Merge branch 'master'

112 files changed, 1065 insertions, 1476 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 77bb08606912..da6973adacda 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1284,8 +1284,8 @@ T:	git kernel.org:/pub/scm/linux/kernel/git/roland/infiniband.git
 S:      Supported
 
 INPUT (KEYBOARD, MOUSE, JOYSTICK) DRIVERS
-P:      Vojtech Pavlik
-M:      vojtech@suse.cz
+P:      Dmitry Torokhov
+M:      dtor_core@ameritech.net
 L:      linux-input@atrey.karlin.mff.cuni.cz
 L:      linux-joystick@atrey.karlin.mff.cuni.cz
 T:      git kernel.org:/pub/scm/linux/kernel/git/dtor/input.git
diff --git a/arch/alpha/kernel/machvec_impl.h b/arch/alpha/kernel/machvec_impl.h
index 4959b7a3e1e6..11f996f24fde 100644
--- a/arch/alpha/kernel/machvec_impl.h
+++ b/arch/alpha/kernel/machvec_impl.h
@@ -41,7 +41,7 @@
 #define CAT1(x,y)  x##y
 #define CAT(x,y)   CAT1(x,y)
 
-#define DO_DEFAULT_RTC rtc_port: 0x70
+#define DO_DEFAULT_RTC .rtc_port = 0x70
 
 #define DO_EV4_MMU                                                      \
         .max_asn =                      EV4_MAX_ASN,                    \
diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c
index 6055e1427ba3..055bf5d28894 100644
--- a/arch/arm/kernel/module.c
+++ b/arch/arm/kernel/module.c
@@ -101,6 +101,8 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex,
                         break;
 
                 case R_ARM_PC24:
+                case R_ARM_CALL:
+                case R_ARM_JUMP24:
                         offset = (*(u32 *)loc & 0x00ffffff) << 2;
                         if (offset & 0x02000000)
                                 offset -= 0x04000000;
diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c
index f74b9af112dc..852ea72d8c80 100644
--- a/arch/arm/mach-pxa/pm.c
+++ b/arch/arm/mach-pxa/pm.c
@@ -155,19 +155,20 @@ int pxa_pm_enter(suspend_state_t state)
         PSPR = 0;
 
         /* restore registers */
+        RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2);
+        RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2);
         RESTORE(GAFR0_L); RESTORE(GAFR0_U);
         RESTORE(GAFR1_L); RESTORE(GAFR1_U);
         RESTORE(GAFR2_L); RESTORE(GAFR2_U);
-        RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2);
-        RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2);
         RESTORE(GRER0); RESTORE(GRER1); RESTORE(GRER2);
         RESTORE(GFER0); RESTORE(GFER1); RESTORE(GFER2);
         RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2);
 
 #ifdef CONFIG_PXA27x
         RESTORE(MDREFR);
-        RESTORE(GAFR3_L); RESTORE(GAFR3_U); RESTORE_GPLEVEL(3);
-        RESTORE(GPDR3); RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3);
+        RESTORE_GPLEVEL(3); RESTORE(GPDR3);
+        RESTORE(GAFR3_L); RESTORE(GAFR3_U);
+        RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3);
         RESTORE(PWER); RESTORE(PCFR); RESTORE(PRER);
         RESTORE(PFER); RESTORE(PKWR);
 #endif
diff --git a/arch/i386/mm/ioremap.c b/arch/i386/mm/ioremap.c
index 8498b5ac3955..247fde76aaed 100644
--- a/arch/i386/mm/ioremap.c
+++ b/arch/i386/mm/ioremap.c
@@ -245,7 +245,7 @@ void iounmap(volatile void __iomem *addr)
                         addr < phys_to_virt(ISA_END_ADDRESS))
                 return;
 
-        addr = (volatile void *)(PAGE_MASK & (unsigned long __force)addr);
+        addr = (volatile void __iomem *)(PAGE_MASK & (unsigned long __force)addr);
 
         /* Use the vm area unlocked, assuming the caller
            ensures there isn't another iounmap for the same address
diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c
index 08a084901212..4bb4d4b0f73a 100644
--- a/arch/i386/pci/mmconfig.c
+++ b/arch/i386/pci/mmconfig.c
@@ -155,7 +155,7 @@ static __init void unreachable_devices(void)
                 addr = get_base_addr(0, 0, PCI_DEVFN(i, 0));
                 if (addr != 0)
                         pci_exp_set_dev_base(addr, 0, PCI_DEVFN(i, 0));
-                if (addr == 0 || readl((u32 *)addr) != val1)
+                if (addr == 0 || readl((u32 __iomem *)mmcfg_virt_addr) != val1)
                         set_bit(i, fallback_slots);
                 spin_unlock_irqrestore(&pci_config_lock, flags);
         }
diff --git a/arch/ia64/configs/sn2_defconfig b/arch/ia64/configs/sn2_defconfig
index e1924cc9687b..ff8bb3770c9d 100644
--- a/arch/ia64/configs/sn2_defconfig
+++ b/arch/ia64/configs/sn2_defconfig
@@ -113,7 +113,7 @@ CONFIG_IOSAPIC=y
 CONFIG_IA64_SGI_SN_XP=m
 CONFIG_FORCE_MAX_ZONEORDER=17
 CONFIG_SMP=y
-CONFIG_NR_CPUS=512
+CONFIG_NR_CPUS=1024
 # CONFIG_HOTPLUG_CPU is not set
 CONFIG_SCHED_SMT=y
 CONFIG_PREEMPT=y
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index a4da715a360c..e9904c74d2ba 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -721,11 +721,13 @@ flush_thread (void)
         /* drop floating-point and debug-register state if it exists: */
         current->thread.flags &= ~(IA64_THREAD_FPH_VALID | IA64_THREAD_DBG_VALID);
         ia64_drop_fpu(current);
+#ifdef CONFIG_IA32_SUPPORT
         if (IS_IA32_PROCESS(ia64_task_regs(current))) {
                 ia32_drop_partial_page_list(current);
                 current->thread.task_size = IA32_PAGE_OFFSET;
                 set_fs(USER_DS);
         }
+#endif
 }
 
 /*
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index 5b7e736f3b49..028a2b95936c 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -249,3 +249,32 @@ time_init (void)
          */
         set_normalized_timespec(&wall_to_monotonic, -xtime.tv_sec, -xtime.tv_nsec);
 }
+
+#define SMALLUSECS 100
+
+void
+udelay (unsigned long usecs)
+{
+        unsigned long start;
+        unsigned long cycles;
+        unsigned long smallusecs;
+
+        /*
+         * Execute the non-preemptible delay loop (because the ITC might
+         * not be synchronized between CPUS) in relatively short time
+         * chunks, allowing preemption between the chunks.
+         */
+        while (usecs > 0) {
+                smallusecs = (usecs > SMALLUSECS) ? SMALLUSECS : usecs;
+                preempt_disable();
+                cycles = smallusecs*local_cpu_data->cyc_per_usec;
+                start = ia64_get_itc();
+
+                while (ia64_get_itc() - start < cycles)
+                        cpu_relax();
+
+                preempt_enable();
+                usecs -= smallusecs;
+        }
+}
+EXPORT_SYMBOL(udelay);
diff --git a/arch/ia64/kernel/uncached.c b/arch/ia64/kernel/uncached.c
index c6d40446c2c4..b631cf86ed44 100644
--- a/arch/ia64/kernel/uncached.c
+++ b/arch/ia64/kernel/uncached.c
@@ -53,7 +53,7 @@ static void uncached_ipi_visibility(void *data)
         if ((status != PAL_VISIBILITY_OK) &&
             (status != PAL_VISIBILITY_OK_REMOTE_NEEDED))
                 printk(KERN_DEBUG "pal_prefetch_visibility() returns %i on "
-                       "CPU %i\n", status, get_cpu());
+                       "CPU %i\n", status, raw_smp_processor_id());
 }
 
 
@@ -63,7 +63,7 @@ static void uncached_ipi_mc_drain(void *data)
         status = ia64_pal_mc_drain();
         if (status)
                 printk(KERN_WARNING "ia64_pal_mc_drain() failed with %i on "
-                       "CPU %i\n", status, get_cpu());
+                       "CPU %i\n", status, raw_smp_processor_id());
 }
 
 
@@ -105,7 +105,7 @@ uncached_get_new_chunk(struct gen_pool *poolp)
         status = ia64_pal_prefetch_visibility(PAL_VISIBILITY_PHYSICAL);
 
         dprintk(KERN_INFO "pal_prefetch_visibility() returns %i on cpu %i\n",
-                status, get_cpu());
+                status, raw_smp_processor_id());
 
         if (!status) {
                 status = smp_call_function(uncached_ipi_visibility, NULL, 0, 1);
diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
index 30d8564e9603..73af6267d2ef 100644
--- a/arch/ia64/kernel/vmlinux.lds.S
+++ b/arch/ia64/kernel/vmlinux.lds.S
@@ -177,6 +177,9 @@ SECTIONS
         }
   . = ALIGN(PAGE_SIZE);         /* make sure the gate page doesn't expose kernel data */
 
+  .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET)
+        { *(.data.read_mostly) }
+
   .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET)
         { *(.data.cacheline_aligned) }
 
diff --git a/arch/ia64/sn/kernel/sn2/sn2_smp.c b/arch/ia64/sn/kernel/sn2/sn2_smp.c
index 5d54f5f4e926..471bbaa65d1b 100644
--- a/arch/ia64/sn/kernel/sn2/sn2_smp.c
+++ b/arch/ia64/sn/kernel/sn2/sn2_smp.c
@@ -202,7 +202,7 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start,
                      unsigned long end, unsigned long nbits)
 {
         int i, opt, shub1, cnode, mynasid, cpu, lcpu = 0, nasid, flushed = 0;
-        int mymm = (mm == current->active_mm);
+        int mymm = (mm == current->active_mm && current->mm);
         volatile unsigned long *ptc0, *ptc1;
         unsigned long itc, itc2, flags, data0 = 0, data1 = 0, rr_value;
         short nasids[MAX_NUMNODES], nix;
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_reg.c b/arch/ia64/sn/pci/pcibr/pcibr_reg.c
index 5d534091262c..79fdb91d7259 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_reg.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_reg.c
@@ -25,7 +25,7 @@ union br_ptr {
  */
 void pcireg_control_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits)
 {
-        union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+        union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
         if (pcibus_info) {
                 switch (pcibus_info->pbi_bridge_type) {
@@ -38,14 +38,14 @@ void pcireg_control_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits)
                 default:
                         panic
                             ("pcireg_control_bit_clr: unknown bridgetype bridge 0x%p",
-                             (void *)ptr);
+                             ptr);
                 }
         }
 }
 
 void pcireg_control_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
 {
-        union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+        union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
         if (pcibus_info) {
                 switch (pcibus_info->pbi_bridge_type) {
@@ -58,7 +58,7 @@ void pcireg_control_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
                 default:
                         panic
                             ("pcireg_control_bit_set: unknown bridgetype bridge 0x%p",
-                             (void *)ptr);
+                             ptr);
                 }
         }
 }
@@ -68,7 +68,7 @@ void pcireg_control_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
  */
 uint64_t pcireg_tflush_get(struct pcibus_info *pcibus_info)
 {
-        union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+        union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
         uint64_t ret = 0;
 
         if (pcibus_info) {
@@ -82,7 +82,7 @@ uint64_t pcireg_tflush_get(struct pcibus_info *pcibus_info)
                 default:
                         panic
                             ("pcireg_tflush_get: unknown bridgetype bridge 0x%p",
-                             (void *)ptr);
+                             ptr);
                 }
         }
 
@@ -98,7 +98,7 @@ uint64_t pcireg_tflush_get(struct pcibus_info *pcibus_info)
  */
 uint64_t pcireg_intr_status_get(struct pcibus_info * pcibus_info)
 {
-        union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+        union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
         uint64_t ret = 0;
 
         if (pcibus_info) {
@@ -112,7 +112,7 @@ uint64_t pcireg_intr_status_get(struct pcibus_info * pcibus_info)
                 default:
                         panic
                             ("pcireg_intr_status_get: unknown bridgetype bridge 0x%p",
-                             (void *)ptr);
+                             ptr);
                 }
         }
         return ret;
@@ -123,7 +123,7 @@ uint64_t pcireg_intr_status_get(struct pcibus_info * pcibus_info)
  */
 void pcireg_intr_enable_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits)
 {
-        union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+        union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
         if (pcibus_info) {
                 switch (pcibus_info->pbi_bridge_type) {
@@ -136,14 +136,14 @@ void pcireg_intr_enable_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits)
                 default:
                         panic
                             ("pcireg_intr_enable_bit_clr: unknown bridgetype bridge 0x%p",
-                             (void *)ptr);
+                             ptr);
                 }
         }
 }
 
 void pcireg_intr_enable_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
 {
-        union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+        union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
         if (pcibus_info) {
                 switch (pcibus_info->pbi_bridge_type) {
@@ -156,7 +156,7 @@ void pcireg_intr_enable_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
                 default:
                         panic
                             ("pcireg_intr_enable_bit_set: unknown bridgetype bridge 0x%p",
-                             (void *)ptr);
+                             ptr);
                 }
         }
 }
@@ -167,7 +167,7 @@ void pcireg_intr_enable_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
 void pcireg_intr_addr_addr_set(struct pcibus_info *pcibus_info, int int_n,
                                uint64_t addr)
 {
-        union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+        union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
         if (pcibus_info) {
                 switch (pcibus_info->pbi_bridge_type) {
@@ -186,7 +186,7 @@ void pcireg_intr_addr_addr_set(struct pcibus_info *pcibus_info, int int_n,
                 default:
                         panic
                             ("pcireg_intr_addr_addr_get: unknown bridgetype bridge 0x%p",
-                             (void *)ptr);
+                             ptr);
                 }
         }
 }
@@ -196,7 +196,7 @@ void pcireg_intr_addr_addr_set(struct pcibus_info *pcibus_info, int int_n,
  */
 void pcireg_force_intr_set(struct pcibus_info *pcibus_info, int int_n)
 {
-        union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+        union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
         if (pcibus_info) {
                 switch (pcibus_info->pbi_bridge_type) {
@@ -209,7 +209,7 @@ void pcireg_force_intr_set(struct pcibus_info *pcibus_info, int int_n)
                 default:
                         panic
                             ("pcireg_force_intr_set: unknown bridgetype bridge 0x%p",
-                             (void *)ptr);
+                             ptr);
                 }
         }
 }
@@ -219,7 +219,7 @@ void pcireg_force_intr_set(struct pcibus_info *pcibus_info, int int_n)
  */
 uint64_t pcireg_wrb_flush_get(struct pcibus_info *pcibus_info, int device)
 {
-        union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+        union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
         uint64_t ret = 0;
 
         if (pcibus_info) {
@@ -233,7 +233,7 @@ uint64_t pcireg_wrb_flush_get(struct pcibus_info *pcibus_info, int device)
                             __sn_readq_relaxed(&ptr->pic.p_wr_req_buf[device]);
                         break;
                 default:
-                      panic("pcireg_wrb_flush_get: unknown bridgetype bridge 0x%p", (void *)ptr);
+                      panic("pcireg_wrb_flush_get: unknown bridgetype bridge 0x%p", ptr);
                 }
 
         }
@@ -244,7 +244,7 @@ uint64_t pcireg_wrb_flush_get(struct pcibus_info *pcibus_info, int device)
 void pcireg_int_ate_set(struct pcibus_info *pcibus_info, int ate_index,
                         uint64_t val)
 {
-        union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+        union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
         if (pcibus_info) {
                 switch (pcibus_info->pbi_bridge_type) {
@@ -257,15 +257,15 @@ void pcireg_int_ate_set(struct pcibus_info *pcibus_info, int ate_index,
                 default:
                         panic
                             ("pcireg_int_ate_set: unknown bridgetype bridge 0x%p",
-                             (void *)ptr);
+                             ptr);
                 }
         }
 }
 
-uint64_t *pcireg_int_ate_addr(struct pcibus_info *pcibus_info, int ate_index)
+uint64_t __iomem *pcireg_int_ate_addr(struct pcibus_info *pcibus_info, int ate_index)
 {
-        union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
-        uint64_t *ret = (uint64_t *) 0;
+        union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
+        uint64_t __iomem *ret = NULL;
 
         if (pcibus_info) {
                 switch (pcibus_info->pbi_bridge_type) {
@@ -278,7 +278,7 @@ uint64_t *pcireg_int_ate_addr(struct pcibus_info *pcibus_info, int ate_index)
                 default:
                         panic
                             ("pcireg_int_ate_addr: unknown bridgetype bridge 0x%p",
-                             (void *)ptr);
+                             ptr);
                 }
         }
         return ret;
diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c
index 46b646a6d345..27aa1842dacc 100644
--- a/arch/ia64/sn/pci/tioca_provider.c
+++ b/arch/ia64/sn/pci/tioca_provider.c
@@ -38,10 +38,10 @@ tioca_gart_init(struct tioca_kernel *tioca_kern)
         uint64_t offset;
         struct page *tmp;
         struct tioca_common *tioca_common;
-        struct tioca *ca_base;
+        struct tioca __iomem *ca_base;
 
         tioca_common = tioca_kern->ca_common;
-        ca_base = (struct tioca *)tioca_common->ca_common.bs_base;
+        ca_base = (struct tioca __iomem *)tioca_common->ca_common.bs_base;
 
         if (list_empty(tioca_kern->ca_devices))
                 return 0;
@@ -215,7 +215,7 @@ tioca_fastwrite_enable(struct tioca_kernel *tioca_kern)
 {
         int cap_ptr;
         uint32_t reg;
-        struct tioca *tioca_base;
+        struct tioca __iomem *tioca_base;
         struct pci_dev *pdev;
         struct tioca_common *common;
 
@@ -257,7 +257,7 @@ tioca_fastwrite_enable(struct tioca_kernel *tioca_kern)
          * Set ca's fw to match
          */
 
-        tioca_base = (struct tioca *)common->ca_common.bs_base;
+        tioca_base = (struct tioca __iomem*)common->ca_common.bs_base;
         __sn_setq_relaxed(&tioca_base->ca_control1, CA_AGP_FW_ENABLE);
 }
 
@@ -322,7 +322,7 @@ static uint64_t
 tioca_dma_d48(struct pci_dev *pdev, uint64_t paddr)
 {
         struct tioca_common *tioca_common;
-        struct tioca *ca_base;
+        struct tioca __iomem *ca_base;
         uint64_t ct_addr;
         dma_addr_t bus_addr;
         uint32_t node_upper;
@@ -330,7 +330,7 @@ tioca_dma_d48(struct pci_dev *pdev, uint64_t paddr)
         struct pcidev_info *pcidev_info = SN_PCIDEV_INFO(pdev);
 
         tioca_common = (struct tioca_common *)pcidev_info->pdi_pcibus_info;
-        ca_base = (struct tioca *)tioca_common->ca_common.bs_base;
+        ca_base = (struct tioca __iomem *)tioca_common->ca_common.bs_base;
 
         ct_addr = PHYS_TO_TIODMA(paddr);
         if (!ct_addr)
diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c
index f72ced11212d..91b93d917b64 100644
--- a/arch/powerpc/kernel/syscalls.c
+++ b/arch/powerpc/kernel/syscalls.c
@@ -247,7 +247,7 @@ long ppc64_personality(unsigned long personality)
 #define OVERRIDE_MACHINE    0
 #endif
 
-static inline int override_machine(char *mach)
+static inline int override_machine(char __user *mach)
 {
         if (OVERRIDE_MACHINE) {
                 /* change ppc64 to ppc */
diff --git a/arch/ppc/syslib/ppc4xx_dma.c b/arch/ppc/syslib/ppc4xx_dma.c
index f15e64285f96..05ccd598dd4e 100644
--- a/arch/ppc/syslib/ppc4xx_dma.c
+++ b/arch/ppc/syslib/ppc4xx_dma.c
@@ -30,6 +30,7 @@
 
 #include <asm/system.h>
 #include <asm/io.h>
+#include <asm/dma.h>
 #include <asm/ppc4xx_dma.h>
 
 ppc_dma_ch_t dma_channels[MAX_PPC4xx_DMA_CHANNELS];
diff --git a/arch/sparc/kernel/ebus.c b/arch/sparc/kernel/ebus.c
index 1754192c69d0..5c3529ceb5d6 100644
--- a/arch/sparc/kernel/ebus.c
+++ b/arch/sparc/kernel/ebus.c
@@ -22,7 +22,7 @@
 #include <asm/oplib.h>
 #include <asm/bpp.h>
 
-struct linux_ebus *ebus_chain = 0;
+struct linux_ebus *ebus_chain = NULL;
 
 /* We are together with pcic.c under CONFIG_PCI. */
 extern unsigned int pcic_pin_to_irq(unsigned int, char *name);
@@ -46,7 +46,7 @@ static struct ebus_device_irq je1_1[] = {
         { "SUNW,CS4231",         0 },
         { "parallel",            0 },
         { "se",                  2 },
-        { 0, 0 }
+        { NULL, 0 }
 };
 
 /*
@@ -55,7 +55,7 @@ static struct ebus_device_irq je1_1[] = {
  */
 static struct ebus_system_entry ebus_blacklist[] = {
         { "SUNW,JavaEngine1", je1_1 },
-        { 0, 0 }
+        { NULL, NULL }
 };
 
 static struct ebus_device_irq *ebus_blackp = NULL;
@@ -233,7 +233,7 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev)
                         ebus_alloc(sizeof(struct linux_ebus_child));
 
                 child = dev->children;
-                child->next = 0;
+                child->next = NULL;
                 child->parent = dev;
                 child->bus = dev->bus;
                 fill_ebus_child(node, &regs[0], child);
@@ -243,7 +243,7 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev)
                                 ebus_alloc(sizeof(struct linux_ebus_child));
 
                         child = child->next;
-                        child->next = 0;
+                        child->next = NULL;
                         child->parent = dev;
                         child->bus = dev->bus;
                         fill_ebus_child(node, &regs[0], child);
@@ -275,7 +275,7 @@ void __init ebus_init(void)
                 }
         }
 
-        pdev = pci_get_device(PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_EBUS, 0);
+        pdev = pci_get_device(PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_EBUS, NULL);
         if (!pdev) {
                 return;
         }
@@ -284,7 +284,7 @@ void __init ebus_init(void)
 
         ebus_chain = ebus = (struct linux_ebus *)
                         ebus_alloc(sizeof(struct linux_ebus));
-        ebus->next = 0;
+        ebus->next = NULL;
 
         while (ebusnd) {
 
@@ -325,8 +325,8 @@ void __init ebus_init(void)
                                 ebus_alloc(sizeof(struct linux_ebus_device));
 
                 dev = ebus->devices;
-                dev->next = 0;
-                dev->children = 0;
+                dev->next = NULL;
+                dev->children = NULL;
                 dev->bus = ebus;
                 fill_ebus_device(nd, dev);
 
@@ -335,8 +335,8 @@ void __init ebus_init(void)
                                 ebus_alloc(sizeof(struct linux_ebus_device));
 
                         dev = dev->next;
-                        dev->next = 0;
-                        dev->children = 0;
+                        dev->next = NULL;
+                        dev->children = NULL;
                         dev->bus = ebus;
                         fill_ebus_device(nd, dev);
                 }
@@ -353,7 +353,7 @@ void __init ebus_init(void)
                 ebus->next = (struct linux_ebus *)
                         ebus_alloc(sizeof(struct linux_ebus));
                 ebus = ebus->next;
-                ebus->next = 0;
+                ebus->next = NULL;
                 ++num_ebus;
         }
         if (pdev)
diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c
index 2a3afca453c9..313d1620ae8e 100644
--- a/arch/sparc/kernel/led.c
+++ b/arch/sparc/kernel/led.c
@@ -55,7 +55,7 @@ static int led_read_proc(char *buf, char **start, off_t offset, int count,
         return len;
 }
 
-static int led_write_proc(struct file *file, const char *buffer,
+static int led_write_proc(struct file *file, const char __user *buffer,
                           unsigned long count, void *data)
 {
         char *buf = NULL;
diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c
index cccfc12802ed..42002b742deb 100644
--- a/arch/sparc/kernel/pcic.c
+++ b/arch/sparc/kernel/pcic.c
@@ -161,7 +161,7 @@ static struct pcic_sn2list pcic_known_sysnames[] = {
 static int pcic0_up;
 static struct linux_pcic pcic0;
 
-void * __iomem pcic_regs;
+void __iomem *pcic_regs;
 volatile int pcic_speculative;
 volatile int pcic_trapped;
 
diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c
index 24814d58f9e1..7dadcdb4ca42 100644
--- a/arch/sparc/kernel/time.c
+++ b/arch/sparc/kernel/time.c
@@ -49,7 +49,7 @@ DEFINE_SPINLOCK(rtc_lock);
 enum sparc_clock_type sp_clock_typ;
 DEFINE_SPINLOCK(mostek_lock);
 void __iomem *mstk48t02_regs = NULL;
-static struct mostek48t08 *mstk48t08_regs = NULL;
+static struct mostek48t08 __iomem *mstk48t08_regs = NULL;
 static int set_rtc_mmss(unsigned long);
 static int sbus_do_settimeofday(struct timespec *tv);
 
@@ -342,7 +342,7 @@ static __inline__ void clock_probe(void)
                 /* XXX r/o attribute is somewhere in r.flags */
                 r.flags = clk_reg[0].which_io;
                 r.start = clk_reg[0].phys_addr;
-                mstk48t08_regs = (struct mostek48t08 *) sbus_ioremap(&r, 0,
+                mstk48t08_regs = sbus_ioremap(&r, 0,
                     sizeof(struct mostek48t08), "mk48t08");
 
                 mstk48t02_regs = &mstk48t08_regs->regs;
diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c
index 1d560390e282..731f19603cad 100644
--- a/arch/sparc/mm/sun4c.c
+++ b/arch/sparc/mm/sun4c.c
@@ -497,7 +497,7 @@ static void __init sun4c_probe_mmu(void)
         patch_kernel_fault_handler();
 }
 
-volatile unsigned long *sun4c_memerr_reg = NULL;
+volatile unsigned long __iomem *sun4c_memerr_reg = NULL;
 
 void __init sun4c_probe_memerr_reg(void)
 {
diff --git a/arch/um/Kconfig b/arch/um/Kconfig
index 563301fe5df8..1eb21de9d1b5 100644
--- a/arch/um/Kconfig
+++ b/arch/um/Kconfig
@@ -289,6 +289,8 @@ source "arch/um/Kconfig.net"
 
 source "drivers/net/Kconfig"
 
+source "drivers/connector/Kconfig"
+
 source "fs/Kconfig"
 
 source "security/Kconfig"
diff --git a/arch/um/Makefile-x86_64 b/arch/um/Makefile-x86_64
index 4f118d5cc2ee..38df311e75dc 100644
--- a/arch/um/Makefile-x86_64
+++ b/arch/um/Makefile-x86_64
@@ -12,3 +12,7 @@ CHECKFLAGS  += -m64
 
 ELF_ARCH := i386:x86-64
 ELF_FORMAT := elf64-x86-64
+
+# Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example.
+
+LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64
diff --git a/arch/um/include/sysdep-i386/stub.h b/arch/um/include/sysdep-i386/stub.h
index 6ba8cbbe0d36..b492b12b4a10 100644
--- a/arch/um/include/sysdep-i386/stub.h
+++ b/arch/um/include/sysdep-i386/stub.h
@@ -6,8 +6,12 @@
 #ifndef __SYSDEP_STUB_H
 #define __SYSDEP_STUB_H
 
+#include <sys/mman.h>
 #include <asm/ptrace.h>
 #include <asm/unistd.h>
+#include "stub-data.h"
+#include "kern_constants.h"
+#include "uml-config.h"
 
 extern void stub_segv_handler(int sig);
 extern void stub_clone_handler(void);
@@ -76,23 +80,22 @@ static inline long stub_syscall5(long syscall, long arg1, long arg2, long arg3,
         return ret;
 }
 
-static inline long stub_syscall6(long syscall, long arg1, long arg2, long arg3,
-                                 long arg4, long arg5, long arg6)
+static inline void trap_myself(void)
 {
-        long ret;
-
-        __asm__ volatile ("push %%ebp ; movl %%eax,%%ebp ; movl %1,%%eax ; "
-                        "int $0x80 ; pop %%ebp"
-                        : "=a" (ret)
-                        : "g" (syscall), "b" (arg1), "c" (arg2), "d" (arg3),
-                          "S" (arg4), "D" (arg5), "0" (arg6));
-
-        return ret;
+        __asm("int3");
 }
 
-static inline void trap_myself(void)
+static inline void remap_stack(int fd, unsigned long offset)
 {
-        __asm("int3");
+        __asm__ volatile ("movl %%eax,%%ebp ; movl %0,%%eax ; int $0x80 ;"
+                          "movl %7, %%ebx ; movl %%eax, (%%ebx)"
+                          : : "g" (STUB_MMAP_NR), "b" (UML_CONFIG_STUB_DATA), 
+                            "c" (UM_KERN_PAGE_SIZE), 
+                            "d" (PROT_READ | PROT_WRITE),
+                            "S" (MAP_FIXED | MAP_SHARED), "D" (fd), 
+                            "a" (offset), 
+                            "i" (&((struct stub_data *) UML_CONFIG_STUB_DATA)->err) 
+                          : "memory");
 }
 
 #endif
diff --git a/arch/um/include/sysdep-x86_64/stub.h b/arch/um/include/sysdep-x86_64/stub.h
index c41689c13dc9..92e989f81761 100644
--- a/arch/um/include/sysdep-x86_64/stub.h
+++ b/arch/um/include/sysdep-x86_64/stub.h
@@ -6,8 +6,12 @@
 #ifndef __SYSDEP_STUB_H
 #define __SYSDEP_STUB_H
 
+#include <sys/mman.h>
 #include <asm/unistd.h>
 #include <sysdep/ptrace_user.h>
+#include "stub-data.h"
+#include "kern_constants.h"
+#include "uml-config.h"
 
 extern void stub_segv_handler(int sig);
 extern void stub_clone_handler(void);
@@ -81,23 +85,23 @@ static inline long stub_syscall5(long syscall, long arg1, long arg2, long arg3,
         return ret;
 }
 
-static inline long stub_syscall6(long syscall, long arg1, long arg2, long arg3,
-                                 long arg4, long arg5, long arg6)
+static inline void trap_myself(void)
 {
-        long ret;
-
-        __asm__ volatile ("movq %5,%%r10 ; movq %6,%%r8 ; "
-                "movq %7, %%r9; " __syscall : "=a" (ret)
-                : "0" (syscall), "D" (arg1), "S" (arg2), "d" (arg3),
-                  "g" (arg4), "g" (arg5), "g" (arg6)
-                : __syscall_clobber, "r10", "r8", "r9" );
-
-        return ret;
+        __asm("int3");
 }
 
-static inline void trap_myself(void)
+static inline void remap_stack(long fd, unsigned long offset)
 {
-        __asm("int3");
+        __asm__ volatile ("movq %4,%%r10 ; movq %5,%%r8 ; "
+                          "movq %6, %%r9; " __syscall "; movq %7, %%rbx ; "
+                          "movq %%rax, (%%rbx)": 
+                          : "a" (STUB_MMAP_NR), "D" (UML_CONFIG_STUB_DATA), 
+                            "S" (UM_KERN_PAGE_SIZE), 
+                            "d" (PROT_READ | PROT_WRITE), 
+                            "g" (MAP_FIXED | MAP_SHARED), "g" (fd), 
+                            "g" (offset),
+                            "i" (&((struct stub_data *) UML_CONFIG_STUB_DATA)->err)
+                          : __syscall_clobber, "r10", "r8", "r9" );
 }
 
 #endif
diff --git a/arch/um/kernel/skas/clone.c b/arch/um/kernel/skas/clone.c
index cb37ce9124a6..47b812b3bca8 100644
--- a/arch/um/kernel/skas/clone.c
+++ b/arch/um/kernel/skas/clone.c
@@ -18,11 +18,10 @@
  * on some systems.
  */
 
-#define STUB_DATA(field) (((struct stub_data *) UML_CONFIG_STUB_DATA)->field)
-
 void __attribute__ ((__section__ (".__syscall_stub")))
 stub_clone_handler(void)
 {
+        struct stub_data *data = (struct stub_data *) UML_CONFIG_STUB_DATA;
         long err;
 
         err = stub_syscall2(__NR_clone, CLONE_PARENT | CLONE_FILES | SIGCHLD,
@@ -35,17 +34,21 @@ stub_clone_handler(void)
         if(err)
                 goto out;
 
-        err = stub_syscall3(__NR_setitimer, ITIMER_VIRTUAL,
-                            (long) &STUB_DATA(timer), 0);
+        err = stub_syscall3(__NR_setitimer, ITIMER_VIRTUAL, 
+                            (long) &data->timer, 0);
         if(err)
                 goto out;
 
-        err = stub_syscall6(STUB_MMAP_NR, UML_CONFIG_STUB_DATA,
-                            UM_KERN_PAGE_SIZE, PROT_READ | PROT_WRITE,
-                            MAP_FIXED | MAP_SHARED, STUB_DATA(fd),
-                            STUB_DATA(offset));
+        remap_stack(data->fd, data->offset);
+        goto done;
+
  out:
-        /* save current result. Parent: pid; child: retcode of mmap */
-        STUB_DATA(err) = err;
+        /* save current result. 
+         * Parent: pid; 
+         * child: retcode of mmap already saved and it jumps around this 
+         * assignment
+         */
+        data->err = err;
+ done:
         trap_myself();
 }
diff --git a/arch/um/scripts/Makefile.rules b/arch/um/scripts/Makefile.rules
index b3fbf125709b..2e41cabd3d93 100644
--- a/arch/um/scripts/Makefile.rules
+++ b/arch/um/scripts/Makefile.rules
@@ -21,11 +21,6 @@ define unprofile
 endef
 
 
-# The stubs and unmap.o can't try to call mcount or update basic block data
-define unprofile
-        $(patsubst -pg,,$(patsubst -fprofile-arcs -ftest-coverage,,$(1)))
-endef
-
 # cmd_make_link checks to see if the $(foo-dir) variable starts with a /.  If
 # so, it's considered to be a path relative to $(srcdir) rather than
 # $(srcdir)/arch/$(SUBARCH).  This is because x86_64 wants to get ldt.c from
diff --git a/arch/x86_64/mm/ioremap.c b/arch/x86_64/mm/ioremap.c
index 0d260e4492f7..ae207064201e 100644
--- a/arch/x86_64/mm/ioremap.c
+++ b/arch/x86_64/mm/ioremap.c
@@ -263,7 +263,7 @@ void iounmap(volatile void __iomem *addr)
                 addr < phys_to_virt(ISA_END_ADDRESS))
                 return;
 
-        addr = (volatile void *)(PAGE_MASK & (unsigned long __force)addr);
+        addr = (volatile void __iomem *)(PAGE_MASK & (unsigned long __force)addr);
         /* Use the vm area unlocked, assuming the caller
            ensures there isn't another iounmap for the same address
            in parallel. Reuse of the virtual address is prevented by
diff --git a/arch/x86_64/pci/mmconfig.c b/arch/x86_64/pci/mmconfig.c
index 9c4f907e301c..f16c0d57c552 100644
--- a/arch/x86_64/pci/mmconfig.c
+++ b/arch/x86_64/pci/mmconfig.c
@@ -18,11 +18,11 @@ static DECLARE_BITMAP(fallback_slots, 32);
 /* Static virtual mapping of the MMCONFIG aperture */
 struct mmcfg_virt {
         struct acpi_table_mcfg_config *cfg;
-        char *virt;
+        char __iomem *virt;
 };
 static struct mmcfg_virt *pci_mmcfg_virt;
 
-static char *get_virt(unsigned int seg, unsigned bus)
+static char __iomem *get_virt(unsigned int seg, unsigned bus)
 {
         int cfg_num = -1;
         struct acpi_table_mcfg_config *cfg;
@@ -43,9 +43,9 @@ static char *get_virt(unsigned int seg, unsigned bus)
         }
 }
 
-static char *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn)
+static char __iomem *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn)
 {
-        char *addr;
+        char __iomem *addr;
         if (seg == 0 && bus == 0 && test_bit(PCI_SLOT(devfn), &fallback_slots))
                 return NULL;
         addr = get_virt(seg, bus);
@@ -57,7 +57,7 @@ static char *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn
 static int pci_mmcfg_read(unsigned int seg, unsigned int bus,
                           unsigned int devfn, int reg, int len, u32 *value)
 {
-        char *addr;
+        char __iomem *addr;
 
         /* Why do we have this when nobody checks it. How about a BUG()!? -AK */
         if (unlikely(!value || (bus > 255) || (devfn > 255) || (reg > 4095)))
@@ -85,7 +85,7 @@ static int pci_mmcfg_read(unsigned int seg, unsigned int bus,
 static int pci_mmcfg_write(unsigned int seg, unsigned int bus,
                            unsigned int devfn, int reg, int len, u32 value)
 {
-        char *addr;
+        char __iomem *addr;
 
         /* Why do we have this when nobody checks it. How about a BUG()!? -AK */
         if (unlikely((bus > 255) || (devfn > 255) || (reg > 4095)))
@@ -127,7 +127,7 @@ static __init void unreachable_devices(void)
         int i;
         for (i = 0; i < 32; i++) {
                 u32 val1;
-                char *addr;
+                char __iomem *addr;
 
                 pci_conf1_read(0, 0, PCI_DEVFN(i,0), 0, 4, &val1);
                 if (val1 == 0xffffffff)
diff --git a/drivers/atm/adummy.c b/drivers/atm/adummy.c
index d15c194be44a..d1387cfe2d30 100644
--- a/drivers/atm/adummy.c
+++ b/drivers/atm/adummy.c
@@ -123,7 +123,7 @@ static int __init adummy_init(void)
         }
         memset(adummy_dev, 0, sizeof(struct adummy_dev));
 
-        atm_dev = atm_dev_register(DEV_LABEL, &adummy_ops, -1, 0);
+        atm_dev = atm_dev_register(DEV_LABEL, &adummy_ops, -1, NULL);
         if (!atm_dev) {
                 printk(KERN_ERR DEV_LABEL ": atm_dev_register() failed\n");
                 err = -ENODEV;
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index b7ddd651d664..bc3ca6a656b2 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -28,7 +28,6 @@
 static struct sysdev_class memory_sysdev_class = {
         set_kset_name(MEMORY_CLASS_NAME),
 };
-EXPORT_SYMBOL(memory_sysdev_class);
 
 static char *memory_hotplug_name(struct kset *kset, struct kobject *kobj)
 {
diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c
index 9f2b4efd0c7a..95ae9e0892ac 100644
--- a/drivers/char/drm/radeon_cp.c
+++ b/drivers/char/drm/radeon_cp.c
@@ -1312,6 +1312,8 @@ static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on)
 static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
 {
         drm_radeon_private_t *dev_priv = dev->dev_private;;
+        unsigned int mem_size;
+
         DRM_DEBUG("\n");
 
         dev_priv->is_pci = init->is_pci;
@@ -1521,8 +1523,11 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
                                           + dev_priv->fb_location) >> 10));
 
         dev_priv->gart_size = init->gart_size;
-        dev_priv->gart_vm_start = dev_priv->fb_location
-            + RADEON_READ(RADEON_CONFIG_APER_SIZE) * 2;
+
+        mem_size = RADEON_READ(RADEON_CONFIG_MEMSIZE);
+        if (mem_size == 0)
+                mem_size = 0x800000;
+        dev_priv->gart_vm_start = dev_priv->fb_location + mem_size;
 
 #if __OS_HAS_AGP
         if (!dev_priv->is_pci)
diff --git a/drivers/char/drm/radeon_drv.h b/drivers/char/drm/radeon_drv.h
index 7bda7e33d2bd..d92ccee3e54c 100644
--- a/drivers/char/drm/radeon_drv.h
+++ b/drivers/char/drm/radeon_drv.h
@@ -379,6 +379,7 @@ extern int r300_do_cp_cmdbuf(drm_device_t * dev, DRMFILE filp,
 #       define RADEON_PLL_WR_EN                 (1 << 7)
 #define RADEON_CLOCK_CNTL_INDEX         0x0008
 #define RADEON_CONFIG_APER_SIZE         0x0108
+#define RADEON_CONFIG_MEMSIZE           0x00f8
 #define RADEON_CRTC_OFFSET              0x0224
 #define RADEON_CRTC_OFFSET_CNTL         0x0228
 #       define RADEON_CRTC_TILE_EN              (1 << 15)
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 01a1f6badb53..beea450ee4b2 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2399,7 +2399,8 @@ static int init_one_smi(int intf_num, struct smi_info **smi)
                         new_smi->handlers->cleanup(new_smi->si_sm);
                 kfree(new_smi->si_sm);
         }
-        new_smi->io_cleanup(new_smi);
+        if (new_smi->io_cleanup)
+                new_smi->io_cleanup(new_smi);
 
         return rv;
 }
@@ -2518,7 +2519,8 @@ static void __exit cleanup_one_si(struct smi_info *to_clean)
 
         kfree(to_clean->si_sm);
 
-        to_clean->io_cleanup(to_clean);
+        if (to_clean->io_cleanup)
+                to_clean->io_cleanup(to_clean);
 }
 
 static __exit void cleanup_ipmi_si(void)
diff --git a/drivers/char/mwave/mwavepub.h b/drivers/char/mwave/mwavepub.h
index f1f9da7a65c1..60c961ae23b4 100644
--- a/drivers/char/mwave/mwavepub.h
+++ b/drivers/char/mwave/mwavepub.h
@@ -69,7 +69,7 @@ typedef struct _MW_ABILITIES {
 typedef struct _MW_READWRITE {
         unsigned short usDspAddress;    /* The dsp address */
         unsigned long ulDataLength;     /* The size in bytes of the data or user buffer */
-        void *pBuf;             /* Input:variable sized buffer */
+        void __user *pBuf;              /* Input:variable sized buffer */
 } MW_READWRITE, *pMW_READWRITE;
 
 #define IOCTL_MW_RESET           _IO(MWAVE_MINOR,1)
diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index ef011ef5dc46..61681c9f3f72 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -1444,6 +1444,7 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
         dev_link_t *link;
         int size;
         int rc;
+        void __user *argp = (void __user *)arg;
 #ifdef PCMCIA_DEBUG
         char *ioctl_names[CM_IOC_MAXNR + 1] = {
                 [_IOC_NR(CM_IOCGSTATUS)] "CM_IOCGSTATUS",
@@ -1481,11 +1482,11 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
               _IOC_DIR(cmd), _IOC_READ, _IOC_WRITE, size, cmd);
 
         if (_IOC_DIR(cmd) & _IOC_READ) {
-                if (!access_ok(VERIFY_WRITE, (void *)arg, size))
+                if (!access_ok(VERIFY_WRITE, argp, size))
                         return -EFAULT;
         }
         if (_IOC_DIR(cmd) & _IOC_WRITE) {
-                if (!access_ok(VERIFY_READ, (void *)arg, size))
+                if (!access_ok(VERIFY_READ, argp, size))
                         return -EFAULT;
         }
 
@@ -1506,14 +1507,14 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
                                 status |= CM_NO_READER;
                         if (test_bit(IS_BAD_CARD, &dev->flags))
                                 status |= CM_BAD_CARD;
-                        if (copy_to_user((int *)arg, &status, sizeof(int)))
+                        if (copy_to_user(argp, &status, sizeof(int)))
                                 return -EFAULT;
                 }
                 return 0;
         case CM_IOCGATR:
                 DEBUGP(4, dev, "... in CM_IOCGATR\n");
                 {
-                        struct atreq *atreq = (struct atreq *) arg;
+                        struct atreq __user *atreq = argp;
                         int tmp;
                         /* allow nonblocking io and being interrupted */
                         if (wait_event_interruptible
@@ -1597,7 +1598,7 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
                 {
                         struct ptsreq krnptsreq;
 
-                        if (copy_from_user(&krnptsreq, (struct ptsreq *) arg,
+                        if (copy_from_user(&krnptsreq, argp,
                                            sizeof(struct ptsreq)))
                                 return -EFAULT;
 
@@ -1641,7 +1642,7 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
                         int old_pc_debug = 0;
 
                         old_pc_debug = pc_debug;
-                        if (copy_from_user(&pc_debug, (int *)arg, sizeof(int)))
+                        if (copy_from_user(&pc_debug, argp, sizeof(int)))
                                 return -EFAULT;
 
                         if (old_pc_debug != pc_debug)
diff --git a/drivers/char/watchdog/booke_wdt.c b/drivers/char/watchdog/booke_wdt.c
index 65830ec71042..b6640606b44d 100644
--- a/drivers/char/watchdog/booke_wdt.c
+++ b/drivers/char/watchdog/booke_wdt.c
@@ -72,7 +72,7 @@ static __inline__ void booke_wdt_ping(void)
 /*
  * booke_wdt_write:
  */
-static ssize_t booke_wdt_write (struct file *file, const char *buf,
+static ssize_t booke_wdt_write (struct file *file, const char __user *buf,
                                 size_t count, loff_t *ppos)
 {
         booke_wdt_ping();
@@ -92,14 +92,15 @@ static int booke_wdt_ioctl (struct inode *inode, struct file *file,
                             unsigned int cmd, unsigned long arg)
 {
         u32 tmp = 0;
+        u32 __user *p = (u32 __user *)arg;
 
         switch (cmd) {
         case WDIOC_GETSUPPORT:
-                if (copy_to_user ((struct watchdog_info *) arg, &ident,
+                if (copy_to_user ((struct watchdog_info __user *) arg, &ident,
                                 sizeof(struct watchdog_info)))
                         return -EFAULT;
         case WDIOC_GETSTATUS:
-                return put_user(ident.options, (u32 *) arg);
+                return put_user(ident.options, p);
         case WDIOC_GETBOOTSTATUS:
                 /* XXX: something is clearing TSR */
                 tmp = mfspr(SPRN_TSR) & TSR_WRS(3);
@@ -109,14 +110,14 @@ static int booke_wdt_ioctl (struct inode *inode, struct file *file,
                 booke_wdt_ping();
                 return 0;
         case WDIOC_SETTIMEOUT:
-                if (get_user(booke_wdt_period, (u32 *) arg))
+                if (get_user(booke_wdt_period, p))
                         return -EFAULT;
                 mtspr(SPRN_TCR, (mfspr(SPRN_TCR)&~WDTP(0))|WDTP(booke_wdt_period));
                 return 0;
         case WDIOC_GETTIMEOUT:
-                return put_user(booke_wdt_period, (u32 *) arg);
+                return put_user(booke_wdt_period, p);
         case WDIOC_SETOPTIONS:
-                if (get_user(tmp, (u32 *) arg))
+                if (get_user(tmp, p))
                         return -EINVAL;
                 if (tmp == WDIOS_ENABLECARD) {
                         booke_wdt_ping();
@@ -172,7 +173,7 @@ static int __init booke_wdt_init(void)
         int ret = 0;
 
         printk (KERN_INFO "PowerPC Book-E Watchdog Timer Loaded\n");
-        ident.firmware_version = cpu_specs[0].pvr_value;
+        ident.firmware_version = cur_cpu_spec->pvr_value;
 
         ret = misc_register(&booke_wdt_miscdev);
         if (ret) {
diff --git a/drivers/char/watchdog/wdrtas.c b/drivers/char/watchdog/wdrtas.c
index 619e2ffca33f..dacfe31caccf 100644
--- a/drivers/char/watchdog/wdrtas.c
+++ b/drivers/char/watchdog/wdrtas.c
@@ -320,7 +320,7 @@ static int
 wdrtas_ioctl(struct inode *inode, struct file *file,
              unsigned int cmd, unsigned long arg)
 {
-        int __user *argp = (void *)arg;
+        int __user *argp = (void __user *)arg;
         int i;
         static struct watchdog_info wdinfo = {
                 .options = WDRTAS_SUPPORTED_MASK,
diff --git a/drivers/firmware/dell_rbu.c b/drivers/firmware/dell_rbu.c
index 6d83299e7c9b..dfedb777d8c9 100644
--- a/drivers/firmware/dell_rbu.c
+++ b/drivers/firmware/dell_rbu.c
@@ -105,8 +105,8 @@ static int create_packet(void *data, size_t length)
         int ordernum = 0;
         int retval = 0;
         unsigned int packet_array_size = 0;
-        void **invalid_addr_packet_array = 0;
-        void *packet_data_temp_buf = 0;
+        void **invalid_addr_packet_array = NULL;
+        void *packet_data_temp_buf = NULL;
         unsigned int idx = 0;
 
         pr_debug("create_packet: entry \n");
@@ -178,7 +178,7 @@ static int create_packet(void *data, size_t length)
                                                 packet_data_temp_buf),
                                         allocation_floor);
                         invalid_addr_packet_array[idx++] = packet_data_temp_buf;
-                        packet_data_temp_buf = 0;
+                        packet_data_temp_buf = NULL;
                 }
         }
         spin_lock(&rbu_data.lock);
diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c
index afd7634e5cc9..81031eb51056 100644
--- a/drivers/i2c/busses/i2c-mv64xxx.c
+++ b/drivers/i2c/busses/i2c-mv64xxx.c
@@ -529,14 +529,15 @@ mv64xxx_i2c_probe(struct platform_device *pd)
         i2c_set_adapdata(&drv_data->adapter, drv_data);
 
         if (request_irq(drv_data->irq, mv64xxx_i2c_intr, 0,
-                MV64XXX_I2C_CTLR_NAME, drv_data)) {
-
-                dev_err(dev, "mv64xxx: Can't register intr handler "
-                        "irq: %d\n", drv_data->irq);
+                        MV64XXX_I2C_CTLR_NAME, drv_data)) {
+                dev_err(&drv_data->adapter.dev,
+                        "mv64xxx: Can't register intr handler irq: %d\n",
+                        drv_data->irq);
                 rc = -EINVAL;
                 goto exit_unmap_regs;
         } else if ((rc = i2c_add_adapter(&drv_data->adapter)) != 0) {
-                dev_err(dev, "mv64xxx: Can't add i2c adapter, rc: %d\n", -rc);
+                dev_err(&drv_data->adapter.dev,
+                        "mv64xxx: Can't add i2c adapter, rc: %d\n", -rc);
                 goto exit_free_irq;
         }
 
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index 31e649a9ff71..1c81174595b3 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -807,14 +807,6 @@ config BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
        depends on SOC_AU1200 && BLK_DEV_IDE_AU1XXX
 endchoice
 
-config BLK_DEV_IDE_AU1XXX_BURSTABLE_ON
-        bool "Enable burstable Mode on DbDMA"
-        default false
-        depends BLK_DEV_IDE_AU1XXX
-        help
-          This option enable the burstable Flag on DbDMA controller
-          (cf. "AMD Alchemy 'Au1200' Processor Data Book - PRELIMINARY").
-
 config BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ
        int "Maximum transfer size (KB) per request (up to 128)"
        default "128"
@@ -940,7 +932,7 @@ config BLK_DEV_Q40IDE
 
 config BLK_DEV_MPC8xx_IDE
         bool "MPC8xx IDE support"
-        depends on 8xx
+        depends on 8xx && IDE=y && BLK_DEV_IDE=y
         help
           This option provides support for IDE on Motorola MPC8xx Systems.
           Please see 'Type of MPC8xx IDE interface' for details.
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 9455e42abb23..b4d7a3efb90f 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -1292,7 +1292,6 @@ static ide_startstop_t cdrom_start_seek (ide_drive_t *drive, unsigned int block)
         struct cdrom_info *info = drive->driver_data;
 
         info->dma = 0;
-        info->cmd = 0;
         info->start_seek = jiffies;
         return cdrom_start_packet_command(drive, 0, cdrom_start_seek_continuation);
 }
@@ -1344,8 +1343,6 @@ static ide_startstop_t cdrom_start_read (ide_drive_t *drive, unsigned int block)
             (rq->nr_sectors & (sectors_per_frame - 1)))
                 info->dma = 0;
 
-        info->cmd = READ;
-
         /* Start sending the read request to the drive. */
         return cdrom_start_packet_command(drive, 32768, cdrom_start_read_continuation);
 }
@@ -1484,7 +1481,6 @@ static ide_startstop_t cdrom_do_packet_command (ide_drive_t *drive)
         struct cdrom_info *info = drive->driver_data;
 
         info->dma = 0;
-        info->cmd = 0;
         rq->flags &= ~REQ_FAILED;
         len = rq->data_len;
 
@@ -1891,7 +1887,6 @@ static ide_startstop_t cdrom_start_write(ide_drive_t *drive, struct request *rq)
         /* use dma, if possible. we don't need to check more, since we
          * know that the transfer is always (at least!) frame aligned */
         info->dma = drive->using_dma ? 1 : 0;
-        info->cmd = WRITE;
 
         info->devinfo.media_written = 1;
 
@@ -1916,7 +1911,6 @@ static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
         rq->flags |= REQ_QUIET;
 
         info->dma = 0;
-        info->cmd = 0;
 
         /*
          * sg request
@@ -1925,7 +1919,6 @@ static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
                 int mask = drive->queue->dma_alignment;
                 unsigned long addr = (unsigned long) page_address(bio_page(rq->bio));
 
-                info->cmd = rq_data_dir(rq);
                 info->dma = drive->using_dma;
 
                 /*
diff --git a/drivers/ide/ide-cd.h b/drivers/ide/ide-cd.h
index 7ca3e5afc665..ad1f2ed14a37 100644
--- a/drivers/ide/ide-cd.h
+++ b/drivers/ide/ide-cd.h
@@ -480,7 +480,6 @@ struct cdrom_info {
 
         struct request request_sense_request;
         int dma;
-        int cmd;
         unsigned long last_block;
         unsigned long start_seek;
         /* Buffer to hold mechanism status and changer slot table. */
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index f4e3d3527b0e..449522f0540c 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -1034,12 +1034,12 @@ static int ide_disk_remove(struct device *dev)
         struct ide_disk_obj *idkp = drive->driver_data;
         struct gendisk *g = idkp->disk;
 
-        ide_cacheflush_p(drive);
-
         ide_unregister_subdriver(drive, idkp->driver);
 
         del_gendisk(g);
 
+        ide_cacheflush_p(drive);
+
         ide_disk_put(idkp);
 
         return 0;
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 1e1531334c25..0523da77425a 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -90,11 +90,6 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 
-struct drive_list_entry {
-        const char *id_model;
-        const char *id_firmware;
-};
-
 static const struct drive_list_entry drive_whitelist [] = {
 
         { "Micropolis 2112A"    ,       "ALL"           },
@@ -139,7 +134,7 @@ static const struct drive_list_entry drive_blacklist [] = {
 };
 
 /**
- *      in_drive_list   -       look for drive in black/white list
+ *      ide_in_drive_list       -       look for drive in black/white list
  *      @id: drive identifier
  *      @drive_table: list to inspect
  *
@@ -147,7 +142,7 @@ static const struct drive_list_entry drive_blacklist [] = {
  *      Returns 1 if the drive is found in the table.
  */
 
-static int in_drive_list(struct hd_driveid *id, const struct drive_list_entry *drive_table)
+int ide_in_drive_list(struct hd_driveid *id, const struct drive_list_entry *drive_table)
 {
         for ( ; drive_table->id_model ; drive_table++)
                 if ((!strcmp(drive_table->id_model, id->model)) &&
@@ -157,6 +152,8 @@ static int in_drive_list(struct hd_driveid *id, const struct drive_list_entry *d
         return 0;
 }
 
+EXPORT_SYMBOL_GPL(ide_in_drive_list);
+
 /**
  *      ide_dma_intr    -       IDE DMA interrupt handler
  *      @drive: the drive the interrupt is for
@@ -663,7 +660,7 @@ int __ide_dma_bad_drive (ide_drive_t *drive)
 {
         struct hd_driveid *id = drive->id;
 
-        int blacklist = in_drive_list(id, drive_blacklist);
+        int blacklist = ide_in_drive_list(id, drive_blacklist);
         if (blacklist) {
                 printk(KERN_WARNING "%s: Disabling (U)DMA for %s (blacklisted)\n",
                                     drive->name, id->model);
@@ -677,7 +674,7 @@ EXPORT_SYMBOL(__ide_dma_bad_drive);
 int __ide_dma_good_drive (ide_drive_t *drive)
 {
         struct hd_driveid *id = drive->id;
-        return in_drive_list(id, drive_whitelist);
+        return ide_in_drive_list(id, drive_whitelist);
 }
 
 EXPORT_SYMBOL(__ide_dma_good_drive);
diff --git a/drivers/ide/mips/Makefile b/drivers/ide/mips/Makefile
index 578e52a59588..677c7b2bac92 100644
--- a/drivers/ide/mips/Makefile
+++ b/drivers/ide/mips/Makefile
@@ -1 +1,4 @@
 obj-$(CONFIG_BLK_DEV_IDE_SWARM)         += swarm.o
+obj-$(CONFIG_BLK_DEV_IDE_AU1XXX)        += au1xxx-ide.o
+
+EXTRA_CFLAGS    := -Idrivers/ide
diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c
index 2b6327c576b9..32431dcf5d8e 100644
--- a/drivers/ide/mips/au1xxx-ide.c
+++ b/drivers/ide/mips/au1xxx-ide.c
@@ -31,865 +31,638 @@
  */
 #undef REALLY_SLOW_IO           /* most systems can safely undef this */
 
-#include <linux/config.h>       /* for CONFIG_BLK_DEV_IDEPCI */
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/delay.h>
-#include <linux/timer.h>
-#include <linux/mm.h>
-#include <linux/ioport.h>
-#include <linux/hdreg.h>
+#include <linux/platform_device.h>
+
 #include <linux/init.h>
 #include <linux/ide.h>
 #include <linux/sysdev.h>
 
 #include <linux/dma-mapping.h>
 
+#include "ide-timing.h"
+
 #include <asm/io.h>
 #include <asm/mach-au1x00/au1xxx.h>
 #include <asm/mach-au1x00/au1xxx_dbdma.h>
 
-#if CONFIG_PM
-#include <asm/mach-au1x00/au1xxx_pm.h>
-#endif
-
 #include <asm/mach-au1x00/au1xxx_ide.h>
 
 #define DRV_NAME        "au1200-ide"
 #define DRV_VERSION     "1.0"
-#define DRV_AUTHOR      "AMD PCS / Pete Popov <ppopov@embeddedalley.com>"
-#define DRV_DESC        "Au1200 IDE"
-
-static _auide_hwif auide_hwif;
-static spinlock_t ide_tune_drive_spin_lock = SPIN_LOCK_UNLOCKED;
-static spinlock_t ide_tune_chipset_spin_lock = SPIN_LOCK_UNLOCKED;
-static int dbdma_init_done = 0;
-
-/*
- * local I/O functions
- */
-u8 auide_inb(unsigned long port)
-{
-        return (au_readb(port));
-}
+#define DRV_AUTHOR      "Enrico Walther <enrico.walther@amd.com> / Pete Popov <ppopov@embeddedalley.com>"
 
-u16 auide_inw(unsigned long port)
-{
-        return (au_readw(port));
-}
+/* enable the burstmode in the dbdma */
+#define IDE_AU1XXX_BURSTMODE    1
 
-u32 auide_inl(unsigned long port)
-{
-        return (au_readl(port));
-}
+static _auide_hwif auide_hwif;
+static int dbdma_init_done;
 
-void auide_insw(unsigned long port, void *addr, u32 count)
-{
 #if defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA)
 
-        _auide_hwif *ahwif = &auide_hwif;
-        chan_tab_t *ctp;
-        au1x_ddma_desc_t *dp;
-
-        if(!put_dest_flags(ahwif->rx_chan, (void*)addr, count << 1,
-                                DDMA_FLAGS_NOIE)) {
-                printk(KERN_ERR "%s failed %d\n", __FUNCTION__, __LINE__);
-                return;
-        }
-        ctp = *((chan_tab_t **)ahwif->rx_chan);
-        dp = ctp->cur_ptr;
-        while (dp->dscr_cmd0 & DSCR_CMD0_V)
-                ;
-        ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp);
-#else
-        while (count--)
-        {
-                *(u16 *)addr = au_readw(port);
-                addr +=2 ;
-        }
-#endif
-}
-
-void auide_insl(unsigned long port, void *addr, u32 count)
-{
-        while (count--)
-        {
-                *(u32 *)addr = au_readl(port);
-                /* NOTE: For IDE interfaces over PCMCIA,
-                 * 32-bit access does not work
-                 */
-                addr += 4;
-        }
-}
-
-void auide_outb(u8 addr, unsigned long port)
+void auide_insw(unsigned long port, void *addr, u32 count)
 {
-        return (au_writeb(addr, port));
-}
+        _auide_hwif *ahwif = &auide_hwif;
+        chan_tab_t *ctp;
+        au1x_ddma_desc_t *dp;
 
-void auide_outbsync(ide_drive_t *drive, u8 addr, unsigned long port)
-{
-        return (au_writeb(addr, port));
+        if(!put_dest_flags(ahwif->rx_chan, (void*)addr, count << 1, 
+                           DDMA_FLAGS_NOIE)) {
+                printk(KERN_ERR "%s failed %d\n", __FUNCTION__, __LINE__);
+                return;
+        }
+        ctp = *((chan_tab_t **)ahwif->rx_chan);
+        dp = ctp->cur_ptr;
+        while (dp->dscr_cmd0 & DSCR_CMD0_V)
+                ;
+        ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp);
 }
 
-void auide_outw(u16 addr, unsigned long port)
+void auide_outsw(unsigned long port, void *addr, u32 count)
 {
-        return (au_writew(addr, port));
-}
+        _auide_hwif *ahwif = &auide_hwif;
+        chan_tab_t *ctp;
+        au1x_ddma_desc_t *dp;
 
-void auide_outl(u32 addr, unsigned long port)
-{
-        return (au_writel(addr, port));
+        if(!put_source_flags(ahwif->tx_chan, (void*)addr,
+                             count << 1, DDMA_FLAGS_NOIE)) {
+                printk(KERN_ERR "%s failed %d\n", __FUNCTION__, __LINE__);
+                return;
+        }
+        ctp = *((chan_tab_t **)ahwif->tx_chan);
+        dp = ctp->cur_ptr;
+        while (dp->dscr_cmd0 & DSCR_CMD0_V)
+                ;
+        ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp);
 }
 
-void auide_outsw(unsigned long port, void *addr, u32 count)
-{
-#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA)
-        _auide_hwif *ahwif = &auide_hwif;
-        chan_tab_t *ctp;
-        au1x_ddma_desc_t *dp;
-
-        if(!put_source_flags(ahwif->tx_chan, (void*)addr,
-                                          count << 1, DDMA_FLAGS_NOIE)) {
-                printk(KERN_ERR "%s failed %d\n", __FUNCTION__, __LINE__);
-                return;
-        }
-        ctp = *((chan_tab_t **)ahwif->tx_chan);
-        dp = ctp->cur_ptr;
-        while (dp->dscr_cmd0 & DSCR_CMD0_V)
-                ;
-        ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp);
-#else
-        while (count--)
-        {
-                au_writew(*(u16 *)addr, port);
-                addr += 2;
-        }
 #endif
-}
-
-void auide_outsl(unsigned long port, void *addr, u32 count)
-{
-        while (count--)
-        {
-                au_writel(*(u32 *)addr, port);
-                /* NOTE: For IDE interfaces over PCMCIA,
-                 * 32-bit access does not work
-                 */
-                addr += 4;
-        }
-}
 
 static void auide_tune_drive(ide_drive_t *drive, byte pio)
 {
-        int mem_sttime;
-        int mem_stcfg;
-        unsigned long flags;
-        u8 speed;
-
-        /* get the best pio mode for the drive */
-        pio = ide_get_best_pio_mode(drive, pio, 4, NULL);
-
-        printk("%s: setting Au1XXX IDE to PIO mode%d\n",
-                drive->name, pio);
-
-        spin_lock_irqsave(&ide_tune_drive_spin_lock, flags);
-
-        mem_sttime = 0;
-        mem_stcfg  = au_readl(MEM_STCFG2);
-
-        /* set pio mode! */
-        switch(pio) {
-                case 0:
-                        /* set timing parameters for RCS2# */
-                        mem_sttime =   SBC_IDE_PIO0_TWCS
-                                     | SBC_IDE_PIO0_TCSH
-                                     | SBC_IDE_PIO0_TCSOFF
-                                     | SBC_IDE_PIO0_TWP
-                                     | SBC_IDE_PIO0_TCSW
-                                     | SBC_IDE_PIO0_TPM
-                                     | SBC_IDE_PIO0_TA;
-                        /* set configuration for RCS2# */
-                        mem_stcfg |= TS_MASK;
-                        mem_stcfg &= ~TCSOE_MASK;
-                        mem_stcfg &= ~TOECS_MASK;
-                        mem_stcfg |= SBC_IDE_PIO0_TCSOE | SBC_IDE_PIO0_TOECS;
-
-                        au_writel(mem_sttime,MEM_STTIME2);
-                        au_writel(mem_stcfg,MEM_STCFG2);
-                        break;
-
-                case 1:
-                        /* set timing parameters for RCS2# */
-                        mem_sttime =   SBC_IDE_PIO1_TWCS
-                                     | SBC_IDE_PIO1_TCSH
-                                     | SBC_IDE_PIO1_TCSOFF
-                                     | SBC_IDE_PIO1_TWP
-                                     | SBC_IDE_PIO1_TCSW
-                                     | SBC_IDE_PIO1_TPM
-                                     | SBC_IDE_PIO1_TA;
-                        /* set configuration for RCS2# */
-                        mem_stcfg |= TS_MASK;
-                        mem_stcfg &= ~TCSOE_MASK;
-                        mem_stcfg &= ~TOECS_MASK;
-                        mem_stcfg |= SBC_IDE_PIO1_TCSOE | SBC_IDE_PIO1_TOECS;
-                        break;
-
-                case 2:
-                        /* set timing parameters for RCS2# */
-                        mem_sttime =   SBC_IDE_PIO2_TWCS
-                                     | SBC_IDE_PIO2_TCSH
-                                     | SBC_IDE_PIO2_TCSOFF
-                                     | SBC_IDE_PIO2_TWP
-                                     | SBC_IDE_PIO2_TCSW
-                                     | SBC_IDE_PIO2_TPM
-                                     | SBC_IDE_PIO2_TA;
-                        /* set configuration for RCS2# */
-                        mem_stcfg &= ~TS_MASK;
-                        mem_stcfg &= ~TCSOE_MASK;
-                        mem_stcfg &= ~TOECS_MASK;
-                        mem_stcfg |= SBC_IDE_PIO2_TCSOE | SBC_IDE_PIO2_TOECS;
-                        break;
-
-                case 3:
-                        /* set timing parameters for RCS2# */
-                        mem_sttime =   SBC_IDE_PIO3_TWCS
-                                     | SBC_IDE_PIO3_TCSH
-                                     | SBC_IDE_PIO3_TCSOFF
-                                     | SBC_IDE_PIO3_TWP
-                                     | SBC_IDE_PIO3_TCSW
-                                     | SBC_IDE_PIO3_TPM
-                                     | SBC_IDE_PIO3_TA;
-                        /* set configuration for RCS2# */
-                        mem_stcfg |= TS_MASK;
-                        mem_stcfg &= ~TS_MASK;
-                        mem_stcfg &= ~TCSOE_MASK;
-                        mem_stcfg &= ~TOECS_MASK;
-                        mem_stcfg |= SBC_IDE_PIO3_TCSOE | SBC_IDE_PIO3_TOECS;
-
-                        break;
-
-                case 4:
-                        /* set timing parameters for RCS2# */
-                        mem_sttime =   SBC_IDE_PIO4_TWCS
-                                     | SBC_IDE_PIO4_TCSH
-                                     | SBC_IDE_PIO4_TCSOFF
-                                     | SBC_IDE_PIO4_TWP
-                                     | SBC_IDE_PIO4_TCSW
-                                     | SBC_IDE_PIO4_TPM
-                                     | SBC_IDE_PIO4_TA;
-                        /* set configuration for RCS2# */
-                        mem_stcfg &= ~TS_MASK;
-                        mem_stcfg &= ~TCSOE_MASK;
-                        mem_stcfg &= ~TOECS_MASK;
-                        mem_stcfg |= SBC_IDE_PIO4_TCSOE | SBC_IDE_PIO4_TOECS;
-                        break;
-        }
-
-        au_writel(mem_sttime,MEM_STTIME2);
-        au_writel(mem_stcfg,MEM_STCFG2);
-
-        spin_unlock_irqrestore(&ide_tune_drive_spin_lock, flags);
-
-        speed = pio + XFER_PIO_0;
-        ide_config_drive_speed(drive, speed);
+        int mem_sttime;
+        int mem_stcfg;
+        u8 speed;
+
+        /* get the best pio mode for the drive */
+        pio = ide_get_best_pio_mode(drive, pio, 4, NULL);
+
+        printk(KERN_INFO "%s: setting Au1XXX IDE to PIO mode%d\n",
+               drive->name, pio);
+
+        mem_sttime = 0;
+        mem_stcfg  = au_readl(MEM_STCFG2);
+
+        /* set pio mode! */
+        switch(pio) {
+        case 0:
+                mem_sttime = SBC_IDE_TIMING(PIO0);
+
+                /* set configuration for RCS2# */
+                mem_stcfg |= TS_MASK;
+                mem_stcfg &= ~TCSOE_MASK;
+                mem_stcfg &= ~TOECS_MASK;
+                mem_stcfg |= SBC_IDE_PIO0_TCSOE | SBC_IDE_PIO0_TOECS;
+                break;
+
+        case 1:
+                mem_sttime = SBC_IDE_TIMING(PIO1);
+
+                /* set configuration for RCS2# */
+                mem_stcfg |= TS_MASK;
+                mem_stcfg &= ~TCSOE_MASK;
+                mem_stcfg &= ~TOECS_MASK;
+                mem_stcfg |= SBC_IDE_PIO1_TCSOE | SBC_IDE_PIO1_TOECS;
+                break;
+
+        case 2:
+                mem_sttime = SBC_IDE_TIMING(PIO2);
+
+                /* set configuration for RCS2# */
+                mem_stcfg &= ~TS_MASK;
+                mem_stcfg &= ~TCSOE_MASK;
+                mem_stcfg &= ~TOECS_MASK;
+                mem_stcfg |= SBC_IDE_PIO2_TCSOE | SBC_IDE_PIO2_TOECS;
+                break;
+
+        case 3:
+                mem_sttime = SBC_IDE_TIMING(PIO3);
+
+                /* set configuration for RCS2# */
+                mem_stcfg &= ~TS_MASK;
+                mem_stcfg &= ~TCSOE_MASK;
+                mem_stcfg &= ~TOECS_MASK;
+                mem_stcfg |= SBC_IDE_PIO3_TCSOE | SBC_IDE_PIO3_TOECS;
+
+                break;
+
+        case 4:
+                mem_sttime = SBC_IDE_TIMING(PIO4);
+
+                /* set configuration for RCS2# */
+                mem_stcfg &= ~TS_MASK;
+                mem_stcfg &= ~TCSOE_MASK;
+                mem_stcfg &= ~TOECS_MASK;
+                mem_stcfg |= SBC_IDE_PIO4_TCSOE | SBC_IDE_PIO4_TOECS;
+                break;
+        }
+
+        au_writel(mem_sttime,MEM_STTIME2);
+        au_writel(mem_stcfg,MEM_STCFG2);
+
+        speed = pio + XFER_PIO_0;
+        ide_config_drive_speed(drive, speed);
 }
 
 static int auide_tune_chipset (ide_drive_t *drive, u8 speed)
 {
-        u8 mode = 0;
-        int mem_sttime;
-        int mem_stcfg;
-        unsigned long flags;
+        int mem_sttime;
+        int mem_stcfg;
+        unsigned long mode;
+
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
-        struct hd_driveid *id = drive->id;
-
-        /*
-         * Now see what the current drive is capable of,
-         * selecting UDMA only if the mate said it was ok.
-         */
-        if (id && (id->capability & 1) && drive->autodma &&
-            !__ide_dma_bad_drive(drive)) {
-                if (!mode && (id->field_valid & 2) && (id->dma_mword & 7)) {
-                        if      (id->dma_mword & 4)
-                                mode = XFER_MW_DMA_2;
-                        else if (id->dma_mword & 2)
-                                mode = XFER_MW_DMA_1;
-                        else if (id->dma_mword & 1)
-                                mode = XFER_MW_DMA_0;
-                }
-        }
+        if (ide_use_dma(drive))
+                mode = ide_dma_speed(drive, 0);
 #endif
 
-        spin_lock_irqsave(&ide_tune_chipset_spin_lock, flags);
+        mem_sttime = 0;
+        mem_stcfg  = au_readl(MEM_STCFG2);
 
-        mem_sttime = 0;
-        mem_stcfg  = au_readl(MEM_STCFG2);
-
-        switch(speed) {
-                case XFER_PIO_4:
-                case XFER_PIO_3:
-                case XFER_PIO_2:
-                case XFER_PIO_1:
-                case XFER_PIO_0:
-                        auide_tune_drive(drive, (speed - XFER_PIO_0));
-                        break;
+        if (speed >= XFER_PIO_0 && speed <= XFER_PIO_4) {
+                auide_tune_drive(drive, speed - XFER_PIO_0);
+                return 0;
+        }
+              
+        switch(speed) {
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
-                case XFER_MW_DMA_2:
-                        /* set timing parameters for RCS2# */
-                        mem_sttime =   SBC_IDE_MDMA2_TWCS
-                                     | SBC_IDE_MDMA2_TCSH
-                                     | SBC_IDE_MDMA2_TCSOFF
-                                     | SBC_IDE_MDMA2_TWP
-                                     | SBC_IDE_MDMA2_TCSW
-                                     | SBC_IDE_MDMA2_TPM
-                                     | SBC_IDE_MDMA2_TA;
-                        /* set configuration for RCS2# */
-                        mem_stcfg &= ~TS_MASK;
-                        mem_stcfg &= ~TCSOE_MASK;
-                        mem_stcfg &= ~TOECS_MASK;
-                        mem_stcfg |= SBC_IDE_MDMA2_TCSOE | SBC_IDE_MDMA2_TOECS;
-
-                        mode = XFER_MW_DMA_2;
-                        break;
-                case XFER_MW_DMA_1:
-                        /* set timing parameters for RCS2# */
-                        mem_sttime =   SBC_IDE_MDMA1_TWCS
-                                     | SBC_IDE_MDMA1_TCSH
-                                     | SBC_IDE_MDMA1_TCSOFF
-                                     | SBC_IDE_MDMA1_TWP
-                                     | SBC_IDE_MDMA1_TCSW
-                                     | SBC_IDE_MDMA1_TPM
-                                     | SBC_IDE_MDMA1_TA;
-                        /* set configuration for RCS2# */
-                        mem_stcfg &= ~TS_MASK;
-                        mem_stcfg &= ~TCSOE_MASK;
-                        mem_stcfg &= ~TOECS_MASK;
-                        mem_stcfg |= SBC_IDE_MDMA1_TCSOE | SBC_IDE_MDMA1_TOECS;
-
-                        mode = XFER_MW_DMA_1;
-                        break;
-                case XFER_MW_DMA_0:
-                        /* set timing parameters for RCS2# */
-                        mem_sttime =   SBC_IDE_MDMA0_TWCS
-                                     | SBC_IDE_MDMA0_TCSH
-                                     | SBC_IDE_MDMA0_TCSOFF
-                                     | SBC_IDE_MDMA0_TWP
-                                     | SBC_IDE_MDMA0_TCSW
-                                     | SBC_IDE_MDMA0_TPM
-                                     | SBC_IDE_MDMA0_TA;
-                        /* set configuration for RCS2# */
-                        mem_stcfg |= TS_MASK;
-                        mem_stcfg &= ~TCSOE_MASK;
-                        mem_stcfg &= ~TOECS_MASK;
-                        mem_stcfg |= SBC_IDE_MDMA0_TCSOE | SBC_IDE_MDMA0_TOECS;
-
-                        mode = XFER_MW_DMA_0;
-                        break;
+        case XFER_MW_DMA_2:
+                mem_sttime = SBC_IDE_TIMING(MDMA2);
+
+                /* set configuration for RCS2# */
+                mem_stcfg &= ~TS_MASK;
+                mem_stcfg &= ~TCSOE_MASK;
+                mem_stcfg &= ~TOECS_MASK;
+                mem_stcfg |= SBC_IDE_MDMA2_TCSOE | SBC_IDE_MDMA2_TOECS;
+
+                mode = XFER_MW_DMA_2;
+                break;
+        case XFER_MW_DMA_1:
+                mem_sttime = SBC_IDE_TIMING(MDMA1);
+
+                /* set configuration for RCS2# */
+                mem_stcfg &= ~TS_MASK;
+                mem_stcfg &= ~TCSOE_MASK;
+                mem_stcfg &= ~TOECS_MASK;
+                mem_stcfg |= SBC_IDE_MDMA1_TCSOE | SBC_IDE_MDMA1_TOECS;
+
+                mode = XFER_MW_DMA_1;
+                break;
+        case XFER_MW_DMA_0:
+                mem_sttime = SBC_IDE_TIMING(MDMA0);
+
+                /* set configuration for RCS2# */
+                mem_stcfg |= TS_MASK;
+                mem_stcfg &= ~TCSOE_MASK;
+                mem_stcfg &= ~TOECS_MASK;
+                mem_stcfg |= SBC_IDE_MDMA0_TCSOE | SBC_IDE_MDMA0_TOECS;
+
+                mode = XFER_MW_DMA_0;
+                break;
 #endif
-                default:
-                        return 1;
-        }
-
-        /*
-         * Tell the drive to switch to the new mode; abort on failure.
-         */
-        if (!mode || ide_config_drive_speed(drive, mode))
-        {
-                return 1;       /* failure */
-        }
-
-
-        au_writel(mem_sttime,MEM_STTIME2);
-        au_writel(mem_stcfg,MEM_STCFG2);
+        default:
+                return 1;
+        }
+        
+        if (ide_config_drive_speed(drive, mode))
+                return 1;
 
-        spin_unlock_irqrestore(&ide_tune_chipset_spin_lock, flags);
+        au_writel(mem_sttime,MEM_STTIME2);
+        au_writel(mem_stcfg,MEM_STCFG2);
 
-        return 0;
+        return 0;
 }
 
 /*
  * Multi-Word DMA + DbDMA functions
  */
-#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
 
-static int in_drive_list(struct hd_driveid *id,
-                         const struct drive_list_entry *drive_table)
-{
-        for ( ; drive_table->id_model ; drive_table++){
-                if ((!strcmp(drive_table->id_model, id->model)) &&
-                        ((strstr(drive_table->id_firmware, id->fw_rev)) ||
-                        (!strcmp(drive_table->id_firmware, "ALL")))
-                )
-                        return 1;
-        }
-        return 0;
-}
+#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
 
 static int auide_build_sglist(ide_drive_t *drive,  struct request *rq)
 {
-        ide_hwif_t *hwif = drive->hwif;
-        _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
-        struct scatterlist *sg = hwif->sg_table;
+        ide_hwif_t *hwif = drive->hwif;
+        _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
+        struct scatterlist *sg = hwif->sg_table;
 
-        ide_map_sg(drive, rq);
+        ide_map_sg(drive, rq);
 
-        if (rq_data_dir(rq) == READ)
-                hwif->sg_dma_direction = DMA_FROM_DEVICE;
-        else
-                hwif->sg_dma_direction = DMA_TO_DEVICE;
+        if (rq_data_dir(rq) == READ)
+                hwif->sg_dma_direction = DMA_FROM_DEVICE;
+        else
+                hwif->sg_dma_direction = DMA_TO_DEVICE;
 
-        return dma_map_sg(ahwif->dev, sg, hwif->sg_nents,
-                          hwif->sg_dma_direction);
+        return dma_map_sg(ahwif->dev, sg, hwif->sg_nents,
+                          hwif->sg_dma_direction);
 }
 
 static int auide_build_dmatable(ide_drive_t *drive)
 {
-        int i, iswrite, count = 0;
-        ide_hwif_t *hwif = HWIF(drive);
-
-        struct request *rq = HWGROUP(drive)->rq;
-
-        _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
-        struct scatterlist *sg;
-
-        iswrite = (rq_data_dir(rq) == WRITE);
-        /* Save for interrupt context */
-        ahwif->drive = drive;
-
-        /* Build sglist */
-        hwif->sg_nents = i = auide_build_sglist(drive, rq);
-
-        if (!i)
-                return 0;
-
-        /* fill the descriptors */
-        sg = hwif->sg_table;
-        while (i && sg_dma_len(sg)) {
-                u32 cur_addr;
-                u32 cur_len;
-
-                cur_addr = sg_dma_address(sg);
-                cur_len = sg_dma_len(sg);
-
-                while (cur_len) {
-                        u32 flags = DDMA_FLAGS_NOIE;
-                        unsigned int tc = (cur_len < 0xfe00)? cur_len: 0xfe00;
-
-                        if (++count >= PRD_ENTRIES) {
-                                printk(KERN_WARNING "%s: DMA table too small\n",
-                                drive->name);
-                                goto use_pio_instead;
-                        }
-
-                        /* Lets enable intr for the last descriptor only */
-                        if (1==i)
-                                flags = DDMA_FLAGS_IE;
-                        else
-                                flags = DDMA_FLAGS_NOIE;
-
-                        if (iswrite) {
-                                if(!put_source_flags(ahwif->tx_chan,
-                                                (void*)(page_address(sg->page)
-                                                        + sg->offset),
-                                                tc, flags)) {
-                                        printk(KERN_ERR "%s failed %d\n",
-                                                        __FUNCTION__, __LINE__);
+        int i, iswrite, count = 0;
+        ide_hwif_t *hwif = HWIF(drive);
+
+        struct request *rq = HWGROUP(drive)->rq;
+
+        _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
+        struct scatterlist *sg;
+
+        iswrite = (rq_data_dir(rq) == WRITE);
+        /* Save for interrupt context */
+        ahwif->drive = drive;
+
+        /* Build sglist */
+        hwif->sg_nents = i = auide_build_sglist(drive, rq);
+
+        if (!i)
+                return 0;
+
+        /* fill the descriptors */
+        sg = hwif->sg_table;
+        while (i && sg_dma_len(sg)) {
+                u32 cur_addr;
+                u32 cur_len;
+
+                cur_addr = sg_dma_address(sg);
+                cur_len = sg_dma_len(sg);
+
+                while (cur_len) {
+                        u32 flags = DDMA_FLAGS_NOIE;
+                        unsigned int tc = (cur_len < 0xfe00)? cur_len: 0xfe00;
+
+                        if (++count >= PRD_ENTRIES) {
+                                printk(KERN_WARNING "%s: DMA table too small\n",
+                                       drive->name);
+                                goto use_pio_instead;
+                        }
+
+                        /* Lets enable intr for the last descriptor only */
+                        if (1==i)
+                                flags = DDMA_FLAGS_IE;
+                        else
+                                flags = DDMA_FLAGS_NOIE;
+
+                        if (iswrite) {
+                                if(!put_source_flags(ahwif->tx_chan, 
+                                                     (void*)(page_address(sg->page) 
+                                                             + sg->offset), 
+                                                     tc, flags)) { 
+                                        printk(KERN_ERR "%s failed %d\n", 
+                                               __FUNCTION__, __LINE__);
                                 }
-                        } else
+                        } else 
                         {
-                                if(!put_dest_flags(ahwif->rx_chan,
-                                                (void*)(page_address(sg->page)
-                                                        + sg->offset),
-                                                tc, flags)) {
-                                        printk(KERN_ERR "%s failed %d\n",
-                                                        __FUNCTION__, __LINE__);
+                                if(!put_dest_flags(ahwif->rx_chan, 
+                                                   (void*)(page_address(sg->page) 
+                                                           + sg->offset), 
+                                                   tc, flags)) { 
+                                        printk(KERN_ERR "%s failed %d\n", 
+                                               __FUNCTION__, __LINE__);
                                 }
-                        }
+                        }
 
-                        cur_addr += tc;
-                        cur_len -= tc;
-                }
-                sg++;
-                i--;
-        }
+                        cur_addr += tc;
+                        cur_len -= tc;
+                }
+                sg++;
+                i--;
+        }
 
-        if (count)
-                return 1;
+        if (count)
+                return 1;
 
-use_pio_instead:
-        dma_unmap_sg(ahwif->dev,
-                     hwif->sg_table,
-                     hwif->sg_nents,
-                     hwif->sg_dma_direction);
+ use_pio_instead:
+        dma_unmap_sg(ahwif->dev,
+                     hwif->sg_table,
+                     hwif->sg_nents,
+                     hwif->sg_dma_direction);
 
-        return 0; /* revert to PIO for this request */
+        return 0; /* revert to PIO for this request */
 }
 
 static int auide_dma_end(ide_drive_t *drive)
 {
-        ide_hwif_t *hwif = HWIF(drive);
-        _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
+        ide_hwif_t *hwif = HWIF(drive);
+        _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
 
-        if (hwif->sg_nents) {
-                dma_unmap_sg(ahwif->dev, hwif->sg_table, hwif->sg_nents,
-                             hwif->sg_dma_direction);
-                hwif->sg_nents = 0;
-        }
+        if (hwif->sg_nents) {
+                dma_unmap_sg(ahwif->dev, hwif->sg_table, hwif->sg_nents,
+                             hwif->sg_dma_direction);
+                hwif->sg_nents = 0;
+        }
 
-        return 0;
+        return 0;
 }
 
 static void auide_dma_start(ide_drive_t *drive )
 {
-//      printk("%s\n", __FUNCTION__);
 }
 
-ide_startstop_t auide_dma_intr(ide_drive_t *drive)
-{
-        //printk("%s\n", __FUNCTION__);
-
-        u8 stat = 0, dma_stat = 0;
-
-        dma_stat = HWIF(drive)->ide_dma_end(drive);
-        stat = HWIF(drive)->INB(IDE_STATUS_REG);        /* get drive status */
-        if (OK_STAT(stat,DRIVE_READY,drive->bad_wstat|DRQ_STAT)) {
-                if (!dma_stat) {
-                        struct request *rq = HWGROUP(drive)->rq;
-
-                        ide_end_request(drive, 1, rq->nr_sectors);
-                        return ide_stopped;
-                }
-                printk(KERN_ERR "%s: dma_intr: bad DMA status (dma_stat=%x)\n",
-                                 drive->name, dma_stat);
-        }
-        return ide_error(drive, "dma_intr", stat);
-}
 
 static void auide_dma_exec_cmd(ide_drive_t *drive, u8 command)
 {
-        //printk("%s\n", __FUNCTION__);
-
-        /* issue cmd to drive */
-        ide_execute_command(drive, command, &auide_dma_intr,
-                            (2*WAIT_CMD), NULL);
+        /* issue cmd to drive */
+        ide_execute_command(drive, command, &ide_dma_intr,
+                            (2*WAIT_CMD), NULL);
 }
 
 static int auide_dma_setup(ide_drive_t *drive)
-{
-//      printk("%s\n", __FUNCTION__);
-
-        if (drive->media != ide_disk)
-                return 1;
-
-        if (!auide_build_dmatable(drive))
-                        /* try PIO instead of DMA */
-                        return 1;
+{               
+        struct request *rq = HWGROUP(drive)->rq;
 
-        drive->waiting_for_dma = 1;
+        if (!auide_build_dmatable(drive)) {
+                ide_map_sg(drive, rq);
+                return 1;
+        }
 
-        return 0;
+        drive->waiting_for_dma = 1;
+        return 0;
 }
 
 static int auide_dma_check(ide_drive_t *drive)
 {
-//      printk("%s\n", __FUNCTION__);
+        u8 speed;
 
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
-        if( !dbdma_init_done ){
-                auide_hwif.white_list = in_drive_list(drive->id,
-                                                      dma_white_list);
-                auide_hwif.black_list = in_drive_list(drive->id,
-                                                      dma_black_list);
-                auide_hwif.drive = drive;
-                auide_ddma_init(&auide_hwif);
-                dbdma_init_done = 1;
-        }
+
+        if( dbdma_init_done == 0 ){
+                auide_hwif.white_list = ide_in_drive_list(drive->id,
+                                                          dma_white_list);
+                auide_hwif.black_list = ide_in_drive_list(drive->id,
+                                                          dma_black_list);
+                auide_hwif.drive = drive;
+                auide_ddma_init(&auide_hwif);
+                dbdma_init_done = 1;
+        }
 #endif
 
-        /* Is the drive in our DMA black list? */
-        if ( auide_hwif.black_list ) {
-                drive->using_dma = 0;
-                printk("%s found in dma_blacklist[]! Disabling DMA.\n",
-                drive->id->model);
-        }
-        else
-                drive->using_dma = 1;
+        /* Is the drive in our DMA black list? */
+
+        if ( auide_hwif.black_list ) {
+                drive->using_dma = 0;
+
+                /* Borrowed the warning message from ide-dma.c */
 
-        return HWIF(drive)->ide_dma_host_on(drive);
+                printk(KERN_WARNING "%s: Disabling DMA for %s (blacklisted)\n",
+                       drive->name, drive->id->model);         
+        }
+        else
+                drive->using_dma = 1;
+
+        speed = ide_find_best_mode(drive, XFER_PIO | XFER_MWDMA);
+        
+        if (drive->autodma && (speed & XFER_MODE) != XFER_PIO)
+                return HWIF(drive)->ide_dma_on(drive);
+
+        return HWIF(drive)->ide_dma_off_quietly(drive);
 }
 
 static int auide_dma_test_irq(ide_drive_t *drive)
-{
-//      printk("%s\n", __FUNCTION__);
-
-        if (!drive->waiting_for_dma)
-                printk(KERN_WARNING "%s: ide_dma_test_irq \
+{       
+        if (drive->waiting_for_dma == 0)
+                printk(KERN_WARNING "%s: ide_dma_test_irq \
                                      called while not waiting\n", drive->name);
 
-        /* If dbdma didn't execute the STOP command yet, the
-         * active bit is still set
+        /* If dbdma didn't execute the STOP command yet, the
+         * active bit is still set
          */
-        drive->waiting_for_dma++;
-        if (drive->waiting_for_dma >= DMA_WAIT_TIMEOUT) {
-                printk(KERN_WARNING "%s: timeout waiting for ddma to \
+        drive->waiting_for_dma++;
+        if (drive->waiting_for_dma >= DMA_WAIT_TIMEOUT) {
+                printk(KERN_WARNING "%s: timeout waiting for ddma to \
                                      complete\n", drive->name);
-                return 1;
-        }
-        udelay(10);
-        return 0;
+                return 1;
+        }
+        udelay(10);
+        return 0;
 }
 
 static int auide_dma_host_on(ide_drive_t *drive)
 {
-//      printk("%s\n", __FUNCTION__);
-        return 0;
+        return 0;
 }
 
 static int auide_dma_on(ide_drive_t *drive)
 {
-//      printk("%s\n", __FUNCTION__);
-        drive->using_dma = 1;
-        return auide_dma_host_on(drive);
+        drive->using_dma = 1;
+        return auide_dma_host_on(drive);
 }
 
 
 static int auide_dma_host_off(ide_drive_t *drive)
 {
-//      printk("%s\n", __FUNCTION__);
-        return 0;
+        return 0;
 }
 
 static int auide_dma_off_quietly(ide_drive_t *drive)
 {
-//      printk("%s\n", __FUNCTION__);
-        drive->using_dma = 0;
-        return auide_dma_host_off(drive);
+        drive->using_dma = 0;
+        return auide_dma_host_off(drive);
 }
 
 static int auide_dma_lostirq(ide_drive_t *drive)
 {
-//      printk("%s\n", __FUNCTION__);
-
-        printk(KERN_ERR "%s: IRQ lost\n", drive->name);
-        return 0;
+        printk(KERN_ERR "%s: IRQ lost\n", drive->name);
+        return 0;
 }
 
 static void auide_ddma_tx_callback(int irq, void *param, struct pt_regs *regs)
 {
-//      printk("%s\n", __FUNCTION__);
-
-        _auide_hwif *ahwif = (_auide_hwif*)param;
-        ahwif->drive->waiting_for_dma = 0;
-        return;
+        _auide_hwif *ahwif = (_auide_hwif*)param;
+        ahwif->drive->waiting_for_dma = 0;
 }
 
 static void auide_ddma_rx_callback(int irq, void *param, struct pt_regs *regs)
 {
-//      printk("%s\n", __FUNCTION__);
+        _auide_hwif *ahwif = (_auide_hwif*)param;
+        ahwif->drive->waiting_for_dma = 0;
+}
+
+#endif /* end CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
 
-        _auide_hwif *ahwif = (_auide_hwif*)param;
-        ahwif->drive->waiting_for_dma = 0;
-        return;
+static void auide_init_dbdma_dev(dbdev_tab_t *dev, u32 dev_id, u32 tsize, u32 devwidth, u32 flags)
+{
+        dev->dev_id          = dev_id;
+        dev->dev_physaddr    = (u32)AU1XXX_ATA_PHYS_ADDR;
+        dev->dev_intlevel    = 0;
+        dev->dev_intpolarity = 0;
+        dev->dev_tsize       = tsize;
+        dev->dev_devwidth    = devwidth;
+        dev->dev_flags       = flags;
 }
+  
+#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
 
 static int auide_dma_timeout(ide_drive_t *drive)
 {
 //      printk("%s\n", __FUNCTION__);
 
-        printk(KERN_ERR "%s: DMA timeout occurred: ", drive->name);
+        printk(KERN_ERR "%s: DMA timeout occurred: ", drive->name);
 
-        if (HWIF(drive)->ide_dma_test_irq(drive))
-                return 0;
+        if (HWIF(drive)->ide_dma_test_irq(drive))
+                return 0;
 
-        return HWIF(drive)->ide_dma_end(drive);
+        return HWIF(drive)->ide_dma_end(drive);
 }
-#endif /* end CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
+                                        
 
+static int auide_ddma_init(_auide_hwif *auide) {
+        
+        dbdev_tab_t source_dev_tab, target_dev_tab;
+        u32 dev_id, tsize, devwidth, flags;
+        ide_hwif_t *hwif = auide->hwif;
 
-static int auide_ddma_init( _auide_hwif *auide )
-{
-//      printk("%s\n", __FUNCTION__);
+        dev_id   = AU1XXX_ATA_DDMA_REQ;
 
-        dbdev_tab_t source_dev_tab;
-#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
-        dbdev_tab_t target_dev_tab;
-        ide_hwif_t *hwif = auide->hwif;
-        char warning_output [2][80];
-        int i;
-#endif
+        if (auide->white_list || auide->black_list) {
+                tsize    = 8;
+                devwidth = 32;
+        }
+        else { 
+                tsize    = 1;
+                devwidth = 16;
+                
+                printk(KERN_ERR "au1xxx-ide: %s is not on ide driver whitelist.\n",auide_hwif.drive->id->model);
+                printk(KERN_ERR "            please read 'Documentation/mips/AU1xxx_IDE.README'");
+        }
 
-        /* Add our custom device to DDMA device table */
-        /* Create our new device entries in the table */
-#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
-        source_dev_tab.dev_id = AU1XXX_ATA_DDMA_REQ;
-
-        if( auide->white_list || auide->black_list ){
-                source_dev_tab.dev_tsize       = 8;
-                source_dev_tab.dev_devwidth    = 32;
-                source_dev_tab.dev_physaddr    = (u32)AU1XXX_ATA_PHYS_ADDR;
-                source_dev_tab.dev_intlevel    = 0;
-                source_dev_tab.dev_intpolarity = 0;
-
-                /* init device table for target - static bus controller - */
-                target_dev_tab.dev_id          = DSCR_CMD0_ALWAYS;
-                target_dev_tab.dev_tsize       = 8;
-                target_dev_tab.dev_devwidth    = 32;
-                target_dev_tab.dev_physaddr    = (u32)AU1XXX_ATA_PHYS_ADDR;
-                target_dev_tab.dev_intlevel    = 0;
-                target_dev_tab.dev_intpolarity = 0;
-                target_dev_tab.dev_flags       = DEV_FLAGS_ANYUSE;
-        }
-        else{
-                source_dev_tab.dev_tsize       = 1;
-                source_dev_tab.dev_devwidth    = 16;
-                source_dev_tab.dev_physaddr    = (u32)AU1XXX_ATA_PHYS_ADDR;
-                source_dev_tab.dev_intlevel    = 0;
-                source_dev_tab.dev_intpolarity = 0;
-
-                /* init device table for target - static bus controller - */
-                target_dev_tab.dev_id          = DSCR_CMD0_ALWAYS;
-                target_dev_tab.dev_tsize       = 1;
-                target_dev_tab.dev_devwidth    = 16;
-                target_dev_tab.dev_physaddr    = (u32)AU1XXX_ATA_PHYS_ADDR;
-                target_dev_tab.dev_intlevel    = 0;
-                target_dev_tab.dev_intpolarity = 0;
-                target_dev_tab.dev_flags       = DEV_FLAGS_ANYUSE;
-
-                sprintf(&warning_output[0][0],
-                        "%s is not on ide driver white list.",
-                        auide_hwif.drive->id->model);
-                for ( i=strlen(&warning_output[0][0]) ; i<76; i++ ){
-                        sprintf(&warning_output[0][i]," ");
-                }
-
-                sprintf(&warning_output[1][0],
-                "To add %s please read 'Documentation/mips/AU1xxx_IDE.README'.",
-                        auide_hwif.drive->id->model);
-                for ( i=strlen(&warning_output[1][0]) ; i<76; i++ ){
-                        sprintf(&warning_output[1][i]," ");
-                }
-
-                printk("\n****************************************");
-                printk("****************************************\n");
-                printk("* %s *\n",&warning_output[0][0]);
-                printk("* Switch to safe MWDMA Mode!            ");
-                printk("                                       *\n");
-                printk("* %s *\n",&warning_output[1][0]);
-                printk("****************************************");
-                printk("****************************************\n\n");
-        }
+#ifdef IDE_AU1XXX_BURSTMODE 
+        flags = DEV_FLAGS_SYNC | DEV_FLAGS_BURSTABLE;
 #else
-        source_dev_tab.dev_id = DSCR_CMD0_ALWAYS;
-        source_dev_tab.dev_tsize       = 8;
-        source_dev_tab.dev_devwidth    = 32;
-        source_dev_tab.dev_physaddr    = (u32)AU1XXX_ATA_PHYS_ADDR;
-        source_dev_tab.dev_intlevel    = 0;
-        source_dev_tab.dev_intpolarity = 0;
+        flags = DEV_FLAGS_SYNC;
 #endif
 
-#if CONFIG_BLK_DEV_IDE_AU1XXX_BURSTABLE_ON
-        /* set flags for tx channel */
-        source_dev_tab.dev_flags =  DEV_FLAGS_OUT
-                                  | DEV_FLAGS_SYNC
-                                  | DEV_FLAGS_BURSTABLE;
-        auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
-        /* set flags for rx channel */
-        source_dev_tab.dev_flags =  DEV_FLAGS_IN
-                                  | DEV_FLAGS_SYNC
-                                  | DEV_FLAGS_BURSTABLE;
-        auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
+        /* setup dev_tab for tx channel */
+        auide_init_dbdma_dev( &source_dev_tab,
+                              dev_id,
+                              tsize, devwidth, DEV_FLAGS_OUT | flags);
+        auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
+
+        auide_init_dbdma_dev( &source_dev_tab,
+                              dev_id,
+                              tsize, devwidth, DEV_FLAGS_IN | flags);
+        auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
+        
+        /* We also need to add a target device for the DMA */
+        auide_init_dbdma_dev( &target_dev_tab,
+                              (u32)DSCR_CMD0_ALWAYS,
+                              tsize, devwidth, DEV_FLAGS_ANYUSE);
+        auide->target_dev_id = au1xxx_ddma_add_device(&target_dev_tab); 
+ 
+        /* Get a channel for TX */
+        auide->tx_chan = au1xxx_dbdma_chan_alloc(auide->target_dev_id,
+                                                 auide->tx_dev_id,
+                                                 auide_ddma_tx_callback,
+                                                 (void*)auide);
+ 
+        /* Get a channel for RX */
+        auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id,
+                                                 auide->target_dev_id,
+                                                 auide_ddma_rx_callback,
+                                                 (void*)auide);
+
+        auide->tx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->tx_chan,
+                                                             NUM_DESCRIPTORS);
+        auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan,
+                                                             NUM_DESCRIPTORS);
+ 
+        hwif->dmatable_cpu = dma_alloc_coherent(auide->dev,
+                                                PRD_ENTRIES * PRD_BYTES,        /* 1 Page */
+                                                &hwif->dmatable_dma, GFP_KERNEL);
+        
+        au1xxx_dbdma_start( auide->tx_chan );
+        au1xxx_dbdma_start( auide->rx_chan );
+ 
+        return 0;
+} 
 #else
-        /* set flags for tx channel */
-        source_dev_tab.dev_flags = DEV_FLAGS_OUT | DEV_FLAGS_SYNC;
-        auide->tx_dev_id         = au1xxx_ddma_add_device( &source_dev_tab );
-        /* set flags for rx channel */
-        source_dev_tab.dev_flags = DEV_FLAGS_IN | DEV_FLAGS_SYNC;
-        auide->rx_dev_id         = au1xxx_ddma_add_device( &source_dev_tab );
-#endif
+ 
+static int auide_ddma_init( _auide_hwif *auide )
+{
+        dbdev_tab_t source_dev_tab;
+        int flags;
 
-#if  defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
-
-        auide->target_dev_id           = au1xxx_ddma_add_device(&target_dev_tab);
-
-        /* Get a channel for TX */
-        auide->tx_chan = au1xxx_dbdma_chan_alloc(auide->target_dev_id,
-                                                 auide->tx_dev_id,
-                                                 auide_ddma_tx_callback,
-                                                 (void*)auide);
-        /* Get a channel for RX */
-        auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id,
-                                                 auide->target_dev_id,
-                                                 auide_ddma_rx_callback,
-                                                 (void*)auide);
-#else   /* CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA */
-        /*
-         * Note: if call back is not enabled, update ctp->cur_ptr manually
-         */
-        auide->tx_chan = au1xxx_dbdma_chan_alloc(DSCR_CMD0_ALWAYS,
-                                                 auide->tx_dev_id,
-                                                 NULL,
-                                                 (void*)auide);
-        auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id,
-                                                 DSCR_CMD0_ALWAYS,
-                                                 NULL,
-                                                 (void*)auide);
+#ifdef IDE_AU1XXX_BURSTMODE 
+        flags = DEV_FLAGS_SYNC | DEV_FLAGS_BURSTABLE;
+#else
+        flags = DEV_FLAGS_SYNC;
 #endif
-        auide->tx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->tx_chan,
-                                                             NUM_DESCRIPTORS);
-        auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan,
-                                                             NUM_DESCRIPTORS);
 
-#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
-        hwif->dmatable_cpu = dma_alloc_coherent(auide->dev,
-                                                PRD_ENTRIES * PRD_BYTES,        /* 1 Page */
-                                                &hwif->dmatable_dma, GFP_KERNEL);
-
-        auide->sg_table = kmalloc(sizeof(struct scatterlist) * PRD_ENTRIES,
-                                GFP_KERNEL|GFP_DMA);
-        if (auide->sg_table == NULL) {
-                return -ENOMEM;
-        }
-#endif
-        au1xxx_dbdma_start( auide->tx_chan );
-        au1xxx_dbdma_start( auide->rx_chan );
-        return 0;
+        /* setup dev_tab for tx channel */
+        auide_init_dbdma_dev( &source_dev_tab,
+                              (u32)DSCR_CMD0_ALWAYS,
+                              8, 32, DEV_FLAGS_OUT | flags);
+        auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
+
+        auide_init_dbdma_dev( &source_dev_tab,
+                              (u32)DSCR_CMD0_ALWAYS,
+                              8, 32, DEV_FLAGS_IN | flags);
+        auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
+        
+        /* Get a channel for TX */
+        auide->tx_chan = au1xxx_dbdma_chan_alloc(DSCR_CMD0_ALWAYS,
+                                                 auide->tx_dev_id,
+                                                 NULL,
+                                                 (void*)auide);
+ 
+        /* Get a channel for RX */
+        auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id,
+                                                 DSCR_CMD0_ALWAYS,
+                                                 NULL,
+                                                 (void*)auide);
+ 
+        auide->tx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->tx_chan,
+                                                             NUM_DESCRIPTORS);
+        auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan,
+                                                             NUM_DESCRIPTORS);
+ 
+        au1xxx_dbdma_start( auide->tx_chan );
+        au1xxx_dbdma_start( auide->rx_chan );
+        
+        return 0;
 }
+#endif
 
 static void auide_setup_ports(hw_regs_t *hw, _auide_hwif *ahwif)
 {
-        int i;
-#define ide_ioreg_t unsigned long
-        ide_ioreg_t *ata_regs = hw->io_ports;
-
-        /* fixme */
-        for (i = 0; i < IDE_CONTROL_OFFSET; i++) {
-                *ata_regs++ = (ide_ioreg_t) ahwif->regbase
-                            + (ide_ioreg_t)(i << AU1XXX_ATA_REG_OFFSET);
-        }
-
-        /* set the Alternative Status register */
-        *ata_regs = (ide_ioreg_t) ahwif->regbase
-                  + (ide_ioreg_t)(14 << AU1XXX_ATA_REG_OFFSET);
+        int i;
+        unsigned long *ata_regs = hw->io_ports;
+
+        /* FIXME? */
+        for (i = 0; i < IDE_CONTROL_OFFSET; i++) {
+                *ata_regs++ = ahwif->regbase + (i << AU1XXX_ATA_REG_OFFSET);
+        }
+
+        /* set the Alternative Status register */
+        *ata_regs = ahwif->regbase + (14 << AU1XXX_ATA_REG_OFFSET);
 }
 
 static int au_ide_probe(struct device *dev)
 {
         struct platform_device *pdev = to_platform_device(dev);
-        _auide_hwif *ahwif = &auide_hwif;
-        ide_hwif_t *hwif;
+        _auide_hwif *ahwif = &auide_hwif;
+        ide_hwif_t *hwif;
         struct resource *res;
         int ret = 0;
 
 #if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
-        char *mode = "MWDMA2";
+        char *mode = "MWDMA2";
 #elif defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA)
-        char *mode = "PIO+DDMA(offload)";
+        char *mode = "PIO+DDMA(offload)";
 #endif
 
-        memset(&auide_hwif, 0, sizeof(_auide_hwif));
-        auide_hwif.dev                  = 0;
+        memset(&auide_hwif, 0, sizeof(_auide_hwif));
+        auide_hwif.dev                  = 0;
 
         ahwif->dev = dev;
         ahwif->irq = platform_get_irq(pdev, 0);
@@ -902,11 +675,11 @@ static int au_ide_probe(struct device *dev)
                 goto out;
         }
 
-        if (!request_mem_region (res->start, res->end-res->start, pdev->name)) {
+        if (!request_mem_region (res->start, res->end-res->start, pdev->name)) {
                 pr_debug("%s: request_mem_region failed\n", DRV_NAME);
-                ret =  -EBUSY;
+                ret =  -EBUSY;
                 goto out;
-        }
+        }
 
         ahwif->regbase = (u32)ioremap(res->start, res->end-res->start);
         if (ahwif->regbase == 0) {
@@ -914,130 +687,92 @@ static int au_ide_probe(struct device *dev)
                 goto out;
         }
 
-        hwif                            = &ide_hwifs[pdev->id];
+        /* FIXME:  This might possibly break PCMCIA IDE devices */
+
+        hwif                            = &ide_hwifs[pdev->id];
         hw_regs_t *hw                   = &hwif->hw;
-        hwif->irq = hw->irq             = ahwif->irq;
-        hwif->chipset                   = ide_au1xxx;
+        hwif->irq = hw->irq             = ahwif->irq;
+        hwif->chipset                   = ide_au1xxx;
 
-        auide_setup_ports(hw, ahwif);
+        auide_setup_ports(hw, ahwif);
         memcpy(hwif->io_ports, hw->io_ports, sizeof(hwif->io_ports));
 
-#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ
-        hwif->rqsize = CONFIG_BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ;
-        hwif->rqsize                    = ((hwif->rqsize > AU1XXX_ATA_RQSIZE)
-                                        || (hwif->rqsize < 32)) ? AU1XXX_ATA_RQSIZE : hwif->rqsize;
-#else /* if kernel config is not set */
-        hwif->rqsize                    = AU1XXX_ATA_RQSIZE;
-#endif
-
-        hwif->ultra_mask                = 0x0;  /* Disable Ultra DMA */
+        hwif->ultra_mask                = 0x0;  /* Disable Ultra DMA */
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
-        hwif->mwdma_mask                = 0x07; /* Multimode-2 DMA  */
-        hwif->swdma_mask                = 0x07;
+        hwif->mwdma_mask                = 0x07; /* Multimode-2 DMA  */
+        hwif->swdma_mask                = 0x00;
 #else
-        hwif->mwdma_mask                = 0x0;
-        hwif->swdma_mask                = 0x0;
+        hwif->mwdma_mask                = 0x0;
+        hwif->swdma_mask                = 0x0;
+#endif
+
+        hwif->noprobe = 0;
+        hwif->drives[0].unmask          = 1;
+        hwif->drives[1].unmask          = 1;
+
+        /* hold should be on in all cases */
+        hwif->hold                      = 1;
+        hwif->mmio                      = 2;
+
+        /* If the user has selected DDMA assisted copies,
+           then set up a few local I/O function entry points 
+        */
+
+#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA      
+        hwif->INSW                      = auide_insw;
+        hwif->OUTSW                     = auide_outsw;
 #endif
-        //hwif->noprobe = !hwif->io_ports[IDE_DATA_OFFSET];
-        hwif->noprobe = 0;
-        hwif->drives[0].unmask          = 1;
-        hwif->drives[1].unmask          = 1;
-
-        /* hold should be on in all cases */
-        hwif->hold                      = 1;
-        hwif->mmio                      = 2;
-
-        /* set up local I/O function entry points */
-        hwif->INB                       = auide_inb;
-        hwif->INW                       = auide_inw;
-        hwif->INL                       = auide_inl;
-        hwif->INSW                      = auide_insw;
-        hwif->INSL                      = auide_insl;
-        hwif->OUTB                      = auide_outb;
-        hwif->OUTBSYNC                  = auide_outbsync;
-        hwif->OUTW                      = auide_outw;
-        hwif->OUTL                      = auide_outl;
-        hwif->OUTSW                     = auide_outsw;
-        hwif->OUTSL                     = auide_outsl;
-
-        hwif->tuneproc                  = &auide_tune_drive;
-        hwif->speedproc                 = &auide_tune_chipset;
+
+        hwif->tuneproc                  = &auide_tune_drive;
+        hwif->speedproc                 = &auide_tune_chipset;
 
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
-        hwif->ide_dma_off_quietly       = &auide_dma_off_quietly;
-        hwif->ide_dma_timeout           = &auide_dma_timeout;
-
-        hwif->ide_dma_check             = &auide_dma_check;
-        hwif->dma_exec_cmd              = &auide_dma_exec_cmd;
-        hwif->dma_start                 = &auide_dma_start;
-        hwif->ide_dma_end               = &auide_dma_end;
-        hwif->dma_setup                 = &auide_dma_setup;
-        hwif->ide_dma_test_irq          = &auide_dma_test_irq;
-        hwif->ide_dma_host_off          = &auide_dma_host_off;
-        hwif->ide_dma_host_on           = &auide_dma_host_on;
-        hwif->ide_dma_lostirq           = &auide_dma_lostirq;
-        hwif->ide_dma_on                = &auide_dma_on;
-
-        hwif->autodma                   = 1;
-        hwif->drives[0].autodma         = hwif->autodma;
-        hwif->drives[1].autodma         = hwif->autodma;
-        hwif->atapi_dma                 = 1;
-        hwif->drives[0].using_dma       = 1;
-        hwif->drives[1].using_dma       = 1;
+        hwif->ide_dma_off_quietly       = &auide_dma_off_quietly;
+        hwif->ide_dma_timeout           = &auide_dma_timeout;
+
+        hwif->ide_dma_check             = &auide_dma_check;
+        hwif->dma_exec_cmd              = &auide_dma_exec_cmd;
+        hwif->dma_start                 = &auide_dma_start;
+        hwif->ide_dma_end               = &auide_dma_end;
+        hwif->dma_setup                 = &auide_dma_setup;
+        hwif->ide_dma_test_irq          = &auide_dma_test_irq;
+        hwif->ide_dma_host_off          = &auide_dma_host_off;
+        hwif->ide_dma_host_on           = &auide_dma_host_on;
+        hwif->ide_dma_lostirq           = &auide_dma_lostirq;
+        hwif->ide_dma_on                = &auide_dma_on;
+
+        hwif->autodma                   = 1;
+        hwif->drives[0].autodma         = hwif->autodma;
+        hwif->drives[1].autodma         = hwif->autodma;
+        hwif->atapi_dma                 = 1;
+
 #else /* !CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
-        hwif->autodma                   = 0;
-        hwif->channel                   = 0;
-        hwif->hold                      = 1;
-        hwif->select_data               = 0;    /* no chipset-specific code */
-        hwif->config_data               = 0;    /* no chipset-specific code */
-
-        hwif->drives[0].autodma         = 0;
-        hwif->drives[0].drive_data      = 0;    /* no drive data */
-        hwif->drives[0].using_dma       = 0;
-        hwif->drives[0].waiting_for_dma = 0;
-        hwif->drives[0].autotune        = 1;    /* 1=autotune, 2=noautotune, 0=default */
-        /* secondary hdd not supported */
-        hwif->drives[1].autodma         = 0;
-
-        hwif->drives[1].drive_data      = 0;
-        hwif->drives[1].using_dma       = 0;
-        hwif->drives[1].waiting_for_dma = 0;
-        hwif->drives[1].autotune        = 2;   /* 1=autotune, 2=noautotune, 0=default */
-#endif
-        hwif->drives[0].io_32bit        = 0;   /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */
-        hwif->drives[1].io_32bit        = 0;   /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */
-
-        /*Register Driver with PM Framework*/
-#ifdef CONFIG_PM
-        auide_hwif.pm.lock    = SPIN_LOCK_UNLOCKED;
-        auide_hwif.pm.stopped = 0;
-
-        auide_hwif.pm.dev = new_au1xxx_power_device( "ide",
-                                                &au1200ide_pm_callback,
-                                                NULL);
-        if ( auide_hwif.pm.dev == NULL )
-                printk(KERN_INFO "Unable to create a power management \
-                                device entry for the au1200-IDE.\n");
-        else
-                printk(KERN_INFO "Power management device entry for the \
-                                au1200-IDE loaded.\n");
+        hwif->autodma                   = 0;
+        hwif->channel                   = 0;
+        hwif->hold                      = 1;
+        hwif->select_data               = 0;    /* no chipset-specific code */
+        hwif->config_data               = 0;    /* no chipset-specific code */
+
+        hwif->drives[0].autodma         = 0;
+        hwif->drives[0].autotune        = 1;    /* 1=autotune, 2=noautotune, 0=default */
 #endif
+        hwif->drives[0].no_io_32bit     = 1;   
 
-        auide_hwif.hwif                 = hwif;
-        hwif->hwif_data                 = &auide_hwif;
+        auide_hwif.hwif                 = hwif;
+        hwif->hwif_data                 = &auide_hwif;
 
-#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA
-        auide_ddma_init(&auide_hwif);
-        dbdma_init_done = 1;
+#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA           
+        auide_ddma_init(&auide_hwif);
+        dbdma_init_done = 1;
 #endif
 
         probe_hwif_init(hwif);
         dev_set_drvdata(dev, hwif);
 
-        printk(KERN_INFO "Au1xxx IDE(builtin) configured for %s\n", mode );
+        printk(KERN_INFO "Au1xxx IDE(builtin) configured for %s\n", mode );
 
-out:
-        return ret;
+ out:
+        return ret;
 }
 
 static int au_ide_remove(struct device *dev)
@@ -1045,7 +780,7 @@ static int au_ide_remove(struct device *dev)
         struct platform_device *pdev = to_platform_device(dev);
         struct resource *res;
         ide_hwif_t *hwif = dev_get_drvdata(dev);
-        _auide_hwif *ahwif = &auide_hwif;
+        _auide_hwif *ahwif = &auide_hwif;
 
         ide_unregister(hwif - ide_hwifs);
 
@@ -1069,180 +804,11 @@ static int __init au_ide_init(void)
         return driver_register(&au1200_ide_driver);
 }
 
-static void __init au_ide_exit(void)
+static void __exit au_ide_exit(void)
 {
         driver_unregister(&au1200_ide_driver);
 }
 
-#ifdef CONFIG_PM
-int au1200ide_pm_callback( au1xxx_power_dev_t *dev,\
-                        au1xxx_request_t request, void *data) {
-
-        unsigned int d, err = 0;
-        unsigned long flags;
-
-        spin_lock_irqsave(auide_hwif.pm.lock, flags);
-
-        switch (request){
-                case AU1XXX_PM_SLEEP:
-                        err = au1xxxide_pm_sleep(dev);
-                        break;
-                case AU1XXX_PM_WAKEUP:
-                        d = *((unsigned int*)data);
-                        if ( d > 0 && d <= 99) {
-                                err = au1xxxide_pm_standby(dev);
-                        }
-                        else {
-                                err = au1xxxide_pm_resume(dev);
-                        }
-                        break;
-                case AU1XXX_PM_GETSTATUS:
-                        err = au1xxxide_pm_getstatus(dev);
-                        break;
-                case AU1XXX_PM_ACCESS:
-                        err = au1xxxide_pm_access(dev);
-                        break;
-                case AU1XXX_PM_IDLE:
-                        err = au1xxxide_pm_idle(dev);
-                        break;
-                case AU1XXX_PM_CLEANUP:
-                        err = au1xxxide_pm_cleanup(dev);
-                        break;
-                default:
-                        err = -1;
-                        break;
-        }
-
-        spin_unlock_irqrestore(auide_hwif.pm.lock, flags);
-
-        return err;
-}
-
-static int au1xxxide_pm_standby( au1xxx_power_dev_t *dev ) {
-        return 0;
-}
-
-static int au1xxxide_pm_sleep( au1xxx_power_dev_t *dev ) {
-
-        int retval;
-        ide_hwif_t *hwif = auide_hwif.hwif;
-        struct request rq;
-        struct request_pm_state rqpm;
-        ide_task_t args;
-
-        if(auide_hwif.pm.stopped)
-                return -1;
-
-        /*
-         * wait until hard disc is ready
-         */
-        if ( wait_for_ready(&hwif->drives[0], 35000) ) {
-                printk("Wait for drive sleep timeout!\n");
-                retval = -1;
-        }
-
-        /*
-         * sequenz to tell the high level ide driver that pm is resuming
-         */
-        memset(&rq, 0, sizeof(rq));
-        memset(&rqpm, 0, sizeof(rqpm));
-        memset(&args, 0, sizeof(args));
-        rq.flags = REQ_PM_SUSPEND;
-        rq.special = &args;
-        rq.pm = &rqpm;
-        rqpm.pm_step = ide_pm_state_start_suspend;
-        rqpm.pm_state = PMSG_SUSPEND;
-
-        retval = ide_do_drive_cmd(&hwif->drives[0], &rq, ide_wait);
-
-        if (wait_for_ready (&hwif->drives[0], 35000)) {
-                printk("Wait for drive sleep timeout!\n");
-                retval = -1;
-        }
-
-        /*
-         * stop dbdma channels
-         */
-        au1xxx_dbdma_reset(auide_hwif.tx_chan);
-        au1xxx_dbdma_reset(auide_hwif.rx_chan);
-
-        auide_hwif.pm.stopped = 1;
-
-        return retval;
-}
-
-static int au1xxxide_pm_resume( au1xxx_power_dev_t *dev ) {
-
-        int retval;
-        ide_hwif_t *hwif = auide_hwif.hwif;
-        struct request rq;
-        struct request_pm_state rqpm;
-        ide_task_t args;
-
-        if(!auide_hwif.pm.stopped)
-                return -1;
-
-        /*
-         * start dbdma channels
-         */
-        au1xxx_dbdma_start(auide_hwif.tx_chan);
-        au1xxx_dbdma_start(auide_hwif.rx_chan);
-
-        /*
-         * wait until hard disc is ready
-         */
-        if (wait_for_ready ( &hwif->drives[0], 35000)) {
-                printk("Wait for drive wake up timeout!\n");
-                retval = -1;
-        }
-
-        /*
-         * sequenz to tell the high level ide driver that pm is resuming
-         */
-        memset(&rq, 0, sizeof(rq));
-        memset(&rqpm, 0, sizeof(rqpm));
-        memset(&args, 0, sizeof(args));
-        rq.flags = REQ_PM_RESUME;
-        rq.special = &args;
-        rq.pm = &rqpm;
-        rqpm.pm_step = ide_pm_state_start_resume;
-        rqpm.pm_state = PMSG_ON;
-
-        retval = ide_do_drive_cmd(&hwif->drives[0], &rq, ide_head_wait);
-
-        /*
-        * wait for hard disc
-        */
-        if ( wait_for_ready(&hwif->drives[0], 35000) ) {
-                printk("Wait for drive wake up timeout!\n");
-                retval = -1;
-        }
-
-        auide_hwif.pm.stopped = 0;
-
-        return retval;
-}
-
-static int au1xxxide_pm_getstatus( au1xxx_power_dev_t *dev ) {
-        return dev->cur_state;
-}
-
-static int au1xxxide_pm_access( au1xxx_power_dev_t *dev ) {
-        if (dev->cur_state != AWAKE_STATE)
-                return 0;
-        else
-                return -1;
-}
-
-static int au1xxxide_pm_idle( au1xxx_power_dev_t *dev ) {
-        return 0;
-}
-
-static int au1xxxide_pm_cleanup( au1xxx_power_dev_t *dev ) {
-        return 0;
-}
-#endif /* CONFIG_PM */
-
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("AU1200 IDE driver");
 
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index af526b671c4e..4ee597d08797 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -622,12 +622,18 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t * d)
         ide_hwif_t *hwif;
         int h;
 
+        /*
+         * Find an empty HWIF; if none available, return -ENOMEM.
+         */
         for (h = 0; h < MAX_HWIFS; ++h) {
                 hwif = &ide_hwifs[h];
-                /* Find an empty HWIF */
                 if (hwif->chipset == ide_unknown)
                         break;
         }
+        if (h == MAX_HWIFS) {
+                printk(KERN_ERR "%s: too many IDE interfaces, no room in table\n", d->name);
+                return -ENOMEM;
+        }
 
         /*  Get the CmdBlk and CtrlBlk Base Registers */
         base = pci_resource_start(dev, 0) + IOC4_CMD_OFFSET;
diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c
index 7161ce0ef5aa..86fb1e0286d3 100644
--- a/drivers/ide/pci/via82cxxx.c
+++ b/drivers/ide/pci/via82cxxx.c
@@ -80,6 +80,7 @@ static struct via_isa_bridge {
         u16 flags;
 } via_isa_bridges[] = {
         { "vt6410",     PCI_DEVICE_ID_VIA_6410,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
+        { "vt8251",     PCI_DEVICE_ID_VIA_8251,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
         { "vt8237",     PCI_DEVICE_ID_VIA_8237,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
         { "vt8235",     PCI_DEVICE_ID_VIA_8235,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
         { "vt8233a",    PCI_DEVICE_ID_VIA_8233A,    0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
index 49d0416a2a9a..bac3085185fe 100644
--- a/drivers/input/misc/wistron_btns.c
+++ b/drivers/input/misc/wistron_btns.c
@@ -320,7 +320,7 @@ static struct dmi_system_id dmi_ids[] = {
                 },
                 .driver_data = keymap_acer_aspire_1500
         },
-        { 0, }
+        { NULL, }
 };
 
 static int __init select_keymap(void)
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index 4acc7fd4cd0f..4f41ec3e4332 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -42,7 +42,7 @@ static struct alps_model_info alps_model_data[] = {
         { { 0x53, 0x02, 0x14 }, 0xf8, 0xf8, 0 },
         { { 0x63, 0x02, 0x0a }, 0xf8, 0xf8, 0 },
         { { 0x63, 0x02, 0x14 }, 0xf8, 0xf8, 0 },
-        { { 0x63, 0x02, 0x28 }, 0xf8, 0xf8, 0 },
+        { { 0x63, 0x02, 0x28 }, 0xf8, 0xf8, ALPS_FW_BK_2 },             /* Fujitsu Siemens S6010 */
         { { 0x63, 0x02, 0x3c }, 0x8f, 0x8f, ALPS_WHEEL },               /* Toshiba Satellite S2400-103 */
         { { 0x63, 0x02, 0x50 }, 0xef, 0xef, ALPS_FW_BK_1 },             /* NEC Versa L320 */
         { { 0x63, 0x02, 0x64 }, 0xf8, 0xf8, 0 },
diff --git a/drivers/media/dvb/bt8xx/dst_ca.c b/drivers/media/dvb/bt8xx/dst_ca.c
index e6541aff3996..2239651969c8 100644
--- a/drivers/media/dvb/bt8xx/dst_ca.c
+++ b/drivers/media/dvb/bt8xx/dst_ca.c
@@ -406,7 +406,7 @@ static int ca_send_message(struct dst_state *state, struct ca_msg *p_ca_message,
         }
         dprintk(verbose, DST_CA_DEBUG, 1, " ");
 
-        if (copy_from_user(p_ca_message, (void *)arg, sizeof (struct ca_msg))) {
+        if (copy_from_user(p_ca_message, arg, sizeof (struct ca_msg))) {
                 result = -EFAULT;
                 goto free_mem_and_exit;
         }
@@ -579,7 +579,7 @@ static int dst_ca_release(struct inode *inode, struct file *file)
         return 0;
 }
 
-static int dst_ca_read(struct file *file, char __user *buffer, size_t length, loff_t *offset)
+static ssize_t dst_ca_read(struct file *file, char __user *buffer, size_t length, loff_t *offset)
 {
         int bytes_read = 0;
 
@@ -588,7 +588,7 @@ static int dst_ca_read(struct file *file, char __user *buffer, size_t length, lo
         return bytes_read;
 }
 
-static int dst_ca_write(struct file *file, const char __user *buffer, size_t length, loff_t *offset)
+static ssize_t dst_ca_write(struct file *file, const char __user *buffer, size_t length, loff_t *offset)
 {
         dprintk(verbose, DST_CA_DEBUG, 1, " Device write.");
 
diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c
index e8a1c2247567..ec11619f8ea9 100644
--- a/drivers/media/video/em28xx/em28xx-core.c
+++ b/drivers/media/video/em28xx/em28xx-core.c
@@ -126,7 +126,7 @@ u32 em28xx_request_buffers(struct em28xx *dev, u32 count)
         const size_t imagesize = PAGE_ALIGN(dev->frame_size);   /*needs to be page aligned cause the buffers can be mapped individually! */
         void *buff = NULL;
         u32 i;
-        em28xx_coredbg("requested %i buffers with size %i", count, imagesize);
+        em28xx_coredbg("requested %i buffers with size %zd", count, imagesize);
         if (count > EM28XX_NUM_FRAMES)
                 count = EM28XX_NUM_FRAMES;
 
diff --git a/drivers/message/i2o/pci.c b/drivers/message/i2o/pci.c
index 81ef306cb124..ee7075fa1ec3 100644
--- a/drivers/message/i2o/pci.c
+++ b/drivers/message/i2o/pci.c
@@ -303,6 +303,7 @@ static int __devinit i2o_pci_probe(struct pci_dev *pdev,
         struct i2o_controller *c;
         int rc;
         struct pci_dev *i960 = NULL;
+        int pci_dev_busy = 0;
 
         printk(KERN_INFO "i2o: Checking for PCI I2O controllers...\n");
 
@@ -395,6 +396,8 @@ static int __devinit i2o_pci_probe(struct pci_dev *pdev,
         if ((rc = i2o_pci_alloc(c))) {
                 printk(KERN_ERR "%s: DMA / IO allocation for I2O controller "
                        " failed\n", c->name);
+                if (rc == -ENODEV)
+                        pci_dev_busy = 1;
                 goto free_controller;
         }
 
@@ -425,7 +428,8 @@ static int __devinit i2o_pci_probe(struct pci_dev *pdev,
         i2o_iop_free(c);
 
       disable:
-        pci_disable_device(pdev);
+        if (!pci_dev_busy)
+                pci_disable_device(pdev);
 
         return rc;
 }
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index b586a83a9b4c..eb41391e06e9 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -679,7 +679,15 @@ static void mmc_idle_cards(struct mmc_host *host)
 }
 
 /*
- * Apply power to the MMC stack.
+ * Apply power to the MMC stack.  This is a two-stage process.
+ * First, we enable power to the card without the clock running.
+ * We then wait a bit for the power to stabilise.  Finally,
+ * enable the bus drivers and clock to the card.
+ *
+ * We must _NOT_ enable the clock prior to power stablising.
+ *
+ * If a host does all the power sequencing itself, ignore the
+ * initial MMC_POWER_UP stage.
  */
 static void mmc_power_up(struct mmc_host *host)
 {
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index 5303a96b4327..258128a6a271 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -3070,7 +3070,7 @@ int s2io_set_swapper(nic_t * sp)
 
 static int wait_for_msix_trans(nic_t *nic, int i)
 {
-        XENA_dev_config_t *bar0 = (XENA_dev_config_t *) nic->bar0;
+        XENA_dev_config_t __iomem *bar0 = nic->bar0;
         u64 val64;
         int ret = 0, cnt = 0;
 
@@ -3091,7 +3091,7 @@ static int wait_for_msix_trans(nic_t *nic, int i)
 
 void restore_xmsi_data(nic_t *nic)
 {
-        XENA_dev_config_t *bar0 = (XENA_dev_config_t *) nic->bar0;
+        XENA_dev_config_t __iomem *bar0 = nic->bar0;
         u64 val64;
         int i;
 
@@ -3109,7 +3109,7 @@ void restore_xmsi_data(nic_t *nic)
 
 static void store_xmsi_data(nic_t *nic)
 {
-        XENA_dev_config_t *bar0 = (XENA_dev_config_t *) nic->bar0;
+        XENA_dev_config_t __iomem *bar0 = nic->bar0;
         u64 val64, addr, data;
         int i;
 
@@ -3132,7 +3132,7 @@ static void store_xmsi_data(nic_t *nic)
 
 int s2io_enable_msi(nic_t *nic)
 {
-        XENA_dev_config_t *bar0 = (XENA_dev_config_t *) nic->bar0;
+        XENA_dev_config_t __iomem *bar0 = nic->bar0;
         u16 msi_ctrl, msg_val;
         struct config_param *config = &nic->config;
         struct net_device *dev = nic->dev;
@@ -3182,7 +3182,7 @@ int s2io_enable_msi(nic_t *nic)
 
 int s2io_enable_msi_x(nic_t *nic)
 {
-        XENA_dev_config_t *bar0 = (XENA_dev_config_t *) nic->bar0;
+        XENA_dev_config_t __iomem *bar0 = nic->bar0;
         u64 tx_mat, rx_mat;
         u16 msi_control; /* Temp variable */
         int ret, i, j, msix_indx = 1;
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 47bd4a394420..a23ed28a72b8 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -68,8 +68,8 @@
 
 #define DRV_MODULE_NAME         "tg3"
 #define PFX DRV_MODULE_NAME     ": "
-#define DRV_MODULE_VERSION      "3.44"
-#define DRV_MODULE_RELDATE      "Dec 6, 2005"
+#define DRV_MODULE_VERSION      "3.45"
+#define DRV_MODULE_RELDATE      "Dec 13, 2005"
 
 #define TG3_DEF_MAC_MODE        0
 #define TG3_DEF_RX_MODE         0
@@ -1025,7 +1025,9 @@ static void tg3_frob_aux_power(struct tg3 *tp)
 
 
         if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
-            (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0) {
+            (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
+            (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
+            (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
                         tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
@@ -1105,6 +1107,8 @@ static int tg3_setup_phy(struct tg3 *, int);
 
 static void tg3_write_sig_post_reset(struct tg3 *, int);
 static int tg3_halt_cpu(struct tg3 *, u32);
+static int tg3_nvram_lock(struct tg3 *);
+static void tg3_nvram_unlock(struct tg3 *);
 
 static int tg3_set_power_state(struct tg3 *tp, int state)
 {
@@ -1179,6 +1183,21 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
                 tg3_setup_phy(tp, 0);
         }
 
+        if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
+                int i;
+                u32 val;
+
+                for (i = 0; i < 200; i++) {
+                        tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
+                        if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
+                                break;
+                        msleep(1);
+                }
+        }
+        tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
+                                             WOL_DRV_STATE_SHUTDOWN |
+                                             WOL_DRV_WOL | WOL_SET_MAGIC_PKT);
+
         pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps);
 
         if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
@@ -1268,6 +1287,17 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
                 }
         }
 
+        if (!(tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
+            !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
+                /* Turn off the PHY */
+                if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
+                        tg3_writephy(tp, MII_TG3_EXT_CTRL,
+                                     MII_TG3_EXT_CTRL_FORCE_LED_OFF);
+                        tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
+                        tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
+                }
+        }
+
         tg3_frob_aux_power(tp);
 
         /* Workaround for unstable PLL clock */
@@ -1277,8 +1307,12 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
 
                 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
                 tw32(0x7d00, val);
-                if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
+                if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
+                        tg3_nvram_lock(tp);
                         tg3_halt_cpu(tp, RX_CPU_BASE);
+                        tw32_f(NVRAM_SWARB, SWARB_REQ_CLR0);
+                        tg3_nvram_unlock(tp);
+                }
         }
 
         /* Finally, set the new power state. */
@@ -1812,7 +1846,7 @@ static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
                 }
         }
 relink:
-        if (current_link_up == 0) {
+        if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
                 u32 tmp;
 
                 tg3_phy_copper_begin(tp);
@@ -8533,6 +8567,7 @@ static void __devinit tg3_nvram_init(struct tg3 *tp)
             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
                 tp->tg3_flags |= TG3_FLAG_NVRAM;
 
+                tg3_nvram_lock(tp);
                 tg3_enable_nvram_access(tp);
 
                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
@@ -8543,6 +8578,7 @@ static void __devinit tg3_nvram_init(struct tg3 *tp)
                 tg3_get_nvram_size(tp);
 
                 tg3_disable_nvram_access(tp);
+                tg3_nvram_unlock(tp);
 
         } else {
                 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
@@ -8640,10 +8676,10 @@ static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
         if (ret == 0)
                 *val = swab32(tr32(NVRAM_RDDATA));
 
-        tg3_nvram_unlock(tp);
-
         tg3_disable_nvram_access(tp);
 
+        tg3_nvram_unlock(tp);
+
         return ret;
 }
 
@@ -8728,6 +8764,10 @@ static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
 
                 offset = offset + (pagesize - page_off);
 
+                /* Nvram lock released by tg3_nvram_read() above,
+                 * so need to get it again.
+                 */
+                tg3_nvram_lock(tp);
                 tg3_enable_nvram_access(tp);
 
                 /*
@@ -10437,8 +10477,13 @@ static struct pci_dev * __devinit tg3_find_5704_peer(struct tg3 *tp)
                         break;
                 pci_dev_put(peer);
         }
-        if (!peer || peer == tp->pdev)
-                BUG();
+        /* 5704 can be configured in single-port mode, set peer to
+         * tp->pdev in that case.
+         */
+        if (!peer) {
+                peer = tp->pdev;
+                return peer;
+        }
 
         /*
          * We don't need to keep the refcount elevated; there's no way
@@ -10820,12 +10865,14 @@ static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
 
         tg3_full_lock(tp, 0);
         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
+        tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
         tg3_full_unlock(tp);
 
         err = tg3_set_power_state(tp, pci_choose_state(pdev, state));
         if (err) {
                 tg3_full_lock(tp, 0);
 
+                tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
                 tg3_init_hw(tp);
 
                 tp->timer.expires = jiffies + tp->timer_offset;
@@ -10859,6 +10906,7 @@ static int tg3_resume(struct pci_dev *pdev)
 
         tg3_full_lock(tp, 0);
 
+        tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
         tg3_init_hw(tp);
 
         tp->timer.expires = jiffies + tp->timer_offset;
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index fb7e2a5f4a08..94dbcf3537ec 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -1529,6 +1529,12 @@
 #define NIC_SRAM_MAC_ADDR_HIGH_MBOX     0x00000c14
 #define NIC_SRAM_MAC_ADDR_LOW_MBOX      0x00000c18
 
+#define NIC_SRAM_WOL_MBOX               0x00000d30
+#define  WOL_SIGNATURE                   0x474c0000
+#define  WOL_DRV_STATE_SHUTDOWN          0x00000001
+#define  WOL_DRV_WOL                     0x00000002
+#define  WOL_SET_MAGIC_PKT               0x00000004
+
 #define NIC_SRAM_DATA_CFG_2             0x00000d38
 
 #define  SHASTA_EXT_LED_MODE_MASK        0x00018000
@@ -1565,6 +1571,7 @@
 #define MII_TG3_EXT_CTRL                0x10 /* Extended control register */
 #define  MII_TG3_EXT_CTRL_FIFO_ELASTIC  0x0001
 #define  MII_TG3_EXT_CTRL_LNK3_LED_MODE 0x0002
+#define  MII_TG3_EXT_CTRL_FORCE_LED_OFF 0x0008
 #define  MII_TG3_EXT_CTRL_TBI           0x8000
 
 #define MII_TG3_EXT_STAT                0x11 /* Extended status register */
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 716df015f8d0..6707df968934 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -6,6 +6,9 @@ obj-y		+= access.o bus.o probe.o remove.o pci.o quirks.o \
                         pci-driver.o search.o pci-sysfs.o rom.o setup-res.o
 obj-$(CONFIG_PROC_FS) += proc.o
 
+# Build PCI Express stuff if needed
+obj-$(CONFIG_PCIEPORTBUS) += pcie/
+
 obj-$(CONFIG_HOTPLUG) += hotplug.o
 
 # Build the PCI Hotplug drivers if we were asked to
@@ -40,7 +43,3 @@ endif
 ifeq ($(CONFIG_PCI_DEBUG),y)
 EXTRA_CFLAGS += -DDEBUG
 endif
-
-# Build PCI Express stuff if needed
-obj-$(CONFIG_PCIEPORTBUS) += pcie/
-
diff --git a/drivers/sbus/char/jsflash.c b/drivers/sbus/char/jsflash.c
index c12c5046e2fa..14631ac11bc7 100644
--- a/drivers/sbus/char/jsflash.c
+++ b/drivers/sbus/char/jsflash.c
@@ -249,11 +249,11 @@ static loff_t jsf_lseek(struct file * file, loff_t offset, int orig)
 /*
  * OS SIMM Cannot be read in other size but a 32bits word.
  */
-static ssize_t jsf_read(struct file * file, char * buf, 
+static ssize_t jsf_read(struct file * file, char __user * buf, 
     size_t togo, loff_t *ppos)
 {
         unsigned long p = *ppos;
-        char *tmp = buf;
+        char __user *tmp = buf;
 
         union byte4 {
                 char s[4];
@@ -305,7 +305,7 @@ static ssize_t jsf_read(struct file * file, char * buf,
         return tmp-buf;
 }
 
-static ssize_t jsf_write(struct file * file, const char * buf,
+static ssize_t jsf_write(struct file * file, const char __user * buf,
     size_t count, loff_t *ppos)
 {
         return -ENOSPC;
@@ -356,10 +356,10 @@ static int jsf_ioctl_erase(unsigned long arg)
  * Program a block of flash.
  * Very simple because we can do it byte by byte anyway.
  */
-static int jsf_ioctl_program(unsigned long arg)
+static int jsf_ioctl_program(void __user *arg)
 {
         struct jsflash_program_arg abuf;
-        char *uptr;
+        char __user *uptr;
         unsigned long p;
         unsigned int togo;
         union {
@@ -367,13 +367,13 @@ static int jsf_ioctl_program(unsigned long arg)
                 char s[4];
         } b;
 
-        if (copy_from_user(&abuf, (char *)arg, JSFPRGSZ))
+        if (copy_from_user(&abuf, arg, JSFPRGSZ))
                 return -EFAULT; 
         p = abuf.off;
         togo = abuf.size;
         if ((togo & 3) || (p & 3)) return -EINVAL;
 
-        uptr = (char *) (unsigned long) abuf.data;
+        uptr = (char __user *) (unsigned long) abuf.data;
         while (togo != 0) {
                 togo -= 4;
                 if (copy_from_user(&b.s[0], uptr, 4))
@@ -390,19 +390,20 @@ static int jsf_ioctl(struct inode *inode, struct file *f, unsigned int cmd,
     unsigned long arg)
 {
         int error = -ENOTTY;
+        void __user *argp = (void __user *)arg;
 
         if (!capable(CAP_SYS_ADMIN))
                 return -EPERM;
         switch (cmd) {
         case JSFLASH_IDENT:
-                if (copy_to_user((void *)arg, &jsf0.id, JSFIDSZ))
+                if (copy_to_user(argp, &jsf0.id, JSFIDSZ))
                         return -EFAULT;
                 break;
         case JSFLASH_ERASE:
                 error = jsf_ioctl_erase(arg);
                 break;
         case JSFLASH_PROGRAM:
-                error = jsf_ioctl_program(arg);
+                error = jsf_ioctl_program(argp);
                 break;
         }
 
diff --git a/drivers/sbus/char/uctrl.c b/drivers/sbus/char/uctrl.c
index 858cc683f85c..e2d9a7c85427 100644
--- a/drivers/sbus/char/uctrl.c
+++ b/drivers/sbus/char/uctrl.c
@@ -309,7 +309,7 @@ static void uctrl_do_txn(struct uctrl_txn *txn)
         }
 }
 
-void uctrl_get_event_status()
+void uctrl_get_event_status(void)
 {
         struct uctrl_driver *driver = &drv;
         struct uctrl_txn txn;
@@ -318,7 +318,7 @@ void uctrl_get_event_status()
         txn.opcode = READ_EVENT_STATUS;
         txn.inbits = 0;
         txn.outbits = 2;
-        txn.inbuf = 0;
+        txn.inbuf = NULL;
         txn.outbuf = outbits;
 
         uctrl_do_txn(&txn);
@@ -329,7 +329,7 @@ void uctrl_get_event_status()
         dprintk(("ev is %x\n", driver->status.event_status));
 }
 
-void uctrl_get_external_status()
+void uctrl_get_external_status(void)
 {
         struct uctrl_driver *driver = &drv;
         struct uctrl_txn txn;
@@ -339,7 +339,7 @@ void uctrl_get_external_status()
         txn.opcode = READ_EXTERNAL_STATUS;
         txn.inbits = 0;
         txn.outbits = 2;
-        txn.inbuf = 0;
+        txn.inbuf = NULL;
         txn.outbuf = outbits;
 
         uctrl_do_txn(&txn);
@@ -414,7 +414,7 @@ static void __exit ts102_uctrl_cleanup(void)
         if (driver->irq)
                 free_irq(driver->irq, driver);
         if (driver->regs)
-                driver->regs = 0;
+                driver->regs = NULL;
 }
 
 module_init(ts102_uctrl_init);
diff --git a/drivers/sbus/char/vfc.h b/drivers/sbus/char/vfc.h
index a7782e7da42e..8045cd5e7cb3 100644
--- a/drivers/sbus/char/vfc.h
+++ b/drivers/sbus/char/vfc.h
@@ -125,7 +125,7 @@ struct vfc_regs {
 
 
 struct vfc_dev {
-        volatile struct vfc_regs *regs;
+        volatile struct vfc_regs __iomem *regs;
         struct vfc_regs *phys_regs;
         unsigned int control_reg;
         struct semaphore device_lock_sem;
diff --git a/drivers/sbus/char/vfc_dev.c b/drivers/sbus/char/vfc_dev.c
index 7a103698fa3c..dfdd6be551f3 100644
--- a/drivers/sbus/char/vfc_dev.c
+++ b/drivers/sbus/char/vfc_dev.c
@@ -149,7 +149,7 @@ int init_vfc_device(struct sbus_dev *sdev,struct vfc_dev *dev, int instance)
         }
         printk("Initializing vfc%d\n",instance);
         dev->regs = NULL;
-        dev->regs = (volatile struct vfc_regs *)
+        dev->regs = (volatile struct vfc_regs __iomem *)
                 sbus_ioremap(&sdev->resource[0], 0,
                              sizeof(struct vfc_regs), vfcstr);
         dev->which_io = sdev->reg_addrs[0].which_io;
@@ -319,7 +319,7 @@ int vfc_capture_poll(struct vfc_dev *dev)
         int timeout = 1000;
 
         while (!timeout--) {
-                if (dev->regs->control & VFC_STATUS_CAPTURE)
+                if (sbus_readl(&dev->regs->control) & VFC_STATUS_CAPTURE)
                         break;
                 vfc_i2c_delay_no_busy(dev, 100);
         }
@@ -718,7 +718,7 @@ static void deinit_vfc_device(struct vfc_dev *dev)
         if(dev == NULL)
                 return;
         devfs_remove("vfc/%d", dev->instance);
-        sbus_iounmap((unsigned long)dev->regs, sizeof(struct vfc_regs));
+        sbus_iounmap(dev->regs, sizeof(struct vfc_regs));
         kfree(dev);
 }
 
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c
index 418fc7b896ac..6252b9ddc01e 100644
--- a/drivers/scsi/dpt_i2o.c
+++ b/drivers/scsi/dpt_i2o.c
@@ -660,7 +660,12 @@ static int adpt_abort(struct scsi_cmnd * cmd)
         msg[2] = 0;
         msg[3]= 0; 
         msg[4] = (u32)cmd;
-        if( (rcode = adpt_i2o_post_wait(pHba, msg, sizeof(msg), FOREVER)) != 0){
+        if (pHba->host)
+                spin_lock_irq(pHba->host->host_lock);
+        rcode = adpt_i2o_post_wait(pHba, msg, sizeof(msg), FOREVER);
+        if (pHba->host)
+                spin_unlock_irq(pHba->host->host_lock);
+        if (rcode != 0) {
                 if(rcode == -EOPNOTSUPP ){
                         printk(KERN_INFO"%s: Abort cmd not supported\n",pHba->name);
                         return FAILED;
@@ -697,10 +702,15 @@ static int adpt_device_reset(struct scsi_cmnd* cmd)
         msg[2] = 0;
         msg[3] = 0;
 
+        if (pHba->host)
+                spin_lock_irq(pHba->host->host_lock);
         old_state = d->state;
         d->state |= DPTI_DEV_RESET;
-        if( (rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER)) ){
-                d->state = old_state;
+        rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER);
+        d->state = old_state;
+        if (pHba->host)
+                spin_unlock_irq(pHba->host->host_lock);
+        if (rcode != 0) {
                 if(rcode == -EOPNOTSUPP ){
                         printk(KERN_INFO"%s: Device reset not supported\n",pHba->name);
                         return FAILED;
@@ -708,7 +718,6 @@ static int adpt_device_reset(struct scsi_cmnd* cmd)
                 printk(KERN_INFO"%s: Device reset failed\n",pHba->name);
                 return FAILED;
         } else {
-                d->state = old_state;
                 printk(KERN_INFO"%s: Device reset successful\n",pHba->name);
                 return SUCCESS;
         }
@@ -721,6 +730,7 @@ static int adpt_bus_reset(struct scsi_cmnd* cmd)
 {
         adpt_hba* pHba;
         u32 msg[4];
+        u32 rcode;
 
         pHba = (adpt_hba*)cmd->device->host->hostdata[0];
         memset(msg, 0, sizeof(msg));
@@ -729,7 +739,12 @@ static int adpt_bus_reset(struct scsi_cmnd* cmd)
         msg[1] = (I2O_HBA_BUS_RESET<<24|HOST_TID<<12|pHba->channel[cmd->device->channel].tid);
         msg[2] = 0;
         msg[3] = 0;
-        if(adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER) ){
+        if (pHba->host)
+                spin_lock_irq(pHba->host->host_lock);
+        rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER);
+        if (pHba->host)
+                spin_unlock_irq(pHba->host->host_lock);
+        if (rcode != 0) {
                 printk(KERN_WARNING"%s: Bus reset failed.\n",pHba->name);
                 return FAILED;
         } else {
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.h b/drivers/scsi/ibmvscsi/ibmvscsi.h
index 8bec0438dc8a..5b0edd1f1921 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.h
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.h
@@ -100,7 +100,7 @@ int ibmvscsi_init_crq_queue(struct crq_queue *queue,
 void ibmvscsi_release_crq_queue(struct crq_queue *queue,
                                 struct ibmvscsi_host_data *hostdata,
                                 int max_requests);
-void ibmvscsi_reset_crq_queue(struct crq_queue *queue,
+int ibmvscsi_reset_crq_queue(struct crq_queue *queue,
                               struct ibmvscsi_host_data *hostdata);
 
 void ibmvscsi_handle_crq(struct viosrp_crq *crq,
diff --git a/drivers/scsi/ibmvscsi/iseries_vscsi.c b/drivers/scsi/ibmvscsi/iseries_vscsi.c
index 1045872b0175..ce15d9e39621 100644
--- a/drivers/scsi/ibmvscsi/iseries_vscsi.c
+++ b/drivers/scsi/ibmvscsi/iseries_vscsi.c
@@ -117,9 +117,10 @@ void ibmvscsi_release_crq_queue(struct crq_queue *queue,
  *
  * no-op for iSeries
  */
-void ibmvscsi_reset_crq_queue(struct crq_queue *queue,
+int ibmvscsi_reset_crq_queue(struct crq_queue *queue,
                               struct ibmvscsi_host_data *hostdata)
 {
+        return 0;
 }
 
 /**
diff --git a/drivers/scsi/ibmvscsi/rpa_vscsi.c b/drivers/scsi/ibmvscsi/rpa_vscsi.c
index 8bf5652f1060..75db2f5c545e 100644
--- a/drivers/scsi/ibmvscsi/rpa_vscsi.c
+++ b/drivers/scsi/ibmvscsi/rpa_vscsi.c
@@ -230,6 +230,11 @@ int ibmvscsi_init_crq_queue(struct crq_queue *queue,
         rc = plpar_hcall_norets(H_REG_CRQ,
                                 vdev->unit_address,
                                 queue->msg_token, PAGE_SIZE);
+        if (rc == H_Resource) 
+                /* maybe kexecing and resource is busy. try a reset */
+                rc = ibmvscsi_reset_crq_queue(queue,
+                                              hostdata);
+
         if (rc == 2) {
                 /* Adapter is good, but other end is not ready */
                 printk(KERN_WARNING "ibmvscsi: Partner adapter not ready\n");
@@ -281,7 +286,7 @@ int ibmvscsi_init_crq_queue(struct crq_queue *queue,
  * @hostdata:   ibmvscsi_host_data of host
  *
  */
-void ibmvscsi_reset_crq_queue(struct crq_queue *queue,
+int ibmvscsi_reset_crq_queue(struct crq_queue *queue,
                               struct ibmvscsi_host_data *hostdata)
 {
         int rc;
@@ -309,4 +314,5 @@ void ibmvscsi_reset_crq_queue(struct crq_queue *queue,
                 printk(KERN_WARNING
                        "ibmvscsi: couldn't register crq--rc 0x%x\n", rc);
         }
+        return rc;
 }
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 4fea3e4edaa7..3d8009f55342 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -3368,7 +3368,7 @@ iscsi_conn_set_param(iscsi_connh_t connh, enum iscsi_param param,
         switch(param) {
         case ISCSI_PARAM_MAX_RECV_DLENGTH: {
                 char *saveptr = conn->data;
-                int flags = GFP_KERNEL;
+                gfp_t flags = GFP_KERNEL;
 
                 if (conn->data_size >= value) {
                         conn->max_recv_dlength = value;
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index f9792528e33f..578143e93a6f 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -664,7 +664,7 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy)
                                         sg->offset;
                         } else
                                 buf = cmd->request_buffer;
-                        memset(cmd->request_buffer, 0, cmd->cmnd[4]);
+                        memset(buf, 0, cmd->cmnd[4]);
                         if (cmd->use_sg) {
                                 struct scatterlist *sg;
 
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 7096945ea234..7b3efd531297 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2476,17 +2476,9 @@ typedef struct scsi_qla_host {
  */
 #define LOOP_TRANSITION(ha) \
         (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || \
-         test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
-
-#define LOOP_NOT_READY(ha) \
-        ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || \
-          test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) || \
-          test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || \
-          test_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) || \
+         test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || \
          atomic_read(&ha->loop_state) == LOOP_DOWN)
 
-#define LOOP_RDY(ha)    (!LOOP_NOT_READY(ha))
-
 #define TGT_Q(ha, t) (ha->otgt[t])
 
 #define to_qla_host(x)          ((scsi_qla_host_t *) (x)->hostdata)
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 2d720121a0d3..c46d2469b85f 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -1259,7 +1259,7 @@ qla2x00_configure_hba(scsi_qla_host_t *ha)
         rval = qla2x00_get_adapter_id(ha,
             &loop_id, &al_pa, &area, &domain, &topo);
         if (rval != QLA_SUCCESS) {
-                if (LOOP_NOT_READY(ha) || atomic_read(&ha->loop_down_timer) ||
+                if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
                         DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
                             __func__, ha->host_no));
@@ -1796,7 +1796,7 @@ qla2x00_configure_loop(scsi_qla_host_t *ha)
         }
 
         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
-                if (LOOP_NOT_READY(ha)) {
+                if (LOOP_TRANSITION(ha)) {
                         rval = QLA_FUNCTION_FAILED;
                 } else {
                         rval = qla2x00_configure_fabric(ha);
@@ -2369,7 +2369,7 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
                 if (qla2x00_is_reserved_id(ha, loop_id))
                         continue;
 
-                if (atomic_read(&ha->loop_down_timer) || LOOP_NOT_READY(ha))
+                if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
                         break;
 
                 if (swl != NULL) {
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 09afc0f06bd4..5181d966fecb 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -909,6 +909,21 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
                         resid = resid_len;
                         cp->resid = resid;
                         CMD_RESID_LEN(cp) = resid;
+
+                        if (!lscsi_status &&
+                            ((unsigned)(cp->request_bufflen - resid) <
+                             cp->underflow)) {
+                                qla_printk(KERN_INFO, ha,
+                                    "scsi(%ld:%d:%d:%d): Mid-layer underflow "
+                                    "detected (%x of %x bytes)...returning "
+                                    "error status.\n", ha->host_no,
+                                    cp->device->channel, cp->device->id,
+                                    cp->device->lun, resid,
+                                    cp->request_bufflen);
+
+                                cp->result = DID_ERROR << 16;
+                                break;
+                        }
                 }
                 cp->result = DID_OK << 16 | lscsi_status;
 
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 18c5d2523014..c0ae9e965f6f 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -422,10 +422,15 @@ static int scsi_eh_completed_normally(struct scsi_cmnd *scmd)
  **/
 static void scsi_eh_done(struct scsi_cmnd *scmd)
 {
+        struct completion     *eh_action;
+
         SCSI_LOG_ERROR_RECOVERY(3,
                 printk("%s scmd: %p result: %x\n",
                         __FUNCTION__, scmd, scmd->result));
-        complete(scmd->device->host->eh_action);
+
+        eh_action = scmd->device->host->eh_action;
+        if (eh_action)
+                complete(eh_action);
 }
 
 /**
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index ce9d73a292e2..dc249cb970ea 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1085,6 +1085,26 @@ static void scsi_generic_done(struct scsi_cmnd *cmd)
         scsi_io_completion(cmd, cmd->result == 0 ? cmd->bufflen : 0, 0);
 }
 
+void scsi_setup_blk_pc_cmnd(struct scsi_cmnd *cmd, int retries)
+{
+        struct request *req = cmd->request;
+
+        BUG_ON(sizeof(req->cmd) > sizeof(cmd->cmnd));
+        memcpy(cmd->cmnd, req->cmd, sizeof(cmd->cmnd));
+        cmd->cmd_len = req->cmd_len;
+        if (!req->data_len)
+                cmd->sc_data_direction = DMA_NONE;
+        else if (rq_data_dir(req) == WRITE)
+                cmd->sc_data_direction = DMA_TO_DEVICE;
+        else
+                cmd->sc_data_direction = DMA_FROM_DEVICE;
+        
+        cmd->transfersize = req->data_len;
+        cmd->allowed = retries;
+        cmd->timeout_per_command = req->timeout;
+}
+EXPORT_SYMBOL_GPL(scsi_setup_blk_pc_cmnd);
+
 static int scsi_prep_fn(struct request_queue *q, struct request *req)
 {
         struct scsi_device *sdev = q->queuedata;
@@ -1220,18 +1240,7 @@ static int scsi_prep_fn(struct request_queue *q, struct request *req)
                                 goto kill;
                         }
                 } else {
-                        memcpy(cmd->cmnd, req->cmd, sizeof(cmd->cmnd));
-                        cmd->cmd_len = req->cmd_len;
-                        if (rq_data_dir(req) == WRITE)
-                                cmd->sc_data_direction = DMA_TO_DEVICE;
-                        else if (req->data_len)
-                                cmd->sc_data_direction = DMA_FROM_DEVICE;
-                        else
-                                cmd->sc_data_direction = DMA_NONE;
-                        
-                        cmd->transfersize = req->data_len;
-                        cmd->allowed = 3;
-                        cmd->timeout_per_command = req->timeout;
+                        scsi_setup_blk_pc_cmnd(cmd, 3);
                         cmd->done = scsi_generic_done;
                 }
         }
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 49fd18c1a9c6..e08462d50c97 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -249,7 +249,7 @@ static inline struct list_head *skb_to_lh(struct sk_buff *skb)
 }
 
 static void*
-mempool_zone_alloc_skb(unsigned int gfp_mask, void *pool_data)
+mempool_zone_alloc_skb(gfp_t gfp_mask, void *pool_data)
 {
         struct mempool_zone *zone = pool_data;
 
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 8613a1317712..03fcbab30033 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -245,24 +245,10 @@ static int sd_init_command(struct scsi_cmnd * SCpnt)
          * SG_IO from block layer already setup, just copy cdb basically
          */
         if (blk_pc_request(rq)) {
-                if (sizeof(rq->cmd) > sizeof(SCpnt->cmnd))
-                        return 0;
-
-                memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd));
-                SCpnt->cmd_len = rq->cmd_len;
-                if (rq_data_dir(rq) == WRITE)
-                        SCpnt->sc_data_direction = DMA_TO_DEVICE;
-                else if (rq->data_len)
-                        SCpnt->sc_data_direction = DMA_FROM_DEVICE;
-                else
-                        SCpnt->sc_data_direction = DMA_NONE;
-
-                this_count = rq->data_len;
+                scsi_setup_blk_pc_cmnd(SCpnt, SD_PASSTHROUGH_RETRIES);
                 if (rq->timeout)
                         timeout = rq->timeout;
 
-                SCpnt->transfersize = rq->data_len;
-                SCpnt->allowed = SD_PASSTHROUGH_RETRIES;
                 goto queue;
         }
 
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index d68cea753bb2..fb4012b5c188 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -320,25 +320,11 @@ static int sr_init_command(struct scsi_cmnd * SCpnt)
          * these are already setup, just copy cdb basically
          */
         if (SCpnt->request->flags & REQ_BLOCK_PC) {
-                struct request *rq = SCpnt->request;
+                scsi_setup_blk_pc_cmnd(SCpnt, MAX_RETRIES);
 
-                if (sizeof(rq->cmd) > sizeof(SCpnt->cmnd))
-                        return 0;
-
-                memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd));
-                SCpnt->cmd_len = rq->cmd_len;
-                if (!rq->data_len)
-                        SCpnt->sc_data_direction = DMA_NONE;
-                else if (rq_data_dir(rq) == WRITE)
-                        SCpnt->sc_data_direction = DMA_TO_DEVICE;
-                else
-                        SCpnt->sc_data_direction = DMA_FROM_DEVICE;
-
-                this_count = rq->data_len;
-                if (rq->timeout)
-                        timeout = rq->timeout;
+                if (SCpnt->timeout_per_command)
+                        timeout = SCpnt->timeout_per_command;
 
-                SCpnt->transfersize = rq->data_len;
                 goto queue;
         }
 
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 7ac6ea141fff..dd592f6a2529 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -4194,27 +4194,10 @@ static void st_intr(struct scsi_cmnd *SCpnt)
  */
 static int st_init_command(struct scsi_cmnd *SCpnt)
 {
-        struct request *rq;
-
         if (!(SCpnt->request->flags & REQ_BLOCK_PC))
                 return 0;
 
-        rq = SCpnt->request;
-        if (sizeof(rq->cmd) > sizeof(SCpnt->cmnd))
-                return 0;
-
-        memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd));
-        SCpnt->cmd_len = rq->cmd_len;
-
-        if (rq_data_dir(rq) == WRITE)
-                SCpnt->sc_data_direction = DMA_TO_DEVICE;
-        else if (rq->data_len)
-                SCpnt->sc_data_direction = DMA_FROM_DEVICE;
-        else
-                SCpnt->sc_data_direction = DMA_NONE;
-
-        SCpnt->timeout_per_command = rq->timeout;
-        SCpnt->transfersize = rq->data_len;
+        scsi_setup_blk_pc_cmnd(SCpnt, 0);
         SCpnt->done = st_intr;
         return 1;
 }
diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c
index a7420cad4547..1564ca203a3e 100644
--- a/drivers/scsi/sym53c8xx_2/sym_hipd.c
+++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c
@@ -1405,7 +1405,6 @@ static void sym_check_goals(struct sym_hcb *np, struct scsi_target *starget,
                 goal->iu = 0;
                 goal->dt = 0;
                 goal->qas = 0;
-                goal->period = 0;
                 goal->offset = 0;
                 return;
         }
@@ -1465,7 +1464,8 @@ static int sym_prepare_nego(struct sym_hcb *np, struct sym_ccb *cp, u_char *msgp
          * Many devices implement PPR in a buggy way, so only use it if we
          * really want to.
          */
-        if (goal->iu || goal->dt || goal->qas || (goal->period < 0xa)) {
+        if (goal->offset &&
+            (goal->iu || goal->dt || goal->qas || (goal->period < 0xa))) {
                 nego = NS_PPR;
         } else if (spi_width(starget) != goal->width) {
                 nego = NS_WIDE;
diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
index ed550132db0b..79efaf7d86a3 100644
--- a/drivers/usb/host/uhci-hcd.c
+++ b/drivers/usb/host/uhci-hcd.c
@@ -717,6 +717,7 @@ static int uhci_suspend(struct usb_hcd *hcd, pm_message_t message)
          * at the source, so we must turn off PIRQ.
          */
         pci_write_config_word(to_pci_dev(uhci_dev(uhci)), USBLEGSUP, 0);
+        mb();
         clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
         uhci->hc_inaccessible = 1;
         hcd->poll_rh = 0;
@@ -738,6 +739,7 @@ static int uhci_resume(struct usb_hcd *hcd)
          * really don't want to keep a stale HCD_FLAG_HW_ACCESSIBLE=0
          */
         set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
+        mb();
 
         if (uhci->rh_state == UHCI_RH_RESET)    /* Dead */
                 return 0;
diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c
index 45f3130fadea..a3e44ef1df43 100644
--- a/drivers/usb/input/hid-core.c
+++ b/drivers/usb/input/hid-core.c
@@ -893,8 +893,10 @@ static int hid_input_report(int type, struct urb *urb, int interrupt, struct pt_
 
         size = ((report->size - 1) >> 3) + 1;
 
-        if (len < size)
+        if (len < size) {
                 dbg("report %d is too short, (%d < %d)", report->id, len, size);
+                memset(data + len, 0, size - len);
+        }
 
         if (hid->claimed & HID_CLAIMED_HIDDEV)
                 hiddev_report_event(hid, report);
diff --git a/drivers/usb/input/hid-input.c b/drivers/usb/input/hid-input.c
index 9ff25eb520a6..1220a5004a5c 100644
--- a/drivers/usb/input/hid-input.c
+++ b/drivers/usb/input/hid-input.c
@@ -137,6 +137,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
                         switch (usage->hid & 0xffff) {
                                 case 0xba: map_abs(ABS_RUDDER); break;
                                 case 0xbb: map_abs(ABS_THROTTLE); break;
+                                default:   goto ignore;
                         }
                         break;
 
diff --git a/drivers/usb/misc/auerswald.c b/drivers/usb/misc/auerswald.c
index 2a28ceeaa66a..b293db3c28c3 100644
--- a/drivers/usb/misc/auerswald.c
+++ b/drivers/usb/misc/auerswald.c
@@ -1696,7 +1696,7 @@ static ssize_t auerchar_write (struct file *file, const char __user *buf, size_t
         int ret;
         wait_queue_t wait;
 
-        dbg ("auerchar_write %d bytes", len);
+        dbg ("auerchar_write %zd bytes", len);
 
         /* Error checking */
         if (!ccp)
diff --git a/drivers/video/arcfb.c b/drivers/video/arcfb.c
index 080db812ca48..2784f0a9d693 100644
--- a/drivers/video/arcfb.c
+++ b/drivers/video/arcfb.c
@@ -441,7 +441,7 @@ static int arcfb_ioctl(struct inode *inode, struct file *file,
  * the fb. it's inefficient for them to do anything less than 64*8
  * writes since we update the lcd in each write() anyway.
  */
-static ssize_t arcfb_write(struct file *file, const char *buf, size_t count,
+static ssize_t arcfb_write(struct file *file, const char __user *buf, size_t count,
                                 loff_t *ppos)
 {
         /* modded from epson 1355 */
diff --git a/drivers/video/cyber2000fb.c b/drivers/video/cyber2000fb.c
index c589d23e7f91..a9300f930ef2 100644
--- a/drivers/video/cyber2000fb.c
+++ b/drivers/video/cyber2000fb.c
@@ -1512,7 +1512,7 @@ static int cyberpro_pci_enable_mmio(struct cfb_info *cfb)
          * I/O cycles storing into a reserved memory space at
          * physical address 0x3000000
          */
-        unsigned char *iop;
+        unsigned char __iomem *iop;
 
         iop = ioremap(0x3000000, 0x5000);
         if (iop == NULL) {
@@ -1526,7 +1526,7 @@ static int cyberpro_pci_enable_mmio(struct cfb_info *cfb)
         writeb(EXT_BIU_MISC, iop + 0x3ce);
         writeb(EXT_BIU_MISC_LIN_ENABLE, iop + 0x3cf);
 
-        iounmap((void *)iop);
+        iounmap(iop);
 #else
         /*
          * Most other machine types are "normal", so
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 7b4cd250bec8..9fc10b9e6f57 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -1396,7 +1396,8 @@ static struct platform_driver pxafb_driver = {
 int __devinit pxafb_setup(char *options)
 {
 # ifdef CONFIG_FB_PXA_PARAMETERS
-        strlcpy(g_options, options, sizeof(g_options));
+        if (options)
+                strlcpy(g_options, options, sizeof(g_options));
 # endif
         return 0;
 }
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 0a044ad98885..a5e3a0ddbe53 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -32,6 +32,7 @@ void reiserfs_delete_inode(struct inode *inode)
             JOURNAL_PER_BALANCE_CNT * 2 +
             2 * REISERFS_QUOTA_INIT_BLOCKS(inode->i_sb);
         struct reiserfs_transaction_handle th;
+        int err;
 
         truncate_inode_pages(&inode->i_data, 0);
 
@@ -49,15 +50,13 @@ void reiserfs_delete_inode(struct inode *inode)
                 }
                 reiserfs_update_inode_transaction(inode);
 
-                if (reiserfs_delete_object(&th, inode)) {
-                        up(&inode->i_sem);
-                        goto out;
-                }
+                err = reiserfs_delete_object(&th, inode);
 
                 /* Do quota update inside a transaction for journaled quotas. We must do that
                  * after delete_object so that quota updates go into the same transaction as
                  * stat data deletion */
-                DQUOT_FREE_INODE(inode);
+                if (!err) 
+                        DQUOT_FREE_INODE(inode);
 
                 if (journal_end(&th, inode->i_sb, jbegin_count)) {
                         up(&inode->i_sem);
@@ -66,6 +65,12 @@ void reiserfs_delete_inode(struct inode *inode)
 
                 up(&inode->i_sem);
 
+                /* check return value from reiserfs_delete_object after
+                 * ending the transaction
+                 */
+                if (err)
+                    goto out;
+
                 /* all items of file are deleted, so we can remove "save" link */
                 remove_save_link(inode, 0 /* not truncate */ ); /* we can't do anything
                                                                  * about an error here */
@@ -2099,6 +2104,7 @@ int reiserfs_truncate_file(struct inode *p_s_inode, int update_timestamps)
         struct page *page = NULL;
         int error;
         struct buffer_head *bh = NULL;
+        int err2;
 
         reiserfs_write_lock(p_s_inode->i_sb);
 
@@ -2136,14 +2142,18 @@ int reiserfs_truncate_file(struct inode *p_s_inode, int update_timestamps)
                    transaction of truncating gets committed - on reboot the file
                    either appears truncated properly or not truncated at all */
                 add_save_link(&th, p_s_inode, 1);
-        error = reiserfs_do_truncate(&th, p_s_inode, page, update_timestamps);
-        if (error)
-                goto out;
+        err2 = reiserfs_do_truncate(&th, p_s_inode, page, update_timestamps);
         error =
             journal_end(&th, p_s_inode->i_sb, JOURNAL_PER_BALANCE_CNT * 2 + 1);
         if (error)
                 goto out;
 
+        /* check reiserfs_do_truncate after ending the transaction */
+        if (err2) {
+                error = err2;
+                goto out;
+        }
+        
         if (update_timestamps) {
                 error = remove_save_link(p_s_inode, 1 /* truncate */ );
                 if (error)
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index 68b7b78638ff..3f17ef844fb6 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -1039,6 +1039,10 @@ static int flush_commit_list(struct super_block *s,
         }
         atomic_dec(&journal->j_async_throttle);
 
+        /* We're skipping the commit if there's an error */
+        if (retval || reiserfs_is_journal_aborted(journal))
+                barrier = 0;
+
         /* wait on everything written so far before writing the commit
          * if we are in barrier mode, send the commit down now
          */
@@ -1077,10 +1081,16 @@ static int flush_commit_list(struct super_block *s,
         BUG_ON(atomic_read(&(jl->j_commit_left)) != 1);
 
         if (!barrier) {
-                if (buffer_dirty(jl->j_commit_bh))
-                        BUG();
-                mark_buffer_dirty(jl->j_commit_bh);
-                sync_dirty_buffer(jl->j_commit_bh);
+                /* If there was a write error in the journal - we can't commit
+                 * this transaction - it will be invalid and, if successful,
+                 * will just end up propogating the write error out to
+                 * the file system. */
+                if (likely(!retval && !reiserfs_is_journal_aborted (journal))) {
+                        if (buffer_dirty(jl->j_commit_bh))
+                                BUG();
+                        mark_buffer_dirty(jl->j_commit_bh) ;
+                        sync_dirty_buffer(jl->j_commit_bh) ;
+                }
         } else
                 wait_on_buffer(jl->j_commit_bh);
 
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index 1aea42d71a64..5328a2937127 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -78,7 +78,7 @@ STATIC int	xfs_qm_dqhashlock_nowait(xfs_dquot_t *);
 
 STATIC int      xfs_qm_init_quotainos(xfs_mount_t *);
 STATIC int      xfs_qm_init_quotainfo(xfs_mount_t *);
-STATIC int      xfs_qm_shake(int, unsigned int);
+STATIC int      xfs_qm_shake(int, gfp_t);
 
 #ifdef DEBUG
 extern mutex_t  qcheck_lock;
@@ -2197,7 +2197,7 @@ xfs_qm_shake_freelist(
  */
 /* ARGSUSED */
 STATIC int
-xfs_qm_shake(int nr_to_scan, unsigned int gfp_mask)
+xfs_qm_shake(int nr_to_scan, gfp_t gfp_mask)
 {
         int     ndqused, nfree, n;
 
diff --git a/include/asm-arm/elf.h b/include/asm-arm/elf.h
index 7da97a937548..2d44b42d1847 100644
--- a/include/asm-arm/elf.h
+++ b/include/asm-arm/elf.h
@@ -22,6 +22,8 @@ typedef unsigned long elf_freg_t[3];
 #define R_ARM_NONE      0
 #define R_ARM_PC24      1
 #define R_ARM_ABS32     2
+#define R_ARM_CALL      28
+#define R_ARM_JUMP24    29
 
 #define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
diff --git a/include/asm-ia64/delay.h b/include/asm-ia64/delay.h
index 57182d6f2b9a..bba702076391 100644
--- a/include/asm-ia64/delay.h
+++ b/include/asm-ia64/delay.h
@@ -84,14 +84,6 @@ __delay (unsigned long loops)
         ia64_delay_loop (loops - 1);
 }
 
-static __inline__ void
-udelay (unsigned long usecs)
-{
-        unsigned long start = ia64_get_itc();
-        unsigned long cycles = usecs*local_cpu_data->cyc_per_usec;
-
-        while (ia64_get_itc() - start < cycles)
-                cpu_relax();
-}
+extern void udelay (unsigned long usecs);
 
 #endif /* _ASM_IA64_DELAY_H */
diff --git a/include/asm-mips/mach-au1x00/au1xxx_ide.h b/include/asm-mips/mach-au1x00/au1xxx_ide.h
index 33d275c3b84c..e867b4ef96d1 100644
--- a/include/asm-mips/mach-au1x00/au1xxx_ide.h
+++ b/include/asm-mips/mach-au1x00/au1xxx_ide.h
@@ -74,9 +74,6 @@ typedef struct
         u8                      white_list, black_list;
         struct dbdma_cmd        *dma_table_cpu;
         dma_addr_t              dma_table_dma;
-        struct scatterlist      *sg_table;
-        int                     sg_nents;
-        int                     sg_dma_direction;
 #endif
         struct device           *dev;
         int                     irq;
@@ -87,11 +84,6 @@ typedef struct
 } _auide_hwif;
 
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
-struct drive_list_entry {
-        const char * id_model;
-        const char * id_firmware;
-};
-
 /* HD white list */
 static const struct drive_list_entry dma_white_list [] = {
 /*
@@ -167,13 +159,9 @@ int __init auide_probe(void);
  * Multi-Word DMA + DbDMA functions
  */
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
-
-        static int in_drive_list(struct hd_driveid *id,
-                                 const struct drive_list_entry *drive_table);
         static int auide_build_sglist(ide_drive_t *drive,  struct request *rq);
         static int auide_build_dmatable(ide_drive_t *drive);
         static int auide_dma_end(ide_drive_t *drive);
-        static void auide_dma_start(ide_drive_t *drive );
         ide_startstop_t auide_dma_intr (ide_drive_t *drive);
         static void auide_dma_exec_cmd(ide_drive_t *drive, u8 command);
         static int auide_dma_setup(ide_drive_t *drive);
@@ -188,8 +176,6 @@ int __init auide_probe(void);
         static void auide_ddma_rx_callback(int irq, void *param,
                                            struct pt_regs *regs);
         static int auide_dma_off_quietly(ide_drive_t *drive);
-        static int auide_dma_timeout(ide_drive_t *drive);
-
 #endif /* end CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
 
 /*******************************************************************************
@@ -299,3 +285,11 @@ int __init auide_probe(void);
 #define SBC_IDE_MDMA2_TPM     (0x00<<6)
 #define SBC_IDE_MDMA2_TA      (0x12<<0)
 
+#define SBC_IDE_TIMING(mode) \
+         SBC_IDE_##mode##_TWCS | \
+         SBC_IDE_##mode##_TCSH | \
+         SBC_IDE_##mode##_TCSOFF | \
+         SBC_IDE_##mode##_TWP | \
+         SBC_IDE_##mode##_TCSW | \
+         SBC_IDE_##mode##_TPM | \
+         SBC_IDE_##mode##_TA
diff --git a/include/asm-ppc/ppc4xx_dma.h b/include/asm-ppc/ppc4xx_dma.h
index a415001165fa..46a086fff816 100644
--- a/include/asm-ppc/ppc4xx_dma.h
+++ b/include/asm-ppc/ppc4xx_dma.h
@@ -33,9 +33,6 @@
 
 #define MAX_PPC4xx_DMA_CHANNELS         4
 
-/* in arch/ppc/kernel/setup.c -- Cort */
-extern unsigned long DMA_MODE_WRITE, DMA_MODE_READ;
-
 /*
  * Function return status codes
  * These values are used to indicate whether or not the function
diff --git a/include/asm-sparc/memreg.h b/include/asm-sparc/memreg.h
index c0498d3baf93..5fb95c828da6 100644
--- a/include/asm-sparc/memreg.h
+++ b/include/asm-sparc/memreg.h
@@ -36,7 +36,7 @@
 
 /* Memory parity error register with associated bit constants. */
 #ifndef __ASSEMBLY__
-extern __volatile__ unsigned long *sun4c_memerr_reg;
+extern __volatile__ unsigned long __iomem *sun4c_memerr_reg;
 #endif
 
 #define SUN4C_MPE_ERROR 0x80    /* Parity error detected. (ro) */
diff --git a/include/asm-sparc/pcic.h b/include/asm-sparc/pcic.h
index 301ae8022ddd..dedea14d87c8 100644
--- a/include/asm-sparc/pcic.h
+++ b/include/asm-sparc/pcic.h
@@ -16,10 +16,10 @@
 #include <asm/pbm.h>
 
 struct linux_pcic {
-        void * __iomem          pcic_regs;
+        void __iomem            *pcic_regs;
         unsigned long           pcic_io;
-        void * __iomem          pcic_config_space_addr;
-        void * __iomem          pcic_config_space_data;
+        void __iomem            *pcic_config_space_addr;
+        void __iomem            *pcic_config_space_data;
         struct resource         pcic_res_regs;
         struct resource         pcic_res_io;
         struct resource         pcic_res_cfg_addr;
diff --git a/include/linux/cache.h b/include/linux/cache.h
index f6b5a46c5f82..0b7ecf3af78a 100644
--- a/include/linux/cache.h
+++ b/include/linux/cache.h
@@ -13,7 +13,7 @@
 #define SMP_CACHE_BYTES L1_CACHE_BYTES
 #endif
 
-#if defined(CONFIG_X86) || defined(CONFIG_SPARC64)
+#if defined(CONFIG_X86) || defined(CONFIG_SPARC64) || defined(CONFIG_IA64)
 #define __read_mostly __attribute__((__section__(".data.read_mostly")))
 #else
 #define __read_mostly
diff --git a/include/linux/ide.h b/include/linux/ide.h
index a39c3c59789d..7b6a6a58e465 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -23,17 +23,6 @@
 #include <asm/io.h>
 #include <asm/semaphore.h>
 
-/*
- * This is the multiple IDE interface driver, as evolved from hd.c.
- * It supports up to four IDE interfaces, on one or more IRQs (usually 14 & 15).
- * There can be up to two drives per interface, as per the ATA-2 spec.
- *
- * Primary i/f:    ide0: major=3;  (hda)         minor=0; (hdb)         minor=64
- * Secondary i/f:  ide1: major=22; (hdc or hd1a) minor=0; (hdd or hd1b) minor=64
- * Tertiary i/f:   ide2: major=33; (hde)         minor=0; (hdf)         minor=64
- * Quaternary i/f: ide3: major=34; (hdg)         minor=0; (hdh)         minor=64
- */
-
 /******************************************************************************
  * IDE driver configuration options (play with these as desired):
  *
@@ -193,11 +182,6 @@ typedef unsigned char	byte;	/* used everywhere */
 #define WAIT_CMD        (10*HZ) /* 10sec  - maximum wait for an IRQ to happen */
 #define WAIT_MIN_SLEEP  (2*HZ/100)      /* 20msec - minimum sleep time */
 
-#define HOST(hwif,chipset)                                      \
-{                                                               \
-        return ((hwif)->chipset == chipset) ? 1 : 0;            \
-}
-
 /*
  * Check for an interrupt and acknowledge the interrupt status
  */
@@ -391,45 +375,6 @@ typedef union {
 } ata_nsector_t, ata_data_t, atapi_bcount_t, ata_index_t;
 
 /*
- * ATA-IDE Error Register
- *
- * mark         : Bad address mark
- * tzero        : Couldn't find track 0
- * abrt         : Aborted Command
- * mcr          : Media Change Request
- * id           : ID field not found
- * mce          : Media Change Event
- * ecc          : Uncorrectable ECC error
- * bdd          : dual meaing
- */
-typedef union {
-        unsigned all                    :8;
-        struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-                unsigned mark           :1;
-                unsigned tzero          :1;
-                unsigned abrt           :1;
-                unsigned mcr            :1;
-                unsigned id             :1;
-                unsigned mce            :1;
-                unsigned ecc            :1;
-                unsigned bdd            :1;
-#elif defined(__BIG_ENDIAN_BITFIELD)
-                unsigned bdd            :1;
-                unsigned ecc            :1;
-                unsigned mce            :1;
-                unsigned id             :1;
-                unsigned mcr            :1;
-                unsigned abrt           :1;
-                unsigned tzero          :1;
-                unsigned mark           :1;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
-        } b;
-} ata_error_t;
-
-/*
  * ATA-IDE Select Register, aka Device-Head
  *
  * head         : always zeros here
@@ -504,39 +449,6 @@ typedef union {
 } ata_status_t, atapi_status_t;
 
 /*
- * ATA-IDE Control Register
- *
- * bit0         : Should be set to zero
- * nIEN         : device INTRQ to host
- * SRST         : host soft reset bit
- * bit3         : ATA-2 thingy, Should be set to 1
- * reserved456  : Reserved
- * HOB          : 48-bit address ordering, High Ordered Bit
- */
-typedef union {
-        unsigned all                    : 8;
-        struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-                unsigned bit0           : 1;
-                unsigned nIEN           : 1;
-                unsigned SRST           : 1;
-                unsigned bit3           : 1;
-                unsigned reserved456    : 3;
-                unsigned HOB            : 1;
-#elif defined(__BIG_ENDIAN_BITFIELD)
-                unsigned HOB            : 1;
-                unsigned reserved456    : 3;
-                unsigned bit3           : 1;
-                unsigned SRST           : 1;
-                unsigned nIEN           : 1;
-                unsigned bit0           : 1;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
-        } b;
-} ata_control_t;
-
-/*
  * ATAPI Feature Register
  *
  * dma          : Using DMA or PIO
@@ -618,39 +530,6 @@ typedef union {
 } atapi_error_t;
 
 /*
- * ATAPI floppy Drive Select Register
- *
- * sam_lun      : Logical unit number
- * reserved3    : Reserved
- * drv          : The responding drive will be drive 0 (0) or drive 1 (1)
- * one5         : Should be set to 1
- * reserved6    : Reserved
- * one7         : Should be set to 1
- */
-typedef union {
-        unsigned all                    :8;
-        struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-                unsigned sam_lun        :3;
-                unsigned reserved3      :1;
-                unsigned drv            :1;
-                unsigned one5           :1;
-                unsigned reserved6      :1;
-                unsigned one7           :1;
-#elif defined(__BIG_ENDIAN_BITFIELD)
-                unsigned one7           :1;
-                unsigned reserved6      :1;
-                unsigned one5           :1;
-                unsigned drv            :1;
-                unsigned reserved3      :1;
-                unsigned sam_lun        :3;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
-        } b;
-} atapi_select_t;
-
-/*
  * Status returned from various ide_ functions
  */
 typedef enum {
@@ -1101,10 +980,7 @@ typedef struct ide_driver_s {
         int             (*end_request)(ide_drive_t *, int, int);
         ide_startstop_t (*error)(ide_drive_t *, struct request *rq, u8, u8);
         ide_startstop_t (*abort)(ide_drive_t *, struct request *rq);
-        int             (*ioctl)(ide_drive_t *, struct inode *, struct file *, unsigned int, unsigned long);
         ide_proc_entry_t        *proc;
-        void            (*ata_prebuilder)(ide_drive_t *);
-        void            (*atapi_prebuilder)(ide_drive_t *);
         struct device_driver    gen_driver;
 } ide_driver_t;
 
@@ -1298,7 +1174,6 @@ extern int ide_spin_wait_hwgroup(ide_drive_t *);
 extern void ide_timer_expiry(unsigned long);
 extern irqreturn_t ide_intr(int irq, void *dev_id, struct pt_regs *regs);
 extern void do_ide_request(request_queue_t *);
-extern void ide_init_subdrivers(void);
 
 void ide_init_disk(struct gendisk *, ide_drive_t *);
 
@@ -1371,6 +1246,12 @@ void ide_init_sg_cmd(ide_drive_t *, struct request *);
 #define GOOD_DMA_DRIVE          1
 
 #ifdef CONFIG_BLK_DEV_IDEDMA
+struct drive_list_entry {
+        const char *id_model;
+        const char *id_firmware;
+};
+
+int ide_in_drive_list(struct hd_driveid *, const struct drive_list_entry *);
 int __ide_dma_bad_drive(ide_drive_t *);
 int __ide_dma_good_drive(ide_drive_t *);
 int ide_use_dma(ide_drive_t *);
diff --git a/include/linux/mm.h b/include/linux/mm.h
index e5677f456742..a06a84d347fb 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -163,6 +163,7 @@ extern unsigned int kobjsize(const void *objp);
 #define VM_HUGETLB      0x00400000      /* Huge TLB Page VM */
 #define VM_NONLINEAR    0x00800000      /* Is non-linear (remap_file_pages) */
 #define VM_MAPPED_COPY  0x01000000      /* T if mapped copy of data (nommu mmap) */
+#define VM_INSERTPAGE   0x02000000      /* The vma has had "vm_insert_page()" done on it */
 
 #ifndef VM_STACK_DEFAULT_FLAGS          /* arch can override this */
 #define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 1e737e269db9..4db67b3b05cc 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1244,6 +1244,7 @@
 #define PCI_DEVICE_ID_VIA_8378_0        0x3205
 #define PCI_DEVICE_ID_VIA_8783_0        0x3208
 #define PCI_DEVICE_ID_VIA_8237          0x3227
+#define PCI_DEVICE_ID_VIA_8251          0x3287
 #define PCI_DEVICE_ID_VIA_3296_0        0x0296
 #define PCI_DEVICE_ID_VIA_8231          0x8231
 #define PCI_DEVICE_ID_VIA_8231_4        0x8235
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 7529f4388bb4..20da282d4abb 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -151,5 +151,6 @@ extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t);
 extern void scsi_put_command(struct scsi_cmnd *);
 extern void scsi_io_completion(struct scsi_cmnd *, unsigned int, unsigned int);
 extern void scsi_finish_command(struct scsi_cmnd *cmd);
+extern void scsi_setup_blk_pc_cmnd(struct scsi_cmnd *cmd, int retries);
 
 #endif /* _SCSI_SCSI_CMND_H */
diff --git a/init/Kconfig b/init/Kconfig
index be74adb389ea..6c5dbedc6e96 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -256,6 +256,20 @@ config CPUSETS
 
 source "usr/Kconfig"
 
+config CC_OPTIMIZE_FOR_SIZE
+        bool "Optimize for size (Look out for broken compilers!)"
+        default y
+        depends on ARM || H8300 || EXPERIMENTAL
+        depends on !SPARC64
+        help
+          Enabling this option will pass "-Os" instead of "-O2" to gcc
+          resulting in a smaller kernel.
+
+          WARNING: some versions of gcc may generate incorrect code with this
+          option.  If problems are observed, a gcc upgrade may be needed.
+
+          If unsure, say N.
+
 menuconfig EMBEDDED
         bool "Configure standard kernel features (for small systems)"
         help
@@ -338,18 +352,6 @@ config EPOLL
           Disabling this option will cause the kernel to be built without
           support for epoll family of system calls.
 
-config CC_OPTIMIZE_FOR_SIZE
-        bool "Optimize for size"
-        default y if ARM || H8300
-        help
-          Enabling this option will pass "-Os" instead of "-O2" to gcc
-          resulting in a smaller kernel.
-
-          WARNING: some versions of gcc may generate incorrect code with this
-          option.  If problems are observed, a gcc upgrade may be needed.
-
-          If unsure, say N.
-
 config SHMEM
         bool "Use full shmem filesystem" if EMBEDDED
         default y
diff --git a/mm/memory.c b/mm/memory.c
index d22f78c8a381..d8dde07a3656 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -574,7 +574,7 @@ int copy_page_range(struct mm_struct *dst_mm, struct mm_struct *src_mm,
          * readonly mappings. The tradeoff is that copy_page_range is more
          * efficient than faulting.
          */
-        if (!(vma->vm_flags & (VM_HUGETLB|VM_NONLINEAR|VM_PFNMAP))) {
+        if (!(vma->vm_flags & (VM_HUGETLB|VM_NONLINEAR|VM_PFNMAP|VM_INSERTPAGE))) {
                 if (!vma->anon_vma)
                         return 0;
         }
@@ -1228,6 +1228,7 @@ int vm_insert_page(struct vm_area_struct *vma, unsigned long addr, struct page *
                 return -EFAULT;
         if (!page_count(page))
                 return -EINVAL;
+        vma->vm_flags |= VM_INSERTPAGE;
         return insert_page(vma->vm_mm, addr, page, vma->vm_page_prot);
 }
 EXPORT_SYMBOL(vm_insert_page);
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 431a64f021c0..f6d4af8af8a8 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -104,7 +104,7 @@ static void grow_pgdat_span(struct pglist_data *pgdat,
                 pgdat->node_start_pfn = start_pfn;
 
         if (end_pfn > old_pgdat_end_pfn)
-                pgdat->node_spanned_pages = end_pfn - pgdat->node_spanned_pages;
+                pgdat->node_spanned_pages = end_pfn - pgdat->node_start_pfn;
 }
 
 int online_pages(unsigned long pfn, unsigned long nr_pages)
diff --git a/mm/mmap.c b/mm/mmap.c
index 11ca5927d5ff..64ba4dbcb7de 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -611,7 +611,7 @@ again:			remove_next = 1 + (end > next->vm_end);
  * If the vma has a ->close operation then the driver probably needs to release
  * per-vma resources, so we don't attempt to merge those.
  */
-#define VM_SPECIAL (VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_RESERVED)
+#define VM_SPECIAL (VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_RESERVED | VM_PFNMAP)
 
 static inline int is_mergeable_vma(struct vm_area_struct *vma,
                         struct file *file, unsigned long vm_flags)
diff --git a/mm/mremap.c b/mm/mremap.c
index b535438c363c..ddaeee9a0b69 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -323,7 +323,7 @@ unsigned long do_mremap(unsigned long addr,
         /* We can't remap across vm area boundaries */
         if (old_len > vma->vm_end - addr)
                 goto out;
-        if (vma->vm_flags & VM_DONTEXPAND) {
+        if (vma->vm_flags & (VM_DONTEXPAND | VM_PFNMAP)) {
                 if (new_len > old_len)
                         goto out;
         }
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 3b21a13d841c..fe14a8c87fc2 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1896,7 +1896,7 @@ static int __devinit pageset_cpuup_callback(struct notifier_block *nfb,
 static struct notifier_block pageset_notifier =
         { &pageset_cpuup_callback, NULL, 0 };
 
-void __init setup_per_cpu_pageset()
+void __init setup_per_cpu_pageset(void)
 {
         int err;
 
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index b74864889670..f2a8750bbf1d 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -165,6 +165,9 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
 
         skb_pull(skb, VLAN_HLEN); /* take off the VLAN header (4 bytes currently) */
 
+        /* Need to correct hardware checksum */
+        skb_postpull_rcsum(skb, vhdr, VLAN_HLEN);
+
         /* Ok, lets check to make sure the device (dev) we
          * came in on is what this VLAN is attached to.
          */
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index a4c347c3b8e3..46f9d9cf7a5f 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -618,7 +618,7 @@ static int ipgre_rcv(struct sk_buff *skb)
 
                 skb->mac.raw = skb->nh.raw;
                 skb->nh.raw = __pskb_pull(skb, offset);
-                skb_postpull_rcsum(skb, skb->mac.raw, offset);
+                skb_postpull_rcsum(skb, skb->h.raw, offset);
                 memset(&(IPCB(skb)->opt), 0, sizeof(struct ip_options));
                 skb->pkt_type = PACKET_HOST;
 #ifdef CONFIG_NET_IPGRE_BROADCAST
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 76ff9f4fe89d..73a23b4130a5 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -379,8 +379,8 @@ static struct inet6_dev * ipv6_add_dev(struct net_device *dev)
                     dev->type == ARPHRD_NONE ||
                     dev->type == ARPHRD_SIT) {
                         printk(KERN_INFO
-                                "Disabled Privacy Extensions on device %p(%s)\n",
-                                dev, dev->name);
+                               "%s: Disabled Privacy Extensions\n",
+                               dev->name);
                         ndev->cnf.use_tempaddr = -1;
                 } else {
                         in6_dev_hold(ndev);
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 8aebe8f6d271..2ce1cb2aa2ed 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -34,7 +34,7 @@
 #include <net/sch_generic.h>
 #include <net/act_api.h>
 
-#if 1 /* control */
+#if 0 /* control */
 #define DPRINTK(format, args...) printk(KERN_DEBUG format, ##args)
 #else
 #define DPRINTK(format, args...)
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index d890dfa8818f..1f7f244806b7 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -3425,7 +3425,7 @@ static int sctp_copy_laddrs_to_user_old(struct sock *sk, __u16 port, int max_add
 }
 
 static int sctp_copy_laddrs_to_user(struct sock *sk, __u16 port,
-                                    void * __user *to, size_t space_left)
+                                    void __user **to, size_t space_left)
 {
         struct list_head *pos;
         struct sctp_sockaddr_entry *addr;
diff --git a/sound/oss/au1550_ac97.c b/sound/oss/au1550_ac97.c
index 6b46a8a4b1cc..b963c550dae6 100644
--- a/sound/oss/au1550_ac97.c
+++ b/sound/oss/au1550_ac97.c
@@ -578,17 +578,15 @@ set_recv_slots(int num_channels)
         } while ((stat & PSC_AC97STAT_DR) == 0);
 }
 
+/* Hold spinlock for both start_dac() and start_adc() calls */
 static void
 start_dac(struct au1550_state *s)
 {
         struct dmabuf  *db = &s->dma_dac;
-        unsigned long   flags;
 
         if (!db->stopped)
                 return;
 
-        spin_lock_irqsave(&s->lock, flags);
-
         set_xmit_slots(db->num_channels);
         au_writel(PSC_AC97PCR_TC, PSC_AC97PCR);
         au_sync();
@@ -598,8 +596,6 @@ start_dac(struct au1550_state *s)
         au1xxx_dbdma_start(db->dmanr);
 
         db->stopped = 0;
-
-        spin_unlock_irqrestore(&s->lock, flags);
 }
 
 static void
@@ -718,7 +714,6 @@ prog_dmabuf_dac(struct au1550_state *s)
 }
 
 
-/* hold spinlock for the following */
 static void
 dac_dma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
@@ -726,6 +721,8 @@ dac_dma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
         struct dmabuf  *db = &s->dma_dac;
         u32     ac97c_stat;
 
+        spin_lock(&s->lock);
+
         ac97c_stat = au_readl(PSC_AC97STAT);
         if (ac97c_stat & (AC97C_XU | AC97C_XO | AC97C_TE))
                 pr_debug("AC97C status = 0x%08x\n", ac97c_stat);
@@ -747,6 +744,8 @@ dac_dma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
         /* wake up anybody listening */
         if (waitqueue_active(&db->wait))
                 wake_up(&db->wait);
+
+        spin_unlock(&s->lock);
 }
 
 
@@ -758,6 +757,8 @@ adc_dma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
         u32     obytes;
         char    *obuf;
 
+        spin_lock(&s->lock);
+
         /* Pull the buffer from the dma queue.
         */
         au1xxx_dbdma_get_dest(dp->dmanr, (void *)(&obuf), &obytes);
@@ -765,6 +766,7 @@ adc_dma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
         if ((dp->count + obytes) > dp->dmasize) {
                 /* Overrun. Stop ADC and log the error
                 */
+                spin_unlock(&s->lock);
                 stop_adc(s);
                 dp->error++;
                 err("adc overrun");
@@ -787,6 +789,7 @@ adc_dma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
         if (waitqueue_active(&dp->wait))
                 wake_up(&dp->wait);
 
+        spin_unlock(&s->lock);
 }
 
 static loff_t
@@ -1048,9 +1051,9 @@ au1550_read(struct file *file, char *buffer, size_t count, loff_t *ppos)
                 /* wait for samples in ADC dma buffer
                 */
                 do {
+                        spin_lock_irqsave(&s->lock, flags);
                         if (db->stopped)
                                 start_adc(s);
-                        spin_lock_irqsave(&s->lock, flags);
                         avail = db->count;
                         if (avail <= 0)
                                 __set_current_state(TASK_INTERRUPTIBLE);
@@ -1570,15 +1573,19 @@ au1550_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
                 if (get_user(val, (int *) arg))
                         return -EFAULT;
                 if (file->f_mode & FMODE_READ) {
-                        if (val & PCM_ENABLE_INPUT)
+                        if (val & PCM_ENABLE_INPUT) {
+                                spin_lock_irqsave(&s->lock, flags);
                                 start_adc(s);
-                        else
+                                spin_unlock_irqrestore(&s->lock, flags);
+                        } else
                                 stop_adc(s);
                 }
                 if (file->f_mode & FMODE_WRITE) {
-                        if (val & PCM_ENABLE_OUTPUT)
+                        if (val & PCM_ENABLE_OUTPUT) {
+                                spin_lock_irqsave(&s->lock, flags);
                                 start_dac(s);
-                        else
+                                spin_unlock_irqrestore(&s->lock, flags);
+                        } else
                                 stop_dac(s);
                 }
                 return 0;