink(efx, 0);
+        /* Free the context block */
+        kfree(efx->phy_data);
+        efx->phy_data = NULL;
 }
 struct efx_phy_operations falcon_xfp_phy_ops = {
@@ -129,4 +164,5 @@ struct efx_phy_operations falcon_xfp_phy_ops = {
        .clear_interrupt = xfp_phy_clear_interrupt,
        .reset_xaui      = efx_port_dummy_op_void,
        .mmds            = XFP_REQUIRED_DEVS,
+        .loopbacks       = XFP_LOOPBACKS,
 };
diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h
index 7bb3ba9bcbd8..c0a5eea20007 100644
--- a/drivers/net/sky2.h
+++ b/drivers/net/sky2.h
@@ -1966,13 +1966,13 @@ struct sky2_status_le {
 struct tx_ring_info {
        struct sk_buff  *skb;
        DECLARE_PCI_UNMAP_ADDR(mapaddr);
-        DECLARE_PCI_UNMAP_ADDR(maplen);
+        DECLARE_PCI_UNMAP_LEN(maplen);
 };
 struct rx_ring_info {
        struct sk_buff  *skb;
        dma_addr_t      data_addr;
-        DECLARE_PCI_UNMAP_ADDR(data_size);
+        DECLARE_PCI_UNMAP_LEN(data_size);
        dma_addr_t      frag_addr[ETH_JUMBO_MTU >> PAGE_SHIFT];
 };
diff --git a/drivers/net/wan/Kconfig b/drivers/net/wan/Kconfig
index 8005dd16fb4e..d5140aed7b79 100644
--- a/drivers/net/wan/Kconfig
+++ b/drivers/net/wan/Kconfig
@@ -150,11 +150,9 @@ config HDLC_FR
 config HDLC_PPP
        tristate "Synchronous Point-to-Point Protocol (PPP) support"
-        depends on HDLC && BROKEN
+        depends on HDLC
        help
          Generic HDLC driver supporting PPP over WAN connections.
-          This module is currently broken and will cause a kernel panic
-          when a device configured in PPP mode is activated.
          It will be replaced by new PPP implementation in Linux 2.6.26.
diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c
index 45ddfc9763cc..b0fce1387eaf 100644
--- a/drivers/net/wan/cosa.c
+++ b/drivers/net/wan/cosa.c
@@ -629,7 +629,7 @@ static void sppp_channel_init(struct channel_data *chan)
        d->base_addr = chan->cosa->datareg;
        d->irq = chan->cosa->irq;
        d->dma = chan->cosa->dma;
-        d->priv = chan;
+        d->ml_priv = chan;
        sppp_attach(&chan->pppdev);
        if (register_netdev(d)) {
                printk(KERN_WARNING "%s: register_netdev failed.\n", d->name);
@@ -650,7 +650,7 @@ static void sppp_channel_delete(struct channel_data *chan)
 static int cosa_sppp_open(struct net_device *d)
 {
-        struct channel_data *chan = d->priv;
+        struct channel_data *chan = d->ml_priv;
        int err;
        unsigned long flags;
@@ -690,7 +690,7 @@ static int cosa_sppp_open(struct net_device *d)
 static int cosa_sppp_tx(struct sk_buff *skb, struct net_device *dev)
 {
-        struct channel_data *chan = dev->priv;
+        struct channel_data *chan = dev->ml_priv;
        netif_stop_queue(dev);
@@ -701,7 +701,7 @@ static int cosa_sppp_tx(struct sk_buff *skb, struct net_device *dev)
 static void cosa_sppp_timeout(struct net_device *dev)
 {
-        struct channel_data *chan = dev->priv;
+        struct channel_data *chan = dev->ml_priv;
        if (test_bit(RXBIT, &chan->cosa->rxtx)) {
                chan->stats.rx_errors++;
@@ -720,7 +720,7 @@ static void cosa_sppp_timeout(struct net_device *dev)
 static int cosa_sppp_close(struct net_device *d)
 {
-        struct channel_data *chan = d->priv;
+        struct channel_data *chan = d->ml_priv;
        unsigned long flags;
        netif_stop_queue(d);
@@ -800,7 +800,7 @@ static int sppp_tx_done(struct channel_data *chan, int size)
 static struct net_device_stats *cosa_net_stats(struct net_device *dev)
 {
-        struct channel_data *chan = dev->priv;
+        struct channel_data *chan = dev->ml_priv;
        return &chan->stats;
 }
@@ -1217,7 +1217,7 @@ static int cosa_sppp_ioctl(struct net_device *dev, struct ifreq *ifr,
        int cmd)
 {
        int rv;
-        struct channel_data *chan = dev->priv;
+        struct channel_data *chan = dev->ml_priv;
        rv = cosa_ioctl_common(chan->cosa, chan, cmd, (unsigned long)ifr->ifr_data);
        if (rv == -ENOIOCTLCMD) {
                return sppp_do_ioctl(dev, ifr, cmd);
diff --git a/drivers/net/wan/hdlc_ppp.c b/drivers/net/wan/hdlc_ppp.c
index 10396d9686f4..00308337928e 100644
--- a/drivers/net/wan/hdlc_ppp.c
+++ b/drivers/net/wan/hdlc_ppp.c
@@ -45,7 +45,7 @@ static int ppp_open(struct net_device *dev)
        int (*old_ioctl)(struct net_device *, struct ifreq *, int);
        int result;
-        dev->priv = &state(hdlc)->syncppp_ptr;
+        dev->ml_priv = &state(hdlc)->syncppp_ptr;
        state(hdlc)->syncppp_ptr = &state(hdlc)->pppdev;
        state(hdlc)->pppdev.dev = dev;
diff --git a/drivers/net/wan/hostess_sv11.c b/drivers/net/wan/hostess_sv11.c
index 83dbc924fcb5..f3065d3473fd 100644
--- a/drivers/net/wan/hostess_sv11.c
+++ b/drivers/net/wan/hostess_sv11.c
@@ -75,7 +75,7 @@ static void hostess_input(struct z8530_channel *c, struct sk_buff *skb)
 
 static int hostess_open(struct net_device *d)
 {
-        struct sv11_device *sv11=d->priv;
+        struct sv11_device *sv11=d->ml_priv;
        int err = -1;
        
        /*
@@ -128,7 +128,7 @@ static int hostess_open(struct net_device *d)
 static int hostess_close(struct net_device *d)
 {
-        struct sv11_device *sv11=d->priv;
+        struct sv11_device *sv11=d->ml_priv;
        /*
         *      Discard new frames
         */
@@ -159,14 +159,14 @@ static int hostess_close(struct net_device *d)
 static int hostess_ioctl(struct net_device *d, struct ifreq *ifr, int cmd)
 {
-        /* struct sv11_device *sv11=d->priv;
+        /* struct sv11_device *sv11=d->ml_priv;
           z8530_ioctl(d,&sv11->sync.chanA,ifr,cmd) */
        return sppp_do_ioctl(d, ifr,cmd);
 }
 static struct net_device_stats *hostess_get_stats(struct net_device *d)
 {
-        struct sv11_device *sv11=d->priv;
+        struct sv11_device *sv11=d->ml_priv;
        if(sv11)
                return z8530_get_stats(&sv11->sync.chanA);
        else
@@ -179,7 +179,7 @@ static struct net_device_stats *hostess_get_stats(struct net_device *d)
 
 static int hostess_queue_xmit(struct sk_buff *skb, struct net_device *d)
 {
-        struct sv11_device *sv11=d->priv;
+        struct sv11_device *sv11=d->ml_priv;
        return z8530_queue_xmit(&sv11->sync.chanA, skb);
 }
@@ -325,6 +325,7 @@ static struct sv11_device *sv11_init(int iobase, int irq)
                /* 
                 *      Initialise the PPP components
                 */
+                d->ml_priv = sv;
                sppp_attach(&sv->netdev);
                
                /*
@@ -333,7 +334,6 @@ static struct sv11_device *sv11_init(int iobase, int irq)
                
                d->base_addr = iobase;
                d->irq = irq;
-                d->priv = sv;
                
                if(register_netdev(d))
                {
diff --git a/drivers/net/wan/lmc/lmc_main.c b/drivers/net/wan/lmc/lmc_main.c
index 6635ecef36e5..62133cee446a 100644
--- a/drivers/net/wan/lmc/lmc_main.c
+++ b/drivers/net/wan/lmc/lmc_main.c
@@ -891,6 +891,7 @@ static int __devinit lmc_init_one(struct pci_dev *pdev,
    /* Initialize the sppp layer */
    /* An ioctl can cause a subsequent detach for raw frame interface */
+    dev->ml_priv = sc;
    sc->if_type = LMC_PPP;
    sc->check = 0xBEAFCAFE;
    dev->base_addr = pci_resource_start(pdev, 0);
diff --git a/drivers/net/wan/sealevel.c b/drivers/net/wan/sealevel.c
index 11276bf3149f..44a89df1b8bf 100644
--- a/drivers/net/wan/sealevel.c
+++ b/drivers/net/wan/sealevel.c
@@ -241,6 +241,7 @@ static inline struct slvl_device *slvl_alloc(int iobase, int irq)
                return NULL;
        sv = d->priv;
+        d->ml_priv = sv;
        sv->if_ptr = &sv->pppdev;
        sv->pppdev.dev = d;
        d->base_addr = iobase;
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index d3406830c8e3..62a3d8f8563e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -666,7 +666,7 @@ static void iwl3945_rx_reply_rx(struct iwl3945_priv *priv,
        rx_status.flag = 0;
        rx_status.mactime = le64_to_cpu(rx_end->timestamp);
        rx_status.freq =
-                ieee80211_frequency_to_channel(le16_to_cpu(rx_hdr->channel));
+                ieee80211_channel_to_frequency(le16_to_cpu(rx_hdr->channel));
        rx_status.band = (rx_hdr->phy_flags & RX_RES_PHY_FLAGS_BAND_24_MSK) ?
                                IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
index b608e1ca8b40..c9847b1a67f7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
@@ -163,8 +163,8 @@ struct iwl4965_lq_sta {
        struct dentry *rs_sta_dbgfs_tx_agg_tid_en_file;
 #endif
        struct iwl4965_rate dbg_fixed;
-        struct iwl_priv *drv;
 #endif
+        struct iwl_priv *drv;
 };
 static void rs_rate_scale_perform(struct iwl_priv *priv,
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 17f629fb96ff..bf19eb8aafd0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -3978,7 +3978,7 @@ static void iwl4965_rx_reply_rx(struct iwl_priv *priv,
        rx_status.mactime = le64_to_cpu(rx_start->timestamp);
        rx_status.freq =
-                ieee80211_frequency_to_channel(le16_to_cpu(rx_start->channel));
+                ieee80211_channel_to_frequency(le16_to_cpu(rx_start->channel));
        rx_status.band = (rx_start->phy_flags & RX_RES_PHY_FLAGS_BAND_24_MSK) ?
                                IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
        rx_status.rate_idx =
diff --git a/drivers/net/wireless/prism54/islpci_dev.c b/drivers/net/wireless/prism54/islpci_dev.c
index 04c2638d75ad..9196825ed1b5 100644
--- a/drivers/net/wireless/prism54/islpci_dev.c
+++ b/drivers/net/wireless/prism54/islpci_dev.c
@@ -388,8 +388,15 @@ islpci_open(struct net_device *ndev)
        netif_start_queue(ndev);
-        /* Turn off carrier unless we know we have associated */
+        /* Turn off carrier if in STA or Ad-hoc mode. It will be turned on
-        netif_carrier_off(ndev);
+         * once the firmware receives a trap of being associated
+         * (GEN_OID_LINKSTATE). In other modes (AP or WDS or monitor) we
+         * should just leave the carrier on as its expected the firmware
+         * won't send us a trigger. */
+        if (priv->iw_mode == IW_MODE_INFRA || priv->iw_mode == IW_MODE_ADHOC)
+                netif_carrier_off(ndev);
+        else
+                netif_carrier_on(ndev);
        return 0;
 }
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 8d8657fb64dd..b22c02737185 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -1032,8 +1032,10 @@ static int rt2x00lib_initialize(struct rt2x00_dev *rt2x00dev)
         * Initialize the device.
         */
        status = rt2x00dev->ops->lib->initialize(rt2x00dev);
-        if (status)
+        if (status) {
-                goto exit;
+                rt2x00queue_uninitialize(rt2x00dev);
+                return status;
+        }
        __set_bit(DEVICE_INITIALIZED, &rt2x00dev->flags);
@@ -1043,11 +1045,6 @@ static int rt2x00lib_initialize(struct rt2x00_dev *rt2x00dev)
        rt2x00rfkill_register(rt2x00dev);
        return 0;
-exit:
-        rt2x00lib_uninitialize(rt2x00dev);
-        return status;
 }
 int rt2x00lib_start(struct rt2x00_dev *rt2x00dev)
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c
index 7867ec64bd2c..971af2546b59 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.c
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.c
@@ -314,13 +314,14 @@ int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev)
        if (status) {
                ERROR(rt2x00dev, "IRQ %d allocation failed (error %d).\n",
                      pci_dev->irq, status);
-                return status;
+                goto exit;
        }
        return 0;
 exit:
-        rt2x00pci_uninitialize(rt2x00dev);
+        queue_for_each(rt2x00dev, queue)
+                rt2x00pci_free_queue_dma(rt2x00dev, queue);
        return status;
 }
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index ae12dcdd3c24..14bc7b281659 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -2366,6 +2366,7 @@ static int rt61pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
 {
        struct rt2x00_dev *rt2x00dev = hw->priv;
        struct rt2x00_intf *intf = vif_to_intf(control->vif);
+        struct queue_entry_priv_pci_tx *priv_tx;
        struct skb_frame_desc *skbdesc;
        unsigned int beacon_base;
        u32 reg;
@@ -2373,21 +2374,8 @@ static int rt61pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
        if (unlikely(!intf->beacon))
                return -ENOBUFS;
-        /*
+        priv_tx = intf->beacon->priv_data;
-         * We need to append the descriptor in front of the
+        memset(priv_tx->desc, 0, intf->beacon->queue->desc_size);
-         * beacon frame.
-         */
-        if (skb_headroom(skb) < intf->beacon->queue->desc_size) {
-                if (pskb_expand_head(skb, intf->beacon->queue->desc_size,
-                                     0, GFP_ATOMIC))
-                        return -ENOMEM;
-        }
-        /*
-         * Add the descriptor in front of the skb.
-         */
-        skb_push(skb, intf->beacon->queue->desc_size);
-        memset(skb->data, 0, intf->beacon->queue->desc_size);
        /*
         * Fill in skb descriptor
@@ -2395,9 +2383,9 @@ static int rt61pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
        skbdesc = get_skb_frame_desc(skb);
        memset(skbdesc, 0, sizeof(*skbdesc));
        skbdesc->flags |= FRAME_DESC_DRIVER_GENERATED;
-        skbdesc->data = skb->data + intf->beacon->queue->desc_size;
+        skbdesc->data = skb->data;
-        skbdesc->data_len = skb->len - intf->beacon->queue->desc_size;
+        skbdesc->data_len = skb->len;
-        skbdesc->desc = skb->data;
+        skbdesc->desc = priv_tx->desc;
        skbdesc->desc_len = intf->beacon->queue->desc_size;
        skbdesc->entry = intf->beacon;
@@ -2425,7 +2413,10 @@ static int rt61pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
         */
        beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
        rt2x00pci_register_multiwrite(rt2x00dev, beacon_base,
-                                      skb->data, skb->len);
+                                      skbdesc->desc, skbdesc->desc_len);
+        rt2x00pci_register_multiwrite(rt2x00dev,
+                                      beacon_base + skbdesc->desc_len,
+                                      skbdesc->data, skbdesc->data_len);
        rt61pci_kick_tx_queue(rt2x00dev, control->queue);
        return 0;
@@ -2490,7 +2481,7 @@ static const struct data_queue_desc rt61pci_queue_tx = {
 static const struct data_queue_desc rt61pci_queue_bcn = {
        .entry_num              = 4 * BEACON_ENTRIES,
-        .data_size              = MGMT_FRAME_SIZE,
+        .data_size              = 0, /* No DMA required for beacons */
        .desc_size              = TXINFO_SIZE,
        .priv_size              = sizeof(struct queue_entry_priv_pci_tx),
 };
diff --git a/drivers/net/wireless/wavelan.c b/drivers/net/wireless/wavelan.c
index 03384a43186b..49ae97003952 100644
--- a/drivers/net/wireless/wavelan.c
+++ b/drivers/net/wireless/wavelan.c
@@ -908,9 +908,9 @@ static void wv_psa_show(psa_t * p)
             p->psa_call_code[3], p->psa_call_code[4], p->psa_call_code[5],
             p->psa_call_code[6], p->psa_call_code[7]);
 #ifdef DEBUG_SHOW_UNUSED
-        printk(KERN_DEBUG "psa_reserved[]: %02X:%02X:%02X:%02X\n",
+        printk(KERN_DEBUG "psa_reserved[]: %02X:%02X\n",
               p->psa_reserved[0],
-               p->psa_reserved[1], p->psa_reserved[2], p->psa_reserved[3]);
+               p->psa_reserved[1]);
 #endif                          /* DEBUG_SHOW_UNUSED */
        printk(KERN_DEBUG "psa_conf_status: %d, ", p->psa_conf_status);
        printk("psa_crc: 0x%02x%02x, ", p->psa_crc[0], p->psa_crc[1]);
diff --git a/drivers/net/wireless/wavelan_cs.c b/drivers/net/wireless/wavelan_cs.c
index baf74015751c..b584c0ecc62d 100644
--- a/drivers/net/wireless/wavelan_cs.c
+++ b/drivers/net/wireless/wavelan_cs.c
@@ -1074,11 +1074,9 @@ wv_psa_show(psa_t *	p)
         p->psa_call_code[6],
         p->psa_call_code[7]);
 #ifdef DEBUG_SHOW_UNUSED
-  printk(KERN_DEBUG "psa_reserved[]: %02X:%02X:%02X:%02X\n",
+  printk(KERN_DEBUG "psa_reserved[]: %02X:%02X\n",
         p->psa_reserved[0],
-         p->psa_reserved[1],
+         p->psa_reserved[1]);
-         p->psa_reserved[2],
-         p->psa_reserved[3]);
 #endif  /* DEBUG_SHOW_UNUSED */
  printk(KERN_DEBUG "psa_conf_status: %d, ", p->psa_conf_status);
  printk("psa_crc: 0x%02x%02x, ", p->psa_crc[0], p->psa_crc[1]);
diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c
index 5316074f39f0..12e24f04dddf 100644
--- a/drivers/net/wireless/zd1211rw/zd_usb.c
+++ b/drivers/net/wireless/zd1211rw/zd_usb.c
@@ -889,9 +889,13 @@ static void tx_urb_complete(struct urb *urb)
        }
 free_urb:
        skb = (struct sk_buff *)urb->context;
-        zd_mac_tx_to_dev(skb, urb->status);
+        /*
+         * grab 'usb' pointer before handing off the skb (since
+         * it might be freed by zd_mac_tx_to_dev or mac80211)
+         */
        cb = (struct zd_tx_skb_control_block *)skb->cb;
        usb = &zd_hw_mac(cb->hw)->chip.usb;
+        zd_mac_tx_to_dev(skb, urb->status);
        free_tx_urb(usb, urb);
        tx_dec_submitted_urbs(usb);
        return;
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 9bd7c4a31253..23ffb7c0caf2 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -65,6 +65,9 @@ struct property *of_find_property(const struct device_node *np,
 {
        struct property *pp;
+        if (!np)
+                return NULL;
        read_lock(&devtree_lock);
        for (pp = np->properties; pp != 0; pp = pp->next) {
                if (of_prop_cmp(pp->name, name) == 0) {
diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c
index efcbf4b4579f..2450b3a393ff 100644
--- a/drivers/oprofile/cpu_buffer.c
+++ b/drivers/oprofile/cpu_buffer.c
@@ -27,7 +27,7 @@
 #include "buffer_sync.h"
 #include "oprof.h"
-DEFINE_PER_CPU_SHARED_ALIGNED(struct oprofile_cpu_buffer, cpu_buffer);
+DEFINE_PER_CPU(struct oprofile_cpu_buffer, cpu_buffer);
 static void wq_sync_buffer(struct work_struct *work);
diff --git a/drivers/oprofile/cpu_buffer.h b/drivers/oprofile/cpu_buffer.h
index 13588174311d..c3e366b52261 100644
--- a/drivers/oprofile/cpu_buffer.h
+++ b/drivers/oprofile/cpu_buffer.h
@@ -46,7 +46,7 @@ struct oprofile_cpu_buffer {
        unsigned long sample_invalid_eip;
        int cpu;
        struct delayed_work work;
-} ____cacheline_aligned;
+};
 DECLARE_PER_CPU(struct oprofile_cpu_buffer, cpu_buffer);
diff --git a/drivers/parisc/asp.c b/drivers/parisc/asp.c
index 558420bc9f88..821369135369 100644
--- a/drivers/parisc/asp.c
+++ b/drivers/parisc/asp.c
@@ -88,7 +88,7 @@ asp_init_chip(struct parisc_device *dev)
        ret = -EBUSY;
        dev->irq = gsc_claim_irq(&gsc_irq, ASP_GSC_IRQ);
        if (dev->irq < 0) {
-                printk(KERN_ERR "%s(): cannot get GSC irq\n", __FUNCTION__);
+                printk(KERN_ERR "%s(): cannot get GSC irq\n", __func__);
                goto out;
        }
diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c
index 07d2a8d4498f..b30e38f3a50d 100644
--- a/drivers/parisc/ccio-dma.c
+++ b/drivers/parisc/ccio-dma.c
@@ -359,7 +359,7 @@ ccio_alloc_range(struct ioc *ioc, struct device *dev, size_t size)
        BUG_ON((pages_needed * IOVP_SIZE) > DMA_CHUNK_SIZE);
     
        DBG_RES("%s() size: %d pages_needed %d\n", 
-                __FUNCTION__, size, pages_needed);
+                __func__, size, pages_needed);
        /*
        ** "seek and ye shall find"...praying never hurts either...
@@ -395,16 +395,16 @@ ccio_alloc_range(struct ioc *ioc, struct device *dev, size_t size)
 #endif
        } else {
                panic("%s: %s() Too many pages to map. pages_needed: %u\n",
-                       __FILE__,  __FUNCTION__, pages_needed);
+                       __FILE__,  __func__, pages_needed);
        }
        panic("%s: %s() I/O MMU is out of mapping resources.\n", __FILE__,
-              __FUNCTION__);
+              __func__);
        
 resource_found:
        
        DBG_RES("%s() res_idx %d res_hint: %d\n",
-                __FUNCTION__, res_idx, ioc->res_hint);
+                __func__, res_idx, ioc->res_hint);
 #ifdef CCIO_SEARCH_TIME
        {
@@ -450,7 +450,7 @@ ccio_free_range(struct ioc *ioc, dma_addr_t iova, unsigned long pages_mapped)
        BUG_ON(pages_mapped > BITS_PER_LONG);
        DBG_RES("%s():  res_idx: %d pages_mapped %d\n", 
-                __FUNCTION__, res_idx, pages_mapped);
+                __func__, res_idx, pages_mapped);
 #ifdef CCIO_MAP_STATS
        ioc->used_pages -= pages_mapped;
@@ -474,7 +474,7 @@ ccio_free_range(struct ioc *ioc, dma_addr_t iova, unsigned long pages_mapped)
 #endif
        } else {
                panic("%s:%s() Too many pages to unmap.\n", __FILE__,
-                      __FUNCTION__);
+                      __func__);
        }
 }
@@ -775,7 +775,7 @@ ccio_map_single(struct device *dev, void *addr, size_t size,
        pdir_start = &(ioc->pdir_base[idx]);
        DBG_RUN("%s() 0x%p -> 0x%lx size: %0x%x\n",
-                __FUNCTION__, addr, (long)iovp | offset, size);
+                __func__, addr, (long)iovp | offset, size);
        /* If not cacheline aligned, force SAFE_DMA on the whole mess */
        if((size % L1_CACHE_BYTES) || ((unsigned long)addr % L1_CACHE_BYTES))
@@ -820,7 +820,7 @@ ccio_unmap_single(struct device *dev, dma_addr_t iova, size_t size,
        ioc = GET_IOC(dev);
        DBG_RUN("%s() iovp 0x%lx/%x\n",
-                __FUNCTION__, (long)iova, size);
+                __func__, (long)iova, size);
        iova ^= offset;        /* clear offset bits */
        size += offset;
@@ -922,7 +922,7 @@ ccio_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
        BUG_ON(!dev);
        ioc = GET_IOC(dev);
        
-        DBG_RUN_SG("%s() START %d entries\n", __FUNCTION__, nents);
+        DBG_RUN_SG("%s() START %d entries\n", __func__, nents);
        /* Fast path single entry scatterlists. */
        if (nents == 1) {
@@ -966,7 +966,7 @@ ccio_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
        BUG_ON(coalesced != filled);
-        DBG_RUN_SG("%s() DONE %d mappings\n", __FUNCTION__, filled);
+        DBG_RUN_SG("%s() DONE %d mappings\n", __func__, filled);
        for (i = 0; i < filled; i++)
                current_len += sg_dma_len(sglist + i);
@@ -995,7 +995,7 @@ ccio_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents,
        ioc = GET_IOC(dev);
        DBG_RUN_SG("%s() START %d entries,  %08lx,%x\n",
-                __FUNCTION__, nents, sg_virt_addr(sglist), sglist->length);
+                __func__, nents, sg_virt_addr(sglist), sglist->length);
 #ifdef CCIO_MAP_STATS
        ioc->usg_calls++;
@@ -1011,7 +1011,7 @@ ccio_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents,
                ++sglist;
        }
-        DBG_RUN_SG("%s() DONE (nents %d)\n", __FUNCTION__, nents);
+        DBG_RUN_SG("%s() DONE (nents %d)\n", __func__, nents);
 }
 static struct hppa_dma_ops ccio_ops = {
@@ -1225,7 +1225,7 @@ static int
 ccio_get_iotlb_size(struct parisc_device *dev)
 {
        if (dev->spa_shift == 0) {
-                panic("%s() : Can't determine I/O TLB size.\n", __FUNCTION__);
+                panic("%s() : Can't determine I/O TLB size.\n", __func__);
        }
        return (1 << dev->spa_shift);
 }
@@ -1315,7 +1315,7 @@ ccio_ioc_init(struct ioc *ioc)
        BUG_ON((1 << get_order(ioc->pdir_size)) != (ioc->pdir_size >> PAGE_SHIFT));
        DBG_INIT("%s() hpa 0x%p mem %luMB IOV %dMB (%d bits)\n",
-                        __FUNCTION__, ioc->ioc_regs,
+                        __func__, ioc->ioc_regs,
                        (unsigned long) num_physpages >> (20 - PAGE_SHIFT),
                        iova_space_size>>20,
                        iov_order + PAGE_SHIFT);
@@ -1323,7 +1323,7 @@ ccio_ioc_init(struct ioc *ioc)
        ioc->pdir_base = (u64 *)__get_free_pages(GFP_KERNEL, 
                                                 get_order(ioc->pdir_size));
        if(NULL == ioc->pdir_base) {
-                panic("%s() could not allocate I/O Page Table\n", __FUNCTION__);
+                panic("%s() could not allocate I/O Page Table\n", __func__);
        }
        memset(ioc->pdir_base, 0, ioc->pdir_size);
@@ -1332,12 +1332,12 @@ ccio_ioc_init(struct ioc *ioc)
        /* resource map size dictated by pdir_size */
        ioc->res_size = (ioc->pdir_size / sizeof(u64)) >> 3;
-        DBG_INIT("%s() res_size 0x%x\n", __FUNCTION__, ioc->res_size);
+        DBG_INIT("%s() res_size 0x%x\n", __func__, ioc->res_size);
        
        ioc->res_map = (u8 *)__get_free_pages(GFP_KERNEL, 
                                              get_order(ioc->res_size));
        if(NULL == ioc->res_map) {
-                panic("%s() could not allocate resource map\n", __FUNCTION__);
+                panic("%s() could not allocate resource map\n", __func__);
        }
        memset(ioc->res_map, 0, ioc->res_size);
@@ -1409,7 +1409,7 @@ ccio_init_resource(struct resource *res, char *name, void __iomem *ioaddr)
        result = insert_resource(&iomem_resource, res);
        if (result < 0) {
                printk(KERN_ERR "%s() failed to claim CCIO bus address space (%08lx,%08lx)\n", 
-                        __FUNCTION__, res->start, res->end);
+                        __func__, res->start, res->end);
        }
 }
diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index d9c6322a721b..fd56128525d1 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -180,7 +180,7 @@ static int dino_cfg_read(struct pci_bus *bus, unsigned int devfn, int where,
        void __iomem *base_addr = d->hba.base_addr;
        unsigned long flags;
-        DBG("%s: %p, %d, %d, %d\n", __FUNCTION__, base_addr, devfn, where,
+        DBG("%s: %p, %d, %d, %d\n", __func__, base_addr, devfn, where,
                                                                        size);
        spin_lock_irqsave(&d->dinosaur_pen, flags);
@@ -215,7 +215,7 @@ static int dino_cfg_write(struct pci_bus *bus, unsigned int devfn, int where,
        void __iomem *base_addr = d->hba.base_addr;
        unsigned long flags;
-        DBG("%s: %p, %d, %d, %d\n", __FUNCTION__, base_addr, devfn, where,
+        DBG("%s: %p, %d, %d, %d\n", __func__, base_addr, devfn, where,
                                                                        size);
        spin_lock_irqsave(&d->dinosaur_pen, flags);
@@ -301,7 +301,7 @@ static void dino_disable_irq(unsigned int irq)
        struct dino_device *dino_dev = irq_desc[irq].chip_data;
        int local_irq = gsc_find_local_irq(irq, dino_dev->global_irq, DINO_LOCAL_IRQS);
-        DBG(KERN_WARNING "%s(0x%p, %d)\n", __FUNCTION__, dino_dev, irq);
+        DBG(KERN_WARNING "%s(0x%p, %d)\n", __func__, dino_dev, irq);
        /* Clear the matching bit in the IMR register */
        dino_dev->imr &= ~(DINO_MASK_IRQ(local_irq));
@@ -314,7 +314,7 @@ static void dino_enable_irq(unsigned int irq)
        int local_irq = gsc_find_local_irq(irq, dino_dev->global_irq, DINO_LOCAL_IRQS);
        u32 tmp;
-        DBG(KERN_WARNING "%s(0x%p, %d)\n", __FUNCTION__, dino_dev, irq);
+        DBG(KERN_WARNING "%s(0x%p, %d)\n", __func__, dino_dev, irq);
        /*
        ** clear pending IRQ bits
@@ -340,7 +340,7 @@ static void dino_enable_irq(unsigned int irq)
        tmp = __raw_readl(dino_dev->hba.base_addr+DINO_ILR);
        if (tmp & DINO_MASK_IRQ(local_irq)) {
                DBG(KERN_WARNING "%s(): IRQ asserted! (ILR 0x%x)\n",
-                                __FUNCTION__, tmp);
+                                __func__, tmp);
                gsc_writel(dino_dev->txn_data, dino_dev->txn_addr);
        }
 }
@@ -388,7 +388,7 @@ ilr_again:
                int local_irq = __ffs(mask);
                int irq = dino_dev->global_irq[local_irq];
                DBG(KERN_DEBUG "%s(%d, %p) mask 0x%x\n",
-                        __FUNCTION__, irq, intr_dev, mask);
+                        __func__, irq, intr_dev, mask);
                __do_IRQ(irq);
                mask &= ~(1 << local_irq);
        } while (mask);
@@ -566,7 +566,7 @@ dino_fixup_bus(struct pci_bus *bus)
        int port_base = HBA_PORT_BASE(dino_dev->hba.hba_num);
        DBG(KERN_WARNING "%s(0x%p) bus %d platform_data 0x%p\n",
-            __FUNCTION__, bus, bus->secondary, 
+            __func__, bus, bus->secondary,
            bus->bridge->platform_data);
        /* Firmware doesn't set up card-mode dino, so we have to */
diff --git a/drivers/parisc/gsc.c b/drivers/parisc/gsc.c
index 1b3e3fd12d95..f7d088b897ee 100644
--- a/drivers/parisc/gsc.c
+++ b/drivers/parisc/gsc.c
@@ -112,7 +112,7 @@ static void gsc_asic_disable_irq(unsigned int irq)
        int local_irq = gsc_find_local_irq(irq, irq_dev->global_irq, 32);
        u32 imr;
-        DEBPRINTK(KERN_DEBUG "%s(%d) %s: IMR 0x%x\n", __FUNCTION__, irq,
+        DEBPRINTK(KERN_DEBUG "%s(%d) %s: IMR 0x%x\n", __func__, irq,
                        irq_dev->name, imr);
        /* Disable the IRQ line by clearing the bit in the IMR */
@@ -127,7 +127,7 @@ static void gsc_asic_enable_irq(unsigned int irq)
        int local_irq = gsc_find_local_irq(irq, irq_dev->global_irq, 32);
        u32 imr;
-        DEBPRINTK(KERN_DEBUG "%s(%d) %s: IMR 0x%x\n", __FUNCTION__, irq,
+        DEBPRINTK(KERN_DEBUG "%s(%d) %s: IMR 0x%x\n", __func__, irq,
                        irq_dev->name, imr);
        /* Enable the IRQ line by setting the bit in the IMR */
diff --git a/drivers/parisc/lasi.c b/drivers/parisc/lasi.c
index cb3d28176129..bee510098ce8 100644
--- a/drivers/parisc/lasi.c
+++ b/drivers/parisc/lasi.c
@@ -193,7 +193,7 @@ lasi_init_chip(struct parisc_device *dev)
        dev->irq = gsc_alloc_irq(&gsc_irq);
        if (dev->irq < 0) {
                printk(KERN_ERR "%s(): cannot get GSC irq\n",
-                                __FUNCTION__);
+                                __func__);
                kfree(lasi);
                return -EBUSY;
        }
diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c
index 66ce61048361..a28c8946deaa 100644
--- a/drivers/parisc/lba_pci.c
+++ b/drivers/parisc/lba_pci.c
@@ -377,12 +377,12 @@ static int elroy_cfg_read(struct pci_bus *bus, unsigned int devfn, int pos, int
                /* original - Generate config cycle on broken elroy
                  with risk we will miss PCI bus errors. */
                *data = lba_rd_cfg(d, tok, pos, size);
-                DBG_CFG("%s(%x+%2x) -> 0x%x (a)\n", __FUNCTION__, tok, pos, *data);
+                DBG_CFG("%s(%x+%2x) -> 0x%x (a)\n", __func__, tok, pos, *data);
                return 0;
        }
        if (LBA_SKIP_PROBE(d) && !lba_device_present(bus->secondary, devfn, d)) {
-                DBG_CFG("%s(%x+%2x) -> -1 (b)\n", __FUNCTION__, tok, pos);
+                DBG_CFG("%s(%x+%2x) -> -1 (b)\n", __func__, tok, pos);
                /* either don't want to look or know device isn't present. */
                *data = ~0U;
                return(0);
@@ -398,7 +398,7 @@ static int elroy_cfg_read(struct pci_bus *bus, unsigned int devfn, int pos, int
        case 2: *data = READ_REG16(data_reg + (pos & 2)); break;
        case 4: *data = READ_REG32(data_reg); break;
        }
-        DBG_CFG("%s(%x+%2x) -> 0x%x (c)\n", __FUNCTION__, tok, pos, *data);
+        DBG_CFG("%s(%x+%2x) -> 0x%x (c)\n", __func__, tok, pos, *data);
        return 0;
 }
@@ -441,16 +441,16 @@ static int elroy_cfg_write(struct pci_bus *bus, unsigned int devfn, int pos, int
        if (!LBA_SKIP_PROBE(d)) {
                /* Original Workaround */
                lba_wr_cfg(d, tok, pos, (u32) data, size);
-                DBG_CFG("%s(%x+%2x) = 0x%x (a)\n", __FUNCTION__, tok, pos,data);
+                DBG_CFG("%s(%x+%2x) = 0x%x (a)\n", __func__, tok, pos,data);
                return 0;
        }
        if (LBA_SKIP_PROBE(d) && (!lba_device_present(bus->secondary, devfn, d))) {
-                DBG_CFG("%s(%x+%2x) = 0x%x (b)\n", __FUNCTION__, tok, pos,data);
+                DBG_CFG("%s(%x+%2x) = 0x%x (b)\n", __func__, tok, pos,data);
                return 1; /* New Workaround */
        }
-        DBG_CFG("%s(%x+%2x) = 0x%x (c)\n", __FUNCTION__, tok, pos, data);
+        DBG_CFG("%s(%x+%2x) = 0x%x (c)\n", __func__, tok, pos, data);
        /* Basic Algorithm */
        LBA_CFG_ADDR_SETUP(d, tok | pos);
@@ -521,7 +521,7 @@ static int mercury_cfg_write(struct pci_bus *bus, unsigned int devfn, int pos, i
        if ((pos > 255) || (devfn > 255))
                return -EINVAL;
-        DBG_CFG("%s(%x+%2x) <- 0x%x (c)\n", __FUNCTION__, tok, pos, data);
+        DBG_CFG("%s(%x+%2x) <- 0x%x (c)\n", __func__, tok, pos, data);
        LBA_CFG_TR4_ADDR_SETUP(d, tok | pos);
        switch(size) {
@@ -890,7 +890,7 @@ LBA_PORT_IN(32, 0)
 #define LBA_PORT_OUT(size, mask) \
 static void lba_astro_out##size (struct pci_hba_data *d, u16 addr, u##size val) \
 { \
-        DBG_PORT("%s(0x%p, 0x%x, 0x%x)\n", __FUNCTION__, d, addr, val); \
+        DBG_PORT("%s(0x%p, 0x%x, 0x%x)\n", __func__, d, addr, val); \
        WRITE_REG##size(val, astro_iop_base + addr); \
        if (LBA_DEV(d)->hw_rev < 3) \
                lba_t32 = READ_U32(d->base_addr + LBA_FUNC_ID); \
@@ -932,7 +932,7 @@ static struct pci_port_ops lba_astro_port_ops = {
 static u##size lba_pat_in##size (struct pci_hba_data *l, u16 addr) \
 { \
        u##size t; \
-        DBG_PORT("%s(0x%p, 0x%x) ->", __FUNCTION__, l, addr); \
+        DBG_PORT("%s(0x%p, 0x%x) ->", __func__, l, addr); \
        t = READ_REG##size(PIOP_TO_GMMIO(LBA_DEV(l), addr)); \
        DBG_PORT(" 0x%x\n", t); \
        return (t); \
@@ -948,7 +948,7 @@ LBA_PORT_IN(32, 0)
 static void lba_pat_out##size (struct pci_hba_data *l, u16 addr, u##size val) \
 { \
        void __iomem *where = PIOP_TO_GMMIO(LBA_DEV(l), addr); \
-        DBG_PORT("%s(0x%p, 0x%x, 0x%x)\n", __FUNCTION__, l, addr, val); \
+        DBG_PORT("%s(0x%p, 0x%x, 0x%x)\n", __func__, l, addr, val); \
        WRITE_REG##size(val, where); \
        /* flush the I/O down to the elroy at least */ \
        lba_t32 = READ_U32(l->base_addr + LBA_FUNC_ID); \
@@ -1584,7 +1584,7 @@ void lba_set_iregs(struct parisc_device *lba, u32 ibase, u32 imask)
        WARN_ON((ibase & 0x001fffff) != 0);
        WARN_ON((imask & 0x001fffff) != 0);
        
-        DBG("%s() ibase 0x%x imask 0x%x\n", __FUNCTION__, ibase, imask);
+        DBG("%s() ibase 0x%x imask 0x%x\n", __func__, ibase, imask);
        WRITE_REG32( imask, base_addr + LBA_IMASK);
        WRITE_REG32( ibase, base_addr + LBA_IBASE);
        iounmap(base_addr);
diff --git a/drivers/parisc/led.c b/drivers/parisc/led.c
index 703b85edb004..f9b12664f9fb 100644
--- a/drivers/parisc/led.c
+++ b/drivers/parisc/led.c
@@ -569,7 +569,7 @@ int __init register_led_driver(int model, unsigned long cmd_reg, unsigned long d
        default:
                printk(KERN_ERR "%s: Wrong LCD/LED model %d !\n",
-                       __FUNCTION__, lcd_info.model);
+                       __func__, lcd_info.model);
                return 1;
        }
        
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index afc849bd3f58..bc73b96346ff 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -384,7 +384,7 @@ sba_search_bitmap(struct ioc *ioc, struct device *dev,
                }
                mask = RESMAP_MASK(bits_wanted) >> bitshiftcnt;
-                DBG_RES("%s() o %ld %p", __FUNCTION__, o, res_ptr);
+                DBG_RES("%s() o %ld %p", __func__, o, res_ptr);
                while(res_ptr < res_end)
                { 
                        DBG_RES("    %p %lx %lx\n", res_ptr, mask, *res_ptr);
@@ -454,7 +454,7 @@ sba_alloc_range(struct ioc *ioc, struct device *dev, size_t size)
 #endif
        DBG_RES("%s(%x) %d -> %lx hint %x/%x\n",
-                __FUNCTION__, size, pages_needed, pide,
+                __func__, size, pages_needed, pide,
                (uint) ((unsigned long) ioc->res_hint - (unsigned long) ioc->res_map),
                ioc->res_bitshift );
@@ -497,7 +497,7 @@ sba_free_range(struct ioc *ioc, dma_addr_t iova, size_t size)
        unsigned long m = RESMAP_MASK(bits_not_wanted) >> (pide & (BITS_PER_LONG - 1));
        DBG_RES("%s( ,%x,%x) %x/%lx %x %p %lx\n",
-                __FUNCTION__, (uint) iova, size,
+                __func__, (uint) iova, size,
                bits_not_wanted, m, pide, res_ptr, *res_ptr);
 #ifdef SBA_COLLECT_STATS
@@ -740,7 +740,7 @@ sba_map_single(struct device *dev, void *addr, size_t size,
        iovp = (dma_addr_t) pide << IOVP_SHIFT;
        DBG_RUN("%s() 0x%p -> 0x%lx\n",
-                __FUNCTION__, addr, (long) iovp | offset);
+                __func__, addr, (long) iovp | offset);
        pdir_start = &(ioc->pdir_base[pide]);
@@ -798,7 +798,7 @@ sba_unmap_single(struct device *dev, dma_addr_t iova, size_t size,
        unsigned long flags; 
        dma_addr_t offset;
-        DBG_RUN("%s() iovp 0x%lx/%x\n", __FUNCTION__, (long) iova, size);
+        DBG_RUN("%s() iovp 0x%lx/%x\n", __func__, (long) iova, size);
        ioc = GET_IOC(dev);
        offset = iova & ~IOVP_MASK;
@@ -937,7 +937,7 @@ sba_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
        int coalesced, filled = 0;
        unsigned long flags;
-        DBG_RUN_SG("%s() START %d entries\n", __FUNCTION__, nents);
+        DBG_RUN_SG("%s() START %d entries\n", __func__, nents);
        ioc = GET_IOC(dev);
@@ -998,7 +998,7 @@ sba_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
        spin_unlock_irqrestore(&ioc->res_lock, flags);
-        DBG_RUN_SG("%s() DONE %d mappings\n", __FUNCTION__, filled);
+        DBG_RUN_SG("%s() DONE %d mappings\n", __func__, filled);
        return filled;
 }
@@ -1023,7 +1023,7 @@ sba_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents,
 #endif
        DBG_RUN_SG("%s() START %d entries,  %p,%x\n",
-                __FUNCTION__, nents, sg_virt_addr(sglist), sglist->length);
+                __func__, nents, sg_virt_addr(sglist), sglist->length);
        ioc = GET_IOC(dev);
@@ -1047,7 +1047,7 @@ sba_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents,
                ++sglist;
        }
-        DBG_RUN_SG("%s() DONE (nents %d)\n", __FUNCTION__,  nents);
+        DBG_RUN_SG("%s() DONE (nents %d)\n", __func__,  nents);
 #ifdef ASSERT_PDIR_SANITY
        spin_lock_irqsave(&ioc->res_lock, flags);
@@ -1118,7 +1118,7 @@ sba_alloc_pdir(unsigned int pdir_size)
        pdir_base = __get_free_pages(GFP_KERNEL, pdir_order);
        if (NULL == (void *) pdir_base) {
                panic("%s() could not allocate I/O Page Table\n",
-                        __FUNCTION__);
+                        __func__);
        }
        /* If this is not PA8700 (PCX-W2)
@@ -1261,7 +1261,7 @@ sba_ioc_init_pluto(struct parisc_device *sba, struct ioc *ioc, int ioc_num)
        ioc->pdir_size = (iova_space_size / IOVP_SIZE) * sizeof(u64);
        DBG_INIT("%s() hpa 0x%p IOV %dMB (%d bits)\n",
-                __FUNCTION__, ioc->ioc_hpa, iova_space_size >> 20,
+                __func__, ioc->ioc_hpa, iova_space_size >> 20,
                iov_order + PAGE_SHIFT);
        ioc->pdir_base = (void *) __get_free_pages(GFP_KERNEL,
@@ -1272,7 +1272,7 @@ sba_ioc_init_pluto(struct parisc_device *sba, struct ioc *ioc, int ioc_num)
        memset(ioc->pdir_base, 0, ioc->pdir_size);
        DBG_INIT("%s() pdir %p size %x\n",
-                        __FUNCTION__, ioc->pdir_base, ioc->pdir_size);
+                        __func__, ioc->pdir_base, ioc->pdir_size);
 #ifdef SBA_HINT_SUPPORT
        ioc->hint_shift_pdir = iov_order + PAGE_SHIFT;
@@ -1354,7 +1354,7 @@ sba_ioc_init_pluto(struct parisc_device *sba, struct ioc *ioc, int ioc_num)
        if (agp_found && sba_reserve_agpgart) {
                printk(KERN_INFO "%s: reserving %dMb of IOVA space for agpgart\n",
-                       __FUNCTION__, (iova_space_size/2) >> 20);
+                       __func__, (iova_space_size/2) >> 20);
                ioc->pdir_size /= 2;
                ioc->pdir_base[PDIR_INDEX(iova_space_size/2)] = SBA_AGPGART_COOKIE;
        }
@@ -1406,7 +1406,7 @@ sba_ioc_init(struct parisc_device *sba, struct ioc *ioc, int ioc_num)
        ioc->pdir_size = pdir_size = (iova_space_size/IOVP_SIZE) * sizeof(u64);
        DBG_INIT("%s() hpa 0x%lx mem %ldMB IOV %dMB (%d bits)\n",
-                        __FUNCTION__,
+                        __func__,
                        ioc->ioc_hpa,
                        (unsigned long) num_physpages >> (20 - PAGE_SHIFT),
                        iova_space_size>>20,
@@ -1415,7 +1415,7 @@ sba_ioc_init(struct parisc_device *sba, struct ioc *ioc, int ioc_num)
        ioc->pdir_base = sba_alloc_pdir(pdir_size);
        DBG_INIT("%s() pdir %p size %x\n",
-                        __FUNCTION__, ioc->pdir_base, pdir_size);
+                        __func__, ioc->pdir_base, pdir_size);
 #ifdef SBA_HINT_SUPPORT
        /* FIXME : DMA HINTs not used */
@@ -1443,7 +1443,7 @@ sba_ioc_init(struct parisc_device *sba, struct ioc *ioc, int ioc_num)
 #endif
        DBG_INIT("%s() IOV base 0x%lx mask 0x%0lx\n",
-                __FUNCTION__, ioc->ibase, ioc->imask);
+                __func__, ioc->ibase, ioc->imask);
        /*
        ** FIXME: Hint registers are programmed with default hint
@@ -1470,7 +1470,7 @@ sba_ioc_init(struct parisc_device *sba, struct ioc *ioc, int ioc_num)
        ioc->ibase = 0; /* used by SBA_IOVA and related macros */       
-        DBG_INIT("%s() DONE\n", __FUNCTION__);
+        DBG_INIT("%s() DONE\n", __func__);
 }
@@ -1544,7 +1544,7 @@ printk("sba_hw_init(): mem_boot 0x%x 0x%x 0x%x 0x%x\n", PAGE0->mem_boot.hpa,
        if (!IS_PLUTO(sba_dev->dev)) {
                ioc_ctl = READ_REG(sba_dev->sba_hpa+IOC_CTRL);
                DBG_INIT("%s() hpa 0x%lx ioc_ctl 0x%Lx ->",
-                        __FUNCTION__, sba_dev->sba_hpa, ioc_ctl);
+                        __func__, sba_dev->sba_hpa, ioc_ctl);
                ioc_ctl &= ~(IOC_CTRL_RM | IOC_CTRL_NC | IOC_CTRL_CE);
                ioc_ctl |= IOC_CTRL_DD | IOC_CTRL_D4 | IOC_CTRL_TC;
                        /* j6700 v1.6 firmware sets 0x294f */
@@ -1675,7 +1675,7 @@ sba_common_init(struct sba_device *sba_dev)
                res_size >>= 3;  /* convert bit count to byte count */
                DBG_INIT("%s() res_size 0x%x\n",
-                        __FUNCTION__, res_size);
+                        __func__, res_size);
                sba_dev->ioc[i].res_size = res_size;
                sba_dev->ioc[i].res_map = (char *) __get_free_pages(GFP_KERNEL, get_order(res_size));
@@ -1688,7 +1688,7 @@ sba_common_init(struct sba_device *sba_dev)
                if (NULL == sba_dev->ioc[i].res_map)
                {
                        panic("%s:%s() could not allocate resource map\n",
-                              __FILE__, __FUNCTION__ );
+                              __FILE__, __func__ );
                }
                memset(sba_dev->ioc[i].res_map, 0, res_size);
@@ -1725,7 +1725,7 @@ sba_common_init(struct sba_device *sba_dev)
 #endif
                DBG_INIT("%s() %d res_map %x %p\n",
-                        __FUNCTION__, i, res_size, sba_dev->ioc[i].res_map);
+                        __func__, i, res_size, sba_dev->ioc[i].res_map);
        }
        spin_lock_init(&sba_dev->sba_lock);
diff --git a/drivers/parisc/wax.c b/drivers/parisc/wax.c
index 813c2c24ab1e..892a83bbe73d 100644
--- a/drivers/parisc/wax.c
+++ b/drivers/parisc/wax.c
@@ -93,7 +93,7 @@ wax_init_chip(struct parisc_device *dev)
        dev->irq = gsc_claim_irq(&gsc_irq, WAX_GSC_IRQ);
        if (dev->irq < 0) {
                printk(KERN_ERR "%s(): cannot get GSC irq\n",
-                                __FUNCTION__);
+                                __func__);
                kfree(wax);
                return -EBUSY;
        }
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 1fd8bb765702..66c0fd21894b 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -49,7 +49,7 @@
 #define DEFAULT_DOMAIN_ADDRESS_WIDTH 48
-#define DMAR_OPERATION_TIMEOUT (HZ*60) /* 1m */
+#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000) /* 10sec */
 #define DOMAIN_MAX_ADDR(gaw) ((((u64)1) << gaw) - 1)
@@ -490,12 +490,12 @@ static int iommu_alloc_root_entry(struct intel_iommu *iommu)
 #define IOMMU_WAIT_OP(iommu, offset, op, cond, sts) \
 {\
-        unsigned long start_time = jiffies;\
+        cycles_t start_time = get_cycles();\
        while (1) {\
                sts = op (iommu->reg + offset);\
                if (cond)\
                        break;\
-                if (time_after(jiffies, start_time + DMAR_OPERATION_TIMEOUT))\
+                if (DMAR_OPERATION_TIMEOUT < (get_cycles() - start_time))\
                        panic("DMAR hardware is malfunctioning\n");\
                cpu_relax();\
        }\
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 72f7476930c8..9d6fc8e6285d 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -19,8 +19,31 @@
 #include <linux/pci-acpi.h>
 #include "pci.h"
-static u32 ctrlset_buf[3] = {0, 0, 0};
+struct acpi_osc_data {
-static u32 global_ctrlsets = 0;
+        acpi_handle handle;
+        u32 ctrlset_buf[3];
+        u32 global_ctrlsets;
+        struct list_head sibiling;
+};
+static LIST_HEAD(acpi_osc_data_list);
+static struct acpi_osc_data *acpi_get_osc_data(acpi_handle handle)
+{
+        struct acpi_osc_data *data;
+        list_for_each_entry(data, &acpi_osc_data_list, sibiling) {
+                if (data->handle == handle)
+                        return data;
+        }
+        data = kzalloc(sizeof(*data), GFP_KERNEL);
+        if (!data)
+                return NULL;
+        INIT_LIST_HEAD(&data->sibiling);
+        data->handle = handle;
+        list_add_tail(&data->sibiling, &acpi_osc_data_list);
+        return data;
+}
 static u8 OSC_UUID[16] = {0x5B, 0x4D, 0xDB, 0x33, 0xF7, 0x1F, 0x1C, 0x40, 0x96, 0x57, 0x74, 0x41, 0xC0, 0x3D, 0xD7, 0x66};
 static acpi_status  
@@ -37,8 +60,27 @@ acpi_query_osc (
        union acpi_object       *out_obj;
        u32                     osc_dw0;
        acpi_status *ret_status = (acpi_status *)retval;
+        struct acpi_osc_data *osc_data;
+        u32 flags = (unsigned long)context, temp;
+        acpi_handle tmp;
+        status = acpi_get_handle(handle, "_OSC", &tmp);
+        if (ACPI_FAILURE(status))
+                return status;
+        osc_data = acpi_get_osc_data(handle);
+        if (!osc_data) {
+                printk(KERN_ERR "acpi osc data array is full\n");
+                return AE_ERROR;
+        }
+        osc_data->ctrlset_buf[OSC_SUPPORT_TYPE] |= (flags & OSC_SUPPORT_MASKS);
+        /* do _OSC query for all possible controls */
+        temp = osc_data->ctrlset_buf[OSC_CONTROL_TYPE];
+        osc_data->ctrlset_buf[OSC_QUERY_TYPE] = OSC_QUERY_ENABLE;
+        osc_data->ctrlset_buf[OSC_CONTROL_TYPE] = OSC_CONTROL_MASKS;
-        
        /* Setting up input parameters */
        input.count = 4;
        input.pointer = in_params;
@@ -51,13 +93,11 @@ acpi_query_osc (
        in_params[2].integer.value      = 3;
        in_params[3].type               = ACPI_TYPE_BUFFER;
        in_params[3].buffer.length      = 12;
-        in_params[3].buffer.pointer     = (u8 *)context;
+        in_params[3].buffer.pointer     = (u8 *)osc_data->ctrlset_buf;
        status = acpi_evaluate_object(handle, "_OSC", &input, &output);
-        if (ACPI_FAILURE (status)) {
+        if (ACPI_FAILURE(status))
-                *ret_status = status;
+                goto out_nofree;
-                return status;
-        }
        out_obj = output.pointer;
        if (out_obj->type != ACPI_TYPE_BUFFER) {
@@ -76,7 +116,8 @@ acpi_query_osc (
                        printk(KERN_DEBUG "_OSC invalid revision\n"); 
                if (osc_dw0 & OSC_CAPABILITIES_MASK_ERROR) {
                        /* Update Global Control Set */
-                        global_ctrlsets = *((u32 *)(out_obj->buffer.pointer+8));
+                        osc_data->global_ctrlsets =
+                                *((u32 *)(out_obj->buffer.pointer + 8));
                        status = AE_OK;
                        goto query_osc_out;
                }
@@ -85,12 +126,21 @@ acpi_query_osc (
        }
        /* Update Global Control Set */
-        global_ctrlsets = *((u32 *)(out_obj->buffer.pointer + 8));
+        osc_data->global_ctrlsets = *((u32 *)(out_obj->buffer.pointer + 8));
        status = AE_OK;
 query_osc_out:
        kfree(output.pointer);
+out_nofree:
        *ret_status = status;
+        osc_data->ctrlset_buf[OSC_QUERY_TYPE] = !OSC_QUERY_ENABLE;
+        osc_data->ctrlset_buf[OSC_CONTROL_TYPE] = temp;
+        if (ACPI_FAILURE(status)) {
+                /* no osc support at all */
+                osc_data->ctrlset_buf[OSC_SUPPORT_TYPE] = 0;
+        }
        return status;
 }
@@ -165,28 +215,15 @@ run_osc_out:
 **/
 acpi_status __pci_osc_support_set(u32 flags, const char *hid)
 {
-        u32 temp;
+        acpi_status retval = AE_NOT_FOUND;
-        acpi_status retval;
        if (!(flags & OSC_SUPPORT_MASKS)) {
                return AE_TYPE;
        }
-        ctrlset_buf[OSC_SUPPORT_TYPE] |= (flags & OSC_SUPPORT_MASKS);
-        /* do _OSC query for all possible controls */
-        temp = ctrlset_buf[OSC_CONTROL_TYPE];
-        ctrlset_buf[OSC_QUERY_TYPE] = OSC_QUERY_ENABLE;
-        ctrlset_buf[OSC_CONTROL_TYPE] = OSC_CONTROL_MASKS;
        acpi_get_devices(hid,
                        acpi_query_osc,
-                        ctrlset_buf,
+                        (void *)(unsigned long)flags,
                        (void **) &retval );
-        ctrlset_buf[OSC_QUERY_TYPE] = !OSC_QUERY_ENABLE;
-        ctrlset_buf[OSC_CONTROL_TYPE] = temp;
-        if (ACPI_FAILURE(retval)) {
-                /* no osc support at all */
-                ctrlset_buf[OSC_SUPPORT_TYPE] = 0;
-        }
        return AE_OK;
 }
@@ -201,19 +238,31 @@ acpi_status pci_osc_control_set(acpi_handle handle, u32 flags)
 {
        acpi_status     status;
        u32             ctrlset;
+        acpi_handle tmp;
+        struct acpi_osc_data *osc_data;
+        status = acpi_get_handle(handle, "_OSC", &tmp);
+        if (ACPI_FAILURE(status))
+                return status;
+        osc_data = acpi_get_osc_data(handle);
+        if (!osc_data) {
+                printk(KERN_ERR "acpi osc data array is full\n");
+                return AE_ERROR;
+        }
        ctrlset = (flags & OSC_CONTROL_MASKS);
        if (!ctrlset) {
                return AE_TYPE;
        }
-        if (ctrlset_buf[OSC_SUPPORT_TYPE] && 
+        if (osc_data->ctrlset_buf[OSC_SUPPORT_TYPE] &&
-                ((global_ctrlsets & ctrlset) != ctrlset)) {
+                ((osc_data->global_ctrlsets & ctrlset) != ctrlset)) {
                return AE_SUPPORT;
        }
-        ctrlset_buf[OSC_CONTROL_TYPE] |= ctrlset;
+        osc_data->ctrlset_buf[OSC_CONTROL_TYPE] |= ctrlset;
-        status = acpi_run_osc(handle, ctrlset_buf);
+        status = acpi_run_osc(handle, osc_data->ctrlset_buf);
        if (ACPI_FAILURE (status)) {
-                ctrlset_buf[OSC_CONTROL_TYPE] &= ~ctrlset;
+                osc_data->ctrlset_buf[OSC_CONTROL_TYPE] &= ~ctrlset;
        }
        
        return status;
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index afd914ebe215..dabb563f51d9 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1503,8 +1503,7 @@ static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f, struct pci_f
                    (f->device == dev->device || f->device == (u16) PCI_ANY_ID)) {
 #ifdef DEBUG
                        dev_dbg(&dev->dev, "calling ");
-                        print_fn_descriptor_symbol("%s()\n",
+                        print_fn_descriptor_symbol("%s\n", f->hook);
-                                (unsigned long) f->hook);
 #endif
                        f->hook(dev);
                }
@@ -1826,6 +1825,7 @@ static void __devinit nv_msi_ht_cap_quirk(struct pci_dev *dev)
        }
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, nv_msi_ht_cap_quirk);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, PCI_ANY_ID, nv_msi_ht_cap_quirk);
 static void __devinit quirk_msi_intx_disable_bug(struct pci_dev *dev)
 {
diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h
index 4fe7c58f57e9..886dac823ed6 100644
--- a/drivers/pnp/base.h
+++ b/drivers/pnp/base.h
@@ -19,6 +19,7 @@ void pnp_remove_card(struct pnp_card *card);
 int pnp_add_card_device(struct pnp_card *card, struct pnp_dev *dev);
 void pnp_remove_card_device(struct pnp_dev *dev);
+struct pnp_option *pnp_build_option(int priority);
 struct pnp_option *pnp_register_independent_option(struct pnp_dev *dev);
 struct pnp_option *pnp_register_dependent_option(struct pnp_dev *dev,
                                                 int priority);
diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c
index 5d9301de1778..5695a79f3a52 100644
--- a/drivers/pnp/interface.c
+++ b/drivers/pnp/interface.c
@@ -424,7 +424,7 @@ pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr,
                                start = simple_strtoul(buf, &buf, 0);
                                pnp_res = pnp_add_irq_resource(dev, start, 0);
                                if (pnp_res)
-                                        nirq++;
+                                        pnp_res->index = nirq++;
                                continue;
                        }
                        if (!strnicmp(buf, "dma", 3)) {
diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c
index d049a2279fea..e2b7de4cb05e 100644
--- a/drivers/pnp/quirks.c
+++ b/drivers/pnp/quirks.c
@@ -111,6 +111,113 @@ static void quirk_sb16audio_resources(struct pnp_dev *dev)
                dev_info(&dev->dev, "SB audio device quirk - increased port range\n");
 }
+static struct pnp_option *quirk_isapnp_mpu_options(struct pnp_dev *dev)
+{
+        struct pnp_option *head = NULL;
+        struct pnp_option *prev = NULL;
+        struct pnp_option *res;
+        /*
+         * Build a functional IRQ-less variant of each MPU option.
+         */
+        for (res = dev->dependent; res; res = res->next) {
+                struct pnp_option *curr;
+                struct pnp_port *port;
+                struct pnp_port *copy;
+                port = res->port;
+                if (!port || !res->irq)
+                        continue;
+                copy = pnp_alloc(sizeof *copy);
+                if (!copy)
+                        break;
+                copy->min = port->min;
+                copy->max = port->max;
+                copy->align = port->align;
+                copy->size = port->size;
+                copy->flags = port->flags;
+                curr = pnp_build_option(PNP_RES_PRIORITY_FUNCTIONAL);
+                if (!curr) {
+                        kfree(copy);
+                        break;
+                }
+                curr->port = copy;
+                if (prev)
+                        prev->next = curr;
+                else
+                        head = curr;
+                prev = curr;
+        }
+        if (head)
+                dev_info(&dev->dev, "adding IRQ-less MPU options\n");
+        return head;
+}
+static void quirk_ad1815_mpu_resources(struct pnp_dev *dev)
+{
+        struct pnp_option *res;
+        struct pnp_irq *irq;
+        /*
+         * Distribute the independent IRQ over the dependent options
+         */
+        res = dev->independent;
+        if (!res)
+                return;
+        irq = res->irq;
+        if (!irq || irq->next)
+                return;
+        res = dev->dependent;
+        if (!res)
+                return;
+        while (1) {
+                struct pnp_irq *copy;
+                copy = pnp_alloc(sizeof *copy);
+                if (!copy)
+                        break;
+                memcpy(copy->map, irq->map, sizeof copy->map);
+                copy->flags = irq->flags;
+                copy->next = res->irq; /* Yes, this is NULL */
+                res->irq = copy;
+                if (!res->next)
+                        break;
+                res = res->next;
+        }
+        kfree(irq);
+        res->next = quirk_isapnp_mpu_options(dev);
+        res = dev->independent;
+        res->irq = NULL;
+}
+static void quirk_isapnp_mpu_resources(struct pnp_dev *dev)
+{
+        struct pnp_option *res;
+        res = dev->dependent;
+        if (!res)
+                return;
+        while (res->next)
+                res = res->next;
+        res->next = quirk_isapnp_mpu_options(dev);
+}
 #include <linux/pci.h>
@@ -205,6 +312,11 @@ static struct pnp_fixup pnp_fixups[] = {
        {"CTL0043", quirk_sb16audio_resources},
        {"CTL0044", quirk_sb16audio_resources},
        {"CTL0045", quirk_sb16audio_resources},
+        /* Add IRQ-less MPU options */
+        {"ADS7151", quirk_ad1815_mpu_resources},
+        {"ADS7181", quirk_isapnp_mpu_resources},
+        {"AZT0002", quirk_isapnp_mpu_resources},
+        /* PnP resources that might overlap PCI BARs */
        {"PNP0c01", quirk_system_pci_resources},
        {"PNP0c02", quirk_system_pci_resources},
        {""}
@@ -212,20 +324,15 @@ static struct pnp_fixup pnp_fixups[] = {
 void pnp_fixup_device(struct pnp_dev *dev)
 {
-        int i = 0;
+        struct pnp_fixup *f;
-        void (*quirk)(struct pnp_dev *);
-        while (*pnp_fixups[i].id) {
-                if (compare_pnp_id(dev->id, pnp_fixups[i].id)) {
-                        quirk = pnp_fixups[i].quirk_function;
+        for (f = pnp_fixups; *f->id; f++) {
+                if (!compare_pnp_id(dev->id, f->id))
+                        continue;
 #ifdef DEBUG
-                        dev_dbg(&dev->dev, "calling ");
+                dev_dbg(&dev->dev, "%s: calling ", f->id);
-                        print_fn_descriptor_symbol("%s()\n",
+                print_fn_descriptor_symbol("%s\n", f->quirk_function);
-                                (unsigned long) *quirk);
 #endif
-                        (*quirk)(dev);
+                f->quirk_function(dev);
-                }
-                i++;
        }
 }
diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c
index 2041620d5682..390b50096e30 100644
--- a/drivers/pnp/resource.c
+++ b/drivers/pnp/resource.c
@@ -28,7 +28,7 @@ static int pnp_reserve_mem[16] = {[0 ... 15] = -1 };	/* reserve (don't use) some
 * option registration
 */
-static struct pnp_option *pnp_build_option(int priority)
+struct pnp_option *pnp_build_option(int priority)
 {
        struct pnp_option *option = pnp_alloc(sizeof(struct pnp_option));
diff --git a/drivers/pnp/support.c b/drivers/pnp/support.c
index 3eba85ed729c..95b076c18c07 100644
--- a/drivers/pnp/support.c
+++ b/drivers/pnp/support.c
@@ -45,10 +45,10 @@ void pnp_eisa_id_to_string(u32 id, char *str)
        str[0] = 'A' + ((id >> 26) & 0x3f) - 1;
        str[1] = 'A' + ((id >> 21) & 0x1f) - 1;
        str[2] = 'A' + ((id >> 16) & 0x1f) - 1;
-        str[3] = hex_asc((id >> 12) & 0xf);
+        str[3] = hex_asc_hi(id >> 8);
-        str[4] = hex_asc((id >>  8) & 0xf);
+        str[4] = hex_asc_lo(id >> 8);
-        str[5] = hex_asc((id >>  4) & 0xf);
+        str[5] = hex_asc_hi(id);
-        str[6] = hex_asc((id >>  0) & 0xf);
+        str[6] = hex_asc_lo(id);
        str[7] = '\0';
 }
diff --git a/drivers/rtc/rtc-lib.c b/drivers/rtc/rtc-lib.c
index ba795a4db1e9..9f996ec881ce 100644
--- a/drivers/rtc/rtc-lib.c
+++ b/drivers/rtc/rtc-lib.c
@@ -51,7 +51,7 @@ EXPORT_SYMBOL(rtc_year_days);
 */
 void rtc_time_to_tm(unsigned long time, struct rtc_time *tm)
 {
-        register int days, month, year;
+        unsigned int days, month, year;
        days = time / 86400;
        time -= days * 86400;
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index 316bfaa80872..a3e0880b38fb 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -15,6 +15,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/i2c.h>
@@ -803,6 +804,7 @@ static int m41t80_probe(struct i2c_client *client,
 #ifdef CONFIG_RTC_DRV_M41T80_WDT
        if (clientdata->features & M41T80_FEATURE_HT) {
+                save_client = client;
                rc = misc_register(&wdt_dev);
                if (rc)
                        goto exit;
@@ -811,7 +813,6 @@ static int m41t80_probe(struct i2c_client *client,
                        misc_deregister(&wdt_dev);
                        goto exit;
                }
-                save_client = client;
        }
 #endif
        return 0;
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index ac6d4d3218b3..8ba3f135da22 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -925,6 +925,8 @@ static void dasd_handle_killed_request(struct ccw_device *cdev,
        struct dasd_ccw_req *cqr;
        struct dasd_device *device;
+        if (!intparm)
+                return;
        cqr = (struct dasd_ccw_req *) intparm;
        if (cqr->status != DASD_CQR_IN_IO) {
                MESSAGE(KERN_DEBUG,
@@ -976,17 +978,16 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
        if (IS_ERR(irb)) {
                switch (PTR_ERR(irb)) {
                case -EIO:
-                        dasd_handle_killed_request(cdev, intparm);
                        break;
                case -ETIMEDOUT:
                        printk(KERN_WARNING"%s(%s): request timed out\n",
                               __func__, cdev->dev.bus_id);
-                        //FIXME - dasd uses own timeout interface...
                        break;
                default:
                        printk(KERN_WARNING"%s(%s): unknown error %ld\n",
                               __func__, cdev->dev.bus_id, PTR_ERR(irb));
                }
+                dasd_handle_killed_request(cdev, intparm);
                return;
        }
diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index f4fb40257348..d774e79476fe 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -86,10 +86,10 @@ static DEFINE_SPINLOCK(dasd_devmap_lock);
 static struct list_head dasd_hashlists[256];
 int dasd_max_devindex;
-static struct dasd_devmap *dasd_add_busid(char *, int);
+static struct dasd_devmap *dasd_add_busid(const char *, int);
 static inline int
-dasd_hash_busid(char *bus_id)
+dasd_hash_busid(const char *bus_id)
 {
        int hash, i;
@@ -394,7 +394,7 @@ dasd_parse(void)
 * devices.
 */
 static struct dasd_devmap *
-dasd_add_busid(char *bus_id, int features)
+dasd_add_busid(const char *bus_id, int features)
 {
        struct dasd_devmap *devmap, *new, *tmp;
        int hash;
@@ -430,7 +430,7 @@ dasd_add_busid(char *bus_id, int features)
 * Find devmap for device with given bus_id.
 */
 static struct dasd_devmap *
-dasd_find_busid(char *bus_id)
+dasd_find_busid(const char *bus_id)
 {
        struct dasd_devmap *devmap, *tmp;
        int hash;
@@ -452,7 +452,7 @@ dasd_find_busid(char *bus_id)
 * Check if busid has been added to the list of dasd ranges.
 */
 int
-dasd_busid_known(char *bus_id)
+dasd_busid_known(const char *bus_id)
 {
        return IS_ERR(dasd_find_busid(bus_id)) ? -ENOENT : 0;
 }
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 6c624bf44617..fb2f931cf844 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -598,7 +598,7 @@ struct dasd_device *dasd_device_from_cdev_locked(struct ccw_device *);
 struct dasd_device *dasd_device_from_devindex(int);
 int dasd_parse(void);
-int dasd_busid_known(char *);
+int dasd_busid_known(const char *);
 /* externals in dasd_gendisk.c */
 int  dasd_gendisk_init(void);
diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c
index 7ad8cf157641..76e44eb7c47f 100644
--- a/drivers/s390/char/tape_core.c
+++ b/drivers/s390/char/tape_core.c
@@ -76,32 +76,9 @@ const char *tape_op_verbose[TO_SIZE] =
        [TO_KEKL_QUERY] = "KLQ",[TO_RDC] = "RDC",
 };
-static int
+static int devid_to_int(struct ccw_dev_id *dev_id)
-busid_to_int(char *bus_id)
 {
-        int     dec;
+        return dev_id->devno + (dev_id->ssid << 16);
-        int     d;
-        char *  s;
-        for(s = bus_id, d = 0; *s != '\0' && *s != '.'; s++)
-                d = (d * 10) + (*s - '0');
-        dec = d;
-        for(s++, d = 0; *s != '\0' && *s != '.'; s++)
-                d = (d * 10) + (*s - '0');
-        dec = (dec << 8) + d;
-        for(s++; *s != '\0'; s++) {
-                if (*s >= '0' && *s <= '9') {
-                        d = *s - '0';
-                } else if (*s >= 'a' && *s <= 'f') {
-                        d = *s - 'a' + 10;
-                } else {
-                        d = *s - 'A' + 10;
-                }
-                dec = (dec << 4) + d;
-        }
-        return dec;
 }
 /*
@@ -551,6 +528,7 @@ tape_generic_probe(struct ccw_device *cdev)
 {
        struct tape_device *device;
        int ret;
+        struct ccw_dev_id dev_id;
        device = tape_alloc_device();
        if (IS_ERR(device))
@@ -565,7 +543,8 @@ tape_generic_probe(struct ccw_device *cdev)
        cdev->dev.driver_data = device;
        cdev->handler = __tape_do_irq;
        device->cdev = cdev;
-        device->cdev_id = busid_to_int(cdev->dev.bus_id);
+        ccw_device_get_id(cdev, &dev_id);
+        device->cdev_id = devid_to_int(&dev_id);
        PRINT_INFO("tape device %s found\n", cdev->dev.bus_id);
        return ret;
 }
diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c
index d364e0bfae12..e8487347e4d4 100644
--- a/drivers/s390/char/vmlogrdr.c
+++ b/drivers/s390/char/vmlogrdr.c
@@ -858,7 +858,7 @@ static int __init vmlogrdr_init(void)
        for (i=0; i < MAXMINOR; ++i ) {
                sys_ser[i].buffer = (char *) get_zeroed_page(GFP_KERNEL);
                if (!sys_ser[i].buffer) {
-                        rc = ENOMEM;
+                        rc = -ENOMEM;
                        break;
                }
                sys_ser[i].current_position = sys_ser[i].buffer;
diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c
index 9c21b8f43f9b..a4a5f2efea48 100644
--- a/drivers/s390/cio/blacklist.c
+++ b/drivers/s390/cio/blacklist.c
@@ -19,7 +19,6 @@
 #include <asm/cio.h>
 #include <asm/uaccess.h>
-#include <asm/cio.h>
 #include "blacklist.h"
 #include "cio.h"
diff --git a/drivers/s390/cio/device_pgid.c b/drivers/s390/cio/device_pgid.c
index ba559053402e..5cf7be008e98 100644
--- a/drivers/s390/cio/device_pgid.c
+++ b/drivers/s390/cio/device_pgid.c
@@ -243,16 +243,10 @@ __ccw_device_do_pgid(struct ccw_device *cdev, __u8 func)
        /* Setup sense path group id channel program. */
        cdev->private->pgid[0].inf.fc = func;
        ccw = cdev->private->iccws;
-        if (!cdev->private->flags.pgid_single) {
+        if (cdev->private->flags.pgid_single)
-                cdev->private->pgid[0].inf.fc |= SPID_FUNC_MULTI_PATH;
-                ccw->cmd_code = CCW_CMD_SUSPEND_RECONN;
-                ccw->cda = 0;
-                ccw->count = 0;
-                ccw->flags = CCW_FLAG_SLI | CCW_FLAG_CC;
-                ccw++;
-        } else
                cdev->private->pgid[0].inf.fc |= SPID_FUNC_SINGLE_PATH;
+        else
+                cdev->private->pgid[0].inf.fc |= SPID_FUNC_MULTI_PATH;
        ccw->cmd_code = CCW_CMD_SET_PGID;
        ccw->cda = (__u32) __pa (&cdev->private->pgid[0]);
        ccw->count = sizeof (struct pgid);
diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c
index f5215fd4b73d..1dca1775f4b1 100644
--- a/drivers/scsi/aha152x.c
+++ b/drivers/scsi/aha152x.c
@@ -3830,7 +3830,7 @@ static int __init aha152x_init(void)
                        iounmap(p);
                }
                if (!ok && setup_count == 0)
-                        return 0;
+                        return -ENODEV;
                printk(KERN_INFO "aha152x: BIOS test: passed, ");
 #else
@@ -3909,14 +3909,14 @@ static int __init aha152x_init(void)
 #endif
        }
-        return 1;
+        return 0;
 }
 static void __exit aha152x_exit(void)
 {
-        struct aha152x_hostdata *hd;
+        struct aha152x_hostdata *hd, *tmp;
-        list_for_each_entry(hd, &aha152x_host_list, host_list) {
+        list_for_each_entry_safe(hd, tmp, &aha152x_host_list, host_list) {
                struct Scsi_Host *shost = container_of((void *)hd, struct Scsi_Host, hostdata);
                aha152x_release(shost);
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
index 8e2e964af668..46771d4c81bd 100644
--- a/drivers/scsi/gdth.c
+++ b/drivers/scsi/gdth.c
@@ -550,7 +550,6 @@ static int __init gdth_search_isa(ulong32 bios_adr)
 #endif /* CONFIG_ISA */
 #ifdef CONFIG_PCI
-static bool gdth_pci_registered;
 static bool gdth_search_vortex(ushort device)
 {
@@ -3724,6 +3723,8 @@ static void gdth_log_event(gdth_evt_data *dvr, char *buffer)
 }
 #ifdef GDTH_STATISTICS
+static unchar   gdth_timer_running;
 static void gdth_timeout(ulong data)
 {
    ulong32 i;
@@ -3731,7 +3732,10 @@ static void gdth_timeout(ulong data)
    gdth_ha_str *ha;
    ulong flags;
-    BUG_ON(list_empty(&gdth_instances));
+    if(unlikely(list_empty(&gdth_instances))) {
+            gdth_timer_running = 0;
+            return;
+    }
    ha = list_first_entry(&gdth_instances, gdth_ha_str, list);
    spin_lock_irqsave(&ha->smp_lock, flags);
@@ -3751,6 +3755,22 @@ static void gdth_timeout(ulong data)
    add_timer(&gdth_timer);
    spin_unlock_irqrestore(&ha->smp_lock, flags);
 }
+static void gdth_timer_init(void)
+{
+        if (gdth_timer_running)
+                return;
+        gdth_timer_running = 1;
+        TRACE2(("gdth_detect(): Initializing timer !\n"));
+        gdth_timer.expires = jiffies + HZ;
+        gdth_timer.data = 0L;
+        gdth_timer.function = gdth_timeout;
+        add_timer(&gdth_timer);
+}
+#else
+static inline void gdth_timer_init(void)
+{
+}
 #endif
 static void __init internal_setup(char *str,int *ints)
@@ -4735,6 +4755,7 @@ static int __init gdth_isa_probe_one(ulong32 isa_bios)
        if (error)
                goto out_free_coal_stat;
        list_add_tail(&ha->list, &gdth_instances);
+        gdth_timer_init();
        scsi_scan_host(shp);
@@ -4865,6 +4886,7 @@ static int __init gdth_eisa_probe_one(ushort eisa_slot)
        if (error)
                goto out_free_coal_stat;
        list_add_tail(&ha->list, &gdth_instances);
+        gdth_timer_init();
        scsi_scan_host(shp);
@@ -5011,6 +5033,7 @@ static int gdth_pci_probe_one(gdth_pci_str *pcistr,
        list_add_tail(&ha->list, &gdth_instances);
        pci_set_drvdata(ha->pdev, ha);
+        gdth_timer_init();
        scsi_scan_host(shp);
@@ -5110,6 +5133,7 @@ static int __init gdth_init(void)
        /* initializations */
        gdth_polling = TRUE;
        gdth_clear_events();
+        init_timer(&gdth_timer);
        /* As default we do not probe for EISA or ISA controllers */
        if (probe_eisa_isa) {
@@ -5132,23 +5156,17 @@ static int __init gdth_init(void)
 #ifdef CONFIG_PCI
        /* scanning for PCI controllers */
-        if (pci_register_driver(&gdth_pci_driver) == 0)
+        if (pci_register_driver(&gdth_pci_driver)) {
-                gdth_pci_registered = true;
+                gdth_ha_str *ha;
+                list_for_each_entry(ha, &gdth_instances, list)
+                        gdth_remove_one(ha);
+                return -ENODEV;
+        }
 #endif /* CONFIG_PCI */
        TRACE2(("gdth_detect() %d controller detected\n", gdth_ctr_count));
-        if (list_empty(&gdth_instances))
-                return -ENODEV;
-#ifdef GDTH_STATISTICS
-        TRACE2(("gdth_detect(): Initializing timer !\n"));
-        init_timer(&gdth_timer);
-        gdth_timer.expires = jiffies + HZ;
-        gdth_timer.data = 0L;
-        gdth_timer.function = gdth_timeout;
-        add_timer(&gdth_timer);
-#endif
        major = register_chrdev(0,"gdth", &gdth_fops);
        register_reboot_notifier(&gdth_notifier);
        gdth_polling = FALSE;
@@ -5167,8 +5185,7 @@ static void __exit gdth_exit(void)
 #endif
 #ifdef CONFIG_PCI
-        if (gdth_pci_registered)
+        pci_unregister_driver(&gdth_pci_driver);
-                pci_unregister_driver(&gdth_pci_driver);
 #endif
        list_for_each_entry(ha, &gdth_instances, list)
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 010c1b9b178c..b43bf1d60dac 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -730,7 +730,9 @@ static int __iscsi_complete_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
                                if (iscsi_recv_pdu(conn->cls_conn, hdr, data,
                                                   datalen))
                                        rc = ISCSI_ERR_CONN_FAILED;
-                        }
+                        } else
+                                mod_timer(&conn->transport_timer,
+                                          jiffies + conn->recv_timeout);
                        iscsi_free_mgmt_task(conn, mtask);
                        break;
                default:
@@ -1453,19 +1455,20 @@ static void iscsi_check_transport_timeouts(unsigned long data)
 {
        struct iscsi_conn *conn = (struct iscsi_conn *)data;
        struct iscsi_session *session = conn->session;
-        unsigned long timeout, next_timeout = 0, last_recv;
+        unsigned long recv_timeout, next_timeout = 0, last_recv;
        spin_lock(&session->lock);
        if (session->state != ISCSI_STATE_LOGGED_IN)
                goto done;
-        timeout = conn->recv_timeout;
+        recv_timeout = conn->recv_timeout;
-        if (!timeout)
+        if (!recv_timeout)
                goto done;
-        timeout *= HZ;
+        recv_timeout *= HZ;
        last_recv = conn->last_recv;
-        if (time_before_eq(last_recv + timeout + (conn->ping_timeout * HZ),
+        if (conn->ping_mtask &&
+            time_before_eq(conn->last_ping + (conn->ping_timeout * HZ),
                           jiffies)) {
                iscsi_conn_printk(KERN_ERR, conn, "ping timeout of %d secs "
                                  "expired, last rx %lu, last ping %lu, "
@@ -1476,15 +1479,13 @@ static void iscsi_check_transport_timeouts(unsigned long data)
                return;
        }
-        if (time_before_eq(last_recv + timeout, jiffies)) {
+        if (time_before_eq(last_recv + recv_timeout, jiffies)) {
-                if (time_before_eq(conn->last_ping, last_recv)) {
+                /* send a ping to try to provoke some traffic */
-                        /* send a ping to try to provoke some traffic */
+                debug_scsi("Sending nopout as ping on conn %p\n", conn);
-                        debug_scsi("Sending nopout as ping on conn %p\n", conn);
+                iscsi_send_nopout(conn, NULL);
-                        iscsi_send_nopout(conn, NULL);
+                next_timeout = conn->last_ping + (conn->ping_timeout * HZ);
-                }
-                next_timeout = last_recv + timeout + (conn->ping_timeout * HZ);
        } else
-                next_timeout = last_recv + timeout;
+                next_timeout = last_recv + recv_timeout;
        debug_scsi("Setting next tmo %lu\n", next_timeout);
        mod_timer(&conn->transport_timer, next_timeout);
diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c
index fa060932d2b4..51e2f299dbbb 100644
--- a/drivers/scsi/qla1280.c
+++ b/drivers/scsi/qla1280.c
@@ -2007,7 +2007,7 @@ qla1280_set_defaults(struct scsi_qla_host *ha)
                nv->bus[bus].config_2.req_ack_active_negation = 1;
                nv->bus[bus].config_2.data_line_active_negation = 1;
                nv->bus[bus].selection_timeout = 250;
-                nv->bus[bus].max_queue_depth = 256;
+                nv->bus[bus].max_queue_depth = 32;
                if (IS_ISP1040(ha)) {
                        nv->bus[bus].bus_reset_delay = 3;
@@ -2051,7 +2051,7 @@ qla1280_config_target(struct scsi_qla_host *ha, int bus, int target)
        status = qla1280_mailbox_command(ha, 0x0f, mb);
        /* Save Tag queuing enable flag. */
-        flag = (BIT_0 << target) & mb[0];
+        flag = (BIT_0 << target);
        if (nv->bus[bus].target[target].parameter.tag_queuing)
                ha->bus_settings[bus].qtag_enables |= flag;
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 36acbcca2d48..62e6eb136a3c 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -976,11 +976,15 @@ config SERIAL_68328_RTS_CTS
        depends on SERIAL_68328
 config SERIAL_COLDFIRE
-        bool "ColdFire serial support"
+        bool "ColdFire serial support (DEPRECATED)"
        depends on COLDFIRE
        help
          This driver supports the built-in serial ports of the Motorola ColdFire
          family of CPUs.
+          This driver is deprecated because it supports only the old interface
+          for serial drivers and features like magic keys are not working.
+          Please switch to the new style driver because this driver will be
+          removed soon.
 config SERIAL_MCF
        bool "Coldfire serial support (new style driver)"
diff --git a/drivers/serial/mcfserial.c b/drivers/serial/mcfserial.c
index 43af40d59b8a..56007cc8a9b3 100644
--- a/drivers/serial/mcfserial.c
+++ b/drivers/serial/mcfserial.c
@@ -1,3 +1,4 @@
+#warning This driver is deprecated. Check Kconfig for details.
 /*
 * mcfserial.c -- serial driver for ColdFire internal UARTS.
 *
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index fae9e8f3d092..66ec5d8808de 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -126,7 +126,6 @@ config SPI_MPC52xx_PSC
 config SPI_MPC83xx
        tristate "Freescale MPC83xx/QUICC Engine SPI controller"
        depends on SPI_MASTER && (PPC_83xx || QUICC_ENGINE) && EXPERIMENTAL
-        select SPI_BITBANG
        help
          This enables using the Freescale MPC83xx and QUICC Engine SPI
          controllers in master mode.
diff --git a/drivers/spi/mpc52xx_psc_spi.c b/drivers/spi/mpc52xx_psc_spi.c
index 90729469d481..681d62325d3d 100644
--- a/drivers/spi/mpc52xx_psc_spi.c
+++ b/drivers/spi/mpc52xx_psc_spi.c
@@ -1,5 +1,5 @@
 /*
- * MPC52xx SPC in SPI mode driver.
+ * MPC52xx PSC in SPI mode driver.
 *
 * Maintainer: Dragos Carp
 *
diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c
index 654bb58be630..0c452c46ab07 100644
--- a/drivers/spi/pxa2xx_spi.c
+++ b/drivers/spi/pxa2xx_spi.c
@@ -1567,7 +1567,7 @@ static int pxa2xx_spi_resume(struct platform_device *pdev)
        int status = 0;
        /* Enable the SSP clock */
-        clk_disable(ssp->clk);
+        clk_enable(ssp->clk);
        /* Start the queue running */
        status = start_queue(drv_data);
diff --git a/drivers/spi/spi_mpc83xx.c b/drivers/spi/spi_mpc83xx.c
index 189f706b9e4b..6832da6f7109 100644
--- a/drivers/spi/spi_mpc83xx.c
+++ b/drivers/spi/spi_mpc83xx.c
@@ -49,6 +49,7 @@ struct mpc83xx_spi_reg {
 #define SPMODE_LEN(x)           ((x) << 20)
 #define SPMODE_PM(x)            ((x) << 16)
 #define SPMODE_OP               (1 << 14)
+#define SPMODE_CG(x)            ((x) << 7)
 /*
 * Default for SPI Mode:
@@ -67,10 +68,6 @@ struct mpc83xx_spi_reg {
 /* SPI Controller driver's private data. */
 struct mpc83xx_spi {
-        /* bitbang has to be first */
-        struct spi_bitbang bitbang;
-        struct completion done;
        struct mpc83xx_spi_reg __iomem *base;
        /* rx & tx bufs from the spi_transfer */
@@ -82,7 +79,7 @@ struct mpc83xx_spi {
        u32(*get_tx) (struct mpc83xx_spi *);
        unsigned int count;
-        u32 irq;
+        int irq;
        unsigned nsecs;         /* (clock cycle time)/2 */
@@ -94,6 +91,25 @@ struct mpc83xx_spi {
        void (*activate_cs) (u8 cs, u8 polarity);
        void (*deactivate_cs) (u8 cs, u8 polarity);
+        u8 busy;
+        struct workqueue_struct *workqueue;
+        struct work_struct work;
+        struct list_head queue;
+        spinlock_t lock;
+        struct completion done;
+};
+struct spi_mpc83xx_cs {
+        /* functions to deal with different sized buffers */
+        void (*get_rx) (u32 rx_data, struct mpc83xx_spi *);
+        u32 (*get_tx) (struct mpc83xx_spi *);
+        u32 rx_shift;           /* RX data reg shift when in qe mode */
+        u32 tx_shift;           /* TX data reg shift when in qe mode */
+        u32 hw_mode;            /* Holds HW mode register settings */
 };
 static inline void mpc83xx_spi_write_reg(__be32 __iomem * reg, u32 val)
@@ -137,6 +153,7 @@ static void mpc83xx_spi_chipselect(struct spi_device *spi, int value)
 {
        struct mpc83xx_spi *mpc83xx_spi;
        u8 pol = spi->mode & SPI_CS_HIGH ? 1 : 0;
+        struct spi_mpc83xx_cs   *cs = spi->controller_state;
        mpc83xx_spi = spi_master_get_devdata(spi->master);
@@ -147,50 +164,26 @@ static void mpc83xx_spi_chipselect(struct spi_device *spi, int value)
        if (value == BITBANG_CS_ACTIVE) {
                u32 regval = mpc83xx_spi_read_reg(&mpc83xx_spi->base->mode);
-                u32 len = spi->bits_per_word;
-                u8 pm;
-                if (len == 32)
+                mpc83xx_spi->rx_shift = cs->rx_shift;
-                        len = 0;
+                mpc83xx_spi->tx_shift = cs->tx_shift;
-                else
+                mpc83xx_spi->get_rx = cs->get_rx;
-                        len = len - 1;
+                mpc83xx_spi->get_tx = cs->get_tx;
-                /* mask out bits we are going to set */
+                if (cs->hw_mode != regval) {
-                regval &= ~(SPMODE_CP_BEGIN_EDGECLK | SPMODE_CI_INACTIVEHIGH
+                        unsigned long flags;
-                                | SPMODE_LEN(0xF) | SPMODE_DIV16
+                        void *tmp_ptr = &mpc83xx_spi->base->mode;
-                                | SPMODE_PM(0xF) | SPMODE_REV | SPMODE_LOOP);
+                        regval = cs->hw_mode;
-                if (spi->mode & SPI_CPHA)
+                        /* Turn off IRQs locally to minimize time that
-                        regval |= SPMODE_CP_BEGIN_EDGECLK;
+                         * SPI is disabled
-                if (spi->mode & SPI_CPOL)
+                         */
-                        regval |= SPMODE_CI_INACTIVEHIGH;
+                        local_irq_save(flags);
-                if (!(spi->mode & SPI_LSB_FIRST))
+                        /* Turn off SPI unit prior changing mode */
-                        regval |= SPMODE_REV;
+                        mpc83xx_spi_write_reg(tmp_ptr, regval & ~SPMODE_ENABLE);
-                if (spi->mode & SPI_LOOP)
+                        mpc83xx_spi_write_reg(tmp_ptr, regval);
-                        regval |= SPMODE_LOOP;
+                        local_irq_restore(flags);
-                regval |= SPMODE_LEN(len);
-                if ((mpc83xx_spi->spibrg / spi->max_speed_hz) >= 64) {
-                        pm = mpc83xx_spi->spibrg / (spi->max_speed_hz * 64) - 1;
-                        if (pm > 0x0f) {
-                                dev_err(&spi->dev, "Requested speed is too "
-                                        "low: %d Hz. Will use %d Hz instead.\n",
-                                        spi->max_speed_hz,
-                                        mpc83xx_spi->spibrg / 1024);
-                                pm = 0x0f;
-                        }
-                        regval |= SPMODE_PM(pm) | SPMODE_DIV16;
-                } else {
-                        pm = mpc83xx_spi->spibrg / (spi->max_speed_hz * 4);
-                        if (pm)
-                                pm--;
-                        regval |= SPMODE_PM(pm);
                }
-                /* Turn off SPI unit prior changing mode */
-                mpc83xx_spi_write_reg(&mpc83xx_spi->base->mode, 0);
-                mpc83xx_spi_write_reg(&mpc83xx_spi->base->mode, regval);
                if (mpc83xx_spi->activate_cs)
                        mpc83xx_spi->activate_cs(spi->chip_select, pol);
        }
@@ -201,8 +194,9 @@ int mpc83xx_spi_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
 {
        struct mpc83xx_spi *mpc83xx_spi;
        u32 regval;
-        u8 bits_per_word;
+        u8 bits_per_word, pm;
        u32 hz;
+        struct spi_mpc83xx_cs   *cs = spi->controller_state;
        mpc83xx_spi = spi_master_get_devdata(spi->master);
@@ -223,61 +217,191 @@ int mpc83xx_spi_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
            || ((bits_per_word > 16) && (bits_per_word != 32)))
                return -EINVAL;
-        mpc83xx_spi->rx_shift = 0;
+        if (!hz)
-        mpc83xx_spi->tx_shift = 0;
+                hz = spi->max_speed_hz;
+        cs->rx_shift = 0;
+        cs->tx_shift = 0;
        if (bits_per_word <= 8) {
-                mpc83xx_spi->get_rx = mpc83xx_spi_rx_buf_u8;
+                cs->get_rx = mpc83xx_spi_rx_buf_u8;
-                mpc83xx_spi->get_tx = mpc83xx_spi_tx_buf_u8;
+                cs->get_tx = mpc83xx_spi_tx_buf_u8;
                if (mpc83xx_spi->qe_mode) {
-                        mpc83xx_spi->rx_shift = 16;
+                        cs->rx_shift = 16;
-                        mpc83xx_spi->tx_shift = 24;
+                        cs->tx_shift = 24;
                }
        } else if (bits_per_word <= 16) {
-                mpc83xx_spi->get_rx = mpc83xx_spi_rx_buf_u16;
+                cs->get_rx = mpc83xx_spi_rx_buf_u16;
-                mpc83xx_spi->get_tx = mpc83xx_spi_tx_buf_u16;
+                cs->get_tx = mpc83xx_spi_tx_buf_u16;
                if (mpc83xx_spi->qe_mode) {
-                        mpc83xx_spi->rx_shift = 16;
+                        cs->rx_shift = 16;
-                        mpc83xx_spi->tx_shift = 16;
+                        cs->tx_shift = 16;
                }
        } else if (bits_per_word <= 32) {
-                mpc83xx_spi->get_rx = mpc83xx_spi_rx_buf_u32;
+                cs->get_rx = mpc83xx_spi_rx_buf_u32;
-                mpc83xx_spi->get_tx = mpc83xx_spi_tx_buf_u32;
+                cs->get_tx = mpc83xx_spi_tx_buf_u32;
        } else
                return -EINVAL;
        if (mpc83xx_spi->qe_mode && spi->mode & SPI_LSB_FIRST) {
-                mpc83xx_spi->tx_shift = 0;
+                cs->tx_shift = 0;
                if (bits_per_word <= 8)
-                        mpc83xx_spi->rx_shift = 8;
+                        cs->rx_shift = 8;
                else
-                        mpc83xx_spi->rx_shift = 0;
+                        cs->rx_shift = 0;
        }
-        /* nsecs = (clock period)/2 */
+        mpc83xx_spi->rx_shift = cs->rx_shift;
-        if (!hz)
+        mpc83xx_spi->tx_shift = cs->tx_shift;
-                hz = spi->max_speed_hz;
+        mpc83xx_spi->get_rx = cs->get_rx;
-        mpc83xx_spi->nsecs = (1000000000 / 2) / hz;
+        mpc83xx_spi->get_tx = cs->get_tx;
-        if (mpc83xx_spi->nsecs > MAX_UDELAY_MS * 1000)
-                return -EINVAL;
        if (bits_per_word == 32)
                bits_per_word = 0;
        else
                bits_per_word = bits_per_word - 1;
-        regval = mpc83xx_spi_read_reg(&mpc83xx_spi->base->mode);
        /* mask out bits we are going to set */
-        regval &= ~(SPMODE_LEN(0xF) | SPMODE_REV);
+        cs->hw_mode &= ~(SPMODE_LEN(0xF) | SPMODE_DIV16
-        regval |= SPMODE_LEN(bits_per_word);
+                                  | SPMODE_PM(0xF));
-        if (!(spi->mode & SPI_LSB_FIRST))
-                regval |= SPMODE_REV;
+        cs->hw_mode |= SPMODE_LEN(bits_per_word);
+        if ((mpc83xx_spi->spibrg / hz) >= 64) {
+                pm = mpc83xx_spi->spibrg / (hz * 64) - 1;
+                if (pm > 0x0f) {
+                        dev_err(&spi->dev, "Requested speed is too "
+                                "low: %d Hz. Will use %d Hz instead.\n",
+                                hz, mpc83xx_spi->spibrg / 1024);
+                        pm = 0x0f;
+                }
+                cs->hw_mode |= SPMODE_PM(pm) | SPMODE_DIV16;
+        } else {
+                pm = mpc83xx_spi->spibrg / (hz * 4);
+                if (pm)
+                        pm--;
+                cs->hw_mode |= SPMODE_PM(pm);
+        }
+        regval =  mpc83xx_spi_read_reg(&mpc83xx_spi->base->mode);
+        if (cs->hw_mode != regval) {
+                unsigned long flags;
+                void *tmp_ptr = &mpc83xx_spi->base->mode;
+                regval = cs->hw_mode;
+                /* Turn off IRQs locally to minimize time
+                 * that SPI is disabled
+                 */
+                local_irq_save(flags);
+                /* Turn off SPI unit prior changing mode */
+                mpc83xx_spi_write_reg(tmp_ptr, regval & ~SPMODE_ENABLE);
+                mpc83xx_spi_write_reg(tmp_ptr, regval);
+                local_irq_restore(flags);
+        }
+        return 0;
+}
-        /* Turn off SPI unit prior changing mode */
+static int mpc83xx_spi_bufs(struct spi_device *spi, struct spi_transfer *t)
-        mpc83xx_spi_write_reg(&mpc83xx_spi->base->mode, 0);
+{
-        mpc83xx_spi_write_reg(&mpc83xx_spi->base->mode, regval);
+        struct mpc83xx_spi *mpc83xx_spi;
+        u32 word, len, bits_per_word;
-        return 0;
+        mpc83xx_spi = spi_master_get_devdata(spi->master);
+        mpc83xx_spi->tx = t->tx_buf;
+        mpc83xx_spi->rx = t->rx_buf;
+        bits_per_word = spi->bits_per_word;
+        if (t->bits_per_word)
+                bits_per_word = t->bits_per_word;
+        len = t->len;
+        if (bits_per_word > 8)
+                len /= 2;
+        if (bits_per_word > 16)
+                len /= 2;
+        mpc83xx_spi->count = len;
+        INIT_COMPLETION(mpc83xx_spi->done);
+        /* enable rx ints */
+        mpc83xx_spi_write_reg(&mpc83xx_spi->base->mask, SPIM_NE);
+        /* transmit word */
+        word = mpc83xx_spi->get_tx(mpc83xx_spi);
+        mpc83xx_spi_write_reg(&mpc83xx_spi->base->transmit, word);
+        wait_for_completion(&mpc83xx_spi->done);
+        /* disable rx ints */
+        mpc83xx_spi_write_reg(&mpc83xx_spi->base->mask, 0);
+        return mpc83xx_spi->count;
+}
+static void mpc83xx_spi_work(struct work_struct *work)
+{
+        struct mpc83xx_spi *mpc83xx_spi =
+                container_of(work, struct mpc83xx_spi, work);
+        spin_lock_irq(&mpc83xx_spi->lock);
+        mpc83xx_spi->busy = 1;
+        while (!list_empty(&mpc83xx_spi->queue)) {
+                struct spi_message *m;
+                struct spi_device *spi;
+                struct spi_transfer *t = NULL;
+                unsigned cs_change;
+                int status, nsecs = 50;
+                m = container_of(mpc83xx_spi->queue.next,
+                                struct spi_message, queue);
+                list_del_init(&m->queue);
+                spin_unlock_irq(&mpc83xx_spi->lock);
+                spi = m->spi;
+                cs_change = 1;
+                status = 0;
+                list_for_each_entry(t, &m->transfers, transfer_list) {
+                        if (t->bits_per_word || t->speed_hz) {
+                                /* Don't allow changes if CS is active */
+                                status = -EINVAL;
+                                if (cs_change)
+                                        status = mpc83xx_spi_setup_transfer(spi, t);
+                                if (status < 0)
+                                        break;
+                        }
+                        if (cs_change)
+                                mpc83xx_spi_chipselect(spi, BITBANG_CS_ACTIVE);
+                        cs_change = t->cs_change;
+                        if (t->len)
+                                status = mpc83xx_spi_bufs(spi, t);
+                        if (status) {
+                                status = -EMSGSIZE;
+                                break;
+                        }
+                        m->actual_length += t->len;
+                        if (t->delay_usecs)
+                                udelay(t->delay_usecs);
+                        if (cs_change) {
+                                ndelay(nsecs);
+                                mpc83xx_spi_chipselect(spi, BITBANG_CS_INACTIVE);
+                                ndelay(nsecs);
+                        }
+                }
+                m->status = status;
+                m->complete(m->context);
+                if (status || !cs_change) {
+                        ndelay(nsecs);
+                        mpc83xx_spi_chipselect(spi, BITBANG_CS_INACTIVE);
+                }
+                mpc83xx_spi_setup_transfer(spi, NULL);
+                spin_lock_irq(&mpc83xx_spi->lock);
+        }
+        mpc83xx_spi->busy = 0;
+        spin_unlock_irq(&mpc83xx_spi->lock);
 }
 /* the spi->mode bits understood by this driver: */
@@ -286,9 +410,10 @@ int mpc83xx_spi_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
 static int mpc83xx_spi_setup(struct spi_device *spi)
 {
-        struct spi_bitbang *bitbang;
        struct mpc83xx_spi *mpc83xx_spi;
        int retval;
+        u32 hw_mode;
+        struct spi_mpc83xx_cs   *cs = spi->controller_state;
        if (spi->mode & ~MODEBITS) {
                dev_dbg(&spi->dev, "setup: unsupported mode bits %x\n",
@@ -299,63 +424,56 @@ static int mpc83xx_spi_setup(struct spi_device *spi)
        if (!spi->max_speed_hz)
                return -EINVAL;
-        bitbang = spi_master_get_devdata(spi->master);
+        if (!cs) {
+                cs = kzalloc(sizeof *cs, GFP_KERNEL);
+                if (!cs)
+                        return -ENOMEM;
+                spi->controller_state = cs;
+        }
        mpc83xx_spi = spi_master_get_devdata(spi->master);
        if (!spi->bits_per_word)
                spi->bits_per_word = 8;
+        hw_mode = cs->hw_mode; /* Save orginal settings */
+        cs->hw_mode = mpc83xx_spi_read_reg(&mpc83xx_spi->base->mode);
+        /* mask out bits we are going to set */
+        cs->hw_mode &= ~(SPMODE_CP_BEGIN_EDGECLK | SPMODE_CI_INACTIVEHIGH
+                         | SPMODE_REV | SPMODE_LOOP);
+        if (spi->mode & SPI_CPHA)
+                cs->hw_mode |= SPMODE_CP_BEGIN_EDGECLK;
+        if (spi->mode & SPI_CPOL)
+                cs->hw_mode |= SPMODE_CI_INACTIVEHIGH;
+        if (!(spi->mode & SPI_LSB_FIRST))
+                cs->hw_mode |= SPMODE_REV;
+        if (spi->mode & SPI_LOOP)
+                cs->hw_mode |= SPMODE_LOOP;
        retval = mpc83xx_spi_setup_transfer(spi, NULL);
-        if (retval < 0)
+        if (retval < 0) {
+                cs->hw_mode = hw_mode; /* Restore settings */
                return retval;
+        }
-        dev_dbg(&spi->dev, "%s, mode %d, %u bits/w, %u nsec\n",
+        dev_dbg(&spi->dev, "%s, mode %d, %u bits/w, %u Hz\n",
                __func__, spi->mode & (SPI_CPOL | SPI_CPHA),
-                spi->bits_per_word, 2 * mpc83xx_spi->nsecs);
+                spi->bits_per_word, spi->max_speed_hz);
+#if 0 /* Don't think this is needed */
        /* NOTE we _need_ to call chipselect() early, ideally with adapter
         * setup, unless the hardware defaults cooperate to avoid confusion
         * between normal (active low) and inverted chipselects.
         */
        /* deselect chip (low or high) */
-        spin_lock(&bitbang->lock);
+        spin_lock(&mpc83xx_spi->lock);
-        if (!bitbang->busy) {
+        if (!mpc83xx_spi->busy)
-                bitbang->chipselect(spi, BITBANG_CS_INACTIVE);
+                mpc83xx_spi_chipselect(spi, BITBANG_CS_INACTIVE);
-                ndelay(mpc83xx_spi->nsecs);
+        spin_unlock(&mpc83xx_spi->lock);
-        }
+#endif
-        spin_unlock(&bitbang->lock);
        return 0;
 }
-static int mpc83xx_spi_bufs(struct spi_device *spi, struct spi_transfer *t)
-{
-        struct mpc83xx_spi *mpc83xx_spi;
-        u32 word;
-        mpc83xx_spi = spi_master_get_devdata(spi->master);
-        mpc83xx_spi->tx = t->tx_buf;
-        mpc83xx_spi->rx = t->rx_buf;
-        mpc83xx_spi->count = t->len;
-        INIT_COMPLETION(mpc83xx_spi->done);
-        /* enable rx ints */
-        mpc83xx_spi_write_reg(&mpc83xx_spi->base->mask, SPIM_NE);
-        /* transmit word */
-        word = mpc83xx_spi->get_tx(mpc83xx_spi);
-        mpc83xx_spi_write_reg(&mpc83xx_spi->base->transmit, word);
-        wait_for_completion(&mpc83xx_spi->done);
-        /* disable rx ints */
-        mpc83xx_spi_write_reg(&mpc83xx_spi->base->mask, 0);
-        return t->len - mpc83xx_spi->count;
-}
 irqreturn_t mpc83xx_spi_irq(s32 irq, void *context_data)
 {
        struct mpc83xx_spi *mpc83xx_spi = context_data;
@@ -395,6 +513,28 @@ irqreturn_t mpc83xx_spi_irq(s32 irq, void *context_data)
        return ret;
 }
+static int mpc83xx_spi_transfer(struct spi_device *spi,
+                                struct spi_message *m)
+{
+        struct mpc83xx_spi *mpc83xx_spi = spi_master_get_devdata(spi->master);
+        unsigned long flags;
+        m->actual_length = 0;
+        m->status = -EINPROGRESS;
+        spin_lock_irqsave(&mpc83xx_spi->lock, flags);
+        list_add_tail(&m->queue, &mpc83xx_spi->queue);
+        queue_work(mpc83xx_spi->workqueue, &mpc83xx_spi->work);
+        spin_unlock_irqrestore(&mpc83xx_spi->lock, flags);
+        return 0;
+}
+static void mpc83xx_spi_cleanup(struct spi_device *spi)
+{
+        kfree(spi->controller_state);
+}
 static int __init mpc83xx_spi_probe(struct platform_device *dev)
 {
@@ -426,11 +566,11 @@ static int __init mpc83xx_spi_probe(struct platform_device *dev)
                ret = -ENODEV;
                goto free_master;
        }
+        master->setup = mpc83xx_spi_setup;
+        master->transfer = mpc83xx_spi_transfer;
+        master->cleanup = mpc83xx_spi_cleanup;
        mpc83xx_spi = spi_master_get_devdata(master);
-        mpc83xx_spi->bitbang.master = spi_master_get(master);
-        mpc83xx_spi->bitbang.chipselect = mpc83xx_spi_chipselect;
-        mpc83xx_spi->bitbang.setup_transfer = mpc83xx_spi_setup_transfer;
-        mpc83xx_spi->bitbang.txrx_bufs = mpc83xx_spi_bufs;
        mpc83xx_spi->activate_cs = pdata->activate_cs;
        mpc83xx_spi->deactivate_cs = pdata->deactivate_cs;
        mpc83xx_spi->qe_mode = pdata->qe_mode;
@@ -445,7 +585,6 @@ static int __init mpc83xx_spi_probe(struct platform_device *dev)
                mpc83xx_spi->tx_shift = 24;
        }
-        mpc83xx_spi->bitbang.master->setup = mpc83xx_spi_setup;
        init_completion(&mpc83xx_spi->done);
        mpc83xx_spi->base = ioremap(r->start, r->end - r->start + 1);
@@ -483,11 +622,21 @@ static int __init mpc83xx_spi_probe(struct platform_device *dev)
                regval |= SPMODE_OP;
        mpc83xx_spi_write_reg(&mpc83xx_spi->base->mode, regval);
+        spin_lock_init(&mpc83xx_spi->lock);
+        init_completion(&mpc83xx_spi->done);
+        INIT_WORK(&mpc83xx_spi->work, mpc83xx_spi_work);
+        INIT_LIST_HEAD(&mpc83xx_spi->queue);
-        ret = spi_bitbang_start(&mpc83xx_spi->bitbang);
+        mpc83xx_spi->workqueue = create_singlethread_workqueue(
+                master->dev.parent->bus_id);
-        if (ret != 0)
+        if (mpc83xx_spi->workqueue == NULL) {
+                ret = -EBUSY;
                goto free_irq;
+        }
+        ret = spi_register_master(master);
+        if (ret < 0)
+                goto unreg_master;
        printk(KERN_INFO
               "%s: MPC83xx SPI Controller driver at 0x%p (irq = %d)\n",
@@ -495,6 +644,8 @@ static int __init mpc83xx_spi_probe(struct platform_device *dev)
        return ret;
+unreg_master:
+        destroy_workqueue(mpc83xx_spi->workqueue);
 free_irq:
        free_irq(mpc83xx_spi->irq, mpc83xx_spi);
 unmap_io:
@@ -515,10 +666,12 @@ static int __exit mpc83xx_spi_remove(struct platform_device *dev)
        master = platform_get_drvdata(dev);
        mpc83xx_spi = spi_master_get_devdata(master);
-        spi_bitbang_stop(&mpc83xx_spi->bitbang);
+        flush_workqueue(mpc83xx_spi->workqueue);
+        destroy_workqueue(mpc83xx_spi->workqueue);
+        spi_unregister_master(master);
        free_irq(mpc83xx_spi->irq, mpc83xx_spi);
        iounmap(mpc83xx_spi->base);
-        spi_master_put(mpc83xx_spi->bitbang.master);
        return 0;
 }
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index cefe7f2c6f75..63c34043b4d9 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1248,6 +1248,9 @@ static struct usb_device_id acm_ids[] = {
        { USB_DEVICE(0x22b8, 0x7000), /* Motorola Q Phone */
        .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
        },
+        { USB_DEVICE(0x0803, 0x3095), /* Zoom Telephonics Model 3095F USB MODEM */
+        .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
+        },
        /* control interfaces with various AT-command sets */
        { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM,
diff --git a/drivers/usb/core/endpoint.c b/drivers/usb/core/endpoint.c
index 99e5a68a3f12..fae55a31e26d 100644
--- a/drivers/usb/core/endpoint.c
+++ b/drivers/usb/core/endpoint.c
@@ -156,6 +156,10 @@ static struct attribute *ep_dev_attrs[] = {
 static struct attribute_group ep_dev_attr_grp = {
        .attrs = ep_dev_attrs,
 };
+static struct attribute_group *ep_dev_groups[] = {
+        &ep_dev_attr_grp,
+        NULL
+};
 static int usb_endpoint_major_init(void)
 {
@@ -298,6 +302,7 @@ int usb_create_ep_files(struct device *parent,
        ep_dev->desc = &endpoint->desc;
        ep_dev->udev = udev;
+        ep_dev->dev.groups = ep_dev_groups;
        ep_dev->dev.devt = MKDEV(usb_endpoint_major, ep_dev->minor);
        ep_dev->dev.class = ep_class->class;
        ep_dev->dev.parent = parent;
@@ -309,9 +314,6 @@ int usb_create_ep_files(struct device *parent,
        retval = device_register(&ep_dev->dev);
        if (retval)
                goto error_chrdev;
-        retval = sysfs_create_group(&ep_dev->dev.kobj, &ep_dev_attr_grp);
-        if (retval)
-                goto error_group;
        /* create the symlink to the old-style "ep_XX" directory */
        sprintf(name, "ep_%02x", endpoint->desc.bEndpointAddress);
@@ -322,8 +324,6 @@ int usb_create_ep_files(struct device *parent,
        return retval;
 error_link:
-        sysfs_remove_group(&ep_dev->dev.kobj, &ep_dev_attr_grp);
-error_group:
        device_unregister(&ep_dev->dev);
        destroy_endpoint_class();
        return retval;
@@ -348,7 +348,6 @@ void usb_remove_ep_files(struct usb_host_endpoint *endpoint)
                sprintf(name, "ep_%02x", endpoint->desc.bEndpointAddress);
                sysfs_remove_link(&ep_dev->dev.parent->kobj, name);
-                sysfs_remove_group(&ep_dev->dev.kobj, &ep_dev_attr_grp);
                device_unregister(&ep_dev->dev);
                endpoint->ep_dev = NULL;
                destroy_endpoint_class();
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 3e69266e1f4d..fe47d145255a 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1607,6 +1607,7 @@ free_interfaces:
                intf->dev.driver = NULL;
                intf->dev.bus = &usb_bus_type;
                intf->dev.type = &usb_if_device_type;
+                intf->dev.groups = usb_interface_groups;
                intf->dev.dma_mask = dev->dev.dma_mask;
                device_initialize(&intf->dev);
                mark_quiesced(intf);
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index 5b20a60de8ba..c783cb111847 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -538,6 +538,46 @@ static struct attribute_group dev_attr_grp = {
        .attrs = dev_attrs,
 };
+/* When modifying this list, be sure to modify dev_string_attrs_are_visible()
+ * accordingly.
+ */
+static struct attribute *dev_string_attrs[] = {
+        &dev_attr_manufacturer.attr,
+        &dev_attr_product.attr,
+        &dev_attr_serial.attr,
+        NULL
+};
+static mode_t dev_string_attrs_are_visible(struct kobject *kobj,
+                struct attribute *a, int n)
+{
+        struct usb_device *udev = to_usb_device(
+                        container_of(kobj, struct device, kobj));
+        if (a == &dev_attr_manufacturer.attr) {
+                if (udev->manufacturer == NULL)
+                        return 0;
+        } else if (a == &dev_attr_product.attr) {
+                if (udev->product == NULL)
+                        return 0;
+        } else if (a == &dev_attr_serial.attr) {
+                if (udev->serial == NULL)
+                        return 0;
+        }
+        return a->mode;
+}
+static struct attribute_group dev_string_attr_grp = {
+        .attrs =        dev_string_attrs,
+        .is_visible =   dev_string_attrs_are_visible,
+};
+struct attribute_group *usb_device_groups[] = {
+        &dev_attr_grp,
+        &dev_string_attr_grp,
+        NULL
+};
 /* Binary descriptors */
 static ssize_t
@@ -591,10 +631,9 @@ int usb_create_sysfs_dev_files(struct usb_device *udev)
        struct device *dev = &udev->dev;
        int retval;
-        retval = sysfs_create_group(&dev->kobj, &dev_attr_grp);
+        /* Unforunately these attributes cannot be created before
-        if (retval)
+         * the uevent is broadcast.
-                return retval;
+         */
        retval = device_create_bin_file(dev, &dev_bin_attr_descriptors);
        if (retval)
                goto error;
@@ -607,21 +646,6 @@ int usb_create_sysfs_dev_files(struct usb_device *udev)
        if (retval)
                goto error;
-        if (udev->manufacturer) {
-                retval = device_create_file(dev, &dev_attr_manufacturer);
-                if (retval)
-                        goto error;
-        }
-        if (udev->product) {
-                retval = device_create_file(dev, &dev_attr_product);
-                if (retval)
-                        goto error;
-        }
-        if (udev->serial) {
-                retval = device_create_file(dev, &dev_attr_serial);
-                if (retval)
-                        goto error;
-        }
        retval = usb_create_ep_files(dev, &udev->ep0, udev);
        if (retval)
                goto error;
@@ -636,13 +660,9 @@ void usb_remove_sysfs_dev_files(struct usb_device *udev)
        struct device *dev = &udev->dev;
        usb_remove_ep_files(&udev->ep0);
-        device_remove_file(dev, &dev_attr_manufacturer);
-        device_remove_file(dev, &dev_attr_product);
-        device_remove_file(dev, &dev_attr_serial);
        remove_power_attributes(dev);
        remove_persist_attributes(dev);
        device_remove_bin_file(dev, &dev_bin_attr_descriptors);
-        sysfs_remove_group(&dev->kobj, &dev_attr_grp);
 }
 /* Interface Accociation Descriptor fields */
@@ -688,17 +708,15 @@ static ssize_t show_interface_string(struct device *dev,
                struct device_attribute *attr, char *buf)
 {
        struct usb_interface *intf;
-        struct usb_device *udev;
+        char *string;
-        int len;
        intf = to_usb_interface(dev);
-        udev = interface_to_usbdev(intf);
+        string = intf->cur_altsetting->string;
-        len = snprintf(buf, 256, "%s", intf->cur_altsetting->string);
+        barrier();              /* The altsetting might change! */
-        if (len < 0)
+        if (!string)
                return 0;
-        buf[len] = '\n';
+        return sprintf(buf, "%s\n", string);
-        buf[len+1] = 0;
-        return len+1;
 }
 static DEVICE_ATTR(interface, S_IRUGO, show_interface_string, NULL);
@@ -727,18 +745,6 @@ static ssize_t show_modalias(struct device *dev,
 }
 static DEVICE_ATTR(modalias, S_IRUGO, show_modalias, NULL);
-static struct attribute *intf_assoc_attrs[] = {
-        &dev_attr_iad_bFirstInterface.attr,
-        &dev_attr_iad_bInterfaceCount.attr,
-        &dev_attr_iad_bFunctionClass.attr,
-        &dev_attr_iad_bFunctionSubClass.attr,
-        &dev_attr_iad_bFunctionProtocol.attr,
-        NULL,
-};
-static struct attribute_group intf_assoc_attr_grp = {
-        .attrs = intf_assoc_attrs,
-};
 static struct attribute *intf_attrs[] = {
        &dev_attr_bInterfaceNumber.attr,
        &dev_attr_bAlternateSetting.attr,
@@ -753,6 +759,37 @@ static struct attribute_group intf_attr_grp = {
        .attrs = intf_attrs,
 };
+static struct attribute *intf_assoc_attrs[] = {
+        &dev_attr_iad_bFirstInterface.attr,
+        &dev_attr_iad_bInterfaceCount.attr,
+        &dev_attr_iad_bFunctionClass.attr,
+        &dev_attr_iad_bFunctionSubClass.attr,
+        &dev_attr_iad_bFunctionProtocol.attr,
+        NULL,
+};
+static mode_t intf_assoc_attrs_are_visible(struct kobject *kobj,
+                struct attribute *a, int n)
+{
+        struct usb_interface *intf = to_usb_interface(
+                        container_of(kobj, struct device, kobj));
+        if (intf->intf_assoc == NULL)
+                return 0;
+        return a->mode;
+}
+static struct attribute_group intf_assoc_attr_grp = {
+        .attrs =        intf_assoc_attrs,
+        .is_visible =   intf_assoc_attrs_are_visible,
+};
+struct attribute_group *usb_interface_groups[] = {
+        &intf_attr_grp,
+        &intf_assoc_attr_grp,
+        NULL
+};
 static inline void usb_create_intf_ep_files(struct usb_interface *intf,
                struct usb_device *udev)
 {
@@ -777,23 +814,21 @@ static inline void usb_remove_intf_ep_files(struct usb_interface *intf)
 int usb_create_sysfs_intf_files(struct usb_interface *intf)
 {
-        struct device *dev = &intf->dev;
        struct usb_device *udev = interface_to_usbdev(intf);
        struct usb_host_interface *alt = intf->cur_altsetting;
        int retval;
        if (intf->sysfs_files_created)
                return 0;
-        retval = sysfs_create_group(&dev->kobj, &intf_attr_grp);
-        if (retval)
-                return retval;
+        /* The interface string may be present in some altsettings
+         * and missing in others.  Hence its attribute cannot be created
+         * before the uevent is broadcast.
+         */
        if (alt->string == NULL)
                alt->string = usb_cache_string(udev, alt->desc.iInterface);
        if (alt->string)
-                retval = device_create_file(dev, &dev_attr_interface);
+                retval = device_create_file(&intf->dev, &dev_attr_interface);
-        if (intf->intf_assoc)
-                retval = sysfs_create_group(&dev->kobj, &intf_assoc_attr_grp);
        usb_create_intf_ep_files(intf, udev);
        intf->sysfs_files_created = 1;
        return 0;
@@ -807,7 +842,5 @@ void usb_remove_sysfs_intf_files(struct usb_interface *intf)
                return;
        usb_remove_intf_ep_files(intf);
        device_remove_file(dev, &dev_attr_interface);
-        sysfs_remove_group(&dev->kobj, &intf_attr_grp);
-        sysfs_remove_group(&intf->dev.kobj, &intf_assoc_attr_grp);
        intf->sysfs_files_created = 0;
 }
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 1f0db51190cc..325774375837 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -291,6 +291,7 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent,
        device_initialize(&dev->dev);
        dev->dev.bus = &usb_bus_type;
        dev->dev.type = &usb_device_type;
+        dev->dev.groups = usb_device_groups;
        dev->dev.dma_mask = bus->controller->dma_mask;
        set_dev_node(&dev->dev, dev_to_node(bus->controller));
        dev->state = USB_STATE_ATTACHED;
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index 1bf8ccb9c58d..1a8bc21c335e 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -130,6 +130,10 @@ static inline int is_active(const struct usb_interface *f)
 /* for labeling diagnostics */
 extern const char *usbcore_name;
+/* sysfs stuff */
+extern struct attribute_group *usb_device_groups[];
+extern struct attribute_group *usb_interface_groups[];
 /* usbfs stuff */
 extern struct mutex usbfs_mutex;
 extern struct usb_driver usbfs_driver;
diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c
index ce337cb5d137..f261d2a9a5f0 100644
--- a/drivers/usb/gadget/amd5536udc.c
+++ b/drivers/usb/gadget/amd5536udc.c
@@ -3251,7 +3251,7 @@ static int udc_pci_probe(
        /* pci setup */
        if (pci_enable_device(pdev) < 0) {
                kfree(dev);
-                dev = 0;
+                dev = NULL;
                retval = -ENODEV;
                goto finished;
        }
@@ -3264,7 +3264,7 @@ static int udc_pci_probe(
        if (!request_mem_region(resource, len, name)) {
                dev_dbg(&pdev->dev, "pci device used already\n");
                kfree(dev);
-                dev = 0;
+                dev = NULL;
                retval = -EBUSY;
                goto finished;
        }
@@ -3274,7 +3274,7 @@ static int udc_pci_probe(
        if (dev->virt_addr == NULL) {
                dev_dbg(&pdev->dev, "start address cannot be mapped\n");
                kfree(dev);
-                dev = 0;
+                dev = NULL;
                retval = -EFAULT;
                goto finished;
        }
@@ -3282,7 +3282,7 @@ static int udc_pci_probe(
        if (!pdev->irq) {
                dev_err(&dev->pdev->dev, "irq not set\n");
                kfree(dev);
-                dev = 0;
+                dev = NULL;
                retval = -ENODEV;
                goto finished;
        }
@@ -3290,7 +3290,7 @@ static int udc_pci_probe(
        if (request_irq(pdev->irq, udc_irq, IRQF_SHARED, name, dev) != 0) {
                dev_dbg(&dev->pdev->dev, "request_irq(%d) fail\n", pdev->irq);
                kfree(dev);
-                dev = 0;
+                dev = NULL;
                retval = -EBUSY;
                goto finished;
        }
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index e756023362c2..07e5a0b5dcda 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -649,7 +649,13 @@ static int usba_ep_disable(struct usb_ep *_ep)
        if (!ep->desc) {
                spin_unlock_irqrestore(&udc->lock, flags);
-                DBG(DBG_ERR, "ep_disable: %s not enabled\n", ep->ep.name);
+                /* REVISIT because this driver disables endpoints in
+                 * reset_all_endpoints() before calling disconnect(),
+                 * most gadget drivers would trigger this non-error ...
+                 */
+                if (udc->gadget.speed != USB_SPEED_UNKNOWN)
+                        DBG(DBG_ERR, "ep_disable: %s not enabled\n",
+                                        ep->ep.name);
                return -EINVAL;
        }
        ep->desc = NULL;
@@ -1032,8 +1038,6 @@ static struct usba_udc the_udc = {
                        .release        = nop_release,
                },
        },
-        .lock   = SPIN_LOCK_UNLOCKED,
 };
 /*
@@ -1052,6 +1056,12 @@ static void reset_all_endpoints(struct usba_udc *udc)
                request_complete(ep, req, -ECONNRESET);
        }
+        /* NOTE:  normally, the next call to the gadget driver is in
+         * charge of disabling endpoints... usually disconnect().
+         * The exception would be entering a high speed test mode.
+         *
+         * FIXME remove this code ... and retest thoroughly.
+         */
        list_for_each_entry(ep, &udc->gadget.ep_list, ep.ep_list) {
                if (ep->desc) {
                        spin_unlock(&udc->lock);
@@ -1219,7 +1229,7 @@ static inline bool feature_is_ep_halt(struct usb_ctrlrequest *crq)
 static int handle_ep0_setup(struct usba_udc *udc, struct usba_ep *ep,
                struct usb_ctrlrequest *crq)
 {
-        int retval = 0;;
+        int retval = 0;
        switch (crq->bRequest) {
        case USB_REQ_GET_STATUS: {
@@ -1693,6 +1703,14 @@ static irqreturn_t usba_udc_irq(int irq, void *devid)
                usba_writel(udc, INT_CLR, USBA_END_OF_RESET);
                reset_all_endpoints(udc);
+                if (udc->gadget.speed != USB_SPEED_UNKNOWN
+                                && udc->driver->disconnect) {
+                        udc->gadget.speed = USB_SPEED_UNKNOWN;
+                        spin_unlock(&udc->lock);
+                        udc->driver->disconnect(&udc->gadget);
+                        spin_lock(&udc->lock);
+                }
                if (status & USBA_HIGH_SPEED) {
                        DBG(DBG_BUS, "High-speed bus reset detected\n");
                        udc->gadget.speed = USB_SPEED_HIGH;
@@ -1716,9 +1734,13 @@ static irqreturn_t usba_udc_irq(int irq, void *devid)
                                | USBA_DET_SUSPEND
                                | USBA_END_OF_RESUME));
+                /*
+                 * Unclear why we hit this irregularly, e.g. in usbtest,
+                 * but it's clearly harmless...
+                 */
                if (!(usba_ep_readl(ep0, CFG) & USBA_EPT_MAPPED))
-                        dev_warn(&udc->pdev->dev,
+                        dev_dbg(&udc->pdev->dev,
-                                 "WARNING: EP0 configuration is invalid!\n");
+                                 "ODD: EP0 configuration is invalid!\n");
        }
        spin_unlock(&udc->lock);
@@ -1751,9 +1773,11 @@ static irqreturn_t usba_vbus_irq(int irq, void *devid)
                        reset_all_endpoints(udc);
                        toggle_bias(0);
                        usba_writel(udc, CTRL, USBA_DISABLE_MASK);
-                        spin_unlock(&udc->lock);
+                        if (udc->driver->disconnect) {
-                        udc->driver->disconnect(&udc->gadget);
+                                spin_unlock(&udc->lock);
-                        spin_lock(&udc->lock);
+                                udc->driver->disconnect(&udc->gadget);
+                                spin_lock(&udc->lock);
+                        }
                }
                udc->vbus_prev = vbus;
        }
@@ -1825,7 +1849,7 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
        if (!udc->pdev)
                return -ENODEV;
-        if (driver != udc->driver)
+        if (driver != udc->driver || !driver->unbind)
                return -EINVAL;
        if (udc->vbus_pin != -1)
@@ -1840,6 +1864,9 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
        toggle_bias(0);
        usba_writel(udc, CTRL, USBA_DISABLE_MASK);
+        if (udc->driver->disconnect)
+                udc->driver->disconnect(&udc->gadget);
        driver->unbind(&udc->gadget);
        udc->gadget.dev.driver = NULL;
        udc->driver = NULL;
@@ -1879,6 +1906,7 @@ static int __init usba_udc_probe(struct platform_device *pdev)
                goto err_get_hclk;
        }
+        spin_lock_init(&udc->lock);
        udc->pdev = pdev;
        udc->pclk = pclk;
        udc->hclk = hclk;
diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c
index 75eba202f737..499b7a23f351 100644
--- a/drivers/usb/gadget/pxa27x_udc.c
+++ b/drivers/usb/gadget/pxa27x_udc.c
@@ -1546,7 +1546,6 @@ static __init void udc_init_data(struct pxa_udc *dev)
        INIT_LIST_HEAD(&dev->gadget.ep0->ep_list);
        dev->udc_usb_ep[0].pxa_ep = &dev->pxa_ep[0];
        ep0_idle(dev);
-        strcpy(dev->dev->bus_id, "");
        /* PXA endpoints init */
        for (i = 0; i < NR_PXA_ENDPOINTS; i++) {
@@ -1746,13 +1745,10 @@ static void handle_ep0_ctrl_req(struct pxa_udc *udc,
                ep_err(ep, "wrong to have extra bytes for setup : 0x%08x\n", i);
        }
-        le16_to_cpus(&u.r.wValue);
-        le16_to_cpus(&u.r.wIndex);
-        le16_to_cpus(&u.r.wLength);
        ep_dbg(ep, "SETUP %02x.%02x v%04x i%04x l%04x\n",
                u.r.bRequestType, u.r.bRequest,
-                u.r.wValue, u.r.wIndex, u.r.wLength);
+                le16_to_cpu(u.r.wValue), le16_to_cpu(u.r.wIndex),
+                le16_to_cpu(u.r.wLength));
        if (unlikely(have_extrabytes))
                goto stall;
@@ -2296,7 +2292,8 @@ static void pxa_udc_shutdown(struct platform_device *_dev)
 {
        struct pxa_udc *udc = platform_get_drvdata(_dev);
-        udc_disable(udc);
+        if (udc_readl(udc, UDCCR) & UDCCR_UDE)
+                udc_disable(udc);
 }
 #ifdef CONFIG_PM
@@ -2361,9 +2358,8 @@ static int pxa_udc_resume(struct platform_device *_dev)
         * Upon exit from sleep mode and before clearing OTGPH,
         * Software must configure the USB OTG pad, UDC, and UHC
         * to the state they were in before entering sleep mode.
-         *
-         * Should be : PSSR |= PSSR_OTGPH;
         */
+        PSSR |= PSSR_OTGPH;
        return 0;
 }
@@ -2387,6 +2383,9 @@ static struct platform_driver udc_driver = {
 static int __init udc_init(void)
 {
+        if (!cpu_is_pxa27x())
+                return -ENODEV;
        printk(KERN_INFO "%s: version %s\n", driver_name, DRIVER_VERSION);
        return platform_driver_probe(&udc_driver, pxa_udc_probe);
 }
diff --git a/drivers/usb/gadget/pxa27x_udc.h b/drivers/usb/gadget/pxa27x_udc.h
index 1d1b7936ee11..97453db924ff 100644
--- a/drivers/usb/gadget/pxa27x_udc.h
+++ b/drivers/usb/gadget/pxa27x_udc.h
@@ -484,4 +484,12 @@ static inline struct pxa_udc *to_gadget_udc(struct usb_gadget *gadget)
 #define ep_warn(ep, fmt, arg...) \
        dev_warn(ep->dev->dev, "%s:%s:" fmt, EPNAME(ep), __func__, ## arg)
+/*
+ * Cannot include pxa-regs.h, as register names are similar.
+ * So PSSR is redefined here. This should be removed once UDC registers will
+ * be gone from pxa-regs.h.
+ */
+#define PSSR            __REG(0x40F00004)       /* Power Manager Sleep Status */
+#define PSSR_OTGPH      (1 << 6)                /* OTG Peripheral Hold */
 #endif /* __LINUX_USB_GADGET_PXA27X_H */
diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c
index 54cdd6f94034..fa019fa73334 100644
--- a/drivers/usb/gadget/serial.c
+++ b/drivers/usb/gadget/serial.c
@@ -14,7 +14,6 @@
 * This software is distributed under the terms of the GNU General
 * Public License ("GPL") as published by the Free Software Foundation,
 * either version 2 of that License or (at your option) any later version.
- *
 */
 #include <linux/kernel.h>
@@ -33,7 +32,7 @@
 /* Defines */
 #define GS_VERSION_STR                  "v2.2"
-#define GS_VERSION_NUM                  0x0202
+#define GS_VERSION_NUM                  0x2200
 #define GS_LONG_NAME                    "Gadget Serial"
 #define GS_SHORT_NAME                   "g_serial"
@@ -41,7 +40,11 @@
 #define GS_MAJOR                        127
 #define GS_MINOR_START                  0
-#define GS_NUM_PORTS                    16
+/* REVISIT only one port is supported for now;
+ * see gs_{send,recv}_packet() ... no multiplexing,
+ * and no support for multiple ACM devices.
+ */
+#define GS_NUM_PORTS                    1
 #define GS_NUM_CONFIGS                  1
 #define GS_NO_CONFIG_ID                 0
@@ -65,6 +68,9 @@
 #define GS_DEFAULT_USE_ACM              0
+/* 9600-8-N-1 ... matches init_termios.c_cflag and defaults
+ * expected by "usbser.sys" on MS-Windows.
+ */
 #define GS_DEFAULT_DTE_RATE             9600
 #define GS_DEFAULT_DATA_BITS            8
 #define GS_DEFAULT_PARITY               USB_CDC_NO_PARITY
@@ -107,10 +113,6 @@ static int debug = 1;
 #define GS_NOTIFY_MAXPACKET             8
-/* Structures */
-struct gs_dev;
 /* circular buffer */
 struct gs_buf {
        unsigned int            buf_size;
@@ -119,12 +121,6 @@ struct gs_buf {
        char                    *buf_put;
 };
-/* list of requests */
-struct gs_req_entry {
-        struct list_head        re_entry;
-        struct usb_request      *re_req;
-};
 /* the port structure holds info for each port, one for each minor number */
 struct gs_port {
        struct gs_dev           *port_dev;      /* pointer to device struct */
@@ -164,26 +160,7 @@ struct gs_dev {
 /* Functions */
-/* module */
+/* tty driver internals */
-static int __init gs_module_init(void);
-static void __exit gs_module_exit(void);
-/* tty driver */
-static int gs_open(struct tty_struct *tty, struct file *file);
-static void gs_close(struct tty_struct *tty, struct file *file);
-static int gs_write(struct tty_struct *tty,
-        const unsigned char *buf, int count);
-static int gs_put_char(struct tty_struct *tty, unsigned char ch);
-static void gs_flush_chars(struct tty_struct *tty);
-static int gs_write_room(struct tty_struct *tty);
-static int gs_chars_in_buffer(struct tty_struct *tty);
-static void gs_throttle(struct tty_struct * tty);
-static void gs_unthrottle(struct tty_struct * tty);
-static void gs_break(struct tty_struct *tty, int break_state);
-static int  gs_ioctl(struct tty_struct *tty, struct file *file,
-        unsigned int cmd, unsigned long arg);
-static void gs_set_termios(struct tty_struct *tty, struct ktermios *old);
 static int gs_send(struct gs_dev *dev);
 static int gs_send_packet(struct gs_dev *dev, char *packet,
        unsigned int size);
@@ -192,19 +169,7 @@ static int gs_recv_packet(struct gs_dev *dev, char *packet,
 static void gs_read_complete(struct usb_ep *ep, struct usb_request *req);
 static void gs_write_complete(struct usb_ep *ep, struct usb_request *req);
-/* gadget driver */
+/* gadget driver internals */
-static int gs_bind(struct usb_gadget *gadget);
-static void gs_unbind(struct usb_gadget *gadget);
-static int gs_setup(struct usb_gadget *gadget,
-        const struct usb_ctrlrequest *ctrl);
-static int gs_setup_standard(struct usb_gadget *gadget,
-        const struct usb_ctrlrequest *ctrl);
-static int gs_setup_class(struct usb_gadget *gadget,
-        const struct usb_ctrlrequest *ctrl);
-static void gs_setup_complete(struct usb_ep *ep, struct usb_request *req);
-static void gs_setup_complete_set_line_coding(struct usb_ep *ep,
-        struct usb_request *req);
-static void gs_disconnect(struct usb_gadget *gadget);
 static int gs_set_config(struct gs_dev *dev, unsigned config);
 static void gs_reset_config(struct gs_dev *dev);
 static int gs_build_config_buf(u8 *buf, struct usb_gadget *g,
@@ -214,10 +179,6 @@ static struct usb_request *gs_alloc_req(struct usb_ep *ep, unsigned int len,
        gfp_t kmalloc_flags);
 static void gs_free_req(struct usb_ep *ep, struct usb_request *req);
-static struct gs_req_entry *gs_alloc_req_entry(struct usb_ep *ep, unsigned len,
-        gfp_t kmalloc_flags);
-static void gs_free_req_entry(struct usb_ep *ep, struct gs_req_entry *req);
 static int gs_alloc_ports(struct gs_dev *dev, gfp_t kmalloc_flags);
 static void gs_free_ports(struct gs_dev *dev);
@@ -232,62 +193,15 @@ static unsigned int gs_buf_put(struct gs_buf *gb, const char *buf,
 static unsigned int gs_buf_get(struct gs_buf *gb, char *buf,
        unsigned int count);
-/* external functions */
-extern int net2280_set_fifo_mode(struct usb_gadget *gadget, int mode);
 /* Globals */
 static struct gs_dev *gs_device;
-static const char *EP_IN_NAME;
-static const char *EP_OUT_NAME;
-static const char *EP_NOTIFY_NAME;
 static struct mutex gs_open_close_lock[GS_NUM_PORTS];
-static unsigned int read_q_size = GS_DEFAULT_READ_Q_SIZE;
-static unsigned int write_q_size = GS_DEFAULT_WRITE_Q_SIZE;
-static unsigned int write_buf_size = GS_DEFAULT_WRITE_BUF_SIZE;
-static unsigned int use_acm = GS_DEFAULT_USE_ACM;
-/* tty driver struct */
-static const struct tty_operations gs_tty_ops = {
-        .open =                 gs_open,
-        .close =                gs_close,
-        .write =                gs_write,
-        .put_char =             gs_put_char,
-        .flush_chars =          gs_flush_chars,
-        .write_room =           gs_write_room,
-        .ioctl =                gs_ioctl,
-        .set_termios =          gs_set_termios,
-        .throttle =             gs_throttle,
-        .unthrottle =           gs_unthrottle,
-        .break_ctl =            gs_break,
-        .chars_in_buffer =      gs_chars_in_buffer,
-};
-static struct tty_driver *gs_tty_driver;
-/* gadget driver struct */
-static struct usb_gadget_driver gs_gadget_driver = {
-#ifdef CONFIG_USB_GADGET_DUALSPEED
-        .speed =                USB_SPEED_HIGH,
-#else
-        .speed =                USB_SPEED_FULL,
-#endif /* CONFIG_USB_GADGET_DUALSPEED */
-        .function =             GS_LONG_NAME,
-        .bind =                 gs_bind,
-        .unbind =               gs_unbind,
-        .setup =                gs_setup,
-        .disconnect =           gs_disconnect,
-        .driver = {
-                .name =         GS_SHORT_NAME,
-        },
-};
+/*-------------------------------------------------------------------------*/
 /* USB descriptors */
@@ -304,7 +218,6 @@ static char manufacturer[50];
 static struct usb_string gs_strings[] = {
        { GS_MANUFACTURER_STR_ID, manufacturer },
        { GS_PRODUCT_STR_ID, GS_LONG_NAME },
-        { GS_SERIAL_STR_ID, "0" },
        { GS_BULK_CONFIG_STR_ID, "Gadget Serial Bulk" },
        { GS_ACM_CONFIG_STR_ID, "Gadget Serial CDC ACM" },
        { GS_CONTROL_STR_ID, "Gadget Serial Control" },
@@ -327,7 +240,6 @@ static struct usb_device_descriptor gs_device_desc = {
        .idProduct =            __constant_cpu_to_le16(GS_PRODUCT_ID),
        .iManufacturer =        GS_MANUFACTURER_STR_ID,
        .iProduct =             GS_PRODUCT_STR_ID,
-        .iSerialNumber =        GS_SERIAL_STR_ID,
        .bNumConfigurations =   GS_NUM_CONFIGS,
 };
@@ -364,7 +276,7 @@ static const struct usb_interface_descriptor gs_bulk_interface_desc = {
        .bDescriptorType =      USB_DT_INTERFACE,
        .bInterfaceNumber =     GS_BULK_INTERFACE_ID,
        .bNumEndpoints =        2,
-        .bInterfaceClass =      USB_CLASS_CDC_DATA,
+        .bInterfaceClass =      USB_CLASS_VENDOR_SPEC,
        .bInterfaceSubClass =   0,
        .bInterfaceProtocol =   0,
        .iInterface =           GS_DATA_STR_ID,
@@ -521,6 +433,8 @@ static const struct usb_descriptor_header *gs_acm_highspeed_function[] = {
 };
+/*-------------------------------------------------------------------------*/
 /* Module */
 MODULE_DESCRIPTION(GS_LONG_NAME);
 MODULE_AUTHOR("Al Borchers");
@@ -531,84 +445,23 @@ module_param(debug, int, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(debug, "Enable debugging, 0=off, 1=on");
 #endif
+static unsigned int read_q_size = GS_DEFAULT_READ_Q_SIZE;
 module_param(read_q_size, uint, S_IRUGO);
 MODULE_PARM_DESC(read_q_size, "Read request queue size, default=32");
+static unsigned int write_q_size = GS_DEFAULT_WRITE_Q_SIZE;
 module_param(write_q_size, uint, S_IRUGO);
 MODULE_PARM_DESC(write_q_size, "Write request queue size, default=32");
+static unsigned int write_buf_size = GS_DEFAULT_WRITE_BUF_SIZE;
 module_param(write_buf_size, uint, S_IRUGO);
 MODULE_PARM_DESC(write_buf_size, "Write buffer size, default=8192");
+static unsigned int use_acm = GS_DEFAULT_USE_ACM;
 module_param(use_acm, uint, S_IRUGO);
 MODULE_PARM_DESC(use_acm, "Use CDC ACM, 0=no, 1=yes, default=no");
-module_init(gs_module_init);
+/*-------------------------------------------------------------------------*/
-module_exit(gs_module_exit);
-/*
-*  gs_module_init
-*
-*  Register as a USB gadget driver and a tty driver.
-*/
-static int __init gs_module_init(void)
-{
-        int i;
-        int retval;
-        retval = usb_gadget_register_driver(&gs_gadget_driver);
-        if (retval) {
-                pr_err("gs_module_init: cannot register gadget driver, "
-                        "ret=%d\n", retval);
-                return retval;
-        }
-        gs_tty_driver = alloc_tty_driver(GS_NUM_PORTS);
-        if (!gs_tty_driver)
-                return -ENOMEM;
-        gs_tty_driver->owner = THIS_MODULE;
-        gs_tty_driver->driver_name = GS_SHORT_NAME;
-        gs_tty_driver->name = "ttygs";
-        gs_tty_driver->major = GS_MAJOR;
-        gs_tty_driver->minor_start = GS_MINOR_START;
-        gs_tty_driver->type = TTY_DRIVER_TYPE_SERIAL;
-        gs_tty_driver->subtype = SERIAL_TYPE_NORMAL;
-        gs_tty_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
-        gs_tty_driver->init_termios = tty_std_termios;
-        gs_tty_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
-        tty_set_operations(gs_tty_driver, &gs_tty_ops);
-        for (i=0; i < GS_NUM_PORTS; i++)
-                mutex_init(&gs_open_close_lock[i]);
-        retval = tty_register_driver(gs_tty_driver);
-        if (retval) {
-                usb_gadget_unregister_driver(&gs_gadget_driver);
-                put_tty_driver(gs_tty_driver);
-                pr_err("gs_module_init: cannot register tty driver, "
-                                "ret=%d\n", retval);
-                return retval;
-        }
-        pr_info("gs_module_init: %s %s loaded\n",
-                        GS_LONG_NAME, GS_VERSION_STR);
-        return 0;
-}
-/*
-* gs_module_exit
-*
-* Unregister as a tty driver and a USB gadget driver.
-*/
-static void __exit gs_module_exit(void)
-{
-        tty_unregister_driver(gs_tty_driver);
-        put_tty_driver(gs_tty_driver);
-        usb_gadget_unregister_driver(&gs_gadget_driver);
-        pr_info("gs_module_exit: %s %s unloaded\n",
-                        GS_LONG_NAME, GS_VERSION_STR);
-}
 /* TTY Driver */
@@ -753,15 +606,15 @@ exit_unlock_dev:
 * gs_close
 */
-#define GS_WRITE_FINISHED_EVENT_SAFELY(p)                       \
+static int gs_write_finished_event_safely(struct gs_port *p)
-({                                                              \
+{
-        int cond;                                               \
+        int cond;
-                                                                \
-        spin_lock_irq(&(p)->port_lock);                         \
+        spin_lock_irq(&(p)->port_lock);
-        cond = !(p)->port_dev || !gs_buf_data_avail((p)->port_write_buf); \
+        cond = !(p)->port_dev || !gs_buf_data_avail((p)->port_write_buf);
-        spin_unlock_irq(&(p)->port_lock);                       \
+        spin_unlock_irq(&(p)->port_lock);
-        cond;                                                   \
+        return cond;
-})
+}
 static void gs_close(struct tty_struct *tty, struct file *file)
 {
@@ -807,7 +660,7 @@ static void gs_close(struct tty_struct *tty, struct file *file)
        if (gs_buf_data_avail(port->port_write_buf) > 0) {
                spin_unlock_irq(&port->port_lock);
                wait_event_interruptible_timeout(port->port_write_wait,
-                                        GS_WRITE_FINISHED_EVENT_SAFELY(port),
+                                        gs_write_finished_event_safely(port),
                                        GS_CLOSE_TIMEOUT * HZ);
                spin_lock_irq(&port->port_lock);
        }
@@ -1065,6 +918,23 @@ static void gs_set_termios(struct tty_struct *tty, struct ktermios *old)
 {
 }
+static const struct tty_operations gs_tty_ops = {
+        .open =                 gs_open,
+        .close =                gs_close,
+        .write =                gs_write,
+        .put_char =             gs_put_char,
+        .flush_chars =          gs_flush_chars,
+        .write_room =           gs_write_room,
+        .ioctl =                gs_ioctl,
+        .set_termios =          gs_set_termios,
+        .throttle =             gs_throttle,
+        .unthrottle =           gs_unthrottle,
+        .break_ctl =            gs_break,
+        .chars_in_buffer =      gs_chars_in_buffer,
+};
+/*-------------------------------------------------------------------------*/
 /*
 * gs_send
 *
@@ -1080,7 +950,6 @@ static int gs_send(struct gs_dev *dev)
        unsigned long flags;
        struct usb_ep *ep;
        struct usb_request *req;
-        struct gs_req_entry *req_entry;
        if (dev == NULL) {
                pr_err("gs_send: NULL device pointer\n");
@@ -1093,10 +962,8 @@ static int gs_send(struct gs_dev *dev)
        while(!list_empty(&dev->dev_req_list)) {
-                req_entry = list_entry(dev->dev_req_list.next,
+                req = list_entry(dev->dev_req_list.next,
-                        struct gs_req_entry, re_entry);
+                                struct usb_request, list);
-                req = req_entry->re_req;
                len = gs_send_packet(dev, req->buf, ep->maxpacket);
@@ -1106,7 +973,7 @@ static int gs_send(struct gs_dev *dev)
                                        *((unsigned char *)req->buf),
                                        *((unsigned char *)req->buf+1),
                                        *((unsigned char *)req->buf+2));
-                        list_del(&req_entry->re_entry);
+                        list_del(&req->list);
                        req->length = len;
                        spin_unlock_irqrestore(&dev->dev_lock, flags);
                        if ((ret=usb_ep_queue(ep, req, GFP_ATOMIC))) {
@@ -1289,7 +1156,6 @@ requeue:
 static void gs_write_complete(struct usb_ep *ep, struct usb_request *req)
 {
        struct gs_dev *dev = ep->driver_data;
-        struct gs_req_entry *gs_req = req->context;
        if (dev == NULL) {
                pr_err("gs_write_complete: NULL device pointer\n");
@@ -1300,13 +1166,8 @@ static void gs_write_complete(struct usb_ep *ep, struct usb_request *req)
        case 0:
                /* normal completion */
 requeue:
-                if (gs_req == NULL) {
-                        pr_err("gs_write_complete: NULL request pointer\n");
-                        return;
-                }
                spin_lock(&dev->dev_lock);
-                list_add(&gs_req->re_entry, &dev->dev_req_list);
+                list_add(&req->list, &dev->dev_req_list);
                spin_unlock(&dev->dev_lock);
                gs_send(dev);
@@ -1328,9 +1189,39 @@ requeue:
        }
 }
+/*-------------------------------------------------------------------------*/
 /* Gadget Driver */
 /*
+ * gs_unbind
+ *
+ * Called on module unload.  Frees the control request and device
+ * structure.
+ */
+static void /* __init_or_exit */ gs_unbind(struct usb_gadget *gadget)
+{
+        struct gs_dev *dev = get_gadget_data(gadget);
+        gs_device = NULL;
+        /* read/write requests already freed, only control request remains */
+        if (dev != NULL) {
+                if (dev->dev_ctrl_req != NULL) {
+                        gs_free_req(gadget->ep0, dev->dev_ctrl_req);
+                        dev->dev_ctrl_req = NULL;
+                }
+                gs_reset_config(dev);
+                gs_free_ports(dev);
+                kfree(dev);
+                set_gadget_data(gadget, NULL);
+        }
+        pr_info("gs_unbind: %s %s unbound\n", GS_LONG_NAME,
+                GS_VERSION_STR);
+}
+/*
 * gs_bind
 *
 * Called on module load.  Allocates and initializes the device
@@ -1362,19 +1253,23 @@ static int __init gs_bind(struct usb_gadget *gadget)
                        __constant_cpu_to_le16(GS_VERSION_NUM|0x0099);
        }
+        dev = kzalloc(sizeof(struct gs_dev), GFP_KERNEL);
+        if (dev == NULL)
+                return -ENOMEM;
        usb_ep_autoconfig_reset(gadget);
        ep = usb_ep_autoconfig(gadget, &gs_fullspeed_in_desc);
        if (!ep)
                goto autoconf_fail;
-        EP_IN_NAME = ep->name;
+        dev->dev_in_ep = ep;
-        ep->driver_data = ep;   /* claim the endpoint */
+        ep->driver_data = dev;  /* claim the endpoint */
        ep = usb_ep_autoconfig(gadget, &gs_fullspeed_out_desc);
        if (!ep)
                goto autoconf_fail;
-        EP_OUT_NAME = ep->name;
+        dev->dev_out_ep = ep;
-        ep->driver_data = ep;   /* claim the endpoint */
+        ep->driver_data = dev;  /* claim the endpoint */
        if (use_acm) {
                ep = usb_ep_autoconfig(gadget, &gs_fullspeed_notify_desc);
@@ -1384,8 +1279,8 @@ static int __init gs_bind(struct usb_gadget *gadget)
                }
                gs_device_desc.idProduct = __constant_cpu_to_le16(
                                                GS_CDC_PRODUCT_ID),
-                EP_NOTIFY_NAME = ep->name;
+                dev->dev_notify_ep = ep;
-                ep->driver_data = ep;   /* claim the endpoint */
+                ep->driver_data = dev;  /* claim the endpoint */
        }
        gs_device_desc.bDeviceClass = use_acm
@@ -1415,9 +1310,7 @@ static int __init gs_bind(struct usb_gadget *gadget)
                gs_acm_config_desc.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
        }
-        gs_device = dev = kzalloc(sizeof(struct gs_dev), GFP_KERNEL);
+        gs_device = dev;
-        if (dev == NULL)
-                return -ENOMEM;
        snprintf(manufacturer, sizeof(manufacturer), "%s %s with %s",
                init_utsname()->sysname, init_utsname()->release,
@@ -1441,8 +1334,6 @@ static int __init gs_bind(struct usb_gadget *gadget)
                gs_unbind(gadget);
                return -ENOMEM;
        }
-        dev->dev_ctrl_req->complete = gs_setup_complete;
        gadget->ep0->driver_data = dev;
        pr_info("gs_bind: %s %s bound\n",
@@ -1451,99 +1342,11 @@ static int __init gs_bind(struct usb_gadget *gadget)
        return 0;
 autoconf_fail:
+        kfree(dev);
        pr_err("gs_bind: cannot autoconfigure on %s\n", gadget->name);
        return -ENODEV;
 }
-/*
- * gs_unbind
- *
- * Called on module unload.  Frees the control request and device
- * structure.
- */
-static void /* __init_or_exit */ gs_unbind(struct usb_gadget *gadget)
-{
-        struct gs_dev *dev = get_gadget_data(gadget);
-        gs_device = NULL;
-        /* read/write requests already freed, only control request remains */
-        if (dev != NULL) {
-                if (dev->dev_ctrl_req != NULL) {
-                        gs_free_req(gadget->ep0, dev->dev_ctrl_req);
-                        dev->dev_ctrl_req = NULL;
-                }
-                gs_free_ports(dev);
-                if (dev->dev_notify_ep)
-                        usb_ep_disable(dev->dev_notify_ep);
-                if (dev->dev_in_ep)
-                        usb_ep_disable(dev->dev_in_ep);
-                if (dev->dev_out_ep)
-                        usb_ep_disable(dev->dev_out_ep);
-                kfree(dev);
-                set_gadget_data(gadget, NULL);
-        }
-        pr_info("gs_unbind: %s %s unbound\n", GS_LONG_NAME,
-                GS_VERSION_STR);
-}
-/*
- * gs_setup
- *
- * Implements all the control endpoint functionality that's not
- * handled in hardware or the hardware driver.
- *
- * Returns the size of the data sent to the host, or a negative
- * error number.
- */
-static int gs_setup(struct usb_gadget *gadget,
-        const struct usb_ctrlrequest *ctrl)
-{
-        int ret = -EOPNOTSUPP;
-        struct gs_dev *dev = get_gadget_data(gadget);
-        struct usb_request *req = dev->dev_ctrl_req;
-        u16 wIndex = le16_to_cpu(ctrl->wIndex);
-        u16 wValue = le16_to_cpu(ctrl->wValue);
-        u16 wLength = le16_to_cpu(ctrl->wLength);
-        req->complete = gs_setup_complete;
-        switch (ctrl->bRequestType & USB_TYPE_MASK) {
-        case USB_TYPE_STANDARD:
-                ret = gs_setup_standard(gadget,ctrl);
-                break;
-        case USB_TYPE_CLASS:
-                ret = gs_setup_class(gadget,ctrl);
-                break;
-        default:
-                pr_err("gs_setup: unknown request, type=%02x, request=%02x, "
-                        "value=%04x, index=%04x, length=%d\n",
-                        ctrl->bRequestType, ctrl->bRequest,
-                        wValue, wIndex, wLength);
-                break;
-        }
-        /* respond with data transfer before status phase? */
-        if (ret >= 0) {
-                req->length = ret;
-                req->zero = ret < wLength
-                                && (ret % gadget->ep0->maxpacket) == 0;
-                ret = usb_ep_queue(gadget->ep0, req, GFP_ATOMIC);
-                if (ret < 0) {
-                        pr_err("gs_setup: cannot queue response, ret=%d\n",
-                                ret);
-                        req->status = 0;
-                        gs_setup_complete(gadget->ep0, req);
-                }
-        }
-        /* device either stalls (ret < 0) or reports success */
-        return ret;
-}
 static int gs_setup_standard(struct usb_gadget *gadget,
        const struct usb_ctrlrequest *ctrl)
 {
@@ -1673,6 +1476,42 @@ set_interface_done:
        return ret;
 }
+static void gs_setup_complete_set_line_coding(struct usb_ep *ep,
+                struct usb_request *req)
+{
+        struct gs_dev *dev = ep->driver_data;
+        struct gs_port *port = dev->dev_port[0]; /* ACM only has one port */
+        switch (req->status) {
+        case 0:
+                /* normal completion */
+                if (req->actual != sizeof(port->port_line_coding))
+                        usb_ep_set_halt(ep);
+                else if (port) {
+                        struct usb_cdc_line_coding      *value = req->buf;
+                        /* REVISIT:  we currently just remember this data.
+                         * If we change that, (a) validate it first, then
+                         * (b) update whatever hardware needs updating.
+                         */
+                        spin_lock(&port->port_lock);
+                        port->port_line_coding = *value;
+                        spin_unlock(&port->port_lock);
+                }
+                break;
+        case -ESHUTDOWN:
+                /* disconnect */
+                gs_free_req(ep, req);
+                break;
+        default:
+                /* unexpected */
+                break;
+        }
+        return;
+}
 static int gs_setup_class(struct usb_gadget *gadget,
        const struct usb_ctrlrequest *ctrl)
 {
@@ -1734,52 +1573,72 @@ static int gs_setup_class(struct usb_gadget *gadget,
        return ret;
 }
-static void gs_setup_complete_set_line_coding(struct usb_ep *ep,
+/*
-                struct usb_request *req)
+ * gs_setup_complete
+ */
+static void gs_setup_complete(struct usb_ep *ep, struct usb_request *req)
 {
-        struct gs_dev *dev = ep->driver_data;
+        if (req->status || req->actual != req->length) {
-        struct gs_port *port = dev->dev_port[0]; /* ACM only has one port */
+                pr_err("gs_setup_complete: status error, status=%d, "
+                        "actual=%d, length=%d\n",
+                        req->status, req->actual, req->length);
+        }
+}
-        switch (req->status) {
+/*
-        case 0:
+ * gs_setup
-                /* normal completion */
+ *
-                if (req->actual != sizeof(port->port_line_coding))
+ * Implements all the control endpoint functionality that's not
-                        usb_ep_set_halt(ep);
+ * handled in hardware or the hardware driver.
-                else if (port) {
+ *
-                        struct usb_cdc_line_coding      *value = req->buf;
+ * Returns the size of the data sent to the host, or a negative
+ * error number.
+ */
+static int gs_setup(struct usb_gadget *gadget,
+        const struct usb_ctrlrequest *ctrl)
+{
+        int             ret = -EOPNOTSUPP;
+        struct gs_dev   *dev = get_gadget_data(gadget);
+        struct usb_request *req = dev->dev_ctrl_req;
+        u16             wIndex = le16_to_cpu(ctrl->wIndex);
+        u16             wValue = le16_to_cpu(ctrl->wValue);
+        u16             wLength = le16_to_cpu(ctrl->wLength);
-                        /* REVISIT:  we currently just remember this data.
+        req->complete = gs_setup_complete;
-                         * If we change that, (a) validate it first, then
-                         * (b) update whatever hardware needs updating.
+        switch (ctrl->bRequestType & USB_TYPE_MASK) {
-                         */
+        case USB_TYPE_STANDARD:
-                        spin_lock(&port->port_lock);
+                ret = gs_setup_standard(gadget, ctrl);
-                        port->port_line_coding = *value;
-                        spin_unlock(&port->port_lock);
-                }
                break;
-        case -ESHUTDOWN:
+        case USB_TYPE_CLASS:
-                /* disconnect */
+                ret = gs_setup_class(gadget, ctrl);
-                gs_free_req(ep, req);
                break;
        default:
-                /* unexpected */
+                pr_err("gs_setup: unknown request, type=%02x, request=%02x, "
+                        "value=%04x, index=%04x, length=%d\n",
+                        ctrl->bRequestType, ctrl->bRequest,
+                        wValue, wIndex, wLength);
                break;
        }
-        return;
-}
-/*
+        /* respond with data transfer before status phase? */
- * gs_setup_complete
+        if (ret >= 0) {
- */
+                req->length = ret;
-static void gs_setup_complete(struct usb_ep *ep, struct usb_request *req)
+                req->zero = ret < wLength
-{
+                                && (ret % gadget->ep0->maxpacket) == 0;
-        if (req->status || req->actual != req->length) {
+                ret = usb_ep_queue(gadget->ep0, req, GFP_ATOMIC);
-                pr_err("gs_setup_complete: status error, status=%d, "
+                if (ret < 0) {
-                        "actual=%d, length=%d\n",
+                        pr_err("gs_setup: cannot queue response, ret=%d\n",
-                        req->status, req->actual, req->length);
+                                ret);
+                        req->status = 0;
+                        gs_setup_complete(gadget->ep0, req);
+                }
        }
+        /* device either stalls (ret < 0) or reports success */
+        return ret;
 }
 /*
@@ -1811,6 +1670,23 @@ static void gs_disconnect(struct usb_gadget *gadget)
        pr_info("gs_disconnect: %s disconnected\n", GS_LONG_NAME);
 }
+static struct usb_gadget_driver gs_gadget_driver = {
+#ifdef CONFIG_USB_GADGET_DUALSPEED
+        .speed =                USB_SPEED_HIGH,
+#else
+        .speed =                USB_SPEED_FULL,
+#endif /* CONFIG_USB_GADGET_DUALSPEED */
+        .function =             GS_LONG_NAME,
+        .bind =                 gs_bind,
+        .unbind =               gs_unbind,
+        .setup =                gs_setup,
+        .disconnect =           gs_disconnect,
+        .driver = {
+                .name =         GS_SHORT_NAME,
+                .owner =        THIS_MODULE,
+        },
+};
 /*
 * gs_set_config
 *
@@ -1826,9 +1702,8 @@ static int gs_set_config(struct gs_dev *dev, unsigned config)
        int ret = 0;
        struct usb_gadget *gadget = dev->dev_gadget;
        struct usb_ep *ep;
-        struct usb_endpoint_descriptor *ep_desc;
+        struct usb_endpoint_descriptor *out, *in, *notify;
        struct usb_request *req;
-        struct gs_req_entry *req_entry;
        if (dev == NULL) {
                pr_err("gs_set_config: NULL device pointer\n");
@@ -1846,86 +1721,62 @@ static int gs_set_config(struct gs_dev *dev, unsigned config)
        case GS_BULK_CONFIG_ID:
                if (use_acm)
                        return -EINVAL;
-                /* device specific optimizations */
-                if (gadget_is_net2280(gadget))
-                        net2280_set_fifo_mode(gadget, 1);
                break;
        case GS_ACM_CONFIG_ID:
                if (!use_acm)
                        return -EINVAL;
-                /* device specific optimizations */
-                if (gadget_is_net2280(gadget))
-                        net2280_set_fifo_mode(gadget, 1);
                break;
        default:
                return -EINVAL;
        }
-        dev->dev_config = config;
+        in = choose_ep_desc(gadget,
+                        &gs_highspeed_in_desc,
-        gadget_for_each_ep(ep, gadget) {
+                        &gs_fullspeed_in_desc);
+        out = choose_ep_desc(gadget,
-                if (EP_NOTIFY_NAME
+                        &gs_highspeed_out_desc,
-                && strcmp(ep->name, EP_NOTIFY_NAME) == 0) {
+                        &gs_fullspeed_out_desc);
-                        ep_desc = choose_ep_desc(gadget,
+        notify = dev->dev_notify_ep
+                ? choose_ep_desc(gadget,
                                &gs_highspeed_notify_desc,
-                                &gs_fullspeed_notify_desc);
+                                &gs_fullspeed_notify_desc)
-                        ret = usb_ep_enable(ep,ep_desc);
+                : NULL;
-                        if (ret == 0) {
-                                ep->driver_data = dev;
-                                dev->dev_notify_ep = ep;
-                                dev->dev_notify_ep_desc = ep_desc;
-                        } else {
-                                pr_err("gs_set_config: cannot enable NOTIFY "
-                                        "endpoint %s, ret=%d\n",
-                                        ep->name, ret);
-                                goto exit_reset_config;
-                        }
-                }
-                else if (strcmp(ep->name, EP_IN_NAME) == 0) {
-                        ep_desc = choose_ep_desc(gadget,
-                                &gs_highspeed_in_desc,
-                                &gs_fullspeed_in_desc);
-                        ret = usb_ep_enable(ep,ep_desc);
-                        if (ret == 0) {
-                                ep->driver_data = dev;
-                                dev->dev_in_ep = ep;
-                                dev->dev_in_ep_desc = ep_desc;
-                        } else {
-                                pr_err("gs_set_config: cannot enable IN "
-                                        "endpoint %s, ret=%d\n",
-                                        ep->name, ret);
-                                goto exit_reset_config;
-                        }
-                }
-                else if (strcmp(ep->name, EP_OUT_NAME) == 0) {
+        ret = usb_ep_enable(dev->dev_in_ep, in);
-                        ep_desc = choose_ep_desc(gadget,
+        if (ret == 0) {
-                                &gs_highspeed_out_desc,
+                dev->dev_in_ep_desc = in;
-                                &gs_fullspeed_out_desc);
+        } else {
-                        ret = usb_ep_enable(ep,ep_desc);
+                pr_debug("%s: cannot enable %s %s, ret=%d\n",
-                        if (ret == 0) {
+                        __func__, "IN", dev->dev_in_ep->name, ret);
-                                ep->driver_data = dev;
+                return ret;
-                                dev->dev_out_ep = ep;
+        }
-                                dev->dev_out_ep_desc = ep_desc;
-                        } else {
-                                pr_err("gs_set_config: cannot enable OUT "
-                                        "endpoint %s, ret=%d\n",
-                                        ep->name, ret);
-                                goto exit_reset_config;
-                        }
-                }
+        ret = usb_ep_enable(dev->dev_out_ep, out);
+        if (ret == 0) {
+                dev->dev_out_ep_desc = out;
+        } else {
+                pr_debug("%s: cannot enable %s %s, ret=%d\n",
+                        __func__, "OUT", dev->dev_out_ep->name, ret);
+fail0:
+                usb_ep_disable(dev->dev_in_ep);
+                return ret;
        }
-        if (dev->dev_in_ep == NULL || dev->dev_out_ep == NULL
+        if (notify) {
-        || (config != GS_BULK_CONFIG_ID && dev->dev_notify_ep == NULL)) {
+                ret = usb_ep_enable(dev->dev_notify_ep, notify);
-                pr_err("gs_set_config: cannot find endpoints\n");
+                if (ret == 0) {
-                ret = -ENODEV;
+                        dev->dev_notify_ep_desc = notify;
-                goto exit_reset_config;
+                } else {
+                        pr_debug("%s: cannot enable %s %s, ret=%d\n",
+                                __func__, "NOTIFY",
+                                dev->dev_notify_ep->name, ret);
+                        usb_ep_disable(dev->dev_out_ep);
+                        goto fail0;
+                }
        }
+        dev->dev_config = config;
        /* allocate and queue read requests */
        ep = dev->dev_out_ep;
        for (i=0; i<read_q_size && ret == 0; i++) {
@@ -1946,9 +1797,10 @@ static int gs_set_config(struct gs_dev *dev, unsigned config)
        /* allocate write requests, and put on free list */
        ep = dev->dev_in_ep;
        for (i=0; i<write_q_size; i++) {
-                if ((req_entry=gs_alloc_req_entry(ep, ep->maxpacket, GFP_ATOMIC))) {
+                req = gs_alloc_req(ep, ep->maxpacket, GFP_ATOMIC);
-                        req_entry->re_req->complete = gs_write_complete;
+                if (req) {
-                        list_add(&req_entry->re_entry, &dev->dev_req_list);
+                        req->complete = gs_write_complete;
+                        list_add(&req->list, &dev->dev_req_list);
                } else {
                        pr_err("gs_set_config: cannot allocate "
                                        "write requests\n");
@@ -1986,7 +1838,7 @@ exit_reset_config:
 */
 static void gs_reset_config(struct gs_dev *dev)
 {
-        struct gs_req_entry *req_entry;
+        struct usb_request *req;
        if (dev == NULL) {
                pr_err("gs_reset_config: NULL device pointer\n");
@@ -2000,26 +1852,18 @@ static void gs_reset_config(struct gs_dev *dev)
        /* free write requests on the free list */
        while(!list_empty(&dev->dev_req_list)) {
-                req_entry = list_entry(dev->dev_req_list.next,
+                req = list_entry(dev->dev_req_list.next,
-                        struct gs_req_entry, re_entry);
+                                struct usb_request, list);
-                list_del(&req_entry->re_entry);
+                list_del(&req->list);
-                gs_free_req_entry(dev->dev_in_ep, req_entry);
+                gs_free_req(dev->dev_in_ep, req);
        }
        /* disable endpoints, forcing completion of pending i/o; */
        /* completion handlers free their requests in this case */
-        if (dev->dev_notify_ep) {
+        if (dev->dev_notify_ep)
                usb_ep_disable(dev->dev_notify_ep);
-                dev->dev_notify_ep = NULL;
+        usb_ep_disable(dev->dev_in_ep);
-        }
+        usb_ep_disable(dev->dev_out_ep);
-        if (dev->dev_in_ep) {
-                usb_ep_disable(dev->dev_in_ep);
-                dev->dev_in_ep = NULL;
-        }
-        if (dev->dev_out_ep) {
-                usb_ep_disable(dev->dev_out_ep);
-                dev->dev_out_ep = NULL;
-        }
 }
 /*
@@ -2113,46 +1957,6 @@ static void gs_free_req(struct usb_ep *ep, struct usb_request *req)
 }
 /*
- * gs_alloc_req_entry
- *
- * Allocates a request and its buffer, using the given
- * endpoint, buffer len, and kmalloc flags.
- */
-static struct gs_req_entry *
-gs_alloc_req_entry(struct usb_ep *ep, unsigned len, gfp_t kmalloc_flags)
-{
-        struct gs_req_entry     *req;
-        req = kmalloc(sizeof(struct gs_req_entry), kmalloc_flags);
-        if (req == NULL)
-                return NULL;
-        req->re_req = gs_alloc_req(ep, len, kmalloc_flags);
-        if (req->re_req == NULL) {
-                kfree(req);
-                return NULL;
-        }
-        req->re_req->context = req;
-        return req;
-}
-/*
- * gs_free_req_entry
- *
- * Frees a request and its buffer.
- */
-static void gs_free_req_entry(struct usb_ep *ep, struct gs_req_entry *req)
-{
-        if (ep != NULL && req != NULL) {
-                if (req->re_req != NULL)
-                        gs_free_req(ep, req->re_req);
-                kfree(req);
-        }
-}
-/*
 * gs_alloc_ports
 *
 * Allocate all ports and set the gs_dev struct to point to them.
@@ -2233,6 +2037,8 @@ static void gs_free_ports(struct gs_dev *dev)
        }
 }
+/*-------------------------------------------------------------------------*/
 /* Circular Buffer */
 /*
@@ -2393,3 +2199,77 @@ gs_buf_get(struct gs_buf *gb, char *buf, unsigned int count)
        return count;
 }
+/*-------------------------------------------------------------------------*/
+static struct tty_driver *gs_tty_driver;
+/*
+ *  gs_module_init
+ *
+ *  Register as a USB gadget driver and a tty driver.
+ */
+static int __init gs_module_init(void)
+{
+        int i;
+        int retval;
+        retval = usb_gadget_register_driver(&gs_gadget_driver);
+        if (retval) {
+                pr_err("gs_module_init: cannot register gadget driver, "
+                        "ret=%d\n", retval);
+                return retval;
+        }
+        gs_tty_driver = alloc_tty_driver(GS_NUM_PORTS);
+        if (!gs_tty_driver)
+                return -ENOMEM;
+        gs_tty_driver->owner = THIS_MODULE;
+        gs_tty_driver->driver_name = GS_SHORT_NAME;
+        gs_tty_driver->name = "ttygs";
+        gs_tty_driver->major = GS_MAJOR;
+        gs_tty_driver->minor_start = GS_MINOR_START;
+        gs_tty_driver->type = TTY_DRIVER_TYPE_SERIAL;
+        gs_tty_driver->subtype = SERIAL_TYPE_NORMAL;
+        gs_tty_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
+        gs_tty_driver->init_termios = tty_std_termios;
+        /* must match GS_DEFAULT_DTE_RATE and friends */
+        gs_tty_driver->init_termios.c_cflag =
+                B9600 | CS8 | CREAD | HUPCL | CLOCAL;
+        gs_tty_driver->init_termios.c_ispeed = GS_DEFAULT_DTE_RATE;
+        gs_tty_driver->init_termios.c_ospeed = GS_DEFAULT_DTE_RATE;
+        tty_set_operations(gs_tty_driver, &gs_tty_ops);
+        for (i = 0; i < GS_NUM_PORTS; i++)
+                mutex_init(&gs_open_close_lock[i]);
+        retval = tty_register_driver(gs_tty_driver);
+        if (retval) {
+                usb_gadget_unregister_driver(&gs_gadget_driver);
+                put_tty_driver(gs_tty_driver);
+                pr_err("gs_module_init: cannot register tty driver, "
+                                "ret=%d\n", retval);
+                return retval;
+        }
+        pr_info("gs_module_init: %s %s loaded\n",
+                        GS_LONG_NAME, GS_VERSION_STR);
+        return 0;
+}
+module_init(gs_module_init);
+/*
+ * gs_module_exit
+ *
+ * Unregister as a tty driver and a USB gadget driver.
+ */
+static void __exit gs_module_exit(void)
+{
+        tty_unregister_driver(gs_tty_driver);
+        put_tty_driver(gs_tty_driver);
+        usb_gadget_unregister_driver(&gs_gadget_driver);
+        pr_info("gs_module_exit: %s %s unloaded\n",
+                        GS_LONG_NAME, GS_VERSION_STR);
+}
+module_exit(gs_module_exit);
diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c
index 4ba96c1e060c..c9cec8738261 100644
--- a/drivers/usb/host/isp1760-hcd.c
+++ b/drivers/usb/host/isp1760-hcd.c
@@ -988,7 +988,7 @@ static void do_atl_int(struct usb_hcd *usb_hcd)
                         * This did not trigger for a long time now.
                         */
                        printk(KERN_ERR "Reloading ptd %p/%p... qh %p readed: "
-                                        "%d of %d done: %08x cur: %08x\n", qtd,
+                                        "%d of %zu done: %08x cur: %08x\n", qtd,
                                        urb, qh, PTD_XFERRED_LENGTH(dw3),
                                        qtd->length, done_map,
                                        (1 << queue_entry));
@@ -1088,7 +1088,7 @@ static void do_atl_int(struct usb_hcd *usb_hcd)
                } else if (usb_pipebulk(urb->pipe) && (length < qtd->length)) {
                        /* short BULK received */
-                        printk(KERN_ERR "short bulk, %d instead %d\n", length,
+                        printk(KERN_ERR "short bulk, %d instead %zu\n", length,
                                        qtd->length);
                        if (urb->transfer_flags & URB_SHORT_NOT_OK) {
                                urb->status = -EREMOTEIO;
diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c
index 73fb2a38f1e4..440bf94f0d4c 100644
--- a/drivers/usb/host/isp1760-if.c
+++ b/drivers/usb/host/isp1760-if.c
@@ -256,7 +256,7 @@ static struct pci_driver isp1761_pci_driver = {
 static int __init isp1760_init(void)
 {
-        int ret;
+        int ret = -ENODEV;
        init_kmem_once();
diff --git a/drivers/usb/host/ohci-sm501.c b/drivers/usb/host/ohci-sm501.c
index 77204f001b9a..e899a77dfb83 100644
--- a/drivers/usb/host/ohci-sm501.c
+++ b/drivers/usb/host/ohci-sm501.c
@@ -90,7 +90,7 @@ static int ohci_hcd_sm501_drv_probe(struct platform_device *pdev)
        struct device *dev = &pdev->dev;
        struct resource *res, *mem;
        int retval, irq;
-        struct usb_hcd *hcd = 0;
+        struct usb_hcd *hcd = NULL;
        irq = retval = platform_get_irq(pdev, 0);
        if (retval < 0)
diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c
index 7aafd53fbcab..189a9db03509 100644
--- a/drivers/usb/misc/ldusb.c
+++ b/drivers/usb/misc/ldusb.c
@@ -63,9 +63,6 @@
 #define USB_DEVICE_ID_VERNIER_CYCLOPS   0x0004
 #define USB_DEVICE_ID_VERNIER_LCSPEC    0x0006
-#define USB_VENDOR_ID_MICROCHIP         0x04d8
-#define USB_DEVICE_ID_PICDEM            0x000c
 #ifdef CONFIG_USB_DYNAMIC_MINORS
 #define USB_LD_MINOR_BASE       0
 #else
@@ -92,7 +89,6 @@ static struct usb_device_id ld_usb_table [] = {
        { USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
        { USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
        { USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
-        { USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICDEM) },
        { USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
        { }                                     /* Terminating entry */
 };
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index 742be3c35947..054dedd28127 100644
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -856,6 +856,11 @@ test_ctrl_queue (struct usbtest_dev *dev, struct usbtest_param *param)
                struct urb              *u;
                struct usb_ctrlrequest  req;
                struct subcase          *reqp;
+                /* sign of this variable means:
+                 *  -: tested code must return this (negative) error code
+                 *  +: tested code may return this (negative too) error code
+                 */
                int                     expected = 0;
                /* requests here are mostly expected to succeed on any
diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
index 2cffec85ee7e..9ba64ccc1359 100644
--- a/drivers/usb/serial/Kconfig
+++ b/drivers/usb/serial/Kconfig
@@ -447,6 +447,15 @@ config USB_SERIAL_MOS7840
          To compile this driver as a module, choose M here: the
          module will be called mos7840.  If unsure, choose N.
+config USB_SERIAL_MOTOROLA
+        tristate "USB Motorola Phone modem driver"
+        ---help---
+          Say Y here if you want to use a Motorola phone with a USB
+          connector as a modem link.
+          To compile this driver as a module, choose M here: the
+          module will be called moto_modem.  If unsure, choose N.
 config USB_SERIAL_NAVMAN
        tristate "USB Navman GPS device"
        help
diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile
index 756859510d8c..17a762ab6769 100644
--- a/drivers/usb/serial/Makefile
+++ b/drivers/usb/serial/Makefile
@@ -39,6 +39,7 @@ obj-$(CONFIG_USB_SERIAL_KOBIL_SCT)		+= kobil_sct.o
 obj-$(CONFIG_USB_SERIAL_MCT_U232)               += mct_u232.o
 obj-$(CONFIG_USB_SERIAL_MOS7720)                += mos7720.o
 obj-$(CONFIG_USB_SERIAL_MOS7840)                += mos7840.o
+obj-$(CONFIG_USB_SERIAL_MOTOROLA)               += moto_modem.o
 obj-$(CONFIG_USB_SERIAL_NAVMAN)                 += navman.o
 obj-$(CONFIG_USB_SERIAL_OMNINET)                += omninet.o
 obj-$(CONFIG_USB_SERIAL_OPTION)                 += option.o
diff --git a/drivers/usb/serial/moto_modem.c b/drivers/usb/serial/moto_modem.c
new file mode 100644
index 000000000000..2e8e05462ef7
--- /dev/null
+++ b/drivers/usb/serial/moto_modem.c
@@ -0,0 +1,70 @@
+/*
+ * Motorola USB Phone driver
+ *
+ * Copyright (C) 2008 Greg Kroah-Hartman <greg@kroah.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ * {sigh}
+ * Mororola should be using the CDC ACM USB spec, but instead
+ * they try to just "do their own thing"...  This driver should handle a
+ * few phones in which a basic "dumb serial connection" is needed to be
+ * able to get a connection through to them.
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/tty.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+#include <linux/usb/serial.h>
+static struct usb_device_id id_table [] = {
+        { USB_DEVICE(0x05c6, 0x3197) }, /* unknown Motorola phone */
+        { USB_DEVICE(0x0c44, 0x0022) }, /* unknown Mororola phone */
+        { USB_DEVICE(0x22b8, 0x2a64) }, /* Motorola KRZR K1m */
+        { },
+};
+MODULE_DEVICE_TABLE(usb, id_table);
+static struct usb_driver moto_driver = {
+        .name =         "moto-modem",
+        .probe =        usb_serial_probe,
+        .disconnect =   usb_serial_disconnect,
+        .id_table =     id_table,
+        .no_dynamic_id =        1,
+};
+static struct usb_serial_driver moto_device = {
+        .driver = {
+                .owner =        THIS_MODULE,
+                .name =         "moto-modem",
+        },
+        .id_table =             id_table,
+        .num_ports =            1,
+};
+static int __init moto_init(void)
+{
+        int retval;
+        retval = usb_serial_register(&moto_device);
+        if (retval)
+                return retval;
+        retval = usb_register(&moto_driver);
+        if (retval)
+                usb_serial_deregister(&moto_device);
+        return retval;
+}
+static void __exit moto_exit(void)
+{
+        usb_deregister(&moto_driver);
+        usb_serial_deregister(&moto_device);
+}
+module_init(moto_init);
+module_exit(moto_exit);
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index e4be2d442b1e..e7e016e60333 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -154,8 +154,6 @@ static int  option_send_setup(struct usb_serial_port *port);
 #define NOVATELWIRELESS_PRODUCT_MC727           0x4100
 #define NOVATELWIRELESS_PRODUCT_MC950D          0x4400
-#define NOVATELWIRELESS_PRODUCT_U727            0x5010
 /* FUTURE NOVATEL PRODUCTS */
 #define NOVATELWIRELESS_PRODUCT_EVDO_1          0x6000
 #define NOVATELWIRELESS_PRODUCT_HSPA_1          0x7000
@@ -184,6 +182,9 @@ static int  option_send_setup(struct usb_serial_port *port);
 #define AXESSTEL_VENDOR_ID                      0x1726
 #define AXESSTEL_PRODUCT_MV110H                 0x1000
+#define ONDA_VENDOR_ID                          0x19d2
+#define ONDA_PRODUCT_ET502HS                    0x0002
 #define BANDRICH_VENDOR_ID                      0x1A8D
 #define BANDRICH_PRODUCT_C100_1                 0x1002
 #define BANDRICH_PRODUCT_C100_2                 0x1003
@@ -269,7 +270,6 @@ static struct usb_device_id option_ids[] = {
        { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU870D) }, /* Novatel EU850D/EU860D/EU870D */
        { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC950D) }, /* Novatel MC930D/MC950D */
        { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727) }, /* Novatel MC727/U727/USB727 */
-        { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U727) }, /* Novatel U727 */
        { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_1) }, /* Novatel EVDO product */
        { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_1) }, /* Novatel HSPA product */
        { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EMBEDDED_1) }, /* Novatel Embedded product */
@@ -293,14 +293,17 @@ static struct usb_device_id option_ids[] = {
        { USB_DEVICE(DELL_VENDOR_ID, 0x8133) }, /* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
        { USB_DEVICE(DELL_VENDOR_ID, 0x8136) }, /* Dell Wireless HSDPA 5520 == Novatel Expedite EU860D */
        { USB_DEVICE(DELL_VENDOR_ID, 0x8137) }, /* Dell Wireless HSDPA 5520 */
+        { USB_DEVICE(DELL_VENDOR_ID, 0x8138) }, /* Dell Wireless 5520 Voda I Mobile Broadband (3G HSDPA) Minicard */
        { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) },
        { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
        { USB_DEVICE(AXESSTEL_VENDOR_ID, AXESSTEL_PRODUCT_MV110H) },
+        { USB_DEVICE(ONDA_VENDOR_ID, ONDA_PRODUCT_ET502HS) },
        { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_1) },
        { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_2) },
        { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) },
        { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
        { USB_DEVICE(MAXON_VENDOR_ID, 0x6280) }, /* BP3-USB & BP3-EXT HSDPA */
+        { USB_DEVICE(0x19d2, 0x0001) },         /* Telstra NextG CDMA */
        { } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index a0ed889230aa..1b09578cbb10 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -401,6 +401,14 @@ UNUSUAL_DEV(  0x04a5, 0x3010, 0x0100, 0x0100,
                US_SC_DEVICE, US_PR_DEVICE, NULL,
                US_FL_IGNORE_RESIDUE ),
+#ifdef CONFIG_USB_STORAGE_CYPRESS_ATACB
+UNUSUAL_DEV(  0x04b4, 0x6830, 0x0000, 0x9999,
+                "Cypress",
+                "Cypress AT2LP",
+                US_SC_CYP_ATACB, US_PR_BULK, NULL,
+                0),
+#endif
 /* Reported by Simon Levitt <simon@whattf.com>
 * This entry needs Sub and Proto fields */
 UNUSUAL_DEV(  0x04b8, 0x0601, 0x0100, 0x0100,
@@ -539,17 +547,6 @@ UNUSUAL_DEV(  0x04e6, 0x0101, 0x0200, 0x0200,
                "CD-RW Device",
                US_SC_8020, US_PR_CB, NULL, 0),
-/* Entry and supporting patch by Theodore Kilgore <kilgota@auburn.edu>.
- * Device uses standards-violating 32-byte Bulk Command Block Wrappers and
- * reports itself as "Proprietary SCSI Bulk." Cf. device entry 0x084d:0x0011.
- */
-UNUSUAL_DEV(  0x04fc, 0x80c2, 0x0100, 0x0100,
-                "Kobian Mercury",
-                "Binocam DCB-132",
-                US_SC_DEVICE, US_PR_DEVICE, NULL,
-                US_FL_BULK32),
 #ifdef CONFIG_USB_STORAGE_USBAT
 UNUSUAL_DEV(  0x04e6, 0x1010, 0x0000, 0x9999,
                "Shuttle/SCM",
@@ -565,6 +562,16 @@ UNUSUAL_DEV(  0x04e8, 0x507c, 0x0220, 0x0220,
                US_SC_DEVICE, US_PR_DEVICE, NULL,
                US_FL_MAX_SECTORS_64),
+/* Entry and supporting patch by Theodore Kilgore <kilgota@auburn.edu>.
+ * Device uses standards-violating 32-byte Bulk Command Block Wrappers and
+ * reports itself as "Proprietary SCSI Bulk." Cf. device entry 0x084d:0x0011.
+ */
+UNUSUAL_DEV(  0x04fc, 0x80c2, 0x0100, 0x0100,
+                "Kobian Mercury",
+                "Binocam DCB-132",
+                US_SC_DEVICE, US_PR_DEVICE, NULL,
+                US_FL_BULK32),
 /* Reported by Bob Sass <rls@vectordb.com> -- only rev 1.33 tested */
 UNUSUAL_DEV(  0x050d, 0x0115, 0x0133, 0x0133,
                "Belkin",
@@ -1304,6 +1311,16 @@ UNUSUAL_DEV( 0x0ace, 0x20ff, 0x0101, 0x0101,
                US_SC_DEVICE, US_PR_DEVICE, NULL,
                US_FL_IGNORE_DEVICE ),
+/* Reported by F. Aben <f.aben@option.com>
+ * This device (wrongly) has a vendor-specific device descriptor.
+ * The entry is needed so usb-storage can bind to it's mass-storage
+ * interface as an interface driver */
+UNUSUAL_DEV( 0x0af0, 0x7401, 0x0000, 0x0000,
+                "Option",
+                "GI 0401 SD-Card",
+                US_SC_DEVICE, US_PR_DEVICE, NULL,
+                0 ),
 #ifdef CONFIG_USB_STORAGE_ISD200
 UNUSUAL_DEV(  0x0bf6, 0xa001, 0x0100, 0x0110,
                "ATI",
@@ -1361,13 +1378,6 @@ UNUSUAL_DEV( 0x0d96, 0x410a, 0x0001, 0xffff,
                US_SC_DEVICE, US_PR_DEVICE, NULL,
                US_FL_FIX_INQUIRY),
-/* Reported by Rohan Hart <rohan.hart17@gmail.com> */
-UNUSUAL_DEV(  0x2770, 0x915d, 0x0010, 0x0010,
-                "INTOVA",
-                "Pixtreme",
-                US_SC_DEVICE, US_PR_DEVICE, NULL,
-                US_FL_FIX_CAPACITY ),
 /*
 * Entry for Jenoptik JD 5200z3
 *
@@ -1684,6 +1694,16 @@ UNUSUAL_DEV(  0x1652, 0x6600, 0x0201, 0x0201,
                US_SC_DEVICE, US_PR_DEVICE, NULL,
                US_FL_IGNORE_RESIDUE ),
+/* Reported by Mauro Andreolini <andreoli@weblab.ing.unimo.it>
+ * This entry is needed to bypass the ZeroCD mechanism
+ * and to properly load as a modem device.
+ */
+UNUSUAL_DEV(  0x19d2, 0x2000, 0x0000, 0x0000,
+                "Onda ET502HS",
+                "USB MMC Storage",
+                US_SC_DEVICE, US_PR_DEVICE, NULL,
+                US_FL_IGNORE_DEVICE),
 /* patch submitted by Davide Perini <perini.davide@dpsoftware.org>
 * and Renato Perini <rperini@email.it>
 */
@@ -1721,6 +1741,13 @@ UNUSUAL_DEV(  0x2735, 0x100b, 0x0000, 0x9999,
                US_SC_DEVICE, US_PR_DEVICE, NULL,
                US_FL_GO_SLOW ),
+/* Reported by Rohan Hart <rohan.hart17@gmail.com> */
+UNUSUAL_DEV(  0x2770, 0x915d, 0x0010, 0x0010,
+                "INTOVA",
+                "Pixtreme",
+                US_SC_DEVICE, US_PR_DEVICE, NULL,
+                US_FL_FIX_CAPACITY ),
 /*
 * David Härdeman <david@2gen.com>
 * The key makes the SCSI stack print confusing (but harmless) messages
@@ -1745,14 +1772,6 @@ UNUSUAL_DEV(  0xed06, 0x4500, 0x0001, 0x0001,
                US_SC_DEVICE, US_PR_DEVICE, NULL,
                US_FL_CAPACITY_HEURISTICS),
-#ifdef CONFIG_USB_STORAGE_CYPRESS_ATACB
-UNUSUAL_DEV(  0x04b4, 0x6830, 0x0000, 0x9999,
-                "Cypress",
-                "Cypress AT2LP",
-                US_SC_CYP_ATACB, US_PR_BULK, NULL,
-                0),
-#endif
 /* Control/Bulk transport for all SubClass values */
 USUAL_DEV(US_SC_RBC, US_PR_CB, USB_US_TYPE_STOR),
 USUAL_DEV(US_SC_8020, US_PR_CB, USB_US_TYPE_STOR),
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index bb1dadaa4a23..2cdaf1ff8315 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -171,7 +171,6 @@ config FB_SYS_FOPS
 config FB_DEFERRED_IO
        bool
        depends on FB
-        default y
 config FB_METRONOME
        tristate
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 8ffdf3578768..b004036d4087 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -441,14 +441,15 @@ static int atmel_lcdfb_set_par(struct fb_info *info)
        value = DIV_ROUND_UP(clk_value_khz, PICOS2KHZ(info->var.pixclock));
-        value = (value / 2) - 1;
+        if (value < 2) {
-        dev_dbg(info->device, "  * programming CLKVAL = 0x%08lx\n", value);
-        if (value <= 0) {
                dev_notice(info->device, "Bypassing pixel clock divider\n");
                lcdc_writel(sinfo, ATMEL_LCDC_LCDCON1, ATMEL_LCDC_BYPASS);
        } else {
-                lcdc_writel(sinfo, ATMEL_LCDC_LCDCON1, value << ATMEL_LCDC_CLKVAL_OFFSET);
+                value = (value / 2) - 1;
+                dev_dbg(info->device, "  * programming CLKVAL = 0x%08lx\n",
+                                value);
+                lcdc_writel(sinfo, ATMEL_LCDC_LCDCON1,
+                                value << ATMEL_LCDC_CLKVAL_OFFSET);
                info->var.pixclock = KHZ2PICOS(clk_value_khz / (2 * (value + 1)));
                dev_dbg(info->device, "  updated pixclk:     %lu KHz\n",
                                        PICOS2KHZ(info->var.pixclock));
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index ad31983b43eb..5fa8b76673cb 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -1853,6 +1853,8 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir,
        struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
        struct display *p = &fb_display[vc->vc_num];
        int scroll_partial = info->flags & FBINFO_PARTIAL_PAN_OK;
+        unsigned short saved_ec;
+        int ret;
        if (fbcon_is_inactive(vc, info))
                return -EINVAL;
@@ -1865,6 +1867,11 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir,
         *           whole screen (prevents flicker).
         */
+        saved_ec = vc->vc_video_erase_char;
+        vc->vc_video_erase_char = vc->vc_scrl_erase_char;
+        ret = 0;
        switch (dir) {
        case SM_UP:
                if (count > vc->vc_rows)        /* Maximum realistic size */
@@ -1883,7 +1890,7 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir,
                                                        (b - count)),
                                    vc->vc_scrl_erase_char,
                                    vc->vc_size_row * count);
-                        return 1;
+                        ret = 1;
                        break;
                case SCROLL_WRAP_MOVE:
@@ -1955,7 +1962,8 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir,
                                                        (b - count)),
                                    vc->vc_scrl_erase_char,
                                    vc->vc_size_row * count);
-                        return 1;
+                        ret = 1;
+                        break;
                }
                break;
@@ -1974,7 +1982,7 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir,
                                                        t),
                                    vc->vc_scrl_erase_char,
                                    vc->vc_size_row * count);
-                        return 1;
+                        ret = 1;
                        break;
                case SCROLL_WRAP_MOVE:
@@ -2044,10 +2052,13 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir,
                                                        t),
                                    vc->vc_scrl_erase_char,
                                    vc->vc_size_row * count);
-                        return 1;
+                        ret = 1;
+                        break;
                }
+                break;
        }
-        return 0;
+        vc->vc_video_erase_char = saved_ec;
+        return ret;
 }
@@ -2507,6 +2518,9 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, int h,
                        c = vc->vc_video_erase_char;
                        vc->vc_video_erase_char =
                            ((c & 0xfe00) >> 1) | (c & 0xff);
+                        c = vc->vc_def_color;
+                        vc->vc_scrl_erase_char =
+                            ((c & 0xFE00) >> 1) | (c & 0xFF);
                        vc->vc_attr >>= 1;
                }
        } else if (!vc->vc_hi_font_mask && cnt == 512) {
@@ -2537,9 +2551,14 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, int h,
                        if (vc->vc_can_do_color) {
                                vc->vc_video_erase_char =
                                    ((c & 0xff00) << 1) | (c & 0xff);
+                                c = vc->vc_def_color;
+                                vc->vc_scrl_erase_char =
+                                    ((c & 0xFF00) << 1) | (c & 0xFF);
                                vc->vc_attr <<= 1;
-                        } else
+                        } else {
                                vc->vc_video_erase_char = c & ~0x100;
+                                vc->vc_scrl_erase_char = c & ~0x100;
+                        }
                }
        }
diff --git a/drivers/video/geode/lxfb_ops.c b/drivers/video/geode/lxfb_ops.c
index cd9d4cc26954..aaef9165ec9b 100644
--- a/drivers/video/geode/lxfb_ops.c
+++ b/drivers/video/geode/lxfb_ops.c
@@ -63,54 +63,32 @@ static const struct {
  { 0x00014284,  19688 },
  { 0x00011104,  20400 },
  { 0x00016363,  23625 },
-  { 0x00015303,  24380 },
  { 0x000031AC,  24923 },
  { 0x0000215D,  25175 },
  { 0x00001087,  27000 },
  { 0x0000216C,  28322 },
  { 0x0000218D,  28560 },
-  { 0x00010041,  29913 },
  { 0x000010C9,  31200 },
  { 0x00003147,  31500 },
-  { 0x000141A1,  32400 },
  { 0x000010A7,  33032 },
-  { 0x00012182,  33375 },
-  { 0x000141B1,  33750 },
  { 0x00002159,  35112 },
  { 0x00004249,  35500 },
  { 0x00000057,  36000 },
-  { 0x000141E1,  37125 },
  { 0x0000219A,  37889 },
  { 0x00002158,  39168 },
  { 0x00000045,  40000 },
-  { 0x000131A1,  40500 },
-  { 0x00010061,  42301 },
  { 0x00000089,  43163 },
-  { 0x00012151,  43875 },
  { 0x000010E7,  44900 },
  { 0x00002136,  45720 },
-  { 0x000152E1,  47250 },
-  { 0x00010071,  48000 },
  { 0x00003207,  49500 },
  { 0x00002187,  50000 },
-  { 0x00014291,  50625 },
-  { 0x00011101,  51188 },
-  { 0x00017481,  54563 },
  { 0x00004286,  56250 },
-  { 0x00014170,  57375 },
-  { 0x00016210,  58500 },
  { 0x000010E5,  60065 },
-  { 0x00013140,  62796 },
  { 0x00004214,  65000 },
-  { 0x00016250,  65250 },
  { 0x00001105,  68179 },
-  { 0x000141C0,  69600 },
-  { 0x00015220,  70160 },
-  { 0x00010050,  72000 },
  { 0x000031E4,  74250 },
  { 0x00003183,  75000 },
  { 0x00004284,  78750 },
-  { 0x00012130,  80052 },
  { 0x00001104,  81600 },
  { 0x00006363,  94500 },
  { 0x00005303,  97520 },
diff --git a/drivers/video/logo/Kconfig b/drivers/video/logo/Kconfig
index 9de1c114f809..39ac49e0682c 100644
--- a/drivers/video/logo/Kconfig
+++ b/drivers/video/logo/Kconfig
@@ -27,6 +27,16 @@ config LOGO_LINUX_CLUT224
        bool "Standard 224-color Linux logo"
        default y
+config LOGO_BLACKFIN_VGA16
+        bool "16-colour Blackfin Processor Linux logo"
+        depends on BLACKFIN
+        default y
+config LOGO_BLACKFIN_CLUT224
+        bool "224-colour Blackfin Processor Linux logo"
+        depends on BLACKFIN
+        default y
 config LOGO_DEC_CLUT224
        bool "224-color Digital Equipment Corporation Linux logo"
        depends on MACH_DECSTATION || ALPHA
diff --git a/drivers/video/logo/Makefile b/drivers/video/logo/Makefile
index a5fc4edf84e6..b91251d1fe41 100644
--- a/drivers/video/logo/Makefile
+++ b/drivers/video/logo/Makefile
@@ -4,6 +4,8 @@ obj-$(CONFIG_LOGO)			+= logo.o
 obj-$(CONFIG_LOGO_LINUX_MONO)           += logo_linux_mono.o
 obj-$(CONFIG_LOGO_LINUX_VGA16)          += logo_linux_vga16.o
 obj-$(CONFIG_LOGO_LINUX_CLUT224)        += logo_linux_clut224.o
+obj-$(CONFIG_LOGO_BLACKFIN_CLUT224)     += logo_blackfin_clut224.o
+obj-$(CONFIG_LOGO_BLACKFIN_VGA16)       += logo_blackfin_vga16.o
 obj-$(CONFIG_LOGO_DEC_CLUT224)          += logo_dec_clut224.o
 obj-$(CONFIG_LOGO_MAC_CLUT224)          += logo_mac_clut224.o
 obj-$(CONFIG_LOGO_PARISC_CLUT224)       += logo_parisc_clut224.o
diff --git a/drivers/video/logo/logo.c b/drivers/video/logo/logo.c
index fc72684aae5a..2e85a2b52d05 100644
--- a/drivers/video/logo/logo.c
+++ b/drivers/video/logo/logo.c
@@ -24,6 +24,8 @@
 extern const struct linux_logo logo_linux_mono;
 extern const struct linux_logo logo_linux_vga16;
 extern const struct linux_logo logo_linux_clut224;
+extern const struct linux_logo logo_blackfin_vga16;
+extern const struct linux_logo logo_blackfin_clut224;
 extern const struct linux_logo logo_dec_clut224;
 extern const struct linux_logo logo_mac_clut224;
 extern const struct linux_logo logo_parisc_clut224;
@@ -65,6 +67,10 @@ const struct linux_logo * __init_refok fb_find_logo(int depth)
                /* Generic Linux logo */
                logo = &logo_linux_vga16;
 #endif
+#ifdef CONFIG_LOGO_BLACKFIN_VGA16
+                /* Blackfin processor logo */
+                logo = &logo_blackfin_vga16;
+#endif
 #ifdef CONFIG_LOGO_SUPERH_VGA16
                /* SuperH Linux logo */
                logo = &logo_superh_vga16;
@@ -76,6 +82,10 @@ const struct linux_logo * __init_refok fb_find_logo(int depth)
                /* Generic Linux logo */
                logo = &logo_linux_clut224;
 #endif
+#ifdef CONFIG_LOGO_BLACKFIN_CLUT224
+                /* Blackfin Linux logo */
+                logo = &logo_blackfin_clut224;
+#endif
 #ifdef CONFIG_LOGO_DEC_CLUT224
                /* DEC Linux logo on MIPS/MIPS64 or ALPHA */
                logo = &logo_dec_clut224;
diff --git a/drivers/video/logo/logo_blackfin_clut224.ppm b/drivers/video/logo/logo_blackfin_clut224.ppm
new file mode 100644
index 000000000000..dc9a50a14477
--- /dev/null
+++ b/drivers/video/logo/logo_blackfin_clut224.ppm
@@ -0,0 +1,1127 @@
+P3
+# This was generated by the GIMP & Netpbm tools
+# gimp linux_bf.svg (create 80x80 save as linux_bf.ppm)
+# pnmquant 224 linux_bf.ppm | pnmnoraw > logo_blackfin_clut224.ppm
+#
+80 80
+255
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diff --git a/drivers/video/logo/logo_blackfin_vga16.ppm b/drivers/video/logo/logo_blackfin_vga16.ppm
new file mode 100644
index 000000000000..1352b02a9d93
--- /dev/null
+++ b/drivers/video/logo/logo_blackfin_vga16.ppm
@@ -0,0 +1,1127 @@
+P3
+# This was generated by the GIMP & Netpbm tools
+# gimp linux_bf.svg (create 80x80 save as linux_bf.ppm)
+# ppmquant -mapfile clut_vga16.ppm linux_bf.ppm | pnmnoraw > logo_blackfin_vga16.ppm
+#
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+0 0 0  0 0 0  0 0 0  170 170 170  255 255 255  170 170 170
+0 0 0  0 0 0  255 255 255  170 170 170  0 0 0  0 0 0
+170 170 170  255 255 255  170 170 170  170 170 170  170 170 170  170 170 170
+0 0 0  85 85 85  85 85 85  0 0 0  0 0 0  0 0 0
+85 85 85  255 255 255  255 255 255  170 170 170  0 0 0  0 0 0
+0 0 0  170 170 170  255 255 255  170 170 170  0 0 0  0 0 0
+85 85 85  255 255 255  255 255 85  255 255 255  255 255 255  85 85 85
+0 0 0  0 0 0  0 0 0  0 0 0  85 85 85  170 170 170
+85 85 85  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0
+0 0 0  85 85 85  170 170 170  170 170 170  170 170 170  170 170 170
+170 170 170  170 170 170  255 255 85  255 255 85  255 255 85  170 170 170
+170 170 170  170 170 170  170 170 170  170 170 170  170 170 170  170 170 170
+255 255 85  170 170 170  170 170 170  170 170 170  255 255 85  255 255 85
+170 170 170  170 170 170  170 170 170  255 255 85  255 255 85  170 170 170
+170 170 170  170 170 170  170 170 170  170 170 170  170 170 170  170 170 170
+170 170 170  170 170 170  85 85 85  170 170 170  170 170 170  170 170 170
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  85 85 85  0 0 0  0 0 0  0 0 0  0 0 0
+85 85 85  255 255 255  170 170 170  0 0 0  0 0 0  0 0 0
+0 0 0  255 255 255  255 255 255  255 255 255  85 85 85  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  85 85 85
+170 170 170  85 85 85  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+85 85 85  85 85 85  255 255 85  255 255 85  255 255 85  255 255 85
+255 255 85  255 255 85  255 255 85  255 255 85  255 255 85  255 255 85
+255 255 85  255 255 85  255 255 85  255 255 85  255 255 85  255 255 85
+255 255 85  255 255 85  255 255 85  255 255 85  255 255 85  255 255 85
+255 255 85  255 85 85  85 85 85  0 0 0  0 0 0  0 0 0
+85 85 85  170 170 170  85 85 85  170 170 170  170 170 170  85 85 85
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+85 85 85  170 170 170  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  85 85 85  170 170 170  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+85 85 85  170 170 170  85 85 85  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  85 85 85  85 85 85  170 85 0  170 85 0
+170 85 0  255 85 85  255 85 85  255 85 85  255 255 85  255 255 85
+255 255 85  255 255 85  255 255 85  255 255 85  255 255 85  255 255 85
+255 255 85  255 255 85  255 255 85  255 255 85  255 255 85  255 255 85
+255 85 85  170 85 0  85 85 85  0 0 0  0 0 0  85 85 85
+170 170 170  170 170 170  170 170 170  170 170 170  170 170 170  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  170 170 170  170 170 170  85 85 85  0 0 0  0 0 0
+0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  85 85 85
+85 85 85  85 85 85  170 85 0  170 85 0  170 85 0  170 85 0
+255 85 85  255 85 85  255 255 85  255 255 85  255 255 85  255 255 85
+255 255 85  255 255 85  255 255 85  255 255 85  255 255 85  255 85 85
+170 85 0  170 85 0  0 0 0  85 85 85  85 85 85  170 170 170
+170 170 170  0 0 0  170 170 170  255 255 255  170 170 170  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  170 170 170  170 170 170  0 0 0  0 0 0
+0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  85 85 85  85 85 85
+170 85 0  170 85 0  170 85 0  255 85 85  255 85 85  255 255 85
+255 255 85  255 255 85  255 255 85  255 255 85  255 85 85  170 85 0
+170 85 0  85 85 85  85 85 85  85 85 85  170 170 170  170 170 170
+0 0 0  0 0 0  255 255 255  255 255 255  85 85 85  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  170 170 170  85 85 85  0 0 0
+0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  85 85 85  85 85 85  170 85 0  170 85 0  170 85 0
+170 85 0  255 85 85  255 85 85  255 85 85  170 85 0  170 85 0
+85 85 85  0 0 0  0 0 0  85 85 85  170 170 170  0 0 0
+0 0 0  85 85 85  255 255 255  170 170 170  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  170 170 170  85 85 85
+0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  85 85 85  85 85 85
+170 85 0  170 85 0  170 85 0  170 85 0  170 85 0  85 85 85
+0 0 0  0 0 0  0 0 0  85 85 85  170 170 170  0 0 0
+0 0 0  85 85 85  255 255 255  170 170 170  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  85 85 85  170 170 170
+85 85 85  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  85 85 85  85 85 85  85 85 85  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  85 85 85  85 85 85  170 170 170
+170 170 170  170 170 170  170 170 170  170 170 170  170 170 170  170 170 170
+170 170 170  170 170 170  170 170 170  170 170 170  170 170 170  170 170 170
+170 170 170  170 170 170  170 170 170  170 170 170  170 170 170  170 170 170
+170 170 170  170 170 170  170 170 170  170 170 170  170 170 170  170 170 170
+170 170 170  170 170 170  170 170 170  170 170 170  170 170 170  170 170 170
+170 170 170  170 170 170  170 170 170  170 170 170  170 170 170  170 170 170
+170 170 170  170 170 170  170 170 170  170 170 170  170 170 170  85 85 85
+85 85 85  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0  0 0 0  0 0 0  0 0 0  0 0 0
+0 0 0  0 0 0
diff --git a/drivers/video/pnx4008/pnxrgbfb.c b/drivers/video/pnx4008/pnxrgbfb.c
index 685761a0732c..4db6b48a8715 100644
--- a/drivers/video/pnx4008/pnxrgbfb.c
+++ b/drivers/video/pnx4008/pnxrgbfb.c
@@ -100,7 +100,6 @@ static int rgbfb_remove(struct platform_device *pdev)
                fb_dealloc_cmap(&info->cmap);
                framebuffer_release(info);
                platform_set_drvdata(pdev, NULL);
-                kfree(info);
        }
        pnx4008_free_dum_channel(channel_owned, pdev->id);
@@ -168,23 +167,21 @@ static int __devinit rgbfb_probe(struct platform_device *pdev)
        ret = fb_alloc_cmap(&info->cmap, 256, 0);
        if (ret < 0)
-                goto err2;
+                goto err1;
        ret = register_framebuffer(info);
        if (ret < 0)
-                goto err3;
+                goto err2;
        platform_set_drvdata(pdev, info);
        return 0;
-err3:
-        fb_dealloc_cmap(&info->cmap);
 err2:
-        framebuffer_release(info);
+        fb_dealloc_cmap(&info->cmap);
 err1:
        pnx4008_free_dum_channel(channel_owned, pdev->id);
 err0:
-        kfree(info);
+        framebuffer_release(info);
 err:
        return ret;
 }
diff --git a/drivers/video/tridentfb.c b/drivers/video/tridentfb.c
index bd54cd0de39a..beefab2992c0 100644
--- a/drivers/video/tridentfb.c
+++ b/drivers/video/tridentfb.c
@@ -27,7 +27,6 @@
 #define VERSION         "0.7.8-NEWAPI"
 struct tridentfb_par {
-        int vclk;               /* in MHz */
        void __iomem *io_virt;  /* iospace virtual memory address */
 };
@@ -669,27 +668,26 @@ static void set_screen_start(int base)
                 (read3X4(CRTHiOrd) & 0xF8) | ((base & 0xE0000) >> 17));
 }
-/* Use 20.12 fixed-point for NTSC value and frequency calculation */
-#define calc_freq(n, m, k)  ( ((unsigned long)0xE517 * (n + 8) / ((m + 2) * (1 << k))) >> 12 )
 /* Set dotclock frequency */
-static void set_vclk(int freq)
+static void set_vclk(unsigned long freq)
 {
        int m, n, k;
-        int f, fi, d, di;
+        unsigned long f, fi, d, di;
        unsigned char lo = 0, hi = 0;
-        d = 20;
+        d = 20000;
        for (k = 2; k >= 0; k--)
                for (m = 0; m < 63; m++)
                        for (n = 0; n < 128; n++) {
-                                fi = calc_freq(n, m, k);
+                                fi = ((14318l * (n + 8)) / (m + 2)) >> k;
                                if ((di = abs(fi - freq)) < d) {
                                        d = di;
                                        f = fi;
                                        lo = n;
                                        hi = (k << 6) | m;
                                }
+                                if (fi > freq)
+                                        break;
                        }
        if (chip3D) {
                write3C4(ClockHigh, hi);
@@ -888,6 +886,8 @@ static int tridentfb_set_par(struct fb_info *info)
        struct fb_var_screeninfo *var = &info->var;
        int bpp = var->bits_per_pixel;
        unsigned char tmp;
+        unsigned long vclk;
        debug("enter\n");
        hdispend = var->xres / 8 - 1;
        hsyncstart = (var->xres + var->right_margin) / 8;
@@ -905,7 +905,6 @@ static int tridentfb_set_par(struct fb_info *info)
        vblankstart = var->yres;
        vblankend = vtotal + 2;
-        enable_mmio();
        crtc_unlock();
        write3CE(CyberControl, 8);
@@ -1015,11 +1014,11 @@ static int tridentfb_set_par(struct fb_info *info)
        write3X4(Performance, 0x92);
        write3X4(PCIReg, 0x07);         /* MMIO & PCI read and write burst enable */
-        /* convert from picoseconds to MHz */
+        /* convert from picoseconds to kHz */
-        par->vclk = 1000000 / info->var.pixclock;
+        vclk = PICOS2KHZ(info->var.pixclock);
        if (bpp == 32)
-                par->vclk *= 2;
+                vclk *= 2;
-        set_vclk(par->vclk);
+        set_vclk(vclk);
        write3C4(0, 3);
        write3C4(1, 1);         /* set char clock 8 dots wide */
diff --git a/fs/9p/fid.h b/fs/9p/fid.h
index 26e07df783b9..c3bbd6af996d 100644
--- a/fs/9p/fid.h
+++ b/fs/9p/fid.h
@@ -22,6 +22,21 @@
 #include <linux/list.h>
+/**
+ * struct v9fs_dentry - 9p private data stored in dentry d_fsdata
+ * @lock: protects the fidlist
+ * @fidlist: list of FIDs currently associated with this dentry
+ *
+ * This structure defines the 9p private data associated with
+ * a particular dentry.  In particular, this private data is used
+ * to lookup which 9P FID handle should be used for a particular VFS
+ * operation.  FID handles are associated with dentries instead of
+ * inodes in order to more closely map functionality to the Plan 9
+ * expected behavior for FID reclaimation and tracking.
+ *
+ * See Also: Mapping FIDs to Linux VFS model in
+ * Design and Implementation of the Linux 9P File System documentation
+ */
 struct v9fs_dentry {
        spinlock_t lock; /* protect fidlist */
        struct list_head fidlist;
diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index 9b0f0222e8bb..047c791427aa 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -71,19 +71,19 @@ static match_table_t tokens = {
 /**
 * v9fs_parse_options - parse mount options into session structure
- * @options: options string passed from mount
 * @v9ses: existing v9fs session information
 *
+ * Return 0 upon success, -ERRNO upon failure.
 */
-static void v9fs_parse_options(struct v9fs_session_info *v9ses)
+static int v9fs_parse_options(struct v9fs_session_info *v9ses)
 {
        char *options;
        substring_t args[MAX_OPT_ARGS];
        char *p;
        int option = 0;
        char *s, *e;
-        int ret;
+        int ret = 0;
        /* setup defaults */
        v9ses->afid = ~0;
@@ -91,19 +91,26 @@ static void v9fs_parse_options(struct v9fs_session_info *v9ses)
        v9ses->cache = 0;
        if (!v9ses->options)
-                return;
+                return 0;
        options = kstrdup(v9ses->options, GFP_KERNEL);
+        if (!options) {
+                P9_DPRINTK(P9_DEBUG_ERROR,
+                           "failed to allocate copy of option string\n");
+                return -ENOMEM;
+        }
        while ((p = strsep(&options, ",")) != NULL) {
                int token;
                if (!*p)
                        continue;
                token = match_token(p, tokens, args);
                if (token < Opt_uname) {
-                        ret = match_int(&args[0], &option);
+                        int r = match_int(&args[0], &option);
-                        if (ret < 0) {
+                        if (r < 0) {
                                P9_DPRINTK(P9_DEBUG_ERROR,
                                        "integer field, but no integer?\n");
+                                ret = r;
                                continue;
                        }
                }
@@ -125,10 +132,10 @@ static void v9fs_parse_options(struct v9fs_session_info *v9ses)
                        v9ses->afid = option;
                        break;
                case Opt_uname:
-                        match_strcpy(v9ses->uname, &args[0]);
+                        match_strlcpy(v9ses->uname, &args[0], PATH_MAX);
                        break;
                case Opt_remotename:
-                        match_strcpy(v9ses->aname, &args[0]);
+                        match_strlcpy(v9ses->aname, &args[0], PATH_MAX);
                        break;
                case Opt_nodevmap:
                        v9ses->nodev = 1;
@@ -139,6 +146,13 @@ static void v9fs_parse_options(struct v9fs_session_info *v9ses)
                case Opt_access:
                        s = match_strdup(&args[0]);
+                        if (!s) {
+                                P9_DPRINTK(P9_DEBUG_ERROR,
+                                           "failed to allocate copy"
+                                           " of option argument\n");
+                                ret = -ENOMEM;
+                                break;
+                        }
                        v9ses->flags &= ~V9FS_ACCESS_MASK;
                        if (strcmp(s, "user") == 0)
                                v9ses->flags |= V9FS_ACCESS_USER;
@@ -158,6 +172,7 @@ static void v9fs_parse_options(struct v9fs_session_info *v9ses)
                }
        }
        kfree(options);
+        return ret;
 }
 /**
@@ -173,6 +188,7 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses,
 {
        int retval = -EINVAL;
        struct p9_fid *fid;
+        int rc;
        v9ses->uname = __getname();
        if (!v9ses->uname)
@@ -190,8 +206,21 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses,
        v9ses->uid = ~0;
        v9ses->dfltuid = V9FS_DEFUID;
        v9ses->dfltgid = V9FS_DEFGID;
-        v9ses->options = kstrdup(data, GFP_KERNEL);
+        if (data) {
-        v9fs_parse_options(v9ses);
+                v9ses->options = kstrdup(data, GFP_KERNEL);
+                if (!v9ses->options) {
+                        P9_DPRINTK(P9_DEBUG_ERROR,
+                           "failed to allocate copy of option string\n");
+                        retval = -ENOMEM;
+                        goto error;
+                }
+        }
+        rc = v9fs_parse_options(v9ses);
+        if (rc < 0) {
+                retval = rc;
+                goto error;
+        }
        v9ses->clnt = p9_client_create(dev_name, v9ses->options);
@@ -233,7 +262,6 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses,
        return fid;
 error:
-        v9fs_session_close(v9ses);
        return ERR_PTR(retval);
 }
@@ -256,9 +284,12 @@ void v9fs_session_close(struct v9fs_session_info *v9ses)
 }
 /**
- * v9fs_session_cancel - mark transport as disconnected
+ * v9fs_session_cancel - terminate a session
- *      and cancel all pending requests.
+ * @v9ses: session to terminate
+ *
+ * mark transport as disconnected and cancel all pending requests.
 */
 void v9fs_session_cancel(struct v9fs_session_info *v9ses) {
        P9_DPRINTK(P9_DEBUG_ERROR, "cancel session %p\n", v9ses);
        p9_client_disconnect(v9ses->clnt);
diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h
index 7d3a1018db52..a7d567192998 100644
--- a/fs/9p/v9fs.h
+++ b/fs/9p/v9fs.h
@@ -21,18 +21,69 @@
 *
 */
-/*
+/**
-  * Session structure provides information for an opened session
+ * enum p9_session_flags - option flags for each 9P session
-  *
+ * @V9FS_EXTENDED: whether or not to use 9P2000.u extensions
-  */
+ * @V9FS_ACCESS_SINGLE: only the mounting user can access the hierarchy
+ * @V9FS_ACCESS_USER: a new attach will be issued for every user (default)
+ * @V9FS_ACCESS_ANY: use a single attach for all users
+ * @V9FS_ACCESS_MASK: bit mask of different ACCESS options
+ *
+ * Session flags reflect options selected by users at mount time
+ */
+enum p9_session_flags {
+        V9FS_EXTENDED           = 0x01,
+        V9FS_ACCESS_SINGLE      = 0x02,
+        V9FS_ACCESS_USER        = 0x04,
+        V9FS_ACCESS_ANY         = 0x06,
+        V9FS_ACCESS_MASK        = 0x06,
+};
+/* possible values of ->cache */
+/**
+ * enum p9_cache_modes - user specified cache preferences
+ * @CACHE_NONE: do not cache data, dentries, or directory contents (default)
+ * @CACHE_LOOSE: cache data, dentries, and directory contents w/no consistency
+ *
+ * eventually support loose, tight, time, session, default always none
+ */
+enum p9_cache_modes {
+        CACHE_NONE,
+        CACHE_LOOSE,
+};
+/**
+ * struct v9fs_session_info - per-instance session information
+ * @flags: session options of type &p9_session_flags
+ * @nodev: set to 1 to disable device mapping
+ * @debug: debug level
+ * @afid: authentication handle
+ * @cache: cache mode of type &p9_cache_modes
+ * @options: copy of options string given by user
+ * @uname: string user name to mount hierarchy as
+ * @aname: mount specifier for remote hierarchy
+ * @maxdata: maximum data to be sent/recvd per protocol message
+ * @dfltuid: default numeric userid to mount hierarchy as
+ * @dfltgid: default numeric groupid to mount hierarchy as
+ * @uid: if %V9FS_ACCESS_SINGLE, the numeric uid which mounted the hierarchy
+ * @clnt: reference to 9P network client instantiated for this session
+ * @debugfs_dir: reference to debugfs_dir which can be used for add'l debug
+ *
+ * This structure holds state for each session instance established during
+ * a sys_mount() .
+ *
+ * Bugs: there seems to be a lot of state which could be condensed and/or
+ * removed.
+ */
 struct v9fs_session_info {
        /* options */
-        unsigned char flags;    /* session flags */
+        unsigned char flags;
-        unsigned char nodev;    /* set to 1 if no disable device mapping */
+        unsigned char nodev;
-        unsigned short debug;   /* debug level */
+        unsigned short debug;
-        unsigned int afid;      /* authentication fid */
+        unsigned int afid;
-        unsigned int cache;     /* cache mode */
+        unsigned int cache;
        char *options;          /* copy of mount options */
        char *uname;            /* user name to mount as */
@@ -45,22 +96,6 @@ struct v9fs_session_info {
        struct dentry *debugfs_dir;
 };
-/* session flags */
-enum {
-        V9FS_EXTENDED           = 0x01, /* 9P2000.u */
-        V9FS_ACCESS_MASK        = 0x06, /* access mask */
-        V9FS_ACCESS_SINGLE      = 0x02, /* only one user can access the files */
-        V9FS_ACCESS_USER        = 0x04, /* attache per user */
-        V9FS_ACCESS_ANY         = 0x06, /* use the same attach for all users */
-};
-/* possible values of ->cache */
-/* eventually support loose, tight, time, session, default always none */
-enum {
-        CACHE_NONE,             /* default */
-        CACHE_LOOSE,            /* no consistency */
-};
 extern struct dentry *v9fs_debugfs_root;
 struct p9_fid *v9fs_session_init(struct v9fs_session_info *, const char *,
diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c
index 6248f0e727a3..97d3aed57983 100644
--- a/fs/9p/vfs_addr.c
+++ b/fs/9p/vfs_addr.c
@@ -43,7 +43,7 @@
 /**
 * v9fs_vfs_readpage - read an entire page in from 9P
 *
- * @file: file being read
+ * @filp: file being read
 * @page: structure to page
 *
 */
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index 0924d4477da3..88e3787c6ea9 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -60,7 +60,7 @@ static inline int dt_type(struct p9_stat *mistat)
 /**
 * v9fs_dir_readdir - read a directory
- * @filep: opened file structure
+ * @filp: opened file structure
 * @dirent: directory structure ???
 * @filldir: function to populate directory structure ???
 *
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index a616fff8906d..0d55affe37d4 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -90,10 +90,11 @@ int v9fs_file_open(struct inode *inode, struct file *file)
 /**
 * v9fs_file_lock - lock a file (or directory)
- * @inode: inode to be opened
+ * @filp: file to be locked
- * @file: file being opened
+ * @cmd: lock command
+ * @fl: file lock structure
 *
- * XXX - this looks like a local only lock, we should extend into 9P
+ * Bugs: this looks like a local only lock, we should extend into 9P
 *       by using open exclusive
 */
@@ -118,7 +119,7 @@ static int v9fs_file_lock(struct file *filp, int cmd, struct file_lock *fl)
 /**
 * v9fs_file_read - read from a file
- * @filep: file pointer to read
+ * @filp: file pointer to read
 * @data: data buffer to read data into
 * @count: size of buffer
 * @offset: offset at which to read data
@@ -142,7 +143,7 @@ v9fs_file_read(struct file *filp, char __user * data, size_t count,
 /**
 * v9fs_file_write - write to a file
- * @filep: file pointer to write
+ * @filp: file pointer to write
 * @data: data buffer to write data from
 * @count: size of buffer
 * @offset: offset at which to write data
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 6a28842052ea..40fa807bd929 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -129,6 +129,12 @@ static int p9mode2unixmode(struct v9fs_session_info *v9ses, int mode)
        return res;
 }
+/**
+ * v9fs_uflags2omode- convert posix open flags to plan 9 mode bits
+ * @uflags: flags to convert
+ *
+ */
 int v9fs_uflags2omode(int uflags)
 {
        int ret;
@@ -312,6 +318,14 @@ error:
 }
 */
+/**
+ * v9fs_inode_from_fid - populate an inode by issuing a attribute request
+ * @v9ses: session information
+ * @fid: fid to issue attribute request for
+ * @sb: superblock on which to create inode
+ *
+ */
 static struct inode *
 v9fs_inode_from_fid(struct v9fs_session_info *v9ses, struct p9_fid *fid,
        struct super_block *sb)
@@ -384,9 +398,12 @@ v9fs_open_created(struct inode *inode, struct file *file)
 /**
 * v9fs_create - Create a file
+ * @v9ses: session information
+ * @dir: directory that dentry is being created in
 * @dentry:  dentry that is being created
 * @perm: create permissions
 * @mode: open mode
+ * @extension: 9p2000.u extension string to support devices, etc.
 *
 */
 static struct p9_fid *
@@ -461,7 +478,7 @@ error:
 /**
 * v9fs_vfs_create - VFS hook to create files
- * @inode: directory inode that is being created
+ * @dir: directory inode that is being created
 * @dentry:  dentry that is being deleted
 * @mode: create permissions
 * @nd: path information
@@ -519,7 +536,7 @@ error:
 /**
 * v9fs_vfs_mkdir - VFS mkdir hook to create a directory
- * @inode:  inode that is being unlinked
+ * @dir:  inode that is being unlinked
 * @dentry: dentry that is being unlinked
 * @mode: mode for new directory
 *
@@ -703,9 +720,9 @@ done:
 /**
 * v9fs_vfs_getattr - retrieve file metadata
- * @mnt - mount information
+ * @mnt: mount information
- * @dentry - file to get attributes on
+ * @dentry: file to get attributes on
- * @stat - metadata structure to populate
+ * @stat: metadata structure to populate
 *
 */
@@ -928,7 +945,7 @@ done:
 /**
 * v9fs_vfs_readlink - read a symlink's location
 * @dentry: dentry for symlink
- * @buf: buffer to load symlink location into
+ * @buffer: buffer to load symlink location into
 * @buflen: length of buffer
 *
 */
@@ -996,10 +1013,12 @@ static void *v9fs_vfs_follow_link(struct dentry *dentry, struct nameidata *nd)
 * v9fs_vfs_put_link - release a symlink path
 * @dentry: dentry for symlink
 * @nd: nameidata
+ * @p: unused
 *
 */
-static void v9fs_vfs_put_link(struct dentry *dentry, struct nameidata *nd, void *p)
+static void
+v9fs_vfs_put_link(struct dentry *dentry, struct nameidata *nd, void *p)
 {
        char *s = nd_get_link(nd);
@@ -1008,6 +1027,15 @@ static void v9fs_vfs_put_link(struct dentry *dentry, struct nameidata *nd, void
                __putname(s);
 }
+/**
+ * v9fs_vfs_mkspecial - create a special file
+ * @dir: inode to create special file in
+ * @dentry: dentry to create
+ * @mode: mode to create special file
+ * @extension: 9p2000.u format extension string representing special file
+ *
+ */
 static int v9fs_vfs_mkspecial(struct inode *dir, struct dentry *dentry,
        int mode, const char *extension)
 {
@@ -1037,7 +1065,7 @@ static int v9fs_vfs_mkspecial(struct inode *dir, struct dentry *dentry,
 * @dentry: dentry for symlink
 * @symname: symlink data
 *
- * See 9P2000.u RFC for more information
+ * See Also: 9P2000.u RFC for more information
 *
 */
@@ -1058,10 +1086,6 @@ v9fs_vfs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
 *
 */
-/* XXX - lots of code dup'd from symlink and creates,
- * figure out a better reuse strategy
- */
 static int
 v9fs_vfs_link(struct dentry *old_dentry, struct inode *dir,
              struct dentry *dentry)
@@ -1098,7 +1122,7 @@ clunk_fid:
 * @dir: inode destination for new link
 * @dentry: dentry for file
 * @mode: mode for creation
- * @dev_t: device associated with special file
+ * @rdev: device associated with special file
 *
 */
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index a452ac67fc94..bf59c3960494 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -75,6 +75,7 @@ static int v9fs_set_super(struct super_block *s, void *data)
 * v9fs_fill_super - populate superblock with info
 * @sb: superblock
 * @v9ses: session information
+ * @flags: flags propagated from v9fs_get_sb()
 *
 */
@@ -127,29 +128,26 @@ static int v9fs_get_sb(struct file_system_type *fs_type, int flags,
        fid = v9fs_session_init(v9ses, dev_name, data);
        if (IS_ERR(fid)) {
                retval = PTR_ERR(fid);
-                fid = NULL;
+                goto close_session;
-                kfree(v9ses);
-                v9ses = NULL;
-                goto error;
        }
        st = p9_client_stat(fid);
        if (IS_ERR(st)) {
                retval = PTR_ERR(st);
-                goto error;
+                goto clunk_fid;
        }
        sb = sget(fs_type, NULL, v9fs_set_super, v9ses);
        if (IS_ERR(sb)) {
                retval = PTR_ERR(sb);
-                goto error;
+                goto free_stat;
        }
        v9fs_fill_super(sb, v9ses, flags);
        inode = v9fs_get_inode(sb, S_IFDIR | mode);
        if (IS_ERR(inode)) {
                retval = PTR_ERR(inode);
-                goto error;
+                goto release_sb;
        }
        inode->i_uid = uid;
@@ -158,7 +156,7 @@ static int v9fs_get_sb(struct file_system_type *fs_type, int flags,
        root = d_alloc_root(inode);
        if (!root) {
                retval = -ENOMEM;
-                goto error;
+                goto release_sb;
        }
        sb->s_root = root;
@@ -169,21 +167,22 @@ static int v9fs_get_sb(struct file_system_type *fs_type, int flags,
        return simple_set_mnt(mnt, sb);
-error:
+release_sb:
-        kfree(st);
-        if (fid)
-                p9_client_clunk(fid);
-        if (v9ses) {
-                v9fs_session_close(v9ses);
-                kfree(v9ses);
-        }
        if (sb) {
                up_write(&sb->s_umount);
                deactivate_super(sb);
        }
+free_stat:
+        kfree(st);
+clunk_fid:
+        p9_client_clunk(fid);
+close_session:
+        v9fs_session_close(v9ses);
+        kfree(v9ses);
        return retval;
 }
diff --git a/fs/dquot.c b/fs/dquot.c
index dfba1623cccb..5ac77da19959 100644
--- a/fs/dquot.c
+++ b/fs/dquot.c
@@ -1491,6 +1491,16 @@ int vfs_quota_off(struct super_block *sb, int type, int remount)
        /* We need to serialize quota_off() for device */
        mutex_lock(&dqopt->dqonoff_mutex);
+        /*
+         * Skip everything if there's nothing to do. We have to do this because
+         * sometimes we are called when fill_super() failed and calling
+         * sync_fs() in such cases does no good.
+         */
+        if (!sb_any_quota_enabled(sb) && !sb_any_quota_suspended(sb)) {
+                mutex_unlock(&dqopt->dqonoff_mutex);
+                return 0;
+        }
        for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
                toputinode[cnt] = NULL;
                if (type != -1 && cnt != type)
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 0a1397335a8e..c92cc1c00aae 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -37,17 +37,11 @@ static struct dentry *lock_parent(struct dentry *dentry)
 {
        struct dentry *dir;
-        dir = dget(dentry->d_parent);
+        dir = dget_parent(dentry);
        mutex_lock_nested(&(dir->d_inode->i_mutex), I_MUTEX_PARENT);
        return dir;
 }
-static void unlock_parent(struct dentry *dentry)
-{
-        mutex_unlock(&(dentry->d_parent->d_inode->i_mutex));
-        dput(dentry->d_parent);
-}
 static void unlock_dir(struct dentry *dir)
 {
        mutex_unlock(&dir->d_inode->i_mutex);
@@ -426,8 +420,9 @@ static int ecryptfs_unlink(struct inode *dir, struct dentry *dentry)
        int rc = 0;
        struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);
        struct inode *lower_dir_inode = ecryptfs_inode_to_lower(dir);
+        struct dentry *lower_dir_dentry;
-        lock_parent(lower_dentry);
+        lower_dir_dentry = lock_parent(lower_dentry);
        rc = vfs_unlink(lower_dir_inode, lower_dentry);
        if (rc) {
                printk(KERN_ERR "Error in vfs_unlink; rc = [%d]\n", rc);
@@ -439,7 +434,7 @@ static int ecryptfs_unlink(struct inode *dir, struct dentry *dentry)
        dentry->d_inode->i_ctime = dir->i_ctime;
        d_drop(dentry);
 out_unlock:
-        unlock_parent(lower_dentry);
+        unlock_dir(lower_dir_dentry);
        return rc;
 }
diff --git a/fs/ecryptfs/miscdev.c b/fs/ecryptfs/miscdev.c
index 788995efd1d3..6560da1a58ce 100644
--- a/fs/ecryptfs/miscdev.c
+++ b/fs/ecryptfs/miscdev.c
@@ -257,12 +257,14 @@ ecryptfs_miscdev_read(struct file *file, char __user *buf, size_t count,
        mutex_lock(&daemon->mux);
        if (daemon->flags & ECRYPTFS_DAEMON_ZOMBIE) {
                rc = 0;
+                mutex_unlock(&ecryptfs_daemon_hash_mux);
                printk(KERN_WARNING "%s: Attempt to read from zombified "
                       "daemon\n", __func__);
                goto out_unlock_daemon;
        }
        if (daemon->flags & ECRYPTFS_DAEMON_IN_READ) {
                rc = 0;
+                mutex_unlock(&ecryptfs_daemon_hash_mux);
                goto out_unlock_daemon;
        }
        /* This daemon will not go away so long as this flag is set */
diff --git a/fs/exec.c b/fs/exec.c
index aeaa9791d8be..1f8a24aa1f8b 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -736,7 +736,7 @@ static int exec_mmap(struct mm_struct *mm)
        tsk->active_mm = mm;
        activate_mm(active_mm, mm);
        task_unlock(tsk);
-        mm_update_next_owner(mm);
+        mm_update_next_owner(old_mm);
        arch_pick_mmap_layout(mm);
        if (old_mm) {
                up_read(&old_mm->mmap_sem);
diff --git a/fs/ext3/xattr.c b/fs/ext3/xattr.c
index d4a4f0e9ff69..175414ac2210 100644
--- a/fs/ext3/xattr.c
+++ b/fs/ext3/xattr.c
@@ -1000,6 +1000,11 @@ ext3_xattr_set_handle(handle_t *handle, struct inode *inode, int name_index,
                        i.value = NULL;
                        error = ext3_xattr_block_set(handle, inode, &i, &bs);
                } else if (error == -ENOSPC) {
+                        if (EXT3_I(inode)->i_file_acl && !bs.s.base) {
+                                error = ext3_xattr_block_find(inode, &i, &bs);
+                                if (error)
+                                        goto cleanup;
+                        }
                        error = ext3_xattr_block_set(handle, inode, &i, &bs);
                        if (error)
                                goto cleanup;
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index da994374ec3b..30494c5da843 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -287,11 +287,11 @@ read_block_bitmap(struct super_block *sb, ext4_group_t block_group)
                            (int)block_group, (unsigned long long)bitmap_blk);
                return NULL;
        }
-        if (!ext4_valid_block_bitmap(sb, desc, block_group, bh)) {
+        ext4_valid_block_bitmap(sb, desc, block_group, bh);
-                put_bh(bh);
+        /*
-                return NULL;
+         * file system mounted not to panic on error,
-        }
+         * continue with corrupt bitmap
+         */
        return bh;
 }
 /*
@@ -1770,7 +1770,12 @@ allocated:
                            "Allocating block in system zone - "
                            "blocks from %llu, length %lu",
                             ret_block, num);
-                goto out;
+                /*
+                 * claim_block marked the blocks we allocated
+                 * as in use. So we may want to selectively
+                 * mark some of the blocks as free
+                 */
+                goto retry_alloc;
        }
        performed_allocation = 1;
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index fbec2ef93797..873ad9b3418c 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2639,8 +2639,7 @@ static int ext4_mb_init_per_dev_proc(struct super_block *sb)
        struct proc_dir_entry *proc;
        char devname[64];
-        snprintf(devname, sizeof(devname) - 1, "%s",
+        bdevname(sb->s_bdev, devname);
-                bdevname(sb->s_bdev, devname));
        sbi->s_mb_proc = proc_mkdir(devname, proc_root_ext4);
        MB_PROC_HANDLER(EXT4_MB_STATS_NAME, stats);
@@ -2674,8 +2673,7 @@ static int ext4_mb_destroy_per_dev_proc(struct super_block *sb)
        if (sbi->s_mb_proc == NULL)
                return -EINVAL;
-        snprintf(devname, sizeof(devname) - 1, "%s",
+        bdevname(sb->s_bdev, devname);
-                bdevname(sb->s_bdev, devname));
        remove_proc_entry(EXT4_MB_GROUP_PREALLOC, sbi->s_mb_proc);
        remove_proc_entry(EXT4_MB_STREAM_REQ, sbi->s_mb_proc);
        remove_proc_entry(EXT4_MB_ORDER2_REQ, sbi->s_mb_proc);
@@ -2738,7 +2736,7 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac,
        struct ext4_sb_info *sbi;
        struct super_block *sb;
        ext4_fsblk_t block;
-        int err;
+        int err, len;
        BUG_ON(ac->ac_status != AC_STATUS_FOUND);
        BUG_ON(ac->ac_b_ex.fe_len <= 0);
@@ -2772,14 +2770,27 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac,
                + ac->ac_b_ex.fe_start
                + le32_to_cpu(es->s_first_data_block);
-        if (block == ext4_block_bitmap(sb, gdp) ||
+        len = ac->ac_b_ex.fe_len;
-                        block == ext4_inode_bitmap(sb, gdp) ||
+        if (in_range(ext4_block_bitmap(sb, gdp), block, len) ||
-                        in_range(block, ext4_inode_table(sb, gdp),
+            in_range(ext4_inode_bitmap(sb, gdp), block, len) ||
-                                EXT4_SB(sb)->s_itb_per_group)) {
+            in_range(block, ext4_inode_table(sb, gdp),
+                     EXT4_SB(sb)->s_itb_per_group) ||
+            in_range(block + len - 1, ext4_inode_table(sb, gdp),
+                     EXT4_SB(sb)->s_itb_per_group)) {
                ext4_error(sb, __func__,
                           "Allocating block in system zone - block = %llu",
                           block);
+                /* File system mounted not to panic on error
+                 * Fix the bitmap and repeat the block allocation
+                 * We leak some of the blocks here.
+                 */
+                mb_set_bits(sb_bgl_lock(sbi, ac->ac_b_ex.fe_group),
+                                bitmap_bh->b_data, ac->ac_b_ex.fe_start,
+                                ac->ac_b_ex.fe_len);
+                err = ext4_journal_dirty_metadata(handle, bitmap_bh);
+                if (!err)
+                        err = -EAGAIN;
+                goto out_err;
        }
 #ifdef AGGRESSIVE_CHECK
        {
@@ -2882,12 +2893,11 @@ ext4_mb_normalize_request(struct ext4_allocation_context *ac,
        if (size < i_size_read(ac->ac_inode))
                size = i_size_read(ac->ac_inode);
-        /* max available blocks in a free group */
+        /* max size of free chunks */
-        max = EXT4_BLOCKS_PER_GROUP(ac->ac_sb) - 1 - 1 -
+        max = 2 << bsbits;
-                                EXT4_SB(ac->ac_sb)->s_itb_per_group;
-#define NRL_CHECK_SIZE(req, size, max,bits)     \
+#define NRL_CHECK_SIZE(req, size, max, chunk_size)      \
-                (req <= (size) || max <= ((size) >> bits))
+                (req <= (size) || max <= (chunk_size))
        /* first, try to predict filesize */
        /* XXX: should this table be tunable? */
@@ -2906,16 +2916,16 @@ ext4_mb_normalize_request(struct ext4_allocation_context *ac,
                size = 512 * 1024;
        } else if (size <= 1024 * 1024) {
                size = 1024 * 1024;
-        } else if (NRL_CHECK_SIZE(size, 4 * 1024 * 1024, max, bsbits)) {
+        } else if (NRL_CHECK_SIZE(size, 4 * 1024 * 1024, max, 2 * 1024)) {
                start_off = ((loff_t)ac->ac_o_ex.fe_logical >>
-                                                (20 - bsbits)) << 20;
+                                                (21 - bsbits)) << 21;
-                size = 1024 * 1024;
+                size = 2 * 1024 * 1024;
-        } else if (NRL_CHECK_SIZE(size, 8 * 1024 * 1024, max, bsbits)) {
+        } else if (NRL_CHECK_SIZE(size, 8 * 1024 * 1024, max, 4 * 1024)) {
                start_off = ((loff_t)ac->ac_o_ex.fe_logical >>
                                                        (22 - bsbits)) << 22;
                size = 4 * 1024 * 1024;
        } else if (NRL_CHECK_SIZE(ac->ac_o_ex.fe_len,
-                                        (8<<20)>>bsbits, max, bsbits)) {
+                                        (8<<20)>>bsbits, max, 8 * 1024)) {
                start_off = ((loff_t)ac->ac_o_ex.fe_logical >>
                                                        (23 - bsbits)) << 23;
                size = 8 * 1024 * 1024;
@@ -4035,7 +4045,6 @@ ext4_fsblk_t ext4_mb_new_blocks(handle_t *handle,
                ac->ac_op = EXT4_MB_HISTORY_ALLOC;
                ext4_mb_normalize_request(ac, ar);
 repeat:
                /* allocate space in core */
                ext4_mb_regular_allocator(ac);
@@ -4049,10 +4058,21 @@ repeat:
        }
        if (likely(ac->ac_status == AC_STATUS_FOUND)) {
-                ext4_mb_mark_diskspace_used(ac, handle);
+                *errp = ext4_mb_mark_diskspace_used(ac, handle);
-                *errp = 0;
+                if (*errp ==  -EAGAIN) {
-                block = ext4_grp_offs_to_block(sb, &ac->ac_b_ex);
+                        ac->ac_b_ex.fe_group = 0;
-                ar->len = ac->ac_b_ex.fe_len;
+                        ac->ac_b_ex.fe_start = 0;
+                        ac->ac_b_ex.fe_len = 0;
+                        ac->ac_status = AC_STATUS_CONTINUE;
+                        goto repeat;
+                } else if (*errp) {
+                        ac->ac_b_ex.fe_len = 0;
+                        ar->len = 0;
+                        ext4_mb_show_ac(ac);
+                } else {
+                        block = ext4_grp_offs_to_block(sb, &ac->ac_b_ex);
+                        ar->len = ac->ac_b_ex.fe_len;
+                }
        } else {
                freed  = ext4_mb_discard_preallocations(sb, ac->ac_o_ex.fe_len);
                if (freed)
@@ -4239,6 +4259,8 @@ do_more:
                ext4_error(sb, __func__,
                           "Freeing blocks in system zone - "
                           "Block = %lu, count = %lu", block, count);
+                /* err = 0. ext4_std_error should be a no op */
+                goto error_return;
        }
        BUFFER_TRACE(bitmap_bh, "getting write access");
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 52dd0679a4e2..09d9359c8055 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -979,7 +979,7 @@ static int parse_options (char *options, struct super_block *sb,
        int data_opt = 0;
        int option;
 #ifdef CONFIG_QUOTA
-        int qtype;
+        int qtype, qfmt;
        char *qname;
 #endif
@@ -1162,9 +1162,11 @@ static int parse_options (char *options, struct super_block *sb,
                case Opt_grpjquota:
                        qtype = GRPQUOTA;
 set_qf_name:
-                        if (sb_any_quota_enabled(sb)) {
+                        if ((sb_any_quota_enabled(sb) ||
+                             sb_any_quota_suspended(sb)) &&
+                            !sbi->s_qf_names[qtype]) {
                                printk(KERN_ERR
-                                        "EXT4-fs: Cannot change journalled "
+                                        "EXT4-fs: Cannot change journaled "
                                        "quota options when quota turned on.\n");
                                return 0;
                        }
@@ -1200,9 +1202,11 @@ set_qf_name:
                case Opt_offgrpjquota:
                        qtype = GRPQUOTA;
 clear_qf_name:
-                        if (sb_any_quota_enabled(sb)) {
+                        if ((sb_any_quota_enabled(sb) ||
+                             sb_any_quota_suspended(sb)) &&
+                            sbi->s_qf_names[qtype]) {
                                printk(KERN_ERR "EXT4-fs: Cannot change "
-                                        "journalled quota options when "
+                                        "journaled quota options when "
                                        "quota turned on.\n");
                                return 0;
                        }
@@ -1213,10 +1217,20 @@ clear_qf_name:
                        sbi->s_qf_names[qtype] = NULL;
                        break;
                case Opt_jqfmt_vfsold:
-                        sbi->s_jquota_fmt = QFMT_VFS_OLD;
+                        qfmt = QFMT_VFS_OLD;
-                        break;
+                        goto set_qf_format;
                case Opt_jqfmt_vfsv0:
-                        sbi->s_jquota_fmt = QFMT_VFS_V0;
+                        qfmt = QFMT_VFS_V0;
+set_qf_format:
+                        if ((sb_any_quota_enabled(sb) ||
+                             sb_any_quota_suspended(sb)) &&
+                            sbi->s_jquota_fmt != qfmt) {
+                                printk(KERN_ERR "EXT4-fs: Cannot change "
+                                        "journaled quota options when "
+                                        "quota turned on.\n");
+                                return 0;
+                        }
+                        sbi->s_jquota_fmt = qfmt;
                        break;
                case Opt_quota:
                case Opt_usrquota:
@@ -1241,6 +1255,9 @@ clear_qf_name:
                case Opt_quota:
                case Opt_usrquota:
                case Opt_grpquota:
+                        printk(KERN_ERR
+                                "EXT4-fs: quota options not supported.\n");
+                        break;
                case Opt_usrjquota:
                case Opt_grpjquota:
                case Opt_offusrjquota:
@@ -1248,7 +1265,7 @@ clear_qf_name:
                case Opt_jqfmt_vfsold:
                case Opt_jqfmt_vfsv0:
                        printk(KERN_ERR
-                                "EXT4-fs: journalled quota options not "
+                                "EXT4-fs: journaled quota options not "
                                "supported.\n");
                        break;
                case Opt_noquota:
@@ -1333,14 +1350,14 @@ clear_qf_name:
                }
                if (!sbi->s_jquota_fmt) {
-                        printk(KERN_ERR "EXT4-fs: journalled quota format "
+                        printk(KERN_ERR "EXT4-fs: journaled quota format "
                                        "not specified.\n");
                        return 0;
                }
        } else {
                if (sbi->s_jquota_fmt) {
-                        printk(KERN_ERR "EXT4-fs: journalled quota format "
+                        printk(KERN_ERR "EXT4-fs: journaled quota format "
-                                        "specified with no journalling "
+                                        "specified with no journaling "
                                        "enabled.\n");
                        return 0;
                }
@@ -1581,7 +1598,7 @@ static void ext4_orphan_cleanup (struct super_block * sb,
                        int ret = ext4_quota_on_mount(sb, i);
                        if (ret < 0)
                                printk(KERN_ERR
-                                        "EXT4-fs: Cannot turn on journalled "
+                                        "EXT4-fs: Cannot turn on journaled "
                                        "quota: error %d\n", ret);
                }
        }
@@ -3106,7 +3123,7 @@ static int ext4_release_dquot(struct dquot *dquot)
 static int ext4_mark_dquot_dirty(struct dquot *dquot)
 {
-        /* Are we journalling quotas? */
+        /* Are we journaling quotas? */
        if (EXT4_SB(dquot->dq_sb)->s_qf_names[USRQUOTA] ||
            EXT4_SB(dquot->dq_sb)->s_qf_names[GRPQUOTA]) {
                dquot_mark_dquot_dirty(dquot);
@@ -3153,23 +3170,42 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id,
        if (!test_opt(sb, QUOTA))
                return -EINVAL;
-        /* Not journalling quota? */
+        /* When remounting, no checks are needed and in fact, path is NULL */
-        if ((!EXT4_SB(sb)->s_qf_names[USRQUOTA] &&
+        if (remount)
-            !EXT4_SB(sb)->s_qf_names[GRPQUOTA]) || remount)
                return vfs_quota_on(sb, type, format_id, path, remount);
        err = path_lookup(path, LOOKUP_FOLLOW, &nd);
        if (err)
                return err;
        /* Quotafile not on the same filesystem? */
        if (nd.path.mnt->mnt_sb != sb) {
                path_put(&nd.path);
                return -EXDEV;
        }
-        /* Quotafile not of fs root? */
+        /* Journaling quota? */
-        if (nd.path.dentry->d_parent->d_inode != sb->s_root->d_inode)
+        if (EXT4_SB(sb)->s_qf_names[type]) {
-                printk(KERN_WARNING
+                /* Quotafile not of fs root? */
-                        "EXT4-fs: Quota file not on filesystem root. "
+                if (nd.path.dentry->d_parent->d_inode != sb->s_root->d_inode)
-                        "Journalled quota will not work.\n");
+                        printk(KERN_WARNING
+                                "EXT4-fs: Quota file not on filesystem root. "
+                                "Journaled quota will not work.\n");
+        }
+        /*
+         * When we journal data on quota file, we have to flush journal to see
+         * all updates to the file when we bypass pagecache...
+         */
+        if (ext4_should_journal_data(nd.path.dentry->d_inode)) {
+                /*
+                 * We don't need to lock updates but journal_flush() could
+                 * otherwise be livelocked...
+                 */
+                jbd2_journal_lock_updates(EXT4_SB(sb)->s_journal);
+                jbd2_journal_flush(EXT4_SB(sb)->s_journal);
+                jbd2_journal_unlock_updates(EXT4_SB(sb)->s_journal);
+        }
        path_put(&nd.path);
        return vfs_quota_on(sb, type, format_id, path, remount);
 }
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 3fbc2c6c3d0e..ff08633f398e 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -1009,6 +1009,11 @@ ext4_xattr_set_handle(handle_t *handle, struct inode *inode, int name_index,
                        i.value = NULL;
                        error = ext4_xattr_block_set(handle, inode, &i, &bs);
                } else if (error == -ENOSPC) {
+                        if (EXT4_I(inode)->i_file_acl && !bs.s.base) {
+                                error = ext4_xattr_block_find(inode, &i, &bs);
+                                if (error)
+                                        goto cleanup;
+                        }
                        error = ext4_xattr_block_set(handle, inode, &i, &bs);
                        if (error)
                                goto cleanup;
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index f28cf8b46f80..8092f0d9fd1f 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -804,6 +804,8 @@ static ssize_t fuse_fill_write_pages(struct fuse_req *req,
                if (offset == PAGE_CACHE_SIZE)
                        offset = 0;
+                if (!fc->big_writes)
+                        break;
        } while (iov_iter_count(ii) && count < fc->max_write &&
                 req->num_pages < FUSE_MAX_PAGES_PER_REQ && offset == 0);
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index dadffa21a206..bae948657c4f 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -404,6 +404,9 @@ struct fuse_conn {
        /** Is bmap not implemented by fs? */
        unsigned no_bmap : 1;
+        /** Do multi-page cached writes */
+        unsigned big_writes : 1;
        /** The number of requests waiting for completion */
        atomic_t num_waiting;
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 79b615873838..fb77e0962132 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -576,6 +576,8 @@ static void process_init_reply(struct fuse_conn *fc, struct fuse_req *req)
                                fc->no_lock = 1;
                        if (arg->flags & FUSE_ATOMIC_O_TRUNC)
                                fc->atomic_o_trunc = 1;
+                        if (arg->flags & FUSE_BIG_WRITES)
+                                fc->big_writes = 1;
                } else {
                        ra_pages = fc->max_read / PAGE_CACHE_SIZE;
                        fc->no_lock = 1;
@@ -599,7 +601,8 @@ static void fuse_send_init(struct fuse_conn *fc, struct fuse_req *req)
        arg->major = FUSE_KERNEL_VERSION;
        arg->minor = FUSE_KERNEL_MINOR_VERSION;
        arg->max_readahead = fc->bdi.ra_pages * PAGE_CACHE_SIZE;
-        arg->flags |= FUSE_ASYNC_READ | FUSE_POSIX_LOCKS | FUSE_ATOMIC_O_TRUNC;
+        arg->flags |= FUSE_ASYNC_READ | FUSE_POSIX_LOCKS | FUSE_ATOMIC_O_TRUNC |
+                FUSE_BIG_WRITES;
        req->in.h.opcode = FUSE_INIT;
        req->in.numargs = 1;
        req->in.args[0].size = sizeof(*arg);
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index d53b2af91c25..67e1c8b467c4 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -65,6 +65,8 @@ static int hfsplus_releasepage(struct page *page, gfp_t mask)
                BUG();
                return 0;
        }
+        if (!tree)
+                return 0;
        if (tree->node_size >= PAGE_CACHE_SIZE) {
                nidx = page->index >> (tree->node_size_shift - PAGE_CACHE_SHIFT);
                spin_lock(&tree->hash_lock);
diff --git a/fs/hppfs/Makefile b/fs/hppfs/Makefile
index 6890433f7595..8a1f50344368 100644
--- a/fs/hppfs/Makefile
+++ b/fs/hppfs/Makefile
@@ -1,9 +1,9 @@
 #
-# Copyright (C) 2002, 2003 Jeff Dike (jdike@karaya.com)
+# Copyright (C) 2002 - 2008 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 # Licensed under the GPL
 #
-hppfs-objs := hppfs_kern.o
+hppfs-objs := hppfs.o
 obj-y =
-obj-$(CONFIG_HPPFS) += hppfs.o
+obj-$(CONFIG_HPPFS) += $(hppfs-objs)
diff --git a/fs/hppfs/hppfs_kern.c b/fs/hppfs/hppfs.c
index 8601d8ef3b55..65077aa90f0a 100644
--- a/fs/hppfs/hppfs_kern.c
+++ b/fs/hppfs/hppfs.c
@@ -33,7 +33,7 @@ struct hppfs_private {
 };
 struct hppfs_inode_info {
-        struct dentry *proc_dentry;
+        struct dentry *proc_dentry;
        struct inode vfs_inode;
 };
@@ -52,7 +52,7 @@ static int is_pid(struct dentry *dentry)
        int i;
        sb = dentry->d_sb;
-        if ((sb->s_op != &hppfs_sbops) || (dentry->d_parent != sb->s_root))
+        if (dentry->d_parent != sb->s_root)
                return 0;
        for (i = 0; i < dentry->d_name.len; i++) {
@@ -136,7 +136,7 @@ static int file_removed(struct dentry *dentry, const char *file)
 }
 static struct dentry *hppfs_lookup(struct inode *ino, struct dentry *dentry,
-                                  struct nameidata *nd)
+                                   struct nameidata *nd)
 {
        struct dentry *proc_dentry, *new, *parent;
        struct inode *inode;
@@ -254,6 +254,8 @@ static ssize_t hppfs_read(struct file *file, char __user *buf, size_t count,
        int err;
        if (hppfs->contents != NULL) {
+                int rem;
                if (*ppos >= hppfs->len)
                        return 0;
@@ -267,8 +269,10 @@ static ssize_t hppfs_read(struct file *file, char __user *buf, size_t count,
                if (off + count > hppfs->len)
                        count = hppfs->len - off;
-                copy_to_user(buf, &data->contents[off], count);
+                rem = copy_to_user(buf, &data->contents[off], count);
-                *ppos += count;
+                *ppos += count - rem;
+                if (rem > 0)
+                        return -EFAULT;
        } else if (hppfs->host_fd != -1) {
                err = os_seek_file(hppfs->host_fd, *ppos);
                if (err) {
@@ -285,21 +289,15 @@ static ssize_t hppfs_read(struct file *file, char __user *buf, size_t count,
        return count;
 }
-static ssize_t hppfs_write(struct file *file, const char __user *buf, size_t len,
+static ssize_t hppfs_write(struct file *file, const char __user *buf,
-                           loff_t *ppos)
+                           size_t len, loff_t *ppos)
 {
        struct hppfs_private *data = file->private_data;
        struct file *proc_file = data->proc_file;
        ssize_t (*write)(struct file *, const char __user *, size_t, loff_t *);
-        int err;
        write = proc_file->f_path.dentry->d_inode->i_fop->write;
+        return (*write)(proc_file, buf, len, ppos);
-        proc_file->f_pos = file->f_pos;
-        err = (*write)(proc_file, buf, len, &proc_file->f_pos);
-        file->f_pos = proc_file->f_pos;
-        return err;
 }
 static int open_host_sock(char *host_file, int *filter_out)
@@ -357,7 +355,7 @@ static struct hppfs_data *hppfs_get_data(int fd, int filter,
        if (filter) {
                while ((n = read_proc(proc_file, data->contents,
-                                     sizeof(data->contents), NULL, 0)) > 0)
+                                      sizeof(data->contents), NULL, 0)) > 0)
                        os_write_file(fd, data->contents, n);
                err = os_shutdown_socket(fd, 0, 1);
                if (err) {
@@ -429,8 +427,8 @@ static int file_mode(int fmode)
 static int hppfs_open(struct inode *inode, struct file *file)
 {
        struct hppfs_private *data;
-        struct dentry *proc_dentry;
        struct vfsmount *proc_mnt;
+        struct dentry *proc_dentry;
        char *host_file;
        int err, fd, type, filter;
@@ -492,8 +490,8 @@ static int hppfs_open(struct inode *inode, struct file *file)
 static int hppfs_dir_open(struct inode *inode, struct file *file)
 {
        struct hppfs_private *data;
-        struct dentry *proc_dentry;
        struct vfsmount *proc_mnt;
+        struct dentry *proc_dentry;
        int err;
        err = -ENOMEM;
@@ -620,6 +618,9 @@ static struct inode *hppfs_alloc_inode(struct super_block *sb)
 void hppfs_delete_inode(struct inode *ino)
 {
+        dput(HPPFS_I(ino)->proc_dentry);
+        mntput(ino->i_sb->s_fs_info);
        clear_inode(ino);
 }
@@ -628,69 +629,46 @@ static void hppfs_destroy_inode(struct inode *inode)
        kfree(HPPFS_I(inode));
 }
-static void hppfs_put_super(struct super_block *sb)
-{
-        mntput(sb->s_fs_info);
-}
 static const struct super_operations hppfs_sbops = {
        .alloc_inode    = hppfs_alloc_inode,
        .destroy_inode  = hppfs_destroy_inode,
        .delete_inode   = hppfs_delete_inode,
        .statfs         = hppfs_statfs,
-        .put_super      = hppfs_put_super,
 };
 static int hppfs_readlink(struct dentry *dentry, char __user *buffer,
                          int buflen)
 {
-        struct file *proc_file;
        struct dentry *proc_dentry;
-        struct vfsmount *proc_mnt;
-        int ret;
        proc_dentry = HPPFS_I(dentry->d_inode)->proc_dentry;
-        proc_mnt = dentry->d_sb->s_fs_info;
+        return proc_dentry->d_inode->i_op->readlink(proc_dentry, buffer,
+                                                    buflen);
-        proc_file = dentry_open(dget(proc_dentry), mntget(proc_mnt), O_RDONLY);
-        if (IS_ERR(proc_file))
-                return PTR_ERR(proc_file);
-        ret = proc_dentry->d_inode->i_op->readlink(proc_dentry, buffer, buflen);
-        fput(proc_file);
-        return ret;
 }
-static void* hppfs_follow_link(struct dentry *dentry, struct nameidata *nd)
+static void *hppfs_follow_link(struct dentry *dentry, struct nameidata *nd)
 {
-        struct file *proc_file;
        struct dentry *proc_dentry;
-        struct vfsmount *proc_mnt;
-        void *ret;
        proc_dentry = HPPFS_I(dentry->d_inode)->proc_dentry;
-        proc_mnt = dentry->d_sb->s_fs_info;
-        proc_file = dentry_open(dget(proc_dentry), mntget(proc_mnt), O_RDONLY);
-        if (IS_ERR(proc_file))
-                return proc_file;
-        ret = proc_dentry->d_inode->i_op->follow_link(proc_dentry, nd);
-        fput(proc_file);
+        return proc_dentry->d_inode->i_op->follow_link(proc_dentry, nd);
+}
-        return ret;
+int hppfs_permission(struct inode *inode, int mask, struct nameidata *nd)
+{
+        return generic_permission(inode, mask, NULL);
 }
 static const struct inode_operations hppfs_dir_iops = {
        .lookup         = hppfs_lookup,
+        .permission     = hppfs_permission,
 };
 static const struct inode_operations hppfs_link_iops = {
        .readlink       = hppfs_readlink,
        .follow_link    = hppfs_follow_link,
+        .permission     = hppfs_permission,
 };
 static struct inode *get_inode(struct super_block *sb, struct dentry *dentry)
@@ -712,7 +690,7 @@ static struct inode *get_inode(struct super_block *sb, struct dentry *dentry)
                inode->i_fop = &hppfs_file_fops;
        }
-        HPPFS_I(inode)->proc_dentry = dentry;
+        HPPFS_I(inode)->proc_dentry = dget(dentry);
        inode->i_uid = proc_ino->i_uid;
        inode->i_gid = proc_ino->i_gid;
@@ -725,7 +703,7 @@ static struct inode *get_inode(struct super_block *sb, struct dentry *dentry)
        inode->i_size = proc_ino->i_size;
        inode->i_blocks = proc_ino->i_blocks;
-        return 0;
+        return inode;
 }
 static int hppfs_fill_super(struct super_block *sb, void *d, int silent)
diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c
index cd931ef1f000..5a8ca61498ca 100644
--- a/fs/jbd/commit.c
+++ b/fs/jbd/commit.c
@@ -470,7 +470,9 @@ void journal_commit_transaction(journal_t *journal)
         * transaction!  Now comes the tricky part: we need to write out
         * metadata.  Loop over the transaction's entire buffer list:
         */
+        spin_lock(&journal->j_state_lock);
        commit_transaction->t_state = T_COMMIT;
+        spin_unlock(&journal->j_state_lock);
        J_ASSERT(commit_transaction->t_nr_buffers <=
                 commit_transaction->t_outstanding_credits);
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index e0139786f717..4d99685fdce4 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -560,7 +560,9 @@ void jbd2_journal_commit_transaction(journal_t *journal)
         * transaction!  Now comes the tricky part: we need to write out
         * metadata.  Loop over the transaction's entire buffer list:
         */
+        spin_lock(&journal->j_state_lock);
        commit_transaction->t_state = T_COMMIT;
+        spin_unlock(&journal->j_state_lock);
        stats.u.run.rs_logging = jiffies;
        stats.u.run.rs_flushing = jbd2_time_diff(stats.u.run.rs_flushing,
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 53632e3e8457..2e24567c4a79 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -901,7 +901,7 @@ static void jbd2_stats_proc_init(journal_t *journal)
 {
        char name[BDEVNAME_SIZE];
-        snprintf(name, sizeof(name) - 1, "%s", bdevname(journal->j_dev, name));
+        bdevname(journal->j_dev, name);
        journal->j_proc_entry = proc_mkdir(name, proc_jbd2_stats);
        if (journal->j_proc_entry) {
                proc_create_data("history", S_IRUGO, journal->j_proc_entry,
@@ -915,7 +915,7 @@ static void jbd2_stats_proc_exit(journal_t *journal)
 {
        char name[BDEVNAME_SIZE];
-        snprintf(name, sizeof(name) - 1, "%s", bdevname(journal->j_dev, name));
+        bdevname(journal->j_dev, name);
        remove_proc_entry("info", journal->j_proc_entry);
        remove_proc_entry("history", journal->j_proc_entry);
        remove_proc_entry(name, proc_jbd2_stats);
diff --git a/fs/proc/array.c b/fs/proc/array.c
index dca997a93bff..9e3b8c33c24b 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -298,6 +298,7 @@ static inline void task_cap(struct seq_file *m, struct task_struct *p)
        render_cap_t(m, "CapInh:\t", &p->cap_inheritable);
        render_cap_t(m, "CapPrm:\t", &p->cap_permitted);
        render_cap_t(m, "CapEff:\t", &p->cap_effective);
+        render_cap_t(m, "CapBnd:\t", &p->cap_bset);
 }
 static inline void task_context_switch_counts(struct seq_file *m,
diff --git a/fs/ufs/ufs.h b/fs/ufs/ufs.h
index 244a1aaa940e..11c035168ea6 100644
--- a/fs/ufs/ufs.h
+++ b/fs/ufs/ufs.h
@@ -107,7 +107,6 @@ extern struct inode * ufs_new_inode (struct inode *, int);
 /* inode.c */
 extern struct inode *ufs_iget(struct super_block *, unsigned long);
-extern void ufs_put_inode (struct inode *);
 extern int ufs_write_inode (struct inode *, int);
 extern int ufs_sync_inode (struct inode *);
 extern void ufs_delete_inode (struct inode *);
diff --git a/include/asm-alpha/barrier.h b/include/asm-alpha/barrier.h
index 384dc08d6f53..ac78eba909bc 100644
--- a/include/asm-alpha/barrier.h
+++ b/include/asm-alpha/barrier.h
@@ -24,7 +24,7 @@ __asm__ __volatile__("mb": : :"memory")
 #define smp_mb()        barrier()
 #define smp_rmb()       barrier()
 #define smp_wmb()       barrier()
-#define smp_read_barrier_depends()      barrier()
+#define smp_read_barrier_depends()      do { } while (0)
 #endif
 #define set_mb(var, value) \
diff --git a/include/asm-alpha/param.h b/include/asm-alpha/param.h
index 0982f1d39499..e691ecfedb2c 100644
--- a/include/asm-alpha/param.h
+++ b/include/asm-alpha/param.h
@@ -5,8 +5,12 @@
   hardware ignores reprogramming.  We also need userland buy-in to the 
   change in HZ, since this is visible in the wait4 resources etc.  */
+#ifdef __KERNEL__
 #define HZ              CONFIG_HZ
 #define USER_HZ         HZ
+#else
+#define HZ              1024
+#endif
 #define EXEC_PAGESIZE   8192
diff --git a/include/asm-alpha/pgtable.h b/include/asm-alpha/pgtable.h
index 05ce5fba43e3..3f0c59f6d8aa 100644
--- a/include/asm-alpha/pgtable.h
+++ b/include/asm-alpha/pgtable.h
@@ -287,17 +287,34 @@ extern inline pte_t pte_mkspecial(pte_t pte)	{ return pte; }
 #define pgd_index(address)      (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
 #define pgd_offset(mm, address) ((mm)->pgd+pgd_index(address))
+/*
+ * The smp_read_barrier_depends() in the following functions are required to
+ * order the load of *dir (the pointer in the top level page table) with any
+ * subsequent load of the returned pmd_t *ret (ret is data dependent on *dir).
+ *
+ * If this ordering is not enforced, the CPU might load an older value of
+ * *ret, which may be uninitialized data. See mm/memory.c:__pte_alloc for
+ * more details.
+ *
+ * Note that we never change the mm->pgd pointer after the task is running, so
+ * pgd_offset does not require such a barrier.
+ */
 /* Find an entry in the second-level page table.. */
 extern inline pmd_t * pmd_offset(pgd_t * dir, unsigned long address)
 {
-        return (pmd_t *) pgd_page_vaddr(*dir) + ((address >> PMD_SHIFT) & (PTRS_PER_PAGE - 1));
+        pmd_t *ret = (pmd_t *) pgd_page_vaddr(*dir) + ((address >> PMD_SHIFT) & (PTRS_PER_PAGE - 1));
+        smp_read_barrier_depends(); /* see above */
+        return ret;
 }
 /* Find an entry in the third-level page table.. */
 extern inline pte_t * pte_offset_kernel(pmd_t * dir, unsigned long address)
 {
-        return (pte_t *) pmd_page_vaddr(*dir)
+        pte_t *ret = (pte_t *) pmd_page_vaddr(*dir)
                + ((address >> PAGE_SHIFT) & (PTRS_PER_PAGE - 1));
+        smp_read_barrier_depends(); /* see above */
+        return ret;
 }
 #define pte_offset_map(dir,addr)        pte_offset_kernel((dir),(addr))
diff --git a/include/asm-frv/system.h b/include/asm-frv/system.h
index cb307f8a6b48..d3a12a9079f7 100644
--- a/include/asm-frv/system.h
+++ b/include/asm-frv/system.h
@@ -179,7 +179,7 @@ do {							\
 #define mb()                    asm volatile ("membar" : : :"memory")
 #define rmb()                   asm volatile ("membar" : : :"memory")
 #define wmb()                   asm volatile ("membar" : : :"memory")
-#define read_barrier_depends()  barrier()
+#define read_barrier_depends()  do { } while (0)
 #ifdef CONFIG_SMP
 #define smp_mb()                        mb()
diff --git a/include/asm-h8300/param.h b/include/asm-h8300/param.h
index 04f64f100379..1c72fb8080ff 100644
--- a/include/asm-h8300/param.h
+++ b/include/asm-h8300/param.h
@@ -1,14 +1,12 @@
 #ifndef _H8300_PARAM_H
 #define _H8300_PARAM_H
-#ifndef HZ
-#define HZ CONFIG_HZ
-#endif
 #ifdef __KERNEL__
+#define HZ              CONFIG_HZ
 #define USER_HZ         HZ
 #define CLOCKS_PER_SEC  (USER_HZ)
+#else
+#define HZ              100
 #endif
 #define EXEC_PAGESIZE   4096
diff --git a/include/asm-ia64/machvec.h b/include/asm-ia64/machvec.h
index 9f020eb825c5..0721a5e8271e 100644
--- a/include/asm-ia64/machvec.h
+++ b/include/asm-ia64/machvec.h
@@ -126,6 +126,8 @@ extern void machvec_tlb_migrate_finish (struct mm_struct *);
 #  include <asm/machvec_hpzx1_swiotlb.h>
 # elif defined (CONFIG_IA64_SGI_SN2)
 #  include <asm/machvec_sn2.h>
+# elif defined (CONFIG_IA64_SGI_UV)
+#  include <asm/machvec_uv.h>
 # elif defined (CONFIG_IA64_GENERIC)
 # ifdef MACHVEC_PLATFORM_HEADER
diff --git a/include/asm-ia64/machvec_uv.h b/include/asm-ia64/machvec_uv.h
new file mode 100644
index 000000000000..2931447f3813
--- /dev/null
+++ b/include/asm-ia64/machvec_uv.h
@@ -0,0 +1,26 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * SGI UV Core Functions
+ *
+ * Copyright (C) 2008 Silicon Graphics, Inc. All rights reserved.
+ */
+#ifndef _ASM_IA64_MACHVEC_UV_H
+#define _ASM_IA64_MACHVEC_UV_H
+extern ia64_mv_setup_t uv_setup;
+/*
+ * This stuff has dual use!
+ *
+ * For a generic kernel, the macros are used to initialize the
+ * platform's machvec structure.  When compiling a non-generic kernel,
+ * the macros are used directly.
+ */
+#define platform_name                   "uv"
+#define platform_setup                  uv_setup
+#endif /* _ASM_IA64_MACHVEC_UV_H */
diff --git a/include/asm-ia64/uv/uv_hub.h b/include/asm-ia64/uv/uv_hub.h
new file mode 100644
index 000000000000..f607018af4a1
--- /dev/null
+++ b/include/asm-ia64/uv/uv_hub.h
@@ -0,0 +1,309 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * SGI UV architectural definitions
+ *
+ * Copyright (C) 2008 Silicon Graphics, Inc. All rights reserved.
+ */
+#ifndef __ASM_IA64_UV_HUB_H__
+#define __ASM_IA64_UV_HUB_H__
+#include <linux/numa.h>
+#include <linux/percpu.h>
+#include <asm/types.h>
+#include <asm/percpu.h>
+/*
+ * Addressing Terminology
+ *
+ *      M       - The low M bits of a physical address represent the offset
+ *                into the blade local memory. RAM memory on a blade is physically
+ *                contiguous (although various IO spaces may punch holes in
+ *                it)..
+ *
+ *      N       - Number of bits in the node portion of a socket physical
+ *                address.
+ *
+ *      NASID   - network ID of a router, Mbrick or Cbrick. Nasid values of
+ *                routers always have low bit of 1, C/MBricks have low bit
+ *                equal to 0. Most addressing macros that target UV hub chips
+ *                right shift the NASID by 1 to exclude the always-zero bit.
+ *                NASIDs contain up to 15 bits.
+ *
+ *      GNODE   - NASID right shifted by 1 bit. Most mmrs contain gnodes instead
+ *                of nasids.
+ *
+ *      PNODE   - the low N bits of the GNODE. The PNODE is the most useful variant
+ *                of the nasid for socket usage.
+ *
+ *
+ *  NumaLink Global Physical Address Format:
+ *  +--------------------------------+---------------------+
+ *  |00..000|      GNODE             |      NodeOffset     |
+ *  +--------------------------------+---------------------+
+ *          |<-------53 - M bits --->|<--------M bits ----->
+ *
+ *      M - number of node offset bits (35 .. 40)
+ *
+ *
+ *  Memory/UV-HUB Processor Socket Address Format:
+ *  +----------------+---------------+---------------------+
+ *  |00..000000000000|   PNODE       |      NodeOffset     |
+ *  +----------------+---------------+---------------------+
+ *                   <--- N bits --->|<--------M bits ----->
+ *
+ *      M - number of node offset bits (35 .. 40)
+ *      N - number of PNODE bits (0 .. 10)
+ *
+ *              Note: M + N cannot currently exceed 44 (x86_64) or 46 (IA64).
+ *              The actual values are configuration dependent and are set at
+ *              boot time. M & N values are set by the hardware/BIOS at boot.
+ */
+/*
+ * Maximum number of bricks in all partitions and in all coherency domains.
+ * This is the total number of bricks accessible in the numalink fabric. It
+ * includes all C & M bricks. Routers are NOT included.
+ *
+ * This value is also the value of the maximum number of non-router NASIDs
+ * in the numalink fabric.
+ *
+ * NOTE: a brick may contain 1 or 2 OS nodes. Don't get these confused.
+ */
+#define UV_MAX_NUMALINK_BLADES  16384
+/*
+ * Maximum number of C/Mbricks within a software SSI (hardware may support
+ * more).
+ */
+#define UV_MAX_SSI_BLADES       1
+/*
+ * The largest possible NASID of a C or M brick (+ 2)
+ */
+#define UV_MAX_NASID_VALUE      (UV_MAX_NUMALINK_NODES * 2)
+/*
+ * The following defines attributes of the HUB chip. These attributes are
+ * frequently referenced and are kept in the per-cpu data areas of each cpu.
+ * They are kept together in a struct to minimize cache misses.
+ */
+struct uv_hub_info_s {
+        unsigned long   global_mmr_base;
+        unsigned long   gpa_mask;
+        unsigned long   gnode_upper;
+        unsigned long   lowmem_remap_top;
+        unsigned long   lowmem_remap_base;
+        unsigned short  pnode;
+        unsigned short  pnode_mask;
+        unsigned short  coherency_domain_number;
+        unsigned short  numa_blade_id;
+        unsigned char   blade_processor_id;
+        unsigned char   m_val;
+        unsigned char   n_val;
+};
+DECLARE_PER_CPU(struct uv_hub_info_s, __uv_hub_info);
+#define uv_hub_info             (&__get_cpu_var(__uv_hub_info))
+#define uv_cpu_hub_info(cpu)    (&per_cpu(__uv_hub_info, cpu))
+/*
+ * Local & Global MMR space macros.
+ *      Note: macros are intended to be used ONLY by inline functions
+ *      in this file - not by other kernel code.
+ *              n -  NASID (full 15-bit global nasid)
+ *              g -  GNODE (full 15-bit global nasid, right shifted 1)
+ *              p -  PNODE (local part of nsids, right shifted 1)
+ */
+#define UV_NASID_TO_PNODE(n)            (((n) >> 1) & uv_hub_info->pnode_mask)
+#define UV_PNODE_TO_NASID(p)            (((p) << 1) | uv_hub_info->gnode_upper)
+#define UV_LOCAL_MMR_BASE               0xf4000000UL
+#define UV_GLOBAL_MMR32_BASE            0xf8000000UL
+#define UV_GLOBAL_MMR64_BASE            (uv_hub_info->global_mmr_base)
+#define UV_GLOBAL_MMR32_PNODE_SHIFT     15
+#define UV_GLOBAL_MMR64_PNODE_SHIFT     26
+#define UV_GLOBAL_MMR32_PNODE_BITS(p)   ((p) << (UV_GLOBAL_MMR32_PNODE_SHIFT))
+#define UV_GLOBAL_MMR64_PNODE_BITS(p)                                   \
+        ((unsigned long)(p) << UV_GLOBAL_MMR64_PNODE_SHIFT)
+/*
+ * Macros for converting between kernel virtual addresses, socket local physical
+ * addresses, and UV global physical addresses.
+ *      Note: use the standard __pa() & __va() macros for converting
+ *            between socket virtual and socket physical addresses.
+ */
+/* socket phys RAM --> UV global physical address */
+static inline unsigned long uv_soc_phys_ram_to_gpa(unsigned long paddr)
+{
+        if (paddr < uv_hub_info->lowmem_remap_top)
+                paddr += uv_hub_info->lowmem_remap_base;
+        return paddr | uv_hub_info->gnode_upper;
+}
+/* socket virtual --> UV global physical address */
+static inline unsigned long uv_gpa(void *v)
+{
+        return __pa(v) | uv_hub_info->gnode_upper;
+}
+/* socket virtual --> UV global physical address */
+static inline void *uv_vgpa(void *v)
+{
+        return (void *)uv_gpa(v);
+}
+/* UV global physical address --> socket virtual */
+static inline void *uv_va(unsigned long gpa)
+{
+        return __va(gpa & uv_hub_info->gpa_mask);
+}
+/* pnode, offset --> socket virtual */
+static inline void *uv_pnode_offset_to_vaddr(int pnode, unsigned long offset)
+{
+        return __va(((unsigned long)pnode << uv_hub_info->m_val) | offset);
+}
+/*
+ * Access global MMRs using the low memory MMR32 space. This region supports
+ * faster MMR access but not all MMRs are accessible in this space.
+ */
+static inline unsigned long *uv_global_mmr32_address(int pnode,
+                                unsigned long offset)
+{
+        return __va(UV_GLOBAL_MMR32_BASE |
+                       UV_GLOBAL_MMR32_PNODE_BITS(pnode) | offset);
+}
+static inline void uv_write_global_mmr32(int pnode, unsigned long offset,
+                                 unsigned long val)
+{
+        *uv_global_mmr32_address(pnode, offset) = val;
+}
+static inline unsigned long uv_read_global_mmr32(int pnode,
+                                                 unsigned long offset)
+{
+        return *uv_global_mmr32_address(pnode, offset);
+}
+/*
+ * Access Global MMR space using the MMR space located at the top of physical
+ * memory.
+ */
+static inline unsigned long *uv_global_mmr64_address(int pnode,
+                                unsigned long offset)
+{
+        return __va(UV_GLOBAL_MMR64_BASE |
+                    UV_GLOBAL_MMR64_PNODE_BITS(pnode) | offset);
+}
+static inline void uv_write_global_mmr64(int pnode, unsigned long offset,
+                                unsigned long val)
+{
+        *uv_global_mmr64_address(pnode, offset) = val;
+}
+static inline unsigned long uv_read_global_mmr64(int pnode,
+                                                 unsigned long offset)
+{
+        return *uv_global_mmr64_address(pnode, offset);
+}
+/*
+ * Access hub local MMRs. Faster than using global space but only local MMRs
+ * are accessible.
+ */
+static inline unsigned long *uv_local_mmr_address(unsigned long offset)
+{
+        return __va(UV_LOCAL_MMR_BASE | offset);
+}
+static inline unsigned long uv_read_local_mmr(unsigned long offset)
+{
+        return *uv_local_mmr_address(offset);
+}
+static inline void uv_write_local_mmr(unsigned long offset, unsigned long val)
+{
+        *uv_local_mmr_address(offset) = val;
+}
+/*
+ * Structures and definitions for converting between cpu, node, pnode, and blade
+ * numbers.
+ */
+/* Blade-local cpu number of current cpu. Numbered 0 .. <# cpus on the blade> */
+static inline int uv_blade_processor_id(void)
+{
+        return smp_processor_id();
+}
+/* Blade number of current cpu. Numnbered 0 .. <#blades -1> */
+static inline int uv_numa_blade_id(void)
+{
+        return 0;
+}
+/* Convert a cpu number to the the UV blade number */
+static inline int uv_cpu_to_blade_id(int cpu)
+{
+        return 0;
+}
+/* Convert linux node number to the UV blade number */
+static inline int uv_node_to_blade_id(int nid)
+{
+        return 0;
+}
+/* Convert a blade id to the PNODE of the blade */
+static inline int uv_blade_to_pnode(int bid)
+{
+        return 0;
+}
+/* Determine the number of possible cpus on a blade */
+static inline int uv_blade_nr_possible_cpus(int bid)
+{
+        return num_possible_cpus();
+}
+/* Determine the number of online cpus on a blade */
+static inline int uv_blade_nr_online_cpus(int bid)
+{
+        return num_online_cpus();
+}
+/* Convert a cpu id to the PNODE of the blade containing the cpu */
+static inline int uv_cpu_to_pnode(int cpu)
+{
+        return 0;
+}
+/* Convert a linux node number to the PNODE of the blade */
+static inline int uv_node_to_pnode(int nid)
+{
+        return 0;
+}
+/* Maximum possible number of blades */
+static inline int uv_num_possible_blades(void)
+{
+        return 1;
+}
+#endif /* __ASM_IA64_UV_HUB__ */
diff --git a/include/asm-ia64/uv/uv_mmrs.h b/include/asm-ia64/uv/uv_mmrs.h
new file mode 100644
index 000000000000..1cc1dbb0182f
--- /dev/null
+++ b/include/asm-ia64/uv/uv_mmrs.h
@@ -0,0 +1,266 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * SGI UV MMR definitions
+ *
+ * Copyright (C) 2007-2008 Silicon Graphics, Inc. All rights reserved.
+ */
+#ifndef __ASM_IA64_UV_MMRS__
+#define __ASM_IA64_UV_MMRS__
+/*
+ *       AUTO GENERATED - Do not edit
+ */
+ #define UV_MMR_ENABLE          (1UL << 63)
+/* ========================================================================= */
+/*                               UVH_NODE_ID                                 */
+/* ========================================================================= */
+#define UVH_NODE_ID 0x0UL
+#define UVH_NODE_ID_FORCE1_SHFT 0
+#define UVH_NODE_ID_FORCE1_MASK 0x0000000000000001UL
+#define UVH_NODE_ID_MANUFACTURER_SHFT 1
+#define UVH_NODE_ID_MANUFACTURER_MASK 0x0000000000000ffeUL
+#define UVH_NODE_ID_PART_NUMBER_SHFT 12
+#define UVH_NODE_ID_PART_NUMBER_MASK 0x000000000ffff000UL
+#define UVH_NODE_ID_REVISION_SHFT 28
+#define UVH_NODE_ID_REVISION_MASK 0x00000000f0000000UL
+#define UVH_NODE_ID_NODE_ID_SHFT 32
+#define UVH_NODE_ID_NODE_ID_MASK 0x00007fff00000000UL
+#define UVH_NODE_ID_NODES_PER_BIT_SHFT 48
+#define UVH_NODE_ID_NODES_PER_BIT_MASK 0x007f000000000000UL
+#define UVH_NODE_ID_NI_PORT_SHFT 56
+#define UVH_NODE_ID_NI_PORT_MASK 0x0f00000000000000UL
+union uvh_node_id_u {
+    unsigned long       v;
+    struct uvh_node_id_s {
+        unsigned long   force1        :  1;  /* RO */
+        unsigned long   manufacturer  : 11;  /* RO */
+        unsigned long   part_number   : 16;  /* RO */
+        unsigned long   revision      :  4;  /* RO */
+        unsigned long   node_id       : 15;  /* RW */
+        unsigned long   rsvd_47       :  1;  /*    */
+        unsigned long   nodes_per_bit :  7;  /* RW */
+        unsigned long   rsvd_55       :  1;  /*    */
+        unsigned long   ni_port       :  4;  /* RO */
+        unsigned long   rsvd_60_63    :  4;  /*    */
+    } s;
+};
+/* ========================================================================= */
+/*                UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR                  */
+/* ========================================================================= */
+#define UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR 0x16000d0UL
+#define UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR_DEST_BASE_SHFT 24
+#define UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR_DEST_BASE_MASK 0x00003fffff000000UL
+union uvh_rh_gam_alias210_redirect_config_0_mmr_u {
+    unsigned long       v;
+    struct uvh_rh_gam_alias210_redirect_config_0_mmr_s {
+        unsigned long   rsvd_0_23 : 24;  /*    */
+        unsigned long   dest_base : 22;  /* RW */
+        unsigned long   rsvd_46_63: 18;  /*    */
+    } s;
+};
+/* ========================================================================= */
+/*                UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_1_MMR                  */
+/* ========================================================================= */
+#define UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_1_MMR 0x16000e0UL
+#define UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_1_MMR_DEST_BASE_SHFT 24
+#define UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_1_MMR_DEST_BASE_MASK 0x00003fffff000000UL
+union uvh_rh_gam_alias210_redirect_config_1_mmr_u {
+    unsigned long       v;
+    struct uvh_rh_gam_alias210_redirect_config_1_mmr_s {
+        unsigned long   rsvd_0_23 : 24;  /*    */
+        unsigned long   dest_base : 22;  /* RW */
+        unsigned long   rsvd_46_63: 18;  /*    */
+    } s;
+};
+/* ========================================================================= */
+/*                UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_2_MMR                  */
+/* ========================================================================= */
+#define UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_2_MMR 0x16000f0UL
+#define UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_2_MMR_DEST_BASE_SHFT 24
+#define UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_2_MMR_DEST_BASE_MASK 0x00003fffff000000UL
+union uvh_rh_gam_alias210_redirect_config_2_mmr_u {
+    unsigned long       v;
+    struct uvh_rh_gam_alias210_redirect_config_2_mmr_s {
+        unsigned long   rsvd_0_23 : 24;  /*    */
+        unsigned long   dest_base : 22;  /* RW */
+        unsigned long   rsvd_46_63: 18;  /*    */
+    } s;
+};
+/* ========================================================================= */
+/*                    UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR                      */
+/* ========================================================================= */
+#define UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR 0x1600010UL
+#define UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR_BASE_SHFT 28
+#define UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR_BASE_MASK 0x00003ffff0000000UL
+#define UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR_GR4_SHFT 46
+#define UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR_GR4_MASK 0x0000400000000000UL
+#define UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR_N_GRU_SHFT 52
+#define UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR_N_GRU_MASK 0x00f0000000000000UL
+#define UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR_ENABLE_SHFT 63
+#define UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR_ENABLE_MASK 0x8000000000000000UL
+union uvh_rh_gam_gru_overlay_config_mmr_u {
+    unsigned long       v;
+    struct uvh_rh_gam_gru_overlay_config_mmr_s {
+        unsigned long   rsvd_0_27: 28;  /*    */
+        unsigned long   base   : 18;  /* RW */
+        unsigned long   gr4    :  1;  /* RW */
+        unsigned long   rsvd_47_51:  5;  /*    */
+        unsigned long   n_gru  :  4;  /* RW */
+        unsigned long   rsvd_56_62:  7;  /*    */
+        unsigned long   enable :  1;  /* RW */
+    } s;
+};
+/* ========================================================================= */
+/*                    UVH_RH_GAM_MMR_OVERLAY_CONFIG_MMR                      */
+/* ========================================================================= */
+#define UVH_RH_GAM_MMR_OVERLAY_CONFIG_MMR 0x1600028UL
+#define UVH_RH_GAM_MMR_OVERLAY_CONFIG_MMR_BASE_SHFT 26
+#define UVH_RH_GAM_MMR_OVERLAY_CONFIG_MMR_BASE_MASK 0x00003ffffc000000UL
+#define UVH_RH_GAM_MMR_OVERLAY_CONFIG_MMR_DUAL_HUB_SHFT 46
+#define UVH_RH_GAM_MMR_OVERLAY_CONFIG_MMR_DUAL_HUB_MASK 0x0000400000000000UL
+#define UVH_RH_GAM_MMR_OVERLAY_CONFIG_MMR_ENABLE_SHFT 63
+#define UVH_RH_GAM_MMR_OVERLAY_CONFIG_MMR_ENABLE_MASK 0x8000000000000000UL
+union uvh_rh_gam_mmr_overlay_config_mmr_u {
+    unsigned long       v;
+    struct uvh_rh_gam_mmr_overlay_config_mmr_s {
+        unsigned long   rsvd_0_25: 26;  /*    */
+        unsigned long   base     : 20;  /* RW */
+        unsigned long   dual_hub :  1;  /* RW */
+        unsigned long   rsvd_47_62: 16;  /*    */
+        unsigned long   enable   :  1;  /* RW */
+    } s;
+};
+/* ========================================================================= */
+/*                                 UVH_RTC                                   */
+/* ========================================================================= */
+#define UVH_RTC 0x28000UL
+#define UVH_RTC_REAL_TIME_CLOCK_SHFT 0
+#define UVH_RTC_REAL_TIME_CLOCK_MASK 0x00ffffffffffffffUL
+union uvh_rtc_u {
+    unsigned long       v;
+    struct uvh_rtc_s {
+        unsigned long   real_time_clock : 56;  /* RW */
+        unsigned long   rsvd_56_63      :  8;  /*    */
+    } s;
+};
+/* ========================================================================= */
+/*                          UVH_SI_ADDR_MAP_CONFIG                           */
+/* ========================================================================= */
+#define UVH_SI_ADDR_MAP_CONFIG 0xc80000UL
+#define UVH_SI_ADDR_MAP_CONFIG_M_SKT_SHFT 0
+#define UVH_SI_ADDR_MAP_CONFIG_M_SKT_MASK 0x000000000000003fUL
+#define UVH_SI_ADDR_MAP_CONFIG_N_SKT_SHFT 8
+#define UVH_SI_ADDR_MAP_CONFIG_N_SKT_MASK 0x0000000000000f00UL
+union uvh_si_addr_map_config_u {
+    unsigned long       v;
+    struct uvh_si_addr_map_config_s {
+        unsigned long   m_skt :  6;  /* RW */
+        unsigned long   rsvd_6_7:  2;  /*    */
+        unsigned long   n_skt :  4;  /* RW */
+        unsigned long   rsvd_12_63: 52;  /*    */
+    } s;
+};
+/* ========================================================================= */
+/*                       UVH_SI_ALIAS0_OVERLAY_CONFIG                        */
+/* ========================================================================= */
+#define UVH_SI_ALIAS0_OVERLAY_CONFIG 0xc80008UL
+#define UVH_SI_ALIAS0_OVERLAY_CONFIG_BASE_SHFT 24
+#define UVH_SI_ALIAS0_OVERLAY_CONFIG_BASE_MASK 0x00000000ff000000UL
+#define UVH_SI_ALIAS0_OVERLAY_CONFIG_M_ALIAS_SHFT 48
+#define UVH_SI_ALIAS0_OVERLAY_CONFIG_M_ALIAS_MASK 0x001f000000000000UL
+#define UVH_SI_ALIAS0_OVERLAY_CONFIG_ENABLE_SHFT 63
+#define UVH_SI_ALIAS0_OVERLAY_CONFIG_ENABLE_MASK 0x8000000000000000UL
+union uvh_si_alias0_overlay_config_u {
+    unsigned long       v;
+    struct uvh_si_alias0_overlay_config_s {
+        unsigned long   rsvd_0_23: 24;  /*    */
+        unsigned long   base    :  8;  /* RW */
+        unsigned long   rsvd_32_47: 16;  /*    */
+        unsigned long   m_alias :  5;  /* RW */
+        unsigned long   rsvd_53_62: 10;  /*    */
+        unsigned long   enable  :  1;  /* RW */
+    } s;
+};
+/* ========================================================================= */
+/*                       UVH_SI_ALIAS1_OVERLAY_CONFIG                        */
+/* ========================================================================= */
+#define UVH_SI_ALIAS1_OVERLAY_CONFIG 0xc80010UL
+#define UVH_SI_ALIAS1_OVERLAY_CONFIG_BASE_SHFT 24
+#define UVH_SI_ALIAS1_OVERLAY_CONFIG_BASE_MASK 0x00000000ff000000UL
+#define UVH_SI_ALIAS1_OVERLAY_CONFIG_M_ALIAS_SHFT 48
+#define UVH_SI_ALIAS1_OVERLAY_CONFIG_M_ALIAS_MASK 0x001f000000000000UL
+#define UVH_SI_ALIAS1_OVERLAY_CONFIG_ENABLE_SHFT 63
+#define UVH_SI_ALIAS1_OVERLAY_CONFIG_ENABLE_MASK 0x8000000000000000UL
+union uvh_si_alias1_overlay_config_u {
+    unsigned long       v;
+    struct uvh_si_alias1_overlay_config_s {
+        unsigned long   rsvd_0_23: 24;  /*    */
+        unsigned long   base    :  8;  /* RW */
+        unsigned long   rsvd_32_47: 16;  /*    */
+        unsigned long   m_alias :  5;  /* RW */
+        unsigned long   rsvd_53_62: 10;  /*    */
+        unsigned long   enable  :  1;  /* RW */
+    } s;
+};
+/* ========================================================================= */
+/*                       UVH_SI_ALIAS2_OVERLAY_CONFIG                        */
+/* ========================================================================= */
+#define UVH_SI_ALIAS2_OVERLAY_CONFIG 0xc80018UL
+#define UVH_SI_ALIAS2_OVERLAY_CONFIG_BASE_SHFT 24
+#define UVH_SI_ALIAS2_OVERLAY_CONFIG_BASE_MASK 0x00000000ff000000UL
+#define UVH_SI_ALIAS2_OVERLAY_CONFIG_M_ALIAS_SHFT 48
+#define UVH_SI_ALIAS2_OVERLAY_CONFIG_M_ALIAS_MASK 0x001f000000000000UL
+#define UVH_SI_ALIAS2_OVERLAY_CONFIG_ENABLE_SHFT 63
+#define UVH_SI_ALIAS2_OVERLAY_CONFIG_ENABLE_MASK 0x8000000000000000UL
+union uvh_si_alias2_overlay_config_u {
+    unsigned long       v;
+    struct uvh_si_alias2_overlay_config_s {
+        unsigned long   rsvd_0_23: 24;  /*    */
+        unsigned long   base    :  8;  /* RW */
+        unsigned long   rsvd_32_47: 16;  /*    */
+        unsigned long   m_alias :  5;  /* RW */
+        unsigned long   rsvd_53_62: 10;  /*    */
+        unsigned long   enable  :  1;  /* RW */
+    } s;
+};
+#endif /* __ASM_IA64_UV_MMRS__ */
diff --git a/include/asm-parisc/assembly.h b/include/asm-parisc/assembly.h
index 5587f0023881..ffb208840ecc 100644
--- a/include/asm-parisc/assembly.h
+++ b/include/asm-parisc/assembly.h
@@ -31,9 +31,8 @@
 #define STREGM  std,ma
 #define SHRREG  shrd
 #define SHLREG  shld
-#define ADDIB   addib,*
-#define CMPB    cmpb,*
 #define ANDCM   andcm,*
+#define COND(x) * ## x
 #define RP_OFFSET       16
 #define FRAME_SIZE      128
 #define CALLEE_REG_FRAME_SIZE   144
@@ -46,9 +45,8 @@
 #define STREGM  stwm
 #define SHRREG  shr
 #define SHLREG  shlw
-#define ADDIB   addib,
-#define CMPB    cmpb,
 #define ANDCM   andcm
+#define COND(x) x
 #define RP_OFFSET       20
 #define FRAME_SIZE      64
 #define CALLEE_REG_FRAME_SIZE   128
diff --git a/include/asm-parisc/ioctl.h b/include/asm-parisc/ioctl.h
index 68338d2bda4e..ec8efa02beda 100644
--- a/include/asm-parisc/ioctl.h
+++ b/include/asm-parisc/ioctl.h
@@ -32,21 +32,6 @@
 * NOTE: This limits the max parameter size to 16kB -1 !
 */
-#define _IOC_NRBITS     8
-#define _IOC_TYPEBITS   8
-#define _IOC_SIZEBITS   14
-#define _IOC_DIRBITS    2
-#define _IOC_NRMASK     ((1 << _IOC_NRBITS)-1)
-#define _IOC_TYPEMASK   ((1 << _IOC_TYPEBITS)-1)
-#define _IOC_SIZEMASK   ((1 << _IOC_SIZEBITS)-1)
-#define _IOC_DIRMASK    ((1 << _IOC_DIRBITS)-1)
-#define _IOC_NRSHIFT    0
-#define _IOC_TYPESHIFT  (_IOC_NRSHIFT+_IOC_NRBITS)
-#define _IOC_SIZESHIFT  (_IOC_TYPESHIFT+_IOC_TYPEBITS)
-#define _IOC_DIRSHIFT   (_IOC_SIZESHIFT+_IOC_SIZEBITS)
 /*
 * Direction bits.
 */
@@ -54,40 +39,6 @@
 #define _IOC_WRITE      2U
 #define _IOC_READ       1U
-#define _IOC(dir,type,nr,size) \
+#include <asm-generic/ioctl.h>
-        (((dir)  << _IOC_DIRSHIFT) | \
-         ((type) << _IOC_TYPESHIFT) | \
-         ((nr)   << _IOC_NRSHIFT) | \
-         ((size) << _IOC_SIZESHIFT))
-/* provoke compile error for invalid uses of size argument */
-extern unsigned int __invalid_size_argument_for_IOC;
-#define _IOC_TYPECHECK(t) \
-        ((sizeof(t) == sizeof(t[1]) && \
-          sizeof(t) < (1 << _IOC_SIZEBITS)) ? \
-          sizeof(t) : __invalid_size_argument_for_IOC)
-/* used to create numbers */
-#define _IO(type,nr)            _IOC(_IOC_NONE,(type),(nr),0)
-#define _IOR(type,nr,size)      _IOC(_IOC_READ,(type),(nr),(_IOC_TYPECHECK(size)))
-#define _IOW(type,nr,size)      _IOC(_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size)))
-#define _IOWR(type,nr,size)     _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size)))
-#define _IOR_BAD(type,nr,size)  _IOC(_IOC_READ,(type),(nr),sizeof(size))
-#define _IOW_BAD(type,nr,size)  _IOC(_IOC_WRITE,(type),(nr),sizeof(size))
-#define _IOWR_BAD(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),sizeof(size))
-/* used to decode ioctl numbers.. */
-#define _IOC_DIR(nr)            (((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK)
-#define _IOC_TYPE(nr)           (((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK)
-#define _IOC_NR(nr)             (((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK)
-#define _IOC_SIZE(nr)           (((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK)
-/* ...and for the drivers/sound files... */
-#define IOC_IN          (_IOC_WRITE << _IOC_DIRSHIFT)
-#define IOC_OUT         (_IOC_READ << _IOC_DIRSHIFT)
-#define IOC_INOUT       ((_IOC_WRITE|_IOC_READ) << _IOC_DIRSHIFT)
-#define IOCSIZE_MASK    (_IOC_SIZEMASK << _IOC_SIZESHIFT)
-#define IOCSIZE_SHIFT   (_IOC_SIZESHIFT)
 #endif /* _ASM_PARISC_IOCTL_H */
diff --git a/include/asm-parisc/ioctls.h b/include/asm-parisc/ioctls.h
index ee84e4172c36..6747fad07a3e 100644
--- a/include/asm-parisc/ioctls.h
+++ b/include/asm-parisc/ioctls.h
@@ -46,6 +46,10 @@
 #define TIOCSBRK        0x5427  /* BSD compatibility */
 #define TIOCCBRK        0x5428  /* BSD compatibility */
 #define TIOCGSID        _IOR('T', 20, int) /* Return the session ID of FD */
+#define TCGETS2         _IOR('T',0x2A, struct termios2)
+#define TCSETS2         _IOW('T',0x2B, struct termios2)
+#define TCSETSW2        _IOW('T',0x2C, struct termios2)
+#define TCSETSF2        _IOW('T',0x2D, struct termios2)
 #define TIOCGPTN        _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
 #define TIOCSPTLCK      _IOW('T',0x31, int)  /* Lock/unlock Pty */
diff --git a/include/asm-parisc/termbits.h b/include/asm-parisc/termbits.h
index e847fe979684..d8bbc73b16b7 100644
--- a/include/asm-parisc/termbits.h
+++ b/include/asm-parisc/termbits.h
@@ -141,6 +141,7 @@ struct ktermios {
 #define HUPCL   0002000
 #define CLOCAL  0004000
 #define CBAUDEX 0010000
+#define    BOTHER 0010000
 #define    B57600 0010001
 #define   B115200 0010002
 #define   B230400 0010003
@@ -156,10 +157,12 @@ struct ktermios {
 #define  B3000000 0010015
 #define  B3500000 0010016
 #define  B4000000 0010017
-#define CIBAUD    002003600000  /* input baud rate (not used) */
+#define CIBAUD    002003600000          /* input baud rate */
 #define CMSPAR    010000000000          /* mark or space (stick) parity */
 #define CRTSCTS   020000000000          /* flow control */
+#define IBSHIFT 16              /* Shift from CBAUD to CIBAUD */
 /* c_lflag bits */
 #define ISIG    0000001
diff --git a/include/asm-parisc/termios.h b/include/asm-parisc/termios.h
index 5345b3420475..a2a57a4548af 100644
--- a/include/asm-parisc/termios.h
+++ b/include/asm-parisc/termios.h
@@ -80,8 +80,10 @@ struct termio {
        copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
 })
-#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios))
+#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2))
-#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios))
+#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2))
+#define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios))
+#define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios))
 #endif  /* __KERNEL__ */
diff --git a/include/asm-powerpc/mmu-hash64.h b/include/asm-powerpc/mmu-hash64.h
index f35d1e164da8..d1dc16afb118 100644
--- a/include/asm-powerpc/mmu-hash64.h
+++ b/include/asm-powerpc/mmu-hash64.h
@@ -177,6 +177,7 @@ extern struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT];
 extern int mmu_linear_psize;
 extern int mmu_virtual_psize;
 extern int mmu_vmalloc_psize;
+extern int mmu_vmemmap_psize;
 extern int mmu_io_psize;
 extern int mmu_kernel_ssize;
 extern int mmu_highuser_ssize;
diff --git a/include/asm-powerpc/pgtable-ppc64.h b/include/asm-powerpc/pgtable-ppc64.h
index 27f18695f7d6..cc6a43ba41d0 100644
--- a/include/asm-powerpc/pgtable-ppc64.h
+++ b/include/asm-powerpc/pgtable-ppc64.h
@@ -65,15 +65,15 @@
 #define VMALLOC_REGION_ID       (REGION_ID(VMALLOC_START))
 #define KERNEL_REGION_ID        (REGION_ID(PAGE_OFFSET))
+#define VMEMMAP_REGION_ID       (0xfUL)
 #define USER_REGION_ID          (0UL)
 /*
- * Defines the address of the vmemap area, in the top 16th of the
+ * Defines the address of the vmemap area, in its own region
- * kernel region.
 */
-#define VMEMMAP_BASE (ASM_CONST(CONFIG_KERNEL_START) + \
+#define VMEMMAP_BASE            (VMEMMAP_REGION_ID << REGION_SHIFT)
-                                        (0xfUL << (REGION_SHIFT - 4)))
+#define vmemmap                 ((struct page *)VMEMMAP_BASE)
-#define vmemmap ((struct page *)VMEMMAP_BASE)
 /*
 * Common bits in a linux-style PTE.  These match the bits in the
diff --git a/include/asm-powerpc/uaccess.h b/include/asm-powerpc/uaccess.h
index 8e798e3758bc..1a0736f8803f 100644
--- a/include/asm-powerpc/uaccess.h
+++ b/include/asm-powerpc/uaccess.h
@@ -380,7 +380,7 @@ static inline unsigned long __copy_from_user_inatomic(void *to,
                const void __user *from, unsigned long n)
 {
        if (__builtin_constant_p(n) && (n <= 8)) {
-                unsigned long ret;
+                unsigned long ret = 1;
                switch (n) {
                case 1:
@@ -406,7 +406,7 @@ static inline unsigned long __copy_to_user_inatomic(void __user *to,
                const void *from, unsigned long n)
 {
        if (__builtin_constant_p(n) && (n <= 8)) {
-                unsigned long ret;
+                unsigned long ret = 1;
                switch (n) {
                case 1:
diff --git a/include/asm-s390/debug.h b/include/asm-s390/debug.h
index 335baf4fc64f..9450ce6e32de 100644
--- a/include/asm-s390/debug.h
+++ b/include/asm-s390/debug.h
@@ -120,10 +120,10 @@ debug_entry_t* debug_exception_common(debug_info_t* id, int level,
 /* Debug Feature API: */
-debug_info_t* debug_register(char* name, int pages, int nr_areas,
+debug_info_t *debug_register(const char *name, int pages, int nr_areas,
                             int buf_size);
-debug_info_t *debug_register_mode(char *name, int pages, int nr_areas,
+debug_info_t *debug_register_mode(const char *name, int pages, int nr_areas,
                                  int buf_size, mode_t mode, uid_t uid,
                                  gid_t gid);
diff --git a/include/asm-sparc/mman.h b/include/asm-sparc/mman.h
index e18be984c01d..3d16b40bb8ef 100644
--- a/include/asm-sparc/mman.h
+++ b/include/asm-sparc/mman.h
@@ -24,9 +24,8 @@
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
-#define arch_mmap_check sparc_mmap_check
+#define arch_mmap_check(addr,len,flags) sparc_mmap_check(addr,len)
-int sparc_mmap_check(unsigned long addr, unsigned long len,
+int sparc_mmap_check(unsigned long addr, unsigned long len);
-                unsigned long flags);
 #endif
 #endif
diff --git a/include/asm-sparc64/mman.h b/include/asm-sparc64/mman.h
index e584563b56eb..625be4d61baf 100644
--- a/include/asm-sparc64/mman.h
+++ b/include/asm-sparc64/mman.h
@@ -24,9 +24,8 @@
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
-#define arch_mmap_check sparc64_mmap_check
+#define arch_mmap_check(addr,len,flags) sparc64_mmap_check(addr,len)
-int sparc64_mmap_check(unsigned long addr, unsigned long len,
+int sparc64_mmap_check(unsigned long addr, unsigned long len);
-                unsigned long flags);
 #endif
 #endif
diff --git a/include/asm-sparc64/thread_info.h b/include/asm-sparc64/thread_info.h
index 71e42d1a80d9..e5873e385306 100644
--- a/include/asm-sparc64/thread_info.h
+++ b/include/asm-sparc64/thread_info.h
@@ -38,7 +38,7 @@ struct thread_info {
        struct task_struct      *task;
        unsigned long           flags;
        __u8                    fpsaved[7];
-        __u8                    pad;
+        __u8                    status;
        unsigned long           ksp;
        /* D$ line 2 */
@@ -217,7 +217,7 @@ register struct thread_info *current_thread_info_reg asm("g6");
 *       nop
 */
 #define TIF_SYSCALL_TRACE       0       /* syscall trace active */
-#define TIF_RESTORE_SIGMASK     1       /* restore signal mask in do_signal() */
+/* flags bit 1 is available */
 #define TIF_SIGPENDING          2       /* signal pending */
 #define TIF_NEED_RESCHED        3       /* rescheduling necessary */
 #define TIF_PERFCTR             4       /* performance counters active */
@@ -244,14 +244,34 @@ register struct thread_info *current_thread_info_reg asm("g6");
 #define _TIF_32BIT              (1<<TIF_32BIT)
 #define _TIF_SECCOMP            (1<<TIF_SECCOMP)
 #define _TIF_SYSCALL_AUDIT      (1<<TIF_SYSCALL_AUDIT)
-#define _TIF_RESTORE_SIGMASK    (1<<TIF_RESTORE_SIGMASK)
 #define _TIF_ABI_PENDING        (1<<TIF_ABI_PENDING)
 #define _TIF_POLLING_NRFLAG     (1<<TIF_POLLING_NRFLAG)
 #define _TIF_USER_WORK_MASK     ((0xff << TI_FLAG_WSAVED_SHIFT) | \
-                                 (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | \
+                                 (_TIF_SIGPENDING | \
                                  _TIF_NEED_RESCHED | _TIF_PERFCTR))
+/*
+ * Thread-synchronous status.
+ *
+ * This is different from the flags in that nobody else
+ * ever touches our thread-synchronous status, so we don't
+ * have to worry about atomic accesses.
+ *
+ * Note that there are only 8 bits available.
+ */
+#define TS_RESTORE_SIGMASK      0x0001  /* restore signal mask in do_signal() */
+#ifndef __ASSEMBLY__
+#define HAVE_SET_RESTORE_SIGMASK        1
+static inline void set_restore_sigmask(void)
+{
+        struct thread_info *ti = current_thread_info();
+        ti->status |= TS_RESTORE_SIGMASK;
+        set_bit(TIF_SIGPENDING, &ti->flags);
+}
+#endif  /* !__ASSEMBLY__ */
 #endif /* __KERNEL__ */
 #endif /* _ASM_THREAD_INFO_H */
diff --git a/include/asm-um/irq.h b/include/asm-um/irq.h
index de389a477cdd..4a2037f8204b 100644
--- a/include/asm-um/irq.h
+++ b/include/asm-um/irq.h
@@ -15,8 +15,9 @@
 #define SIGIO_WRITE_IRQ         11
 #define TELNETD_IRQ             12
 #define XTERM_IRQ               13
+#define RANDOM_IRQ              14
-#define LAST_IRQ XTERM_IRQ
+#define LAST_IRQ RANDOM_IRQ
 #define NR_IRQS (LAST_IRQ + 1)
 #endif
diff --git a/include/asm-um/keyboard.h b/include/asm-um/keyboard.h
deleted file mode 100644
index ee2e2303d0e4..000000000000
--- a/include/asm-um/keyboard.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_KEYBOARD_H
-#define __UM_KEYBOARD_H
-#include "asm/arch/keyboard.h"
-#endif
diff --git a/include/asm-um/page.h b/include/asm-um/page.h
index 381f96b1c825..916e1a61999f 100644
--- a/include/asm-um/page.h
+++ b/include/asm-um/page.h
@@ -7,16 +7,20 @@
 #ifndef __UM_PAGE_H
 #define __UM_PAGE_H
-struct page;
+#include <linux/const.h>
-#include <linux/types.h>
-#include <asm/vm-flags.h>
 /* PAGE_SHIFT determines the page size */
 #define PAGE_SHIFT      12
-#define PAGE_SIZE       (1UL << PAGE_SHIFT)
+#define PAGE_SIZE       (_AC(1, UL) << PAGE_SHIFT)
 #define PAGE_MASK       (~(PAGE_SIZE-1))
+#ifndef __ASSEMBLY__
+struct page;
+#include <linux/types.h>
+#include <asm/vm-flags.h>
 /*
 * These are used to make use of C type-checking..
 */
@@ -120,4 +124,5 @@ extern struct page *arch_validate(struct page *page, gfp_t mask, int order);
 #include <asm-generic/memory_model.h>
 #include <asm-generic/page.h>
-#endif
+#endif  /* __ASSEMBLY__ */
+#endif  /* __UM_PAGE_H */
diff --git a/include/asm-um/param.h b/include/asm-um/param.h
index 4cd4a226f8c1..e44f4e60d16d 100644
--- a/include/asm-um/param.h
+++ b/include/asm-um/param.h
@@ -13,6 +13,8 @@
 #define HZ CONFIG_HZ
 #define USER_HZ 100        /* .. some user interfaces are in "ticks" */
 #define CLOCKS_PER_SEC (USER_HZ)  /* frequency at which times() counts */
+#else
+#define HZ 100
 #endif
 #endif
diff --git a/include/asm-v850/param.h b/include/asm-v850/param.h
index 281832690290..4391f5fe0204 100644
--- a/include/asm-v850/param.h
+++ b/include/asm-v850/param.h
@@ -26,6 +26,8 @@
 # define HZ             CONFIG_HZ
 # define USER_HZ        100
 # define CLOCKS_PER_SEC USER_HZ
+#else
+# define HZ             100
 #endif
 #endif /* __V850_PARAM_H__ */
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h
index 801b31f71452..55c3a0e3a8ce 100644
--- a/include/asm-x86/pgtable.h
+++ b/include/asm-x86/pgtable.h
@@ -57,7 +57,8 @@
 #define _KERNPG_TABLE   (_PAGE_PRESENT | _PAGE_RW | _PAGE_ACCESSED |    \
                         _PAGE_DIRTY)
-#define _PAGE_CHG_MASK  (PTE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY)
+#define _PAGE_CHG_MASK  (PTE_MASK | _PAGE_PCD | _PAGE_PWT |             \
+                         _PAGE_ACCESSED | _PAGE_DIRTY)
 #define _PAGE_CACHE_MASK        (_PAGE_PCD | _PAGE_PWT)
 #define _PAGE_CACHE_WB          (0)
@@ -288,12 +289,21 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
         * Chop off the NX bit (if present), and add the NX portion of
         * the newprot (if present):
         */
-        val &= _PAGE_CHG_MASK & ~_PAGE_NX;
+        val &= _PAGE_CHG_MASK;
-        val |= pgprot_val(newprot) & __supported_pte_mask;
+        val |= pgprot_val(newprot) & (~_PAGE_CHG_MASK) & __supported_pte_mask;
        return __pte(val);
 }
+/* mprotect needs to preserve PAT bits when updating vm_page_prot */
+#define pgprot_modify pgprot_modify
+static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot)
+{
+        pgprotval_t preservebits = pgprot_val(oldprot) & _PAGE_CHG_MASK;
+        pgprotval_t addbits = pgprot_val(newprot);
+        return __pgprot(preservebits | addbits);
+}
 #define pte_pgprot(x) __pgprot(pte_val(x) & (0xfff | _PAGE_NX))
 #define canon_pgprot(p) __pgprot(pgprot_val(p) & __supported_pte_mask)
diff --git a/include/asm-xtensa/param.h b/include/asm-xtensa/param.h
index 82ad34d92d35..ba03d5aeab6b 100644
--- a/include/asm-xtensa/param.h
+++ b/include/asm-xtensa/param.h
@@ -15,6 +15,8 @@
 # define HZ             CONFIG_HZ       /* internal timer frequency */
 # define USER_HZ        100             /* for user interfaces in "ticks" */
 # define CLOCKS_PER_SEC (USER_HZ)       /* frequnzy at which times() counts */
+#else
+# define HZ             100
 #endif
 #define EXEC_PAGESIZE   4096
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index 43b406def35f..1abfe664c444 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -110,7 +110,6 @@ extern int __bitmap_weight(const unsigned long *bitmap, int bits);
 extern int bitmap_scnprintf(char *buf, unsigned int len,
                        const unsigned long *src, int nbits);
-extern int bitmap_scnprintf_len(unsigned int len);
 extern int __bitmap_parse(const char *buf, unsigned int buflen, int is_user,
                        unsigned long *dst, int nbits);
 extern int bitmap_parse_user(const char __user *ubuf, unsigned int ulen,
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 9650806fe2ea..5df3db58fcc6 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -289,13 +289,6 @@ static inline int __cpumask_scnprintf(char *buf, int len,
        return bitmap_scnprintf(buf, len, srcp->bits, nbits);
 }
-#define cpumask_scnprintf_len(len) \
-                        __cpumask_scnprintf_len((len))
-static inline int __cpumask_scnprintf_len(int len)
-{
-        return bitmap_scnprintf_len(len);
-}
 #define cpumask_parse_user(ubuf, ulen, dst) \
                        __cpumask_parse_user((ubuf), (ulen), &(dst), NR_CPUS)
 static inline int __cpumask_parse_user(const char __user *buf, int len,
diff --git a/include/linux/device.h b/include/linux/device.h
index 8c23e3dfe3ac..15e9fa3ad3af 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -183,7 +183,6 @@ struct class {
        struct module           *owner;
        struct kset             subsys;
-        struct list_head        children;
        struct list_head        devices;
        struct list_head        interfaces;
        struct kset             class_dirs;
diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index 5c86f1196c3a..d48282197696 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -109,6 +109,7 @@ struct fuse_file_lock {
 #define FUSE_POSIX_LOCKS        (1 << 1)
 #define FUSE_FILE_OPS           (1 << 2)
 #define FUSE_ATOMIC_O_TRUNC     (1 << 3)
+#define FUSE_BIG_WRITES         (1 << 5)
 /**
 * Release flags
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index e9874e7fcdf9..ae7aec3cabee 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -525,7 +525,7 @@ struct unixware_disklabel {
 #define ADDPART_FLAG_RAID       1
 #define ADDPART_FLAG_WHOLEDISK  2
-extern dev_t blk_lookup_devt(const char *name);
+extern dev_t blk_lookup_devt(const char *name, int part);
 extern char *disk_name (struct gendisk *hd, int part, char *buf);
 extern int rescan_partitions(struct gendisk *disk, struct block_device *bdev);
@@ -553,7 +553,7 @@ static inline struct block_device *bdget_disk(struct gendisk *disk, int index)
 static inline void printk_all_partitions(void) { }
-static inline dev_t blk_lookup_devt(const char *name)
+static inline dev_t blk_lookup_devt(const char *name, int part)
 {
        dev_t devt = MKDEV(0, 0);
        return devt;
diff --git a/include/linux/ide.h b/include/linux/ide.h
index b0135b0c3a04..f8f195c20da2 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -965,7 +965,6 @@ typedef struct ide_task_s {
 void ide_tf_dump(const char *, struct ide_taskfile *);
 extern void SELECT_DRIVE(ide_drive_t *);
-extern void SELECT_MASK(ide_drive_t *, int);
 extern int drive_is_ready(ide_drive_t *);
@@ -1058,8 +1057,8 @@ enum {
        IDE_HFLAG_NO_SET_MODE           = (1 << 9),
        /* trust BIOS for programming chipset/device for DMA */
        IDE_HFLAG_TRUST_BIOS_FOR_DMA    = (1 << 10),
-        /* host uses VDMA (tied with IDE_HFLAG_CS5520 for now) */
+        /* host is CS5510/CS5520 */
-        IDE_HFLAG_VDMA                  = (1 << 11),
+        IDE_HFLAG_CS5520                = (1 << 11),
        /* ATAPI DMA is unsupported */
        IDE_HFLAG_NO_ATAPI_DMA          = (1 << 12),
        /* set if host is a "non-bootable" controller */
@@ -1070,8 +1069,6 @@ enum {
        IDE_HFLAG_NO_AUTODMA            = (1 << 15),
        /* host uses MMIO */
        IDE_HFLAG_MMIO                  = (1 << 16),
-        /* host is CS5510/CS5520 */
-        IDE_HFLAG_CS5520                = IDE_HFLAG_VDMA,
        /* no LBA48 */
        IDE_HFLAG_NO_LBA48              = (1 << 17),
        /* no LBA48 DMA */
@@ -1101,6 +1098,8 @@ enum {
        IDE_HFLAG_NO_IO_32BIT           = (1 << 30),
        /* never unmask IRQs */
        IDE_HFLAG_NO_UNMASK_IRQS        = (1 << 31),
+        /* host uses VDMA (disabled for now) */
+        IDE_HFLAG_VDMA                  = 0,
 };
 #ifdef CONFIG_BLK_DEV_OFFBOARD
diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h
index 82de2fb62cb7..00c1801099fa 100644
--- a/include/linux/kallsyms.h
+++ b/include/linux/kallsyms.h
@@ -83,16 +83,6 @@ __attribute__((format(printf,1,2)));
 static inline void __check_printsym_format(const char *fmt, ...)
 {
 }
-/* ia64 and ppc64 use function descriptors, which contain the real address */
-#if defined(CONFIG_IA64) || defined(CONFIG_PPC64)
-#define print_fn_descriptor_symbol(fmt, addr)           \
-do {                                            \
-        unsigned long *__faddr = (unsigned long*) addr;         \
-        print_symbol(fmt, __faddr[0]);          \
-} while (0)
-#else
-#define print_fn_descriptor_symbol(fmt, addr) print_symbol(fmt, addr)
-#endif
 static inline void print_symbol(const char *fmt, unsigned long addr)
 {
@@ -101,6 +91,20 @@ static inline void print_symbol(const char *fmt, unsigned long addr)
                       __builtin_extract_return_addr((void *)addr));
 }
+/*
+ * Pretty-print a function pointer.
+ *
+ * ia64 and ppc64 function pointers are really function descriptors,
+ * which contain a pointer the real address.
+ */
+static inline void print_fn_descriptor_symbol(const char *fmt, void *addr)
+{
+#if defined(CONFIG_IA64) || defined(CONFIG_PPC64)
+        addr = *(void **)addr;
+#endif
+        print_symbol(fmt, (unsigned long)addr);
+}
 #ifndef CONFIG_64BIT
 #define print_ip_sym(ip)                \
 do {                                    \
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 4d46e299afb5..792bf0aa779b 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -276,7 +276,17 @@ extern void print_hex_dump(const char *level, const char *prefix_str,
                                const void *buf, size_t len, bool ascii);
 extern void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
                        const void *buf, size_t len);
-#define hex_asc(x)      "0123456789abcdef"[x]
+extern const char hex_asc[];
+#define hex_asc_lo(x)   hex_asc[((x) & 0x0f)]
+#define hex_asc_hi(x)   hex_asc[((x) & 0xf0) >> 4]
+static inline char *pack_hex_byte(char *buf, u8 byte)
+{
+        *buf++ = hex_asc_hi(byte);
+        *buf++ = hex_asc_lo(byte);
+        return buf;
+}
 #define pr_emerg(fmt, arg...) \
        printk(KERN_EMERG fmt, ##arg)
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index eb7c16cc9559..02a27ae78539 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -226,8 +226,17 @@ struct mm_struct {
        rwlock_t                ioctx_list_lock;        /* aio lock */
        struct kioctx           *ioctx_list;
 #ifdef CONFIG_MM_OWNER
-        struct task_struct *owner;      /* The thread group leader that */
+        /*
-                                        /* owns the mm_struct.          */
+         * "owner" points to a task that is regarded as the canonical
+         * user/owner of this mm. All of the following must be true in
+         * order for it to be changed:
+         *
+         * current == mm->owner
+         * current->mm != mm
+         * new_owner->mm == mm
+         * new_owner->alloc_lock is held
+         */
+        struct task_struct *owner;
 #endif
 #ifdef CONFIG_PROC_FS
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 7c1d4466583b..b11e6e19e96c 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -93,14 +93,16 @@ struct wireless_dev;
 *      used.
 */
 
-#if !defined(CONFIG_AX25) && !defined(CONFIG_AX25_MODULE) && !defined(CONFIG_TR)
+#if defined(CONFIG_WLAN_80211) || defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
-#define LL_MAX_HEADER   32
+# if defined(CONFIG_MAC80211_MESH)
+#  define LL_MAX_HEADER 128
+# else
+#  define LL_MAX_HEADER 96
+# endif
+#elif defined(CONFIG_TR)
+# define LL_MAX_HEADER 48
 #else
-#if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
+# define LL_MAX_HEADER 32
-#define LL_MAX_HEADER   96
-#else
-#define LL_MAX_HEADER   48
-#endif
 #endif
 #if !defined(CONFIG_NET_IPIP) && !defined(CONFIG_NET_IPIP_MODULE) && \
@@ -244,11 +246,16 @@ struct hh_cache
 *
 * We could use other alignment values, but we must maintain the
 * relationship HH alignment <= LL alignment.
+ *
+ * LL_ALLOCATED_SPACE also takes into account the tailroom the device
+ * may need.
 */
 #define LL_RESERVED_SPACE(dev) \
-        (((dev)->hard_header_len&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+        ((((dev)->hard_header_len+(dev)->needed_headroom)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
 #define LL_RESERVED_SPACE_EXTRA(dev,extra) \
-        ((((dev)->hard_header_len+extra)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+        ((((dev)->hard_header_len+(dev)->needed_headroom+(extra))&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+#define LL_ALLOCATED_SPACE(dev) \
+        ((((dev)->hard_header_len+(dev)->needed_headroom+(dev)->needed_tailroom)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
 struct header_ops {
        int     (*create) (struct sk_buff *skb, struct net_device *dev,
@@ -567,6 +574,13 @@ struct net_device
        unsigned short          type;   /* interface hardware type      */
        unsigned short          hard_header_len;        /* hardware hdr length  */
+        /* extra head- and tailroom the hardware may need, but not in all cases
+         * can this be guaranteed, especially tailroom. Some cases also use
+         * LL_MAX_HEADER instead to allocate the skb.
+         */
+        unsigned short          needed_headroom;
+        unsigned short          needed_tailroom;
        struct net_device       *master; /* Pointer to master device of a group,
                                          * which this device is member of.
                                          */
@@ -715,6 +729,9 @@ struct net_device
        struct net              *nd_net;
 #endif
+        /* mid-layer private */
+        void                    *ml_priv;
        /* bridge stuff */
        struct net_bridge_port  *br_port;
        /* macvlan */
diff --git a/include/linux/parser.h b/include/linux/parser.h
index 26b2bdfcaf06..7dcd05075756 100644
--- a/include/linux/parser.h
+++ b/include/linux/parser.h
@@ -29,5 +29,5 @@ int match_token(char *, match_table_t table, substring_t args[]);
 int match_int(substring_t *, int *result);
 int match_octal(substring_t *, int *result);
 int match_hex(substring_t *, int *result);
-void match_strcpy(char *, const substring_t *);
+size_t match_strlcpy(char *, const substring_t *, size_t);
 char *match_strdup(const substring_t *);
diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index d746a2abb322..4cdd393e71e1 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -13,8 +13,14 @@
        __attribute__((__section__(".data.percpu")))                    \
        PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name
+#ifdef MODULE
+#define SHARED_ALIGNED_SECTION ".data.percpu"
+#else
+#define SHARED_ALIGNED_SECTION ".data.percpu.shared_aligned"
+#endif
 #define DEFINE_PER_CPU_SHARED_ALIGNED(type, name)                       \
-        __attribute__((__section__(".data.percpu.shared_aligned")))     \
+        __attribute__((__section__(SHARED_ALIGNED_SECTION)))            \
        PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name             \
        ____cacheline_aligned_in_smp
 #else
diff --git a/include/linux/usb/association.h b/include/linux/usb/association.h
new file mode 100644
index 000000000000..07c5e3cf5898
--- /dev/null
+++ b/include/linux/usb/association.h
@@ -0,0 +1,150 @@
+/*
+ * Wireless USB - Cable Based Association
+ *
+ * Copyright (C) 2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ */
+#ifndef __LINUX_USB_ASSOCIATION_H
+#define __LINUX_USB_ASSOCIATION_H
+/*
+ * Association attributes
+ *
+ * Association Models Supplement to WUSB 1.0 T[3-1]
+ *
+ * Each field in the structures has it's ID, it's length and then the
+ * value. This is the actual definition of the field's ID and its
+ * length.
+ */
+struct wusb_am_attr {
+        __u8 id;
+        __u8 len;
+};
+/* Different fields defined by the spec */
+#define WUSB_AR_AssociationTypeId       { .id = 0x0000, .len =  2 }
+#define WUSB_AR_AssociationSubTypeId    { .id = 0x0001, .len =  2 }
+#define WUSB_AR_Length                  { .id = 0x0002, .len =  4 }
+#define WUSB_AR_AssociationStatus       { .id = 0x0004, .len =  4 }
+#define WUSB_AR_LangID                  { .id = 0x0008, .len =  2 }
+#define WUSB_AR_DeviceFriendlyName      { .id = 0x000b, .len = 64 } /* max */
+#define WUSB_AR_HostFriendlyName        { .id = 0x000c, .len = 64 } /* max */
+#define WUSB_AR_CHID                    { .id = 0x1000, .len = 16 }
+#define WUSB_AR_CDID                    { .id = 0x1001, .len = 16 }
+#define WUSB_AR_ConnectionContext       { .id = 0x1002, .len = 48 }
+#define WUSB_AR_BandGroups              { .id = 0x1004, .len =  2 }
+/* CBAF Control Requests (AMS1.0[T4-1] */
+enum {
+        CBAF_REQ_GET_ASSOCIATION_INFORMATION = 0x01,
+        CBAF_REQ_GET_ASSOCIATION_REQUEST,
+        CBAF_REQ_SET_ASSOCIATION_RESPONSE
+};
+/*
+ * CBAF USB-interface defitions
+ *
+ * No altsettings, one optional interrupt endpoint.
+ */
+enum {
+        CBAF_IFACECLASS    = 0xef,
+        CBAF_IFACESUBCLASS = 0x03,
+        CBAF_IFACEPROTOCOL = 0x01,
+};
+/* Association Information (AMS1.0[T4-3]) */
+struct wusb_cbaf_assoc_info {
+        __le16 Length;
+        __u8 NumAssociationRequests;
+        __le16 Flags;
+        __u8 AssociationRequestsArray[];
+} __attribute__((packed));
+/* Association Request (AMS1.0[T4-4]) */
+struct wusb_cbaf_assoc_request {
+        __u8 AssociationDataIndex;
+        __u8 Reserved;
+        __le16 AssociationTypeId;
+        __le16 AssociationSubTypeId;
+        __le32 AssociationTypeInfoSize;
+} __attribute__((packed));
+enum {
+        AR_TYPE_WUSB                    = 0x0001,
+        AR_TYPE_WUSB_RETRIEVE_HOST_INFO = 0x0000,
+        AR_TYPE_WUSB_ASSOCIATE          = 0x0001,
+};
+/* Association Attribute header (AMS1.0[3.8]) */
+struct wusb_cbaf_attr_hdr {
+        __le16 id;
+        __le16 len;
+} __attribute__((packed));
+/* Host Info (AMS1.0[T4-7]) (yeah, more headers and fields...) */
+struct wusb_cbaf_host_info {
+        struct wusb_cbaf_attr_hdr AssociationTypeId_hdr;
+        __le16 AssociationTypeId;
+        struct wusb_cbaf_attr_hdr AssociationSubTypeId_hdr;
+        __le16 AssociationSubTypeId;
+        struct wusb_cbaf_attr_hdr CHID_hdr;
+        struct wusb_ckhdid CHID;
+        struct wusb_cbaf_attr_hdr LangID_hdr;
+        __le16 LangID;
+        struct wusb_cbaf_attr_hdr HostFriendlyName_hdr;
+        __u8 HostFriendlyName[];
+} __attribute__((packed));
+/* Device Info (AMS1.0[T4-8])
+ *
+ * I still don't get this tag'n'header stuff for each goddamn
+ * field...
+ */
+struct wusb_cbaf_device_info {
+        struct wusb_cbaf_attr_hdr Length_hdr;
+        __le32 Length;
+        struct wusb_cbaf_attr_hdr CDID_hdr;
+        struct wusb_ckhdid CDID;
+        struct wusb_cbaf_attr_hdr BandGroups_hdr;
+        __le16 BandGroups;
+        struct wusb_cbaf_attr_hdr LangID_hdr;
+        __le16 LangID;
+        struct wusb_cbaf_attr_hdr DeviceFriendlyName_hdr;
+        __u8 DeviceFriendlyName[];
+} __attribute__((packed));
+/* Connection Context; CC_DATA - Success case (AMS1.0[T4-9]) */
+struct wusb_cbaf_cc_data {
+        struct wusb_cbaf_attr_hdr AssociationTypeId_hdr;
+        __le16 AssociationTypeId;
+        struct wusb_cbaf_attr_hdr AssociationSubTypeId_hdr;
+        __le16 AssociationSubTypeId;
+        struct wusb_cbaf_attr_hdr Length_hdr;
+        __le32 Length;
+        struct wusb_cbaf_attr_hdr ConnectionContext_hdr;
+        struct wusb_ckhdid CHID;
+        struct wusb_ckhdid CDID;
+        struct wusb_ckhdid CK;
+        struct wusb_cbaf_attr_hdr BandGroups_hdr;
+        __le16 BandGroups;
+} __attribute__((packed));
+/* CC_DATA - Failure case (AMS1.0[T4-10]) */
+struct wusb_cbaf_cc_data_fail {
+        struct wusb_cbaf_attr_hdr AssociationTypeId_hdr;
+        __le16 AssociationTypeId;
+        struct wusb_cbaf_attr_hdr AssociationSubTypeId_hdr;
+        __le16 AssociationSubTypeId;
+        struct wusb_cbaf_attr_hdr Length_hdr;
+        __le16 Length;
+        struct wusb_cbaf_attr_hdr AssociationStatus_hdr;
+        __u32 AssociationStatus;
+} __attribute__((packed));
+#endif  /* __LINUX_USB_ASSOCIATION_H */
diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h
index 585eb4496990..b3d3e27c6299 100644
--- a/include/net/9p/9p.h
+++ b/include/net/9p/9p.h
@@ -29,14 +29,31 @@
 #ifdef CONFIG_NET_9P_DEBUG
-#define P9_DEBUG_ERROR          (1<<0)
+/**
-#define P9_DEBUG_9P             (1<<2)
+ * enum p9_debug_flags - bits for mount time debug parameter
-#define P9_DEBUG_VFS            (1<<3)
+ * @P9_DEBUG_ERROR: more verbose error messages including original error string
-#define P9_DEBUG_CONV           (1<<4)
+ * @P9_DEBUG_9P: 9P protocol tracing
-#define P9_DEBUG_MUX            (1<<5)
+ * @P9_DEBUG_VFS: VFS API tracing
-#define P9_DEBUG_TRANS          (1<<6)
+ * @P9_DEBUG_CONV: protocol conversion tracing
-#define P9_DEBUG_SLABS          (1<<7)
+ * @P9_DEBUG_MUX: trace management of concurrent transactions
-#define P9_DEBUG_FCALL          (1<<8)
+ * @P9_DEBUG_TRANS: transport tracing
+ * @P9_DEBUG_SLABS: memory management tracing
+ * @P9_DEBUG_FCALL: verbose dump of protocol messages
+ *
+ * These flags are passed at mount time to turn on various levels of
+ * verbosity and tracing which will be output to the system logs.
+ */
+enum p9_debug_flags {
+        P9_DEBUG_ERROR =        (1<<0),
+        P9_DEBUG_9P =           (1<<2),
+        P9_DEBUG_VFS =          (1<<3),
+        P9_DEBUG_CONV =         (1<<4),
+        P9_DEBUG_MUX =          (1<<5),
+        P9_DEBUG_TRANS =        (1<<6),
+        P9_DEBUG_SLABS =        (1<<7),
+        P9_DEBUG_FCALL =        (1<<8),
+};
 extern unsigned int p9_debug_level;
@@ -62,9 +79,47 @@ do { \
                format , __FUNCTION__, task_pid_nr(current), ## arg); \
 } while (0)
+/**
+ * enum p9_msg_t - 9P message types
+ * @P9_TVERSION: version handshake request
+ * @P9_RVERSION: version handshake response
+ * @P9_TAUTH: request to establish authentication channel
+ * @P9_RAUTH: response with authentication information
+ * @P9_TATTACH: establish user access to file service
+ * @P9_RATTACH: response with top level handle to file hierarchy
+ * @P9_TERROR: not used
+ * @P9_RERROR: response for any failed request
+ * @P9_TFLUSH: request to abort a previous request
+ * @P9_RFLUSH: response when previous request has been cancelled
+ * @P9_TWALK: descend a directory hierarchy
+ * @P9_RWALK: response with new handle for position within hierarchy
+ * @P9_TOPEN: prepare a handle for I/O on an existing file
+ * @P9_ROPEN: response with file access information
+ * @P9_TCREATE: prepare a handle for I/O on a new file
+ * @P9_RCREATE: response with file access information
+ * @P9_TREAD: request to transfer data from a file or directory
+ * @P9_RREAD: response with data requested
+ * @P9_TWRITE: reuqest to transfer data to a file
+ * @P9_RWRITE: response with out much data was transfered to file
+ * @P9_TCLUNK: forget about a handle to an entity within the file system
+ * @P9_RCLUNK: response when server has forgotten about the handle
+ * @P9_TREMOVE: request to remove an entity from the hierarchy
+ * @P9_RREMOVE: response when server has removed the entity
+ * @P9_TSTAT: request file entity attributes
+ * @P9_RSTAT: response with file entity attributes
+ * @P9_TWSTAT: request to update file entity attributes
+ * @P9_RWSTAT: response when file entity attributes are updated
+ *
+ * There are 14 basic operations in 9P2000, paired as
+ * requests and responses.  The one special case is ERROR
+ * as there is no @P9_TERROR request for clients to transmit to
+ * the server, but the server may respond to any other request
+ * with an @P9_RERROR.
+ *
+ * See Also: http://plan9.bell-labs.com/sys/man/5/INDEX.html
+ */
-/* Message Types */
+enum p9_msg_t {
-enum {
        P9_TVERSION = 100,
        P9_RVERSION,
        P9_TAUTH = 102,
@@ -95,30 +150,71 @@ enum {
        P9_RWSTAT,
 };
-/* open modes */
+/**
-enum {
+ * enum p9_open_mode_t - 9P open modes
+ * @P9_OREAD: open file for reading only
+ * @P9_OWRITE: open file for writing only
+ * @P9_ORDWR: open file for reading or writing
+ * @P9_OEXEC: open file for execution
+ * @P9_OTRUNC: truncate file to zero-length before opening it
+ * @P9_OREXEC: close the file when an exec(2) system call is made
+ * @P9_ORCLOSE: remove the file when the file is closed
+ * @P9_OAPPEND: open the file and seek to the end
+ * @P9_OEXCL: only create a file, do not open it
+ *
+ * 9P open modes differ slightly from Posix standard modes.
+ * In particular, there are extra modes which specify different
+ * semantic behaviors than may be available on standard Posix
+ * systems.  For example, @P9_OREXEC and @P9_ORCLOSE are modes that
+ * most likely will not be issued from the Linux VFS client, but may
+ * be supported by servers.
+ *
+ * See Also: http://plan9.bell-labs.com/magic/man2html/2/open
+ */
+enum p9_open_mode_t {
        P9_OREAD = 0x00,
        P9_OWRITE = 0x01,
        P9_ORDWR = 0x02,
        P9_OEXEC = 0x03,
-        P9_OEXCL = 0x04,
        P9_OTRUNC = 0x10,
        P9_OREXEC = 0x20,
        P9_ORCLOSE = 0x40,
        P9_OAPPEND = 0x80,
-};
+        P9_OEXCL = 0x1000,
+};
-/* permissions */
-enum {
+/**
+ * enum p9_perm_t - 9P permissions
+ * @P9_DMDIR: mode bite for directories
+ * @P9_DMAPPEND: mode bit for is append-only
+ * @P9_DMEXCL: mode bit for excluse use (only one open handle allowed)
+ * @P9_DMMOUNT: mode bite for mount points
+ * @P9_DMAUTH: mode bit for authentication file
+ * @P9_DMTMP: mode bit for non-backed-up files
+ * @P9_DMSYMLINK: mode bit for symbolic links (9P2000.u)
+ * @P9_DMLINK: mode bit for hard-link (9P2000.u)
+ * @P9_DMDEVICE: mode bit for device files (9P2000.u)
+ * @P9_DMNAMEDPIPE: mode bit for named pipe (9P2000.u)
+ * @P9_DMSOCKET: mode bit for socket (9P2000.u)
+ * @P9_DMSETUID: mode bit for setuid (9P2000.u)
+ * @P9_DMSETGID: mode bit for setgid (9P2000.u)
+ * @P9_DMSETVTX: mode bit for sticky bit (9P2000.u)
+ *
+ * 9P permissions differ slightly from Posix standard modes.
+ *
+ * See Also: http://plan9.bell-labs.com/magic/man2html/2/stat
+ */
+enum p9_perm_t {
        P9_DMDIR = 0x80000000,
        P9_DMAPPEND = 0x40000000,
        P9_DMEXCL = 0x20000000,
        P9_DMMOUNT = 0x10000000,
        P9_DMAUTH = 0x08000000,
        P9_DMTMP = 0x04000000,
+/* 9P2000.u extensions */
        P9_DMSYMLINK = 0x02000000,
        P9_DMLINK = 0x01000000,
-        /* 9P2000.u extensions */
        P9_DMDEVICE = 0x00800000,
        P9_DMNAMEDPIPE = 0x00200000,
        P9_DMSOCKET = 0x00100000,
@@ -127,8 +223,26 @@ enum {
        P9_DMSETVTX = 0x00010000,
 };
-/* qid.types */
+/**
-enum {
+ * enum p9_qid_t - QID types
+ * @P9_QTDIR: directory
+ * @P9_QTAPPEND: append-only
+ * @P9_QTEXCL: excluse use (only one open handle allowed)
+ * @P9_QTMOUNT: mount points
+ * @P9_QTAUTH: authentication file
+ * @P9_QTTMP: non-backed-up files
+ * @P9_QTSYMLINK: symbolic links (9P2000.u)
+ * @P9_QTLINK: hard-link (9P2000.u)
+ * @P9_QTFILE: normal files
+ *
+ * QID types are a subset of permissions - they are primarily
+ * used to differentiate semantics for a file system entity via
+ * a jump-table.  Their value is also the most signifigant 16 bits
+ * of the permission_t
+ *
+ * See Also: http://plan9.bell-labs.com/magic/man2html/2/stat
+ */
+enum p9_qid_t {
        P9_QTDIR = 0x80,
        P9_QTAPPEND = 0x40,
        P9_QTEXCL = 0x20,
@@ -140,6 +254,7 @@ enum {
        P9_QTFILE = 0x00,
 };
+/* 9P Magic Numbers */
 #define P9_NOTAG        (u16)(~0)
 #define P9_NOFID        (u32)(~0)
 #define P9_MAXWELEM     16
@@ -147,19 +262,69 @@ enum {
 /* ample room for Twrite/Rread header */
 #define P9_IOHDRSZ      24
+/**
+ * struct p9_str - length prefixed string type
+ * @len: length of the string
+ * @str: the string
+ *
+ * The protocol uses length prefixed strings for all
+ * string data, so we replicate that for our internal
+ * string members.
+ */
 struct p9_str {
        u16 len;
        char *str;
 };
-/* qids are the unique ID for a file (like an inode */
+/**
+ * struct p9_qid - file system entity information
+ * @type: 8-bit type &p9_qid_t
+ * @version: 16-bit monotonically incrementing version number
+ * @path: 64-bit per-server-unique ID for a file system element
+ *
+ * qids are identifiers used by 9P servers to track file system
+ * entities.  The type is used to differentiate semantics for operations
+ * on the entity (ie. read means something different on a directory than
+ * on a file).  The path provides a server unique index for an entity
+ * (roughly analogous to an inode number), while the version is updated
+ * every time a file is modified and can be used to maintain cache
+ * coherency between clients and serves.
+ * Servers will often differentiate purely synthetic entities by setting
+ * their version to 0, signaling that they should never be cached and
+ * should be accessed synchronously.
+ *
+ * See Also://plan9.bell-labs.com/magic/man2html/2/stat
+ */
 struct p9_qid {
        u8 type;
        u32 version;
        u64 path;
 };
-/* Plan 9 file metadata (stat) structure */
+/**
+ * struct p9_stat - file system metadata information
+ * @size: length prefix for this stat structure instance
+ * @type: the type of the server (equivilent to a major number)
+ * @dev: the sub-type of the server (equivilent to a minor number)
+ * @qid: unique id from the server of type &p9_qid
+ * @mode: Plan 9 format permissions of type &p9_perm_t
+ * @atime: Last access/read time
+ * @mtime: Last modify/write time
+ * @length: file length
+ * @name: last element of path (aka filename) in type &p9_str
+ * @uid: owner name in type &p9_str
+ * @gid: group owner in type &p9_str
+ * @muid: last modifier in type &p9_str
+ * @extension: area used to encode extended UNIX support in type &p9_str
+ * @n_uid: numeric user id of owner (part of 9p2000.u extension)
+ * @n_gid: numeric group id (part of 9p2000.u extension)
+ * @n_muid: numeric user id of laster modifier (part of 9p2000.u extension)
+ *
+ * See Also: http://plan9.bell-labs.com/magic/man2html/2/stat
+ */
 struct p9_stat {
        u16 size;
        u16 type;
@@ -179,10 +344,14 @@ struct p9_stat {
        u32 n_muid;                     /* 9p2000.u extensions */
 };
-/* file metadata (stat) structure used to create Twstat message
+/*
-   The is similar to p9_stat, but the strings don't point to
+ * file metadata (stat) structure used to create Twstat message
-   the same memory block and should be freed separately
+ * The is identical to &p9_stat, but the strings don't point to
-*/
+ * the same memory block and should be freed separately
+ *
+ * See Also: http://plan9.bell-labs.com/magic/man2html/2/stat
+ */
 struct p9_wstat {
        u16 size;
        u16 type;
@@ -335,10 +504,20 @@ struct p9_twstat {
 struct p9_rwstat {
 };
-/*
+/**
-  * fcall is the primary packet structure
+ * struct p9_fcall - primary packet structure
-  *
+ * @size: prefixed length of the structure
-  */
+ * @id: protocol operating identifier of type &p9_msg_t
+ * @tag: transaction id of the request
+ * @sdata: payload
+ * @params: per-operation parameters
+ *
+ * &p9_fcall represents the structure for all 9P RPC
+ * transactions.  Requests are packaged into fcalls, and reponses
+ * must be extracted from them.
+ *
+ * See Also: http://plan9.bell-labs.com/magic/man2html/2/fcall
+ */
 struct p9_fcall {
        u32 size;
@@ -416,4 +595,5 @@ int p9_idpool_check(int id, struct p9_idpool *p);
 int p9_error_init(void);
 int p9_errstr2errno(char *, int);
+int p9_trans_fd_init(void);
 #endif /* NET_9P_H */
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index e52f93d9ac5f..c936dd14de41 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -26,6 +26,23 @@
 #ifndef NET_9P_CLIENT_H
 #define NET_9P_CLIENT_H
+/**
+ * struct p9_client - per client instance state
+ * @lock: protect @fidlist
+ * @msize: maximum data size negotiated by protocol
+ * @dotu: extension flags negotiated by protocol
+ * @trans_mod: module API instantiated with this client
+ * @trans: tranport instance state and API
+ * @conn: connection state information used by trans_fd
+ * @fidpool: fid handle accounting for session
+ * @fidlist: List of active fid handles
+ *
+ * The client structure is used to keep track of various per-client
+ * state that has been instantiated.
+ *
+ * Bugs: duplicated data and potentially unnecessary elements.
+ */
 struct p9_client {
        spinlock_t lock; /* protect client structure */
        int msize;
@@ -38,6 +55,24 @@ struct p9_client {
        struct list_head fidlist;
 };
+/**
+ * struct p9_fid - file system entity handle
+ * @clnt: back pointer to instantiating &p9_client
+ * @fid: numeric identifier for this handle
+ * @mode: current mode of this fid (enum?)
+ * @qid: the &p9_qid server identifier this handle points to
+ * @iounit: the server reported maximum transaction size for this file
+ * @uid: the numeric uid of the local user who owns this handle
+ * @aux: transport specific information (unused?)
+ * @rdir_fpos: tracks offset of file position when reading directory contents
+ * @rdir_pos: (unused?)
+ * @rdir_fcall: holds response of last directory read request
+ * @flist: per-client-instance fid tracking
+ * @dlist: per-dentry fid tracking
+ *
+ * TODO: This needs lots of explanation.
+ */
 struct p9_fid {
        struct p9_client *clnt;
        u32 fid;
diff --git a/include/net/9p/transport.h b/include/net/9p/transport.h
index d2209ae9d18b..0db3a4038dc0 100644
--- a/include/net/9p/transport.h
+++ b/include/net/9p/transport.h
@@ -26,12 +26,40 @@
 #ifndef NET_9P_TRANSPORT_H
 #define NET_9P_TRANSPORT_H
+/**
+ * enum p9_trans_status - different states of underlying transports
+ * @Connected: transport is connected and healthy
+ * @Disconnected: transport has been disconnected
+ * @Hung: transport is connected by wedged
+ *
+ * This enumeration details the various states a transport
+ * instatiation can be in.
+ */
 enum p9_trans_status {
        Connected,
        Disconnected,
        Hung,
 };
+/**
+ * struct p9_trans - per-transport state and API
+ * @status: transport &p9_trans_status
+ * @msize: negotiated maximum packet size (duplicate from client)
+ * @extended: negotiated protocol extensions (duplicate from client)
+ * @priv: transport private data
+ * @close: member function to disconnect and close the transport
+ * @rpc: member function to issue a request to the transport
+ *
+ * This is the basic API for a transport instance.  It is used as
+ * a handle by the client to issue requests.  This interface is currently
+ * in flux during reorganization.
+ *
+ * Bugs: there is lots of duplicated data here and its not clear that
+ * the member functions need to be per-instance versus per transport
+ * module.
+ */
 struct p9_trans {
        enum p9_trans_status status;
        int msize;
@@ -42,6 +70,21 @@ struct p9_trans {
                                                        struct p9_fcall **rc);
 };
+/**
+ * struct p9_trans_module - transport module interface
+ * @list: used to maintain a list of currently available transports
+ * @name: the human-readable name of the transport
+ * @maxsize: transport provided maximum packet size
+ * @def: set if this transport should be considered the default
+ * @create: member function to create a new connection on this transport
+ *
+ * This is the basic API for a transport module which is registered by the
+ * transport module with the 9P core network module and used by the client
+ * to instantiate a new connection on a transport.
+ *
+ * Bugs: the transport module list isn't protected.
+ */
 struct p9_trans_module {
        struct list_head list;
        char *name;             /* name of transport */
@@ -53,5 +96,4 @@ struct p9_trans_module {
 void v9fs_register_trans(struct p9_trans_module *m);
 struct p9_trans_module *v9fs_match_trans(const substring_t *name);
 struct p9_trans_module *v9fs_default_trans(void);
 #endif /* NET_9P_TRANSPORT_H */
diff --git a/include/net/irda/discovery.h b/include/net/irda/discovery.h
index e4efad1f9eff..0ce93398720d 100644
--- a/include/net/irda/discovery.h
+++ b/include/net/irda/discovery.h
@@ -57,9 +57,6 @@ typedef union {
        __u8  byte[2];
 } __u16_host_order;
-/* Same purpose, different application */
-#define u16ho(array) (* ((__u16 *) array))
 /* Types of discovery */
 typedef enum {
        DISCOVERY_LOG,          /* What's in our discovery log */
diff --git a/include/net/syncppp.h b/include/net/syncppp.h
index 877efa434700..e43f4070d892 100644
--- a/include/net/syncppp.h
+++ b/include/net/syncppp.h
@@ -59,7 +59,7 @@ struct ppp_device
 static inline struct sppp *sppp_of(struct net_device *dev) 
 {
-        struct ppp_device **ppp = dev->priv;
+        struct ppp_device **ppp = dev->ml_priv;
        BUG_ON((*ppp)->dev != dev);
        return &(*ppp)->sppp;
 }
diff --git a/include/sound/soc.h b/include/sound/soc.h
index e6ea6f750941..d3c8c033dff8 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -238,7 +238,7 @@ int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
        struct snd_ctl_elem_info *uinfo);
 int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol,
        struct snd_ctl_elem_info *uinfo);
-#define snd_soc_info_bool_ext           snd_ctl_boolean_mono
+#define snd_soc_info_bool_ext           snd_ctl_boolean_mono_info
 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
        struct snd_ctl_elem_value *ucontrol);
 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
diff --git a/init/do_mounts.c b/init/do_mounts.c
index 3885e70e7759..660c1e50c91b 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -76,6 +76,7 @@ dev_t name_to_dev_t(char *name)
        char s[32];
        char *p;
        dev_t res = 0;
+        int part;
        if (strncmp(name, "/dev/", 5) != 0) {
                unsigned maj, min;
@@ -106,7 +107,31 @@ dev_t name_to_dev_t(char *name)
        for (p = s; *p; p++)
                if (*p == '/')
                        *p = '!';
-        res = blk_lookup_devt(s);
+        res = blk_lookup_devt(s, 0);
+        if (res)
+                goto done;
+        /*
+         * try non-existant, but valid partition, which may only exist
+         * after revalidating the disk, like partitioned md devices
+         */
+        while (p > s && isdigit(p[-1]))
+                p--;
+        if (p == s || !*p || *p == '0')
+                goto fail;
+        /* try disk name without <part number> */
+        part = simple_strtoul(p, NULL, 10);
+        *p = '\0';
+        res = blk_lookup_devt(s, part);
+        if (res)
+                goto done;
+        /* try disk name without p<part number> */
+        if (p < s + 2 || !isdigit(p[-2]) || p[-1] != 'p')
+                goto fail;
+        p[-1] = '\0';
+        res = blk_lookup_devt(s, part);
        if (res)
                goto done;
diff --git a/init/main.c b/init/main.c
index ddada7acf363..f7fb20021d48 100644
--- a/init/main.c
+++ b/init/main.c
@@ -693,55 +693,57 @@ static int __init initcall_debug_setup(char *str)
 }
 __setup("initcall_debug", initcall_debug_setup);
-extern initcall_t __initcall_start[], __initcall_end[];
+static void __init do_one_initcall(initcall_t fn)
-static void __init do_initcalls(void)
 {
-        initcall_t *call;
        int count = preempt_count();
+        ktime_t t0, t1, delta;
+        char msgbuf[64];
+        int result;
-        for (call = __initcall_start; call < __initcall_end; call++) {
+        if (initcall_debug) {
-                ktime_t t0, t1, delta;
+                print_fn_descriptor_symbol("calling  %s\n", fn);
-                char *msg = NULL;
+                t0 = ktime_get();
-                char msgbuf[40];
+        }
-                int result;
-                if (initcall_debug) {
+        result = fn();
-                        print_fn_descriptor_symbol("calling  %s()\n",
-                                        (unsigned long) *call);
-                        t0 = ktime_get();
-                }
-                result = (*call)();
+        if (initcall_debug) {
+                t1 = ktime_get();
+                delta = ktime_sub(t1, t0);
-                if (initcall_debug) {
+                print_fn_descriptor_symbol("initcall %s", fn);
-                        t1 = ktime_get();
+                printk(" returned %d after %Ld msecs\n", result,
-                        delta = ktime_sub(t1, t0);
+                        (unsigned long long) delta.tv64 >> 20);
+        }
-                        print_fn_descriptor_symbol("initcall %s()",
+        msgbuf[0] = 0;
-                                        (unsigned long) *call);
-                        printk(" returned %d after %Ld msecs\n", result,
-                                (unsigned long long) delta.tv64 >> 20);
-                }
-                if (result && result != -ENODEV && initcall_debug) {
+        if (result && result != -ENODEV && initcall_debug)
-                        sprintf(msgbuf, "error code %d", result);
+                sprintf(msgbuf, "error code %d ", result);
-                        msg = msgbuf;
-                }
+        if (preempt_count() != count) {
-                if (preempt_count() != count) {
+                strlcat(msgbuf, "preemption imbalance ", sizeof(msgbuf));
-                        msg = "preemption imbalance";
+                preempt_count() = count;
-                        preempt_count() = count;
+        }
-                }
+        if (irqs_disabled()) {
-                if (irqs_disabled()) {
+                strlcat(msgbuf, "disabled interrupts ", sizeof(msgbuf));
-                        msg = "disabled interrupts";
+                local_irq_enable();
-                        local_irq_enable();
+        }
-                }
+        if (msgbuf[0]) {
-                if (msg) {
+                print_fn_descriptor_symbol(KERN_WARNING "initcall %s", fn);
-                        print_fn_descriptor_symbol(KERN_WARNING "initcall %s()",
+                printk(" returned with %s\n", msgbuf);
-                                        (unsigned long) *call);
-                        printk(" returned with %s\n", msg);
-                }
        }
+}
+extern initcall_t __initcall_start[], __initcall_end[];
+static void __init do_initcalls(void)
+{
+        initcall_t *call;
+        for (call = __initcall_start; call < __initcall_end; call++)
+                do_one_initcall(*call);
        /* Make sure there is no pending stuff from the initcall sequence */
        flush_scheduled_work();
diff --git a/kernel/kgdb.c b/kernel/kgdb.c
index 39e31a036f5b..14787de568b3 100644
--- a/kernel/kgdb.c
+++ b/kernel/kgdb.c
@@ -346,14 +346,6 @@ static void put_packet(char *buffer)
        }
 }
-static char *pack_hex_byte(char *pkt, u8 byte)
-{
-        *pkt++ = hexchars[byte >> 4];
-        *pkt++ = hexchars[byte & 0xf];
-        return pkt;
-}
 /*
 * Convert the memory pointed to by mem into hex, placing result in buf.
 * Return a pointer to the last char put in buf (null). May return an error.
diff --git a/kernel/sched.c b/kernel/sched.c
index 8841a915545d..cfa222a91539 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -8986,7 +8986,7 @@ static u64 cpu_shares_read_u64(struct cgroup *cgrp, struct cftype *cft)
 #endif
 #ifdef CONFIG_RT_GROUP_SCHED
-static ssize_t cpu_rt_runtime_write(struct cgroup *cgrp, struct cftype *cft,
+static int cpu_rt_runtime_write(struct cgroup *cgrp, struct cftype *cft,
                                s64 val)
 {
        return sched_group_set_rt_runtime(cgroup_tg(cgrp), val);
diff --git a/lib/bitmap.c b/lib/bitmap.c
index c4cb48f77f0c..482df94ea21e 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -316,22 +316,6 @@ int bitmap_scnprintf(char *buf, unsigned int buflen,
 EXPORT_SYMBOL(bitmap_scnprintf);
 /**
- * bitmap_scnprintf_len - return buffer length needed to convert
- * bitmap to an ASCII hex string.
- * @len: number of bits to be converted
- */
-int bitmap_scnprintf_len(unsigned int len)
-{
-        /* we need 9 chars per word for 32 bit words (8 hexdigits + sep/null) */
-        int bitslen = ALIGN(len, CHUNKSZ);
-        int wordlen = CHUNKSZ / 4;
-        int buflen = (bitslen / wordlen) * (wordlen + 1) * sizeof(char);
-        return buflen;
-}
-EXPORT_SYMBOL(bitmap_scnprintf_len);
-/**
 * __bitmap_parse - convert an ASCII hex string into a bitmap.
 * @buf: pointer to buffer containing string.
 * @buflen: buffer size in bytes.  If string is smaller than this
diff --git a/lib/hexdump.c b/lib/hexdump.c
index 343546550dc9..f07c0db81d26 100644
--- a/lib/hexdump.c
+++ b/lib/hexdump.c
@@ -12,6 +12,9 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
+const char hex_asc[] = "0123456789abcdef";
+EXPORT_SYMBOL(hex_asc);
 /**
 * hex_dump_to_buffer - convert a blob of data to "hex ASCII" in memory
 * @buf: data blob to dump
@@ -93,8 +96,8 @@ void hex_dump_to_buffer(const void *buf, size_t len, int rowsize,
                for (j = 0; (j < rowsize) && (j < len) && (lx + 4) < linebuflen;
                     j++) {
                        ch = ptr[j];
-                        linebuf[lx++] = hex_asc(ch >> 4);
+                        linebuf[lx++] = hex_asc_hi(ch);
-                        linebuf[lx++] = hex_asc(ch & 0x0f);
+                        linebuf[lx++] = hex_asc_lo(ch);
                        linebuf[lx++] = ' ';
                }
                ascii_column = 3 * rowsize + 2;
diff --git a/lib/lmb.c b/lib/lmb.c
index 83287d3869a3..867f7b5a8231 100644
--- a/lib/lmb.c
+++ b/lib/lmb.c
@@ -19,31 +19,42 @@
 struct lmb lmb;
+static int lmb_debug;
+static int __init early_lmb(char *p)
+{
+        if (p && strstr(p, "debug"))
+                lmb_debug = 1;
+        return 0;
+}
+early_param("lmb", early_lmb);
 void lmb_dump_all(void)
 {
-#ifdef DEBUG
        unsigned long i;
-        pr_debug("lmb_dump_all:\n");
+        if (!lmb_debug)
-        pr_debug("    memory.cnt                  = 0x%lx\n", lmb.memory.cnt);
+                return;
-        pr_debug("    memory.size                 = 0x%llx\n",
+        pr_info("lmb_dump_all:\n");
+        pr_info("    memory.cnt           = 0x%lx\n", lmb.memory.cnt);
+        pr_info("    memory.size                  = 0x%llx\n",
            (unsigned long long)lmb.memory.size);
        for (i=0; i < lmb.memory.cnt ;i++) {
-                pr_debug("    memory.region[0x%x].base       = 0x%llx\n",
+                pr_info("    memory.region[0x%lx].base       = 0x%llx\n",
                    i, (unsigned long long)lmb.memory.region[i].base);
-                pr_debug("                    .size     = 0x%llx\n",
+                pr_info("                     .size     = 0x%llx\n",
                    (unsigned long long)lmb.memory.region[i].size);
        }
-        pr_debug("    reserved.cnt        = 0x%lx\n", lmb.reserved.cnt);
+        pr_info("    reserved.cnt         = 0x%lx\n", lmb.reserved.cnt);
-        pr_debug("    reserved.size       = 0x%lx\n", lmb.reserved.size);
+        pr_info("    reserved.size        = 0x%lx\n", lmb.reserved.size);
        for (i=0; i < lmb.reserved.cnt ;i++) {
-                pr_debug("    reserved.region[0x%x].base       = 0x%llx\n",
+                pr_info("    reserved.region[0x%lx].base       = 0x%llx\n",
                    i, (unsigned long long)lmb.reserved.region[i].base);
-                pr_debug("                    .size     = 0x%llx\n",
+                pr_info("                     .size     = 0x%llx\n",
                    (unsigned long long)lmb.reserved.region[i].size);
        }
-#endif /* DEBUG */
 }
 static unsigned long lmb_addrs_overlap(u64 base1, u64 size1, u64 base2,
@@ -286,8 +297,7 @@ static u64 __init lmb_alloc_nid_unreserved(u64 start, u64 end,
                j = lmb_overlaps_region(&lmb.reserved, base, size);
                if (j < 0) {
                        /* this area isn't reserved, take it */
-                        if (lmb_add_region(&lmb.reserved, base,
+                        if (lmb_add_region(&lmb.reserved, base, size) < 0)
-                                           lmb_align_up(size, align)) < 0)
                                base = ~(u64)0;
                        return base;
                }
@@ -333,6 +343,10 @@ u64 __init lmb_alloc_nid(u64 size, u64 align, int nid,
        struct lmb_region *mem = &lmb.memory;
        int i;
+        BUG_ON(0 == size);
+        size = lmb_align_up(size, align);
        for (i = 0; i < mem->cnt; i++) {
                u64 ret = lmb_alloc_nid_region(&mem->region[i],
                                               nid_range,
@@ -370,6 +384,8 @@ u64 __init __lmb_alloc_base(u64 size, u64 align, u64 max_addr)
        BUG_ON(0 == size);
+        size = lmb_align_up(size, align);
        /* On some platforms, make sure we allocate lowmem */
        /* Note that LMB_REAL_LIMIT may be LMB_ALLOC_ANYWHERE */
        if (max_addr == LMB_ALLOC_ANYWHERE)
@@ -393,8 +409,7 @@ u64 __init __lmb_alloc_base(u64 size, u64 align, u64 max_addr)
                        j = lmb_overlaps_region(&lmb.reserved, base, size);
                        if (j < 0) {
                                /* this area isn't reserved, take it */
-                                if (lmb_add_region(&lmb.reserved, base,
+                                if (lmb_add_region(&lmb.reserved, base, size) < 0)
-                                                   lmb_align_up(size, align)) < 0)
                                        return 0;
                                return base;
                        }
diff --git a/lib/parser.c b/lib/parser.c
index 703c8c13b346..4f0cbc03e0e8 100644
--- a/lib/parser.c
+++ b/lib/parser.c
@@ -182,18 +182,25 @@ int match_hex(substring_t *s, int *result)
 }
 /**
- * match_strcpy: - copies the characters from a substring_t to a string
+ * match_strlcpy: - Copy the characters from a substring_t to a sized buffer
- * @to: string to copy characters to.
+ * @dest: where to copy to
- * @s: &substring_t to copy
+ * @src: &substring_t to copy
+ * @size: size of destination buffer
 *
- * Description: Copies the set of characters represented by the given
+ * Description: Copy the characters in &substring_t @src to the
- * &substring_t @s to the c-style string @to. Caller guarantees that @to is
+ * c-style string @dest.  Copy no more than @size - 1 characters, plus
- * large enough to hold the characters of @s.
+ * the terminating NUL.  Return length of @src.
 */
-void match_strcpy(char *to, const substring_t *s)
+size_t match_strlcpy(char *dest, const substring_t *src, size_t size)
 {
-        memcpy(to, s->from, s->to - s->from);
+        size_t ret = src->to - src->from;
-        to[s->to - s->from] = '\0';
+        if (size) {
+                size_t len = ret >= size ? size - 1 : ret;
+                memcpy(dest, src->from, len);
+                dest[len] = '\0';
+        }
+        return ret;
 }
 /**
@@ -206,9 +213,10 @@ void match_strcpy(char *to, const substring_t *s)
 */
 char *match_strdup(const substring_t *s)
 {
-        char *p = kmalloc(s->to - s->from + 1, GFP_KERNEL);
+        size_t sz = s->to - s->from + 1;
+        char *p = kmalloc(sz, GFP_KERNEL);
        if (p)
-                match_strcpy(p, s);
+                match_strlcpy(p, s, sz);
        return p;
 }
@@ -216,5 +224,5 @@ EXPORT_SYMBOL(match_token);
 EXPORT_SYMBOL(match_int);
 EXPORT_SYMBOL(match_octal);
 EXPORT_SYMBOL(match_hex);
-EXPORT_SYMBOL(match_strcpy);
+EXPORT_SYMBOL(match_strlcpy);
 EXPORT_SYMBOL(match_strdup);
diff --git a/mm/filemap.c b/mm/filemap.c
index 2dead9adf8b7..1e6a7d34874f 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1461,6 +1461,11 @@ page_not_uptodate:
         */
        ClearPageError(page);
        error = mapping->a_ops->readpage(file, page);
+        if (!error) {
+                wait_on_page_locked(page);
+                if (!PageUptodate(page))
+                        error = -EIO;
+        }
        page_cache_release(page);
        if (!error || error == AOP_TRUNCATED_PAGE)
diff --git a/mm/memory.c b/mm/memory.c
index 48c122d42ed7..fb5608a120ed 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -311,6 +311,21 @@ int __pte_alloc(struct mm_struct *mm, pmd_t *pmd, unsigned long address)
        if (!new)
                return -ENOMEM;
+        /*
+         * Ensure all pte setup (eg. pte page lock and page clearing) are
+         * visible before the pte is made visible to other CPUs by being
+         * put into page tables.
+         *
+         * The other side of the story is the pointer chasing in the page
+         * table walking code (when walking the page table without locking;
+         * ie. most of the time). Fortunately, these data accesses consist
+         * of a chain of data-dependent loads, meaning most CPUs (alpha
+         * being the notable exception) will already guarantee loads are
+         * seen in-order. See the alpha page table accessors for the
+         * smp_read_barrier_depends() barriers in page table walking code.
+         */
+        smp_wmb(); /* Could be smp_wmb__xxx(before|after)_spin_lock */
        spin_lock(&mm->page_table_lock);
        if (!pmd_present(*pmd)) {       /* Has another populated it ? */
                mm->nr_ptes++;
@@ -329,6 +344,8 @@ int __pte_alloc_kernel(pmd_t *pmd, unsigned long address)
        if (!new)
                return -ENOMEM;
+        smp_wmb(); /* See comment in __pte_alloc */
        spin_lock(&init_mm.page_table_lock);
        if (!pmd_present(*pmd)) {       /* Has another populated it ? */
                pmd_populate_kernel(&init_mm, pmd, new);
@@ -2619,6 +2636,8 @@ int __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address)
        if (!new)
                return -ENOMEM;
+        smp_wmb(); /* See comment in __pte_alloc */
        spin_lock(&mm->page_table_lock);
        if (pgd_present(*pgd))          /* Another has populated it */
                pud_free(mm, new);
@@ -2640,6 +2659,8 @@ int __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address)
        if (!new)
                return -ENOMEM;
+        smp_wmb(); /* See comment in __pte_alloc */
        spin_lock(&mm->page_table_lock);
 #ifndef __ARCH_HAS_4LEVEL_HACK
        if (pud_present(*pud))          /* Another has populated it */
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index b17dca7249f8..833f854eabe5 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -159,21 +159,58 @@ void register_page_bootmem_info_node(struct pglist_data *pgdat)
 }
 #endif /* !CONFIG_SPARSEMEM_VMEMMAP */
+static void grow_zone_span(struct zone *zone, unsigned long start_pfn,
+                           unsigned long end_pfn)
+{
+        unsigned long old_zone_end_pfn;
+        zone_span_writelock(zone);
+        old_zone_end_pfn = zone->zone_start_pfn + zone->spanned_pages;
+        if (start_pfn < zone->zone_start_pfn)
+                zone->zone_start_pfn = start_pfn;
+        zone->spanned_pages = max(old_zone_end_pfn, end_pfn) -
+                                zone->zone_start_pfn;
+        zone_span_writeunlock(zone);
+}
+static void grow_pgdat_span(struct pglist_data *pgdat, unsigned long start_pfn,
+                            unsigned long end_pfn)
+{
+        unsigned long old_pgdat_end_pfn =
+                pgdat->node_start_pfn + pgdat->node_spanned_pages;
+        if (start_pfn < pgdat->node_start_pfn)
+                pgdat->node_start_pfn = start_pfn;
+        pgdat->node_spanned_pages = max(old_pgdat_end_pfn, end_pfn) -
+                                        pgdat->node_start_pfn;
+}
 static int __add_zone(struct zone *zone, unsigned long phys_start_pfn)
 {
        struct pglist_data *pgdat = zone->zone_pgdat;
        int nr_pages = PAGES_PER_SECTION;
        int nid = pgdat->node_id;
        int zone_type;
+        unsigned long flags;
        zone_type = zone - pgdat->node_zones;
        if (!zone->wait_table) {
-                int ret = 0;
+                int ret;
                ret = init_currently_empty_zone(zone, phys_start_pfn,
                                                nr_pages, MEMMAP_HOTPLUG);
-                if (ret < 0)
+                if (ret)
                        return ret;
        }
+        pgdat_resize_lock(zone->zone_pgdat, &flags);
+        grow_zone_span(zone, phys_start_pfn, phys_start_pfn + nr_pages);
+        grow_pgdat_span(zone->zone_pgdat, phys_start_pfn,
+                        phys_start_pfn + nr_pages);
+        pgdat_resize_unlock(zone->zone_pgdat, &flags);
        memmap_init_zone(nr_pages, nid, zone_type,
                         phys_start_pfn, MEMMAP_HOTPLUG);
        return 0;
@@ -299,36 +336,6 @@ int __remove_pages(struct zone *zone, unsigned long phys_start_pfn,
 }
 EXPORT_SYMBOL_GPL(__remove_pages);
-static void grow_zone_span(struct zone *zone,
-                unsigned long start_pfn, unsigned long end_pfn)
-{
-        unsigned long old_zone_end_pfn;
-        zone_span_writelock(zone);
-        old_zone_end_pfn = zone->zone_start_pfn + zone->spanned_pages;
-        if (start_pfn < zone->zone_start_pfn)
-                zone->zone_start_pfn = start_pfn;
-        zone->spanned_pages = max(old_zone_end_pfn, end_pfn) -
-                                zone->zone_start_pfn;
-        zone_span_writeunlock(zone);
-}
-static void grow_pgdat_span(struct pglist_data *pgdat,
-                unsigned long start_pfn, unsigned long end_pfn)
-{
-        unsigned long old_pgdat_end_pfn =
-                pgdat->node_start_pfn + pgdat->node_spanned_pages;
-        if (start_pfn < pgdat->node_start_pfn)
-                pgdat->node_start_pfn = start_pfn;
-        pgdat->node_spanned_pages = max(old_pgdat_end_pfn, end_pfn) -
-                                        pgdat->node_start_pfn;
-}
 void online_page(struct page *page)
 {
        totalram_pages++;
@@ -367,7 +374,6 @@ static int online_pages_range(unsigned long start_pfn, unsigned long nr_pages,
 int online_pages(unsigned long pfn, unsigned long nr_pages)
 {
-        unsigned long flags;
        unsigned long onlined_pages = 0;
        struct zone *zone;
        int need_zonelists_rebuild = 0;
@@ -395,11 +401,6 @@ int online_pages(unsigned long pfn, unsigned long nr_pages)
         * memory_block->state_mutex.
         */
        zone = page_zone(pfn_to_page(pfn));
-        pgdat_resize_lock(zone->zone_pgdat, &flags);
-        grow_zone_span(zone, pfn, pfn + nr_pages);
-        grow_pgdat_span(zone->zone_pgdat, pfn, pfn + nr_pages);
-        pgdat_resize_unlock(zone->zone_pgdat, &flags);
        /*
         * If this zone is not populated, then it is not in zonelist.
         * This means the page allocator ignores this zone.
@@ -408,8 +409,15 @@ int online_pages(unsigned long pfn, unsigned long nr_pages)
        if (!populated_zone(zone))
                need_zonelists_rebuild = 1;
-        walk_memory_resource(pfn, nr_pages, &onlined_pages,
+        ret = walk_memory_resource(pfn, nr_pages, &onlined_pages,
                online_pages_range);
+        if (ret) {
+                printk(KERN_DEBUG "online_pages %lx at %lx failed\n",
+                        nr_pages, pfn);
+                memory_notify(MEM_CANCEL_ONLINE, &arg);
+                return ret;
+        }
        zone->present_pages += onlined_pages;
        zone->zone_pgdat->node_present_pages += onlined_pages;
diff --git a/mm/mprotect.c b/mm/mprotect.c
index 4de546899dc1..a5bf31c27375 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -26,6 +26,13 @@
 #include <asm/cacheflush.h>
 #include <asm/tlbflush.h>
+#ifndef pgprot_modify
+static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot)
+{
+        return newprot;
+}
+#endif
 static void change_pte_range(struct mm_struct *mm, pmd_t *pmd,
                unsigned long addr, unsigned long end, pgprot_t newprot,
                int dirty_accountable)
@@ -192,7 +199,9 @@ success:
         * held in write mode.
         */
        vma->vm_flags = newflags;
-        vma->vm_page_prot = vm_get_page_prot(newflags);
+        vma->vm_page_prot = pgprot_modify(vma->vm_page_prot,
+                                          vm_get_page_prot(newflags));
        if (vma_wants_writenotify(vma)) {
                vma->vm_page_prot = vm_get_page_prot(newflags & ~VM_SHARED);
                dirty_accountable = 1;
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index bdd5c432c426..63835579323a 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2862,8 +2862,6 @@ __meminit int init_currently_empty_zone(struct zone *zone,
        zone->zone_start_pfn = zone_start_pfn;
-        memmap_init(size, pgdat->node_id, zone_idx(zone), zone_start_pfn);
        zone_init_free_lists(zone);
        return 0;
@@ -3433,6 +3431,7 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat,
                ret = init_currently_empty_zone(zone, zone_start_pfn,
                                                size, MEMMAP_EARLY);
                BUG_ON(ret);
+                memmap_init(size, nid, j, zone_start_pfn);
                zone_start_pfn += size;
        }
 }
diff --git a/mm/pdflush.c b/mm/pdflush.c
index 1c96cfc9e040..9d834aa4b979 100644
--- a/mm/pdflush.c
+++ b/mm/pdflush.c
@@ -207,7 +207,6 @@ int pdflush_operation(void (*fn)(unsigned long), unsigned long arg0)
        spin_lock_irqsave(&pdflush_lock, flags);
        if (list_empty(&pdflush_list)) {
-                spin_unlock_irqrestore(&pdflush_lock, flags);
                ret = -1;
        } else {
                struct pdflush_work *pdf;
@@ -219,8 +218,9 @@ int pdflush_operation(void (*fn)(unsigned long), unsigned long arg0)
                pdf->fn = fn;
                pdf->arg0 = arg0;
                wake_up_process(pdf->who);
-                spin_unlock_irqrestore(&pdflush_lock, flags);
        }
+        spin_unlock_irqrestore(&pdflush_lock, flags);
        return ret;
 }
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 1a32130b958c..db9eabb2c5b3 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -41,7 +41,9 @@ static void sum_vm_events(unsigned long *ret, cpumask_t *cpumask)
 */
 void all_vm_events(unsigned long *ret)
 {
+        get_online_cpus();
        sum_vm_events(ret, &cpu_online_map);
+        put_online_cpus();
 }
 EXPORT_SYMBOL_GPL(all_vm_events);
diff --git a/net/9p/Kconfig b/net/9p/Kconfig
index bafc50c9e6ff..ff34c5acc130 100644
--- a/net/9p/Kconfig
+++ b/net/9p/Kconfig
@@ -13,16 +13,6 @@ menuconfig NET_9P
          If unsure, say N.
-config NET_9P_FD
-        depends on NET_9P
-        default y if NET_9P
-        tristate "9P File Descriptor Transports (Experimental)"
-        help
-          This builds support for file descriptor transports for 9p
-          which includes support for TCP/IP, named pipes, or passed
-          file descriptors.  TCP/IP is the default transport for 9p,
-          so if you are going to use 9p, you'll likely want this.
 config NET_9P_VIRTIO
        depends on NET_9P && EXPERIMENTAL && VIRTIO
        tristate "9P Virtio Transport (Experimental)"
diff --git a/net/9p/Makefile b/net/9p/Makefile
index 8a1051101898..519219480db1 100644
--- a/net/9p/Makefile
+++ b/net/9p/Makefile
@@ -1,5 +1,4 @@
 obj-$(CONFIG_NET_9P) := 9pnet.o
-obj-$(CONFIG_NET_9P_FD) += 9pnet_fd.o
 obj-$(CONFIG_NET_9P_VIRTIO) += 9pnet_virtio.o
 9pnet-objs := \
@@ -9,8 +8,6 @@ obj-$(CONFIG_NET_9P_VIRTIO) += 9pnet_virtio.o
        error.o \
        fcprint.o \
        util.o \
-9pnet_fd-objs := \
        trans_fd.o \
 9pnet_virtio-objs := \
diff --git a/net/9p/client.c b/net/9p/client.c
index 84e087e24146..2ffe40cf2f01 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -64,21 +64,30 @@ static match_table_t tokens = {
 * @options: options string passed from mount
 * @v9ses: existing v9fs session information
 *
+ * Return 0 upon success, -ERRNO upon failure
 */
-static void parse_opts(char *options, struct p9_client *clnt)
+static int parse_opts(char *opts, struct p9_client *clnt)
 {
+        char *options;
        char *p;
        substring_t args[MAX_OPT_ARGS];
        int option;
-        int ret;
+        int ret = 0;
        clnt->trans_mod = v9fs_default_trans();
        clnt->dotu = 1;
        clnt->msize = 8192;
-        if (!options)
+        if (!opts)
-                return;
+                return 0;
+        options = kstrdup(opts, GFP_KERNEL);
+        if (!options) {
+                P9_DPRINTK(P9_DEBUG_ERROR,
+                                "failed to allocate copy of option string\n");
+                return -ENOMEM;
+        }
        while ((p = strsep(&options, ",")) != NULL) {
                int token;
@@ -86,10 +95,11 @@ static void parse_opts(char *options, struct p9_client *clnt)
                        continue;
                token = match_token(p, tokens, args);
                if (token < Opt_trans) {
-                        ret = match_int(&args[0], &option);
+                        int r = match_int(&args[0], &option);
-                        if (ret < 0) {
+                        if (r < 0) {
                                P9_DPRINTK(P9_DEBUG_ERROR,
                                        "integer field, but no integer?\n");
+                                ret = r;
                                continue;
                        }
                }
@@ -107,6 +117,8 @@ static void parse_opts(char *options, struct p9_client *clnt)
                        continue;
                }
        }
+        kfree(options);
+        return ret;
 }
@@ -138,16 +150,20 @@ struct p9_client *p9_client_create(const char *dev_name, char *options)
        if (!clnt)
                return ERR_PTR(-ENOMEM);
+        clnt->trans = NULL;
        spin_lock_init(&clnt->lock);
        INIT_LIST_HEAD(&clnt->fidlist);
        clnt->fidpool = p9_idpool_create();
-        if (!clnt->fidpool) {
+        if (IS_ERR(clnt->fidpool)) {
                err = PTR_ERR(clnt->fidpool);
                clnt->fidpool = NULL;
                goto error;
        }
-        parse_opts(options, clnt);
+        err = parse_opts(options, clnt);
+        if (err < 0)
+                goto error;
        if (clnt->trans_mod == NULL) {
                err = -EPROTONOSUPPORT;
                P9_DPRINTK(P9_DEBUG_ERROR,
diff --git a/net/9p/conv.c b/net/9p/conv.c
index 3fe35d532c87..44547201f5bc 100644
--- a/net/9p/conv.c
+++ b/net/9p/conv.c
@@ -197,7 +197,7 @@ static void buf_get_qid(struct cbuf *bufp, struct p9_qid *qid)
 /**
 * p9_size_wstat - calculate the size of a variable length stat struct
- * @stat: metadata (stat) structure
+ * @wstat: metadata (stat) structure
 * @dotu: non-zero if 9P2000.u
 *
 */
@@ -511,6 +511,12 @@ p9_create_common(struct cbuf *bufp, u32 size, u8 id)
        return fc;
 }
+/**
+ * p9_set_tag - set the tag field of an &p9_fcall structure
+ * @fc: fcall structure to set tag within
+ * @tag: tag id to set
+ */
 void p9_set_tag(struct p9_fcall *fc, u16 tag)
 {
        fc->tag = tag;
@@ -518,6 +524,12 @@ void p9_set_tag(struct p9_fcall *fc, u16 tag)
 }
 EXPORT_SYMBOL(p9_set_tag);
+/**
+ * p9_create_tversion - allocates and creates a T_VERSION request
+ * @msize: requested maximum data size
+ * @version: version string to negotiate
+ *
+ */
 struct p9_fcall *p9_create_tversion(u32 msize, char *version)
 {
        int size;
@@ -542,6 +554,16 @@ error:
 }
 EXPORT_SYMBOL(p9_create_tversion);
+/**
+ * p9_create_tauth - allocates and creates a T_AUTH request
+ * @afid: handle to use for authentication protocol
+ * @uname: user name attempting to authenticate
+ * @aname: mount specifier for remote server
+ * @n_uname: numeric id for user attempting to authneticate
+ * @dotu: 9P2000.u extension flag
+ *
+ */
 struct p9_fcall *p9_create_tauth(u32 afid, char *uname, char *aname,
        u32 n_uname, int dotu)
 {
@@ -580,6 +602,18 @@ error:
 }
 EXPORT_SYMBOL(p9_create_tauth);
+/**
+ * p9_create_tattach - allocates and creates a T_ATTACH request
+ * @fid: handle to use for the new mount point
+ * @afid: handle to use for authentication protocol
+ * @uname: user name attempting to attach
+ * @aname: mount specifier for remote server
+ * @n_uname: numeric id for user attempting to attach
+ * @n_uname: numeric id for user attempting to attach
+ * @dotu: 9P2000.u extension flag
+ *
+ */
 struct p9_fcall *
 p9_create_tattach(u32 fid, u32 afid, char *uname, char *aname,
        u32 n_uname, int dotu)
@@ -616,6 +650,12 @@ error:
 }
 EXPORT_SYMBOL(p9_create_tattach);
+/**
+ * p9_create_tflush - allocates and creates a T_FLUSH request
+ * @oldtag: tag id for the transaction we are attempting to cancel
+ *
+ */
 struct p9_fcall *p9_create_tflush(u16 oldtag)
 {
        int size;
@@ -639,6 +679,15 @@ error:
 }
 EXPORT_SYMBOL(p9_create_tflush);
+/**
+ * p9_create_twalk - allocates and creates a T_FLUSH request
+ * @fid: handle we are traversing from
+ * @newfid: a new handle for this transaction
+ * @nwname: number of path elements to traverse
+ * @wnames: array of path elements
+ *
+ */
 struct p9_fcall *p9_create_twalk(u32 fid, u32 newfid, u16 nwname,
                                     char **wnames)
 {
@@ -677,6 +726,13 @@ error:
 }
 EXPORT_SYMBOL(p9_create_twalk);
+/**
+ * p9_create_topen - allocates and creates a T_OPEN request
+ * @fid: handle we are trying to open
+ * @mode: what mode we are trying to open the file in
+ *
+ */
 struct p9_fcall *p9_create_topen(u32 fid, u8 mode)
 {
        int size;
@@ -701,6 +757,19 @@ error:
 }
 EXPORT_SYMBOL(p9_create_topen);
+/**
+ * p9_create_tcreate - allocates and creates a T_CREATE request
+ * @fid: handle of directory we are trying to create in
+ * @name: name of the file we are trying to create
+ * @perm: permissions for the file we are trying to create
+ * @mode: what mode we are trying to open the file in
+ * @extension: 9p2000.u extension string (for special files)
+ * @dotu: 9p2000.u enabled flag
+ *
+ * Note: Plan 9 create semantics include opening the resulting file
+ * which is why mode is included.
+ */
 struct p9_fcall *p9_create_tcreate(u32 fid, char *name, u32 perm, u8 mode,
        char *extension, int dotu)
 {
@@ -736,6 +805,13 @@ error:
 }
 EXPORT_SYMBOL(p9_create_tcreate);
+/**
+ * p9_create_tread - allocates and creates a T_READ request
+ * @fid: handle of the file we are trying to read
+ * @offset: offset to start reading from
+ * @count: how many bytes to read
+ */
 struct p9_fcall *p9_create_tread(u32 fid, u64 offset, u32 count)
 {
        int size;
@@ -761,6 +837,17 @@ error:
 }
 EXPORT_SYMBOL(p9_create_tread);
+/**
+ * p9_create_twrite - allocates and creates a T_WRITE request from the kernel
+ * @fid: handle of the file we are trying to write
+ * @offset: offset to start writing at
+ * @count: how many bytes to write
+ * @data: data to write
+ *
+ * This function will create a requst with data buffers from the kernel
+ * such as the page cache.
+ */
 struct p9_fcall *p9_create_twrite(u32 fid, u64 offset, u32 count,
                                      const char *data)
 {
@@ -794,6 +881,16 @@ error:
 }
 EXPORT_SYMBOL(p9_create_twrite);
+/**
+ * p9_create_twrite_u - allocates and creates a T_WRITE request from userspace
+ * @fid: handle of the file we are trying to write
+ * @offset: offset to start writing at
+ * @count: how many bytes to write
+ * @data: data to write
+ *
+ * This function will create a request with data buffers from userspace
+ */
 struct p9_fcall *p9_create_twrite_u(u32 fid, u64 offset, u32 count,
                                      const char __user *data)
 {
@@ -827,6 +924,14 @@ error:
 }
 EXPORT_SYMBOL(p9_create_twrite_u);
+/**
+ * p9_create_tclunk - allocate a request to forget about a file handle
+ * @fid: handle of the file we closing or forgetting about
+ *
+ * clunk is used both to close open files and to discard transient handles
+ * which may be created during meta-data operations and hierarchy traversal.
+ */
 struct p9_fcall *p9_create_tclunk(u32 fid)
 {
        int size;
@@ -850,6 +955,12 @@ error:
 }
 EXPORT_SYMBOL(p9_create_tclunk);
+/**
+ * p9_create_tremove - allocate and create a request to remove a file
+ * @fid: handle of the file or directory we are removing
+ *
+ */
 struct p9_fcall *p9_create_tremove(u32 fid)
 {
        int size;
@@ -873,6 +984,12 @@ error:
 }
 EXPORT_SYMBOL(p9_create_tremove);
+/**
+ * p9_create_tstat - allocate and populate a request for attributes
+ * @fid: handle of the file or directory we are trying to get the attributes of
+ *
+ */
 struct p9_fcall *p9_create_tstat(u32 fid)
 {
        int size;
@@ -896,6 +1013,14 @@ error:
 }
 EXPORT_SYMBOL(p9_create_tstat);
+/**
+ * p9_create_tstat - allocate and populate a request to change attributes
+ * @fid: handle of the file or directory we are trying to change
+ * @wstat: &p9_stat structure with attributes we wish to set
+ * @dotu: 9p2000.u enabled flag
+ *
+ */
 struct p9_fcall *p9_create_twstat(u32 fid, struct p9_wstat *wstat,
                                      int dotu)
 {
@@ -922,3 +1047,4 @@ error:
        return fc;
 }
 EXPORT_SYMBOL(p9_create_twstat);
diff --git a/net/9p/error.c b/net/9p/error.c
index 64104b9cb422..fdebe4314062 100644
--- a/net/9p/error.c
+++ b/net/9p/error.c
@@ -33,6 +33,13 @@
 #include <linux/errno.h>
 #include <net/9p/9p.h>
+/**
+ * struct errormap - map string errors from Plan 9 to Linux numeric ids
+ * @name: string sent over 9P
+ * @val: numeric id most closely representing @name
+ * @namelen: length of string
+ * @list: hash-table list for string lookup
+ */
 struct errormap {
        char *name;
        int val;
@@ -177,8 +184,7 @@ static struct errormap errmap[] = {
 };
 /**
- * p9_error_init - preload
+ * p9_error_init - preload mappings into hash list
- * @errstr: error string
 *
 */
@@ -206,6 +212,7 @@ EXPORT_SYMBOL(p9_error_init);
 /**
 * errstr2errno - convert error string to error number
 * @errstr: error string
+ * @len: length of error string
 *
 */
@@ -230,8 +237,8 @@ int p9_errstr2errno(char *errstr, int len)
        if (errno == 0) {
                /* TODO: if error isn't found, add it dynamically */
                errstr[len] = 0;
-                printk(KERN_ERR "%s: errstr :%s: not found\n", __func__,
+                printk(KERN_ERR "%s: server reported unknown error %s\n",
-                       errstr);
+                        __func__, errstr);
                errno = 1;
        }
diff --git a/net/9p/fcprint.c b/net/9p/fcprint.c
index 40244fbd9b0d..53dd8e28dd8a 100644
--- a/net/9p/fcprint.c
+++ b/net/9p/fcprint.c
@@ -142,6 +142,14 @@ p9_printdata(char *buf, int buflen, u8 *data, int datalen)
        return p9_dumpdata(buf, buflen, data, datalen < 16?datalen:16);
 }
+/**
+ * p9_printfcall - decode and print a protocol structure into a buffer
+ * @buf: buffer to deposit decoded structure into
+ * @buflen: available space in buffer
+ * @fc: protocol rpc structure of type &p9_fcall
+ * @extended: whether or not session is operating with extended protocol
+ */
 int
 p9_printfcall(char *buf, int buflen, struct p9_fcall *fc, int extended)
 {
diff --git a/net/9p/mod.c b/net/9p/mod.c
index c285aab2af04..bdee1fb7cc62 100644
--- a/net/9p/mod.c
+++ b/net/9p/mod.c
@@ -39,9 +39,6 @@ module_param_named(debug, p9_debug_level, uint, 0);
 MODULE_PARM_DESC(debug, "9P debugging level");
 #endif
-extern int p9_mux_global_init(void);
-extern void p9_mux_global_exit(void);
 /*
 * Dynamic Transport Registration Routines
 *
@@ -52,7 +49,7 @@ static struct p9_trans_module *v9fs_default_transport;
 /**
 * v9fs_register_trans - register a new transport with 9p
- * @m - structure describing the transport module and entry points
+ * @m: structure describing the transport module and entry points
 *
 */
 void v9fs_register_trans(struct p9_trans_module *m)
@@ -65,7 +62,7 @@ EXPORT_SYMBOL(v9fs_register_trans);
 /**
 * v9fs_match_trans - match transport versus registered transports
- * @arg: string identifying transport
+ * @name: string identifying transport
 *
 */
 struct p9_trans_module *v9fs_match_trans(const substring_t *name)
@@ -110,6 +107,7 @@ static int __init init_p9(void)
        p9_error_init();
        printk(KERN_INFO "Installing 9P2000 support\n");
+        p9_trans_fd_init();
        return ret;
 }
diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index f624dff76852..4507f744f44e 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -47,12 +47,29 @@
 #define SCHED_TIMEOUT   10
 #define MAXPOLLWADDR    2
+/**
+ * struct p9_fd_opts - per-transport options
+ * @rfd: file descriptor for reading (trans=fd)
+ * @wfd: file descriptor for writing (trans=fd)
+ * @port: port to connect to (trans=tcp)
+ *
+ */
 struct p9_fd_opts {
        int rfd;
        int wfd;
        u16 port;
 };
+/**
+ * struct p9_trans_fd - transport state
+ * @rd: reference to file to read from
+ * @wr: reference of file to write to
+ * @conn: connection state reference
+ *
+ */
 struct p9_trans_fd {
        struct file *rd;
        struct file *wr;
@@ -90,10 +107,24 @@ enum {
 };
 struct p9_req;
 typedef void (*p9_conn_req_callback)(struct p9_req *req, void *a);
+/**
+ * struct p9_req - fd mux encoding of an rpc transaction
+ * @lock: protects req_list
+ * @tag: numeric tag for rpc transaction
+ * @tcall: request &p9_fcall structure
+ * @rcall: response &p9_fcall structure
+ * @err: error state
+ * @cb: callback for when response is received
+ * @cba: argument to pass to callback
+ * @flush: flag to indicate RPC has been flushed
+ * @req_list: list link for higher level objects to chain requests
+ *
+ */
 struct p9_req {
-        spinlock_t lock; /* protect request structure */
+        spinlock_t lock;
        int tag;
        struct p9_fcall *tcall;
        struct p9_fcall *rcall;
@@ -104,7 +135,39 @@ struct p9_req {
        struct list_head req_list;
 };
-struct p9_mux_poll_task;
+struct p9_mux_poll_task {
+        struct task_struct *task;
+        struct list_head mux_list;
+        int muxnum;
+};
+/**
+ * struct p9_conn - fd mux connection state information
+ * @lock: protects mux_list (?)
+ * @mux_list: list link for mux to manage multiple connections (?)
+ * @poll_task: task polling on this connection
+ * @msize: maximum size for connection (dup)
+ * @extended: 9p2000.u flag (dup)
+ * @trans: reference to transport instance for this connection
+ * @tagpool: id accounting for transactions
+ * @err: error state
+ * @equeue: event wait_q (?)
+ * @req_list: accounting for requests which have been sent
+ * @unsent_req_list: accounting for requests that haven't been sent
+ * @rcall: current response &p9_fcall structure
+ * @rpos: read position in current frame
+ * @rbuf: current read buffer
+ * @wpos: write position for current frame
+ * @wsize: amount of data to write for current frame
+ * @wbuf: current write buffer
+ * @poll_wait: array of wait_q's for various worker threads
+ * @poll_waddr: ????
+ * @pt: poll state
+ * @rq: current read work
+ * @wq: current write work
+ * @wsched: ????
+ *
+ */
 struct p9_conn {
        spinlock_t lock; /* protect lock structure */
@@ -132,11 +195,16 @@ struct p9_conn {
        unsigned long wsched;
 };
-struct p9_mux_poll_task {
+/**
-        struct task_struct *task;
+ * struct p9_mux_rpc - fd mux rpc accounting structure
-        struct list_head mux_list;
+ * @m: connection this request was issued on
-        int muxnum;
+ * @err: error state
-};
+ * @tcall: request &p9_fcall
+ * @rcall: response &p9_fcall
+ * @wqueue: wait queue that client is blocked on for this rpc
+ *
+ * Bug: isn't this information duplicated elsewhere like &p9_req
+ */
 struct p9_mux_rpc {
        struct p9_conn *m;
@@ -207,10 +275,12 @@ static void p9_mux_put_tag(struct p9_conn *m, u16 tag)
 /**
 * p9_mux_calc_poll_procs - calculates the number of polling procs
- * based on the number of mounted v9fs filesystems.
+ * @muxnum: number of mounts
 *
+ * Calculation is based on the number of mounted v9fs filesystems.
 * The current implementation returns sqrt of the number of mounts.
 */
 static int p9_mux_calc_poll_procs(int muxnum)
 {
        int n;
@@ -331,12 +401,11 @@ static void p9_mux_poll_stop(struct p9_conn *m)
 /**
 * p9_conn_create - allocate and initialize the per-session mux data
- * Creates the polling task if this is the first session.
+ * @trans: transport structure
 *
- * @trans - transport structure
+ * Note: Creates the polling task if this is the first session.
- * @msize - maximum message size
- * @extended - extended flag
 */
 static struct p9_conn *p9_conn_create(struct p9_trans *trans)
 {
        int i, n;
@@ -406,7 +475,10 @@ static struct p9_conn *p9_conn_create(struct p9_trans *trans)
 /**
 * p9_mux_destroy - cancels all pending requests and frees mux resources
+ * @m: mux to destroy
+ *
 */
 static void p9_conn_destroy(struct p9_conn *m)
 {
        P9_DPRINTK(P9_DEBUG_MUX, "mux %p prev %p next %p\n", m,
@@ -429,9 +501,14 @@ static void p9_conn_destroy(struct p9_conn *m)
 }
 /**
- * p9_pollwait - called by files poll operation to add v9fs-poll task
+ * p9_pollwait - add poll task to the wait queue
- *      to files wait queue
+ * @filp: file pointer being polled
+ * @wait_address: wait_q to block on
+ * @p: poll state
+ *
+ * called by files poll operation to add v9fs-poll task to files wait queue
 */
 static void
 p9_pollwait(struct file *filp, wait_queue_head_t *wait_address, poll_table *p)
 {
@@ -462,7 +539,10 @@ p9_pollwait(struct file *filp, wait_queue_head_t *wait_address, poll_table *p)
 /**
 * p9_poll_mux - polls a mux and schedules read or write works if necessary
+ * @m: connection to poll
+ *
 */
 static void p9_poll_mux(struct p9_conn *m)
 {
        int n;
@@ -499,9 +579,14 @@ static void p9_poll_mux(struct p9_conn *m)
 }
 /**
- * p9_poll_proc - polls all v9fs transports for new events and queues
+ * p9_poll_proc - poll worker thread
- *      the appropriate work to the work queue
+ * @a: thread state and arguments
+ *
+ * polls all v9fs transports for new events and queues the appropriate
+ * work to the work queue
+ *
 */
 static int p9_poll_proc(void *a)
 {
        struct p9_conn *m, *mtmp;
@@ -527,7 +612,10 @@ static int p9_poll_proc(void *a)
 /**
 * p9_write_work - called when a transport can send some data
+ * @work: container for work to be done
+ *
 */
 static void p9_write_work(struct work_struct *work)
 {
        int n, err;
@@ -638,7 +726,10 @@ static void process_request(struct p9_conn *m, struct p9_req *req)
 /**
 * p9_read_work - called when there is some data to be read from a transport
+ * @work: container of work to be done
+ *
 */
 static void p9_read_work(struct work_struct *work)
 {
        int n, err;
@@ -793,7 +884,9 @@ error:
 * @tc: request to be sent
 * @cb: callback function to call when response is received
 * @cba: parameter to pass to the callback function
+ *
 */
 static struct p9_req *p9_send_request(struct p9_conn *m,
                                          struct p9_fcall *tc,
                                          p9_conn_req_callback cb, void *cba)
@@ -961,10 +1054,12 @@ p9_conn_rpc_cb(struct p9_req *req, void *a)
 /**
 * p9_fd_rpc- sends 9P request and waits until a response is available.
 *      The function can be interrupted.
- * @m: mux data
+ * @t: transport data
 * @tc: request to be sent
 * @rc: pointer where a pointer to the response is stored
+ *
 */
 int
 p9_fd_rpc(struct p9_trans *t, struct p9_fcall *tc, struct p9_fcall **rc)
 {
@@ -1041,8 +1136,10 @@ p9_fd_rpc(struct p9_trans *t, struct p9_fcall *tc, struct p9_fcall **rc)
 * @m: mux data
 * @tc: request to be sent
 * @cb: callback function to be called when response arrives
- * @cba: value to pass to the callback function
+ * @a: value to pass to the callback function
+ *
 */
 int p9_conn_rpcnb(struct p9_conn *m, struct p9_fcall *tc,
                   p9_conn_req_callback cb, void *a)
 {
@@ -1065,7 +1162,9 @@ int p9_conn_rpcnb(struct p9_conn *m, struct p9_fcall *tc,
 * p9_conn_cancel - cancel all pending requests with error
 * @m: mux data
 * @err: error code
+ *
 */
 void p9_conn_cancel(struct p9_conn *m, int err)
 {
        struct p9_req *req, *rtmp;
@@ -1097,35 +1196,46 @@ void p9_conn_cancel(struct p9_conn *m, int err)
 }
 /**
- * v9fs_parse_options - parse mount options into session structure
+ * parse_options - parse mount options into session structure
 * @options: options string passed from mount
- * @v9ses: existing v9fs session information
+ * @opts: transport-specific structure to parse options into
 *
+ * Returns 0 upon success, -ERRNO upon failure
 */
-static void parse_opts(char *options, struct p9_fd_opts *opts)
+static int parse_opts(char *params, struct p9_fd_opts *opts)
 {
        char *p;
        substring_t args[MAX_OPT_ARGS];
        int option;
+        char *options;
        int ret;
        opts->port = P9_PORT;
        opts->rfd = ~0;
        opts->wfd = ~0;
-        if (!options)
+        if (!params)
-                return;
+                return 0;
+        options = kstrdup(params, GFP_KERNEL);
+        if (!options) {
+                P9_DPRINTK(P9_DEBUG_ERROR,
+                                "failed to allocate copy of option string\n");
+                return -ENOMEM;
+        }
        while ((p = strsep(&options, ",")) != NULL) {
                int token;
+                int r;
                if (!*p)
                        continue;
                token = match_token(p, tokens, args);
-                ret = match_int(&args[0], &option);
+                r = match_int(&args[0], &option);
-                if (ret < 0) {
+                if (r < 0) {
                        P9_DPRINTK(P9_DEBUG_ERROR,
                         "integer field, but no integer?\n");
+                        ret = r;
                        continue;
                }
                switch (token) {
@@ -1142,6 +1252,8 @@ static void parse_opts(char *options, struct p9_fd_opts *opts)
                        continue;
                }
        }
+        kfree(options);
+        return 0;
 }
 static int p9_fd_open(struct p9_trans *trans, int rfd, int wfd)
@@ -1193,11 +1305,12 @@ static int p9_socket_open(struct p9_trans *trans, struct socket *csocket)
 /**
 * p9_fd_read- read from a fd
- * @v9ses: session information
+ * @trans: transport instance state
 * @v: buffer to receive data into
 * @len: size of receive buffer
 *
 */
 static int p9_fd_read(struct p9_trans *trans, void *v, int len)
 {
        int ret;
@@ -1220,11 +1333,12 @@ static int p9_fd_read(struct p9_trans *trans, void *v, int len)
 /**
 * p9_fd_write - write to a socket
- * @v9ses: session information
+ * @trans: transport instance state
 * @v: buffer to send data from
 * @len: size of send buffer
 *
 */
 static int p9_fd_write(struct p9_trans *trans, void *v, int len)
 {
        int ret;
@@ -1296,6 +1410,7 @@ end:
 * @trans: private socket structure
 *
 */
 static void p9_fd_close(struct p9_trans *trans)
 {
        struct p9_trans_fd *ts;
@@ -1318,6 +1433,23 @@ static void p9_fd_close(struct p9_trans *trans)
        kfree(ts);
 }
+/*
+ * stolen from NFS - maybe should be made a generic function?
+ */
+static inline int valid_ipaddr4(const char *buf)
+{
+        int rc, count, in[4];
+        rc = sscanf(buf, "%d.%d.%d.%d", &in[0], &in[1], &in[2], &in[3]);
+        if (rc != 4)
+                return -EINVAL;
+        for (count = 0; count < 4; count++) {
+                if (in[count] > 255)
+                        return -EINVAL;
+        }
+        return 0;
+}
 static struct p9_trans *
 p9_trans_create_tcp(const char *addr, char *args, int msize, unsigned char dotu)
 {
@@ -1328,7 +1460,12 @@ p9_trans_create_tcp(const char *addr, char *args, int msize, unsigned char dotu)
        struct p9_fd_opts opts;
        struct p9_trans_fd *p;
-        parse_opts(args, &opts);
+        err = parse_opts(args, &opts);
+        if (err < 0)
+                return ERR_PTR(err);
+        if (valid_ipaddr4(addr) < 0)
+                return ERR_PTR(-EINVAL);
        csocket = NULL;
        trans = kmalloc(sizeof(struct p9_trans), GFP_KERNEL);
@@ -1508,7 +1645,7 @@ static struct p9_trans_module p9_fd_trans = {
        .create = p9_trans_create_fd,
 };
-static int __init p9_trans_fd_init(void)
+int p9_trans_fd_init(void)
 {
        int ret = p9_mux_global_init();
        if (ret) {
@@ -1522,9 +1659,4 @@ static int __init p9_trans_fd_init(void)
        return 0;
 }
+EXPORT_SYMBOL(p9_trans_fd_init);
-module_init(p9_trans_fd_init);
-MODULE_AUTHOR("Latchesar Ionkov <lucho@ionkov.net>");
-MODULE_AUTHOR("Eric Van Hensbergen <ericvh@gmail.com>");
-MODULE_LICENSE("GPL");
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index de7a9f532edc..42adc052b149 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -49,29 +49,75 @@
 #define VIRTQUEUE_NUM   128
 /* a single mutex to manage channel initialization and attachment */
-static DECLARE_MUTEX(virtio_9p_lock);
+static DEFINE_MUTEX(virtio_9p_lock);
 /* global which tracks highest initialized channel */
 static int chan_index;
 #define P9_INIT_MAXTAG  16
-#define REQ_STATUS_IDLE 0
-#define REQ_STATUS_SENT 1
+/**
-#define REQ_STATUS_RCVD 2
+ * enum p9_req_status_t - virtio request status
-#define REQ_STATUS_FLSH 3
+ * @REQ_STATUS_IDLE: request slot unused
+ * @REQ_STATUS_SENT: request sent to server
+ * @REQ_STATUS_RCVD: response received from server
+ * @REQ_STATUS_FLSH: request has been flushed
+ *
+ * The @REQ_STATUS_IDLE state is used to mark a request slot as unused
+ * but use is actually tracked by the idpool structure which handles tag
+ * id allocation.
+ *
+ */
+enum p9_req_status_t {
+        REQ_STATUS_IDLE,
+        REQ_STATUS_SENT,
+        REQ_STATUS_RCVD,
+        REQ_STATUS_FLSH,
+};
+/**
+ * struct p9_req_t - virtio request slots
+ * @status: status of this request slot
+ * @wq: wait_queue for the client to block on for this request
+ *
+ * The virtio transport uses an array to track outstanding requests
+ * instead of a list.  While this may incurr overhead during initial
+ * allocation or expansion, it makes request lookup much easier as the
+ * tag id is a index into an array.  (We use tag+1 so that we can accomodate
+ * the -1 tag for the T_VERSION request).
+ * This also has the nice effect of only having to allocate wait_queues
+ * once, instead of constantly allocating and freeing them.  Its possible
+ * other resources could benefit from this scheme as well.
+ *
+ */
 struct p9_req_t {
        int status;
        wait_queue_head_t *wq;
 };
-/* We keep all per-channel information in a structure.
+/**
+ * struct virtio_chan - per-instance transport information
+ * @initialized: whether the channel is initialized
+ * @inuse: whether the channel is in use
+ * @lock: protects multiple elements within this structure
+ * @vdev: virtio dev associated with this channel
+ * @vq: virtio queue associated with this channel
+ * @tagpool: accounting for tag ids (and request slots)
+ * @reqs: array of request slots
+ * @max_tag: current number of request_slots allocated
+ * @sg: scatter gather list which is used to pack a request (protected?)
+ *
+ * We keep all per-channel information in a structure.
 * This structure is allocated within the devices dev->mem space.
 * A pointer to the structure will get put in the transport private.
+ *
 */
 static struct virtio_chan {
-        bool initialized;               /* channel is initialized */
+        bool initialized;
-        bool inuse;                     /* channel is in use */
+        bool inuse;
        spinlock_t lock;
@@ -86,7 +132,19 @@ static struct virtio_chan {
        struct scatterlist sg[VIRTQUEUE_NUM];
 } channels[MAX_9P_CHAN];
-/* Lookup requests by tag */
+/**
+ * p9_lookup_tag - Lookup requests by tag
+ * @c: virtio channel to lookup tag within
+ * @tag: numeric id for transaction
+ *
+ * this is a simple array lookup, but will grow the
+ * request_slots as necessary to accomodate transaction
+ * ids which did not previously have a slot.
+ *
+ * Bugs: there is currently no upper limit on request slots set
+ * here, but that should be constrained by the id accounting.
+ */
 static struct p9_req_t *p9_lookup_tag(struct virtio_chan *c, u16 tag)
 {
        /* This looks up the original request by tag so we know which
@@ -130,11 +188,20 @@ static unsigned int rest_of_page(void *data)
        return PAGE_SIZE - ((unsigned long)data % PAGE_SIZE);
 }
+/**
+ * p9_virtio_close - reclaim resources of a channel
+ * @trans: transport state
+ *
+ * This reclaims a channel by freeing its resources and
+ * reseting its inuse flag.
+ *
+ */
 static void p9_virtio_close(struct p9_trans *trans)
 {
        struct virtio_chan *chan = trans->priv;
        int count;
-        unsigned int flags;
+        unsigned long flags;
        spin_lock_irqsave(&chan->lock, flags);
        p9_idpool_destroy(chan->tagpool);
@@ -144,13 +211,26 @@ static void p9_virtio_close(struct p9_trans *trans)
        chan->max_tag = 0;
        spin_unlock_irqrestore(&chan->lock, flags);
-        down(&virtio_9p_lock);
+        mutex_lock(&virtio_9p_lock);
        chan->inuse = false;
-        up(&virtio_9p_lock);
+        mutex_unlock(&virtio_9p_lock);
        kfree(trans);
 }
+/**
+ * req_done - callback which signals activity from the server
+ * @vq: virtio queue activity was received on
+ *
+ * This notifies us that the server has triggered some activity
+ * on the virtio channel - most likely a response to request we
+ * sent.  Figure out which requests now have responses and wake up
+ * those threads.
+ *
+ * Bugs: could do with some additional sanity checking, but appears to work.
+ *
+ */
 static void req_done(struct virtqueue *vq)
 {
        struct virtio_chan *chan = vq->vdev->priv;
@@ -169,6 +249,20 @@ static void req_done(struct virtqueue *vq)
        spin_unlock_irqrestore(&chan->lock, flags);
 }
+/**
+ * pack_sg_list - pack a scatter gather list from a linear buffer
+ * @sg: scatter/gather list to pack into
+ * @start: which segment of the sg_list to start at
+ * @limit: maximum segment to pack data to
+ * @data: data to pack into scatter/gather list
+ * @count: amount of data to pack into the scatter/gather list
+ *
+ * sg_lists have multiple segments of various sizes.  This will pack
+ * arbitrary data into an existing scatter gather list, segmenting the
+ * data as necessary within constraints.
+ *
+ */
 static int
 pack_sg_list(struct scatterlist *sg, int start, int limit, char *data,
                                                                int count)
@@ -189,6 +283,14 @@ pack_sg_list(struct scatterlist *sg, int start, int limit, char *data,
        return index-start;
 }
+/**
+ * p9_virtio_rpc - issue a request and wait for a response
+ * @t: transport state
+ * @tc: &p9_fcall request to transmit
+ * @rc: &p9_fcall to put reponse into
+ *
+ */
 static int
 p9_virtio_rpc(struct p9_trans *t, struct p9_fcall *tc, struct p9_fcall **rc)
 {
@@ -263,16 +365,26 @@ p9_virtio_rpc(struct p9_trans *t, struct p9_fcall *tc, struct p9_fcall **rc)
        return 0;
 }
+/**
+ * p9_virtio_probe - probe for existence of 9P virtio channels
+ * @vdev: virtio device to probe
+ *
+ * This probes for existing virtio channels.  At present only
+ * a single channel is in use, so in the future more work may need
+ * to be done here.
+ *
+ */
 static int p9_virtio_probe(struct virtio_device *vdev)
 {
        int err;
        struct virtio_chan *chan;
        int index;
-        down(&virtio_9p_lock);
+        mutex_lock(&virtio_9p_lock);
        index = chan_index++;
        chan = &channels[index];
-        up(&virtio_9p_lock);
+        mutex_unlock(&virtio_9p_lock);
        if (chan_index > MAX_9P_CHAN) {
                printk(KERN_ERR "9p: virtio: Maximum channels exceeded\n");
@@ -301,17 +413,34 @@ static int p9_virtio_probe(struct virtio_device *vdev)
 out_free_vq:
        vdev->config->del_vq(chan->vq);
 fail:
-        down(&virtio_9p_lock);
+        mutex_lock(&virtio_9p_lock);
        chan_index--;
-        up(&virtio_9p_lock);
+        mutex_unlock(&virtio_9p_lock);
        return err;
 }
-/* This sets up a transport channel for 9p communication.  Right now
+/**
+ * p9_virtio_create - allocate a new virtio channel
+ * @devname: string identifying the channel to connect to (unused)
+ * @args: args passed from sys_mount() for per-transport options (unused)
+ * @msize: requested maximum packet size
+ * @extended: 9p2000.u enabled flag
+ *
+ * This sets up a transport channel for 9p communication.  Right now
 * we only match the first available channel, but eventually we couldlook up
 * alternate channels by matching devname versus a virtio_config entry.
 * We use a simple reference count mechanism to ensure that only a single
- * mount has a channel open at a time. */
+ * mount has a channel open at a time.
+ *
+ * Bugs: doesn't allow identification of a specific channel
+ * to allocate, channels are allocated sequentially. This was
+ * a pragmatic decision to get things rolling, but ideally some
+ * way of identifying the channel to attach to would be nice
+ * if we are going to support multiple channels.
+ *
+ */
 static struct p9_trans *
 p9_virtio_create(const char *devname, char *args, int msize,
                                                        unsigned char extended)
@@ -320,7 +449,7 @@ p9_virtio_create(const char *devname, char *args, int msize,
        struct virtio_chan *chan = channels;
        int index = 0;
-        down(&virtio_9p_lock);
+        mutex_lock(&virtio_9p_lock);
        while (index < MAX_9P_CHAN) {
                if (chan->initialized && !chan->inuse) {
                        chan->inuse = true;
@@ -330,7 +459,7 @@ p9_virtio_create(const char *devname, char *args, int msize,
                        chan = &channels[index];
                }
        }
-        up(&virtio_9p_lock);
+        mutex_unlock(&virtio_9p_lock);
        if (index >= MAX_9P_CHAN) {
                printk(KERN_ERR "9p: no channels available\n");
@@ -360,6 +489,12 @@ p9_virtio_create(const char *devname, char *args, int msize,
        return trans;
 }
+/**
+ * p9_virtio_remove - clean up resources associated with a virtio device
+ * @vdev: virtio device to remove
+ *
+ */
 static void p9_virtio_remove(struct virtio_device *vdev)
 {
        struct virtio_chan *chan = vdev->priv;
diff --git a/net/9p/util.c b/net/9p/util.c
index ef7215565d88..958fc58cd1ff 100644
--- a/net/9p/util.c
+++ b/net/9p/util.c
@@ -32,11 +32,23 @@
 #include <linux/idr.h>
 #include <net/9p/9p.h>
+/**
+ * struct p9_idpool - per-connection accounting for tag idpool
+ * @lock: protects the pool
+ * @pool: idr to allocate tag id from
+ *
+ */
 struct p9_idpool {
        spinlock_t lock;
        struct idr pool;
 };
+/**
+ * p9_idpool_create - create a new per-connection id pool
+ *
+ */
 struct p9_idpool *p9_idpool_create(void)
 {
        struct p9_idpool *p;
@@ -52,6 +64,11 @@ struct p9_idpool *p9_idpool_create(void)
 }
 EXPORT_SYMBOL(p9_idpool_create);
+/**
+ * p9_idpool_destroy - create a new per-connection id pool
+ * @p: idpool to destory
+ */
 void p9_idpool_destroy(struct p9_idpool *p)
 {
        idr_destroy(&p->pool);
@@ -61,9 +78,9 @@ EXPORT_SYMBOL(p9_idpool_destroy);
 /**
 * p9_idpool_get - allocate numeric id from pool
- * @p - pool to allocate from
+ * @p: pool to allocate from
 *
- * XXX - This seems to be an awful generic function, should it be in idr.c with
+ * Bugs: This seems to be an awful generic function, should it be in idr.c with
 *            the lock included in struct idr?
 */
@@ -71,7 +88,7 @@ int p9_idpool_get(struct p9_idpool *p)
 {
        int i = 0;
        int error;
-        unsigned int flags;
+        unsigned long flags;
 retry:
        if (idr_pre_get(&p->pool, GFP_KERNEL) == 0)
@@ -94,15 +111,16 @@ EXPORT_SYMBOL(p9_idpool_get);
 /**
 * p9_idpool_put - release numeric id from pool
- * @p - pool to allocate from
+ * @id: numeric id which is being released
+ * @p: pool to release id into
 *
- * XXX - This seems to be an awful generic function, should it be in idr.c with
+ * Bugs: This seems to be an awful generic function, should it be in idr.c with
 *            the lock included in struct idr?
 */
 void p9_idpool_put(int id, struct p9_idpool *p)
 {
-        unsigned int flags;
+        unsigned long flags;
        spin_lock_irqsave(&p->lock, flags);
        idr_remove(&p->pool, id);
        spin_unlock_irqrestore(&p->lock, flags);
@@ -111,11 +129,13 @@ EXPORT_SYMBOL(p9_idpool_put);
 /**
 * p9_idpool_check - check if the specified id is available
- * @id - id to check
+ * @id: id to check
- * @p - pool
+ * @p: pool to check
 */
 int p9_idpool_check(int id, struct p9_idpool *p)
 {
        return idr_find(&p->pool, id) != NULL;
 }
 EXPORT_SYMBOL(p9_idpool_check);
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index b04d643fc3c7..8fb134da0346 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -419,7 +419,7 @@ static void arp_reply(struct sk_buff *skb)
                return;
        size = arp_hdr_len(skb->dev);
-        send_skb = find_skb(np, size + LL_RESERVED_SPACE(np->dev),
+        send_skb = find_skb(np, size + LL_ALLOCATED_SPACE(np->dev),
                            LL_RESERVED_SPACE(np->dev));
        if (!send_skb)
diff --git a/net/core/sock.c b/net/core/sock.c
index fa76f04fa9c6..88094cb09c06 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -270,7 +270,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
        int err = 0;
        int skb_len;
-        /* Cast skb->rcvbuf to unsigned... It's pointless, but reduces
+        /* Cast sk->rcvbuf to unsigned... It's pointless, but reduces
           number of warnings when compiling with -W --ANK
         */
        if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index 68d154480043..7c9bb13b1539 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -340,7 +340,7 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
                dev_hold(dev);
-                skb = sock_alloc_send_skb(sk, len+LL_RESERVED_SPACE(dev),
+                skb = sock_alloc_send_skb(sk, len+LL_ALLOCATED_SPACE(dev),
                                          msg->msg_flags & MSG_DONTWAIT, &err);
                if (skb==NULL)
                        goto out_unlock;
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 68b72a7a1806..418862f1bf22 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -570,7 +570,7 @@ struct sk_buff *arp_create(int type, int ptype, __be32 dest_ip,
         *      Allocate a buffer
         */
-        skb = alloc_skb(arp_hdr_len(dev) + LL_RESERVED_SPACE(dev), GFP_ATOMIC);
+        skb = alloc_skb(arp_hdr_len(dev) + LL_ALLOCATED_SPACE(dev), GFP_ATOMIC);
        if (skb == NULL)
                return NULL;
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index 05afb576d935..2c0e4572cc90 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -338,7 +338,7 @@ static int cipso_v4_cache_check(const unsigned char *key,
                return -ENOENT;
        hash = cipso_v4_map_cache_hash(key, key_len);
-        bkt = hash & (CIPSO_V4_CACHE_BUCKETBITS - 1);
+        bkt = hash & (CIPSO_V4_CACHE_BUCKETS - 1);
        spin_lock_bh(&cipso_v4_cache[bkt].lock);
        list_for_each_entry(entry, &cipso_v4_cache[bkt].list, list) {
                if (entry->hash == hash &&
@@ -417,7 +417,7 @@ int cipso_v4_cache_add(const struct sk_buff *skb,
        atomic_inc(&secattr->cache->refcount);
        entry->lsm_data = secattr->cache;
-        bkt = entry->hash & (CIPSO_V4_CACHE_BUCKETBITS - 1);
+        bkt = entry->hash & (CIPSO_V4_CACHE_BUCKETS - 1);
        spin_lock_bh(&cipso_v4_cache[bkt].lock);
        if (cipso_v4_cache[bkt].size < cipso_v4_cache_bucketsize) {
                list_add(&entry->list, &cipso_v4_cache[bkt].list);
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 6250f4239b61..2769dc4a4c84 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -292,7 +292,7 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size)
        struct iphdr *pip;
        struct igmpv3_report *pig;
-        skb = alloc_skb(size + LL_RESERVED_SPACE(dev), GFP_ATOMIC);
+        skb = alloc_skb(size + LL_ALLOCATED_SPACE(dev), GFP_ATOMIC);
        if (skb == NULL)
                return NULL;
@@ -653,7 +653,7 @@ static int igmp_send_report(struct in_device *in_dev, struct ip_mc_list *pmc,
                return -1;
        }
-        skb=alloc_skb(IGMP_SIZE+LL_RESERVED_SPACE(dev), GFP_ATOMIC);
+        skb=alloc_skb(IGMP_SIZE+LL_ALLOCATED_SPACE(dev), GFP_ATOMIC);
        if (skb == NULL) {
                ip_rt_put(rt);
                return -1;
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 89dee4346f60..ed45037ce9be 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -710,14 +710,14 @@ static void __init ic_bootp_send_if(struct ic_device *d, unsigned long jiffies_d
        struct net_device *dev = d->dev;
        struct sk_buff *skb;
        struct bootp_pkt *b;
-        int hh_len = LL_RESERVED_SPACE(dev);
        struct iphdr *h;
        /* Allocate packet */
-        skb = alloc_skb(sizeof(struct bootp_pkt) + hh_len + 15, GFP_KERNEL);
+        skb = alloc_skb(sizeof(struct bootp_pkt) + LL_ALLOCATED_SPACE(dev) + 15,
+                        GFP_KERNEL);
        if (!skb)
                return;
-        skb_reserve(skb, hh_len);
+        skb_reserve(skb, LL_RESERVED_SPACE(dev));
        b = (struct bootp_pkt *) skb_put(skb, sizeof(struct bootp_pkt));
        memset(b, 0, sizeof(struct bootp_pkt));
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 11d7f753a820..fead049daf43 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -322,7 +322,6 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length,
                        unsigned int flags)
 {
        struct inet_sock *inet = inet_sk(sk);
-        int hh_len;
        struct iphdr *iph;
        struct sk_buff *skb;
        unsigned int iphlen;
@@ -336,13 +335,12 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length,
        if (flags&MSG_PROBE)
                goto out;
-        hh_len = LL_RESERVED_SPACE(rt->u.dst.dev);
+        skb = sock_alloc_send_skb(sk,
+                                  length + LL_ALLOCATED_SPACE(rt->u.dst.dev) + 15,
-        skb = sock_alloc_send_skb(sk, length+hh_len+15,
+                                  flags & MSG_DONTWAIT, &err);
-                                  flags&MSG_DONTWAIT, &err);
        if (skb == NULL)
                goto error;
-        skb_reserve(skb, hh_len);
+        skb_reserve(skb, LL_RESERVED_SPACE(rt->u.dst.dev));
        skb->priority = sk->sk_priority;
        skb->mark = sk->sk_mark;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 26c936930e92..b54d9d37b636 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1842,9 +1842,16 @@ static void tcp_enter_frto_loss(struct sock *sk, int allowed_segments, int flag)
                        TCP_SKB_CB(skb)->sacked &= ~TCPCB_SACKED_RETRANS;
                }
-                /* Don't lost mark skbs that were fwd transmitted after RTO */
+                /* Marking forward transmissions that were made after RTO lost
-                if (!(TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED) &&
+                 * can cause unnecessary retransmissions in some scenarios,
-                    !after(TCP_SKB_CB(skb)->end_seq, tp->frto_highmark)) {
+                 * SACK blocks will mitigate that in some but not in all cases.
+                 * We used to not mark them but it was causing break-ups with
+                 * receivers that do only in-order receival.
+                 *
+                 * TODO: we could detect presence of such receiver and select
+                 * different behavior per flow.
+                 */
+                if (!(TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED)) {
                        TCP_SKB_CB(skb)->sacked |= TCPCB_LOST;
                        tp->lost_out += tcp_skb_pcount(skb);
                }
@@ -1860,7 +1867,7 @@ static void tcp_enter_frto_loss(struct sock *sk, int allowed_segments, int flag)
        tp->reordering = min_t(unsigned int, tp->reordering,
                               sysctl_tcp_reordering);
        tcp_set_ca_state(sk, TCP_CA_Loss);
-        tp->high_seq = tp->frto_highmark;
+        tp->high_seq = tp->snd_nxt;
        TCP_ECN_queue_cwr(tp);
        tcp_clear_retrans_hints_partial(tp);
@@ -2482,7 +2489,7 @@ static void tcp_try_to_open(struct sock *sk, int flag)
        tcp_verify_left_out(tp);
-        if (tp->retrans_out == 0)
+        if (!tp->frto_counter && tp->retrans_out == 0)
                tp->retrans_stamp = 0;
        if (flag & FLAG_ECE)
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 0af2e055f883..48cdce9c696c 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -780,7 +780,7 @@ slow_path:
                 *      Allocate buffer.
                 */
-                if ((frag = alloc_skb(len+hlen+sizeof(struct frag_hdr)+LL_RESERVED_SPACE(rt->u.dst.dev), GFP_ATOMIC)) == NULL) {
+                if ((frag = alloc_skb(len+hlen+sizeof(struct frag_hdr)+LL_ALLOCATED_SPACE(rt->u.dst.dev), GFP_ATOMIC)) == NULL) {
                        NETDEBUG(KERN_INFO "IPv6: frag: no memory for new fragment!\n");
                        IP6_INC_STATS(ip6_dst_idev(skb->dst),
                                      IPSTATS_MIB_FRAGFAILS);
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 54f91efdae58..fd632dd7f98d 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1411,7 +1411,7 @@ static struct sk_buff *mld_newpack(struct net_device *dev, int size)
                     IPV6_TLV_PADN, 0 };
        /* we assume size > sizeof(ra) here */
-        skb = sock_alloc_send_skb(sk, size + LL_RESERVED_SPACE(dev), 1, &err);
+        skb = sock_alloc_send_skb(sk, size + LL_ALLOCATED_SPACE(dev), 1, &err);
        if (!skb)
                return NULL;
@@ -1790,7 +1790,7 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
        payload_len = len + sizeof(ra);
        full_len = sizeof(struct ipv6hdr) + payload_len;
-        skb = sock_alloc_send_skb(sk, LL_RESERVED_SPACE(dev) + full_len, 1, &err);
+        skb = sock_alloc_send_skb(sk, LL_ALLOCATED_SPACE(dev) + full_len, 1, &err);
        if (skb == NULL) {
                rcu_read_lock();
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 2c74885f8355..a55fc05b8125 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -479,7 +479,7 @@ static void __ndisc_send(struct net_device *dev,
        skb = sock_alloc_send_skb(sk,
                                  (MAX_HEADER + sizeof(struct ipv6hdr) +
-                                   len + LL_RESERVED_SPACE(dev)),
+                                   len + LL_ALLOCATED_SPACE(dev)),
                                  1, &err);
        if (!skb) {
                ND_PRINTK0(KERN_ERR
@@ -1521,7 +1521,7 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
        buff = sock_alloc_send_skb(sk,
                                   (MAX_HEADER + sizeof(struct ipv6hdr) +
-                                    len + LL_RESERVED_SPACE(dev)),
+                                    len + LL_ALLOCATED_SPACE(dev)),
                                   1, &err);
        if (buff == NULL) {
                ND_PRINTK0(KERN_ERR
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 396f0ea11090..232e0dc45bf5 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -609,7 +609,6 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
        struct ipv6_pinfo *np = inet6_sk(sk);
        struct ipv6hdr *iph;
        struct sk_buff *skb;
-        unsigned int hh_len;
        int err;
        if (length > rt->u.dst.dev->mtu) {
@@ -619,13 +618,12 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
        if (flags&MSG_PROBE)
                goto out;
-        hh_len = LL_RESERVED_SPACE(rt->u.dst.dev);
+        skb = sock_alloc_send_skb(sk,
+                                  length + LL_ALLOCATED_SPACE(rt->u.dst.dev) + 15,
-        skb = sock_alloc_send_skb(sk, length+hh_len+15,
+                                  flags & MSG_DONTWAIT, &err);
-                                  flags&MSG_DONTWAIT, &err);
        if (skb == NULL)
                goto error;
-        skb_reserve(skb, hh_len);
+        skb_reserve(skb, LL_RESERVED_SPACE(rt->u.dst.dev));
        skb->priority = sk->sk_priority;
        skb->mark = sk->sk_mark;
diff --git a/net/irda/discovery.c b/net/irda/discovery.c
index bfacef8b76f4..a6f99b5a1499 100644
--- a/net/irda/discovery.c
+++ b/net/irda/discovery.c
@@ -40,6 +40,8 @@
 #include <net/irda/discovery.h>
+#include <asm/unaligned.h>
 /*
 * Function irlmp_add_discovery (cachelog, discovery)
 *
@@ -87,7 +89,7 @@ void irlmp_add_discovery(hashbin_t *cachelog, discovery_t *new)
                         */
                        hashbin_remove_this(cachelog, (irda_queue_t *) node);
                        /* Check if hints bits are unchanged */
-                        if(u16ho(node->data.hints) == u16ho(new->data.hints))
+                        if (get_unaligned((__u16 *)node->data.hints) == get_unaligned((__u16 *)new->data.hints))
                                /* Set time of first discovery for this node */
                                new->firststamp = node->firststamp;
                        kfree(node);
@@ -281,9 +283,9 @@ struct irda_device_info *irlmp_copy_discoveries(hashbin_t *log, int *pn,
                /* Mask out the ones we don't want :
                 * We want to match the discovery mask, and to get only
                 * the most recent one (unless we want old ones) */
-                if ((u16ho(discovery->data.hints) & mask) &&
+                if ((get_unaligned((__u16 *)discovery->data.hints) & mask) &&
                    ((old_entries) ||
-                     ((jiffies - discovery->firststamp) < j_timeout)) ) {
+                     ((jiffies - discovery->firststamp) < j_timeout))) {
                        /* Create buffer as needed.
                         * As this function get called a lot and most time
                         * we don't have anything to put in the log (we are
diff --git a/net/irda/irlmp.c b/net/irda/irlmp.c
index 1f81f8e7c61d..7bf5b913828b 100644
--- a/net/irda/irlmp.c
+++ b/net/irda/irlmp.c
@@ -1062,7 +1062,8 @@ void irlmp_discovery_expiry(discinfo_t *expiries, int number)
                for(i = 0; i < number; i++) {
                        /* Check if we should notify client */
                        if ((client->expir_callback) &&
-                            (client->hint_mask.word & u16ho(expiries[i].hints)
+                            (client->hint_mask.word &
+                             get_unaligned((__u16 *)expiries[i].hints)
                             & 0x7f7f) )
                                client->expir_callback(&(expiries[i]),
                                                       EXPIRY_TIMEOUT,
@@ -1086,7 +1087,7 @@ discovery_t *irlmp_get_discovery_response(void)
        IRDA_ASSERT(irlmp != NULL, return NULL;);
-        u16ho(irlmp->discovery_rsp.data.hints) = irlmp->hints.word;
+        put_unaligned(irlmp->hints.word, (__u16 *)irlmp->discovery_rsp.data.hints);
        /*
         *  Set character set for device name (we use ASCII), and
diff --git a/net/irda/irnet/irnet_irda.c b/net/irda/irnet/irnet_irda.c
index 75497e55927d..cf9a4b531a98 100644
--- a/net/irda/irnet/irnet_irda.c
+++ b/net/irda/irnet/irnet_irda.c
@@ -10,6 +10,7 @@
 #include "irnet_irda.h"         /* Private header */
 #include <linux/seq_file.h>
+#include <asm/unaligned.h>
 /*
 * PPP disconnect work: we need to make sure we're in
@@ -1673,7 +1674,7 @@ irnet_discovery_indication(discinfo_t *		discovery,
  /* Notify the control channel */
  irnet_post_event(NULL, IRNET_DISCOVER,
                   discovery->saddr, discovery->daddr, discovery->info,
-                   u16ho(discovery->hints));
+                   get_unaligned((__u16 *)discovery->hints));
  DEXIT(IRDA_OCB_TRACE, "\n");
 }
@@ -1704,7 +1705,7 @@ irnet_expiry_indication(discinfo_t *	expiry,
  /* Notify the control channel */
  irnet_post_event(NULL, IRNET_EXPIRE,
                   expiry->saddr, expiry->daddr, expiry->info,
-                   u16ho(expiry->hints));
+                   get_unaligned((__u16 *)expiry->hints));
  DEXIT(IRDA_OCB_TRACE, "\n");
 }
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index 879e7210458a..19efc3a6a932 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -255,14 +255,23 @@ void ieee80211_debugfs_key_remove(struct ieee80211_key *key)
 void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata)
 {
        char buf[50];
+        struct ieee80211_key *key;
        if (!sdata->debugfsdir)
                return;
-        sprintf(buf, "../keys/%d", sdata->default_key->debugfs.cnt);
+        /* this is running under the key lock */
-        sdata->debugfs.default_key =
-                debugfs_create_symlink("default_key", sdata->debugfsdir, buf);
+        key = sdata->default_key;
+        if (key) {
+                sprintf(buf, "../keys/%d", key->debugfs.cnt);
+                sdata->debugfs.default_key =
+                        debugfs_create_symlink("default_key",
+                                               sdata->debugfsdir, buf);
+        } else
+                ieee80211_debugfs_key_remove_default(sdata);
 }
 void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata)
 {
        if (!sdata)
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 80954a512185..06e88a5a036d 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -54,6 +54,15 @@ int ieee80211_if_add(struct net_device *dev, const char *name,
        if (!ndev)
                return -ENOMEM;
+        ndev->needed_headroom = local->tx_headroom +
+                                4*6 /* four MAC addresses */
+                                + 2 + 2 + 2 + 2 /* ctl, dur, seq, qos */
+                                + 6 /* mesh */
+                                + 8 /* rfc1042/bridge tunnel */
+                                - ETH_HLEN /* ethernet hard_header_len */
+                                + IEEE80211_ENCRYPT_HEADROOM;
+        ndev->needed_tailroom = IEEE80211_ENCRYPT_TAILROOM;
        ret = dev_alloc_name(ndev, ndev->name);
        if (ret < 0)
                goto fail;
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index f76bc26ae4d2..697ef67f96b6 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -397,7 +397,7 @@ int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr,
        put_unaligned(cpu_to_le32(sdata->u.sta.mesh_seqnum), &meshhdr->seqnum);
        sdata->u.sta.mesh_seqnum++;
-        return 5;
+        return 6;
 }
 void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata)
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 3df809222d1c..af0cd1e3e213 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -120,7 +120,7 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
                *pos++ = WLAN_EID_PREP;
                break;
        default:
-                kfree(skb);
+                kfree_skb(skb);
                return -ENOTSUPP;
                break;
        }
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 5845dc21ce85..99c2d360888e 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -158,19 +158,25 @@ int mesh_path_add(u8 *dst, struct net_device *dev)
        if (atomic_add_unless(&sdata->u.sta.mpaths, 1, MESH_MAX_MPATHS) == 0)
                return -ENOSPC;
-        read_lock(&pathtbl_resize_lock);
        new_mpath = kzalloc(sizeof(struct mesh_path), GFP_KERNEL);
        if (!new_mpath) {
                atomic_dec(&sdata->u.sta.mpaths);
                err = -ENOMEM;
                goto endadd2;
        }
+        new_node = kmalloc(sizeof(struct mpath_node), GFP_KERNEL);
+        if (!new_node) {
+                kfree(new_mpath);
+                atomic_dec(&sdata->u.sta.mpaths);
+                err = -ENOMEM;
+                goto endadd2;
+        }
+        read_lock(&pathtbl_resize_lock);
        memcpy(new_mpath->dst, dst, ETH_ALEN);
        new_mpath->dev = dev;
        new_mpath->flags = 0;
        skb_queue_head_init(&new_mpath->frame_queue);
-        new_node = kmalloc(sizeof(struct mpath_node), GFP_KERNEL);
        new_node->mpath = new_mpath;
        new_mpath->timer.data = (unsigned long) new_mpath;
        new_mpath->timer.function = mesh_path_timer;
@@ -202,7 +208,6 @@ int mesh_path_add(u8 *dst, struct net_device *dev)
 endadd:
        spin_unlock(&mesh_paths->hashwlock[hash_idx]);
-endadd2:
        read_unlock(&pathtbl_resize_lock);
        if (!err && grow) {
                struct mesh_table *oldtbl, *newtbl;
@@ -215,10 +220,12 @@ endadd2:
                        return -ENOMEM;
                }
                rcu_assign_pointer(mesh_paths, newtbl);
+                write_unlock(&pathtbl_resize_lock);
                synchronize_rcu();
                mesh_table_free(oldtbl, false);
-                write_unlock(&pathtbl_resize_lock);
        }
+endadd2:
        return err;
 }
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index a5e5c31c23ab..4adba09e80ca 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -665,6 +665,26 @@ static void ieee80211_authenticate(struct net_device *dev,
        mod_timer(&ifsta->timer, jiffies + IEEE80211_AUTH_TIMEOUT);
 }
+static int ieee80211_compatible_rates(struct ieee80211_sta_bss *bss,
+                                      struct ieee80211_supported_band *sband,
+                                      u64 *rates)
+{
+        int i, j, count;
+        *rates = 0;
+        count = 0;
+        for (i = 0; i < bss->supp_rates_len; i++) {
+                int rate = (bss->supp_rates[i] & 0x7F) * 5;
+                for (j = 0; j < sband->n_bitrates; j++)
+                        if (sband->bitrates[j].bitrate == rate) {
+                                *rates |= BIT(j);
+                                count++;
+                                break;
+                        }
+        }
+        return count;
+}
 static void ieee80211_send_assoc(struct net_device *dev,
                                 struct ieee80211_if_sta *ifsta)
@@ -673,11 +693,12 @@ static void ieee80211_send_assoc(struct net_device *dev,
        struct sk_buff *skb;
        struct ieee80211_mgmt *mgmt;
        u8 *pos, *ies;
-        int i, len;
+        int i, len, count, rates_len, supp_rates_len;
        u16 capab;
        struct ieee80211_sta_bss *bss;
        int wmm = 0;
        struct ieee80211_supported_band *sband;
+        u64 rates = 0;
        skb = dev_alloc_skb(local->hw.extra_tx_headroom +
                            sizeof(*mgmt) + 200 + ifsta->extra_ie_len +
@@ -740,24 +761,39 @@ static void ieee80211_send_assoc(struct net_device *dev,
        *pos++ = ifsta->ssid_len;
        memcpy(pos, ifsta->ssid, ifsta->ssid_len);
+        /* all supported rates should be added here but some APs
+         * (e.g. D-Link DAP 1353 in b-only mode) don't like that
+         * Therefore only add rates the AP supports */
+        rates_len = ieee80211_compatible_rates(bss, sband, &rates);
+        supp_rates_len = rates_len;
+        if (supp_rates_len > 8)
+                supp_rates_len = 8;
        len = sband->n_bitrates;
-        if (len > 8)
+        pos = skb_put(skb, supp_rates_len + 2);
-                len = 8;
-        pos = skb_put(skb, len + 2);
        *pos++ = WLAN_EID_SUPP_RATES;
-        *pos++ = len;
+        *pos++ = supp_rates_len;
-        for (i = 0; i < len; i++) {
-                int rate = sband->bitrates[i].bitrate;
-                *pos++ = (u8) (rate / 5);
-        }
-        if (sband->n_bitrates > len) {
+        count = 0;
-                pos = skb_put(skb, sband->n_bitrates - len + 2);
+        for (i = 0; i < sband->n_bitrates; i++) {
-                *pos++ = WLAN_EID_EXT_SUPP_RATES;
+                if (BIT(i) & rates) {
-                *pos++ = sband->n_bitrates - len;
-                for (i = len; i < sband->n_bitrates; i++) {
                        int rate = sband->bitrates[i].bitrate;
                        *pos++ = (u8) (rate / 5);
+                        if (++count == 8)
+                                break;
+                }
+        }
+        if (count == 8) {
+                pos = skb_put(skb, rates_len - count + 2);
+                *pos++ = WLAN_EID_EXT_SUPP_RATES;
+                *pos++ = rates_len - count;
+                for (i++; i < sband->n_bitrates; i++) {
+                        if (BIT(i) & rates) {
+                                int rate = sband->bitrates[i].bitrate;
+                                *pos++ = (u8) (rate / 5);
+                        }
                }
        }
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 02f436a86061..1958bfb361c6 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1305,11 +1305,11 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
                if (is_multicast_ether_addr(skb->data)) {
                        if (*mesh_ttl > 0) {
                                xmit_skb = skb_copy(skb, GFP_ATOMIC);
-                                if (!xmit_skb && net_ratelimit())
+                                if (xmit_skb)
+                                        xmit_skb->pkt_type = PACKET_OTHERHOST;
+                                else if (net_ratelimit())
                                        printk(KERN_DEBUG "%s: failed to clone "
                                               "multicast frame\n", dev->name);
-                                else
-                                        xmit_skb->pkt_type = PACKET_OTHERHOST;
                        } else
                                IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.sta,
                                                             dropped_frames_ttl);
@@ -1395,7 +1395,7 @@ ieee80211_rx_h_amsdu(struct ieee80211_rx_data *rx)
                padding = ((4 - subframe_len) & 0x3);
                /* the last MSDU has no padding */
                if (subframe_len > remaining) {
-                        printk(KERN_DEBUG "%s: wrong buffer size", dev->name);
+                        printk(KERN_DEBUG "%s: wrong buffer size\n", dev->name);
                        return RX_DROP_UNUSABLE;
                }
@@ -1418,7 +1418,7 @@ ieee80211_rx_h_amsdu(struct ieee80211_rx_data *rx)
                        eth = (struct ethhdr *) skb_pull(skb, ntohs(len) +
                                                        padding);
                        if (!eth) {
-                                printk(KERN_DEBUG "%s: wrong buffer size ",
+                                printk(KERN_DEBUG "%s: wrong buffer size\n",
                                       dev->name);
                                dev_kfree_skb(frame);
                                return RX_DROP_UNUSABLE;
@@ -1952,7 +1952,7 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
                if (!skb_new) {
                        if (net_ratelimit())
                                printk(KERN_DEBUG "%s: failed to copy "
-                                       "multicast frame for %s",
+                                       "multicast frame for %s\n",
                                       wiphy_name(local->hw.wiphy),
                                       prev->dev->name);
                        continue;
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index f35eaea98e73..1d7dd54aacef 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1562,13 +1562,13 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
         * be cloned. This could happen, e.g., with Linux bridge code passing
         * us broadcast frames. */
-        if (head_need > 0 || skb_cloned(skb)) {
+        if (head_need > 0 || skb_header_cloned(skb)) {
 #if 0
                printk(KERN_DEBUG "%s: need to reallocate buffer for %d bytes "
                       "of headroom\n", dev->name, head_need);
 #endif
-                if (skb_cloned(skb))
+                if (skb_header_cloned(skb))
                        I802_DEBUG_INC(local->tx_expand_skb_head_cloned);
                else
                        I802_DEBUG_INC(local->tx_expand_skb_head);
@@ -1898,6 +1898,7 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
                        control->flags |= IEEE80211_TXCTL_SHORT_PREAMBLE;
                control->antenna_sel_tx = local->hw.conf.antenna_sel_tx;
                control->flags |= IEEE80211_TXCTL_NO_ACK;
+                control->flags |= IEEE80211_TXCTL_DO_NOT_ENCRYPT;
                control->retry_limit = 1;
                control->flags |= IEEE80211_TXCTL_CLEAR_PS_FILT;
        }
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index cc9f715c7bfc..24a465c4df09 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -153,15 +153,15 @@ int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr)
        /* 7.1.3.5a.2 */
        switch (ae) {
        case 0:
-                return 5;
+                return 6;
        case 1:
-                return 11;
+                return 12;
        case 2:
-                return 17;
+                return 18;
        case 3:
-                return 23;
+                return 24;
        default:
-                return 5;
+                return 6;
        }
 }
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 64faa3dc488f..dc1598b86004 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -394,7 +394,8 @@ static int wme_qdiscop_init(struct Qdisc *qd, struct nlattr *opt)
                                                 qd->handle);
                if (!q->queues[i]) {
                        q->queues[i] = &noop_qdisc;
-                        printk(KERN_ERR "%s child qdisc %i creation failed", dev->name, i);
+                        printk(KERN_ERR "%s child qdisc %i creation failed\n",
+                               dev->name, i);
                }
        }
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 16774ecd1c4e..0edefcfc5949 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -472,6 +472,9 @@ static int ctnetlink_conntrack_event(struct notifier_block *this,
                goto nla_put_failure;
        nla_nest_end(skb, nest_parms);
+        if (ctnetlink_dump_id(skb, ct) < 0)
+                goto nla_put_failure;
        if (events & IPCT_DESTROY) {
                if (ctnetlink_dump_counters(skb, ct, IP_CT_DIR_ORIGINAL) < 0 ||
                    ctnetlink_dump_counters(skb, ct, IP_CT_DIR_REPLY) < 0)
diff --git a/net/netfilter/xt_iprange.c b/net/netfilter/xt_iprange.c
index 500528d60cd7..c63e9333c755 100644
--- a/net/netfilter/xt_iprange.c
+++ b/net/netfilter/xt_iprange.c
@@ -179,3 +179,5 @@ module_exit(iprange_mt_exit);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>, Jan Engelhardt <jengelh@computergmbh.de>");
 MODULE_DESCRIPTION("Xtables: arbitrary IPv4 range matching");
+MODULE_ALIAS("ipt_iprange");
+MODULE_ALIAS("ip6t_iprange");
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 25070240d4ae..2cee87da4441 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -743,7 +743,7 @@ static int packet_sendmsg(struct kiocb *iocb, struct socket *sock,
        if (len > dev->mtu+reserve)
                goto out_unlock;
-        skb = sock_alloc_send_skb(sk, len + LL_RESERVED_SPACE(dev),
+        skb = sock_alloc_send_skb(sk, len + LL_ALLOCATED_SPACE(dev),
                                msg->msg_flags & MSG_DONTWAIT, &err);
        if (skb==NULL)
                goto out_unlock;
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 81b606424e12..bbc7107c86cf 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -2418,7 +2418,8 @@ static int sctp_process_param(struct sctp_association *asoc,
                                break;
                        case SCTP_PARAM_IPV6_ADDRESS:
-                                asoc->peer.ipv6_address = 1;
+                                if (PF_INET6 == asoc->base.sk->sk_family)
+                                        asoc->peer.ipv6_address = 1;
                                break;
                        case SCTP_PARAM_HOST_NAME_ADDRESS:
@@ -2829,6 +2830,19 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
        addr_param = (union sctp_addr_param *)
                        ((void *)asconf_param + sizeof(sctp_addip_param_t));
+        switch (addr_param->v4.param_hdr.type) {
+        case SCTP_PARAM_IPV6_ADDRESS:
+                if (!asoc->peer.ipv6_address)
+                        return SCTP_ERROR_INV_PARAM;
+                break;
+        case SCTP_PARAM_IPV4_ADDRESS:
+                if (!asoc->peer.ipv4_address)
+                        return SCTP_ERROR_INV_PARAM;
+                break;
+        default:
+                return SCTP_ERROR_INV_PARAM;
+        }
        af = sctp_get_af_specific(param_type2af(addr_param->v4.param_hdr.type));
        if (unlikely(!af))
                return SCTP_ERROR_INV_PARAM;
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index 09cd9c0c2d80..3f964db908a7 100644
--- a/net/xfrm/xfrm_output.c
+++ b/net/xfrm/xfrm_output.c
@@ -25,11 +25,11 @@ static int xfrm_state_check_space(struct xfrm_state *x, struct sk_buff *skb)
        struct dst_entry *dst = skb->dst;
        int nhead = dst->header_len + LL_RESERVED_SPACE(dst->dev)
                - skb_headroom(skb);
+        int ntail = dst->dev->needed_tailroom - skb_tailroom(skb);
-        if (nhead > 0)
+        if (nhead > 0 || ntail > 0)
-                return pskb_expand_head(skb, nhead, 0, GFP_ATOMIC);
+                return pskb_expand_head(skb, nhead, ntail, GFP_ATOMIC);
-        /* Check tail too... */
        return 0;
 }
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index 630684f4a0bc..09b1661b8a3a 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -539,8 +539,8 @@ static const char *intercon[][3] = {
        {"HPRCOM", NULL, "Right HP Com"},
        /* Mono Output */
-        {"MONOLOUT", NULL, "Mono Out"},
+        {"MONO_LOUT", NULL, "Mono Out"},
-        {"MONOLOUT", NULL, "Mono Out"},
+        {"MONO_LOUT", NULL, "Mono Out"},
        /* Left Input */
        {"Left Line1L Mux", "single-ended", "LINE1L"},
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index b2a11b0d2e4c..f588545698f3 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -416,7 +416,7 @@ static int fsl_ssi_trigger(struct snd_pcm_substream *substream, int cmd)
                         * to put data into its FIFO.  Without it, ALSA starts
                         * to complain about overruns.
                         */
-                        msleep(1);
+                        mdelay(1);
                }
                break;
diff --git a/sound/soc/omap/n810.c b/sound/soc/omap/n810.c
index 83b1eb4e40f3..6533563a6011 100644
--- a/sound/soc/omap/n810.c
+++ b/sound/soc/omap/n810.c
@@ -188,8 +188,8 @@ static const char *audio_map[][3] = {
 static const char *spk_function[] = {"Off", "On"};
 static const char *jack_function[] = {"Off", "Headphone"};
 static const struct soc_enum n810_enum[] = {
-        SOC_ENUM_SINGLE_EXT(2, spk_function),
+        SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
-        SOC_ENUM_SINGLE_EXT(3, jack_function),
+        SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
 };
 static const struct snd_kcontrol_new aic33_n810_controls[] = {
diff --git a/sound/synth/emux/emux_synth.c b/sound/synth/emux/emux_synth.c
index 478369bb38c3..b343818dbb96 100644
--- a/sound/synth/emux/emux_synth.c
+++ b/sound/synth/emux/emux_synth.c
@@ -341,8 +341,12 @@ snd_emux_control(void *p, int type, struct snd_midi_channel *chan)
        case MIDI_CTL_SOFT_PEDAL:
 #ifdef SNDRV_EMUX_USE_RAW_EFFECT
                /* FIXME: this is an emulation */
-                snd_emux_send_effect(port, chan, EMUX_FX_CUTOFF, -160,
+                if (chan->control[type] >= 64)
+                        snd_emux_send_effect(port, chan, EMUX_FX_CUTOFF, -160,
                                     EMUX_FX_FLAG_ADD);
+                else
+                        snd_emux_send_effect(port, chan, EMUX_FX_CUTOFF, 0,
+                                     EMUX_FX_FLAG_OFF);
 #endif
                break;