Merge branch 'x86/cleanups' into perf/uprobes

Merge reason: We want to merge a dependent patch.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

297 files changed, 3271 insertions, 4031 deletions

diff --git a/arch/alpha/include/asm/posix_types.h b/arch/alpha/include/asm/posix_types.h
index db167413300..24779fc9599 100644
--- a/arch/alpha/include/asm/posix_types.h
+++ b/arch/alpha/include/asm/posix_types.h
@@ -8,116 +8,13 @@
  */
 
 typedef unsigned int    __kernel_ino_t;
-typedef unsigned int    __kernel_mode_t;
-typedef unsigned int    __kernel_nlink_t;
-typedef long            __kernel_off_t;
-typedef long long       __kernel_loff_t;
-typedef int             __kernel_pid_t;
-typedef int             __kernel_ipc_pid_t;
-typedef unsigned int    __kernel_uid_t;
-typedef unsigned int    __kernel_gid_t;
-typedef unsigned long   __kernel_size_t;
-typedef long            __kernel_ssize_t;
-typedef long            __kernel_ptrdiff_t;
-typedef long            __kernel_time_t;
-typedef long            __kernel_suseconds_t;
-typedef long            __kernel_clock_t;
-typedef int             __kernel_daddr_t;
-typedef char *          __kernel_caddr_t;
-typedef unsigned long   __kernel_sigset_t;      /* at least 32 bits */
-typedef unsigned short  __kernel_uid16_t;
-typedef unsigned short  __kernel_gid16_t;
-typedef int             __kernel_clockid_t;
-typedef int             __kernel_timer_t;
-
-typedef struct {
-        int     val[2];
-} __kernel_fsid_t;
-
-typedef __kernel_uid_t __kernel_old_uid_t;
-typedef __kernel_gid_t __kernel_old_gid_t;
-typedef __kernel_uid_t __kernel_uid32_t;
-typedef __kernel_gid_t __kernel_gid32_t;
-
-typedef unsigned int    __kernel_old_dev_t;
-
-#ifdef __KERNEL__
-
-#ifndef __GNUC__
-
-#define __FD_SET(d, set)        ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
-#define __FD_CLR(d, set)        ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
-#define __FD_ISSET(d, set)      (((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
-#define __FD_ZERO(set)  \
-  ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set)))
-
-#else /* __GNUC__ */
-
-/* With GNU C, use inline functions instead so args are evaluated only once: */
+#define __kernel_ino_t __kernel_ino_t
 
-#undef __FD_SET
-static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
-{
-        unsigned long _tmp = fd / __NFDBITS;
-        unsigned long _rem = fd % __NFDBITS;
-        fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
-}
-
-#undef __FD_CLR
-static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
-{
-        unsigned long _tmp = fd / __NFDBITS;
-        unsigned long _rem = fd % __NFDBITS;
-        fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
-}
-
-#undef __FD_ISSET
-static __inline__ int __FD_ISSET(unsigned long fd, const __kernel_fd_set *p)
-{ 
-        unsigned long _tmp = fd / __NFDBITS;
-        unsigned long _rem = fd % __NFDBITS;
-        return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
-}
-
-/*
- * This will unroll the loop for the normal constant case (8 ints,
- * for a 256-bit fd_set)
- */
-#undef __FD_ZERO
-static __inline__ void __FD_ZERO(__kernel_fd_set *p)
-{
-        unsigned long *tmp = p->fds_bits;
-        int i;
-
-        if (__builtin_constant_p(__FDSET_LONGS)) {
-                switch (__FDSET_LONGS) {
-                      case 16:
-                        tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-                        tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
-                        tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
-                        tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
-                        return;
-
-                      case 8:
-                        tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-                        tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
-                        return;
-
-                      case 4:
-                        tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-                        return;
-                }
-        }
-        i = __FDSET_LONGS;
-        while (i) {
-                i--;
-                *tmp = 0;
-                tmp++;
-        }
-}
+typedef unsigned int    __kernel_nlink_t;
+#define __kernel_nlink_t __kernel_nlink_t
 
-#endif /* __GNUC__ */
+typedef unsigned long   __kernel_sigset_t;      /* at least 32 bits */
 
-#endif /* __KERNEL__ */
+#include <asm-generic/posix_types.h>
 
 #endif /* _ALPHA_POSIX_TYPES_H */
diff --git a/arch/arm/boot/dts/exynos4210.dtsi b/arch/arm/boot/dts/exynos4210.dtsi
index 63d7578856c..a1dd2ee8375 100644
--- a/arch/arm/boot/dts/exynos4210.dtsi
+++ b/arch/arm/boot/dts/exynos4210.dtsi
@@ -29,6 +29,7 @@
                 compatible = "arm,cortex-a9-gic";
                 #interrupt-cells = <3>;
                 interrupt-controller;
+                cpu-offset = <0x8000>;
                 reg = <0x10490000 0x1000>, <0x10480000 0x100>;
         };
 
diff --git a/arch/arm/boot/dts/tegra-paz00.dts b/arch/arm/boot/dts/tegra-paz00.dts
index 1a1d7023b69..825d2957da0 100644
--- a/arch/arm/boot/dts/tegra-paz00.dts
+++ b/arch/arm/boot/dts/tegra-paz00.dts
@@ -46,11 +46,11 @@
         };
 
         serial@70006200 {
-                status = "disable";
+                clock-frequency = <216000000>;
         };
 
         serial@70006300 {
-                clock-frequency = <216000000>;
+                status = "disable";
         };
 
         serial@70006400 {
@@ -60,7 +60,7 @@
         sdhci@c8000000 {
                 cd-gpios = <&gpio 173 0>; /* gpio PV5 */
                 wp-gpios = <&gpio 57 0>;  /* gpio PH1 */
-                power-gpios = <&gpio 155 0>; /* gpio PT3 */
+                power-gpios = <&gpio 169 0>; /* gpio PV1 */
         };
 
         sdhci@c8000200 {
diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c
index d1bcd7b13eb..fb1f1cfce60 100644
--- a/arch/arm/common/it8152.c
+++ b/arch/arm/common/it8152.c
@@ -320,13 +320,6 @@ err0:
         return -EBUSY;
 }
 
-/*
- * If we set up a device for bus mastering, we need to check the latency
- * timer as we don't have even crappy BIOSes to set it properly.
- * The implementation is from arch/i386/pci/i386.c
- */
-unsigned int pcibios_max_latency = 255;
-
 /* ITE bridge requires setting latency timer to avoid early bus access
    termination by PCI bus master devices
 */
diff --git a/arch/arm/common/pl330.c b/arch/arm/common/pl330.c
index d8e44a43047..ff3ad224482 100644
--- a/arch/arm/common/pl330.c
+++ b/arch/arm/common/pl330.c
@@ -1502,12 +1502,13 @@ int pl330_chan_ctrl(void *ch_id, enum pl330_chan_op op)
         struct pl330_thread *thrd = ch_id;
         struct pl330_dmac *pl330;
         unsigned long flags;
-        int ret = 0, active = thrd->req_running;
+        int ret = 0, active;
 
         if (!thrd || thrd->free || thrd->dmac->state == DYING)
                 return -EINVAL;
 
         pl330 = thrd->dmac;
+        active = thrd->req_running;
 
         spin_lock_irqsave(&pl330->lock, flags);
 
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 62f8095d46d..23371b17b23 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -137,6 +137,11 @@
         disable_irq
         .endm
 
+        .macro  save_and_disable_irqs_notrace, oldcpsr
+        mrs     \oldcpsr, cpsr
+        disable_irq_notrace
+        .endm
+
 /*
  * Restore interrupt state previously stored in a register.  We don't
  * guarantee that this will preserve the flags.
diff --git a/arch/arm/include/asm/hardware/pl330.h b/arch/arm/include/asm/hardware/pl330.h
index 575fa8186ca..c1821385abf 100644
--- a/arch/arm/include/asm/hardware/pl330.h
+++ b/arch/arm/include/asm/hardware/pl330.h
@@ -41,7 +41,7 @@ enum pl330_dstcachectrl {
         DCCTRL1, /* Bufferable only */
         DCCTRL2, /* Cacheable, but do not allocate */
         DCCTRL3, /* Cacheable and bufferable, but do not allocate */
-        DINVALID1 = 8,
+        DINVALID1,              /* AWCACHE = 0x1000 */
         DINVALID2,
         DCCTRL6, /* Cacheable write-through, allocate on writes only */
         DCCTRL7, /* Cacheable write-back, allocate on writes only */
diff --git a/arch/arm/include/asm/posix_types.h b/arch/arm/include/asm/posix_types.h
index 2446d23bfdb..efdf99045d8 100644
--- a/arch/arm/include/asm/posix_types.h
+++ b/arch/arm/include/asm/posix_types.h
@@ -19,59 +19,22 @@
  * assume GCC is being used.
  */
 
-typedef unsigned long           __kernel_ino_t;
 typedef unsigned short          __kernel_mode_t;
+#define __kernel_mode_t __kernel_mode_t
+
 typedef unsigned short          __kernel_nlink_t;
-typedef long                    __kernel_off_t;
-typedef int                     __kernel_pid_t;
+#define __kernel_nlink_t __kernel_nlink_t
+
 typedef unsigned short          __kernel_ipc_pid_t;
+#define __kernel_ipc_pid_t __kernel_ipc_pid_t
+
 typedef unsigned short          __kernel_uid_t;
 typedef unsigned short          __kernel_gid_t;
-typedef unsigned int            __kernel_size_t;
-typedef int                     __kernel_ssize_t;
-typedef int                     __kernel_ptrdiff_t;
-typedef long                    __kernel_time_t;
-typedef long                    __kernel_suseconds_t;
-typedef long                    __kernel_clock_t;
-typedef int                     __kernel_timer_t;
-typedef int                     __kernel_clockid_t;
-typedef int                     __kernel_daddr_t;
-typedef char *                  __kernel_caddr_t;
-typedef unsigned short          __kernel_uid16_t;
-typedef unsigned short          __kernel_gid16_t;
-typedef unsigned int            __kernel_uid32_t;
-typedef unsigned int            __kernel_gid32_t;
+#define __kernel_uid_t __kernel_uid_t
 
-typedef unsigned short          __kernel_old_uid_t;
-typedef unsigned short          __kernel_old_gid_t;
 typedef unsigned short          __kernel_old_dev_t;
+#define __kernel_old_dev_t __kernel_old_dev_t
 
-#ifdef __GNUC__
-typedef long long               __kernel_loff_t;
-#endif
-
-typedef struct {
-        int     val[2];
-} __kernel_fsid_t;
-
-#if defined(__KERNEL__)
-
-#undef  __FD_SET
-#define __FD_SET(fd, fdsetp) \
-                (((fd_set *)(fdsetp))->fds_bits[(fd) >> 5] |= (1<<((fd) & 31)))
-
-#undef  __FD_CLR
-#define __FD_CLR(fd, fdsetp) \
-                (((fd_set *)(fdsetp))->fds_bits[(fd) >> 5] &= ~(1<<((fd) & 31)))
-
-#undef  __FD_ISSET
-#define __FD_ISSET(fd, fdsetp) \
-                ((((fd_set *)(fdsetp))->fds_bits[(fd) >> 5] & (1<<((fd) & 31))) != 0)
-
-#undef  __FD_ZERO
-#define __FD_ZERO(fdsetp) \
-                (memset (fdsetp, 0, sizeof (*(fd_set *)(fdsetp))))
-
-#endif
+#include <asm-generic/posix_types.h>
 
 #endif
diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h
index ce280b8d613..cb8d638924f 100644
--- a/arch/arm/include/asm/processor.h
+++ b/arch/arm/include/asm/processor.h
@@ -22,6 +22,7 @@
 #include <asm/hw_breakpoint.h>
 #include <asm/ptrace.h>
 #include <asm/types.h>
+#include <asm/system.h>
 
 #ifdef __KERNEL__
 #define STACK_TOP       ((current->personality & ADDR_LIMIT_32BIT) ? \
diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h
index 5d3ed7e3856..314d4664eae 100644
--- a/arch/arm/include/asm/tlb.h
+++ b/arch/arm/include/asm/tlb.h
@@ -198,7 +198,15 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte,
         unsigned long addr)
 {
         pgtable_page_dtor(pte);
-        tlb_add_flush(tlb, addr);
+
+        /*
+         * With the classic ARM MMU, a pte page has two corresponding pmd
+         * entries, each covering 1MB.
+         */
+        addr &= PMD_MASK;
+        tlb_add_flush(tlb, addr + SZ_1M - PAGE_SIZE);
+        tlb_add_flush(tlb, addr + SZ_1M);
+
         tlb_remove_page(tlb, pte);
 }
 
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 3a456c6c700..be16a48007b 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -790,7 +790,7 @@ __kuser_cmpxchg64:				@ 0xffff0f60
         smp_dmb arm
         rsbs    r0, r3, #0                      @ set returned val and C flag
         ldmfd   sp!, {r4, r5, r6, r7}
-        bx      lr
+        usr_ret lr
 
 #elif !defined(CONFIG_SMP)
 
diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c
index 460bbbb6b88..6933244c68f 100644
--- a/arch/arm/kernel/perf_event_v7.c
+++ b/arch/arm/kernel/perf_event_v7.c
@@ -469,6 +469,20 @@ static const unsigned armv7_a5_perf_cache_map[PERF_COUNT_HW_CACHE_MAX]
                         [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
                 },
         },
+        [C(NODE)] = {
+                [C(OP_READ)] = {
+                        [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                        [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+                },
+                [C(OP_WRITE)] = {
+                        [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                        [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+                },
+                [C(OP_PREFETCH)] = {
+                        [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                        [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+                },
+        },
 };
 
 /*
@@ -579,6 +593,20 @@ static const unsigned armv7_a15_perf_cache_map[PERF_COUNT_HW_CACHE_MAX]
                         [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
                 },
         },
+        [C(NODE)] = {
+                [C(OP_READ)] = {
+                        [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                        [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+                },
+                [C(OP_WRITE)] = {
+                        [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                        [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+                },
+                [C(OP_PREFETCH)] = {
+                        [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                        [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+                },
+        },
 };
 
 /*
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index e1d5e1929fb..ede6443c34d 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -23,6 +23,7 @@
 #include <linux/perf_event.h>
 #include <linux/hw_breakpoint.h>
 #include <linux/regset.h>
+#include <linux/audit.h>
 
 #include <asm/pgtable.h>
 #include <asm/system.h>
@@ -699,10 +700,13 @@ static int vfp_set(struct task_struct *target,
 {
         int ret;
         struct thread_info *thread = task_thread_info(target);
-        struct vfp_hard_struct new_vfp = thread->vfpstate.hard;
+        struct vfp_hard_struct new_vfp;
         const size_t user_fpregs_offset = offsetof(struct user_vfp, fpregs);
         const size_t user_fpscr_offset = offsetof(struct user_vfp, fpscr);
 
+        vfp_sync_hwstate(thread);
+        new_vfp = thread->vfpstate.hard;
+
         ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
                                   &new_vfp.fpregs,
                                   user_fpregs_offset,
@@ -723,9 +727,8 @@ static int vfp_set(struct task_struct *target,
         if (ret)
                 return ret;
 
-        vfp_sync_hwstate(thread);
-        thread->vfpstate.hard = new_vfp;
         vfp_flush_hwstate(thread);
+        thread->vfpstate.hard = new_vfp;
 
         return 0;
 }
@@ -902,6 +905,12 @@ long arch_ptrace(struct task_struct *child, long request,
         return ret;
 }
 
+#ifdef __ARMEB__
+#define AUDIT_ARCH_NR AUDIT_ARCH_ARMEB
+#else
+#define AUDIT_ARCH_NR AUDIT_ARCH_ARM
+#endif
+
 asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno)
 {
         unsigned long ip;
@@ -916,7 +925,7 @@ asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno)
         if (!ip)
                 audit_syscall_exit(regs);
         else
-                audit_syscall_entry(AUDIT_ARCH_ARMEB, scno, regs->ARM_r0,
+                audit_syscall_entry(AUDIT_ARCH_NR, scno, regs->ARM_r0,
                                     regs->ARM_r1, regs->ARM_r2, regs->ARM_r3);
 
         if (!test_thread_flag(TIF_SYSCALL_TRACE))
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index 0340224cf73..9e617bd4a14 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -227,6 +227,8 @@ static int restore_vfp_context(struct vfp_sigframe __user *frame)
         if (magic != VFP_MAGIC || size != VFP_STORAGE_SIZE)
                 return -EINVAL;
 
+        vfp_flush_hwstate(thread);
+
         /*
          * Copy the floating point registers. There can be unused
          * registers see asm/hwcap.h for details.
@@ -251,9 +253,6 @@ static int restore_vfp_context(struct vfp_sigframe __user *frame)
         __get_user_error(h->fpinst, &frame->ufp_exc.fpinst, err);
         __get_user_error(h->fpinst2, &frame->ufp_exc.fpinst2, err);
 
-        if (!err)
-                vfp_flush_hwstate(thread);
-
         return err ? -EFAULT : 0;
 }
 
diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c
index 4285daa077b..7a79b24597b 100644
--- a/arch/arm/kernel/smp_twd.c
+++ b/arch/arm/kernel/smp_twd.c
@@ -129,7 +129,7 @@ static struct notifier_block twd_cpufreq_nb = {
 
 static int twd_cpufreq_init(void)
 {
-        if (!IS_ERR(twd_clk))
+        if (twd_evt && *__this_cpu_ptr(twd_evt) && !IS_ERR(twd_clk))
                 return cpufreq_register_notifier(&twd_cpufreq_nb,
                         CPUFREQ_TRANSITION_NOTIFIER);
 
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 99a57270250..f84dfe67724 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -266,6 +266,7 @@ void die(const char *str, struct pt_regs *regs, int err)
 {
         struct thread_info *thread = current_thread_info();
         int ret;
+        enum bug_trap_type bug_type = BUG_TRAP_TYPE_NONE;
 
         oops_enter();
 
@@ -273,7 +274,9 @@ void die(const char *str, struct pt_regs *regs, int err)
         console_verbose();
         bust_spinlocks(1);
         if (!user_mode(regs))
-                report_bug(regs->ARM_pc, regs);
+                bug_type = report_bug(regs->ARM_pc, regs);
+        if (bug_type != BUG_TRAP_TYPE_NONE)
+                str = "Oops - BUG";
         ret = __die(str, err, thread, regs);
 
         if (regs && kexec_should_crash(thread->task))
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index 1e19691e040..43a31fb0631 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -10,6 +10,7 @@
 #include <asm/page.h>
         
 #define PROC_INFO                                                       \
+        . = ALIGN(4);                                                   \
         VMLINUX_SYMBOL(__proc_info_begin) = .;                          \
         *(.proc.info.init)                                              \
         VMLINUX_SYMBOL(__proc_info_end) = .;
diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c
index 18bacec2b09..97676bdae99 100644
--- a/arch/arm/mach-at91/at91rm9200_devices.c
+++ b/arch/arm/mach-at91/at91rm9200_devices.c
@@ -83,7 +83,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
  *  USB Device (Gadget)
  * -------------------------------------------------------------------- */
 
-#ifdef CONFIG_USB_AT91
+#if defined(CONFIG_USB_AT91) || defined(CONFIG_USB_AT91_MODULE)
 static struct at91_udc_data udc_data;
 
 static struct resource udc_resources[] = {
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index 642ccb6d26b..5a24f0b4554 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -84,7 +84,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
  *  USB Device (Gadget)
  * -------------------------------------------------------------------- */
 
-#ifdef CONFIG_USB_AT91
+#if defined(CONFIG_USB_AT91) || defined(CONFIG_USB_AT91_MODULE)
 static struct at91_udc_data udc_data;
 
 static struct resource udc_resources[] = {
@@ -1215,8 +1215,7 @@ void __init at91_add_device_serial(void) {}
  *  CF/IDE
  * -------------------------------------------------------------------- */
 
-#if defined(CONFIG_BLK_DEV_IDE_AT91) || defined(CONFIG_BLK_DEV_IDE_AT91_MODULE) || \
-        defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE) || \
+#if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE) || \
         defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE)
 
 static struct at91_cf_data cf0_data;
@@ -1313,10 +1312,8 @@ void __init at91_add_device_cf(struct at91_cf_data *data)
         if (data->flags & AT91_CF_TRUE_IDE)
 #if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE)
                 pdev->name = "pata_at91";
-#elif defined(CONFIG_BLK_DEV_IDE_AT91) || defined(CONFIG_BLK_DEV_IDE_AT91_MODULE)
-                pdev->name = "at91_ide";
 #else
-#warning "board requires AT91_CF_TRUE_IDE: enable either at91_ide or pata_at91"
+#warning "board requires AT91_CF_TRUE_IDE: enable pata_at91"
 #endif
         else
                 pdev->name = "at91_cf";
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index fc59cbdb0e3..1e28bed8f42 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -87,7 +87,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
  *  USB Device (Gadget)
  * -------------------------------------------------------------------- */
 
-#ifdef CONFIG_USB_AT91
+#if defined(CONFIG_USB_AT91) || defined(CONFIG_USB_AT91_MODULE)
 static struct at91_udc_data udc_data;
 
 static struct resource udc_resources[] = {
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index 7b46b278702..366a7765635 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -92,7 +92,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
  *  USB Device (Gadget)
  * -------------------------------------------------------------------- */
 
-#ifdef CONFIG_USB_AT91
+#if defined(CONFIG_USB_AT91) || defined(CONFIG_USB_AT91_MODULE)
 static struct at91_udc_data udc_data;
 
 static struct resource udc_resources[] = {
@@ -355,8 +355,8 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
  *  Compact Flash (PCMCIA or IDE)
  * -------------------------------------------------------------------- */
 
-#if defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE) || \
-    defined(CONFIG_BLK_DEV_IDE_AT91) || defined(CONFIG_BLK_DEV_IDE_AT91_MODULE)
+#if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE) || \
+        defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE)
 
 static struct at91_cf_data cf0_data;
 
@@ -450,7 +450,7 @@ void __init at91_add_device_cf(struct at91_cf_data *data)
         at91_set_A_periph(AT91_PIN_PD9, 0);  /* CFCE2 */
         at91_set_A_periph(AT91_PIN_PD14, 0); /* CFNRW */
 
-        pdev->name = (data->flags & AT91_CF_TRUE_IDE) ? "at91_ide" : "at91_cf";
+        pdev->name = (data->flags & AT91_CF_TRUE_IDE) ? "pata_at91" : "at91_cf";
         platform_device_register(pdev);
 }
 #else
diff --git a/arch/arm/mach-at91/include/mach/at91sam9_smc.h b/arch/arm/mach-at91/include/mach/at91sam9_smc.h
index eb18a70fa64..175e1fdd9fe 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9_smc.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9_smc.h
@@ -18,6 +18,35 @@
 
 #include <mach/cpu.h>
 
+#ifndef __ASSEMBLY__
+struct sam9_smc_config {
+        /* Setup register */
+        u8 ncs_read_setup;
+        u8 nrd_setup;
+        u8 ncs_write_setup;
+        u8 nwe_setup;
+
+        /* Pulse register */
+        u8 ncs_read_pulse;
+        u8 nrd_pulse;
+        u8 ncs_write_pulse;
+        u8 nwe_pulse;
+
+        /* Cycle register */
+        u16 read_cycle;
+        u16 write_cycle;
+
+        /* Mode register */
+        u32 mode;
+        u8 tdf_cycles:4;
+};
+
+extern void sam9_smc_configure(int id, int cs, struct sam9_smc_config *config);
+extern void sam9_smc_read(int id, int cs, struct sam9_smc_config *config);
+extern void sam9_smc_read_mode(int id, int cs, struct sam9_smc_config *config);
+extern void sam9_smc_write_mode(int id, int cs, struct sam9_smc_config *config);
+#endif
+
 #define AT91_SMC_SETUP          0x00                            /* Setup Register for CS n */
 #define         AT91_SMC_NWESETUP       (0x3f << 0)                     /* NWE Setup Length */
 #define                 AT91_SMC_NWESETUP_(x)   ((x) << 0)
diff --git a/arch/arm/mach-at91/sam9_smc.c b/arch/arm/mach-at91/sam9_smc.c
index 8294783b679..99a0a1d2b7d 100644
--- a/arch/arm/mach-at91/sam9_smc.c
+++ b/arch/arm/mach-at91/sam9_smc.c
@@ -2,6 +2,7 @@
  * linux/arch/arm/mach-at91/sam9_smc.c
  *
  * Copyright (C) 2008 Andrew Victor
+ * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -22,7 +23,22 @@
 
 static void __iomem *smc_base_addr[2];
 
-static void __init sam9_smc_cs_configure(void __iomem *base, struct sam9_smc_config* config)
+static void sam9_smc_cs_write_mode(void __iomem *base,
+                                        struct sam9_smc_config *config)
+{
+        __raw_writel(config->mode
+                   | AT91_SMC_TDF_(config->tdf_cycles),
+                   base + AT91_SMC_MODE);
+}
+
+void sam9_smc_write_mode(int id, int cs,
+                                        struct sam9_smc_config *config)
+{
+        sam9_smc_cs_write_mode(AT91_SMC_CS(id, cs), config);
+}
+
+static void sam9_smc_cs_configure(void __iomem *base,
+                                        struct sam9_smc_config *config)
 {
 
         /* Setup register */
@@ -45,16 +61,66 @@ static void __init sam9_smc_cs_configure(void __iomem *base, struct sam9_smc_con
                    base + AT91_SMC_CYCLE);
 
         /* Mode register */
-        __raw_writel(config->mode
-                   | AT91_SMC_TDF_(config->tdf_cycles),
-                   base + AT91_SMC_MODE);
+        sam9_smc_cs_write_mode(base, config);
 }
 
-void __init sam9_smc_configure(int id, int cs, struct sam9_smc_config* config)
+void sam9_smc_configure(int id, int cs,
+                                        struct sam9_smc_config *config)
 {
         sam9_smc_cs_configure(AT91_SMC_CS(id, cs), config);
 }
 
+static void sam9_smc_cs_read_mode(void __iomem *base,
+                                        struct sam9_smc_config *config)
+{
+        u32 val = __raw_readl(base + AT91_SMC_MODE);
+
+        config->mode = (val & ~AT91_SMC_NWECYCLE);
+        config->tdf_cycles = (val & AT91_SMC_NWECYCLE) >> 16 ;
+}
+
+void sam9_smc_read_mode(int id, int cs,
+                                        struct sam9_smc_config *config)
+{
+        sam9_smc_cs_read_mode(AT91_SMC_CS(id, cs), config);
+}
+
+static void sam9_smc_cs_read(void __iomem *base,
+                                        struct sam9_smc_config *config)
+{
+        u32 val;
+
+        /* Setup register */
+        val = __raw_readl(base + AT91_SMC_SETUP);
+
+        config->nwe_setup = val & AT91_SMC_NWESETUP;
+        config->ncs_write_setup = (val & AT91_SMC_NCS_WRSETUP) >> 8;
+        config->nrd_setup = (val & AT91_SMC_NRDSETUP) >> 16;
+        config->ncs_read_setup = (val & AT91_SMC_NCS_RDSETUP) >> 24;
+
+        /* Pulse register */
+        val = __raw_readl(base + AT91_SMC_PULSE);
+
+        config->nwe_setup = val & AT91_SMC_NWEPULSE;
+        config->ncs_write_pulse = (val & AT91_SMC_NCS_WRPULSE) >> 8;
+        config->nrd_pulse = (val & AT91_SMC_NRDPULSE) >> 16;
+        config->ncs_read_pulse = (val & AT91_SMC_NCS_RDPULSE) >> 24;
+
+        /* Cycle register */
+        val = __raw_readl(base + AT91_SMC_CYCLE);
+
+        config->write_cycle = val & AT91_SMC_NWECYCLE;
+        config->read_cycle = (val & AT91_SMC_NRDCYCLE) >> 16;
+
+        /* Mode register */
+        sam9_smc_cs_read_mode(base, config);
+}
+
+void sam9_smc_read(int id, int cs, struct sam9_smc_config *config)
+{
+        sam9_smc_cs_read(AT91_SMC_CS(id, cs), config);
+}
+
 void __init at91sam9_ioremap_smc(int id, u32 addr)
 {
         if (id > 1) {
diff --git a/arch/arm/mach-at91/sam9_smc.h b/arch/arm/mach-at91/sam9_smc.h
index 039c5ce17ae..3e52dcd4a59 100644
--- a/arch/arm/mach-at91/sam9_smc.h
+++ b/arch/arm/mach-at91/sam9_smc.h
@@ -8,27 +8,4 @@
  * published by the Free Software Foundation.
  */
 
-struct sam9_smc_config {
-        /* Setup register */
-        u8 ncs_read_setup;
-        u8 nrd_setup;
-        u8 ncs_write_setup;
-        u8 nwe_setup;
-
-        /* Pulse register */
-        u8 ncs_read_pulse;
-        u8 nrd_pulse;
-        u8 ncs_write_pulse;
-        u8 nwe_pulse;
-
-        /* Cycle register */
-        u16 read_cycle;
-        u16 write_cycle;
-
-        /* Mode register */
-        u32 mode;
-        u8 tdf_cycles:4;
-};
-
-extern void __init sam9_smc_configure(int id, int cs, struct sam9_smc_config* config);
 extern void __init at91sam9_ioremap_smc(int id, u32 addr);
diff --git a/arch/arm/mach-bcmring/arch.c b/arch/arm/mach-bcmring/arch.c
index 9e5e7552498..45c97b1ee9b 100644
--- a/arch/arm/mach-bcmring/arch.c
+++ b/arch/arm/mach-bcmring/arch.c
@@ -194,6 +194,6 @@ MACHINE_START(BCMRING, "BCMRING")
         .init_early = bcmring_init_early,
         .init_irq = bcmring_init_irq,
         .timer = &bcmring_timer,
-        .init_machine = bcmring_init_machine
+        .init_machine = bcmring_init_machine,
         .restart = bcmring_restart,
 MACHINE_END
diff --git a/arch/arm/mach-bcmring/dma.c b/arch/arm/mach-bcmring/dma.c
index 1a1a27dd565..1024396797e 100644
--- a/arch/arm/mach-bcmring/dma.c
+++ b/arch/arm/mach-bcmring/dma.c
@@ -33,17 +33,11 @@
 
 #include <mach/timer.h>
 
-#include <linux/mm.h>
 #include <linux/pfn.h>
 #include <linux/atomic.h>
 #include <linux/sched.h>
 #include <mach/dma.h>
 
-/* I don't quite understand why dc4 fails when this is set to 1 and DMA is enabled */
-/* especially since dc4 doesn't use kmalloc'd memory. */
-
-#define ALLOW_MAP_OF_KMALLOC_MEMORY 0
-
 /* ---- Public Variables ------------------------------------------------- */
 
 /* ---- Private Constants and Types -------------------------------------- */
@@ -53,24 +47,12 @@
 #define CONTROLLER_FROM_HANDLE(handle)    (((handle) >> 4) & 0x0f)
 #define CHANNEL_FROM_HANDLE(handle)       ((handle) & 0x0f)
 
-#define DMA_MAP_DEBUG   0
-
-#if DMA_MAP_DEBUG
-#   define  DMA_MAP_PRINT(fmt, args...)   printk("%s: " fmt, __func__,  ## args)
-#else
-#   define  DMA_MAP_PRINT(fmt, args...)
-#endif
 
 /* ---- Private Variables ------------------------------------------------ */
 
 static DMA_Global_t gDMA;
 static struct proc_dir_entry *gDmaDir;
 
-static atomic_t gDmaStatMemTypeKmalloc = ATOMIC_INIT(0);
-static atomic_t gDmaStatMemTypeVmalloc = ATOMIC_INIT(0);
-static atomic_t gDmaStatMemTypeUser = ATOMIC_INIT(0);
-static atomic_t gDmaStatMemTypeCoherent = ATOMIC_INIT(0);
-
 #include "dma_device.c"
 
 /* ---- Private Function Prototypes -------------------------------------- */
@@ -79,34 +61,6 @@ static atomic_t gDmaStatMemTypeCoherent = ATOMIC_INIT(0);
 
 /****************************************************************************/
 /**
-*   Displays information for /proc/dma/mem-type
-*/
-/****************************************************************************/
-
-static int dma_proc_read_mem_type(char *buf, char **start, off_t offset,
-                                  int count, int *eof, void *data)
-{
-        int len = 0;
-
-        len += sprintf(buf + len, "dma_map_mem statistics\n");
-        len +=
-            sprintf(buf + len, "coherent: %d\n",
-                    atomic_read(&gDmaStatMemTypeCoherent));
-        len +=
-            sprintf(buf + len, "kmalloc:  %d\n",
-                    atomic_read(&gDmaStatMemTypeKmalloc));
-        len +=
-            sprintf(buf + len, "vmalloc:  %d\n",
-                    atomic_read(&gDmaStatMemTypeVmalloc));
-        len +=
-            sprintf(buf + len, "user:     %d\n",
-                    atomic_read(&gDmaStatMemTypeUser));
-
-        return len;
-}
-
-/****************************************************************************/
-/**
 *   Displays information for /proc/dma/channels
 */
 /****************************************************************************/
@@ -846,8 +800,6 @@ int dma_init(void)
                                        dma_proc_read_channels, NULL);
                 create_proc_read_entry("devices", 0, gDmaDir,
                                        dma_proc_read_devices, NULL);
-                create_proc_read_entry("mem-type", 0, gDmaDir,
-                                       dma_proc_read_mem_type, NULL);
         }
 
 out:
@@ -1565,767 +1517,3 @@ int dma_set_device_handler(DMA_Device_t dev,	/* Device to set the callback for.
 }
 
 EXPORT_SYMBOL(dma_set_device_handler);
-
-/****************************************************************************/
-/**
-*   Initializes a memory mapping structure
-*/
-/****************************************************************************/
-
-int dma_init_mem_map(DMA_MemMap_t *memMap)
-{
-        memset(memMap, 0, sizeof(*memMap));
-
-        sema_init(&memMap->lock, 1);
-
-        return 0;
-}
-
-EXPORT_SYMBOL(dma_init_mem_map);
-
-/****************************************************************************/
-/**
-*   Releases any memory currently being held by a memory mapping structure.
-*/
-/****************************************************************************/
-
-int dma_term_mem_map(DMA_MemMap_t *memMap)
-{
-        down(&memMap->lock);    /* Just being paranoid */
-
-        /* Free up any allocated memory */
-
-        up(&memMap->lock);
-        memset(memMap, 0, sizeof(*memMap));
-
-        return 0;
-}
-
-EXPORT_SYMBOL(dma_term_mem_map);
-
-/****************************************************************************/
-/**
-*   Looks at a memory address and categorizes it.
-*
-*   @return One of the values from the DMA_MemType_t enumeration.
-*/
-/****************************************************************************/
-
-DMA_MemType_t dma_mem_type(void *addr)
-{
-        unsigned long addrVal = (unsigned long)addr;
-
-        if (addrVal >= CONSISTENT_BASE) {
-                /* NOTE: DMA virtual memory space starts at 0xFFxxxxxx */
-
-                /* dma_alloc_xxx pages are physically and virtually contiguous */
-
-                return DMA_MEM_TYPE_DMA;
-        }
-
-        /* Technically, we could add one more classification. Addresses between VMALLOC_END */
-        /* and the beginning of the DMA virtual address could be considered to be I/O space. */
-        /* Right now, nobody cares about this particular classification, so we ignore it. */
-
-        if (is_vmalloc_addr(addr)) {
-                /* Address comes from the vmalloc'd region. Pages are virtually */
-                /* contiguous but NOT physically contiguous */
-
-                return DMA_MEM_TYPE_VMALLOC;
-        }
-
-        if (addrVal >= PAGE_OFFSET) {
-                /* PAGE_OFFSET is typically 0xC0000000 */
-
-                /* kmalloc'd pages are physically contiguous */
-
-                return DMA_MEM_TYPE_KMALLOC;
-        }
-
-        return DMA_MEM_TYPE_USER;
-}
-
-EXPORT_SYMBOL(dma_mem_type);
-
-/****************************************************************************/
-/**
-*   Looks at a memory address and determines if we support DMA'ing to/from
-*   that type of memory.
-*
-*   @return boolean -
-*               return value != 0 means dma supported
-*               return value == 0 means dma not supported
-*/
-/****************************************************************************/
-
-int dma_mem_supports_dma(void *addr)
-{
-        DMA_MemType_t memType = dma_mem_type(addr);
-
-        return (memType == DMA_MEM_TYPE_DMA)
-#if ALLOW_MAP_OF_KMALLOC_MEMORY
-            || (memType == DMA_MEM_TYPE_KMALLOC)
-#endif
-            || (memType == DMA_MEM_TYPE_USER);
-}
-
-EXPORT_SYMBOL(dma_mem_supports_dma);
-
-/****************************************************************************/
-/**
-*   Maps in a memory region such that it can be used for performing a DMA.
-*
-*   @return
-*/
-/****************************************************************************/
-
-int dma_map_start(DMA_MemMap_t *memMap, /* Stores state information about the map */
-                  enum dma_data_direction dir   /* Direction that the mapping will be going */
-    ) {
-        int rc;
-
-        down(&memMap->lock);
-
-        DMA_MAP_PRINT("memMap: %p\n", memMap);
-
-        if (memMap->inUse) {
-                printk(KERN_ERR "%s: memory map %p is already being used\n",
-                       __func__, memMap);
-                rc = -EBUSY;
-                goto out;
-        }
-
-        memMap->inUse = 1;
-        memMap->dir = dir;
-        memMap->numRegionsUsed = 0;
-
-        rc = 0;
-
-out:
-
-        DMA_MAP_PRINT("returning %d", rc);
-
-        up(&memMap->lock);
-
-        return rc;
-}
-
-EXPORT_SYMBOL(dma_map_start);
-
-/****************************************************************************/
-/**
-*   Adds a segment of memory to a memory map. Each segment is both
-*   physically and virtually contiguous.
-*
-*   @return     0 on success, error code otherwise.
-*/
-/****************************************************************************/
-
-static int dma_map_add_segment(DMA_MemMap_t *memMap,    /* Stores state information about the map */
-                               DMA_Region_t *region,    /* Region that the segment belongs to */
-                               void *virtAddr,  /* Virtual address of the segment being added */
-                               dma_addr_t physAddr,     /* Physical address of the segment being added */
-                               size_t numBytes  /* Number of bytes of the segment being added */
-    ) {
-        DMA_Segment_t *segment;
-
-        DMA_MAP_PRINT("memMap:%p va:%p pa:0x%x #:%d\n", memMap, virtAddr,
-                      physAddr, numBytes);
-
-        /* Sanity check */
-
-        if (((unsigned long)virtAddr < (unsigned long)region->virtAddr)
-            || (((unsigned long)virtAddr + numBytes)) >
-            ((unsigned long)region->virtAddr + region->numBytes)) {
-                printk(KERN_ERR
-                       "%s: virtAddr %p is outside region @ %p len: %d\n",
-                       __func__, virtAddr, region->virtAddr, region->numBytes);
-                return -EINVAL;
-        }
-
-        if (region->numSegmentsUsed > 0) {
-                /* Check to see if this segment is physically contiguous with the previous one */
-
-                segment = &region->segment[region->numSegmentsUsed - 1];
-
-                if ((segment->physAddr + segment->numBytes) == physAddr) {
-                        /* It is - just add on to the end */
-
-                        DMA_MAP_PRINT("appending %d bytes to last segment\n",
-                                      numBytes);
-
-                        segment->numBytes += numBytes;
-
-                        return 0;
-                }
-        }
-
-        /* Reallocate to hold more segments, if required. */
-
-        if (region->numSegmentsUsed >= region->numSegmentsAllocated) {
-                DMA_Segment_t *newSegment;
-                size_t oldSize =
-                    region->numSegmentsAllocated * sizeof(*newSegment);
-                int newAlloc = region->numSegmentsAllocated + 4;
-                size_t newSize = newAlloc * sizeof(*newSegment);
-
-                newSegment = kmalloc(newSize, GFP_KERNEL);
-                if (newSegment == NULL) {
-                        return -ENOMEM;
-                }
-                memcpy(newSegment, region->segment, oldSize);
-                memset(&((uint8_t *) newSegment)[oldSize], 0,
-                       newSize - oldSize);
-                kfree(region->segment);
-
-                region->numSegmentsAllocated = newAlloc;
-                region->segment = newSegment;
-        }
-
-        segment = &region->segment[region->numSegmentsUsed];
-        region->numSegmentsUsed++;
-
-        segment->virtAddr = virtAddr;
-        segment->physAddr = physAddr;
-        segment->numBytes = numBytes;
-
-        DMA_MAP_PRINT("returning success\n");
-
-        return 0;
-}
-
-/****************************************************************************/
-/**
-*   Adds a region of memory to a memory map. Each region is virtually
-*   contiguous, but not necessarily physically contiguous.
-*
-*   @return     0 on success, error code otherwise.
-*/
-/****************************************************************************/
-
-int dma_map_add_region(DMA_MemMap_t *memMap,    /* Stores state information about the map */
-                       void *mem,       /* Virtual address that we want to get a map of */
-                       size_t numBytes  /* Number of bytes being mapped */
-    ) {
-        unsigned long addr = (unsigned long)mem;
-        unsigned int offset;
-        int rc = 0;
-        DMA_Region_t *region;
-        dma_addr_t physAddr;
-
-        down(&memMap->lock);
-
-        DMA_MAP_PRINT("memMap:%p va:%p #:%d\n", memMap, mem, numBytes);
-
-        if (!memMap->inUse) {
-                printk(KERN_ERR "%s: Make sure you call dma_map_start first\n",
-                       __func__);
-                rc = -EINVAL;
-                goto out;
-        }
-
-        /* Reallocate to hold more regions. */
-
-        if (memMap->numRegionsUsed >= memMap->numRegionsAllocated) {
-                DMA_Region_t *newRegion;
-                size_t oldSize =
-                    memMap->numRegionsAllocated * sizeof(*newRegion);
-                int newAlloc = memMap->numRegionsAllocated + 4;
-                size_t newSize = newAlloc * sizeof(*newRegion);
-
-                newRegion = kmalloc(newSize, GFP_KERNEL);
-                if (newRegion == NULL) {
-                        rc = -ENOMEM;
-                        goto out;
-                }
-                memcpy(newRegion, memMap->region, oldSize);
-                memset(&((uint8_t *) newRegion)[oldSize], 0, newSize - oldSize);
-
-                kfree(memMap->region);
-
-                memMap->numRegionsAllocated = newAlloc;
-                memMap->region = newRegion;
-        }
-
-        region = &memMap->region[memMap->numRegionsUsed];
-        memMap->numRegionsUsed++;
-
-        offset = addr & ~PAGE_MASK;
-
-        region->memType = dma_mem_type(mem);
-        region->virtAddr = mem;
-        region->numBytes = numBytes;
-        region->numSegmentsUsed = 0;
-        region->numLockedPages = 0;
-        region->lockedPages = NULL;
-
-        switch (region->memType) {
-        case DMA_MEM_TYPE_VMALLOC:
-                {
-                        atomic_inc(&gDmaStatMemTypeVmalloc);
-
-                        /* printk(KERN_ERR "%s: vmalloc'd pages are not supported\n", __func__); */
-
-                        /* vmalloc'd pages are not physically contiguous */
-
-                        rc = -EINVAL;
-                        break;
-                }
-
-        case DMA_MEM_TYPE_KMALLOC:
-                {
-                        atomic_inc(&gDmaStatMemTypeKmalloc);
-
-                        /* kmalloc'd pages are physically contiguous, so they'll have exactly */
-                        /* one segment */
-
-#if ALLOW_MAP_OF_KMALLOC_MEMORY
-                        physAddr =
-                            dma_map_single(NULL, mem, numBytes, memMap->dir);
-                        rc = dma_map_add_segment(memMap, region, mem, physAddr,
-                                                 numBytes);
-#else
-                        rc = -EINVAL;
-#endif
-                        break;
-                }
-
-        case DMA_MEM_TYPE_DMA:
-                {
-                        /* dma_alloc_xxx pages are physically contiguous */
-
-                        atomic_inc(&gDmaStatMemTypeCoherent);
-
-                        physAddr = (vmalloc_to_pfn(mem) << PAGE_SHIFT) + offset;
-
-                        dma_sync_single_for_cpu(NULL, physAddr, numBytes,
-                                                memMap->dir);
-                        rc = dma_map_add_segment(memMap, region, mem, physAddr,
-                                                 numBytes);
-                        break;
-                }
-
-        case DMA_MEM_TYPE_USER:
-                {
-                        size_t firstPageOffset;
-                        size_t firstPageSize;
-                        struct page **pages;
-                        struct task_struct *userTask;
-
-                        atomic_inc(&gDmaStatMemTypeUser);
-
-#if 1
-                        /* If the pages are user pages, then the dma_mem_map_set_user_task function */
-                        /* must have been previously called. */
-
-                        if (memMap->userTask == NULL) {
-                                printk(KERN_ERR
-                                       "%s: must call dma_mem_map_set_user_task when using user-mode memory\n",
-                                       __func__);
-                                return -EINVAL;
-                        }
-
-                        /* User pages need to be locked. */
-
-                        firstPageOffset =
-                            (unsigned long)region->virtAddr & (PAGE_SIZE - 1);
-                        firstPageSize = PAGE_SIZE - firstPageOffset;
-
-                        region->numLockedPages = (firstPageOffset
-                                                  + region->numBytes +
-                                                  PAGE_SIZE - 1) / PAGE_SIZE;
-                        pages =
-                            kmalloc(region->numLockedPages *
-                                    sizeof(struct page *), GFP_KERNEL);
-
-                        if (pages == NULL) {
-                                region->numLockedPages = 0;
-                                return -ENOMEM;
-                        }
-
-                        userTask = memMap->userTask;
-
-                        down_read(&userTask->mm->mmap_sem);
-                        rc = get_user_pages(userTask,   /* task */
-                                            userTask->mm,       /* mm */
-                                            (unsigned long)region->virtAddr,    /* start */
-                                            region->numLockedPages,     /* len */
-                                            memMap->dir == DMA_FROM_DEVICE,     /* write */
-                                            0,  /* force */
-                                            pages,      /* pages (array of pointers to page) */
-                                            NULL);      /* vmas */
-                        up_read(&userTask->mm->mmap_sem);
-
-                        if (rc != region->numLockedPages) {
-                                kfree(pages);
-                                region->numLockedPages = 0;
-
-                                if (rc >= 0) {
-                                        rc = -EINVAL;
-                                }
-                        } else {
-                                uint8_t *virtAddr = region->virtAddr;
-                                size_t bytesRemaining;
-                                int pageIdx;
-
-                                rc = 0; /* Since get_user_pages returns +ve number */
-
-                                region->lockedPages = pages;
-
-                                /* We've locked the user pages. Now we need to walk them and figure */
-                                /* out the physical addresses. */
-
-                                /* The first page may be partial */
-
-                                dma_map_add_segment(memMap,
-                                                    region,
-                                                    virtAddr,
-                                                    PFN_PHYS(page_to_pfn
-                                                             (pages[0])) +
-                                                    firstPageOffset,
-                                                    firstPageSize);
-
-                                virtAddr += firstPageSize;
-                                bytesRemaining =
-                                    region->numBytes - firstPageSize;
-
-                                for (pageIdx = 1;
-                                     pageIdx < region->numLockedPages;
-                                     pageIdx++) {
-                                        size_t bytesThisPage =
-                                            (bytesRemaining >
-                                             PAGE_SIZE ? PAGE_SIZE :
-                                             bytesRemaining);
-
-                                        DMA_MAP_PRINT
-                                            ("pageIdx:%d pages[pageIdx]=%p pfn=%u phys=%u\n",
-                                             pageIdx, pages[pageIdx],
-                                             page_to_pfn(pages[pageIdx]),
-                                             PFN_PHYS(page_to_pfn
-                                                      (pages[pageIdx])));
-
-                                        dma_map_add_segment(memMap,
-                                                            region,
-                                                            virtAddr,
-                                                            PFN_PHYS(page_to_pfn
-                                                                     (pages
-                                                                      [pageIdx])),
-                                                            bytesThisPage);
-
-                                        virtAddr += bytesThisPage;
-                                        bytesRemaining -= bytesThisPage;
-                                }
-                        }
-#else
-                        printk(KERN_ERR
-                               "%s: User mode pages are not yet supported\n",
-                               __func__);
-
-                        /* user pages are not physically contiguous */
-
-                        rc = -EINVAL;
-#endif
-                        break;
-                }
-
-        default:
-                {
-                        printk(KERN_ERR "%s: Unsupported memory type: %d\n",
-                               __func__, region->memType);
-
-                        rc = -EINVAL;
-                        break;
-                }
-        }
-
-        if (rc != 0) {
-                memMap->numRegionsUsed--;
-        }
-
-out:
-
-        DMA_MAP_PRINT("returning %d\n", rc);
-
-        up(&memMap->lock);
-
-        return rc;
-}
-
-EXPORT_SYMBOL(dma_map_add_segment);
-
-/****************************************************************************/
-/**
-*   Maps in a memory region such that it can be used for performing a DMA.
-*
-*   @return     0 on success, error code otherwise.
-*/
-/****************************************************************************/
-
-int dma_map_mem(DMA_MemMap_t *memMap,   /* Stores state information about the map */
-                void *mem,      /* Virtual address that we want to get a map of */
-                size_t numBytes,        /* Number of bytes being mapped */
-                enum dma_data_direction dir     /* Direction that the mapping will be going */
-    ) {
-        int rc;
-
-        rc = dma_map_start(memMap, dir);
-        if (rc == 0) {
-                rc = dma_map_add_region(memMap, mem, numBytes);
-                if (rc < 0) {
-                        /* Since the add fails, this function will fail, and the caller won't */
-                        /* call unmap, so we need to do it here. */
-
-                        dma_unmap(memMap, 0);
-                }
-        }
-
-        return rc;
-}
-
-EXPORT_SYMBOL(dma_map_mem);
-
-/****************************************************************************/
-/**
-*   Setup a descriptor ring for a given memory map.
-*
-*   It is assumed that the descriptor ring has already been initialized, and
-*   this routine will only reallocate a new descriptor ring if the existing
-*   one is too small.
-*
-*   @return     0 on success, error code otherwise.
-*/
-/****************************************************************************/
-
-int dma_map_create_descriptor_ring(DMA_Device_t dev,    /* DMA device (where the ring is stored) */
-                                   DMA_MemMap_t *memMap,        /* Memory map that will be used */
-                                   dma_addr_t devPhysAddr       /* Physical address of device */
-    ) {
-        int rc;
-        int numDescriptors;
-        DMA_DeviceAttribute_t *devAttr;
-        DMA_Region_t *region;
-        DMA_Segment_t *segment;
-        dma_addr_t srcPhysAddr;
-        dma_addr_t dstPhysAddr;
-        int regionIdx;
-        int segmentIdx;
-
-        devAttr = &DMA_gDeviceAttribute[dev];
-
-        down(&memMap->lock);
-
-        /* Figure out how many descriptors we need */
-
-        numDescriptors = 0;
-        for (regionIdx = 0; regionIdx < memMap->numRegionsUsed; regionIdx++) {
-                region = &memMap->region[regionIdx];
-
-                for (segmentIdx = 0; segmentIdx < region->numSegmentsUsed;
-                     segmentIdx++) {
-                        segment = &region->segment[segmentIdx];
-
-                        if (memMap->dir == DMA_TO_DEVICE) {
-                                srcPhysAddr = segment->physAddr;
-                                dstPhysAddr = devPhysAddr;
-                        } else {
-                                srcPhysAddr = devPhysAddr;
-                                dstPhysAddr = segment->physAddr;
-                        }
-
-                        rc =
-                             dma_calculate_descriptor_count(dev, srcPhysAddr,
-                                                            dstPhysAddr,
-                                                            segment->
-                                                            numBytes);
-                        if (rc < 0) {
-                                printk(KERN_ERR
-                                       "%s: dma_calculate_descriptor_count failed: %d\n",
-                                       __func__, rc);
-                                goto out;
-                        }
-                        numDescriptors += rc;
-                }
-        }
-
-        /* Adjust the size of the ring, if it isn't big enough */
-
-        if (numDescriptors > devAttr->ring.descriptorsAllocated) {
-                dma_free_descriptor_ring(&devAttr->ring);
-                rc =
-                     dma_alloc_descriptor_ring(&devAttr->ring,
-                                               numDescriptors);
-                if (rc < 0) {
-                        printk(KERN_ERR
-                               "%s: dma_alloc_descriptor_ring failed: %d\n",
-                               __func__, rc);
-                        goto out;
-                }
-        } else {
-                rc =
-                     dma_init_descriptor_ring(&devAttr->ring,
-                                              numDescriptors);
-                if (rc < 0) {
-                        printk(KERN_ERR
-                               "%s: dma_init_descriptor_ring failed: %d\n",
-                               __func__, rc);
-                        goto out;
-                }
-        }
-
-        /* Populate the descriptors */
-
-        for (regionIdx = 0; regionIdx < memMap->numRegionsUsed; regionIdx++) {
-                region = &memMap->region[regionIdx];
-
-                for (segmentIdx = 0; segmentIdx < region->numSegmentsUsed;
-                     segmentIdx++) {
-                        segment = &region->segment[segmentIdx];
-
-                        if (memMap->dir == DMA_TO_DEVICE) {
-                                srcPhysAddr = segment->physAddr;
-                                dstPhysAddr = devPhysAddr;
-                        } else {
-                                srcPhysAddr = devPhysAddr;
-                                dstPhysAddr = segment->physAddr;
-                        }
-
-                        rc =
-                             dma_add_descriptors(&devAttr->ring, dev,
-                                                 srcPhysAddr, dstPhysAddr,
-                                                 segment->numBytes);
-                        if (rc < 0) {
-                                printk(KERN_ERR
-                                       "%s: dma_add_descriptors failed: %d\n",
-                                       __func__, rc);
-                                goto out;
-                        }
-                }
-        }
-
-        rc = 0;
-
-out:
-
-        up(&memMap->lock);
-        return rc;
-}
-
-EXPORT_SYMBOL(dma_map_create_descriptor_ring);
-
-/****************************************************************************/
-/**
-*   Maps in a memory region such that it can be used for performing a DMA.
-*
-*   @return
-*/
-/****************************************************************************/
-
-int dma_unmap(DMA_MemMap_t *memMap,     /* Stores state information about the map */
-              int dirtied       /* non-zero if any of the pages were modified */
-    ) {
-
-        int rc = 0;
-        int regionIdx;
-        int segmentIdx;
-        DMA_Region_t *region;
-        DMA_Segment_t *segment;
-
-        down(&memMap->lock);
-
-        for (regionIdx = 0; regionIdx < memMap->numRegionsUsed; regionIdx++) {
-                region = &memMap->region[regionIdx];
-
-                for (segmentIdx = 0; segmentIdx < region->numSegmentsUsed;
-                     segmentIdx++) {
-                        segment = &region->segment[segmentIdx];
-
-                        switch (region->memType) {
-                        case DMA_MEM_TYPE_VMALLOC:
-                                {
-                                        printk(KERN_ERR
-                                               "%s: vmalloc'd pages are not yet supported\n",
-                                               __func__);
-                                        rc = -EINVAL;
-                                        goto out;
-                                }
-
-                        case DMA_MEM_TYPE_KMALLOC:
-                                {
-#if ALLOW_MAP_OF_KMALLOC_MEMORY
-                                        dma_unmap_single(NULL,
-                                                         segment->physAddr,
-                                                         segment->numBytes,
-                                                         memMap->dir);
-#endif
-                                        break;
-                                }
-
-                        case DMA_MEM_TYPE_DMA:
-                                {
-                                        dma_sync_single_for_cpu(NULL,
-                                                                segment->
-                                                                physAddr,
-                                                                segment->
-                                                                numBytes,
-                                                                memMap->dir);
-                                        break;
-                                }
-
-                        case DMA_MEM_TYPE_USER:
-                                {
-                                        /* Nothing to do here. */
-
-                                        break;
-                                }
-
-                        default:
-                                {
-                                        printk(KERN_ERR
-                                               "%s: Unsupported memory type: %d\n",
-                                               __func__, region->memType);
-                                        rc = -EINVAL;
-                                        goto out;
-                                }
-                        }
-
-                        segment->virtAddr = NULL;
-                        segment->physAddr = 0;
-                        segment->numBytes = 0;
-                }
-
-                if (region->numLockedPages > 0) {
-                        int pageIdx;
-
-                        /* Some user pages were locked. We need to go and unlock them now. */
-
-                        for (pageIdx = 0; pageIdx < region->numLockedPages;
-                             pageIdx++) {
-                                struct page *page =
-                                    region->lockedPages[pageIdx];
-
-                                if (memMap->dir == DMA_FROM_DEVICE) {
-                                        SetPageDirty(page);
-                                }
-                                page_cache_release(page);
-                        }
-                        kfree(region->lockedPages);
-                        region->numLockedPages = 0;
-                        region->lockedPages = NULL;
-                }
-
-                region->memType = DMA_MEM_TYPE_NONE;
-                region->virtAddr = NULL;
-                region->numBytes = 0;
-                region->numSegmentsUsed = 0;
-        }
-        memMap->userTask = NULL;
-        memMap->numRegionsUsed = 0;
-        memMap->inUse = 0;
-
-out:
-        up(&memMap->lock);
-
-        return rc;
-}
-
-EXPORT_SYMBOL(dma_unmap);
diff --git a/arch/arm/mach-bcmring/include/mach/dma.h b/arch/arm/mach-bcmring/include/mach/dma.h
index 1f2c5319c05..72543781207 100644
--- a/arch/arm/mach-bcmring/include/mach/dma.h
+++ b/arch/arm/mach-bcmring/include/mach/dma.h
@@ -26,15 +26,9 @@
 /* ---- Include Files ---------------------------------------------------- */
 
 #include <linux/kernel.h>
-#include <linux/wait.h>
 #include <linux/semaphore.h>
 #include <csp/dmacHw.h>
 #include <mach/timer.h>
-#include <linux/scatterlist.h>
-#include <linux/dma-mapping.h>
-#include <linux/mm.h>
-#include <linux/vmalloc.h>
-#include <linux/pagemap.h>
 
 /* ---- Constants and Types ---------------------------------------------- */
 
@@ -113,78 +107,6 @@ typedef struct {
 
 /****************************************************************************
 *
-*   The DMA_MemType_t and DMA_MemMap_t are helper structures used to setup
-*   DMA chains from a variety of memory sources.
-*
-*****************************************************************************/
-
-#define DMA_MEM_MAP_MIN_SIZE    4096    /* Pages less than this size are better */
-                                        /* off not being DMA'd. */
-
-typedef enum {
-        DMA_MEM_TYPE_NONE,      /* Not a valid setting */
-        DMA_MEM_TYPE_VMALLOC,   /* Memory came from vmalloc call */
-        DMA_MEM_TYPE_KMALLOC,   /* Memory came from kmalloc call */
-        DMA_MEM_TYPE_DMA,       /* Memory came from dma_alloc_xxx call */
-        DMA_MEM_TYPE_USER,      /* Memory came from user space. */
-
-} DMA_MemType_t;
-
-/* A segment represents a physically and virtually contiguous chunk of memory. */
-/* i.e. each segment can be DMA'd */
-/* A user of the DMA code will add memory regions. Each region may need to be */
-/* represented by one or more segments. */
-
-typedef struct {
-        void *virtAddr;         /* Virtual address used for this segment */
-        dma_addr_t physAddr;    /* Physical address this segment maps to */
-        size_t numBytes;        /* Size of the segment, in bytes */
-
-} DMA_Segment_t;
-
-/* A region represents a virtually contiguous chunk of memory, which may be */
-/* made up of multiple segments. */
-
-typedef struct {
-        DMA_MemType_t memType;
-        void *virtAddr;
-        size_t numBytes;
-
-        /* Each region (virtually contiguous) consists of one or more segments. Each */
-        /* segment is virtually and physically contiguous. */
-
-        int numSegmentsUsed;
-        int numSegmentsAllocated;
-        DMA_Segment_t *segment;
-
-        /* When a region corresponds to user memory, we need to lock all of the pages */
-        /* down before we can figure out the physical addresses. The lockedPage array contains */
-        /* the pages that were locked, and which subsequently need to be unlocked once the */
-        /* memory is unmapped. */
-
-        unsigned numLockedPages;
-        struct page **lockedPages;
-
-} DMA_Region_t;
-
-typedef struct {
-        int inUse;              /* Is this mapping currently being used? */
-        struct semaphore lock;  /* Acquired when using this structure */
-        enum dma_data_direction dir;    /* Direction this transfer is intended for */
-
-        /* In the event that we're mapping user memory, we need to know which task */
-        /* the memory is for, so that we can obtain the correct mm locks. */
-
-        struct task_struct *userTask;
-
-        int numRegionsUsed;
-        int numRegionsAllocated;
-        DMA_Region_t *region;
-
-} DMA_MemMap_t;
-
-/****************************************************************************
-*
 *   The DMA_DeviceAttribute_t contains information which describes a
 *   particular DMA device (or peripheral).
 *
@@ -570,124 +492,6 @@ int dma_alloc_double_dst_descriptors(DMA_Handle_t handle,	/* DMA Handle */
 
 /****************************************************************************/
 /**
-*   Initializes a DMA_MemMap_t data structure
-*/
-/****************************************************************************/
-
-int dma_init_mem_map(DMA_MemMap_t *memMap       /* Stores state information about the map */
-    );
-
-/****************************************************************************/
-/**
-*   Releases any memory currently being held by a memory mapping structure.
-*/
-/****************************************************************************/
-
-int dma_term_mem_map(DMA_MemMap_t *memMap       /* Stores state information about the map */
-    );
-
-/****************************************************************************/
-/**
-*   Looks at a memory address and categorizes it.
-*
-*   @return One of the values from the DMA_MemType_t enumeration.
-*/
-/****************************************************************************/
-
-DMA_MemType_t dma_mem_type(void *addr);
-
-/****************************************************************************/
-/**
-*   Sets the process (aka userTask) associated with a mem map. This is
-*   required if user-mode segments will be added to the mapping.
-*/
-/****************************************************************************/
-
-static inline void dma_mem_map_set_user_task(DMA_MemMap_t *memMap,
-                                             struct task_struct *task)
-{
-        memMap->userTask = task;
-}
-
-/****************************************************************************/
-/**
-*   Looks at a memory address and determines if we support DMA'ing to/from
-*   that type of memory.
-*
-*   @return boolean -
-*               return value != 0 means dma supported
-*               return value == 0 means dma not supported
-*/
-/****************************************************************************/
-
-int dma_mem_supports_dma(void *addr);
-
-/****************************************************************************/
-/**
-*   Initializes a memory map for use. Since this function acquires a
-*   sempaphore within the memory map, it is VERY important that dma_unmap
-*   be called when you're finished using the map.
-*/
-/****************************************************************************/
-
-int dma_map_start(DMA_MemMap_t *memMap, /* Stores state information about the map */
-                  enum dma_data_direction dir   /* Direction that the mapping will be going */
-    );
-
-/****************************************************************************/
-/**
-*   Adds a segment of memory to a memory map.
-*
-*   @return     0 on success, error code otherwise.
-*/
-/****************************************************************************/
-
-int dma_map_add_region(DMA_MemMap_t *memMap,    /* Stores state information about the map */
-                       void *mem,       /* Virtual address that we want to get a map of */
-                       size_t numBytes  /* Number of bytes being mapped */
-    );
-
-/****************************************************************************/
-/**
-*   Creates a descriptor ring from a memory mapping.
-*
-*   @return 0 on success, error code otherwise.
-*/
-/****************************************************************************/
-
-int dma_map_create_descriptor_ring(DMA_Device_t dev,    /* DMA device (where the ring is stored) */
-                                   DMA_MemMap_t *memMap,        /* Memory map that will be used */
-                                   dma_addr_t devPhysAddr       /* Physical address of device */
-    );
-
-/****************************************************************************/
-/**
-*   Maps in a memory region such that it can be used for performing a DMA.
-*
-*   @return
-*/
-/****************************************************************************/
-
-int dma_map_mem(DMA_MemMap_t *memMap,   /* Stores state information about the map */
-                void *addr,     /* Virtual address that we want to get a map of */
-                size_t count,   /* Number of bytes being mapped */
-                enum dma_data_direction dir     /* Direction that the mapping will be going */
-    );
-
-/****************************************************************************/
-/**
-*   Maps in a memory region such that it can be used for performing a DMA.
-*
-*   @return
-*/
-/****************************************************************************/
-
-int dma_unmap(DMA_MemMap_t *memMap,     /* Stores state information about the map */
-              int dirtied       /* non-zero if any of the pages were modified */
-    );
-
-/****************************************************************************/
-/**
 *   Initiates a transfer when the descriptors have already been setup.
 *
 *   This is a special case, and normally, the dma_transfer_xxx functions should
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 6b22b543a83..d5088900af6 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -44,7 +44,7 @@
 #include <mach/aemif.h>
 #include <mach/spi.h>
 
-#define DA850_EVM_PHY_ID                "0:00"
+#define DA850_EVM_PHY_ID                "davinci_mdio-0:00"
 #define DA850_LCD_PWR_PIN               GPIO_TO_PIN(2, 8)
 #define DA850_LCD_BL_PIN                GPIO_TO_PIN(2, 15)
 
diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index 346e1de2f5a..849311d3cb7 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -54,7 +54,7 @@ static inline int have_tvp7002(void)
         return 0;
 }
 
-#define DM365_EVM_PHY_ID                "0:01"
+#define DM365_EVM_PHY_ID                "davinci_mdio-0:01"
 /*
  * A MAX-II CPLD is used for various board control functions.
  */
diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c
index a64b49cfedc..1247ecdcf75 100644
--- a/arch/arm/mach-davinci/board-dm644x-evm.c
+++ b/arch/arm/mach-davinci/board-dm644x-evm.c
@@ -40,7 +40,7 @@
 #include <mach/usb.h>
 #include <mach/aemif.h>
 
-#define DM644X_EVM_PHY_ID               "0:01"
+#define DM644X_EVM_PHY_ID               "davinci_mdio-0:01"
 #define LXT971_PHY_ID   (0x001378e2)
 #define LXT971_PHY_MASK (0xfffffff0)
 
diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c
index 64017558860..872ac69fa04 100644
--- a/arch/arm/mach-davinci/board-dm646x-evm.c
+++ b/arch/arm/mach-davinci/board-dm646x-evm.c
@@ -736,7 +736,7 @@ static struct davinci_uart_config uart_config __initdata = {
         .enabled_uarts = (1 << 0),
 };
 
-#define DM646X_EVM_PHY_ID               "0:01"
+#define DM646X_EVM_PHY_ID               "davinci_mdio-0:01"
 /*
  * The following EDMA channels/slots are not being used by drivers (for
  * example: Timer, GPIO, UART events etc) on dm646x, hence they are being
diff --git a/arch/arm/mach-davinci/board-neuros-osd2.c b/arch/arm/mach-davinci/board-neuros-osd2.c
index 6c4a16415d4..8d34f513d41 100644
--- a/arch/arm/mach-davinci/board-neuros-osd2.c
+++ b/arch/arm/mach-davinci/board-neuros-osd2.c
@@ -39,7 +39,7 @@
 #include <mach/mmc.h>
 #include <mach/usb.h>
 
-#define NEUROS_OSD2_PHY_ID              "0:01"
+#define NEUROS_OSD2_PHY_ID              "davinci_mdio-0:01"
 #define LXT971_PHY_ID                   0x001378e2
 #define LXT971_PHY_MASK                 0xfffffff0
 
diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c
index e7c0c7c5349..45e815760a2 100644
--- a/arch/arm/mach-davinci/board-omapl138-hawk.c
+++ b/arch/arm/mach-davinci/board-omapl138-hawk.c
@@ -21,7 +21,7 @@
 #include <mach/da8xx.h>
 #include <mach/mux.h>
 
-#define HAWKBOARD_PHY_ID                "0:07"
+#define HAWKBOARD_PHY_ID                "davinci_mdio-0:07"
 #define DA850_HAWK_MMCSD_CD_PIN         GPIO_TO_PIN(3, 12)
 #define DA850_HAWK_MMCSD_WP_PIN         GPIO_TO_PIN(3, 13)
 
diff --git a/arch/arm/mach-davinci/board-sffsdr.c b/arch/arm/mach-davinci/board-sffsdr.c
index 0b136a831c5..31da3c5b2ba 100644
--- a/arch/arm/mach-davinci/board-sffsdr.c
+++ b/arch/arm/mach-davinci/board-sffsdr.c
@@ -42,7 +42,7 @@
 #include <mach/mux.h>
 #include <mach/usb.h>
 
-#define SFFSDR_PHY_ID           "0:01"
+#define SFFSDR_PHY_ID           "davinci_mdio-0:01"
 static struct mtd_partition davinci_sffsdr_nandflash_partition[] = {
         /* U-Boot Environment: Block 0
          * UBL:                Block 1
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index 0ed7fdb64ef..992c4c41018 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -153,34 +153,6 @@ static struct clk pll1_sysclk3 = {
         .div_reg        = PLLDIV3,
 };
 
-static struct clk pll1_sysclk4 = {
-        .name           = "pll1_sysclk4",
-        .parent         = &pll1_clk,
-        .flags          = CLK_PLL,
-        .div_reg        = PLLDIV4,
-};
-
-static struct clk pll1_sysclk5 = {
-        .name           = "pll1_sysclk5",
-        .parent         = &pll1_clk,
-        .flags          = CLK_PLL,
-        .div_reg        = PLLDIV5,
-};
-
-static struct clk pll1_sysclk6 = {
-        .name           = "pll0_sysclk6",
-        .parent         = &pll0_clk,
-        .flags          = CLK_PLL,
-        .div_reg        = PLLDIV6,
-};
-
-static struct clk pll1_sysclk7 = {
-        .name           = "pll1_sysclk7",
-        .parent         = &pll1_clk,
-        .flags          = CLK_PLL,
-        .div_reg        = PLLDIV7,
-};
-
 static struct clk i2c0_clk = {
         .name           = "i2c0",
         .parent         = &pll0_aux_clk,
@@ -397,10 +369,6 @@ static struct clk_lookup da850_clks[] = {
         CLK(NULL,               "pll1_aux",     &pll1_aux_clk),
         CLK(NULL,               "pll1_sysclk2", &pll1_sysclk2),
         CLK(NULL,               "pll1_sysclk3", &pll1_sysclk3),
-        CLK(NULL,               "pll1_sysclk4", &pll1_sysclk4),
-        CLK(NULL,               "pll1_sysclk5", &pll1_sysclk5),
-        CLK(NULL,               "pll1_sysclk6", &pll1_sysclk6),
-        CLK(NULL,               "pll1_sysclk7", &pll1_sysclk7),
         CLK("i2c_davinci.1",    NULL,           &i2c0_clk),
         CLK(NULL,               "timer0",       &timerp64_0_clk),
         CLK("watchdog",         NULL,           &timerp64_1_clk),
diff --git a/arch/arm/mach-dove/common.c b/arch/arm/mach-dove/common.c
index dd1429ae640..bda7aca04ca 100644
--- a/arch/arm/mach-dove/common.c
+++ b/arch/arm/mach-dove/common.c
@@ -28,6 +28,7 @@
 #include <asm/mach/arch.h>
 #include <linux/irq.h>
 #include <plat/time.h>
+#include <plat/ehci-orion.h>
 #include <plat/common.h>
 #include <plat/addr-map.h>
 #include "common.h"
@@ -71,7 +72,7 @@ void __init dove_map_io(void)
  ****************************************************************************/
 void __init dove_ehci0_init(void)
 {
-        orion_ehci_init(DOVE_USB0_PHYS_BASE, IRQ_DOVE_USB0);
+        orion_ehci_init(DOVE_USB0_PHYS_BASE, IRQ_DOVE_USB0, EHCI_PHY_NA);
 }
 
 /*****************************************************************************
diff --git a/arch/arm/mach-ep93xx/vision_ep9307.c b/arch/arm/mach-ep93xx/vision_ep9307.c
index 03dd4012043..d5fb44f16d3 100644
--- a/arch/arm/mach-ep93xx/vision_ep9307.c
+++ b/arch/arm/mach-ep93xx/vision_ep9307.c
@@ -32,6 +32,7 @@
 #include <mach/hardware.h>
 #include <mach/fb.h>
 #include <mach/ep93xx_spi.h>
+#include <mach/gpio-ep93xx.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/map.h>
@@ -153,7 +154,6 @@ static struct i2c_board_info vision_i2c_info[] __initdata = {
         }, {
                 I2C_BOARD_INFO("pca9539", 0x74),
                 .platform_data  = &pca953x_74_gpio_data,
-                .irq            = gpio_to_irq(EP93XX_GPIO_LINE_F(7)),
         }, {
                 I2C_BOARD_INFO("pca9539", 0x75),
                 .platform_data  = &pca953x_75_gpio_data,
@@ -348,6 +348,8 @@ static void __init vision_init_machine(void)
                                 "pca9539:74"))
                 pr_warn("cannot request interrupt gpio for pca9539:74\n");
 
+        vision_i2c_info[1].irq = gpio_to_irq(EP93XX_GPIO_LINE_F(7));
+
         ep93xx_register_i2c(&vision_i2c_gpio_data, vision_i2c_info,
                                 ARRAY_SIZE(vision_i2c_info));
         ep93xx_register_spi(&vision_spi_master, vision_spi_board_info,
diff --git a/arch/arm/mach-exynos/clock-exynos4210.c b/arch/arm/mach-exynos/clock-exynos4210.c
index a5823a7f249..13312ccb2d9 100644
--- a/arch/arm/mach-exynos/clock-exynos4210.c
+++ b/arch/arm/mach-exynos/clock-exynos4210.c
@@ -32,6 +32,7 @@
 
 #include "common.h"
 
+#ifdef CONFIG_PM_SLEEP
 static struct sleep_save exynos4210_clock_save[] = {
         SAVE_ITEM(S5P_CLKSRC_IMAGE),
         SAVE_ITEM(S5P_CLKSRC_LCD1),
@@ -42,6 +43,7 @@ static struct sleep_save exynos4210_clock_save[] = {
         SAVE_ITEM(S5P_CLKGATE_IP_LCD1),
         SAVE_ITEM(S5P_CLKGATE_IP_PERIR_4210),
 };
+#endif
 
 static struct clksrc_clk *sysclks[] = {
         /* nothing here yet */
diff --git a/arch/arm/mach-exynos/clock-exynos4212.c b/arch/arm/mach-exynos/clock-exynos4212.c
index 26a668b0d10..48af28566fa 100644
--- a/arch/arm/mach-exynos/clock-exynos4212.c
+++ b/arch/arm/mach-exynos/clock-exynos4212.c
@@ -32,12 +32,14 @@
 
 #include "common.h"
 
+#ifdef CONFIG_PM_SLEEP
 static struct sleep_save exynos4212_clock_save[] = {
         SAVE_ITEM(S5P_CLKSRC_IMAGE),
         SAVE_ITEM(S5P_CLKDIV_IMAGE),
         SAVE_ITEM(S5P_CLKGATE_IP_IMAGE_4212),
         SAVE_ITEM(S5P_CLKGATE_IP_PERIR_4212),
 };
+#endif
 
 static struct clk *clk_src_mpll_user_list[] = {
         [0] = &clk_fin_mpll,
diff --git a/arch/arm/mach-exynos/clock.c b/arch/arm/mach-exynos/clock.c
index 5a8c42e9000..187287aa57a 100644
--- a/arch/arm/mach-exynos/clock.c
+++ b/arch/arm/mach-exynos/clock.c
@@ -30,6 +30,7 @@
 
 #include "common.h"
 
+#ifdef CONFIG_PM_SLEEP
 static struct sleep_save exynos4_clock_save[] = {
         SAVE_ITEM(S5P_CLKDIV_LEFTBUS),
         SAVE_ITEM(S5P_CLKGATE_IP_LEFTBUS),
@@ -93,6 +94,7 @@ static struct sleep_save exynos4_clock_save[] = {
         SAVE_ITEM(S5P_CLKGATE_SCLKCPU),
         SAVE_ITEM(S5P_CLKGATE_IP_CPU),
 };
+#endif
 
 struct clk clk_sclk_hdmi27m = {
         .name           = "sclk_hdmi27m",
diff --git a/arch/arm/mach-exynos/mach-exynos4-dt.c b/arch/arm/mach-exynos/mach-exynos4-dt.c
index 85fa02767d6..e6b02fdf1b0 100644
--- a/arch/arm/mach-exynos/mach-exynos4-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos4-dt.c
@@ -15,11 +15,13 @@
 #include <linux/serial_core.h>
 
 #include <asm/mach/arch.h>
+#include <asm/hardware/gic.h>
 #include <mach/map.h>
 
 #include <plat/cpu.h>
 #include <plat/regs-serial.h>
-#include <plat/exynos4.h>
+
+#include "common.h"
 
 /*
  * The following lookup table is used to override device names when devices
@@ -60,7 +62,7 @@ static const struct of_dev_auxdata exynos4210_auxdata_lookup[] __initconst = {
 
 static void __init exynos4210_dt_map_io(void)
 {
-        s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+        exynos_init_io(NULL, 0);
         s3c24xx_init_clocks(24000000);
 }
 
@@ -79,7 +81,9 @@ DT_MACHINE_START(EXYNOS4210_DT, "Samsung Exynos4 (Flattened Device Tree)")
         /* Maintainer: Thomas Abraham <thomas.abraham@linaro.org> */
         .init_irq       = exynos4_init_irq,
         .map_io         = exynos4210_dt_map_io,
+        .handle_irq     = gic_handle_irq,
         .init_machine   = exynos4210_dt_machine_init,
         .timer          = &exynos4_timer,
         .dt_compat      = exynos4210_dt_compat,
+        .restart        = exynos4_restart,
 MACHINE_END
diff --git a/arch/arm/mach-exynos/mach-nuri.c b/arch/arm/mach-exynos/mach-nuri.c
index b895ec03110..435261f83f4 100644
--- a/arch/arm/mach-exynos/mach-nuri.c
+++ b/arch/arm/mach-exynos/mach-nuri.c
@@ -220,14 +220,14 @@ static struct s3c_fb_pd_win nuri_fb_win0 = {
                 .lower_margin   = 1,
                 .hsync_len      = 48,
                 .vsync_len      = 3,
-                .xres           = 1280,
-                .yres           = 800,
+                .xres           = 1024,
+                .yres           = 600,
                 .refresh        = 60,
         },
         .max_bpp        = 24,
         .default_bpp    = 16,
-        .virtual_x      = 1280,
-        .virtual_y      = 800,
+        .virtual_x      = 1024,
+        .virtual_y      = 2 * 600,
 };
 
 static struct s3c_fb_platdata nuri_fb_pdata __initdata = {
diff --git a/arch/arm/mach-exynos/mach-universal_c210.c b/arch/arm/mach-exynos/mach-universal_c210.c
index 37ac93e8d6d..0fc65ffde8f 100644
--- a/arch/arm/mach-exynos/mach-universal_c210.c
+++ b/arch/arm/mach-exynos/mach-universal_c210.c
@@ -910,7 +910,7 @@ static struct s5p_fimc_isp_info universal_camera_sensors[] = {
                 .bus_type       = FIMC_MIPI_CSI2,
                 .board_info     = &m5mols_board_info,
                 .i2c_bus_num    = 0,
-                .clk_frequency  = 21600000UL,
+                .clk_frequency  = 24000000UL,
                 .csi_data_align = 32,
         },
 };
diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c
index a4f61a43c7b..e1901305177 100644
--- a/arch/arm/mach-exynos/pm.c
+++ b/arch/arm/mach-exynos/pm.c
@@ -206,7 +206,7 @@ static void exynos4_pm_prepare(void)
 
 }
 
-static int exynos4_pm_add(struct device *dev)
+static int exynos4_pm_add(struct device *dev, struct subsys_interface *sif)
 {
         pm_cpu_prep = exynos4_pm_prepare;
         pm_cpu_sleep = exynos4_cpu_suspend;
@@ -384,7 +384,9 @@ static void exynos4_pm_resume(void)
 
         exynos4_restore_pll();
 
+#ifdef CONFIG_SMP
         scu_enable(S5P_VA_SCU);
+#endif
 
 #ifdef CONFIG_CACHE_L2X0
         s3c_pm_do_restore_core(exynos4_l2cc_save, ARRAY_SIZE(exynos4_l2cc_save));
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index cc15426787b..77d4852e19f 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -27,6 +27,7 @@
 #include <plat/cache-feroceon-l2.h>
 #include <plat/mvsdio.h>
 #include <plat/orion_nand.h>
+#include <plat/ehci-orion.h>
 #include <plat/common.h>
 #include <plat/time.h>
 #include <plat/addr-map.h>
@@ -73,7 +74,7 @@ unsigned int kirkwood_clk_ctrl = CGC_DUNIT | CGC_RESERVED;
 void __init kirkwood_ehci_init(void)
 {
         kirkwood_clk_ctrl |= CGC_USB0;
-        orion_ehci_init(USB_PHYS_BASE, IRQ_KIRKWOOD_USB);
+        orion_ehci_init(USB_PHYS_BASE, IRQ_KIRKWOOD_USB, EHCI_PHY_NA);
 }
 
 
diff --git a/arch/arm/mach-kirkwood/mpp.h b/arch/arm/mach-kirkwood/mpp.h
index e8fda45c073..d5a0d1da2e0 100644
--- a/arch/arm/mach-kirkwood/mpp.h
+++ b/arch/arm/mach-kirkwood/mpp.h
@@ -31,314 +31,314 @@
 #define MPP_F6282_MASK          MPP(  0, 0x0, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP0_GPIO               MPP(  0, 0x0, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP0_NF_IO2             MPP(  0, 0x1, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP0_SPI_SCn            MPP(  0, 0x2, 0, 1, 1,   1,   1,   1,   1 )
+#define MPP0_NF_IO2             MPP(  0, 0x1, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP0_SPI_SCn            MPP(  0, 0x2, 0, 0, 1,   1,   1,   1,   1 )
 
 #define MPP1_GPO                MPP(  1, 0x0, 0, 1, 1,   1,   1,   1,   1 )
-#define MPP1_NF_IO3             MPP(  1, 0x1, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP1_SPI_MOSI           MPP(  1, 0x2, 0, 1, 1,   1,   1,   1,   1 )
+#define MPP1_NF_IO3             MPP(  1, 0x1, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP1_SPI_MOSI           MPP(  1, 0x2, 0, 0, 1,   1,   1,   1,   1 )
 
 #define MPP2_GPO                MPP(  2, 0x0, 0, 1, 1,   1,   1,   1,   1 )
-#define MPP2_NF_IO4             MPP(  2, 0x1, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP2_SPI_SCK            MPP(  2, 0x2, 0, 1, 1,   1,   1,   1,   1 )
+#define MPP2_NF_IO4             MPP(  2, 0x1, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP2_SPI_SCK            MPP(  2, 0x2, 0, 0, 1,   1,   1,   1,   1 )
 
 #define MPP3_GPO                MPP(  3, 0x0, 0, 1, 1,   1,   1,   1,   1 )
-#define MPP3_NF_IO5             MPP(  3, 0x1, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP3_SPI_MISO           MPP(  3, 0x2, 1, 0, 1,   1,   1,   1,   1 )
+#define MPP3_NF_IO5             MPP(  3, 0x1, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP3_SPI_MISO           MPP(  3, 0x2, 0, 0, 1,   1,   1,   1,   1 )
 
 #define MPP4_GPIO               MPP(  4, 0x0, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP4_NF_IO6             MPP(  4, 0x1, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP4_UART0_RXD          MPP(  4, 0x2, 1, 0, 1,   1,   1,   1,   1 )
-#define MPP4_SATA1_ACTn         MPP(  4, 0x5, 0, 1, 0,   0,   1,   1,   1 )
+#define MPP4_NF_IO6             MPP(  4, 0x1, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP4_UART0_RXD          MPP(  4, 0x2, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP4_SATA1_ACTn         MPP(  4, 0x5, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP4_LCD_VGA_HSYNC      MPP(  4, 0xb, 0, 0, 0,   0,   0,   0,   1 )
-#define MPP4_PTP_CLK            MPP(  4, 0xd, 1, 0, 1,   1,   1,   1,   0 )
+#define MPP4_PTP_CLK            MPP(  4, 0xd, 0, 0, 1,   1,   1,   1,   0 )
 
 #define MPP5_GPO                MPP(  5, 0x0, 0, 1, 1,   1,   1,   1,   1 )
-#define MPP5_NF_IO7             MPP(  5, 0x1, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP5_UART0_TXD          MPP(  5, 0x2, 0, 1, 1,   1,   1,   1,   1 )
-#define MPP5_PTP_TRIG_GEN       MPP(  5, 0x4, 0, 1, 1,   1,   1,   1,   0 )
-#define MPP5_SATA0_ACTn         MPP(  5, 0x5, 0, 1, 0,   1,   1,   1,   1 )
+#define MPP5_NF_IO7             MPP(  5, 0x1, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP5_UART0_TXD          MPP(  5, 0x2, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP5_PTP_TRIG_GEN       MPP(  5, 0x4, 0, 0, 1,   1,   1,   1,   0 )
+#define MPP5_SATA0_ACTn         MPP(  5, 0x5, 0, 0, 0,   1,   1,   1,   1 )
 #define MPP5_LCD_VGA_VSYNC      MPP(  5, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
-#define MPP6_SYSRST_OUTn        MPP(  6, 0x1, 0, 1, 1,   1,   1,   1,   1 )
-#define MPP6_SPI_MOSI           MPP(  6, 0x2, 0, 1, 1,   1,   1,   1,   1 )
-#define MPP6_PTP_TRIG_GEN       MPP(  6, 0x3, 0, 1, 1,   1,   1,   1,   0 )
+#define MPP6_SYSRST_OUTn        MPP(  6, 0x1, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP6_SPI_MOSI           MPP(  6, 0x2, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP6_PTP_TRIG_GEN       MPP(  6, 0x3, 0, 0, 1,   1,   1,   1,   0 )
 
 #define MPP7_GPO                MPP(  7, 0x0, 0, 1, 1,   1,   1,   1,   1 )
-#define MPP7_PEX_RST_OUTn       MPP(  7, 0x1, 0, 1, 1,   1,   1,   1,   0 )
-#define MPP7_SPI_SCn            MPP(  7, 0x2, 0, 1, 1,   1,   1,   1,   1 )
-#define MPP7_PTP_TRIG_GEN       MPP(  7, 0x3, 0, 1, 1,   1,   1,   1,   0 )
-#define MPP7_LCD_PWM            MPP(  7, 0xb, 0, 1, 0,   0,   0,   0,   1 )
+#define MPP7_PEX_RST_OUTn       MPP(  7, 0x1, 0, 0, 1,   1,   1,   1,   0 )
+#define MPP7_SPI_SCn            MPP(  7, 0x2, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP7_PTP_TRIG_GEN       MPP(  7, 0x3, 0, 0, 1,   1,   1,   1,   0 )
+#define MPP7_LCD_PWM            MPP(  7, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP8_GPIO               MPP(  8, 0x0, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP8_TW0_SDA            MPP(  8, 0x1, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP8_UART0_RTS          MPP(  8, 0x2, 0, 1, 1,   1,   1,   1,   1 )
-#define MPP8_UART1_RTS          MPP(  8, 0x3, 0, 1, 1,   1,   1,   1,   1 )
-#define MPP8_MII0_RXERR         MPP(  8, 0x4, 1, 0, 0,   1,   1,   1,   1 )
-#define MPP8_SATA1_PRESENTn     MPP(  8, 0x5, 0, 1, 0,   0,   1,   1,   1 )
-#define MPP8_PTP_CLK            MPP(  8, 0xc, 1, 0, 1,   1,   1,   1,   0 )
-#define MPP8_MII0_COL           MPP(  8, 0xd, 1, 0, 1,   1,   1,   1,   1 )
+#define MPP8_TW0_SDA            MPP(  8, 0x1, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP8_UART0_RTS          MPP(  8, 0x2, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP8_UART1_RTS          MPP(  8, 0x3, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP8_MII0_RXERR         MPP(  8, 0x4, 0, 0, 0,   1,   1,   1,   1 )
+#define MPP8_SATA1_PRESENTn     MPP(  8, 0x5, 0, 0, 0,   0,   1,   1,   1 )
+#define MPP8_PTP_CLK            MPP(  8, 0xc, 0, 0, 1,   1,   1,   1,   0 )
+#define MPP8_MII0_COL           MPP(  8, 0xd, 0, 0, 1,   1,   1,   1,   1 )
 
 #define MPP9_GPIO               MPP(  9, 0x0, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP9_TW0_SCK            MPP(  9, 0x1, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP9_UART0_CTS          MPP(  9, 0x2, 1, 0, 1,   1,   1,   1,   1 )
-#define MPP9_UART1_CTS          MPP(  9, 0x3, 1, 0, 1,   1,   1,   1,   1 )
-#define MPP9_SATA0_PRESENTn     MPP(  9, 0x5, 0, 1, 0,   1,   1,   1,   1 )
-#define MPP9_PTP_EVENT_REQ      MPP(  9, 0xc, 1, 0, 1,   1,   1,   1,   0 )
-#define MPP9_MII0_CRS           MPP(  9, 0xd, 1, 0, 1,   1,   1,   1,   1 )
+#define MPP9_TW0_SCK            MPP(  9, 0x1, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP9_UART0_CTS          MPP(  9, 0x2, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP9_UART1_CTS          MPP(  9, 0x3, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP9_SATA0_PRESENTn     MPP(  9, 0x5, 0, 0, 0,   1,   1,   1,   1 )
+#define MPP9_PTP_EVENT_REQ      MPP(  9, 0xc, 0, 0, 1,   1,   1,   1,   0 )
+#define MPP9_MII0_CRS           MPP(  9, 0xd, 0, 0, 1,   1,   1,   1,   1 )
 
 #define MPP10_GPO               MPP( 10, 0x0, 0, 1, 1,   1,   1,   1,   1 )
-#define MPP10_SPI_SCK           MPP( 10, 0x2, 0, 1, 1,   1,   1,   1,   1 )
-#define MPP10_UART0_TXD         MPP( 10, 0X3, 0, 1, 1,   1,   1,   1,   1 )
-#define MPP10_SATA1_ACTn        MPP( 10, 0x5, 0, 1, 0,   0,   1,   1,   1 )
-#define MPP10_PTP_TRIG_GEN      MPP( 10, 0xc, 0, 1, 1,   1,   1,   1,   0 )
+#define MPP10_SPI_SCK           MPP( 10, 0x2, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP10_UART0_TXD         MPP( 10, 0X3, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP10_SATA1_ACTn        MPP( 10, 0x5, 0, 0, 0,   0,   1,   1,   1 )
+#define MPP10_PTP_TRIG_GEN      MPP( 10, 0xc, 0, 0, 1,   1,   1,   1,   0 )
 
 #define MPP11_GPIO              MPP( 11, 0x0, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP11_SPI_MISO          MPP( 11, 0x2, 1, 0, 1,   1,   1,   1,   1 )
-#define MPP11_UART0_RXD         MPP( 11, 0x3, 1, 0, 1,   1,   1,   1,   1 )
-#define MPP11_PTP_EVENT_REQ     MPP( 11, 0x4, 1, 0, 1,   1,   1,   1,   0 )
-#define MPP11_PTP_TRIG_GEN      MPP( 11, 0xc, 0, 1, 1,   1,   1,   1,   0 )
-#define MPP11_PTP_CLK           MPP( 11, 0xd, 1, 0, 1,   1,   1,   1,   0 )
-#define MPP11_SATA0_ACTn        MPP( 11, 0x5, 0, 1, 0,   1,   1,   1,   1 )
+#define MPP11_SPI_MISO          MPP( 11, 0x2, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP11_UART0_RXD         MPP( 11, 0x3, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP11_PTP_EVENT_REQ     MPP( 11, 0x4, 0, 0, 1,   1,   1,   1,   0 )
+#define MPP11_PTP_TRIG_GEN      MPP( 11, 0xc, 0, 0, 1,   1,   1,   1,   0 )
+#define MPP11_PTP_CLK           MPP( 11, 0xd, 0, 0, 1,   1,   1,   1,   0 )
+#define MPP11_SATA0_ACTn        MPP( 11, 0x5, 0, 0, 0,   1,   1,   1,   1 )
 
 #define MPP12_GPO               MPP( 12, 0x0, 0, 1, 1,   1,   1,   1,   1 )
 #define MPP12_GPIO              MPP( 12, 0x0, 1, 1, 0,   0,   0,   1,   0 )
-#define MPP12_SD_CLK            MPP( 12, 0x1, 0, 1, 1,   1,   1,   1,   1 )
-#define MPP12_AU_SPDIF0         MPP( 12, 0xa, 0, 1, 0,   0,   0,   0,   1 )
-#define MPP12_SPI_MOSI          MPP( 12, 0xb, 0, 1, 0,   0,   0,   0,   1 )
-#define MPP12_TW1_SDA           MPP( 12, 0xd, 1, 0, 0,   0,   0,   0,   1 )
+#define MPP12_SD_CLK            MPP( 12, 0x1, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP12_AU_SPDIF0         MPP( 12, 0xa, 0, 0, 0,   0,   0,   0,   1 )
+#define MPP12_SPI_MOSI          MPP( 12, 0xb, 0, 0, 0,   0,   0,   0,   1 )
+#define MPP12_TW1_SDA           MPP( 12, 0xd, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP13_GPIO              MPP( 13, 0x0, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP13_SD_CMD            MPP( 13, 0x1, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP13_UART1_TXD         MPP( 13, 0x3, 0, 1, 1,   1,   1,   1,   1 )
-#define MPP13_AU_SPDIFRMCLK     MPP( 13, 0xa, 0, 1, 0,   0,   0,   0,   1 )
-#define MPP13_LCDPWM            MPP( 13, 0xb, 0, 1, 0,   0,   0,   0,   1 )
+#define MPP13_SD_CMD            MPP( 13, 0x1, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP13_UART1_TXD         MPP( 13, 0x3, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP13_AU_SPDIFRMCLK     MPP( 13, 0xa, 0, 0, 0,   0,   0,   0,   1 )
+#define MPP13_LCDPWM            MPP( 13, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP14_GPIO              MPP( 14, 0x0, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP14_SD_D0             MPP( 14, 0x1, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP14_UART1_RXD         MPP( 14, 0x3, 1, 0, 1,   1,   1,   1,   1 )
-#define MPP14_SATA1_PRESENTn    MPP( 14, 0x4, 0, 1, 0,   0,   1,   1,   1 )
-#define MPP14_AU_SPDIFI         MPP( 14, 0xa, 1, 0, 0,   0,   0,   0,   1 )
-#define MPP14_AU_I2SDI          MPP( 14, 0xb, 1, 0, 0,   0,   0,   0,   1 )
-#define MPP14_MII0_COL          MPP( 14, 0xd, 1, 0, 1,   1,   1,   1,   1 )
+#define MPP14_SD_D0             MPP( 14, 0x1, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP14_UART1_RXD         MPP( 14, 0x3, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP14_SATA1_PRESENTn    MPP( 14, 0x4, 0, 0, 0,   0,   1,   1,   1 )
+#define MPP14_AU_SPDIFI         MPP( 14, 0xa, 0, 0, 0,   0,   0,   0,   1 )
+#define MPP14_AU_I2SDI          MPP( 14, 0xb, 0, 0, 0,   0,   0,   0,   1 )
+#define MPP14_MII0_COL          MPP( 14, 0xd, 0, 0, 1,   1,   1,   1,   1 )
 
 #define MPP15_GPIO              MPP( 15, 0x0, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP15_SD_D1             MPP( 15, 0x1, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP15_UART0_RTS         MPP( 15, 0x2, 0, 1, 1,   1,   1,   1,   1 )
-#define MPP15_UART1_TXD         MPP( 15, 0x3, 0, 1, 1,   1,   1,   1,   1 )
-#define MPP15_SATA0_ACTn        MPP( 15, 0x4, 0, 1, 0,   1,   1,   1,   1 )
-#define MPP15_SPI_CSn           MPP( 15, 0xb, 0, 1, 0,   0,   0,   0,   1 )
+#define MPP15_SD_D1             MPP( 15, 0x1, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP15_UART0_RTS         MPP( 15, 0x2, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP15_UART1_TXD         MPP( 15, 0x3, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP15_SATA0_ACTn        MPP( 15, 0x4, 0, 0, 0,   1,   1,   1,   1 )
+#define MPP15_SPI_CSn           MPP( 15, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP16_GPIO              MPP( 16, 0x0, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP16_SD_D2             MPP( 16, 0x1, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP16_UART0_CTS         MPP( 16, 0x2, 1, 0, 1,   1,   1,   1,   1 )
-#define MPP16_UART1_RXD         MPP( 16, 0x3, 1, 0, 1,   1,   1,   1,   1 )
-#define MPP16_SATA1_ACTn        MPP( 16, 0x4, 0, 1, 0,   0,   1,   1,   1 )
-#define MPP16_LCD_EXT_REF_CLK   MPP( 16, 0xb, 1, 0, 0,   0,   0,   0,   1 )
-#define MPP16_MII0_CRS          MPP( 16, 0xd, 1, 0, 1,   1,   1,   1,   1 )
+#define MPP16_SD_D2             MPP( 16, 0x1, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP16_UART0_CTS         MPP( 16, 0x2, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP16_UART1_RXD         MPP( 16, 0x3, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP16_SATA1_ACTn        MPP( 16, 0x4, 0, 0, 0,   0,   1,   1,   1 )
+#define MPP16_LCD_EXT_REF_CLK   MPP( 16, 0xb, 0, 0, 0,   0,   0,   0,   1 )
+#define MPP16_MII0_CRS          MPP( 16, 0xd, 0, 0, 1,   1,   1,   1,   1 )
 
 #define MPP17_GPIO              MPP( 17, 0x0, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP17_SD_D3             MPP( 17, 0x1, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP17_SATA0_PRESENTn    MPP( 17, 0x4, 0, 1, 0,   1,   1,   1,   1 )
-#define MPP17_SATA1_ACTn        MPP( 17, 0xa, 0, 1, 0,   0,   0,   0,   1 )
-#define MPP17_TW1_SCK           MPP( 17, 0xd, 1, 1, 0,   0,   0,   0,   1 )
+#define MPP17_SD_D3             MPP( 17, 0x1, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP17_SATA0_PRESENTn    MPP( 17, 0x4, 0, 0, 0,   1,   1,   1,   1 )
+#define MPP17_SATA1_ACTn        MPP( 17, 0xa, 0, 0, 0,   0,   0,   0,   1 )
+#define MPP17_TW1_SCK           MPP( 17, 0xd, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP18_GPO               MPP( 18, 0x0, 0, 1, 1,   1,   1,   1,   1 )
-#define MPP18_NF_IO0            MPP( 18, 0x1, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP18_PEX0_CLKREQ       MPP( 18, 0x2, 0, 1, 0,   0,   0,   0,   1 )
+#define MPP18_NF_IO0            MPP( 18, 0x1, 0, 0, 1,   1,   1,   1,   1 )
+#define MPP18_PEX0_CLKREQ       MPP( 18, 0x2, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP19_GPO               MPP( 19, 0x0, 0, 1, 1,   1,   1,   1,   1 )
-#define MPP19_NF_IO1            MPP( 19, 0x1, 1, 1, 1,   1,   1,   1,   1 )
+#define MPP19_NF_IO1            MPP( 19, 0x1, 0, 0, 1,   1,   1,   1,   1 )
 
 #define MPP20_GPIO              MPP( 20, 0x0, 1, 1, 0,   1,   1,   1,   1 )
-#define MPP20_TSMP0             MPP( 20, 0x1, 1, 1, 0,   0,   1,   1,   1 )
-#define MPP20_TDM_CH0_TX_QL     MPP( 20, 0x2, 0, 1, 0,   0,   1,   1,   1 )
+#define MPP20_TSMP0             MPP( 20, 0x1, 0, 0, 0,   0,   1,   1,   1 )
+#define MPP20_TDM_CH0_TX_QL     MPP( 20, 0x2, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP20_GE1_TXD0          MPP( 20, 0x3, 0, 0, 0,   1,   1,   1,   1 )
-#define MPP20_AU_SPDIFI         MPP( 20, 0x4, 1, 0, 0,   0,   1,   1,   1 )
-#define MPP20_SATA1_ACTn        MPP( 20, 0x5, 0, 1, 0,   0,   1,   1,   1 )
+#define MPP20_AU_SPDIFI         MPP( 20, 0x4, 0, 0, 0,   0,   1,   1,   1 )
+#define MPP20_SATA1_ACTn        MPP( 20, 0x5, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP20_LCD_D0            MPP( 20, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP21_GPIO              MPP( 21, 0x0, 1, 1, 0,   1,   1,   1,   1 )
-#define MPP21_TSMP1             MPP( 21, 0x1, 1, 1, 0,   0,   1,   1,   1 )
-#define MPP21_TDM_CH0_RX_QL     MPP( 21, 0x2, 0, 1, 0,   0,   1,   1,   1 )
+#define MPP21_TSMP1             MPP( 21, 0x1, 0, 0, 0,   0,   1,   1,   1 )
+#define MPP21_TDM_CH0_RX_QL     MPP( 21, 0x2, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP21_GE1_TXD1          MPP( 21, 0x3, 0, 0, 0,   1,   1,   1,   1 )
-#define MPP21_AU_SPDIFO         MPP( 21, 0x4, 0, 1, 0,   0,   1,   1,   1 )
-#define MPP21_SATA0_ACTn        MPP( 21, 0x5, 0, 1, 0,   1,   1,   1,   1 )
+#define MPP21_AU_SPDIFO         MPP( 21, 0x4, 0, 0, 0,   0,   1,   1,   1 )
+#define MPP21_SATA0_ACTn        MPP( 21, 0x5, 0, 0, 0,   1,   1,   1,   1 )
 #define MPP21_LCD_D1            MPP( 21, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP22_GPIO              MPP( 22, 0x0, 1, 1, 0,   1,   1,   1,   1 )
-#define MPP22_TSMP2             MPP( 22, 0x1, 1, 1, 0,   0,   1,   1,   1 )
-#define MPP22_TDM_CH2_TX_QL     MPP( 22, 0x2, 0, 1, 0,   0,   1,   1,   1 )
+#define MPP22_TSMP2             MPP( 22, 0x1, 0, 0, 0,   0,   1,   1,   1 )
+#define MPP22_TDM_CH2_TX_QL     MPP( 22, 0x2, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP22_GE1_TXD2          MPP( 22, 0x3, 0, 0, 0,   1,   1,   1,   1 )
-#define MPP22_AU_SPDIFRMKCLK    MPP( 22, 0x4, 0, 1, 0,   0,   1,   1,   1 )
-#define MPP22_SATA1_PRESENTn    MPP( 22, 0x5, 0, 1, 0,   0,   1,   1,   1 )
+#define MPP22_AU_SPDIFRMKCLK    MPP( 22, 0x4, 0, 0, 0,   0,   1,   1,   1 )
+#define MPP22_SATA1_PRESENTn    MPP( 22, 0x5, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP22_LCD_D2            MPP( 22, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP23_GPIO              MPP( 23, 0x0, 1, 1, 0,   1,   1,   1,   1 )
-#define MPP23_TSMP3             MPP( 23, 0x1, 1, 1, 0,   0,   1,   1,   1 )
-#define MPP23_TDM_CH2_RX_QL     MPP( 23, 0x2, 1, 0, 0,   0,   1,   1,   1 )
+#define MPP23_TSMP3             MPP( 23, 0x1, 0, 0, 0,   0,   1,   1,   1 )
+#define MPP23_TDM_CH2_RX_QL     MPP( 23, 0x2, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP23_GE1_TXD3          MPP( 23, 0x3, 0, 0, 0,   1,   1,   1,   1 )
-#define MPP23_AU_I2SBCLK        MPP( 23, 0x4, 0, 1, 0,   0,   1,   1,   1 )
-#define MPP23_SATA0_PRESENTn    MPP( 23, 0x5, 0, 1, 0,   1,   1,   1,   1 )
+#define MPP23_AU_I2SBCLK        MPP( 23, 0x4, 0, 0, 0,   0,   1,   1,   1 )
+#define MPP23_SATA0_PRESENTn    MPP( 23, 0x5, 0, 0, 0,   1,   1,   1,   1 )
 #define MPP23_LCD_D3            MPP( 23, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP24_GPIO              MPP( 24, 0x0, 1, 1, 0,   1,   1,   1,   1 )
-#define MPP24_TSMP4             MPP( 24, 0x1, 1, 1, 0,   0,   1,   1,   1 )
-#define MPP24_TDM_SPI_CS0       MPP( 24, 0x2, 0, 1, 0,   0,   1,   1,   1 )
+#define MPP24_TSMP4             MPP( 24, 0x1, 0, 0, 0,   0,   1,   1,   1 )
+#define MPP24_TDM_SPI_CS0       MPP( 24, 0x2, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP24_GE1_RXD0          MPP( 24, 0x3, 0, 0, 0,   1,   1,   1,   1 )
-#define MPP24_AU_I2SDO          MPP( 24, 0x4, 0, 1, 0,   0,   1,   1,   1 )
+#define MPP24_AU_I2SDO          MPP( 24, 0x4, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP24_LCD_D4            MPP( 24, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP25_GPIO              MPP( 25, 0x0, 1, 1, 0,   1,   1,   1,   1 )
-#define MPP25_TSMP5             MPP( 25, 0x1, 1, 1, 0,   0,   1,   1,   1 )
-#define MPP25_TDM_SPI_SCK       MPP( 25, 0x2, 0, 1, 0,   0,   1,   1,   1 )
+#define MPP25_TSMP5             MPP( 25, 0x1, 0, 0, 0,   0,   1,   1,   1 )
+#define MPP25_TDM_SPI_SCK       MPP( 25, 0x2, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP25_GE1_RXD1          MPP( 25, 0x3, 0, 0, 0,   1,   1,   1,   1 )
-#define MPP25_AU_I2SLRCLK       MPP( 25, 0x4, 0, 1, 0,   0,   1,   1,   1 )
+#define MPP25_AU_I2SLRCLK       MPP( 25, 0x4, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP25_LCD_D5            MPP( 25, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP26_GPIO              MPP( 26, 0x0, 1, 1, 0,   1,   1,   1,   1 )
-#define MPP26_TSMP6             MPP( 26, 0x1, 1, 1, 0,   0,   1,   1,   1 )
-#define MPP26_TDM_SPI_MISO      MPP( 26, 0x2, 1, 0, 0,   0,   1,   1,   1 )
+#define MPP26_TSMP6             MPP( 26, 0x1, 0, 0, 0,   0,   1,   1,   1 )
+#define MPP26_TDM_SPI_MISO      MPP( 26, 0x2, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP26_GE1_RXD2          MPP( 26, 0x3, 0, 0, 0,   1,   1,   1,   1 )
-#define MPP26_AU_I2SMCLK        MPP( 26, 0x4, 0, 1, 0,   0,   1,   1,   1 )
+#define MPP26_AU_I2SMCLK        MPP( 26, 0x4, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP26_LCD_D6            MPP( 26, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP27_GPIO              MPP( 27, 0x0, 1, 1, 0,   1,   1,   1,   1 )
-#define MPP27_TSMP7             MPP( 27, 0x1, 1, 1, 0,   0,   1,   1,   1 )
-#define MPP27_TDM_SPI_MOSI      MPP( 27, 0x2, 0, 1, 0,   0,   1,   1,   1 )
+#define MPP27_TSMP7             MPP( 27, 0x1, 0, 0, 0,   0,   1,   1,   1 )
+#define MPP27_TDM_SPI_MOSI      MPP( 27, 0x2, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP27_GE1_RXD3          MPP( 27, 0x3, 0, 0, 0,   1,   1,   1,   1 )
-#define MPP27_AU_I2SDI          MPP( 27, 0x4, 1, 0, 0,   0,   1,   1,   1 )
+#define MPP27_AU_I2SDI          MPP( 27, 0x4, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP27_LCD_D7            MPP( 27, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP28_GPIO              MPP( 28, 0x0, 1, 1, 0,   1,   1,   1,   1 )
-#define MPP28_TSMP8             MPP( 28, 0x1, 1, 1, 0,   0,   1,   1,   1 )
+#define MPP28_TSMP8             MPP( 28, 0x1, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP28_TDM_CODEC_INTn    MPP( 28, 0x2, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP28_GE1_COL           MPP( 28, 0x3, 0, 0, 0,   1,   1,   1,   1 )
-#define MPP28_AU_EXTCLK         MPP( 28, 0x4, 1, 0, 0,   0,   1,   1,   1 )
+#define MPP28_AU_EXTCLK         MPP( 28, 0x4, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP28_LCD_D8            MPP( 28, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP29_GPIO              MPP( 29, 0x0, 1, 1, 0,   1,   1,   1,   1 )
-#define MPP29_TSMP9             MPP( 29, 0x1, 1, 1, 0,   0,   1,   1,   1 )
+#define MPP29_TSMP9             MPP( 29, 0x1, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP29_TDM_CODEC_RSTn    MPP( 29, 0x2, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP29_GE1_TCLK          MPP( 29, 0x3, 0, 0, 0,   1,   1,   1,   1 )
 #define MPP29_LCD_D9            MPP( 29, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP30_GPIO              MPP( 30, 0x0, 1, 1, 0,   1,   1,   1,   1 )
-#define MPP30_TSMP10            MPP( 30, 0x1, 1, 1, 0,   0,   1,   1,   1 )
-#define MPP30_TDM_PCLK          MPP( 30, 0x2, 1, 1, 0,   0,   1,   1,   1 )
+#define MPP30_TSMP10            MPP( 30, 0x1, 0, 0, 0,   0,   1,   1,   1 )
+#define MPP30_TDM_PCLK          MPP( 30, 0x2, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP30_GE1_RXCTL         MPP( 30, 0x3, 0, 0, 0,   1,   1,   1,   1 )
 #define MPP30_LCD_D10           MPP( 30, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP31_GPIO              MPP( 31, 0x0, 1, 1, 0,   1,   1,   1,   1 )
-#define MPP31_TSMP11            MPP( 31, 0x1, 1, 1, 0,   0,   1,   1,   1 )
-#define MPP31_TDM_FS            MPP( 31, 0x2, 1, 1, 0,   0,   1,   1,   1 )
+#define MPP31_TSMP11            MPP( 31, 0x1, 0, 0, 0,   0,   1,   1,   1 )
+#define MPP31_TDM_FS            MPP( 31, 0x2, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP31_GE1_RXCLK         MPP( 31, 0x3, 0, 0, 0,   1,   1,   1,   1 )
 #define MPP31_LCD_D11           MPP( 31, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP32_GPIO              MPP( 32, 0x0, 1, 1, 0,   1,   1,   1,   1 )
-#define MPP32_TSMP12            MPP( 32, 0x1, 1, 1, 0,   0,   1,   1,   1 )
-#define MPP32_TDM_DRX           MPP( 32, 0x2, 1, 0, 0,   0,   1,   1,   1 )
+#define MPP32_TSMP12            MPP( 32, 0x1, 0, 0, 0,   0,   1,   1,   1 )
+#define MPP32_TDM_DRX           MPP( 32, 0x2, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP32_GE1_TCLKOUT       MPP( 32, 0x3, 0, 0, 0,   1,   1,   1,   1 )
 #define MPP32_LCD_D12           MPP( 32, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP33_GPO               MPP( 33, 0x0, 0, 1, 0,   1,   1,   1,   1 )
-#define MPP33_TDM_DTX           MPP( 33, 0x2, 0, 1, 0,   0,   1,   1,   1 )
+#define MPP33_TDM_DTX           MPP( 33, 0x2, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP33_GE1_TXCTL         MPP( 33, 0x3, 0, 0, 0,   1,   1,   1,   1 )
 #define MPP33_LCD_D13           MPP( 33, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP34_GPIO              MPP( 34, 0x0, 1, 1, 0,   1,   1,   1,   1 )
-#define MPP34_TDM_SPI_CS1       MPP( 34, 0x2, 0, 1, 0,   0,   1,   1,   1 )
+#define MPP34_TDM_SPI_CS1       MPP( 34, 0x2, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP34_GE1_TXEN          MPP( 34, 0x3, 0, 0, 0,   1,   1,   1,   1 )
-#define MPP34_SATA1_ACTn        MPP( 34, 0x5, 0, 1, 0,   0,   0,   1,   1 )
+#define MPP34_SATA1_ACTn        MPP( 34, 0x5, 0, 0, 0,   0,   0,   1,   1 )
 #define MPP34_LCD_D14           MPP( 34, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP35_GPIO              MPP( 35, 0x0, 1, 1, 1,   1,   1,   1,   1 )
-#define MPP35_TDM_CH0_TX_QL     MPP( 35, 0x2, 0, 1, 0,   0,   1,   1,   1 )
+#define MPP35_TDM_CH0_TX_QL     MPP( 35, 0x2, 0, 0, 0,   0,   1,   1,   1 )
 #define MPP35_GE1_RXERR         MPP( 35, 0x3, 0, 0, 0,   1,   1,   1,   1 )
-#define MPP35_SATA0_ACTn        MPP( 35, 0x5, 0, 1, 0,   1,   1,   1,   1 )
+#define MPP35_SATA0_ACTn        MPP( 35, 0x5, 0, 0, 0,   1,   1,   1,   1 )
 #define MPP35_LCD_D15           MPP( 22, 0xb, 0, 0, 0,   0,   0,   0,   1 )
-#define MPP35_MII0_RXERR        MPP( 35, 0xc, 1, 0, 1,   1,   1,   1,   1 )
+#define MPP35_MII0_RXERR        MPP( 35, 0xc, 0, 0, 1,   1,   1,   1,   1 )
 
 #define MPP36_GPIO              MPP( 36, 0x0, 1, 1, 1,   0,   0,   1,   1 )
-#define MPP36_TSMP0             MPP( 36, 0x1, 1, 1, 0,   0,   0,   1,   1 )
-#define MPP36_TDM_SPI_CS1       MPP( 36, 0x2, 0, 1, 0,   0,   0,   1,   1 )
-#define MPP36_AU_SPDIFI         MPP( 36, 0x4, 1, 0, 1,   0,   0,   1,   1 )
-#define MPP36_TW1_SDA           MPP( 36, 0xb, 1, 1, 0,   0,   0,   0,   1 )
+#define MPP36_TSMP0             MPP( 36, 0x1, 0, 0, 0,   0,   0,   1,   1 )
+#define MPP36_TDM_SPI_CS1       MPP( 36, 0x2, 0, 0, 0,   0,   0,   1,   1 )
+#define MPP36_AU_SPDIFI         MPP( 36, 0x4, 0, 0, 1,   0,   0,   1,   1 )
+#define MPP36_TW1_SDA           MPP( 36, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP37_GPIO              MPP( 37, 0x0, 1, 1, 1,   0,   0,   1,   1 )
-#define MPP37_TSMP1             MPP( 37, 0x1, 1, 1, 0,   0,   0,   1,   1 )
-#define MPP37_TDM_CH2_TX_QL     MPP( 37, 0x2, 0, 1, 0,   0,   0,   1,   1 )
-#define MPP37_AU_SPDIFO         MPP( 37, 0x4, 0, 1, 1,   0,   0,   1,   1 )
-#define MPP37_TW1_SCK           MPP( 37, 0xb, 1, 1, 0,   0,   0,   0,   1 )
+#define MPP37_TSMP1             MPP( 37, 0x1, 0, 0, 0,   0,   0,   1,   1 )
+#define MPP37_TDM_CH2_TX_QL     MPP( 37, 0x2, 0, 0, 0,   0,   0,   1,   1 )
+#define MPP37_AU_SPDIFO         MPP( 37, 0x4, 0, 0, 1,   0,   0,   1,   1 )
+#define MPP37_TW1_SCK           MPP( 37, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP38_GPIO              MPP( 38, 0x0, 1, 1, 1,   0,   0,   1,   1 )
-#define MPP38_TSMP2             MPP( 38, 0x1, 1, 1, 0,   0,   0,   1,   1 )
-#define MPP38_TDM_CH2_RX_QL     MPP( 38, 0x2, 0, 1, 0,   0,   0,   1,   1 )
-#define MPP38_AU_SPDIFRMLCLK    MPP( 38, 0x4, 0, 1, 1,   0,   0,   1,   1 )
+#define MPP38_TSMP2             MPP( 38, 0x1, 0, 0, 0,   0,   0,   1,   1 )
+#define MPP38_TDM_CH2_RX_QL     MPP( 38, 0x2, 0, 0, 0,   0,   0,   1,   1 )
+#define MPP38_AU_SPDIFRMLCLK    MPP( 38, 0x4, 0, 0, 1,   0,   0,   1,   1 )
 #define MPP38_LCD_D18           MPP( 38, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP39_GPIO              MPP( 39, 0x0, 1, 1, 1,   0,   0,   1,   1 )
-#define MPP39_TSMP3             MPP( 39, 0x1, 1, 1, 0,   0,   0,   1,   1 )
-#define MPP39_TDM_SPI_CS0       MPP( 39, 0x2, 0, 1, 0,   0,   0,   1,   1 )
-#define MPP39_AU_I2SBCLK        MPP( 39, 0x4, 0, 1, 1,   0,   0,   1,   1 )
+#define MPP39_TSMP3             MPP( 39, 0x1, 0, 0, 0,   0,   0,   1,   1 )
+#define MPP39_TDM_SPI_CS0       MPP( 39, 0x2, 0, 0, 0,   0,   0,   1,   1 )
+#define MPP39_AU_I2SBCLK        MPP( 39, 0x4, 0, 0, 1,   0,   0,   1,   1 )
 #define MPP39_LCD_D19           MPP( 39, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP40_GPIO              MPP( 40, 0x0, 1, 1, 1,   0,   0,   1,   1 )
-#define MPP40_TSMP4             MPP( 40, 0x1, 1, 1, 0,   0,   0,   1,   1 )
-#define MPP40_TDM_SPI_SCK       MPP( 40, 0x2, 0, 1, 0,   0,   0,   1,   1 )
-#define MPP40_AU_I2SDO          MPP( 40, 0x4, 0, 1, 1,   0,   0,   1,   1 )
+#define MPP40_TSMP4             MPP( 40, 0x1, 0, 0, 0,   0,   0,   1,   1 )
+#define MPP40_TDM_SPI_SCK       MPP( 40, 0x2, 0, 0, 0,   0,   0,   1,   1 )
+#define MPP40_AU_I2SDO          MPP( 40, 0x4, 0, 0, 1,   0,   0,   1,   1 )
 #define MPP40_LCD_D20           MPP( 40, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP41_GPIO              MPP( 41, 0x0, 1, 1, 1,   0,   0,   1,   1 )
-#define MPP41_TSMP5             MPP( 41, 0x1, 1, 1, 0,   0,   0,   1,   1 )
-#define MPP41_TDM_SPI_MISO      MPP( 41, 0x2, 1, 0, 0,   0,   0,   1,   1 )
-#define MPP41_AU_I2SLRCLK       MPP( 41, 0x4, 0, 1, 1,   0,   0,   1,   1 )
+#define MPP41_TSMP5             MPP( 41, 0x1, 0, 0, 0,   0,   0,   1,   1 )
+#define MPP41_TDM_SPI_MISO      MPP( 41, 0x2, 0, 0, 0,   0,   0,   1,   1 )
+#define MPP41_AU_I2SLRCLK       MPP( 41, 0x4, 0, 0, 1,   0,   0,   1,   1 )
 #define MPP41_LCD_D21           MPP( 41, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP42_GPIO              MPP( 42, 0x0, 1, 1, 1,   0,   0,   1,   1 )
-#define MPP42_TSMP6             MPP( 42, 0x1, 1, 1, 0,   0,   0,   1,   1 )
-#define MPP42_TDM_SPI_MOSI      MPP( 42, 0x2, 0, 1, 0,   0,   0,   1,   1 )
-#define MPP42_AU_I2SMCLK        MPP( 42, 0x4, 0, 1, 1,   0,   0,   1,   1 )
+#define MPP42_TSMP6             MPP( 42, 0x1, 0, 0, 0,   0,   0,   1,   1 )
+#define MPP42_TDM_SPI_MOSI      MPP( 42, 0x2, 0, 0, 0,   0,   0,   1,   1 )
+#define MPP42_AU_I2SMCLK        MPP( 42, 0x4, 0, 0, 1,   0,   0,   1,   1 )
 #define MPP42_LCD_D22           MPP( 42, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP43_GPIO              MPP( 43, 0x0, 1, 1, 1,   0,   0,   1,   1 )
-#define MPP43_TSMP7             MPP( 43, 0x1, 1, 1, 0,   0,   0,   1,   1 )
+#define MPP43_TSMP7             MPP( 43, 0x1, 0, 0, 0,   0,   0,   1,   1 )
 #define MPP43_TDM_CODEC_INTn    MPP( 43, 0x2, 0, 0, 0,   0,   0,   1,   1 )
-#define MPP43_AU_I2SDI          MPP( 43, 0x4, 1, 0, 1,   0,   0,   1,   1 )
+#define MPP43_AU_I2SDI          MPP( 43, 0x4, 0, 0, 1,   0,   0,   1,   1 )
 #define MPP43_LCD_D23           MPP( 22, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP44_GPIO              MPP( 44, 0x0, 1, 1, 1,   0,   0,   1,   1 )
-#define MPP44_TSMP8             MPP( 44, 0x1, 1, 1, 0,   0,   0,   1,   1 )
+#define MPP44_TSMP8             MPP( 44, 0x1, 0, 0, 0,   0,   0,   1,   1 )
 #define MPP44_TDM_CODEC_RSTn    MPP( 44, 0x2, 0, 0, 0,   0,   0,   1,   1 )
-#define MPP44_AU_EXTCLK         MPP( 44, 0x4, 1, 0, 1,   0,   0,   1,   1 )
+#define MPP44_AU_EXTCLK         MPP( 44, 0x4, 0, 0, 1,   0,   0,   1,   1 )
 #define MPP44_LCD_CLK           MPP( 44, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP45_GPIO              MPP( 45, 0x0, 1, 1, 0,   0,   0,   1,   1 )
-#define MPP45_TSMP9             MPP( 45, 0x1, 1, 1, 0,   0,   0,   1,   1 )
-#define MPP45_TDM_PCLK          MPP( 45, 0x2, 1, 1, 0,   0,   0,   1,   1 )
+#define MPP45_TSMP9             MPP( 45, 0x1, 0, 0, 0,   0,   0,   1,   1 )
+#define MPP45_TDM_PCLK          MPP( 45, 0x2, 0, 0, 0,   0,   0,   1,   1 )
 #define MPP245_LCD_E            MPP( 45, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP46_GPIO              MPP( 46, 0x0, 1, 1, 0,   0,   0,   1,   1 )
-#define MPP46_TSMP10            MPP( 46, 0x1, 1, 1, 0,   0,   0,   1,   1 )
-#define MPP46_TDM_FS            MPP( 46, 0x2, 1, 1, 0,   0,   0,   1,   1 )
+#define MPP46_TSMP10            MPP( 46, 0x1, 0, 0, 0,   0,   0,   1,   1 )
+#define MPP46_TDM_FS            MPP( 46, 0x2, 0, 0, 0,   0,   0,   1,   1 )
 #define MPP46_LCD_HSYNC         MPP( 46, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP47_GPIO              MPP( 47, 0x0, 1, 1, 0,   0,   0,   1,   1 )
-#define MPP47_TSMP11            MPP( 47, 0x1, 1, 1, 0,   0,   0,   1,   1 )
-#define MPP47_TDM_DRX           MPP( 47, 0x2, 1, 0, 0,   0,   0,   1,   1 )
+#define MPP47_TSMP11            MPP( 47, 0x1, 0, 0, 0,   0,   0,   1,   1 )
+#define MPP47_TDM_DRX           MPP( 47, 0x2, 0, 0, 0,   0,   0,   1,   1 )
 #define MPP47_LCD_VSYNC         MPP( 47, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP48_GPIO              MPP( 48, 0x0, 1, 1, 0,   0,   0,   1,   1 )
-#define MPP48_TSMP12            MPP( 48, 0x1, 1, 1, 0,   0,   0,   1,   1 )
-#define MPP48_TDM_DTX           MPP( 48, 0x2, 0, 1, 0,   0,   0,   1,   1 )
+#define MPP48_TSMP12            MPP( 48, 0x1, 0, 0, 0,   0,   0,   1,   1 )
+#define MPP48_TDM_DTX           MPP( 48, 0x2, 0, 0, 0,   0,   0,   1,   1 )
 #define MPP48_LCD_D16           MPP( 22, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP49_GPIO              MPP( 49, 0x0, 1, 1, 0,   0,   0,   1,   0 )
 #define MPP49_GPO               MPP( 49, 0x0, 0, 1, 0,   0,   0,   0,   1 )
-#define MPP49_TSMP9             MPP( 49, 0x1, 1, 1, 0,   0,   0,   1,   0 )
-#define MPP49_TDM_CH0_RX_QL     MPP( 49, 0x2, 0, 1, 0,   0,   0,   1,   1 )
-#define MPP49_PTP_CLK           MPP( 49, 0x5, 1, 0, 0,   0,   0,   1,   0 )
-#define MPP49_PEX0_CLKREQ       MPP( 49, 0xa, 0, 1, 0,   0,   0,   0,   1 )
+#define MPP49_TSMP9             MPP( 49, 0x1, 0, 0, 0,   0,   0,   1,   0 )
+#define MPP49_TDM_CH0_RX_QL     MPP( 49, 0x2, 0, 0, 0,   0,   0,   1,   1 )
+#define MPP49_PTP_CLK           MPP( 49, 0x5, 0, 0, 0,   0,   0,   1,   0 )
+#define MPP49_PEX0_CLKREQ       MPP( 49, 0xa, 0, 0, 0,   0,   0,   0,   1 )
 #define MPP49_LCD_D17           MPP( 49, 0xb, 0, 0, 0,   0,   0,   0,   1 )
 
 #define MPP_MAX                 49
diff --git a/arch/arm/mach-lpc32xx/include/mach/irqs.h b/arch/arm/mach-lpc32xx/include/mach/irqs.h
index 2667f52e3b0..9e3b90df32e 100644
--- a/arch/arm/mach-lpc32xx/include/mach/irqs.h
+++ b/arch/arm/mach-lpc32xx/include/mach/irqs.h
@@ -61,7 +61,7 @@
  */
 #define IRQ_LPC32XX_JTAG_COMM_TX        LPC32XX_SIC1_IRQ(1)
 #define IRQ_LPC32XX_JTAG_COMM_RX        LPC32XX_SIC1_IRQ(2)
-#define IRQ_LPC32XX_GPI_11              LPC32XX_SIC1_IRQ(4)
+#define IRQ_LPC32XX_GPI_28              LPC32XX_SIC1_IRQ(4)
 #define IRQ_LPC32XX_TS_P                LPC32XX_SIC1_IRQ(6)
 #define IRQ_LPC32XX_TS_IRQ              LPC32XX_SIC1_IRQ(7)
 #define IRQ_LPC32XX_TS_AUX              LPC32XX_SIC1_IRQ(8)
diff --git a/arch/arm/mach-lpc32xx/irq.c b/arch/arm/mach-lpc32xx/irq.c
index 4eae566dfdc..c74de01ab5b 100644
--- a/arch/arm/mach-lpc32xx/irq.c
+++ b/arch/arm/mach-lpc32xx/irq.c
@@ -118,6 +118,10 @@ static const struct lpc32xx_event_info lpc32xx_events[NR_IRQS] = {
                 .event_group = &lpc32xx_event_pin_regs,
                 .mask = LPC32XX_CLKPWR_EXTSRC_GPI_06_BIT,
         },
+        [IRQ_LPC32XX_GPI_28] = {
+                .event_group = &lpc32xx_event_pin_regs,
+                .mask = LPC32XX_CLKPWR_EXTSRC_GPI_28_BIT,
+        },
         [IRQ_LPC32XX_GPIO_00] = {
                 .event_group = &lpc32xx_event_int_regs,
                 .mask = LPC32XX_CLKPWR_INTSRC_GPIO_00_BIT,
@@ -305,9 +309,18 @@ static int lpc32xx_irq_wake(struct irq_data *d, unsigned int state)
 
                 if (state)
                         eventreg |= lpc32xx_events[d->irq].mask;
-                else
+                else {
                         eventreg &= ~lpc32xx_events[d->irq].mask;
 
+                        /*
+                         * When disabling the wakeup, clear the latched
+                         * event
+                         */
+                        __raw_writel(lpc32xx_events[d->irq].mask,
+                                lpc32xx_events[d->irq].
+                                event_group->rawstat_reg);
+                }
+
                 __raw_writel(eventreg,
                         lpc32xx_events[d->irq].event_group->enab_reg);
 
@@ -380,13 +393,15 @@ void __init lpc32xx_init_irq(void)
 
         /* Setup SIC1 */
         __raw_writel(0, LPC32XX_INTC_MASK(LPC32XX_SIC1_BASE));
-        __raw_writel(MIC_APR_DEFAULT, LPC32XX_INTC_POLAR(LPC32XX_SIC1_BASE));
-        __raw_writel(MIC_ATR_DEFAULT, LPC32XX_INTC_ACT_TYPE(LPC32XX_SIC1_BASE));
+        __raw_writel(SIC1_APR_DEFAULT, LPC32XX_INTC_POLAR(LPC32XX_SIC1_BASE));
+        __raw_writel(SIC1_ATR_DEFAULT,
+                                LPC32XX_INTC_ACT_TYPE(LPC32XX_SIC1_BASE));
 
         /* Setup SIC2 */
         __raw_writel(0, LPC32XX_INTC_MASK(LPC32XX_SIC2_BASE));
-        __raw_writel(MIC_APR_DEFAULT, LPC32XX_INTC_POLAR(LPC32XX_SIC2_BASE));
-        __raw_writel(MIC_ATR_DEFAULT, LPC32XX_INTC_ACT_TYPE(LPC32XX_SIC2_BASE));
+        __raw_writel(SIC2_APR_DEFAULT, LPC32XX_INTC_POLAR(LPC32XX_SIC2_BASE));
+        __raw_writel(SIC2_ATR_DEFAULT,
+                                LPC32XX_INTC_ACT_TYPE(LPC32XX_SIC2_BASE));
 
         /* Configure supported IRQ's */
         for (i = 0; i < NR_IRQS; i++) {
diff --git a/arch/arm/mach-lpc32xx/serial.c b/arch/arm/mach-lpc32xx/serial.c
index 429cfdbb2b3..f2735281616 100644
--- a/arch/arm/mach-lpc32xx/serial.c
+++ b/arch/arm/mach-lpc32xx/serial.c
@@ -88,6 +88,7 @@ struct uartinit {
         char *uart_ck_name;
         u32 ck_mode_mask;
         void __iomem *pdiv_clk_reg;
+        resource_size_t mapbase;
 };
 
 static struct uartinit uartinit_data[] __initdata = {
@@ -97,6 +98,7 @@ static struct uartinit uartinit_data[] __initdata = {
                 .ck_mode_mask =
                         LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 5),
                 .pdiv_clk_reg = LPC32XX_CLKPWR_UART5_CLK_CTRL,
+                .mapbase = LPC32XX_UART5_BASE,
         },
 #endif
 #ifdef CONFIG_ARCH_LPC32XX_UART3_SELECT
@@ -105,6 +107,7 @@ static struct uartinit uartinit_data[] __initdata = {
                 .ck_mode_mask =
                         LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 3),
                 .pdiv_clk_reg = LPC32XX_CLKPWR_UART3_CLK_CTRL,
+                .mapbase = LPC32XX_UART3_BASE,
         },
 #endif
 #ifdef CONFIG_ARCH_LPC32XX_UART4_SELECT
@@ -113,6 +116,7 @@ static struct uartinit uartinit_data[] __initdata = {
                 .ck_mode_mask =
                         LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 4),
                 .pdiv_clk_reg = LPC32XX_CLKPWR_UART4_CLK_CTRL,
+                .mapbase = LPC32XX_UART4_BASE,
         },
 #endif
 #ifdef CONFIG_ARCH_LPC32XX_UART6_SELECT
@@ -121,6 +125,7 @@ static struct uartinit uartinit_data[] __initdata = {
                 .ck_mode_mask =
                         LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 6),
                 .pdiv_clk_reg = LPC32XX_CLKPWR_UART6_CLK_CTRL,
+                .mapbase = LPC32XX_UART6_BASE,
         },
 #endif
 };
@@ -165,11 +170,24 @@ void __init lpc32xx_serial_init(void)
 
                 /* pre-UART clock divider set to 1 */
                 __raw_writel(0x0101, uartinit_data[i].pdiv_clk_reg);
+
+                /*
+                 * Force a flush of the RX FIFOs to work around a
+                 * HW bug
+                 */
+                puart = uartinit_data[i].mapbase;
+                __raw_writel(0xC1, LPC32XX_UART_IIR_FCR(puart));
+                __raw_writel(0x00, LPC32XX_UART_DLL_FIFO(puart));
+                j = LPC32XX_SUART_FIFO_SIZE;
+                while (j--)
+                        tmp = __raw_readl(
+                                LPC32XX_UART_DLL_FIFO(puart));
+                __raw_writel(0, LPC32XX_UART_IIR_FCR(puart));
         }
 
         /* This needs to be done after all UART clocks are setup */
         __raw_writel(clkmodes, LPC32XX_UARTCTL_CLKMODE);
-        for (i = 0; i < ARRAY_SIZE(uartinit_data) - 1; i++) {
+        for (i = 0; i < ARRAY_SIZE(uartinit_data); i++) {
                 /* Force a flush of the RX FIFOs to work around a HW bug */
                 puart = serial_std_platform_data[i].mapbase;
                 __raw_writel(0xC1, LPC32XX_UART_IIR_FCR(puart));
diff --git a/arch/arm/mach-mmp/aspenite.c b/arch/arm/mach-mmp/aspenite.c
index 17cb7606012..3588a558415 100644
--- a/arch/arm/mach-mmp/aspenite.c
+++ b/arch/arm/mach-mmp/aspenite.c
@@ -17,7 +17,6 @@
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/nand.h>
 #include <linux/interrupt.h>
-#include <linux/gpio.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
diff --git a/arch/arm/mach-mmp/pxa168.c b/arch/arm/mach-mmp/pxa168.c
index 7bc17eaa12e..ada1213982b 100644
--- a/arch/arm/mach-mmp/pxa168.c
+++ b/arch/arm/mach-mmp/pxa168.c
@@ -24,7 +24,6 @@
 #include <mach/dma.h>
 #include <mach/devices.h>
 #include <mach/mfp.h>
-#include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
 #include <mach/pxa168.h>
 
diff --git a/arch/arm/mach-mmp/tavorevb.c b/arch/arm/mach-mmp/tavorevb.c
index 8e3b5af04a5..bc97170125b 100644
--- a/arch/arm/mach-mmp/tavorevb.c
+++ b/arch/arm/mach-mmp/tavorevb.c
@@ -12,7 +12,6 @@
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/smc91x.h>
-#include <linux/gpio.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
diff --git a/arch/arm/mach-mv78xx0/common.c b/arch/arm/mach-mv78xx0/common.c
index 0cdd41004ad..a5dcf766a3f 100644
--- a/arch/arm/mach-mv78xx0/common.c
+++ b/arch/arm/mach-mv78xx0/common.c
@@ -19,6 +19,7 @@
 #include <mach/mv78xx0.h>
 #include <mach/bridge-regs.h>
 #include <plat/cache-feroceon-l2.h>
+#include <plat/ehci-orion.h>
 #include <plat/orion_nand.h>
 #include <plat/time.h>
 #include <plat/common.h>
@@ -169,7 +170,7 @@ void __init mv78xx0_map_io(void)
  ****************************************************************************/
 void __init mv78xx0_ehci0_init(void)
 {
-        orion_ehci_init(USB0_PHYS_BASE, IRQ_MV78XX0_USB_0);
+        orion_ehci_init(USB0_PHYS_BASE, IRQ_MV78XX0_USB_0, EHCI_PHY_NA);
 }
 
 
diff --git a/arch/arm/mach-mv78xx0/mpp.h b/arch/arm/mach-mv78xx0/mpp.h
index b61b5092712..3752302ae2e 100644
--- a/arch/arm/mach-mv78xx0/mpp.h
+++ b/arch/arm/mach-mv78xx0/mpp.h
@@ -24,296 +24,296 @@
 #define MPP_78100_A0_MASK    MPP(0, 0x0, 0, 0, 1)
 
 #define MPP0_GPIO        MPP(0, 0x0, 1, 1, 1)
-#define MPP0_GE0_COL        MPP(0, 0x1, 1, 0, 1)
-#define MPP0_GE1_TXCLK        MPP(0, 0x2, 0, 1, 1)
+#define MPP0_GE0_COL        MPP(0, 0x1, 0, 0, 1)
+#define MPP0_GE1_TXCLK        MPP(0, 0x2, 0, 0, 1)
 #define MPP0_UNUSED        MPP(0, 0x3, 0, 0, 1)
 
 #define MPP1_GPIO        MPP(1, 0x0, 1, 1, 1)
-#define MPP1_GE0_RXERR        MPP(1, 0x1, 1, 0, 1)
-#define MPP1_GE1_TXCTL        MPP(1, 0x2, 0, 1, 1)
+#define MPP1_GE0_RXERR        MPP(1, 0x1, 0, 0, 1)
+#define MPP1_GE1_TXCTL        MPP(1, 0x2, 0, 0, 1)
 #define MPP1_UNUSED        MPP(1, 0x3, 0, 0, 1)
 
 #define MPP2_GPIO        MPP(2, 0x0, 1, 1, 1)
-#define MPP2_GE0_CRS        MPP(2, 0x1, 1, 0, 1)
-#define MPP2_GE1_RXCTL        MPP(2, 0x2, 1, 0, 1)
+#define MPP2_GE0_CRS        MPP(2, 0x1, 0, 0, 1)
+#define MPP2_GE1_RXCTL        MPP(2, 0x2, 0, 0, 1)
 #define MPP2_UNUSED        MPP(2, 0x3, 0, 0, 1)
 
 #define MPP3_GPIO        MPP(3, 0x0, 1, 1, 1)
-#define MPP3_GE0_TXERR        MPP(3, 0x1, 0, 1, 1)
-#define MPP3_GE1_RXCLK        MPP(3, 0x2, 1, 0, 1)
+#define MPP3_GE0_TXERR        MPP(3, 0x1, 0, 0, 1)
+#define MPP3_GE1_RXCLK        MPP(3, 0x2, 0, 0, 1)
 #define MPP3_UNUSED        MPP(3, 0x3, 0, 0, 1)
 
 #define MPP4_GPIO        MPP(4, 0x0, 1, 1, 1)
-#define MPP4_GE0_TXD4        MPP(4, 0x1, 0, 1, 1)
-#define MPP4_GE1_TXD0        MPP(4, 0x2, 0, 1, 1)
+#define MPP4_GE0_TXD4        MPP(4, 0x1, 0, 0, 1)
+#define MPP4_GE1_TXD0        MPP(4, 0x2, 0, 0, 1)
 #define MPP4_UNUSED        MPP(4, 0x3, 0, 0, 1)
 
 #define MPP5_GPIO        MPP(5, 0x0, 1, 1, 1)
-#define MPP5_GE0_TXD5        MPP(5, 0x1, 0, 1, 1)
-#define MPP5_GE1_TXD1        MPP(5, 0x2, 0, 1, 1)
+#define MPP5_GE0_TXD5        MPP(5, 0x1, 0, 0, 1)
+#define MPP5_GE1_TXD1        MPP(5, 0x2, 0, 0, 1)
 #define MPP5_UNUSED        MPP(5, 0x3, 0, 0, 1)
 
 #define MPP6_GPIO        MPP(6, 0x0, 1, 1, 1)
-#define MPP6_GE0_TXD6        MPP(6, 0x1, 0, 1, 1)
-#define MPP6_GE1_TXD2        MPP(6, 0x2, 0, 1, 1)
+#define MPP6_GE0_TXD6        MPP(6, 0x1, 0, 0, 1)
+#define MPP6_GE1_TXD2        MPP(6, 0x2, 0, 0, 1)
 #define MPP6_UNUSED        MPP(6, 0x3, 0, 0, 1)
 
 #define MPP7_GPIO        MPP(7, 0x0, 1, 1, 1)
-#define MPP7_GE0_TXD7        MPP(7, 0x1, 0, 1, 1)
-#define MPP7_GE1_TXD3        MPP(7, 0x2, 0, 1, 1)
+#define MPP7_GE0_TXD7        MPP(7, 0x1, 0, 0, 1)
+#define MPP7_GE1_TXD3        MPP(7, 0x2, 0, 0, 1)
 #define MPP7_UNUSED        MPP(7, 0x3, 0, 0, 1)
 
 #define MPP8_GPIO        MPP(8, 0x0, 1, 1, 1)
-#define MPP8_GE0_RXD4        MPP(8, 0x1, 1, 0, 1)
-#define MPP8_GE1_RXD0        MPP(8, 0x2, 1, 0, 1)
+#define MPP8_GE0_RXD4        MPP(8, 0x1, 0, 0, 1)
+#define MPP8_GE1_RXD0        MPP(8, 0x2, 0, 0, 1)
 #define MPP8_UNUSED        MPP(8, 0x3, 0, 0, 1)
 
 #define MPP9_GPIO        MPP(9, 0x0, 1, 1, 1)
-#define MPP9_GE0_RXD5        MPP(9, 0x1, 1, 0, 1)
-#define MPP9_GE1_RXD1        MPP(9, 0x2, 1, 0, 1)
+#define MPP9_GE0_RXD5        MPP(9, 0x1, 0, 0, 1)
+#define MPP9_GE1_RXD1        MPP(9, 0x2, 0, 0, 1)
 #define MPP9_UNUSED        MPP(9, 0x3, 0, 0, 1)
 
 #define MPP10_GPIO        MPP(10, 0x0, 1, 1, 1)
-#define MPP10_GE0_RXD6        MPP(10, 0x1, 1, 0, 1)
-#define MPP10_GE1_RXD2        MPP(10, 0x2, 1, 0, 1)
+#define MPP10_GE0_RXD6        MPP(10, 0x1, 0, 0, 1)
+#define MPP10_GE1_RXD2        MPP(10, 0x2, 0, 0, 1)
 #define MPP10_UNUSED        MPP(10, 0x3, 0, 0, 1)
 
 #define MPP11_GPIO        MPP(11, 0x0, 1, 1, 1)
-#define MPP11_GE0_RXD7        MPP(11, 0x1, 1, 0, 1)
-#define MPP11_GE1_RXD3        MPP(11, 0x2, 1, 0, 1)
+#define MPP11_GE0_RXD7        MPP(11, 0x1, 0, 0, 1)
+#define MPP11_GE1_RXD3        MPP(11, 0x2, 0, 0, 1)
 #define MPP11_UNUSED        MPP(11, 0x3, 0, 0, 1)
 
 #define MPP12_GPIO        MPP(12, 0x0, 1, 1, 1)
-#define MPP12_M_BB        MPP(12, 0x3, 1, 0, 1)
-#define MPP12_UA0_CTSn        MPP(12, 0x4, 1, 0, 1)
-#define MPP12_NAND_FLASH_REn0    MPP(12, 0x5, 0, 1, 1)
-#define MPP12_TDM0_SCSn        MPP(12, 0X6, 0, 1, 1)
+#define MPP12_M_BB        MPP(12, 0x3, 0, 0, 1)
+#define MPP12_UA0_CTSn        MPP(12, 0x4, 0, 0, 1)
+#define MPP12_NAND_FLASH_REn0    MPP(12, 0x5, 0, 0, 1)
+#define MPP12_TDM0_SCSn        MPP(12, 0X6, 0, 0, 1)
 #define MPP12_UNUSED        MPP(12, 0x1, 0, 0, 1)
 
 #define MPP13_GPIO        MPP(13, 0x0, 1, 1, 1)
-#define MPP13_SYSRST_OUTn    MPP(13, 0x3, 0, 1, 1)
-#define MPP13_UA0_RTSn        MPP(13, 0x4, 0, 1, 1)
-#define MPP13_NAN_FLASH_WEn0    MPP(13, 0x5, 0, 1, 1)
-#define MPP13_TDM_SCLK        MPP(13, 0x6, 0, 1, 1)
+#define MPP13_SYSRST_OUTn    MPP(13, 0x3, 0, 0, 1)
+#define MPP13_UA0_RTSn        MPP(13, 0x4, 0, 0, 1)
+#define MPP13_NAN_FLASH_WEn0    MPP(13, 0x5, 0, 0, 1)
+#define MPP13_TDM_SCLK        MPP(13, 0x6, 0, 0, 1)
 #define MPP13_UNUSED        MPP(13, 0x1, 0, 0, 1)
 
 #define MPP14_GPIO        MPP(14, 0x0, 1, 1, 1)
-#define MPP14_SATA1_ACTn    MPP(14, 0x3, 0, 1, 1)
-#define MPP14_UA1_CTSn        MPP(14, 0x4, 1, 0, 1)
-#define MPP14_NAND_FLASH_REn1    MPP(14, 0x5, 0, 1, 1)
-#define MPP14_TDM_SMOSI        MPP(14, 0x6, 0, 1, 1)
+#define MPP14_SATA1_ACTn    MPP(14, 0x3, 0, 0, 1)
+#define MPP14_UA1_CTSn        MPP(14, 0x4, 0, 0, 1)
+#define MPP14_NAND_FLASH_REn1    MPP(14, 0x5, 0, 0, 1)
+#define MPP14_TDM_SMOSI        MPP(14, 0x6, 0, 0, 1)
 #define MPP14_UNUSED        MPP(14, 0x1, 0, 0, 1)
 
 #define MPP15_GPIO        MPP(15, 0x0, 1, 1, 1)
-#define MPP15_SATA0_ACTn    MPP(15, 0x3, 0, 1, 1)
-#define MPP15_UA1_RTSn        MPP(15, 0x4, 0, 1, 1)
-#define MPP15_NAND_FLASH_WEn1    MPP(15, 0x5, 0, 1, 1)
-#define MPP15_TDM_SMISO        MPP(15, 0x6, 1, 0, 1)
+#define MPP15_SATA0_ACTn    MPP(15, 0x3, 0, 0, 1)
+#define MPP15_UA1_RTSn        MPP(15, 0x4, 0, 0, 1)
+#define MPP15_NAND_FLASH_WEn1    MPP(15, 0x5, 0, 0, 1)
+#define MPP15_TDM_SMISO        MPP(15, 0x6, 0, 0, 1)
 #define MPP15_UNUSED        MPP(15, 0x1, 0, 0, 1)
 
 #define MPP16_GPIO        MPP(16, 0x0, 1, 1, 1)
-#define MPP16_SATA1_PRESENTn    MPP(16, 0x3, 0, 1, 1)
-#define MPP16_UA2_TXD        MPP(16, 0x4, 0, 1, 1)
-#define MPP16_NAND_FLASH_REn3    MPP(16, 0x5, 0, 1, 1)
-#define MPP16_TDM_INTn        MPP(16, 0x6, 1, 0, 1)
+#define MPP16_SATA1_PRESENTn    MPP(16, 0x3, 0, 0, 1)
+#define MPP16_UA2_TXD        MPP(16, 0x4, 0, 0, 1)
+#define MPP16_NAND_FLASH_REn3    MPP(16, 0x5, 0, 0, 1)
+#define MPP16_TDM_INTn        MPP(16, 0x6, 0, 0, 1)
 #define MPP16_UNUSED        MPP(16, 0x1, 0, 0, 1)
 
 
 #define MPP17_GPIO        MPP(17, 0x0, 1, 1, 1)
-#define MPP17_SATA0_PRESENTn    MPP(17, 0x3, 0, 1, 1)
-#define MPP17_UA2_RXD        MPP(17, 0x4, 1, 0, 1)
-#define MPP17_NAND_FLASH_WEn3    MPP(17, 0x5, 0, 1, 1)
-#define MPP17_TDM_RSTn        MPP(17, 0x6, 0, 1, 1)
+#define MPP17_SATA0_PRESENTn    MPP(17, 0x3, 0, 0, 1)
+#define MPP17_UA2_RXD        MPP(17, 0x4, 0, 0, 1)
+#define MPP17_NAND_FLASH_WEn3    MPP(17, 0x5, 0, 0, 1)
+#define MPP17_TDM_RSTn        MPP(17, 0x6, 0, 0, 1)
 #define MPP17_UNUSED        MPP(17, 0x1, 0, 0, 1)
 
 
 #define MPP18_GPIO        MPP(18, 0x0, 1, 1, 1)
-#define MPP18_UA0_CTSn        MPP(18, 0x4, 1, 0, 1)
-#define MPP18_BOOT_FLASH_REn    MPP(18, 0x5, 0, 1, 1)
+#define MPP18_UA0_CTSn        MPP(18, 0x4, 0, 0, 1)
+#define MPP18_BOOT_FLASH_REn    MPP(18, 0x5, 0, 0, 1)
 #define MPP18_UNUSED        MPP(18, 0x1, 0, 0, 1)
 
 
 
 #define MPP19_GPIO        MPP(19, 0x0, 1, 1, 1)
-#define MPP19_UA0_CTSn        MPP(19, 0x4, 0, 1, 1)
-#define MPP19_BOOT_FLASH_WEn    MPP(19, 0x5, 0, 1, 1)
+#define MPP19_UA0_CTSn        MPP(19, 0x4, 0, 0, 1)
+#define MPP19_BOOT_FLASH_WEn    MPP(19, 0x5, 0, 0, 1)
 #define MPP19_UNUSED        MPP(19, 0x1, 0, 0, 1)
 
 
 #define MPP20_GPIO        MPP(20, 0x0, 1, 1, 1)
-#define MPP20_UA1_CTSs        MPP(20, 0x4, 1, 0, 1)
-#define MPP20_TDM_PCLK        MPP(20, 0x6, 1, 1, 0)
+#define MPP20_UA1_CTSs        MPP(20, 0x4, 0, 0, 1)
+#define MPP20_TDM_PCLK        MPP(20, 0x6, 0, 0, 0)
 #define MPP20_UNUSED        MPP(20, 0x1, 0, 0, 1)
 
 
 
 #define MPP21_GPIO        MPP(21, 0x0, 1, 1, 1)
-#define MPP21_UA1_CTSs        MPP(21, 0x4, 0, 1, 1)
-#define MPP21_TDM_FSYNC        MPP(21, 0x6, 1, 1, 0)
+#define MPP21_UA1_CTSs        MPP(21, 0x4, 0, 0, 1)
+#define MPP21_TDM_FSYNC        MPP(21, 0x6, 0, 0, 0)
 #define MPP21_UNUSED        MPP(21, 0x1, 0, 0, 1)
 
 
 
 #define MPP22_GPIO        MPP(22, 0x0, 1, 1, 1)
-#define MPP22_UA3_TDX        MPP(22, 0x4, 0, 1, 1)
-#define MPP22_NAND_FLASH_REn2    MPP(22, 0x5, 0, 1, 1)
-#define MPP22_TDM_DRX        MPP(22, 0x6, 1, 0, 1)
+#define MPP22_UA3_TDX        MPP(22, 0x4, 0, 0, 1)
+#define MPP22_NAND_FLASH_REn2    MPP(22, 0x5, 0, 0, 1)
+#define MPP22_TDM_DRX        MPP(22, 0x6, 0, 0, 1)
 #define MPP22_UNUSED        MPP(22, 0x1, 0, 0, 1)
 
 
 
 #define MPP23_GPIO        MPP(23, 0x0, 1, 1, 1)
-#define MPP23_UA3_RDX        MPP(23, 0x4, 1, 0, 1)
-#define MPP23_NAND_FLASH_WEn2    MPP(23, 0x5, 0, 1, 1)
-#define MPP23_TDM_DTX        MPP(23, 0x6, 0, 1, 1)
+#define MPP23_UA3_RDX        MPP(23, 0x4, 0, 0, 1)
+#define MPP23_NAND_FLASH_WEn2    MPP(23, 0x5, 0, 0, 1)
+#define MPP23_TDM_DTX        MPP(23, 0x6, 0, 0, 1)
 #define MPP23_UNUSED        MPP(23, 0x1, 0, 0, 1)
 
 
 #define MPP24_GPIO        MPP(24, 0x0, 1, 1, 1)
-#define MPP24_UA2_TXD        MPP(24, 0x4, 0, 1, 1)
-#define MPP24_TDM_INTn        MPP(24, 0x6, 1, 0, 1)
+#define MPP24_UA2_TXD        MPP(24, 0x4, 0, 0, 1)
+#define MPP24_TDM_INTn        MPP(24, 0x6, 0, 0, 1)
 #define MPP24_UNUSED        MPP(24, 0x1, 0, 0, 1)
 
 
 #define MPP25_GPIO        MPP(25, 0x0, 1, 1, 1)
-#define MPP25_UA2_RXD        MPP(25, 0x4, 1, 0, 1)
-#define MPP25_TDM_RSTn        MPP(25, 0x6, 0, 1, 1)
+#define MPP25_UA2_RXD        MPP(25, 0x4, 0, 0, 1)
+#define MPP25_TDM_RSTn        MPP(25, 0x6, 0, 0, 1)
 #define MPP25_UNUSED        MPP(25, 0x1, 0, 0, 1)
 
 
 #define MPP26_GPIO        MPP(26, 0x0, 1, 1, 1)
-#define MPP26_UA2_CTSn        MPP(26, 0x4, 1, 0, 1)
-#define MPP26_TDM_PCLK        MPP(26, 0x6, 1, 1, 1)
+#define MPP26_UA2_CTSn        MPP(26, 0x4, 0, 0, 1)
+#define MPP26_TDM_PCLK        MPP(26, 0x6, 0, 0, 1)
 #define MPP26_UNUSED        MPP(26, 0x1, 0, 0, 1)
 
 
 #define MPP27_GPIO        MPP(27, 0x0, 1, 1, 1)
-#define MPP27_UA2_RTSn        MPP(27, 0x4, 0, 1, 1)
-#define MPP27_TDM_FSYNC        MPP(27, 0x6, 1, 1, 1)
+#define MPP27_UA2_RTSn        MPP(27, 0x4, 0, 0, 1)
+#define MPP27_TDM_FSYNC        MPP(27, 0x6, 0, 0, 1)
 #define MPP27_UNUSED        MPP(27, 0x1, 0, 0, 1)
 
 
 #define MPP28_GPIO        MPP(28, 0x0, 1, 1, 1)
-#define MPP28_UA3_TXD        MPP(28, 0x4, 0, 1, 1)
-#define MPP28_TDM_DRX        MPP(28, 0x6, 1, 0, 1)
+#define MPP28_UA3_TXD        MPP(28, 0x4, 0, 0, 1)
+#define MPP28_TDM_DRX        MPP(28, 0x6, 0, 0, 1)
 #define MPP28_UNUSED        MPP(28, 0x1, 0, 0, 1)
 
 #define MPP29_GPIO        MPP(29, 0x0, 1, 1, 1)
-#define MPP29_UA3_RXD        MPP(29, 0x4, 1, 0, 1)
-#define MPP29_SYSRST_OUTn    MPP(29, 0x5, 0, 1, 1)
-#define MPP29_TDM_DTX        MPP(29, 0x6, 0, 1, 1)
+#define MPP29_UA3_RXD        MPP(29, 0x4, 0, 0, 1)
+#define MPP29_SYSRST_OUTn    MPP(29, 0x5, 0, 0, 1)
+#define MPP29_TDM_DTX        MPP(29, 0x6, 0, 0, 1)
 #define MPP29_UNUSED        MPP(29, 0x1, 0, 0, 1)
 
 #define MPP30_GPIO        MPP(30, 0x0, 1, 1, 1)
-#define MPP30_UA3_CTSn        MPP(30, 0x4, 1, 0, 1)
+#define MPP30_UA3_CTSn        MPP(30, 0x4, 0, 0, 1)
 #define MPP30_UNUSED        MPP(30, 0x1, 0, 0, 1)
 
 #define MPP31_GPIO        MPP(31, 0x0, 1, 1, 1)
-#define MPP31_UA3_RTSn        MPP(31, 0x4, 0, 1, 1)
-#define MPP31_TDM1_SCSn        MPP(31, 0x6, 0, 1, 1)
+#define MPP31_UA3_RTSn        MPP(31, 0x4, 0, 0, 1)
+#define MPP31_TDM1_SCSn        MPP(31, 0x6, 0, 0, 1)
 #define MPP31_UNUSED        MPP(31, 0x1, 0, 0, 1)
 
 
 #define MPP32_GPIO        MPP(32, 0x1, 1, 1, 1)
-#define MPP32_UA3_TDX        MPP(32, 0x4, 0, 1, 1)
-#define MPP32_SYSRST_OUTn    MPP(32, 0x5, 0, 1, 1)
-#define MPP32_TDM0_RXQ        MPP(32, 0x6, 0, 1, 1)
+#define MPP32_UA3_TDX        MPP(32, 0x4, 0, 0, 1)
+#define MPP32_SYSRST_OUTn    MPP(32, 0x5, 0, 0, 1)
+#define MPP32_TDM0_RXQ        MPP(32, 0x6, 0, 0, 1)
 #define MPP32_UNUSED        MPP(32, 0x3, 0, 0, 1)
 
 
 #define MPP33_GPIO        MPP(33, 0x1, 1, 1, 1)
-#define MPP33_UA3_RDX        MPP(33, 0x4, 1, 0, 1)
-#define MPP33_TDM0_TXQ        MPP(33, 0x6, 0, 1, 1)
+#define MPP33_UA3_RDX        MPP(33, 0x4, 0, 0, 1)
+#define MPP33_TDM0_TXQ        MPP(33, 0x6, 0, 0, 1)
 #define MPP33_UNUSED        MPP(33, 0x3, 0, 0, 1)
 
 
 
 #define MPP34_GPIO        MPP(34, 0x1, 1, 1, 1)
-#define MPP34_UA2_TDX        MPP(34, 0x4, 0, 1, 1)
-#define MPP34_TDM1_RXQ        MPP(34, 0x6, 0, 1, 1)
+#define MPP34_UA2_TDX        MPP(34, 0x4, 0, 0, 1)
+#define MPP34_TDM1_RXQ        MPP(34, 0x6, 0, 0, 1)
 #define MPP34_UNUSED        MPP(34, 0x3, 0, 0, 1)
 
 
 
 #define MPP35_GPIO        MPP(35, 0x1, 1, 1, 1)
-#define MPP35_UA2_RDX        MPP(35, 0x4, 1, 0, 1)
-#define MPP35_TDM1_TXQ        MPP(35, 0x6, 0, 1, 1)
+#define MPP35_UA2_RDX        MPP(35, 0x4, 0, 0, 1)
+#define MPP35_TDM1_TXQ        MPP(35, 0x6, 0, 0, 1)
 #define MPP35_UNUSED        MPP(35, 0x3, 0, 0, 1)
 
 #define MPP36_GPIO        MPP(36, 0x1, 1, 1, 1)
-#define MPP36_UA0_CTSn        MPP(36, 0x2, 1, 0, 1)
-#define MPP36_UA2_TDX        MPP(36, 0x4, 0, 1, 1)
-#define MPP36_TDM0_SCSn        MPP(36, 0x6, 0, 1, 1)
+#define MPP36_UA0_CTSn        MPP(36, 0x2, 0, 0, 1)
+#define MPP36_UA2_TDX        MPP(36, 0x4, 0, 0, 1)
+#define MPP36_TDM0_SCSn        MPP(36, 0x6, 0, 0, 1)
 #define MPP36_UNUSED        MPP(36, 0x3, 0, 0, 1)
 
 
 #define MPP37_GPIO        MPP(37, 0x1, 1, 1, 1)
-#define MPP37_UA0_RTSn        MPP(37, 0x2, 0, 1, 1)
-#define MPP37_UA2_RXD        MPP(37, 0x4, 1, 0, 1)
-#define MPP37_SYSRST_OUTn    MPP(37, 0x5, 0, 1, 1)
-#define MPP37_TDM_SCLK        MPP(37, 0x6, 0, 1, 1)
+#define MPP37_UA0_RTSn        MPP(37, 0x2, 0, 0, 1)
+#define MPP37_UA2_RXD        MPP(37, 0x4, 0, 0, 1)
+#define MPP37_SYSRST_OUTn    MPP(37, 0x5, 0, 0, 1)
+#define MPP37_TDM_SCLK        MPP(37, 0x6, 0, 0, 1)
 #define MPP37_UNUSED        MPP(37, 0x3, 0, 0, 1)
 
 
 
 
 #define MPP38_GPIO        MPP(38, 0x1, 1, 1, 1)
-#define MPP38_UA1_CTSn        MPP(38, 0x2, 1, 0, 1)
-#define MPP38_UA3_TXD        MPP(38, 0x4, 0, 1, 1)
-#define MPP38_SYSRST_OUTn    MPP(38, 0x5, 0, 1, 1)
-#define MPP38_TDM_SMOSI        MPP(38, 0x6, 0, 1, 1)
+#define MPP38_UA1_CTSn        MPP(38, 0x2, 0, 0, 1)
+#define MPP38_UA3_TXD        MPP(38, 0x4, 0, 0, 1)
+#define MPP38_SYSRST_OUTn    MPP(38, 0x5, 0, 0, 1)
+#define MPP38_TDM_SMOSI        MPP(38, 0x6, 0, 0, 1)
 #define MPP38_UNUSED        MPP(38, 0x3, 0, 0, 1)
 
 
 
 
 #define MPP39_GPIO        MPP(39, 0x1, 1, 1, 1)
-#define MPP39_UA1_RTSn        MPP(39, 0x2, 0, 1, 1)
-#define MPP39_UA3_RXD        MPP(39, 0x4, 1, 0, 1)
-#define MPP39_SYSRST_OUTn    MPP(39, 0x5, 0, 1, 1)
-#define MPP39_TDM_SMISO        MPP(39, 0x6, 1, 0, 1)
+#define MPP39_UA1_RTSn        MPP(39, 0x2, 0, 0, 1)
+#define MPP39_UA3_RXD        MPP(39, 0x4, 0, 0, 1)
+#define MPP39_SYSRST_OUTn    MPP(39, 0x5, 0, 0, 1)
+#define MPP39_TDM_SMISO        MPP(39, 0x6, 0, 0, 1)
 #define MPP39_UNUSED        MPP(39, 0x3, 0, 0, 1)
 
 
 
 #define MPP40_GPIO        MPP(40, 0x1, 1, 1, 1)
-#define MPP40_TDM_INTn        MPP(40, 0x6, 1, 0, 1)
+#define MPP40_TDM_INTn        MPP(40, 0x6, 0, 0, 1)
 #define MPP40_UNUSED        MPP(40, 0x0, 0, 0, 1)
 
 
 
 #define MPP41_GPIO        MPP(41, 0x1, 1, 1, 1)
-#define MPP41_TDM_RSTn        MPP(41, 0x6, 0, 1, 1)
+#define MPP41_TDM_RSTn        MPP(41, 0x6, 0, 0, 1)
 #define MPP41_UNUSED        MPP(41, 0x0, 0, 0, 1)
 
 
 
 #define MPP42_GPIO        MPP(42, 0x1, 1, 1, 1)
-#define MPP42_TDM_PCLK        MPP(42, 0x6, 1, 1, 1)
+#define MPP42_TDM_PCLK        MPP(42, 0x6, 0, 0, 1)
 #define MPP42_UNUSED        MPP(42, 0x0, 0, 0, 1)
 
 
 
 #define MPP43_GPIO        MPP(43, 0x1, 1, 1, 1)
-#define MPP43_TDM_FSYNC        MPP(43, 0x6, 1, 1, 1)
+#define MPP43_TDM_FSYNC        MPP(43, 0x6, 0, 0, 1)
 #define MPP43_UNUSED        MPP(43, 0x0, 0, 0, 1)
 
 
 
 #define MPP44_GPIO        MPP(44, 0x1, 1, 1, 1)
-#define MPP44_TDM_DRX        MPP(44, 0x6, 1, 0, 1)
+#define MPP44_TDM_DRX        MPP(44, 0x6, 0, 0, 1)
 #define MPP44_UNUSED        MPP(44, 0x0, 0, 0, 1)
 
 
 
 #define MPP45_GPIO        MPP(45, 0x1, 1, 1, 1)
-#define MPP45_SATA0_ACTn    MPP(45, 0x3, 0, 1, 1)
-#define MPP45_TDM_DRX        MPP(45, 0x6, 0, 1, 1)
+#define MPP45_SATA0_ACTn    MPP(45, 0x3, 0, 0, 1)
+#define MPP45_TDM_DRX        MPP(45, 0x6, 0, 0, 1)
 #define MPP45_UNUSED        MPP(45, 0x0, 0, 0, 1)
 
 
 #define MPP46_GPIO        MPP(46, 0x1, 1, 1, 1)
-#define MPP46_TDM_SCSn        MPP(46, 0x6, 0, 1, 1)
+#define MPP46_TDM_SCSn        MPP(46, 0x6, 0, 0, 1)
 #define MPP46_UNUSED        MPP(46, 0x0, 0, 0, 1)
 
 
@@ -323,14 +323,14 @@
 
 
 #define MPP48_GPIO        MPP(48, 0x1, 1, 1, 1)
-#define MPP48_SATA1_ACTn    MPP(48, 0x3, 0, 1, 1)
+#define MPP48_SATA1_ACTn    MPP(48, 0x3, 0, 0, 1)
 #define MPP48_UNUSED        MPP(48, 0x2, 0, 0, 1)
 
 
 
 #define MPP49_GPIO        MPP(49, 0x1, 1, 1, 1)
-#define MPP49_SATA0_ACTn    MPP(49, 0x3, 0, 1, 1)
-#define MPP49_M_BB        MPP(49, 0x4, 1, 0, 1)
+#define MPP49_SATA0_ACTn    MPP(49, 0x3, 0, 0, 1)
+#define MPP49_M_BB        MPP(49, 0x4, 0, 0, 1)
 #define MPP49_UNUSED        MPP(49, 0x2, 0, 0, 1)
 
 
diff --git a/arch/arm/mach-omap1/board-innovator.c b/arch/arm/mach-omap1/board-innovator.c
index 309369ea697..be2002f42de 100644
--- a/arch/arm/mach-omap1/board-innovator.c
+++ b/arch/arm/mach-omap1/board-innovator.c
@@ -416,13 +416,13 @@ static void __init innovator_init(void)
 #ifdef CONFIG_ARCH_OMAP15XX
         if (cpu_is_omap1510()) {
                 omap1_usb_init(&innovator1510_usb_config);
-                innovator_config[1].data = &innovator1510_lcd_config;
+                innovator_config[0].data = &innovator1510_lcd_config;
         }
 #endif
 #ifdef CONFIG_ARCH_OMAP16XX
         if (cpu_is_omap1610()) {
                 omap1_usb_init(&h2_usb_config);
-                innovator_config[1].data = &innovator1610_lcd_config;
+                innovator_config[0].data = &innovator1610_lcd_config;
         }
 #endif
         omap_board_config = innovator_config;
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 41e6612ecba..e20c8ab80b0 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -213,13 +213,12 @@ config MACH_OMAP3_PANDORA
         depends on ARCH_OMAP3
         default y
         select OMAP_PACKAGE_CBB
-        select REGULATOR_FIXED_VOLTAGE
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 config MACH_OMAP3_TOUCHBOOK
         bool "OMAP3 Touch Book"
         depends on ARCH_OMAP3
         default y
-        select BACKLIGHT_CLASS_DEVICE
 
 config MACH_OMAP_3430SDP
         bool "OMAP 3430 SDP board"
@@ -265,7 +264,7 @@ config MACH_OMAP_ZOOM2
         select SERIAL_8250
         select SERIAL_CORE_CONSOLE
         select SERIAL_8250_CONSOLE
-        select REGULATOR_FIXED_VOLTAGE
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 config MACH_OMAP_ZOOM3
         bool "OMAP3630 Zoom3 board"
@@ -275,7 +274,7 @@ config MACH_OMAP_ZOOM3
         select SERIAL_8250
         select SERIAL_CORE_CONSOLE
         select SERIAL_8250_CONSOLE
-        select REGULATOR_FIXED_VOLTAGE
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 config MACH_CM_T35
         bool "CompuLab CM-T35/CM-T3730 modules"
@@ -334,7 +333,7 @@ config MACH_OMAP_4430SDP
         depends on ARCH_OMAP4
         select OMAP_PACKAGE_CBL
         select OMAP_PACKAGE_CBS
-        select REGULATOR_FIXED_VOLTAGE
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 config MACH_OMAP4_PANDA
         bool "OMAP4 Panda Board"
@@ -342,7 +341,7 @@ config MACH_OMAP4_PANDA
         depends on ARCH_OMAP4
         select OMAP_PACKAGE_CBL
         select OMAP_PACKAGE_CBS
-        select REGULATOR_FIXED_VOLTAGE
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 config OMAP3_EMU
         bool "OMAP3 debugging peripherals"
@@ -365,8 +364,8 @@ config OMAP3_SDRC_AC_TIMING
           going on could result in system crashes;
 
 config OMAP4_ERRATA_I688
-        bool "OMAP4 errata: Async Bridge Corruption (BROKEN)"
-        depends on ARCH_OMAP4 && BROKEN
+        bool "OMAP4 errata: Async Bridge Corruption"
+        depends on ARCH_OMAP4
         select ARCH_HAS_BARRIERS
         help
           If a data is stalled inside asynchronous bridge because of back
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index fc9b238cbc1..bd76394ccaf 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -11,9 +11,9 @@ hwmod-common				= omap_hwmod.o \
                                           omap_hwmod_common_data.o
 clock-common                            = clock.o clock_common_data.o \
                                           clkt_dpll.o clkt_clksel.o
-secure-common                          = omap-smc.o omap-secure.o
+secure-common                           = omap-smc.o omap-secure.o
 
-obj-$(CONFIG_ARCH_OMAP2) += $(omap-2-3-common) $(hwmod-common) $(secure-common)
+obj-$(CONFIG_ARCH_OMAP2) += $(omap-2-3-common) $(hwmod-common)
 obj-$(CONFIG_ARCH_OMAP3) += $(omap-2-3-common) $(hwmod-common) $(secure-common)
 obj-$(CONFIG_ARCH_OMAP4) += prm44xx.o $(hwmod-common) $(secure-common)
 
diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index 39fba9df17f..4e9071589bf 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -52,8 +52,9 @@
 #define ETH_KS8851_QUART                138
 #define OMAP4_SFH7741_SENSOR_OUTPUT_GPIO        184
 #define OMAP4_SFH7741_ENABLE_GPIO               188
-#define HDMI_GPIO_HPD 60 /* Hot plug pin for HDMI */
+#define HDMI_GPIO_CT_CP_HPD 60 /* HPD mode enable/disable */
 #define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
+#define HDMI_GPIO_HPD  63 /* Hotplug detect */
 #define DISPLAY_SEL_GPIO        59      /* LCD2/PicoDLP switch */
 #define DLP_POWER_ON_GPIO       40
 
@@ -603,8 +604,9 @@ static void __init omap_sfh7741prox_init(void)
 }
 
 static struct gpio sdp4430_hdmi_gpios[] = {
-        { HDMI_GPIO_HPD,        GPIOF_OUT_INIT_HIGH,    "hdmi_gpio_hpd"   },
+        { HDMI_GPIO_CT_CP_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ct_cp_hpd" },
         { HDMI_GPIO_LS_OE,      GPIOF_OUT_INIT_HIGH,    "hdmi_gpio_ls_oe" },
+        { HDMI_GPIO_HPD, GPIOF_DIR_IN, "hdmi_gpio_hpd" },
 };
 
 static int sdp4430_panel_enable_hdmi(struct omap_dss_device *dssdev)
@@ -621,8 +623,7 @@ static int sdp4430_panel_enable_hdmi(struct omap_dss_device *dssdev)
 
 static void sdp4430_panel_disable_hdmi(struct omap_dss_device *dssdev)
 {
-        gpio_free(HDMI_GPIO_LS_OE);
-        gpio_free(HDMI_GPIO_HPD);
+        gpio_free_array(sdp4430_hdmi_gpios, ARRAY_SIZE(sdp4430_hdmi_gpios));
 }
 
 static struct nokia_dsi_panel_data dsi1_panel = {
@@ -738,6 +739,10 @@ static void sdp4430_lcd_init(void)
                 pr_err("%s: Could not get lcd2_reset_gpio\n", __func__);
 }
 
+static struct omap_dss_hdmi_data sdp4430_hdmi_data = {
+        .hpd_gpio = HDMI_GPIO_HPD,
+};
+
 static struct omap_dss_device sdp4430_hdmi_device = {
         .name = "hdmi",
         .driver_name = "hdmi_panel",
@@ -745,6 +750,7 @@ static struct omap_dss_device sdp4430_hdmi_device = {
         .platform_enable = sdp4430_panel_enable_hdmi,
         .platform_disable = sdp4430_panel_disable_hdmi,
         .channel = OMAP_DSS_CHANNEL_DIGIT,
+        .data = &sdp4430_hdmi_data,
 };
 
 static struct picodlp_panel_data sdp4430_picodlp_pdata = {
@@ -808,7 +814,7 @@ static struct omap_dss_board_info sdp4430_dss_data = {
         .default_device = &sdp4430_lcd_device,
 };
 
-static void omap_4430sdp_display_init(void)
+static void __init omap_4430sdp_display_init(void)
 {
         int r;
 
@@ -829,6 +835,10 @@ static void omap_4430sdp_display_init(void)
                 omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP);
         else
                 omap_hdmi_init(0);
+
+        omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT);
+        omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT);
+        omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN);
 }
 
 #ifdef CONFIG_OMAP_MUX
@@ -841,7 +851,7 @@ static struct omap_board_mux board_mux[] __initdata = {
 #define board_mux       NULL
  #endif
 
-static void omap4_sdp4430_wifi_mux_init(void)
+static void __init omap4_sdp4430_wifi_mux_init(void)
 {
         omap_mux_init_gpio(GPIO_WIFI_IRQ, OMAP_PIN_INPUT |
                                 OMAP_PIN_OFF_WAKEUPENABLE);
@@ -868,12 +878,17 @@ static struct wl12xx_platform_data omap4_sdp4430_wlan_data __initdata = {
         .board_tcxo_clock = WL12XX_TCXOCLOCK_26,
 };
 
-static void omap4_sdp4430_wifi_init(void)
+static void __init omap4_sdp4430_wifi_init(void)
 {
+        int ret;
+
         omap4_sdp4430_wifi_mux_init();
-        if (wl12xx_set_platform_data(&omap4_sdp4430_wlan_data))
-                pr_err("Error setting wl12xx data\n");
-        platform_device_register(&omap_vwlan_device);
+        ret = wl12xx_set_platform_data(&omap4_sdp4430_wlan_data);
+        if (ret)
+                pr_err("Error setting wl12xx data: %d\n", ret);
+        ret = platform_device_register(&omap_vwlan_device);
+        if (ret)
+                pr_err("Error registering wl12xx device: %d\n", ret);
 }
 
 static void __init omap_4430sdp_init(void)
diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c
index e921e3be24a..d73316ed420 100644
--- a/arch/arm/mach-omap2/board-cm-t35.c
+++ b/arch/arm/mach-omap2/board-cm-t35.c
@@ -437,7 +437,7 @@ static struct usbhs_omap_board_data usbhs_bdata __initdata = {
         .reset_gpio_port[2]  = -EINVAL
 };
 
-static void cm_t35_init_usbh(void)
+static void  __init cm_t35_init_usbh(void)
 {
         int err;
 
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index d5875606048..ad497620539 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -17,6 +17,7 @@
 #include <linux/i2c/twl.h>
 
 #include <mach/hardware.h>
+#include <asm/hardware/gic.h>
 #include <asm/mach/arch.h>
 
 #include <plat/board.h>
@@ -102,6 +103,7 @@ DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)")
         .map_io         = omap242x_map_io,
         .init_early     = omap2420_init_early,
         .init_irq       = omap2_init_irq,
+        .handle_irq     = omap2_intc_handle_irq,
         .init_machine   = omap_generic_init,
         .timer          = &omap2_timer,
         .dt_compat      = omap242x_boards_compat,
@@ -141,6 +143,7 @@ DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
         .map_io         = omap3_map_io,
         .init_early     = omap3430_init_early,
         .init_irq       = omap3_init_irq,
+        .handle_irq     = omap3_intc_handle_irq,
         .init_machine   = omap3_init,
         .timer          = &omap3_timer,
         .dt_compat      = omap3_boards_compat,
@@ -160,6 +163,7 @@ DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
         .map_io         = omap4_map_io,
         .init_early     = omap4430_init_early,
         .init_irq       = gic_init_irq,
+        .handle_irq     = gic_handle_irq,
         .init_machine   = omap4_init,
         .timer          = &omap4_timer,
         .dt_compat      = omap4_boards_compat,
diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
index 42a4d11fad2..67226271760 100644
--- a/arch/arm/mach-omap2/board-n8x0.c
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -371,7 +371,11 @@ static void n8x0_mmc_callback(void *data, u8 card_mask)
         else
                 *openp = 0;
 
+#ifdef CONFIG_MMC_OMAP
         omap_mmc_notify_cover_event(mmc_device, index, *openp);
+#else
+        pr_warn("MMC: notify cover event not available\n");
+#endif
 }
 
 static int n8x0_mmc_late_init(struct device *dev)
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 003fe34c934..c877236a844 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -381,7 +381,7 @@ static int omap3evm_twl_gpio_setup(struct device *dev,
         gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");
 
         /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
-        gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
+        gpio_leds[0].gpio = gpio + TWL4030_GPIO_MAX + 1;
 
         platform_device_register(&leds_gpio);
 
@@ -617,6 +617,21 @@ static struct gpio omap3_evm_ehci_gpios[] __initdata = {
         { OMAP3_EVM_EHCI_SELECT, GPIOF_OUT_INIT_LOW,   "select EHCI port" },
 };
 
+static void __init omap3_evm_wl12xx_init(void)
+{
+#ifdef CONFIG_WL12XX_PLATFORM_DATA
+        int ret;
+
+        /* WL12xx WLAN Init */
+        ret = wl12xx_set_platform_data(&omap3evm_wlan_data);
+        if (ret)
+                pr_err("error setting wl12xx data: %d\n", ret);
+        ret = platform_device_register(&omap3evm_wlan_regulator);
+        if (ret)
+                pr_err("error registering wl12xx device: %d\n", ret);
+#endif
+}
+
 static void __init omap3_evm_init(void)
 {
         omap3_evm_get_revision();
@@ -665,13 +680,7 @@ static void __init omap3_evm_init(void)
         omap_ads7846_init(1, OMAP3_EVM_TS_GPIO, 310, NULL);
         omap3evm_init_smsc911x();
         omap3_evm_display_init();
-
-#ifdef CONFIG_WL12XX_PLATFORM_DATA
-        /* WL12xx WLAN Init */
-        if (wl12xx_set_platform_data(&omap3evm_wlan_data))
-                pr_err("error setting wl12xx data\n");
-        platform_device_register(&omap3evm_wlan_regulator);
-#endif
+        omap3_evm_wl12xx_init();
 }
 
 MACHINE_START(OMAP3EVM, "OMAP3 EVM")
diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
index 30ad40db2cf..28fc271f703 100644
--- a/arch/arm/mach-omap2/board-omap4panda.c
+++ b/arch/arm/mach-omap2/board-omap4panda.c
@@ -51,8 +51,9 @@
 #define GPIO_HUB_NRESET         62
 #define GPIO_WIFI_PMENA         43
 #define GPIO_WIFI_IRQ           53
-#define HDMI_GPIO_HPD 60 /* Hot plug pin for HDMI */
+#define HDMI_GPIO_CT_CP_HPD 60 /* HPD mode enable/disable */
 #define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
+#define HDMI_GPIO_HPD  63 /* Hotplug detect */
 
 /* wl127x BT, FM, GPS connectivity chip */
 static int wl1271_gpios[] = {46, -1, -1};
@@ -413,8 +414,9 @@ int __init omap4_panda_dvi_init(void)
 }
 
 static struct gpio panda_hdmi_gpios[] = {
-        { HDMI_GPIO_HPD,        GPIOF_OUT_INIT_HIGH, "hdmi_gpio_hpd"   },
+        { HDMI_GPIO_CT_CP_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ct_cp_hpd" },
         { HDMI_GPIO_LS_OE,      GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" },
+        { HDMI_GPIO_HPD, GPIOF_DIR_IN, "hdmi_gpio_hpd" },
 };
 
 static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev)
@@ -431,10 +433,13 @@ static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev)
 
 static void omap4_panda_panel_disable_hdmi(struct omap_dss_device *dssdev)
 {
-        gpio_free(HDMI_GPIO_LS_OE);
-        gpio_free(HDMI_GPIO_HPD);
+        gpio_free_array(panda_hdmi_gpios, ARRAY_SIZE(panda_hdmi_gpios));
 }
 
+static struct omap_dss_hdmi_data omap4_panda_hdmi_data = {
+        .hpd_gpio = HDMI_GPIO_HPD,
+};
+
 static struct omap_dss_device  omap4_panda_hdmi_device = {
         .name = "hdmi",
         .driver_name = "hdmi_panel",
@@ -442,6 +447,7 @@ static struct omap_dss_device  omap4_panda_hdmi_device = {
         .platform_enable = omap4_panda_panel_enable_hdmi,
         .platform_disable = omap4_panda_panel_disable_hdmi,
         .channel = OMAP_DSS_CHANNEL_DIGIT,
+        .data = &omap4_panda_hdmi_data,
 };
 
 static struct omap_dss_device *omap4_panda_dss_devices[] = {
@@ -473,18 +479,24 @@ void omap4_panda_display_init(void)
                 omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP);
         else
                 omap_hdmi_init(0);
+
+        omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT);
+        omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT);
+        omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN);
 }
 
 static void __init omap4_panda_init(void)
 {
         int package = OMAP_PACKAGE_CBS;
+        int ret;
 
         if (omap_rev() == OMAP4430_REV_ES1_0)
                 package = OMAP_PACKAGE_CBL;
         omap4_mux_init(board_mux, NULL, package);
 
-        if (wl12xx_set_platform_data(&omap_panda_wlan_data))
-                pr_err("error setting wl12xx data\n");
+        ret = wl12xx_set_platform_data(&omap_panda_wlan_data);
+        if (ret)
+                pr_err("error setting wl12xx data: %d\n", ret);
 
         omap4_panda_i2c_init();
         platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c b/arch/arm/mach-omap2/board-zoom-peripherals.c
index 8d7ce11cfea..c126461836a 100644
--- a/arch/arm/mach-omap2/board-zoom-peripherals.c
+++ b/arch/arm/mach-omap2/board-zoom-peripherals.c
@@ -296,8 +296,10 @@ static void enable_board_wakeup_source(void)
 
 void __init zoom_peripherals_init(void)
 {
-        if (wl12xx_set_platform_data(&omap_zoom_wlan_data))
-                pr_err("error setting wl12xx data\n");
+        int ret = wl12xx_set_platform_data(&omap_zoom_wlan_data);
+
+        if (ret)
+                pr_err("error setting wl12xx data: %d\n", ret);
 
         omap_i2c_init();
         platform_device_register(&omap_vwlan_device);
diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h
index febffde2ff1..7e9338e8d68 100644
--- a/arch/arm/mach-omap2/common.h
+++ b/arch/arm/mach-omap2/common.h
@@ -132,6 +132,7 @@ void omap3_map_io(void);
 void am33xx_map_io(void);
 void omap4_map_io(void);
 void ti81xx_map_io(void);
+void omap_barriers_init(void);
 
 /**
  * omap_test_timeout - busy-loop, testing a condition
diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c
index cfdbb86bc84..72e018b9b26 100644
--- a/arch/arm/mach-omap2/cpuidle44xx.c
+++ b/arch/arm/mach-omap2/cpuidle44xx.c
@@ -65,7 +65,6 @@ static int omap4_enter_idle(struct cpuidle_device *dev,
         struct timespec ts_preidle, ts_postidle, ts_idle;
         u32 cpu1_state;
         int idle_time;
-        int new_state_idx;
         int cpu_id = smp_processor_id();
 
         /* Used to keep track of the total time in idle */
@@ -84,8 +83,8 @@ static int omap4_enter_idle(struct cpuidle_device *dev,
          */
         cpu1_state = pwrdm_read_pwrst(cpu1_pd);
         if (cpu1_state != PWRDM_POWER_OFF) {
-                new_state_idx = drv->safe_state_index;
-                cx = cpuidle_get_statedata(&dev->states_usage[new_state_idx]);
+                index = drv->safe_state_index;
+                cx = cpuidle_get_statedata(&dev->states_usage[index]);
         }
 
         if (index > 0)
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 0b510ad01a0..283d11eae69 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -405,6 +405,7 @@ static int omap_mcspi_init(struct omap_hwmod *oh, void *unused)
                         break;
         default:
                         pr_err("Invalid McSPI Revision value\n");
+                        kfree(pdata);
                         return -EINVAL;
         }
 
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index 3c446d1a178..3677b1f58b8 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -103,12 +103,8 @@ static void omap4_hdmi_mux_pads(enum omap_hdmi_flags flags)
         u32 reg;
         u16 control_i2c_1;
 
-        /* PAD0_HDMI_HPD_PAD1_HDMI_CEC */
-        omap_mux_init_signal("hdmi_hpd",
-                        OMAP_PIN_INPUT_PULLUP);
         omap_mux_init_signal("hdmi_cec",
                         OMAP_PIN_INPUT_PULLUP);
-        /* PAD0_HDMI_DDC_SCL_PAD1_HDMI_DDC_SDA */
         omap_mux_init_signal("hdmi_ddc_scl",
                         OMAP_PIN_INPUT_PULLUP);
         omap_mux_init_signal("hdmi_ddc_sda",
diff --git a/arch/arm/mach-omap2/gpmc-smsc911x.c b/arch/arm/mach-omap2/gpmc-smsc911x.c
index 997033129d2..bbb870c04a5 100644
--- a/arch/arm/mach-omap2/gpmc-smsc911x.c
+++ b/arch/arm/mach-omap2/gpmc-smsc911x.c
@@ -19,6 +19,8 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/smsc911x.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 
 #include <plat/board.h>
 #include <plat/gpmc.h>
@@ -42,6 +44,50 @@ static struct smsc911x_platform_config gpmc_smsc911x_config = {
         .flags          = SMSC911X_USE_16BIT,
 };
 
+static struct regulator_consumer_supply gpmc_smsc911x_supply[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
+};
+
+/* Generic regulator definition to satisfy smsc911x */
+static struct regulator_init_data gpmc_smsc911x_reg_init_data = {
+        .constraints = {
+                .min_uV                 = 3300000,
+                .max_uV                 = 3300000,
+                .valid_modes_mask       = REGULATOR_MODE_NORMAL
+                                        | REGULATOR_MODE_STANDBY,
+                .valid_ops_mask         = REGULATOR_CHANGE_MODE
+                                        | REGULATOR_CHANGE_STATUS,
+        },
+        .num_consumer_supplies  = ARRAY_SIZE(gpmc_smsc911x_supply),
+        .consumer_supplies      = gpmc_smsc911x_supply,
+};
+
+static struct fixed_voltage_config gpmc_smsc911x_fixed_reg_data = {
+        .supply_name            = "gpmc_smsc911x",
+        .microvolts             = 3300000,
+        .gpio                   = -EINVAL,
+        .startup_delay          = 0,
+        .enable_high            = 0,
+        .enabled_at_boot        = 1,
+        .init_data              = &gpmc_smsc911x_reg_init_data,
+};
+
+/*
+ * Platform device id of 42 is a temporary fix to avoid conflicts
+ * with other reg-fixed-voltage devices. The real fix should
+ * involve the driver core providing a way of dynamically
+ * assigning a unique id on registration for platform devices
+ * in the same name space.
+ */
+static struct platform_device gpmc_smsc911x_regulator = {
+        .name           = "reg-fixed-voltage",
+        .id             = 42,
+        .dev = {
+                .platform_data  = &gpmc_smsc911x_fixed_reg_data,
+        },
+};
+
 /*
  * Initialize smsc911x device connected to the GPMC. Note that we
  * assume that pin multiplexing is done in the board-*.c file,
@@ -55,6 +101,12 @@ void __init gpmc_smsc911x_init(struct omap_smsc911x_platform_data *board_data)
 
         gpmc_cfg = board_data;
 
+        ret = platform_device_register(&gpmc_smsc911x_regulator);
+        if (ret < 0) {
+                pr_err("Unable to register smsc911x regulators: %d\n", ret);
+                return;
+        }
+
         if (gpmc_cs_request(gpmc_cfg->cs, SZ_16M, &cs_mem_base) < 0) {
                 pr_err("Failed to request GPMC mem region\n");
                 return;
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 130034bf01d..dfffbbf4c00 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -528,7 +528,13 @@ int gpmc_cs_configure(int cs, int cmd, int wval)
 
         case GPMC_CONFIG_DEV_SIZE:
                 regval  = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
+
+                /* clear 2 target bits */
+                regval &= ~GPMC_CONFIG1_DEVICESIZE(3);
+
+                /* set the proper value */
                 regval |= GPMC_CONFIG1_DEVICESIZE(wval);
+
                 gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, regval);
                 break;
 
diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
index bd844af13af..19dd1657245 100644
--- a/arch/arm/mach-omap2/hsmmc.c
+++ b/arch/arm/mach-omap2/hsmmc.c
@@ -175,14 +175,15 @@ static void hsmmc2_select_input_clk_src(struct omap_mmc_platform_data *mmc)
 {
         u32 reg;
 
-        if (mmc->slots[0].internal_clock) {
-                reg = omap_ctrl_readl(control_devconf1_offset);
+        reg = omap_ctrl_readl(control_devconf1_offset);
+        if (mmc->slots[0].internal_clock)
                 reg |= OMAP2_MMCSDIO2ADPCLKISEL;
-                omap_ctrl_writel(reg, control_devconf1_offset);
-        }
+        else
+                reg &= ~OMAP2_MMCSDIO2ADPCLKISEL;
+        omap_ctrl_writel(reg, control_devconf1_offset);
 }
 
-static void hsmmc23_before_set_reg(struct device *dev, int slot,
+static void hsmmc2_before_set_reg(struct device *dev, int slot,
                                    int power_on, int vdd)
 {
         struct omap_mmc_platform_data *mmc = dev->platform_data;
@@ -292,8 +293,8 @@ static inline void omap_hsmmc_mux(struct omap_mmc_platform_data *mmc_controller,
         }
 }
 
-static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c,
-                                        struct omap_mmc_platform_data *mmc)
+static int omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c,
+                                 struct omap_mmc_platform_data *mmc)
 {
         char *hc_name;
 
@@ -407,14 +408,13 @@ static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c,
                         c->caps &= ~MMC_CAP_8_BIT_DATA;
                         c->caps |= MMC_CAP_4_BIT_DATA;
                 }
-                /* FALLTHROUGH */
-        case 3:
                 if (mmc->slots[0].features & HSMMC_HAS_PBIAS) {
                         /* off-chip level shifting, or none */
-                        mmc->slots[0].before_set_reg = hsmmc23_before_set_reg;
+                        mmc->slots[0].before_set_reg = hsmmc2_before_set_reg;
                         mmc->slots[0].after_set_reg = NULL;
                 }
                 break;
+        case 3:
         case 4:
         case 5:
                 mmc->slots[0].before_set_reg = NULL;
@@ -428,9 +428,10 @@ static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c,
         return 0;
 }
 
+static int omap_hsmmc_done;
 #define MAX_OMAP_MMC_HWMOD_NAME_LEN             16
 
-void __init omap_init_hsmmc(struct omap2_hsmmc_info *hsmmcinfo, int ctrl_nr)
+void omap_init_hsmmc(struct omap2_hsmmc_info *hsmmcinfo, int ctrl_nr)
 {
         struct omap_hwmod *oh;
         struct platform_device *pdev;
@@ -487,10 +488,15 @@ done:
         kfree(mmc_data);
 }
 
-void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers)
+void omap2_hsmmc_init(struct omap2_hsmmc_info *controllers)
 {
         u32 reg;
 
+        if (omap_hsmmc_done)
+                return;
+
+        omap_hsmmc_done = 1;
+
         if (!cpu_is_omap44xx()) {
                 if (cpu_is_omap2430()) {
                         control_pbias_offset = OMAP243X_CONTROL_PBIAS_LITE;
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 3f174d51f67..fb11b44fbde 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -307,6 +307,7 @@ void __init omapam33xx_map_common_io(void)
 void __init omap44xx_map_common_io(void)
 {
         iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
+        omap_barriers_init();
 }
 #endif
 
@@ -388,7 +389,7 @@ static void __init omap_hwmod_init_postsetup(void)
         omap_pm_if_early_init();
 }
 
-#ifdef CONFIG_ARCH_OMAP2
+#ifdef CONFIG_SOC_OMAP2420
 void __init omap2420_init_early(void)
 {
         omap2_set_globals_242x();
@@ -400,7 +401,9 @@ void __init omap2420_init_early(void)
         omap_hwmod_init_postsetup();
         omap2420_clk_init();
 }
+#endif
 
+#ifdef CONFIG_SOC_OMAP2430
 void __init omap2430_init_early(void)
 {
         omap2_set_globals_243x();
diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
index 609ea2ded7e..2cc1aa004b9 100644
--- a/arch/arm/mach-omap2/mailbox.c
+++ b/arch/arm/mach-omap2/mailbox.c
@@ -281,8 +281,16 @@ static struct omap_mbox mbox_iva_info = {
         .ops    = &omap2_mbox_ops,
         .priv   = &omap2_mbox_iva_priv,
 };
+#endif
 
-struct omap_mbox *omap2_mboxes[] = { &mbox_dsp_info, &mbox_iva_info, NULL };
+#ifdef CONFIG_ARCH_OMAP2
+struct omap_mbox *omap2_mboxes[] = {
+        &mbox_dsp_info,
+#ifdef CONFIG_SOC_OMAP2420
+        &mbox_iva_info,
+#endif
+        NULL
+};
 #endif
 
 #if defined(CONFIG_ARCH_OMAP4)
@@ -412,7 +420,8 @@ static void __exit omap2_mbox_exit(void)
         platform_driver_unregister(&omap2_mbox_driver);
 }
 
-module_init(omap2_mbox_init);
+/* must be ready before omap3isp is probed */
+subsys_initcall(omap2_mbox_init);
 module_exit(omap2_mbox_exit);
 
 MODULE_LICENSE("GPL v2");
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index e1cc75d1a57..611a0e3d54c 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -100,8 +100,8 @@ void omap_mux_write_array(struct omap_mux_partition *partition,
 
 static char *omap_mux_options;
 
-static int __init _omap_mux_init_gpio(struct omap_mux_partition *partition,
-                                      int gpio, int val)
+static int _omap_mux_init_gpio(struct omap_mux_partition *partition,
+                               int gpio, int val)
 {
         struct omap_mux_entry *e;
         struct omap_mux *gpio_mux = NULL;
@@ -145,7 +145,7 @@ static int __init _omap_mux_init_gpio(struct omap_mux_partition *partition,
         return 0;
 }
 
-int __init omap_mux_init_gpio(int gpio, int val)
+int omap_mux_init_gpio(int gpio, int val)
 {
         struct omap_mux_partition *partition;
         int ret;
@@ -159,9 +159,9 @@ int __init omap_mux_init_gpio(int gpio, int val)
         return -ENODEV;
 }
 
-static int __init _omap_mux_get_by_name(struct omap_mux_partition *partition,
-                                        const char *muxname,
-                                        struct omap_mux **found_mux)
+static int _omap_mux_get_by_name(struct omap_mux_partition *partition,
+                                 const char *muxname,
+                                 struct omap_mux **found_mux)
 {
         struct omap_mux *mux = NULL;
         struct omap_mux_entry *e;
@@ -218,7 +218,7 @@ static int __init _omap_mux_get_by_name(struct omap_mux_partition *partition,
         return -ENODEV;
 }
 
-static int __init
+static int
 omap_mux_get_by_name(const char *muxname,
                         struct omap_mux_partition **found_partition,
                         struct omap_mux **found_mux)
@@ -240,7 +240,7 @@ omap_mux_get_by_name(const char *muxname,
         return -ENODEV;
 }
 
-int __init omap_mux_init_signal(const char *muxname, int val)
+int omap_mux_init_signal(const char *muxname, int val)
 {
         struct omap_mux_partition *partition = NULL;
         struct omap_mux *mux = NULL;
@@ -1094,8 +1094,8 @@ static void omap_mux_init_package(struct omap_mux *superset,
                 omap_mux_package_init_balls(package_balls, superset);
 }
 
-static void omap_mux_init_signals(struct omap_mux_partition *partition,
-                                  struct omap_board_mux *board_mux)
+static void __init omap_mux_init_signals(struct omap_mux_partition *partition,
+                                         struct omap_board_mux *board_mux)
 {
         omap_mux_set_cmdline_signals();
         omap_mux_write_array(partition, board_mux);
@@ -1109,8 +1109,8 @@ static void omap_mux_init_package(struct omap_mux *superset,
 {
 }
 
-static void omap_mux_init_signals(struct omap_mux_partition *partition,
-                                  struct omap_board_mux *board_mux)
+static void __init omap_mux_init_signals(struct omap_mux_partition *partition,
+                                         struct omap_board_mux *board_mux)
 {
 }
 
diff --git a/arch/arm/mach-omap2/omap-headsmp.S b/arch/arm/mach-omap2/omap-headsmp.S
index b13ef7ef5ef..503ac777a2b 100644
--- a/arch/arm/mach-omap2/omap-headsmp.S
+++ b/arch/arm/mach-omap2/omap-headsmp.S
@@ -18,6 +18,7 @@
 #include <linux/linkage.h>
 #include <linux/init.h>
 
+        __CPUINIT
 /*
  * OMAP4 specific entry point for secondary CPU to jump from ROM
  * code.  This routine also provides a holding flag into which
diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
index 40a8fbc07e4..ebc59509131 100644
--- a/arch/arm/mach-omap2/omap4-common.c
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -24,6 +24,7 @@
 
 #include <plat/irqs.h>
 #include <plat/sram.h>
+#include <plat/omap-secure.h>
 
 #include <mach/hardware.h>
 #include <mach/omap-wakeupgen.h>
@@ -43,6 +44,9 @@ static void __iomem *sar_ram_base;
 
 void __iomem *dram_sync, *sram_sync;
 
+static phys_addr_t paddr;
+static u32 size;
+
 void omap_bus_sync(void)
 {
         if (dram_sync && sram_sync) {
@@ -52,18 +56,20 @@ void omap_bus_sync(void)
         }
 }
 
-static int __init omap_barriers_init(void)
+/* Steal one page physical memory for barrier implementation */
+int __init omap_barrier_reserve_memblock(void)
 {
-        struct map_desc dram_io_desc[1];
-        phys_addr_t paddr;
-        u32 size;
-
-        if (!cpu_is_omap44xx())
-                return -ENODEV;
 
         size = ALIGN(PAGE_SIZE, SZ_1M);
         paddr = arm_memblock_steal(size, SZ_1M);
 
+        return 0;
+}
+
+void __init omap_barriers_init(void)
+{
+        struct map_desc dram_io_desc[1];
+
         dram_io_desc[0].virtual = OMAP4_DRAM_BARRIER_VA;
         dram_io_desc[0].pfn = __phys_to_pfn(paddr);
         dram_io_desc[0].length = size;
@@ -75,9 +81,10 @@ static int __init omap_barriers_init(void)
         pr_info("OMAP4: Map 0x%08llx to 0x%08lx for dram barrier\n",
                 (long long) paddr, dram_io_desc[0].virtual);
 
-        return 0;
 }
-core_initcall(omap_barriers_init);
+#else
+void __init omap_barriers_init(void)
+{}
 #endif
 
 void __init gic_init_irq(void)
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 5192cabb40e..eba6cd3816f 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -1517,8 +1517,8 @@ static int _enable(struct omap_hwmod *oh)
         if (oh->_state != _HWMOD_STATE_INITIALIZED &&
             oh->_state != _HWMOD_STATE_IDLE &&
             oh->_state != _HWMOD_STATE_DISABLED) {
-                WARN(1, "omap_hwmod: %s: enabled state can only be entered "
-                     "from initialized, idle, or disabled state\n", oh->name);
+                WARN(1, "omap_hwmod: %s: enabled state can only be entered from initialized, idle, or disabled state\n",
+                        oh->name);
                 return -EINVAL;
         }
 
@@ -1600,8 +1600,8 @@ static int _idle(struct omap_hwmod *oh)
         pr_debug("omap_hwmod: %s: idling\n", oh->name);
 
         if (oh->_state != _HWMOD_STATE_ENABLED) {
-                WARN(1, "omap_hwmod: %s: idle state can only be entered from "
-                     "enabled state\n", oh->name);
+                WARN(1, "omap_hwmod: %s: idle state can only be entered from enabled state\n",
+                        oh->name);
                 return -EINVAL;
         }
 
@@ -1682,8 +1682,8 @@ static int _shutdown(struct omap_hwmod *oh)
 
         if (oh->_state != _HWMOD_STATE_IDLE &&
             oh->_state != _HWMOD_STATE_ENABLED) {
-                WARN(1, "omap_hwmod: %s: disabled state can only be entered "
-                     "from idle, or enabled state\n", oh->name);
+                WARN(1, "omap_hwmod: %s: disabled state can only be entered from idle, or enabled state\n",
+                        oh->name);
                 return -EINVAL;
         }
 
@@ -2240,8 +2240,8 @@ void omap_hwmod_ocp_barrier(struct omap_hwmod *oh)
         BUG_ON(!oh);
 
         if (!oh->class->sysc || !oh->class->sysc->sysc_flags) {
-                WARN(1, "omap_device: %s: OCP barrier impossible due to "
-                      "device configuration\n", oh->name);
+                WARN(1, "omap_device: %s: OCP barrier impossible due to device configuration\n",
+                        oh->name);
                 return;
         }
 
diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c
index c11273da5dc..f08e442af39 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c
@@ -56,27 +56,6 @@ struct omap_hwmod_class omap2_dss_hwmod_class = {
 };
 
 /*
- * 'dispc' class
- * display controller
- */
-
-static struct omap_hwmod_class_sysconfig omap2_dispc_sysc = {
-        .rev_offs       = 0x0000,
-        .sysc_offs      = 0x0010,
-        .syss_offs      = 0x0014,
-        .sysc_flags     = (SYSC_HAS_SIDLEMODE | SYSC_HAS_MIDLEMODE |
-                           SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE),
-        .idlemodes      = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
-                           MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART),
-        .sysc_fields    = &omap_hwmod_sysc_type1,
-};
-
-struct omap_hwmod_class omap2_dispc_hwmod_class = {
-        .name   = "dispc",
-        .sysc   = &omap2_dispc_sysc,
-};
-
-/*
  * 'rfbi' class
  * remote frame buffer interface
  */
diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
index 177dee20fae..2a6729741b0 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
@@ -28,6 +28,28 @@ struct omap_hwmod_dma_info omap2xxx_dss_sdma_chs[] = {
         { .name = "dispc", .dma_req = 5 },
         { .dma_req = -1 }
 };
+
+/*
+ * 'dispc' class
+ * display controller
+ */
+
+static struct omap_hwmod_class_sysconfig omap2_dispc_sysc = {
+        .rev_offs       = 0x0000,
+        .sysc_offs      = 0x0010,
+        .syss_offs      = 0x0014,
+        .sysc_flags     = (SYSC_HAS_SIDLEMODE | SYSC_HAS_MIDLEMODE |
+                           SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE),
+        .idlemodes      = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
+                           MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART),
+        .sysc_fields    = &omap_hwmod_sysc_type1,
+};
+
+struct omap_hwmod_class omap2_dispc_hwmod_class = {
+        .name   = "dispc",
+        .sysc   = &omap2_dispc_sysc,
+};
+
 /* OMAP2xxx Timer Common */
 static struct omap_hwmod_class_sysconfig omap2xxx_timer_sysc = {
         .rev_offs       = 0x0000,
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index 5324e8d93bc..3c8dd928628 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -1480,6 +1480,28 @@ static struct omap_hwmod omap3xxx_dss_core_hwmod = {
         .masters_cnt    = ARRAY_SIZE(omap3xxx_dss_masters),
 };
 
+/*
+ * 'dispc' class
+ * display controller
+ */
+
+static struct omap_hwmod_class_sysconfig omap3_dispc_sysc = {
+        .rev_offs       = 0x0000,
+        .sysc_offs      = 0x0010,
+        .syss_offs      = 0x0014,
+        .sysc_flags     = (SYSC_HAS_SIDLEMODE | SYSC_HAS_MIDLEMODE |
+                           SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE |
+                           SYSC_HAS_ENAWAKEUP),
+        .idlemodes      = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
+                           MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART),
+        .sysc_fields    = &omap_hwmod_sysc_type1,
+};
+
+static struct omap_hwmod_class omap3_dispc_hwmod_class = {
+        .name   = "dispc",
+        .sysc   = &omap3_dispc_sysc,
+};
+
 /* l4_core -> dss_dispc */
 static struct omap_hwmod_ocp_if omap3xxx_l4_core__dss_dispc = {
         .master         = &omap3xxx_l4_core_hwmod,
@@ -1503,7 +1525,7 @@ static struct omap_hwmod_ocp_if *omap3xxx_dss_dispc_slaves[] = {
 
 static struct omap_hwmod omap3xxx_dss_dispc_hwmod = {
         .name           = "dss_dispc",
-        .class          = &omap2_dispc_hwmod_class,
+        .class          = &omap3_dispc_hwmod_class,
         .mpu_irqs       = omap2_dispc_irqs,
         .main_clk       = "dss1_alwon_fck",
         .prcm           = {
@@ -3523,12 +3545,6 @@ static __initdata struct omap_hwmod *omap3xxx_hwmods[] = {
         &omap3xxx_uart2_hwmod,
         &omap3xxx_uart3_hwmod,
 
-        /* dss class */
-        &omap3xxx_dss_dispc_hwmod,
-        &omap3xxx_dss_dsi1_hwmod,
-        &omap3xxx_dss_rfbi_hwmod,
-        &omap3xxx_dss_venc_hwmod,
-
         /* i2c class */
         &omap3xxx_i2c1_hwmod,
         &omap3xxx_i2c2_hwmod,
@@ -3635,6 +3651,15 @@ static __initdata struct omap_hwmod *am35xx_hwmods[] = {
         NULL
 };
 
+static __initdata struct omap_hwmod *omap3xxx_dss_hwmods[] = {
+        /* dss class */
+        &omap3xxx_dss_dispc_hwmod,
+        &omap3xxx_dss_dsi1_hwmod,
+        &omap3xxx_dss_rfbi_hwmod,
+        &omap3xxx_dss_venc_hwmod,
+        NULL
+};
+
 int __init omap3xxx_hwmod_init(void)
 {
         int r;
@@ -3708,6 +3733,21 @@ int __init omap3xxx_hwmod_init(void)
 
         if (h)
                 r = omap_hwmod_register(h);
+        if (r < 0)
+                return r;
+
+        /*
+         * DSS code presumes that dss_core hwmod is handled first,
+         * _before_ any other DSS related hwmods so register common
+         * DSS hwmods last to ensure that dss_core is already registered.
+         * Otherwise some change things may happen, for ex. if dispc
+         * is handled before dss_core and DSS is enabled in bootloader
+         * DIPSC will be reset with outputs enabled which sometimes leads
+         * to unrecoverable L3 error.
+         * XXX The long-term fix to this is to ensure modules are set up
+         * in dependency order in the hwmod core code.
+         */
+        r = omap_hwmod_register(omap3xxx_dss_hwmods);
 
         return r;
 }
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index f9f15108176..ef0524c10a8 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -1031,6 +1031,7 @@ static struct omap_hwmod_dma_info omap44xx_dmic_sdma_reqs[] = {
 
 static struct omap_hwmod_addr_space omap44xx_dmic_addrs[] = {
         {
+                .name           = "mpu",
                 .pa_start       = 0x4012e000,
                 .pa_end         = 0x4012e07f,
                 .flags          = ADDR_TYPE_RT
@@ -1049,6 +1050,7 @@ static struct omap_hwmod_ocp_if omap44xx_l4_abe__dmic = {
 
 static struct omap_hwmod_addr_space omap44xx_dmic_dma_addrs[] = {
         {
+                .name           = "dma",
                 .pa_start       = 0x4902e000,
                 .pa_end         = 0x4902e07f,
                 .flags          = ADDR_TYPE_RT
diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c
index 1881fe91514..5a65dd04aa3 100644
--- a/arch/arm/mach-omap2/pm.c
+++ b/arch/arm/mach-omap2/pm.c
@@ -174,14 +174,17 @@ static int __init omap2_set_init_voltage(char *vdd_name, char *clk_name,
         freq = clk->rate;
         clk_put(clk);
 
+        rcu_read_lock();
         opp = opp_find_freq_ceil(dev, &freq);
         if (IS_ERR(opp)) {
+                rcu_read_unlock();
                 pr_err("%s: unable to find boot up OPP for vdd_%s\n",
                         __func__, vdd_name);
                 goto exit;
         }
 
         bootup_volt = opp_get_voltage(opp);
+        rcu_read_unlock();
         if (!bootup_volt) {
                 pr_err("%s: unable to find voltage corresponding "
                         "to the bootup OPP for vdd_%s\n", __func__, vdd_name);
diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c
index b8822f8b289..23de98d0384 100644
--- a/arch/arm/mach-omap2/pm24xx.c
+++ b/arch/arm/mach-omap2/pm24xx.c
@@ -82,13 +82,7 @@ static int omap2_fclks_active(void)
         f1 = omap2_cm_read_mod_reg(CORE_MOD, CM_FCLKEN1);
         f2 = omap2_cm_read_mod_reg(CORE_MOD, OMAP24XX_CM_FCLKEN2);
 
-        /* Ignore UART clocks.  These are handled by UART core (serial.c) */
-        f1 &= ~(OMAP24XX_EN_UART1_MASK | OMAP24XX_EN_UART2_MASK);
-        f2 &= ~OMAP24XX_EN_UART3_MASK;
-
-        if (f1 | f2)
-                return 1;
-        return 0;
+        return (f1 | f2) ? 1 : 0;
 }
 
 static void omap2_enter_full_retention(void)
diff --git a/arch/arm/mach-omap2/prm2xxx_3xxx.c b/arch/arm/mach-omap2/prm2xxx_3xxx.c
index c1c4d86a79a..9ce765407ad 100644
--- a/arch/arm/mach-omap2/prm2xxx_3xxx.c
+++ b/arch/arm/mach-omap2/prm2xxx_3xxx.c
@@ -19,6 +19,7 @@
 #include "common.h"
 #include <plat/cpu.h>
 #include <plat/prcm.h>
+#include <plat/irqs.h>
 
 #include "vp.h"
 
diff --git a/arch/arm/mach-omap2/prm44xx.c b/arch/arm/mach-omap2/prm44xx.c
index 33dd655e6aa..a1d6154dc12 100644
--- a/arch/arm/mach-omap2/prm44xx.c
+++ b/arch/arm/mach-omap2/prm44xx.c
@@ -19,6 +19,7 @@
 
 #include "common.h"
 #include <plat/cpu.h>
+#include <plat/irqs.h>
 #include <plat/prcm.h>
 
 #include "vp.h"
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 247d89478f2..f590afc1f67 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -107,18 +107,18 @@ static void omap_uart_set_noidle(struct platform_device *pdev)
         omap_hwmod_set_slave_idlemode(od->hwmods[0], HWMOD_IDLEMODE_NO);
 }
 
-static void omap_uart_set_forceidle(struct platform_device *pdev)
+static void omap_uart_set_smartidle(struct platform_device *pdev)
 {
         struct omap_device *od = to_omap_device(pdev);
 
-        omap_hwmod_set_slave_idlemode(od->hwmods[0], HWMOD_IDLEMODE_FORCE);
+        omap_hwmod_set_slave_idlemode(od->hwmods[0], HWMOD_IDLEMODE_SMART);
 }
 
 #else
 static void omap_uart_enable_wakeup(struct platform_device *pdev, bool enable)
 {}
 static void omap_uart_set_noidle(struct platform_device *pdev) {}
-static void omap_uart_set_forceidle(struct platform_device *pdev) {}
+static void omap_uart_set_smartidle(struct platform_device *pdev) {}
 #endif /* CONFIG_PM */
 
 #ifdef CONFIG_OMAP_MUX
@@ -349,7 +349,7 @@ void __init omap_serial_init_port(struct omap_board_data *bdata,
         omap_up.uartclk = OMAP24XX_BASE_BAUD * 16;
         omap_up.flags = UPF_BOOT_AUTOCONF;
         omap_up.get_context_loss_count = omap_pm_get_dev_context_loss_count;
-        omap_up.set_forceidle = omap_uart_set_forceidle;
+        omap_up.set_forceidle = omap_uart_set_smartidle;
         omap_up.set_noidle = omap_uart_set_noidle;
         omap_up.enable_wakeup = omap_uart_enable_wakeup;
         omap_up.dma_rx_buf_size = info->dma_rx_buf_size;
diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c
index 9dd93453e56..7e755bb0ffc 100644
--- a/arch/arm/mach-omap2/smartreflex.c
+++ b/arch/arm/mach-omap2/smartreflex.c
@@ -897,7 +897,7 @@ static int __init omap_sr_probe(struct platform_device *pdev)
                 ret = sr_late_init(sr_info);
                 if (ret) {
                         pr_warning("%s: Error in SR late init\n", __func__);
-                        return ret;
+                        goto err_iounmap;
                 }
         }
 
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index 6eeff0e0ae0..5c9acea9576 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -270,7 +270,7 @@ static struct clocksource clocksource_gpt = {
 static u32 notrace dmtimer_read_sched_clock(void)
 {
         if (clksrc.reserved)
-                return __omap_dm_timer_read_counter(clksrc.io_base, 1);
+                return __omap_dm_timer_read_counter(&clksrc, 1);
 
         return 0;
 }
diff --git a/arch/arm/mach-omap2/usb-host.c b/arch/arm/mach-omap2/usb-host.c
index 771dc781b74..f51348dafaf 100644
--- a/arch/arm/mach-omap2/usb-host.c
+++ b/arch/arm/mach-omap2/usb-host.c
@@ -486,7 +486,7 @@ static void setup_4430ohci_io_mux(const enum usbhs_omap_port_mode *port_mode)
 void __init usbhs_init(const struct usbhs_omap_board_data *pdata)
 {
         struct omap_hwmod       *oh[2];
-        struct omap_device      *od;
+        struct platform_device  *pdev;
         int                     bus_id = -1;
         int                     i;
 
@@ -522,11 +522,11 @@ void __init usbhs_init(const struct usbhs_omap_board_data *pdata)
                 return;
         }
 
-        od = omap_device_build_ss(OMAP_USBHS_DEVICE, bus_id, oh, 2,
+        pdev = omap_device_build_ss(OMAP_USBHS_DEVICE, bus_id, oh, 2,
                                 (void *)&usbhs_data, sizeof(usbhs_data),
                                 omap_uhhtll_latency,
                                 ARRAY_SIZE(omap_uhhtll_latency), false);
-        if (IS_ERR(od)) {
+        if (IS_ERR(pdev)) {
                 pr_err("Could not build hwmod devices %s,%s\n",
                         USBHS_UHH_HWMODNAME, USBHS_TLL_HWMODNAME);
                 return;
diff --git a/arch/arm/mach-omap2/vc.c b/arch/arm/mach-omap2/vc.c
index 031d116fbf1..175b7d86d86 100644
--- a/arch/arm/mach-omap2/vc.c
+++ b/arch/arm/mach-omap2/vc.c
@@ -247,7 +247,7 @@ static void __init omap4_vc_init_channel(struct voltagedomain *voltdm)
  * omap_vc_i2c_init - initialize I2C interface to PMIC
  * @voltdm: voltage domain containing VC data
  *
- * Use PMIC supplied seetings for I2C high-speed mode and
+ * Use PMIC supplied settings for I2C high-speed mode and
  * master code (if set) and program the VC I2C configuration
  * register.
  *
@@ -265,8 +265,8 @@ static void __init omap_vc_i2c_init(struct voltagedomain *voltdm)
 
         if (initialized) {
                 if (voltdm->pmic->i2c_high_speed != i2c_high_speed)
-                        pr_warn("%s: I2C config for all channels must match.",
-                                __func__);
+                        pr_warn("%s: I2C config for vdd_%s does not match other channels (%u).",
+                                __func__, voltdm->name, i2c_high_speed);
                 return;
         }
 
@@ -292,9 +292,7 @@ void __init omap_vc_init_channel(struct voltagedomain *voltdm)
         u32 val;
 
         if (!voltdm->pmic || !voltdm->pmic->uv_to_vsel) {
-                pr_err("%s: PMIC info requried to configure vc for"
-                        "vdd_%s not populated.Hence cannot initialize vc\n",
-                        __func__, voltdm->name);
+                pr_err("%s: No PMIC info for vdd_%s\n", __func__, voltdm->name);
                 return;
         }
 
diff --git a/arch/arm/mach-omap2/voltagedomains3xxx_data.c b/arch/arm/mach-omap2/voltagedomains3xxx_data.c
index c005e2f5e38..57db2038b23 100644
--- a/arch/arm/mach-omap2/voltagedomains3xxx_data.c
+++ b/arch/arm/mach-omap2/voltagedomains3xxx_data.c
@@ -108,6 +108,7 @@ void __init omap3xxx_voltagedomains_init(void)
          * XXX Will depend on the process, validation, and binning
          * for the currently-running IC
          */
+#ifdef CONFIG_PM_OPP
         if (cpu_is_omap3630()) {
                 omap3_voltdm_mpu.volt_data = omap36xx_vddmpu_volt_data;
                 omap3_voltdm_core.volt_data = omap36xx_vddcore_volt_data;
@@ -115,6 +116,7 @@ void __init omap3xxx_voltagedomains_init(void)
                 omap3_voltdm_mpu.volt_data = omap34xx_vddmpu_volt_data;
                 omap3_voltdm_core.volt_data = omap34xx_vddcore_volt_data;
         }
+#endif
 
         if (cpu_is_omap3517() || cpu_is_omap3505())
                 voltdms = voltagedomains_am35xx;
diff --git a/arch/arm/mach-omap2/voltagedomains44xx_data.c b/arch/arm/mach-omap2/voltagedomains44xx_data.c
index 4e11d022595..c3115f6853d 100644
--- a/arch/arm/mach-omap2/voltagedomains44xx_data.c
+++ b/arch/arm/mach-omap2/voltagedomains44xx_data.c
@@ -100,9 +100,11 @@ void __init omap44xx_voltagedomains_init(void)
          * XXX Will depend on the process, validation, and binning
          * for the currently-running IC
          */
+#ifdef CONFIG_PM_OPP
         omap4_voltdm_mpu.volt_data = omap44xx_vdd_mpu_volt_data;
         omap4_voltdm_iva.volt_data = omap44xx_vdd_iva_volt_data;
         omap4_voltdm_core.volt_data = omap44xx_vdd_core_volt_data;
+#endif
 
         for (i = 0; voltdm = voltagedomains_omap4[i], voltdm; i++)
                 voltdm->sys_clk.name = sys_clk_name;
diff --git a/arch/arm/mach-omap2/vp.c b/arch/arm/mach-omap2/vp.c
index 807391d84a9..0df88820978 100644
--- a/arch/arm/mach-omap2/vp.c
+++ b/arch/arm/mach-omap2/vp.c
@@ -41,6 +41,11 @@ void __init omap_vp_init(struct voltagedomain *voltdm)
         u32 val, sys_clk_rate, timeout, waittime;
         u32 vddmin, vddmax, vstepmin, vstepmax;
 
+        if (!voltdm->pmic || !voltdm->pmic->uv_to_vsel) {
+                pr_err("%s: No PMIC info for vdd_%s\n", __func__, voltdm->name);
+                return;
+        }
+
         if (!voltdm->read || !voltdm->write) {
                 pr_err("%s: No read/write API for accessing vdd_%s regs\n",
                         __func__, voltdm->name);
diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c
index 0e28bae20bd..5dad38ec00e 100644
--- a/arch/arm/mach-orion5x/common.c
+++ b/arch/arm/mach-orion5x/common.c
@@ -29,6 +29,7 @@
 #include <mach/hardware.h>
 #include <mach/orion5x.h>
 #include <plat/orion_nand.h>
+#include <plat/ehci-orion.h>
 #include <plat/time.h>
 #include <plat/common.h>
 #include <plat/addr-map.h>
@@ -72,7 +73,8 @@ void __init orion5x_map_io(void)
  ****************************************************************************/
 void __init orion5x_ehci0_init(void)
 {
-        orion_ehci_init(ORION5X_USB0_PHYS_BASE, IRQ_ORION5X_USB0_CTRL);
+        orion_ehci_init(ORION5X_USB0_PHYS_BASE, IRQ_ORION5X_USB0_CTRL,
+                        EHCI_PHY_ORION);
 }
 
 
diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c
index fb9b62dcf4c..208eef1c048 100644
--- a/arch/arm/mach-pxa/hx4700.c
+++ b/arch/arm/mach-pxa/hx4700.c
@@ -45,6 +45,7 @@
 #include <mach/hx4700.h>
 #include <mach/irda.h>
 
+#include <sound/ak4641.h>
 #include <video/platform_lcd.h>
 #include <video/w100fb.h>
 
@@ -765,6 +766,28 @@ static struct i2c_board_info __initdata pi2c_board_info[] = {
 };
 
 /*
+ * Asahi Kasei AK4641 on I2C
+ */
+
+static struct ak4641_platform_data ak4641_info = {
+        .gpio_power = GPIO27_HX4700_CODEC_ON,
+        .gpio_npdn  = GPIO109_HX4700_CODEC_nPDN,
+};
+
+static struct i2c_board_info i2c_board_info[] __initdata = {
+        {
+                I2C_BOARD_INFO("ak4641", 0x12),
+                .platform_data = &ak4641_info,
+        },
+};
+
+static struct platform_device audio = {
+        .name   = "hx4700-audio",
+        .id     = -1,
+};
+
+
+/*
  * PCMCIA
  */
 
@@ -790,6 +813,7 @@ static struct platform_device *devices[] __initdata = {
         &gpio_vbus,
         &power_supply,
         &strataflash,
+        &audio,
         &pcmcia,
 };
 
@@ -827,6 +851,7 @@ static void __init hx4700_init(void)
         pxa_set_ficp_info(&ficp_info);
         pxa27x_set_i2c_power_info(NULL);
         pxa_set_i2c_info(NULL);
+        i2c_register_board_info(0, ARRAY_AND_SIZE(i2c_board_info));
         i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
         pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
         spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c
index 91e4f6c0376..00d6eacab8e 100644
--- a/arch/arm/mach-pxa/pxa25x.c
+++ b/arch/arm/mach-pxa/pxa25x.c
@@ -25,7 +25,6 @@
 #include <linux/suspend.h>
 #include <linux/syscore_ops.h>
 #include <linux/irq.h>
-#include <linux/gpio.h>
 
 #include <asm/mach/map.h>
 #include <asm/suspend.h>
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index aed6cbcf386..c1673b3441d 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -22,7 +22,6 @@
 #include <linux/io.h>
 #include <linux/irq.h>
 #include <linux/i2c/pxa-i2c.h>
-#include <linux/gpio.h>
 
 #include <asm/mach/map.h>
 #include <mach/hardware.h>
diff --git a/arch/arm/mach-pxa/saarb.c b/arch/arm/mach-pxa/saarb.c
index febc809ed5a..5aded5e6148 100644
--- a/arch/arm/mach-pxa/saarb.c
+++ b/arch/arm/mach-pxa/saarb.c
@@ -15,7 +15,6 @@
 #include <linux/i2c.h>
 #include <linux/i2c/pxa-i2c.h>
 #include <linux/mfd/88pm860x.h>
-#include <linux/gpio.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c
index 8d5168d253a..30989baf7f2 100644
--- a/arch/arm/mach-pxa/sharpsl_pm.c
+++ b/arch/arm/mach-pxa/sharpsl_pm.c
@@ -168,6 +168,7 @@ struct battery_thresh sharpsl_battery_levels_noac[] = {
 #define MAXCTRL_SEL_SH   4
 #define MAXCTRL_STR      (1u << 7)
 
+extern int max1111_read_channel(int);
 /*
  * Read MAX1111 ADC
  */
@@ -177,8 +178,6 @@ int sharpsl_pm_pxa_read_max1111(int channel)
         if (machine_is_tosa())
             return 0;
 
-        extern int max1111_read_channel(int);
-
         /* max1111 accepts channels from 0-3, however,
          * it is encoded from 0-7 here in the code.
          */
diff --git a/arch/arm/mach-pxa/spitz_pm.c b/arch/arm/mach-pxa/spitz_pm.c
index 34cbdac5152..438f02fe122 100644
--- a/arch/arm/mach-pxa/spitz_pm.c
+++ b/arch/arm/mach-pxa/spitz_pm.c
@@ -172,10 +172,9 @@ static int spitz_should_wakeup(unsigned int resume_on_alarm)
 static unsigned long spitz_charger_wakeup(void)
 {
         unsigned long ret;
-        ret = (!gpio_get_value(SPITZ_GPIO_KEY_INT)
+        ret = ((!gpio_get_value(SPITZ_GPIO_KEY_INT)
                 << GPIO_bit(SPITZ_GPIO_KEY_INT))
-                | (!gpio_get_value(SPITZ_GPIO_SYNC)
-                << GPIO_bit(SPITZ_GPIO_SYNC));
+                | gpio_get_value(SPITZ_GPIO_SYNC));
         return ret;
 }
 
diff --git a/arch/arm/mach-s3c2410/cpu-freq.c b/arch/arm/mach-s3c2410/cpu-freq.c
index 7dc6c46b5e2..5404535da1a 100644
--- a/arch/arm/mach-s3c2410/cpu-freq.c
+++ b/arch/arm/mach-s3c2410/cpu-freq.c
@@ -115,7 +115,8 @@ static struct s3c_cpufreq_info s3c2410_cpufreq_info = {
         .debug_io_show  = s3c_cpufreq_debugfs_call(s3c2410_iotiming_debugfs),
 };
 
-static int s3c2410_cpufreq_add(struct device *dev)
+static int s3c2410_cpufreq_add(struct device *dev,
+                               struct subsys_interface *sif)
 {
         return s3c_cpufreq_register(&s3c2410_cpufreq_info);
 }
@@ -133,7 +134,8 @@ static int __init s3c2410_cpufreq_init(void)
 
 arch_initcall(s3c2410_cpufreq_init);
 
-static int s3c2410a_cpufreq_add(struct device *dev)
+static int s3c2410a_cpufreq_add(struct device *dev,
+                                struct subsys_interface *sif)
 {
         /* alter the maximum freq settings for S3C2410A. If a board knows
          * it only has a maximum of 200, then it should register its own
@@ -144,7 +146,7 @@ static int s3c2410a_cpufreq_add(struct device *dev)
         s3c2410_cpufreq_info.max.pclk =  66500000;
         s3c2410_cpufreq_info.name = "s3c2410a";
 
-        return s3c2410_cpufreq_add(dev);
+        return s3c2410_cpufreq_add(dev, sif);
 }
 
 static struct subsys_interface s3c2410a_cpufreq_interface = {
diff --git a/arch/arm/mach-s3c2410/dma.c b/arch/arm/mach-s3c2410/dma.c
index 2afd00014a7..4803338cf56 100644
--- a/arch/arm/mach-s3c2410/dma.c
+++ b/arch/arm/mach-s3c2410/dma.c
@@ -132,7 +132,8 @@ static struct s3c24xx_dma_order __initdata s3c2410_dma_order = {
         },
 };
 
-static int __init s3c2410_dma_add(struct device *dev)
+static int __init s3c2410_dma_add(struct device *dev,
+                                  struct subsys_interface *sif)
 {
         s3c2410_dma_init();
         s3c24xx_dma_order_set(&s3c2410_dma_order);
@@ -148,7 +149,7 @@ static struct subsys_interface s3c2410_dma_interface = {
 
 static int __init s3c2410_dma_drvinit(void)
 {
-        return subsys_interface_register(&s3c2410_interface);
+        return subsys_interface_register(&s3c2410_dma_interface);
 }
 
 arch_initcall(s3c2410_dma_drvinit);
diff --git a/arch/arm/mach-s3c2410/pll.c b/arch/arm/mach-s3c2410/pll.c
index c07438bfc99..e0b3b347da8 100644
--- a/arch/arm/mach-s3c2410/pll.c
+++ b/arch/arm/mach-s3c2410/pll.c
@@ -66,7 +66,7 @@ static struct cpufreq_frequency_table pll_vals_12MHz[] = {
     { .frequency = 270000000, .index = PLLVAL(127, 1, 1),  },
 };
 
-static int s3c2410_plls_add(struct device *dev)
+static int s3c2410_plls_add(struct device *dev, struct subsys_interface *sif)
 {
         return s3c_plltab_register(pll_vals_12MHz, ARRAY_SIZE(pll_vals_12MHz));
 }
diff --git a/arch/arm/mach-s3c2410/pm.c b/arch/arm/mach-s3c2410/pm.c
index fda5385deff..03f706dd600 100644
--- a/arch/arm/mach-s3c2410/pm.c
+++ b/arch/arm/mach-s3c2410/pm.c
@@ -111,7 +111,7 @@ struct syscore_ops s3c2410_pm_syscore_ops = {
         .resume         = s3c2410_pm_resume,
 };
 
-static int s3c2410_pm_add(struct device *dev)
+static int s3c2410_pm_add(struct device *dev, struct subsys_interface *sif)
 {
         pm_cpu_prep = s3c2410_pm_prepare;
         pm_cpu_sleep = s3c2410_cpu_suspend;
diff --git a/arch/arm/mach-s3c2412/cpu-freq.c b/arch/arm/mach-s3c2412/cpu-freq.c
index d8664b7652c..125be7d5fa6 100644
--- a/arch/arm/mach-s3c2412/cpu-freq.c
+++ b/arch/arm/mach-s3c2412/cpu-freq.c
@@ -194,7 +194,8 @@ static struct s3c_cpufreq_info s3c2412_cpufreq_info = {
         .debug_io_show  = s3c_cpufreq_debugfs_call(s3c2412_iotiming_debugfs),
 };
 
-static int s3c2412_cpufreq_add(struct device *dev)
+static int s3c2412_cpufreq_add(struct device *dev,
+                               struct subsys_interface *sif)
 {
         unsigned long fclk_rate;
 
diff --git a/arch/arm/mach-s3c2412/dma.c b/arch/arm/mach-s3c2412/dma.c
index 142acd3b5e1..38472ac920f 100644
--- a/arch/arm/mach-s3c2412/dma.c
+++ b/arch/arm/mach-s3c2412/dma.c
@@ -159,7 +159,8 @@ static struct s3c24xx_dma_selection __initdata s3c2412_dma_sel = {
         .map_size       = ARRAY_SIZE(s3c2412_dma_mappings),
 };
 
-static int __init s3c2412_dma_add(struct device *dev)
+static int __init s3c2412_dma_add(struct device *dev,
+                                  struct subsys_interface *sif)
 {
         s3c2410_dma_init();
         return s3c24xx_dma_init_map(&s3c2412_dma_sel);
diff --git a/arch/arm/mach-s3c2412/irq.c b/arch/arm/mach-s3c2412/irq.c
index a8a46c1644f..e65619ddbcc 100644
--- a/arch/arm/mach-s3c2412/irq.c
+++ b/arch/arm/mach-s3c2412/irq.c
@@ -170,7 +170,7 @@ static int s3c2412_irq_rtc_wake(struct irq_data *data, unsigned int state)
 
 static struct irq_chip s3c2412_irq_rtc_chip;
 
-static int s3c2412_irq_add(struct device *dev)
+static int s3c2412_irq_add(struct device *dev, struct subsys_interface *sif)
 {
         unsigned int irqno;
 
diff --git a/arch/arm/mach-s3c2412/pm.c b/arch/arm/mach-s3c2412/pm.c
index d1adfa65f66..d04588506ec 100644
--- a/arch/arm/mach-s3c2412/pm.c
+++ b/arch/arm/mach-s3c2412/pm.c
@@ -56,7 +56,7 @@ static void s3c2412_pm_prepare(void)
 {
 }
 
-static int s3c2412_pm_add(struct device *dev)
+static int s3c2412_pm_add(struct device *dev, struct subsys_interface *sif)
 {
         pm_cpu_prep = s3c2412_pm_prepare;
         pm_cpu_sleep = s3c2412_cpu_suspend;
diff --git a/arch/arm/mach-s3c2416/irq.c b/arch/arm/mach-s3c2416/irq.c
index 36df761061d..fd49f35e448 100644
--- a/arch/arm/mach-s3c2416/irq.c
+++ b/arch/arm/mach-s3c2416/irq.c
@@ -213,7 +213,8 @@ static int __init s3c2416_add_sub(unsigned int base,
         return 0;
 }
 
-static int __init s3c2416_irq_add(struct device *dev)
+static int __init s3c2416_irq_add(struct device *dev,
+                                  struct subsys_interface *sif)
 {
         printk(KERN_INFO "S3C2416: IRQ Support\n");
 
diff --git a/arch/arm/mach-s3c2416/pm.c b/arch/arm/mach-s3c2416/pm.c
index 3bdb15a0d41..1bd4817b8eb 100644
--- a/arch/arm/mach-s3c2416/pm.c
+++ b/arch/arm/mach-s3c2416/pm.c
@@ -48,7 +48,7 @@ static void s3c2416_pm_prepare(void)
         __raw_writel(virt_to_phys(s3c_cpu_resume), S3C2412_INFORM1);
 }
 
-static int s3c2416_pm_add(struct device *dev)
+static int s3c2416_pm_add(struct device *dev, struct subsys_interface *sif)
 {
         pm_cpu_prep = s3c2416_pm_prepare;
         pm_cpu_sleep = s3c2416_cpu_suspend;
diff --git a/arch/arm/mach-s3c2440/clock.c b/arch/arm/mach-s3c2440/clock.c
index bedbc87a342..414364eb426 100644
--- a/arch/arm/mach-s3c2440/clock.c
+++ b/arch/arm/mach-s3c2440/clock.c
@@ -149,7 +149,7 @@ static struct clk_lookup s3c2440_clk_lookup[] = {
         CLKDEV_INIT(NULL, "clk_uart_baud3", &s3c2440_clk_fclk_n),
 };
 
-static int s3c2440_clk_add(struct device *dev)
+static int s3c2440_clk_add(struct device *dev, struct subsys_interface *sif)
 {
         struct clk *clock_upll;
         struct clk *clock_h;
diff --git a/arch/arm/mach-s3c2440/dma.c b/arch/arm/mach-s3c2440/dma.c
index 15b1ddf8f62..5f0a0c8ef84 100644
--- a/arch/arm/mach-s3c2440/dma.c
+++ b/arch/arm/mach-s3c2440/dma.c
@@ -174,7 +174,8 @@ static struct s3c24xx_dma_order __initdata s3c2440_dma_order = {
         },
 };
 
-static int __init s3c2440_dma_add(struct device *dev)
+static int __init s3c2440_dma_add(struct device *dev,
+                                  struct subsys_interface *sif)
 {
         s3c2410_dma_init();
         s3c24xx_dma_order_set(&s3c2440_dma_order);
diff --git a/arch/arm/mach-s3c2440/irq.c b/arch/arm/mach-s3c2440/irq.c
index 4fee9bc6bcb..4a18cde439c 100644
--- a/arch/arm/mach-s3c2440/irq.c
+++ b/arch/arm/mach-s3c2440/irq.c
@@ -92,7 +92,7 @@ static struct irq_chip s3c_irq_wdtac97 = {
         .irq_ack        = s3c_irq_wdtac97_ack,
 };
 
-static int s3c2440_irq_add(struct device *dev)
+static int s3c2440_irq_add(struct device *dev, struct subsys_interface *sif)
 {
         unsigned int irqno;
 
diff --git a/arch/arm/mach-s3c2440/s3c2440-cpufreq.c b/arch/arm/mach-s3c2440/s3c2440-cpufreq.c
index cf7596694ef..61776764d9f 100644
--- a/arch/arm/mach-s3c2440/s3c2440-cpufreq.c
+++ b/arch/arm/mach-s3c2440/s3c2440-cpufreq.c
@@ -270,7 +270,8 @@ struct s3c_cpufreq_info s3c2440_cpufreq_info = {
         .debug_io_show  = s3c_cpufreq_debugfs_call(s3c2410_iotiming_debugfs),
 };
 
-static int s3c2440_cpufreq_add(struct device *dev)
+static int s3c2440_cpufreq_add(struct device *dev,
+                               struct subsys_interface *sif)
 {
         xtal = s3c_cpufreq_clk_get(NULL, "xtal");
         hclk = s3c_cpufreq_clk_get(NULL, "hclk");
diff --git a/arch/arm/mach-s3c2440/s3c2440-pll-12000000.c b/arch/arm/mach-s3c2440/s3c2440-pll-12000000.c
index b5368ae8d7f..551fb433be8 100644
--- a/arch/arm/mach-s3c2440/s3c2440-pll-12000000.c
+++ b/arch/arm/mach-s3c2440/s3c2440-pll-12000000.c
@@ -51,7 +51,7 @@ static struct cpufreq_frequency_table s3c2440_plls_12[] __initdata = {
         { .frequency = 400000000,       .index = PLLVAL(0x5c, 1, 1),  },        /* FVco 800.000000 */
 };
 
-static int s3c2440_plls12_add(struct device *dev)
+static int s3c2440_plls12_add(struct device *dev, struct subsys_interface *sif)
 {
         struct clk *xtal_clk;
         unsigned long xtal;
diff --git a/arch/arm/mach-s3c2440/s3c2440-pll-16934400.c b/arch/arm/mach-s3c2440/s3c2440-pll-16934400.c
index 42f2b5cd239..3f15bcf6429 100644
--- a/arch/arm/mach-s3c2440/s3c2440-pll-16934400.c
+++ b/arch/arm/mach-s3c2440/s3c2440-pll-16934400.c
@@ -79,7 +79,8 @@ static struct cpufreq_frequency_table s3c2440_plls_169344[] __initdata = {
         { .frequency = 402192000,       .index = PLLVAL(87, 2, 1),      },      /* FVco 804.384000 */
 };
 
-static int s3c2440_plls169344_add(struct device *dev)
+static int s3c2440_plls169344_add(struct device *dev,
+                                  struct subsys_interface *sif)
 {
         struct clk *xtal_clk;
         unsigned long xtal;
diff --git a/arch/arm/mach-s3c2440/s3c2442.c b/arch/arm/mach-s3c2440/s3c2442.c
index 8004e0497bf..22cb7c94a8c 100644
--- a/arch/arm/mach-s3c2440/s3c2442.c
+++ b/arch/arm/mach-s3c2440/s3c2442.c
@@ -122,7 +122,7 @@ static struct clk s3c2442_clk_cam_upll = {
         },
 };
 
-static int s3c2442_clk_add(struct device *dev)
+static int s3c2442_clk_add(struct device *dev, struct subsys_interface *sif)
 {
         struct clk *clock_upll;
         struct clk *clock_h;
diff --git a/arch/arm/mach-s3c2440/s3c244x-clock.c b/arch/arm/mach-s3c2440/s3c244x-clock.c
index b3fdbdda3d5..6d9b688c442 100644
--- a/arch/arm/mach-s3c2440/s3c244x-clock.c
+++ b/arch/arm/mach-s3c2440/s3c244x-clock.c
@@ -72,7 +72,7 @@ static struct clk clk_arm = {
         },
 };
 
-static int s3c244x_clk_add(struct device *dev)
+static int s3c244x_clk_add(struct device *dev, struct subsys_interface *sif)
 {
         unsigned long camdivn = __raw_readl(S3C2440_CAMDIVN);
         unsigned long clkdivn;
diff --git a/arch/arm/mach-s3c2440/s3c244x-irq.c b/arch/arm/mach-s3c2440/s3c244x-irq.c
index 74d3dcf46a4..5fe8e58d3af 100644
--- a/arch/arm/mach-s3c2440/s3c244x-irq.c
+++ b/arch/arm/mach-s3c2440/s3c244x-irq.c
@@ -91,7 +91,7 @@ static struct irq_chip s3c_irq_cam = {
         .irq_ack        = s3c_irq_cam_ack,
 };
 
-static int s3c244x_irq_add(struct device *dev)
+static int s3c244x_irq_add(struct device *dev, struct subsys_interface *sif)
 {
         unsigned int irqno;
 
diff --git a/arch/arm/mach-s3c2443/dma.c b/arch/arm/mach-s3c2443/dma.c
index de6b4a23c9e..14224517e62 100644
--- a/arch/arm/mach-s3c2443/dma.c
+++ b/arch/arm/mach-s3c2443/dma.c
@@ -135,7 +135,8 @@ static struct s3c24xx_dma_selection __initdata s3c2443_dma_sel = {
         .map_size       = ARRAY_SIZE(s3c2443_dma_mappings),
 };
 
-static int __init s3c2443_dma_add(struct device *dev)
+static int __init s3c2443_dma_add(struct device *dev,
+                                  struct subsys_interface *sif)
 {
         s3c24xx_dma_init(6, IRQ_S3C2443_DMA0, 0x100);
         return s3c24xx_dma_init_map(&s3c2443_dma_sel);
diff --git a/arch/arm/mach-s3c2443/irq.c b/arch/arm/mach-s3c2443/irq.c
index 35e4ff24fb4..ac2829f56d1 100644
--- a/arch/arm/mach-s3c2443/irq.c
+++ b/arch/arm/mach-s3c2443/irq.c
@@ -241,7 +241,8 @@ static int __init s3c2443_add_sub(unsigned int base,
         return 0;
 }
 
-static int __init s3c2443_irq_add(struct device *dev)
+static int __init s3c2443_irq_add(struct device *dev,
+                                  struct subsys_interface *sif)
 {
         printk("S3C2443: IRQ Support\n");
 
diff --git a/arch/arm/mach-s3c64xx/clock.c b/arch/arm/mach-s3c64xx/clock.c
index 31bb27dc4ae..aebbcc291b4 100644
--- a/arch/arm/mach-s3c64xx/clock.c
+++ b/arch/arm/mach-s3c64xx/clock.c
@@ -138,6 +138,11 @@ static struct clk init_clocks_off[] = {
                 .ctrlbit        = S3C_CLKCON_PCLK_TSADC,
         }, {
                 .name           = "i2c",
+#ifdef CONFIG_S3C_DEV_I2C1
+                .devname        = "s3c2440-i2c.0",
+#else
+                .devname        = "s3c2440-i2c",
+#endif
                 .parent         = &clk_p,
                 .enable         = s3c64xx_pclk_ctrl,
                 .ctrlbit        = S3C_CLKCON_PCLK_IIC,
diff --git a/arch/arm/mach-s3c64xx/common.c b/arch/arm/mach-s3c64xx/common.c
index 4a7394d4bd9..bee7dcd4df7 100644
--- a/arch/arm/mach-s3c64xx/common.c
+++ b/arch/arm/mach-s3c64xx/common.c
@@ -49,7 +49,7 @@
 
 /* uart registration process */
 
-void __init s3c64xx_init_uarts(struct s3c2410_uartcfg *cfg, int no)
+static void __init s3c64xx_init_uarts(struct s3c2410_uartcfg *cfg, int no)
 {
         s3c24xx_init_uartdevs("s3c6400-uart", s3c64xx_uart_resources, cfg, no);
 }
diff --git a/arch/arm/mach-s5p64x0/pm.c b/arch/arm/mach-s5p64x0/pm.c
index 23f9b22439c..9cba18bfe47 100644
--- a/arch/arm/mach-s5p64x0/pm.c
+++ b/arch/arm/mach-s5p64x0/pm.c
@@ -160,7 +160,7 @@ static void s5p64x0_pm_prepare(void)
 
 }
 
-static int s5p64x0_pm_add(struct device *dev)
+static int s5p64x0_pm_add(struct device *dev, struct subsys_interface *sif)
 {
         pm_cpu_prep = s5p64x0_pm_prepare;
         pm_cpu_sleep = s5p64x0_cpu_suspend;
diff --git a/arch/arm/mach-s5pv210/clock.c b/arch/arm/mach-s5pv210/clock.c
index c78dfddd77f..b9ec0c35379 100644
--- a/arch/arm/mach-s5pv210/clock.c
+++ b/arch/arm/mach-s5pv210/clock.c
@@ -175,7 +175,7 @@ static int s5pv210_clk_mask1_ctrl(struct clk *clk, int enable)
         return s5p_gatectrl(S5P_CLK_SRC_MASK1, clk, enable);
 }
 
-static int exynos4_clk_hdmiphy_ctrl(struct clk *clk, int enable)
+static int s5pv210_clk_hdmiphy_ctrl(struct clk *clk, int enable)
 {
         return s5p_gatectrl(S5P_HDMI_PHY_CONTROL, clk, enable);
 }
@@ -372,7 +372,7 @@ static struct clk init_clocks_off[] = {
         }, {
                 .name           = "hdmiphy",
                 .devname        = "s5pv210-hdmi",
-                .enable         = exynos4_clk_hdmiphy_ctrl,
+                .enable         = s5pv210_clk_hdmiphy_ctrl,
                 .ctrlbit        = (1 << 0),
         }, {
                 .name           = "dacphy",
diff --git a/arch/arm/mach-s5pv210/pm.c b/arch/arm/mach-s5pv210/pm.c
index 677c71c41e5..736bfb103cb 100644
--- a/arch/arm/mach-s5pv210/pm.c
+++ b/arch/arm/mach-s5pv210/pm.c
@@ -133,7 +133,7 @@ static void s5pv210_pm_prepare(void)
         s3c_pm_do_save(s5pv210_core_save, ARRAY_SIZE(s5pv210_core_save));
 }
 
-static int s5pv210_pm_add(struct device *dev)
+static int s5pv210_pm_add(struct device *dev, struct subsys_interface *sif)
 {
         pm_cpu_prep = s5pv210_pm_prepare;
         pm_cpu_sleep = s5pv210_cpu_suspend;
diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c
index eff8a96c75e..068b754bc34 100644
--- a/arch/arm/mach-shmobile/board-ag5evm.c
+++ b/arch/arm/mach-shmobile/board-ag5evm.c
@@ -30,6 +30,7 @@
 #include <linux/serial_sci.h>
 #include <linux/smsc911x.h>
 #include <linux/gpio.h>
+#include <linux/videodev2.h>
 #include <linux/input.h>
 #include <linux/input/sh_keysc.h>
 #include <linux/mmc/host.h>
@@ -37,7 +38,6 @@
 #include <linux/mmc/sh_mobile_sdhi.h>
 #include <linux/mfd/tmio.h>
 #include <linux/sh_clk.h>
-#include <linux/dma-mapping.h>
 #include <video/sh_mobile_lcdc.h>
 #include <video/sh_mipi_dsi.h>
 #include <sound/sh_fsi.h>
@@ -159,19 +159,12 @@ static struct resource sh_mmcif_resources[] = {
         },
 };
 
-static struct sh_mmcif_dma sh_mmcif_dma = {
-        .chan_priv_rx   = {
-                .slave_id       = SHDMA_SLAVE_MMCIF_RX,
-        },
-        .chan_priv_tx   = {
-                .slave_id       = SHDMA_SLAVE_MMCIF_TX,
-        },
-};
 static struct sh_mmcif_plat_data sh_mmcif_platdata = {
         .sup_pclk       = 0,
         .ocr            = MMC_VDD_165_195,
         .caps           = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
-        .dma            = &sh_mmcif_dma,
+        .slave_id_tx    = SHDMA_SLAVE_MMCIF_TX,
+        .slave_id_rx    = SHDMA_SLAVE_MMCIF_RX,
 };
 
 static struct platform_device mmc_device = {
@@ -321,12 +314,11 @@ static struct resource mipidsi0_resources[] = {
         },
 };
 
-#define DSI0PHYCR       0xe615006c
 static int sh_mipi_set_dot_clock(struct platform_device *pdev,
                                  void __iomem *base,
                                  int enable)
 {
-        struct clk *pck;
+        struct clk *pck, *phy;
         int ret;
 
         pck = clk_get(&pdev->dev, "dsip_clk");
@@ -335,18 +327,27 @@ static int sh_mipi_set_dot_clock(struct platform_device *pdev,
                 goto sh_mipi_set_dot_clock_pck_err;
         }
 
+        phy = clk_get(&pdev->dev, "dsiphy_clk");
+        if (IS_ERR(phy)) {
+                ret = PTR_ERR(phy);
+                goto sh_mipi_set_dot_clock_phy_err;
+        }
+
         if (enable) {
                 clk_set_rate(pck, clk_round_rate(pck,  24000000));
-                __raw_writel(0x2a809010, DSI0PHYCR);
+                clk_set_rate(phy, clk_round_rate(pck, 510000000));
                 clk_enable(pck);
+                clk_enable(phy);
         } else {
                 clk_disable(pck);
+                clk_disable(phy);
         }
 
         ret = 0;
 
+        clk_put(phy);
+sh_mipi_set_dot_clock_phy_err:
         clk_put(pck);
-
 sh_mipi_set_dot_clock_pck_err:
         return ret;
 }
diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
index aab0a349f75..eeb4d966458 100644
--- a/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -295,15 +295,6 @@ static struct resource sh_mmcif_resources[] = {
         },
 };
 
-static struct sh_mmcif_dma sh_mmcif_dma = {
-        .chan_priv_rx   = {
-                .slave_id       = SHDMA_SLAVE_MMCIF_RX,
-        },
-        .chan_priv_tx   = {
-                .slave_id       = SHDMA_SLAVE_MMCIF_TX,
-        },
-};
-
 static struct sh_mmcif_plat_data sh_mmcif_plat = {
         .sup_pclk       = 0,
         .ocr            = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
@@ -311,7 +302,8 @@ static struct sh_mmcif_plat_data sh_mmcif_plat = {
                           MMC_CAP_8_BIT_DATA |
                           MMC_CAP_NEEDS_POLL,
         .get_cd         = slot_cn7_get_cd,
-        .dma            = &sh_mmcif_dma,
+        .slave_id_tx    = SHDMA_SLAVE_MMCIF_TX,
+        .slave_id_rx    = SHDMA_SLAVE_MMCIF_RX,
 };
 
 static struct platform_device sh_mmcif_device = {
diff --git a/arch/arm/mach-shmobile/board-kota2.c b/arch/arm/mach-shmobile/board-kota2.c
index 857ceeec1bb..c8e7ca23fc0 100644
--- a/arch/arm/mach-shmobile/board-kota2.c
+++ b/arch/arm/mach-shmobile/board-kota2.c
@@ -143,11 +143,10 @@ static struct gpio_keys_button gpio_buttons[] = {
 static struct gpio_keys_platform_data gpio_key_info = {
         .buttons        = gpio_buttons,
         .nbuttons       = ARRAY_SIZE(gpio_buttons),
-        .poll_interval  = 250, /* polled for now */
 };
 
 static struct platform_device gpio_keys_device = {
-        .name   = "gpio-keys-polled", /* polled for now */
+        .name   = "gpio-keys",
         .id     = -1,
         .dev    = {
                 .platform_data  = &gpio_key_info,
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index 9b42fbd10f8..a2813247b45 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -43,7 +43,6 @@
 #include <linux/smsc911x.h>
 #include <linux/sh_intc.h>
 #include <linux/tca6416_keypad.h>
-#include <linux/usb/r8a66597.h>
 #include <linux/usb/renesas_usbhs.h>
 #include <linux/dma-mapping.h>
 
@@ -145,11 +144,6 @@
  * 1-2 short | VBUS 5V       | Host
  * open      | external VBUS | Function
  *
- * *1
- * CN31 is used as
- * CONFIG_USB_R8A66597_HCD      Host
- * CONFIG_USB_RENESAS_USBHS     Function
- *
  * CAUTION
  *
  * renesas_usbhs driver can use external interrupt mode
@@ -161,15 +155,6 @@
  * mackerel can not use external interrupt (IRQ7-PORT167) mode on "USB0",
  * because Touchscreen is using IRQ7-PORT40.
  * It is impossible to use IRQ7 demux on this board.
- *
- * We can use external interrupt mode USB-Function on "USB1".
- * USB1 can become Host by r8a66597, and become Function by renesas_usbhs.
- * But don't select both drivers in same time.
- * These uses same IRQ number for request_irq(), and aren't supporting
- * IRQF_SHARED / IORESOURCE_IRQ_SHAREABLE.
- *
- * Actually these are old/new version of USB driver.
- * This mean its register will be broken if it supports shared IRQ,
  */
 
 /*
@@ -208,6 +193,16 @@
  */
 
 /*
+ * FSI - AK4642
+ *
+ * it needs amixer settings for playing
+ *
+ * amixer set "Headphone" on
+ * amixer set "HPOUTL Mixer DACH" on
+ * amixer set "HPOUTR Mixer DACH" on
+ */
+
+/*
  * FIXME !!
  *
  * gpio_no_direction
@@ -676,51 +671,16 @@ static struct platform_device usbhs0_device = {
  * Use J30 to select between Host and Function. This setting
  * can however not be detected by software. Hotplug of USBHS1
  * is provided via IRQ8.
+ *
+ * Current USB1 works as "USB Host".
+ *  - set J30 "short"
+ *
+ * If you want to use it as "USB gadget",
+ *  - J30 "open"
+ *  - modify usbhs1_get_id() USBHS_HOST -> USBHS_GADGET
+ *  - add .get_vbus = usbhs_get_vbus in usbhs1_private
  */
 #define IRQ8 evt2irq(0x0300)
-
-/* USBHS1 USB Host support via r8a66597_hcd */
-static void usb1_host_port_power(int port, int power)
-{
-        if (!power) /* only power-on is supported for now */
-                return;
-
-        /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
-        __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
-}
-
-static struct r8a66597_platdata usb1_host_data = {
-        .on_chip        = 1,
-        .port_power     = usb1_host_port_power,
-};
-
-static struct resource usb1_host_resources[] = {
-        [0] = {
-                .name   = "USBHS1",
-                .start  = 0xe68b0000,
-                .end    = 0xe68b00e6 - 1,
-                .flags  = IORESOURCE_MEM,
-        },
-        [1] = {
-                .start  = evt2irq(0x1ce0) /* USB1_USB1I0 */,
-                .flags  = IORESOURCE_IRQ,
-        },
-};
-
-static struct platform_device usb1_host_device = {
-        .name   = "r8a66597_hcd",
-        .id     = 1,
-        .dev = {
-                .dma_mask               = NULL,         /*  not use dma */
-                .coherent_dma_mask      = 0xffffffff,
-                .platform_data          = &usb1_host_data,
-        },
-        .num_resources  = ARRAY_SIZE(usb1_host_resources),
-        .resource       = usb1_host_resources,
-};
-
-/* USBHS1 USB Function support via renesas_usbhs */
-
 #define USB_PHY_MODE            (1 << 4)
 #define USB_PHY_INT_EN          ((1 << 3) | (1 << 2))
 #define USB_PHY_ON              (1 << 1)
@@ -776,7 +736,7 @@ static void usbhs1_hardware_exit(struct platform_device *pdev)
 
 static int usbhs1_get_id(struct platform_device *pdev)
 {
-        return USBHS_GADGET;
+        return USBHS_HOST;
 }
 
 static u32 usbhs1_pipe_cfg[] = {
@@ -807,7 +767,6 @@ static struct usbhs_private usbhs1_private = {
                         .hardware_exit  = usbhs1_hardware_exit,
                         .get_id         = usbhs1_get_id,
                         .phy_reset      = usbhs_phy_reset,
-                        .get_vbus       = usbhs_get_vbus,
                 },
                 .driver_param = {
                         .buswait_bwait  = 4,
@@ -1184,15 +1143,6 @@ static struct resource sh_mmcif_resources[] = {
         },
 };
 
-static struct sh_mmcif_dma sh_mmcif_dma = {
-        .chan_priv_rx   = {
-                .slave_id       = SHDMA_SLAVE_MMCIF_RX,
-        },
-        .chan_priv_tx   = {
-                .slave_id       = SHDMA_SLAVE_MMCIF_TX,
-        },
-};
-
 static struct sh_mmcif_plat_data sh_mmcif_plat = {
         .sup_pclk       = 0,
         .ocr            = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
@@ -1200,7 +1150,8 @@ static struct sh_mmcif_plat_data sh_mmcif_plat = {
                           MMC_CAP_8_BIT_DATA |
                           MMC_CAP_NEEDS_POLL,
         .get_cd         = slot_cn7_get_cd,
-        .dma            = &sh_mmcif_dma,
+        .slave_id_tx    = SHDMA_SLAVE_MMCIF_TX,
+        .slave_id_rx    = SHDMA_SLAVE_MMCIF_RX,
 };
 
 static struct platform_device sh_mmcif_device = {
@@ -1311,7 +1262,6 @@ static struct platform_device *mackerel_devices[] __initdata = {
         &nor_flash_device,
         &smc911x_device,
         &lcdc_device,
-        &usb1_host_device,
         &usbhs1_device,
         &usbhs0_device,
         &leds_device,
@@ -1473,9 +1423,6 @@ static void __init mackerel_init(void)
         gpio_pull_down(GPIO_PORT167CR); /* VBUS0_1 pull down */
         gpio_request(GPIO_FN_IDIN_1_113, NULL);
 
-        /* USB phy tweak to make the r8a66597_hcd host driver work */
-        __raw_writew(0x8a0a, 0xe6058130);       /* USBCR4 */
-
         /* enable FSI2 port A (ak4643) */
         gpio_request(GPIO_FN_FSIAIBT,   NULL);
         gpio_request(GPIO_FN_FSIAILR,   NULL);
diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c
index afbead6a6e1..7727cca6136 100644
--- a/arch/arm/mach-shmobile/clock-sh73a0.c
+++ b/arch/arm/mach-shmobile/clock-sh73a0.c
@@ -365,6 +365,114 @@ static struct clk div6_clks[DIV6_NR] = {
                         dsi_parent, ARRAY_SIZE(dsi_parent), 12, 3),
 };
 
+/* DSI DIV */
+static unsigned long dsiphy_recalc(struct clk *clk)
+{
+        u32 value;
+
+        value = __raw_readl(clk->mapping->base);
+
+        /* FIXME */
+        if (!(value & 0x000B8000))
+                return clk->parent->rate;
+
+        value &= 0x3f;
+        value += 1;
+
+        if ((value < 12) ||
+            (value > 33)) {
+                pr_err("DSIPHY has wrong value (%d)", value);
+                return 0;
+        }
+
+        return clk->parent->rate / value;
+}
+
+static long dsiphy_round_rate(struct clk *clk, unsigned long rate)
+{
+        return clk_rate_mult_range_round(clk, 12, 33, rate);
+}
+
+static void dsiphy_disable(struct clk *clk)
+{
+        u32 value;
+
+        value = __raw_readl(clk->mapping->base);
+        value &= ~0x000B8000;
+
+        __raw_writel(value , clk->mapping->base);
+}
+
+static int dsiphy_enable(struct clk *clk)
+{
+        u32 value;
+        int multi;
+
+        value = __raw_readl(clk->mapping->base);
+        multi = (value & 0x3f) + 1;
+
+        if ((multi < 12) || (multi > 33))
+                return -EIO;
+
+        __raw_writel(value | 0x000B8000, clk->mapping->base);
+
+        return 0;
+}
+
+static int dsiphy_set_rate(struct clk *clk, unsigned long rate)
+{
+        u32 value;
+        int idx;
+
+        idx = rate / clk->parent->rate;
+        if ((idx < 12) || (idx > 33))
+                return -EINVAL;
+
+        idx += -1;
+
+        value = __raw_readl(clk->mapping->base);
+        value = (value & ~0x3f) + idx;
+
+        __raw_writel(value, clk->mapping->base);
+
+        return 0;
+}
+
+static struct clk_ops dsiphy_clk_ops = {
+        .recalc         = dsiphy_recalc,
+        .round_rate     = dsiphy_round_rate,
+        .set_rate       = dsiphy_set_rate,
+        .enable         = dsiphy_enable,
+        .disable        = dsiphy_disable,
+};
+
+static struct clk_mapping dsi0phy_clk_mapping = {
+        .phys   = DSI0PHYCR,
+        .len    = 4,
+};
+
+static struct clk_mapping dsi1phy_clk_mapping = {
+        .phys   = DSI1PHYCR,
+        .len    = 4,
+};
+
+static struct clk dsi0phy_clk = {
+        .ops            = &dsiphy_clk_ops,
+        .parent         = &div6_clks[DIV6_DSI0P], /* late install */
+        .mapping        = &dsi0phy_clk_mapping,
+};
+
+static struct clk dsi1phy_clk = {
+        .ops            = &dsiphy_clk_ops,
+        .parent         = &div6_clks[DIV6_DSI1P], /* late install */
+        .mapping        = &dsi1phy_clk_mapping,
+};
+
+static struct clk *late_main_clks[] = {
+        &dsi0phy_clk,
+        &dsi1phy_clk,
+};
+
 enum { MSTP001,
         MSTP129, MSTP128, MSTP127, MSTP126, MSTP125, MSTP118, MSTP116, MSTP100,
         MSTP219,
@@ -429,6 +537,8 @@ static struct clk_lookup lookups[] = {
         CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSIT]),
         CLKDEV_ICK_ID("dsip_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSI0P]),
         CLKDEV_ICK_ID("dsip_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSI1P]),
+        CLKDEV_ICK_ID("dsiphy_clk", "sh-mipi-dsi.0", &dsi0phy_clk),
+        CLKDEV_ICK_ID("dsiphy_clk", "sh-mipi-dsi.1", &dsi1phy_clk),
 
         /* MSTP32 clocks */
         CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* I2C2 */
@@ -504,6 +614,9 @@ void __init sh73a0_clock_init(void)
         if (!ret)
                 ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
 
+        for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++)
+                ret = clk_register(late_main_clks[k]);
+
         clkdev_add_table(lookups, ARRAY_SIZE(lookups));
 
         if (!ret)
diff --git a/arch/arm/mach-shmobile/include/mach/sh73a0.h b/arch/arm/mach-shmobile/include/mach/sh73a0.h
index 881d515a968..cad57578cee 100644
--- a/arch/arm/mach-shmobile/include/mach/sh73a0.h
+++ b/arch/arm/mach-shmobile/include/mach/sh73a0.h
@@ -515,8 +515,8 @@ enum {
         SHDMA_SLAVE_MMCIF_RX,
 };
 
-/* PINT interrupts are located at Linux IRQ 768 and up */
-#define SH73A0_PINT0_IRQ(irq) ((irq) + 768)
-#define SH73A0_PINT1_IRQ(irq) ((irq) + 800)
+/* PINT interrupts are located at Linux IRQ 800 and up */
+#define SH73A0_PINT0_IRQ(irq) ((irq) + 800)
+#define SH73A0_PINT1_IRQ(irq) ((irq) + 832)
 
 #endif /* __ASM_SH73A0_H__ */
diff --git a/arch/arm/mach-shmobile/intc-sh73a0.c b/arch/arm/mach-shmobile/intc-sh73a0.c
index 1eda6b0b69e..9857595eaa7 100644
--- a/arch/arm/mach-shmobile/intc-sh73a0.c
+++ b/arch/arm/mach-shmobile/intc-sh73a0.c
@@ -19,6 +19,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/module.h>
 #include <linux/irq.h>
 #include <linux/io.h>
 #include <linux/sh_intc.h>
@@ -445,6 +446,7 @@ void __init sh73a0_init_irq(void)
                 setup_irq(gic_spi(1 + k), &sh73a0_irq_pin_cascade[k]);
 
                 n = intcs_evt2irq(to_intc_vect(gic_spi(1 + k)));
+                WARN_ON(irq_alloc_desc_at(n, numa_node_id()) != n);
                 irq_set_chip_and_handler_name(n, &intca_gic_irq_chip,
                                               handle_level_irq, "level");
                 set_irq_flags(n, IRQF_VALID); /* yuck */
diff --git a/arch/arm/mach-shmobile/pfc-r8a7779.c b/arch/arm/mach-shmobile/pfc-r8a7779.c
index 963532f2b2c..d14c9b04807 100644
--- a/arch/arm/mach-shmobile/pfc-r8a7779.c
+++ b/arch/arm/mach-shmobile/pfc-r8a7779.c
@@ -2120,7 +2120,7 @@ static struct pinmux_cfg_reg pinmux_config_regs[] = {
             FN_AUDATA3, 0, 0, 0 }
         },
         { PINMUX_CFG_REG_VAR("IPSR4", 0xfffc0030, 32,
-                             3, 1, 1, 1, 1, 1, 1, 3, 3, 1,
+                             3, 1, 1, 1, 1, 1, 1, 3, 3,
                              1, 1, 1, 1, 1, 1, 3, 3, 3, 2) {
             /* IP4_31_29 [3] */
             FN_DU1_DB0, FN_VI2_DATA4_VI2_B4, FN_SCL2_B, FN_SD3_DAT0,
diff --git a/arch/arm/mach-shmobile/pfc-sh7372.c b/arch/arm/mach-shmobile/pfc-sh7372.c
index 1bd6585a6ac..336093f9210 100644
--- a/arch/arm/mach-shmobile/pfc-sh7372.c
+++ b/arch/arm/mach-shmobile/pfc-sh7372.c
@@ -23,6 +23,7 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/gpio.h>
+#include <mach/irqs.h>
 #include <mach/sh7372.h>
 
 #define CPU_ALL_PORT(fn, pfx, sfx) \
@@ -1594,6 +1595,43 @@ static struct pinmux_data_reg pinmux_data_regs[] = {
         { },
 };
 
+#define EXT_IRQ16L(n) evt2irq(0x200 + ((n) << 5))
+#define EXT_IRQ16H(n) evt2irq(0x3200 + (((n) - 16) << 5))
+static struct pinmux_irq pinmux_irqs[] = {
+        PINMUX_IRQ(EXT_IRQ16L(0), PORT6_FN0, PORT162_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(1), PORT12_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(2), PORT4_FN0, PORT5_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(3), PORT8_FN0, PORT16_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(4), PORT17_FN0, PORT163_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(5), PORT18_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(6), PORT39_FN0, PORT164_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(7), PORT40_FN0, PORT167_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(8), PORT41_FN0, PORT168_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(9), PORT42_FN0, PORT169_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(10), PORT65_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(11), PORT67_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(12), PORT80_FN0, PORT137_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(13), PORT81_FN0, PORT145_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(14), PORT82_FN0, PORT146_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(15), PORT83_FN0, PORT147_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(16), PORT84_FN0, PORT170_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(17), PORT85_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(18), PORT86_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(19), PORT87_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(20), PORT92_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(21), PORT93_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(22), PORT94_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(23), PORT95_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(24), PORT112_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(25), PORT119_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(26), PORT121_FN0, PORT172_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(27), PORT122_FN0, PORT180_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(28), PORT123_FN0, PORT181_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(29), PORT129_FN0, PORT182_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(30), PORT130_FN0, PORT183_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(31), PORT138_FN0, PORT184_FN0),
+};
+
 static struct pinmux_info sh7372_pinmux_info = {
         .name = "sh7372_pfc",
         .reserved_id = PINMUX_RESERVED,
@@ -1614,6 +1652,9 @@ static struct pinmux_info sh7372_pinmux_info = {
 
         .gpio_data = pinmux_data,
         .gpio_data_size = ARRAY_SIZE(pinmux_data),
+
+        .gpio_irq = pinmux_irqs,
+        .gpio_irq_size = ARRAY_SIZE(pinmux_irqs),
 };
 
 void sh7372_pinmux_init(void)
diff --git a/arch/arm/mach-shmobile/setup-sh7372.c b/arch/arm/mach-shmobile/setup-sh7372.c
index 6fcf304d3cd..a83cf51fc09 100644
--- a/arch/arm/mach-shmobile/setup-sh7372.c
+++ b/arch/arm/mach-shmobile/setup-sh7372.c
@@ -662,6 +662,7 @@ static struct sh_dmae_pdata usb_dma0_platform_data = {
         .dmaor_is_32bit = 1,
         .needs_tend_set = 1,
         .no_dmars       = 1,
+        .slave_only     = 1,
 };
 
 static struct resource sh7372_usb_dmae0_resources[] = {
@@ -723,6 +724,7 @@ static struct sh_dmae_pdata usb_dma1_platform_data = {
         .dmaor_is_32bit = 1,
         .needs_tend_set = 1,
         .no_dmars       = 1,
+        .slave_only     = 1,
 };
 
 static struct resource sh7372_usb_dmae1_resources[] = {
diff --git a/arch/arm/mach-shmobile/smp-sh73a0.c b/arch/arm/mach-shmobile/smp-sh73a0.c
index 0d159d64a34..2d0d4212be4 100644
--- a/arch/arm/mach-shmobile/smp-sh73a0.c
+++ b/arch/arm/mach-shmobile/smp-sh73a0.c
@@ -80,7 +80,7 @@ int __cpuinit sh73a0_boot_secondary(unsigned int cpu)
         /* enable cache coherency */
         modify_scu_cpu_psr(0, 3 << (cpu * 8));
 
-        if (((__raw_readw(__io(PSTR)) >> (4 * cpu)) & 3) == 3)
+        if (((__raw_readl(__io(PSTR)) >> (4 * cpu)) & 3) == 3)
                 __raw_writel(1 << cpu, __io(WUPCR));    /* wake up */
         else
                 __raw_writel(1 << cpu, __io(SRESCR));   /* reset */
diff --git a/arch/arm/mach-tegra/board-paz00.c b/arch/arm/mach-tegra/board-paz00.c
index fcf4f377b1d..330afdfa247 100644
--- a/arch/arm/mach-tegra/board-paz00.c
+++ b/arch/arm/mach-tegra/board-paz00.c
@@ -60,9 +60,9 @@ static struct plat_serial8250_port debug_uart_platform_data[] = {
                 .uartclk        = 216000000,
         }, {
                 /* serial port on mini-pcie */
-                .membase        = IO_ADDRESS(TEGRA_UARTD_BASE),
-                .mapbase        = TEGRA_UARTD_BASE,
-                .irq            = INT_UARTD,
+                .membase        = IO_ADDRESS(TEGRA_UARTC_BASE),
+                .mapbase        = TEGRA_UARTC_BASE,
+                .irq            = INT_UARTC,
                 .flags          = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE,
                 .type           = PORT_TEGRA,
                 .iotype         = UPIO_MEM,
@@ -174,7 +174,7 @@ static void __init tegra_paz00_fixup(struct tag *tags, char **cmdline,
 static __initdata struct tegra_clk_init_table paz00_clk_init_table[] = {
         /* name         parent          rate            enabled */
         { "uarta",      "pll_p",        216000000,      true },
-        { "uartd",      "pll_p",        216000000,      true },
+        { "uartc",      "pll_p",        216000000,      true },
 
         { "pll_p_out4", "pll_p",        24000000,       true },
         { "usbd",       "clk_m",        12000000,       false },
diff --git a/arch/arm/mach-tegra/board-paz00.h b/arch/arm/mach-tegra/board-paz00.h
index ffa83f580db..3c9f8da37ea 100644
--- a/arch/arm/mach-tegra/board-paz00.h
+++ b/arch/arm/mach-tegra/board-paz00.h
@@ -22,7 +22,7 @@
 /* SDCARD */
 #define TEGRA_GPIO_SD1_CD               TEGRA_GPIO_PV5
 #define TEGRA_GPIO_SD1_WP               TEGRA_GPIO_PH1
-#define TEGRA_GPIO_SD1_POWER            TEGRA_GPIO_PT3
+#define TEGRA_GPIO_SD1_POWER            TEGRA_GPIO_PV1
 
 /* ULPI */
 #define TEGRA_ULPI_RST                  TEGRA_GPIO_PV0
diff --git a/arch/arm/mach-tegra/include/mach/dma.h b/arch/arm/mach-tegra/include/mach/dma.h
index d0132e8031a..3c9339058be 100644
--- a/arch/arm/mach-tegra/include/mach/dma.h
+++ b/arch/arm/mach-tegra/include/mach/dma.h
@@ -23,11 +23,6 @@
 
 #include <linux/list.h>
 
-#if defined(CONFIG_TEGRA_SYSTEM_DMA)
-
-struct tegra_dma_req;
-struct tegra_dma_channel;
-
 #define TEGRA_DMA_REQ_SEL_CNTR                  0
 #define TEGRA_DMA_REQ_SEL_I2S_2                 1
 #define TEGRA_DMA_REQ_SEL_I2S_1                 2
@@ -56,6 +51,11 @@ struct tegra_dma_channel;
 #define TEGRA_DMA_REQ_SEL_OWR                   25
 #define TEGRA_DMA_REQ_SEL_INVALID               31
 
+#if defined(CONFIG_TEGRA_SYSTEM_DMA)
+
+struct tegra_dma_req;
+struct tegra_dma_channel;
+
 enum tegra_dma_mode {
         TEGRA_DMA_SHARED = 1,
         TEGRA_DMA_MODE_CONTINOUS = 2,
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 1a3ca248816..7edef912163 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -631,7 +631,8 @@ comment "Processor Features"
 
 config ARM_LPAE
         bool "Support for the Large Physical Address Extension"
-        depends on MMU && CPU_V7
+        depends on MMU && CPU_32v7 && !CPU_32v6 && !CPU_32v5 && \
+                !CPU_32v4 && !CPU_32v3
         help
           Say Y if you have an ARMv7 processor supporting the LPAE page
           table format and you would like to access memory beyond the
diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S
index 07c4bc8ea0a..a655d3da386 100644
--- a/arch/arm/mm/cache-v7.S
+++ b/arch/arm/mm/cache-v7.S
@@ -54,9 +54,15 @@ loop1:
         and     r1, r1, #7                      @ mask of the bits for current cache only
         cmp     r1, #2                          @ see what cache we have at this level
         blt     skip                            @ skip if no cache, or just i-cache
+#ifdef CONFIG_PREEMPT
+        save_and_disable_irqs_notrace r9        @ make cssr&csidr read atomic
+#endif
         mcr     p15, 2, r10, c0, c0, 0          @ select current cache level in cssr
         isb                                     @ isb to sych the new cssr&csidr
         mrc     p15, 1, r1, c0, c0, 0           @ read the new csidr
+#ifdef CONFIG_PREEMPT
+        restore_irqs_notrace r9
+#endif
         and     r2, r1, #7                      @ extract the length of the cache lines
         add     r2, r2, #4                      @ add 4 (line length offset)
         ldr     r4, =0x3ff
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index ba159370fa5..80632e8d753 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -225,8 +225,7 @@ void __iomem * __arm_ioremap_pfn_caller(unsigned long pfn,
                 if ((area->flags & VM_ARM_MTYPE_MASK) != VM_ARM_MTYPE(mtype))
                         continue;
                 if (__phys_to_pfn(area->phys_addr) > pfn ||
-                    __pfn_to_phys(pfn) + offset + size-1 >
-                    area->phys_addr + area->size-1)
+                    __pfn_to_phys(pfn) + size-1 > area->phys_addr + area->size-1)
                         continue;
                 /* we can drop the lock here as we know *area is static */
                 read_unlock(&vmlist_lock);
diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c
index 06383b51e65..4de7d1e79e7 100644
--- a/arch/arm/plat-omap/common.c
+++ b/arch/arm/plat-omap/common.c
@@ -69,6 +69,7 @@ void __init omap_reserve(void)
         omap_vram_reserve_sdram_memblock();
         omap_dsp_reserve_sdram_memblock();
         omap_secure_ram_reserve_memblock();
+        omap_barrier_reserve_memblock();
 }
 
 void __init omap_init_consistent_dma_size(void)
diff --git a/arch/arm/plat-omap/include/plat/omap-secure.h b/arch/arm/plat-omap/include/plat/omap-secure.h
index 64f9d1c7f1b..8c7994ce986 100644
--- a/arch/arm/plat-omap/include/plat/omap-secure.h
+++ b/arch/arm/plat-omap/include/plat/omap-secure.h
@@ -3,11 +3,17 @@
 
 #include <linux/types.h>
 
-#ifdef CONFIG_ARCH_OMAP2PLUS
+#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
 extern int omap_secure_ram_reserve_memblock(void);
 #else
 static inline void omap_secure_ram_reserve_memblock(void)
 { }
 #endif
 
+#ifdef CONFIG_OMAP4_ERRATA_I688
+extern int omap_barrier_reserve_memblock(void);
+#else
+static inline void omap_barrier_reserve_memblock(void)
+{ }
+#endif
 #endif /* __OMAP_SECURE_H__ */
diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c
index e5a2fde29b1..089899a7db7 100644
--- a/arch/arm/plat-orion/common.c
+++ b/arch/arm/plat-orion/common.c
@@ -789,10 +789,7 @@ void __init orion_xor1_init(unsigned long mapbase_low,
 /*****************************************************************************
  * EHCI
  ****************************************************************************/
-static struct orion_ehci_data orion_ehci_data = {
-        .phy_version    = EHCI_PHY_NA,
-};
-
+static struct orion_ehci_data orion_ehci_data;
 static u64 ehci_dmamask = DMA_BIT_MASK(32);
 
 
@@ -812,8 +809,10 @@ static struct platform_device orion_ehci = {
 };
 
 void __init orion_ehci_init(unsigned long mapbase,
-                            unsigned long irq)
+                            unsigned long irq,
+                            enum orion_ehci_phy_ver phy_version)
 {
+        orion_ehci_data.phy_version = phy_version;
         fill_resources(&orion_ehci, orion_ehci_resources, mapbase, SZ_4K - 1,
                        irq);
 
diff --git a/arch/arm/plat-orion/include/plat/common.h b/arch/arm/plat-orion/include/plat/common.h
index 0fe08d77e83..a7fa005a5a0 100644
--- a/arch/arm/plat-orion/include/plat/common.h
+++ b/arch/arm/plat-orion/include/plat/common.h
@@ -89,7 +89,8 @@ void __init orion_xor1_init(unsigned long mapbase_low,
                             unsigned long irq_1);
 
 void __init orion_ehci_init(unsigned long mapbase,
-                            unsigned long irq);
+                            unsigned long irq,
+                            enum orion_ehci_phy_ver phy_version);
 
 void __init orion_ehci_1_init(unsigned long mapbase,
                               unsigned long irq);
diff --git a/arch/arm/plat-orion/mpp.c b/arch/arm/plat-orion/mpp.c
index 91553432711..3b1e17bd3d1 100644
--- a/arch/arm/plat-orion/mpp.c
+++ b/arch/arm/plat-orion/mpp.c
@@ -64,8 +64,7 @@ void __init orion_mpp_conf(unsigned int *mpp_list, unsigned int variant_mask,
                         gpio_mode |= GPIO_INPUT_OK;
                 if (*mpp_list & MPP_OUTPUT_MASK)
                         gpio_mode |= GPIO_OUTPUT_OK;
-                if (sel != 0)
-                        gpio_mode = 0;
+
                 orion_gpio_set_valid(num, gpio_mode);
         }
 
diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
index 32a6e394db2..f10768e988d 100644
--- a/arch/arm/plat-samsung/devs.c
+++ b/arch/arm/plat-samsung/devs.c
@@ -468,8 +468,10 @@ void __init s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *pd)
 {
         struct s3c2410_platform_i2c *npd;
 
-        if (!pd)
+        if (!pd) {
                 pd = &default_i2c_data;
+                pd->bus_num = 0;
+        }
 
         npd = s3c_set_platdata(pd, sizeof(struct s3c2410_platform_i2c),
                                &s3c_device_i2c0);
diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
index 197e96f7040..3dea7231f63 100644
--- a/arch/avr32/Kconfig
+++ b/arch/avr32/Kconfig
@@ -8,6 +8,7 @@ config AVR32
         select HAVE_KPROBES
         select HAVE_GENERIC_HARDIRQS
         select GENERIC_IRQ_PROBE
+        select GENERIC_ATOMIC64
         select HARDIRQS_SW_RESEND
         select GENERIC_IRQ_SHOW
         select ARCH_HAVE_NMI_SAFE_CMPXCHG
diff --git a/arch/avr32/include/asm/posix_types.h b/arch/avr32/include/asm/posix_types.h
index fe0c0c01438..74667bfc88c 100644
--- a/arch/avr32/include/asm/posix_types.h
+++ b/arch/avr32/include/asm/posix_types.h
@@ -14,112 +14,27 @@
  * assume GCC is being used.
  */
 
-typedef unsigned long   __kernel_ino_t;
 typedef unsigned short  __kernel_mode_t;
+#define __kernel_mode_t __kernel_mode_t
+
 typedef unsigned short  __kernel_nlink_t;
-typedef long            __kernel_off_t;
-typedef int             __kernel_pid_t;
+#define __kernel_nlink_t __kernel_nlink_t
+
 typedef unsigned short  __kernel_ipc_pid_t;
-typedef unsigned int    __kernel_uid_t;
-typedef unsigned int    __kernel_gid_t;
+#define __kernel_ipc_pid_t __kernel_ipc_pid_t
+
 typedef unsigned long   __kernel_size_t;
 typedef long            __kernel_ssize_t;
 typedef int             __kernel_ptrdiff_t;
-typedef long            __kernel_time_t;
-typedef long            __kernel_suseconds_t;
-typedef long            __kernel_clock_t;
-typedef int             __kernel_timer_t;
-typedef int             __kernel_clockid_t;
-typedef int             __kernel_daddr_t;
-typedef char *          __kernel_caddr_t;
-typedef unsigned short  __kernel_uid16_t;
-typedef unsigned short  __kernel_gid16_t;
-typedef unsigned int    __kernel_uid32_t;
-typedef unsigned int    __kernel_gid32_t;
+#define __kernel_size_t __kernel_size_t
 
 typedef unsigned short  __kernel_old_uid_t;
 typedef unsigned short  __kernel_old_gid_t;
-typedef unsigned short  __kernel_old_dev_t;
-
-#ifdef __GNUC__
-typedef long long       __kernel_loff_t;
-#endif
-
-typedef struct {
-    int     val[2];
-} __kernel_fsid_t;
-
-#if defined(__KERNEL__)
-
-#undef  __FD_SET
-static __inline__ void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp)
-{
-    unsigned long __tmp = __fd / __NFDBITS;
-    unsigned long __rem = __fd % __NFDBITS;
-    __fdsetp->fds_bits[__tmp] |= (1UL<<__rem);
-}
-
-#undef  __FD_CLR
-static __inline__ void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp)
-{
-    unsigned long __tmp = __fd / __NFDBITS;
-    unsigned long __rem = __fd % __NFDBITS;
-    __fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem);
-}
+#define __kernel_old_uid_t __kernel_old_uid_t
 
+typedef unsigned short  __kernel_old_dev_t;
+#define __kernel_old_dev_t __kernel_old_dev_t
 
-#undef  __FD_ISSET
-static __inline__ int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p)
-{
-    unsigned long __tmp = __fd / __NFDBITS;
-    unsigned long __rem = __fd % __NFDBITS;
-    return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0;
-}
-
-/*
- * This will unroll the loop for the normal constant case (8 ints,
- * for a 256-bit fd_set)
- */
-#undef  __FD_ZERO
-static __inline__ void __FD_ZERO(__kernel_fd_set *__p)
-{
-    unsigned long *__tmp = __p->fds_bits;
-    int __i;
-
-    if (__builtin_constant_p(__FDSET_LONGS)) {
-        switch (__FDSET_LONGS) {
-            case 16:
-                __tmp[ 0] = 0; __tmp[ 1] = 0;
-                __tmp[ 2] = 0; __tmp[ 3] = 0;
-                __tmp[ 4] = 0; __tmp[ 5] = 0;
-                __tmp[ 6] = 0; __tmp[ 7] = 0;
-                __tmp[ 8] = 0; __tmp[ 9] = 0;
-                __tmp[10] = 0; __tmp[11] = 0;
-                __tmp[12] = 0; __tmp[13] = 0;
-                __tmp[14] = 0; __tmp[15] = 0;
-                return;
-
-            case 8:
-                __tmp[ 0] = 0; __tmp[ 1] = 0;
-                __tmp[ 2] = 0; __tmp[ 3] = 0;
-                __tmp[ 4] = 0; __tmp[ 5] = 0;
-                __tmp[ 6] = 0; __tmp[ 7] = 0;
-                return;
-
-            case 4:
-                __tmp[ 0] = 0; __tmp[ 1] = 0;
-                __tmp[ 2] = 0; __tmp[ 3] = 0;
-                return;
-        }
-    }
-    __i = __FDSET_LONGS;
-    while (__i) {
-        __i--;
-        *__tmp = 0;
-        __tmp++;
-    }
-}
-
-#endif /* defined(__KERNEL__) */
+#include <asm-generic/posix_types.h>
 
 #endif /* __ASM_AVR32_POSIX_TYPES_H */
diff --git a/arch/c6x/boot/Makefile b/arch/c6x/boot/Makefile
index ecca820e604..6891257d514 100644
--- a/arch/c6x/boot/Makefile
+++ b/arch/c6x/boot/Makefile
@@ -13,7 +13,7 @@ obj-y += linked_dtb.o
 endif
 
 $(obj)/%.dtb: $(src)/dts/%.dts FORCE
-        $(call cmd,dtc)
+        $(call if_changed_dep,dtc)
 
 quiet_cmd_cp = CP      $< $@$2
         cmd_cp = cat $< >$@$2 || (rm -f $@ && echo false)
diff --git a/arch/cris/include/asm/posix_types.h b/arch/cris/include/asm/posix_types.h
index ce3fb25a460..72b3cd6eda0 100644
--- a/arch/cris/include/asm/posix_types.h
+++ b/arch/cris/include/asm/posix_types.h
@@ -12,55 +12,25 @@
  * assume GCC is being used.
  */
 
-typedef unsigned long   __kernel_ino_t;
 typedef unsigned short  __kernel_mode_t;
+#define __kernel_mode_t __kernel_mode_t
+
 typedef unsigned short  __kernel_nlink_t;
-typedef long            __kernel_off_t;
-typedef int             __kernel_pid_t;
+#define __kernel_nlink_t __kernel_nlink_t
+
 typedef unsigned short  __kernel_ipc_pid_t;
+#define __kernel_ipc_pid_t __kernel_ipc_pid_t
+
 typedef unsigned short  __kernel_uid_t;
 typedef unsigned short  __kernel_gid_t;
+#define __kernel_uid_t __kernel_uid_t
+
 typedef __SIZE_TYPE__   __kernel_size_t;
 typedef long            __kernel_ssize_t;
 typedef int             __kernel_ptrdiff_t;
-typedef long            __kernel_time_t;
-typedef long            __kernel_suseconds_t;
-typedef long            __kernel_clock_t;
-typedef int             __kernel_timer_t;
-typedef int             __kernel_clockid_t;
-typedef int             __kernel_daddr_t;
-typedef char *          __kernel_caddr_t;
-typedef unsigned short  __kernel_uid16_t;
-typedef unsigned short  __kernel_gid16_t;
-typedef unsigned int    __kernel_uid32_t;
-typedef unsigned int    __kernel_gid32_t;
+#define __kernel_size_t __kernel_size_t
 
-typedef unsigned short  __kernel_old_uid_t;
-typedef unsigned short  __kernel_old_gid_t;
 typedef unsigned short  __kernel_old_dev_t;
-
-#ifdef __GNUC__
-typedef long long       __kernel_loff_t;
-#endif
-
-typedef struct {
-        int     val[2];
-} __kernel_fsid_t;
-
-#ifdef __KERNEL__
-
-#undef  __FD_SET
-#define __FD_SET(fd,fdsetp) set_bit(fd, (void *)(fdsetp))
-
-#undef  __FD_CLR
-#define __FD_CLR(fd,fdsetp) clear_bit(fd, (void *)(fdsetp))
-
-#undef  __FD_ISSET
-#define __FD_ISSET(fd,fdsetp) test_bit(fd, (void *)(fdsetp))
-
-#undef  __FD_ZERO
-#define __FD_ZERO(fdsetp) memset((void *)(fdsetp), 0, __FDSET_LONGS << 2)
-
-#endif /* __KERNEL__ */
+#define __kernel_old_dev_t __kernel_old_dev_t
 
 #endif /* __ARCH_CRIS_POSIX_TYPES_H */
diff --git a/arch/frv/include/asm/posix_types.h b/arch/frv/include/asm/posix_types.h
index a9f1f5be063..3f34cb45fbb 100644
--- a/arch/frv/include/asm/posix_types.h
+++ b/arch/frv/include/asm/posix_types.h
@@ -7,56 +7,23 @@
  * assume GCC is being used.
  */
 
-typedef unsigned long   __kernel_ino_t;
 typedef unsigned short  __kernel_mode_t;
+#define __kernel_mode_t __kernel_mode_t
+
 typedef unsigned short  __kernel_nlink_t;
-typedef long            __kernel_off_t;
-typedef int             __kernel_pid_t;
+#define __kernel_nlink_t __kernel_nlink_t
+
 typedef unsigned short  __kernel_ipc_pid_t;
+#define __kernel_ipc_pid_t __kernel_ipc_pid_t
+
 typedef unsigned short  __kernel_uid_t;
 typedef unsigned short  __kernel_gid_t;
-typedef unsigned int    __kernel_size_t;
-typedef int             __kernel_ssize_t;
-typedef int             __kernel_ptrdiff_t;
-typedef long            __kernel_time_t;
-typedef long            __kernel_suseconds_t;
-typedef long            __kernel_clock_t;
-typedef int             __kernel_timer_t;
-typedef int             __kernel_clockid_t;
-typedef int             __kernel_daddr_t;
-typedef char *          __kernel_caddr_t;
-typedef unsigned short  __kernel_uid16_t;
-typedef unsigned short  __kernel_gid16_t;
-typedef unsigned int    __kernel_uid32_t;
-typedef unsigned int    __kernel_gid32_t;
-
-typedef unsigned short  __kernel_old_uid_t;
-typedef unsigned short  __kernel_old_gid_t;
-typedef unsigned short  __kernel_old_dev_t;
-
-#ifdef __GNUC__
-typedef long long       __kernel_loff_t;
-#endif
+#define __kernel_uid_t __kernel_uid_t
 
-typedef struct {
-        int     val[2];
-} __kernel_fsid_t;
-
-#if defined(__KERNEL__)
-
-#undef  __FD_SET
-#define __FD_SET(d, set)        ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
-
-#undef  __FD_CLR
-#define __FD_CLR(d, set)        ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
-
-#undef  __FD_ISSET
-#define __FD_ISSET(d, set)      (!!((set)->fds_bits[__FDELT(d)] & __FDMASK(d)))
-
-#undef  __FD_ZERO
-#define __FD_ZERO(fdsetp) (memset (fdsetp, 0, sizeof(*(fd_set *)fdsetp)))
+typedef unsigned short  __kernel_old_dev_t;
+#define __kernel_old_dev_t __kernel_old_dev_t
 
-#endif /* defined(__KERNEL__) */
+#include <asm-generic/posix_types.h>
 
 #endif
 
diff --git a/arch/h8300/include/asm/posix_types.h b/arch/h8300/include/asm/posix_types.h
index 6f833a16f69..bc4c34efb1a 100644
--- a/arch/h8300/include/asm/posix_types.h
+++ b/arch/h8300/include/asm/posix_types.h
@@ -7,54 +7,23 @@
  * assume GCC is being used.
  */
 
-typedef unsigned long   __kernel_ino_t;
 typedef unsigned short  __kernel_mode_t;
+#define __kernel_mode_t __kernel_mode_t
+
 typedef unsigned short  __kernel_nlink_t;
-typedef long            __kernel_off_t;
-typedef int             __kernel_pid_t;
+#define __kernel_nlink_t __kernel_nlink_t
+
 typedef unsigned short  __kernel_ipc_pid_t;
+#define __kernel_ipc_pid_t __kernel_ipc_pid_t
+
 typedef unsigned short  __kernel_uid_t;
 typedef unsigned short  __kernel_gid_t;
-typedef unsigned int    __kernel_size_t;
-typedef int             __kernel_ssize_t;
-typedef int             __kernel_ptrdiff_t;
-typedef long            __kernel_time_t;
-typedef long            __kernel_suseconds_t;
-typedef long            __kernel_clock_t;
-typedef int             __kernel_timer_t;
-typedef int             __kernel_clockid_t;
-typedef int             __kernel_daddr_t;
-typedef char *          __kernel_caddr_t;
-typedef unsigned short  __kernel_uid16_t;
-typedef unsigned short  __kernel_gid16_t;
-typedef unsigned int    __kernel_uid32_t;
-typedef unsigned int    __kernel_gid32_t;
+#define __kernel_uid_t __kernel_uid_t
 
 typedef unsigned short  __kernel_old_uid_t;
 typedef unsigned short  __kernel_old_gid_t;
+#define __kernel_old_uid_t __kernel_old_uid_t
 
-#ifdef __GNUC__
-typedef long long       __kernel_loff_t;
-#endif
-
-typedef struct {
-        int     val[2];
-} __kernel_fsid_t;
-
-#if defined(__KERNEL__)
-
-#undef  __FD_SET
-#define __FD_SET(d, set)        ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
-
-#undef  __FD_CLR
-#define __FD_CLR(d, set)        ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
-
-#undef  __FD_ISSET
-#define __FD_ISSET(d, set)      (!!((set)->fds_bits[__FDELT(d)] & __FDMASK(d)))
-
-#undef  __FD_ZERO
-#define __FD_ZERO(fdsetp) (memset (fdsetp, 0, sizeof(*(fd_set *)fdsetp)))
-
-#endif /* defined(__KERNEL__) */
+#include <asm-generic/posix_types.h>
 
 #endif
diff --git a/arch/ia64/include/asm/posix_types.h b/arch/ia64/include/asm/posix_types.h
index 17885567b73..7323ab9467e 100644
--- a/arch/ia64/include/asm/posix_types.h
+++ b/arch/ia64/include/asm/posix_types.h
@@ -1,126 +1,11 @@
 #ifndef _ASM_IA64_POSIX_TYPES_H
 #define _ASM_IA64_POSIX_TYPES_H
 
-/*
- * This file is generally used by user-level software, so you need to
- * be a little careful about namespace pollution etc.  Also, we cannot
- * assume GCC is being used.
- *
- * Based on <asm-alpha/posix_types.h>.
- *
- * Modified 1998-2000, 2003
- *      David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
- */
-
-typedef unsigned long   __kernel_ino_t;
-typedef unsigned int    __kernel_mode_t;
 typedef unsigned int    __kernel_nlink_t;
-typedef long            __kernel_off_t;
-typedef long long       __kernel_loff_t;
-typedef int             __kernel_pid_t;
-typedef int             __kernel_ipc_pid_t;
-typedef unsigned int    __kernel_uid_t;
-typedef unsigned int    __kernel_gid_t;
-typedef unsigned long   __kernel_size_t;
-typedef long            __kernel_ssize_t;
-typedef long            __kernel_ptrdiff_t;
-typedef long            __kernel_time_t;
-typedef long            __kernel_suseconds_t;
-typedef long            __kernel_clock_t;
-typedef int             __kernel_timer_t;
-typedef int             __kernel_clockid_t;
-typedef int             __kernel_daddr_t;
-typedef char *          __kernel_caddr_t;
-typedef unsigned long   __kernel_sigset_t;      /* at least 32 bits */
-typedef unsigned short  __kernel_uid16_t;
-typedef unsigned short  __kernel_gid16_t;
-
-typedef struct {
-        int     val[2];
-} __kernel_fsid_t;
-
-typedef __kernel_uid_t __kernel_old_uid_t;
-typedef __kernel_gid_t __kernel_old_gid_t;
-typedef __kernel_uid_t __kernel_uid32_t;
-typedef __kernel_gid_t __kernel_gid32_t;
-
-typedef unsigned int    __kernel_old_dev_t;
-
-# ifdef __KERNEL__
-
-#  ifndef __GNUC__
-
-#define __FD_SET(d, set)        ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
-#define __FD_CLR(d, set)        ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
-#define __FD_ISSET(d, set)      (((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
-#define __FD_ZERO(set)  \
-  ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set)))
+#define __kernel_nlink_t __kernel_nlink_t
 
-#  else /* !__GNUC__ */
-
-/* With GNU C, use inline functions instead so args are evaluated only once: */
-
-#undef __FD_SET
-static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
-{
-        unsigned long _tmp = fd / __NFDBITS;
-        unsigned long _rem = fd % __NFDBITS;
-        fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
-}
-
-#undef __FD_CLR
-static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
-{
-        unsigned long _tmp = fd / __NFDBITS;
-        unsigned long _rem = fd % __NFDBITS;
-        fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
-}
-
-#undef __FD_ISSET
-static __inline__ int __FD_ISSET(unsigned long fd, const __kernel_fd_set *p)
-{ 
-        unsigned long _tmp = fd / __NFDBITS;
-        unsigned long _rem = fd % __NFDBITS;
-        return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
-}
-
-/*
- * This will unroll the loop for the normal constant case (8 ints,
- * for a 256-bit fd_set)
- */
-#undef __FD_ZERO
-static __inline__ void __FD_ZERO(__kernel_fd_set *p)
-{
-        unsigned long *tmp = p->fds_bits;
-        int i;
-
-        if (__builtin_constant_p(__FDSET_LONGS)) {
-                switch (__FDSET_LONGS) {
-                      case 16:
-                        tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-                        tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
-                        tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
-                        tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
-                        return;
-
-                      case 8:
-                        tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-                        tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
-                        return;
+typedef unsigned long   __kernel_sigset_t;      /* at least 32 bits */
 
-                      case 4:
-                        tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-                        return;
-                }
-        }
-        i = __FDSET_LONGS;
-        while (i) {
-                i--;
-                *tmp = 0;
-                tmp++;
-        }
-}
+#include <asm-generic/posix_types.h>
 
-#  endif /* !__GNUC__ */
-# endif /* __KERNEL__ */
 #endif /* _ASM_IA64_POSIX_TYPES_H */
diff --git a/arch/m32r/include/asm/posix_types.h b/arch/m32r/include/asm/posix_types.h
index b309c585863..0195850e1f8 100644
--- a/arch/m32r/include/asm/posix_types.h
+++ b/arch/m32r/include/asm/posix_types.h
@@ -7,112 +7,22 @@
  * assume GCC is being used.
  */
 
-typedef unsigned long   __kernel_ino_t;
 typedef unsigned short  __kernel_mode_t;
+#define __kernel_mode_t __kernel_mode_t
+
 typedef unsigned short  __kernel_nlink_t;
-typedef long            __kernel_off_t;
-typedef int             __kernel_pid_t;
+#define __kernel_nlink_t __kernel_nlink_t
+
 typedef unsigned short  __kernel_ipc_pid_t;
+#define __kernel_ipc_pid_t __kernel_ipc_pid_t
+
 typedef unsigned short  __kernel_uid_t;
 typedef unsigned short  __kernel_gid_t;
-typedef unsigned int    __kernel_size_t;
-typedef int             __kernel_ssize_t;
-typedef int             __kernel_ptrdiff_t;
-typedef long            __kernel_time_t;
-typedef long            __kernel_suseconds_t;
-typedef long            __kernel_clock_t;
-typedef int             __kernel_timer_t;
-typedef int             __kernel_clockid_t;
-typedef int             __kernel_daddr_t;
-typedef char *          __kernel_caddr_t;
-typedef unsigned short  __kernel_uid16_t;
-typedef unsigned short  __kernel_gid16_t;
-typedef unsigned int    __kernel_uid32_t;
-typedef unsigned int    __kernel_gid32_t;
+#define __kernel_uid_t __kernel_uid_t
 
-typedef unsigned short  __kernel_old_uid_t;
-typedef unsigned short  __kernel_old_gid_t;
 typedef unsigned short  __kernel_old_dev_t;
+#define __kernel_old_dev_t __kernel_old_dev_t
 
-#ifdef __GNUC__
-typedef long long       __kernel_loff_t;
-#endif
-
-typedef struct {
-        int     val[2];
-} __kernel_fsid_t;
-
-#if defined(__KERNEL__)
-
-#undef  __FD_SET
-static __inline__ void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp)
-{
-        unsigned long __tmp = __fd / __NFDBITS;
-        unsigned long __rem = __fd % __NFDBITS;
-        __fdsetp->fds_bits[__tmp] |= (1UL<<__rem);
-}
-
-#undef  __FD_CLR
-static __inline__ void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp)
-{
-        unsigned long __tmp = __fd / __NFDBITS;
-        unsigned long __rem = __fd % __NFDBITS;
-        __fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem);
-}
-
-
-#undef  __FD_ISSET
-static __inline__ int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p)
-{
-        unsigned long __tmp = __fd / __NFDBITS;
-        unsigned long __rem = __fd % __NFDBITS;
-        return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0;
-}
-
-/*
- * This will unroll the loop for the normal constant case (8 ints,
- * for a 256-bit fd_set)
- */
-#undef  __FD_ZERO
-static __inline__ void __FD_ZERO(__kernel_fd_set *__p)
-{
-        unsigned long *__tmp = __p->fds_bits;
-        int __i;
-
-        if (__builtin_constant_p(__FDSET_LONGS)) {
-                switch (__FDSET_LONGS) {
-                case 16:
-                        __tmp[ 0] = 0; __tmp[ 1] = 0;
-                        __tmp[ 2] = 0; __tmp[ 3] = 0;
-                        __tmp[ 4] = 0; __tmp[ 5] = 0;
-                        __tmp[ 6] = 0; __tmp[ 7] = 0;
-                        __tmp[ 8] = 0; __tmp[ 9] = 0;
-                        __tmp[10] = 0; __tmp[11] = 0;
-                        __tmp[12] = 0; __tmp[13] = 0;
-                        __tmp[14] = 0; __tmp[15] = 0;
-                        return;
-
-                case 8:
-                        __tmp[ 0] = 0; __tmp[ 1] = 0;
-                        __tmp[ 2] = 0; __tmp[ 3] = 0;
-                        __tmp[ 4] = 0; __tmp[ 5] = 0;
-                        __tmp[ 6] = 0; __tmp[ 7] = 0;
-                        return;
-
-                case 4:
-                        __tmp[ 0] = 0; __tmp[ 1] = 0;
-                        __tmp[ 2] = 0; __tmp[ 3] = 0;
-                        return;
-                }
-        }
-        __i = __FDSET_LONGS;
-        while (__i) {
-                __i--;
-                *__tmp = 0;
-                __tmp++;
-        }
-}
-
-#endif /* defined(__KERNEL__) */
+#include <asm-generic/posix_types.h>
 
 #endif  /* _ASM_M32R_POSIX_TYPES_H */
diff --git a/arch/m68k/include/asm/mcf_pgtable.h b/arch/m68k/include/asm/mcf_pgtable.h
index 756bde4fb4f..3c793682e5d 100644
--- a/arch/m68k/include/asm/mcf_pgtable.h
+++ b/arch/m68k/include/asm/mcf_pgtable.h
@@ -78,7 +78,8 @@
                                  | CF_PAGE_READABLE \
                                  | CF_PAGE_WRITABLE \
                                  | CF_PAGE_EXEC \
-                                 | CF_PAGE_SYSTEM)
+                                 | CF_PAGE_SYSTEM \
+                                 | CF_PAGE_SHARED)
 
 #define PAGE_COPY       __pgprot(CF_PAGE_VALID \
                                  | CF_PAGE_ACCESSED \
diff --git a/arch/m68k/include/asm/posix_types.h b/arch/m68k/include/asm/posix_types.h
index 98d0970d9ba..6373093be72 100644
--- a/arch/m68k/include/asm/posix_types.h
+++ b/arch/m68k/include/asm/posix_types.h
@@ -7,55 +7,22 @@
  * assume GCC is being used.
  */
 
-typedef unsigned long   __kernel_ino_t;
 typedef unsigned short  __kernel_mode_t;
+#define __kernel_mode_t __kernel_mode_t
+
 typedef unsigned short  __kernel_nlink_t;
-typedef long            __kernel_off_t;
-typedef int             __kernel_pid_t;
+#define __kernel_nlink_t __kernel_nlink_t
+
 typedef unsigned short  __kernel_ipc_pid_t;
+#define __kernel_ipc_pid_t __kernel_ipc_pid_t
+
 typedef unsigned short  __kernel_uid_t;
 typedef unsigned short  __kernel_gid_t;
-typedef unsigned int    __kernel_size_t;
-typedef int             __kernel_ssize_t;
-typedef int             __kernel_ptrdiff_t;
-typedef long            __kernel_time_t;
-typedef long            __kernel_suseconds_t;
-typedef long            __kernel_clock_t;
-typedef int             __kernel_timer_t;
-typedef int             __kernel_clockid_t;
-typedef int             __kernel_daddr_t;
-typedef char *          __kernel_caddr_t;
-typedef unsigned short  __kernel_uid16_t;
-typedef unsigned short  __kernel_gid16_t;
-typedef unsigned int    __kernel_uid32_t;
-typedef unsigned int    __kernel_gid32_t;
-
-typedef unsigned short  __kernel_old_uid_t;
-typedef unsigned short  __kernel_old_gid_t;
-typedef unsigned short  __kernel_old_dev_t;
-
-#ifdef __GNUC__
-typedef long long       __kernel_loff_t;
-#endif
+#define __kernel_uid_t __kernel_uid_t
 
-typedef struct {
-        int     val[2];
-} __kernel_fsid_t;
-
-#if defined(__KERNEL__)
-
-#undef  __FD_SET
-#define __FD_SET(d, set)        ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
-
-#undef  __FD_CLR
-#define __FD_CLR(d, set)        ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
-
-#undef  __FD_ISSET
-#define __FD_ISSET(d, set)      (!!((set)->fds_bits[__FDELT(d)] & __FDMASK(d)))
-
-#undef  __FD_ZERO
-#define __FD_ZERO(fdsetp) (memset (fdsetp, 0, sizeof(*(fd_set *)fdsetp)))
+typedef unsigned short  __kernel_old_dev_t;
+#define __kernel_old_dev_t __kernel_old_dev_t
 
-#endif /* defined(__KERNEL__) */
+#include <asm-generic/posix_types.h>
 
 #endif
diff --git a/arch/m68k/mm/mcfmmu.c b/arch/m68k/mm/mcfmmu.c
index babd5a97cdc..875b800ef0d 100644
--- a/arch/m68k/mm/mcfmmu.c
+++ b/arch/m68k/mm/mcfmmu.c
@@ -87,7 +87,7 @@ void __init paging_init(void)
 
 int cf_tlb_miss(struct pt_regs *regs, int write, int dtlb, int extension_word)
 {
-        unsigned long flags, mmuar;
+        unsigned long flags, mmuar, mmutr;
         struct mm_struct *mm;
         pgd_t *pgd;
         pmd_t *pmd;
@@ -137,9 +137,10 @@ int cf_tlb_miss(struct pt_regs *regs, int write, int dtlb, int extension_word)
         if (!pte_dirty(*pte) && !KMAPAREA(mmuar))
                 set_pte(pte, pte_wrprotect(*pte));
 
-        mmu_write(MMUTR, (mmuar & PAGE_MASK) | (asid << MMUTR_IDN) |
-                (((int)(pte->pte) & (int)CF_PAGE_MMUTR_MASK)
-                >> CF_PAGE_MMUTR_SHIFT) | MMUTR_V);
+        mmutr = (mmuar & PAGE_MASK) | (asid << MMUTR_IDN) | MMUTR_V;
+        if ((mmuar < TASK_UNMAPPED_BASE) || (mmuar >= TASK_SIZE))
+                mmutr |= (pte->pte & CF_PAGE_MMUTR_MASK) >> CF_PAGE_MMUTR_SHIFT;
+        mmu_write(MMUTR, mmutr);
 
         mmu_write(MMUDR, (pte_val(*pte) & PAGE_MASK) |
                 ((pte->pte) & CF_PAGE_MMUDR_MASK) | MMUDR_SZ_8KB | MMUDR_X);
diff --git a/arch/m68k/platform/coldfire/entry.S b/arch/m68k/platform/coldfire/entry.S
index 863889fc31c..281e38c2b6c 100644
--- a/arch/m68k/platform/coldfire/entry.S
+++ b/arch/m68k/platform/coldfire/entry.S
@@ -136,7 +136,7 @@ Luser_return:
         movel   %sp,%d1                 /* get thread_info pointer */
         andl    #-THREAD_SIZE,%d1       /* at base of kernel stack */
         movel   %d1,%a0
-        movel   %a0@(TINFO_FLAGS),%d1   /* get thread_info->flags */
+        moveb   %a0@(TINFO_FLAGS+3),%d1 /* thread_info->flags (low 8 bits) */
         jne     Lwork_to_do             /* still work to do */
 
 Lreturn:
@@ -148,8 +148,6 @@ Lwork_to_do:
         btst    #TIF_NEED_RESCHED,%d1
         jne     reschedule
 
-        /* GERG: do we need something here for TRACEing?? */
-
 Lsignal_return:
         subql   #4,%sp                  /* dummy return address */
         SAVE_SWITCH_STACK
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index c4c1312473f..5ab6e89603c 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2356,6 +2356,7 @@ config PCI
         depends on HW_HAS_PCI
         select PCI_DOMAINS
         select GENERIC_PCI_IOMAP
+        select NO_GENERIC_PCI_IOPORT_MAP
         help
           Find out whether you have a PCI motherboard. PCI is the name of a
           bus system, i.e. the way the CPU talks to the other stuff inside
diff --git a/arch/mips/include/asm/posix_types.h b/arch/mips/include/asm/posix_types.h
index c200102c858..e0308dcca13 100644
--- a/arch/mips/include/asm/posix_types.h
+++ b/arch/mips/include/asm/posix_types.h
@@ -17,128 +17,21 @@
  * assume GCC is being used.
  */
 
-typedef unsigned long   __kernel_ino_t;
-typedef unsigned int    __kernel_mode_t;
-#if (_MIPS_SZLONG == 32)
-typedef unsigned long   __kernel_nlink_t;
-#endif
 #if (_MIPS_SZLONG == 64)
 typedef unsigned int    __kernel_nlink_t;
+#define __kernel_nlink_t __kernel_nlink_t
 #endif
-typedef long            __kernel_off_t;
-typedef int             __kernel_pid_t;
-typedef int             __kernel_ipc_pid_t;
-typedef unsigned int    __kernel_uid_t;
-typedef unsigned int    __kernel_gid_t;
-#if (_MIPS_SZLONG == 32)
-typedef unsigned int    __kernel_size_t;
-typedef int             __kernel_ssize_t;
-typedef int             __kernel_ptrdiff_t;
-#endif
-#if (_MIPS_SZLONG == 64)
-typedef unsigned long   __kernel_size_t;
-typedef long            __kernel_ssize_t;
-typedef long            __kernel_ptrdiff_t;
-#endif
-typedef long            __kernel_time_t;
-typedef long            __kernel_suseconds_t;
-typedef long            __kernel_clock_t;
-typedef int             __kernel_timer_t;
-typedef int             __kernel_clockid_t;
-typedef long            __kernel_daddr_t;
-typedef char *          __kernel_caddr_t;
 
-typedef unsigned short  __kernel_uid16_t;
-typedef unsigned short  __kernel_gid16_t;
-typedef unsigned int    __kernel_uid32_t;
-typedef unsigned int    __kernel_gid32_t;
-typedef __kernel_uid_t  __kernel_old_uid_t;
-typedef __kernel_gid_t  __kernel_old_gid_t;
-typedef unsigned int    __kernel_old_dev_t;
-
-#ifdef __GNUC__
-typedef long long      __kernel_loff_t;
-#endif
+typedef long            __kernel_daddr_t;
+#define __kernel_daddr_t __kernel_daddr_t
 
-typedef struct {
 #if (_MIPS_SZLONG == 32)
+typedef struct {
         long    val[2];
-#endif
-#if (_MIPS_SZLONG == 64)
-        int     val[2];
-#endif
 } __kernel_fsid_t;
+#define __kernel_fsid_t __kernel_fsid_t
+#endif
 
-#if defined(__KERNEL__)
-
-#undef __FD_SET
-static __inline__ void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp)
-{
-        unsigned long __tmp = __fd / __NFDBITS;
-        unsigned long __rem = __fd % __NFDBITS;
-        __fdsetp->fds_bits[__tmp] |= (1UL<<__rem);
-}
-
-#undef __FD_CLR
-static __inline__ void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp)
-{
-        unsigned long __tmp = __fd / __NFDBITS;
-        unsigned long __rem = __fd % __NFDBITS;
-        __fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem);
-}
-
-#undef __FD_ISSET
-static __inline__ int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p)
-{
-        unsigned long __tmp = __fd / __NFDBITS;
-        unsigned long __rem = __fd % __NFDBITS;
-        return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0;
-}
-
-/*
- * This will unroll the loop for the normal constant case (8 ints,
- * for a 256-bit fd_set)
- */
-#undef __FD_ZERO
-static __inline__ void __FD_ZERO(__kernel_fd_set *__p)
-{
-        unsigned long *__tmp = __p->fds_bits;
-        int __i;
-
-        if (__builtin_constant_p(__FDSET_LONGS)) {
-                switch (__FDSET_LONGS) {
-                case 16:
-                        __tmp[ 0] = 0; __tmp[ 1] = 0;
-                        __tmp[ 2] = 0; __tmp[ 3] = 0;
-                        __tmp[ 4] = 0; __tmp[ 5] = 0;
-                        __tmp[ 6] = 0; __tmp[ 7] = 0;
-                        __tmp[ 8] = 0; __tmp[ 9] = 0;
-                        __tmp[10] = 0; __tmp[11] = 0;
-                        __tmp[12] = 0; __tmp[13] = 0;
-                        __tmp[14] = 0; __tmp[15] = 0;
-                        return;
-
-                case 8:
-                        __tmp[ 0] = 0; __tmp[ 1] = 0;
-                        __tmp[ 2] = 0; __tmp[ 3] = 0;
-                        __tmp[ 4] = 0; __tmp[ 5] = 0;
-                        __tmp[ 6] = 0; __tmp[ 7] = 0;
-                        return;
-
-                case 4:
-                        __tmp[ 0] = 0; __tmp[ 1] = 0;
-                        __tmp[ 2] = 0; __tmp[ 3] = 0;
-                        return;
-                }
-        }
-        __i = __FDSET_LONGS;
-        while (__i) {
-                __i--;
-                *__tmp = 0;
-                __tmp++;
-        }
-}
-
-#endif /* defined(__KERNEL__) */
+#include <asm-generic/posix_types.h>
 
 #endif /* _ASM_POSIX_TYPES_H */
diff --git a/arch/mips/kernel/kspd.c b/arch/mips/kernel/kspd.c
index 29811f04339..84d0639e458 100644
--- a/arch/mips/kernel/kspd.c
+++ b/arch/mips/kernel/kspd.c
@@ -326,7 +326,7 @@ static void sp_cleanup(void)
                 i = j * __NFDBITS;
                 if (i >= fdt->max_fds)
                         break;
-                set = fdt->open_fds->fds_bits[j++];
+                set = fdt->open_fds[j++];
                 while (set) {
                         if (set & 1) {
                                 struct file * file = xchg(&fdt->fd[i], NULL);
diff --git a/arch/mips/lib/iomap-pci.c b/arch/mips/lib/iomap-pci.c
index 2635b1a9633..fd35daa4531 100644
--- a/arch/mips/lib/iomap-pci.c
+++ b/arch/mips/lib/iomap-pci.c
@@ -10,8 +10,8 @@
 #include <linux/module.h>
 #include <asm/io.h>
 
-static void __iomem *ioport_map_pci(struct pci_dev *dev,
-                                     unsigned long port, unsigned int nr)
+void __iomem *__pci_ioport_map(struct pci_dev *dev,
+                               unsigned long port, unsigned int nr)
 {
         struct pci_controller *ctrl = dev->bus->sysdata;
         unsigned long base = ctrl->io_map_base;
diff --git a/arch/mn10300/include/asm/posix_types.h b/arch/mn10300/include/asm/posix_types.h
index 56ffbc15879..ab506181ec3 100644
--- a/arch/mn10300/include/asm/posix_types.h
+++ b/arch/mn10300/include/asm/posix_types.h
@@ -17,14 +17,19 @@
  * assume GCC is being used.
  */
 
-typedef unsigned long   __kernel_ino_t;
 typedef unsigned short  __kernel_mode_t;
+#define __kernel_mode_t __kernel_mode_t
+
 typedef unsigned short  __kernel_nlink_t;
-typedef long            __kernel_off_t;
-typedef int             __kernel_pid_t;
+#define __kernel_nlink_t __kernel_nlink_t
+
 typedef unsigned short  __kernel_ipc_pid_t;
+#define __kernel_ipc_pid_t __kernel_ipc_pid_t
+
 typedef unsigned short  __kernel_uid_t;
 typedef unsigned short  __kernel_gid_t;
+#define __kernel_uid_t __kernel_uid_t
+
 #if __GNUC__ == 4
 typedef unsigned int    __kernel_size_t;
 typedef signed int      __kernel_ssize_t;
@@ -33,105 +38,11 @@ typedef unsigned long	__kernel_size_t;
 typedef signed long     __kernel_ssize_t;
 #endif
 typedef int             __kernel_ptrdiff_t;
-typedef long            __kernel_time_t;
-typedef long            __kernel_suseconds_t;
-typedef long            __kernel_clock_t;
-typedef int             __kernel_timer_t;
-typedef int             __kernel_clockid_t;
-typedef int             __kernel_daddr_t;
-typedef char *          __kernel_caddr_t;
-typedef unsigned short  __kernel_uid16_t;
-typedef unsigned short  __kernel_gid16_t;
-typedef unsigned int    __kernel_uid32_t;
-typedef unsigned int    __kernel_gid32_t;
+#define __kernel_size_t __kernel_size_t
 
-typedef unsigned short  __kernel_old_uid_t;
-typedef unsigned short  __kernel_old_gid_t;
 typedef unsigned short  __kernel_old_dev_t;
+#define __kernel_old_dev_t __kernel_old_dev_t
 
-#ifdef __GNUC__
-typedef long long       __kernel_loff_t;
-#endif
-
-typedef struct {
-#if defined(__KERNEL__) || defined(__USE_ALL)
-        int     val[2];
-#else /* !defined(__KERNEL__) && !defined(__USE_ALL) */
-        int     __val[2];
-#endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */
-} __kernel_fsid_t;
-
-#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
-
-#undef  __FD_SET
-static inline void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp)
-{
-        unsigned long __tmp = __fd / __NFDBITS;
-        unsigned long __rem = __fd % __NFDBITS;
-        __fdsetp->fds_bits[__tmp] |= (1UL<<__rem);
-}
-
-#undef  __FD_CLR
-static inline void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp)
-{
-        unsigned long __tmp = __fd / __NFDBITS;
-        unsigned long __rem = __fd % __NFDBITS;
-        __fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem);
-}
-
-
-#undef  __FD_ISSET
-static inline int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p)
-{
-        unsigned long __tmp = __fd / __NFDBITS;
-        unsigned long __rem = __fd % __NFDBITS;
-        return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0;
-}
-
-/*
- * This will unroll the loop for the normal constant case (8 ints,
- * for a 256-bit fd_set)
- */
-#undef  __FD_ZERO
-static inline void __FD_ZERO(__kernel_fd_set *__p)
-{
-        unsigned long *__tmp = __p->fds_bits;
-        int __i;
-
-        if (__builtin_constant_p(__FDSET_LONGS)) {
-                switch (__FDSET_LONGS) {
-                case 16:
-                        __tmp[ 0] = 0; __tmp[ 1] = 0;
-                        __tmp[ 2] = 0; __tmp[ 3] = 0;
-                        __tmp[ 4] = 0; __tmp[ 5] = 0;
-                        __tmp[ 6] = 0; __tmp[ 7] = 0;
-                        __tmp[ 8] = 0; __tmp[ 9] = 0;
-                        __tmp[10] = 0; __tmp[11] = 0;
-                        __tmp[12] = 0; __tmp[13] = 0;
-                        __tmp[14] = 0; __tmp[15] = 0;
-                        return;
-
-                case 8:
-                        __tmp[ 0] = 0; __tmp[ 1] = 0;
-                        __tmp[ 2] = 0; __tmp[ 3] = 0;
-                        __tmp[ 4] = 0; __tmp[ 5] = 0;
-                        __tmp[ 6] = 0; __tmp[ 7] = 0;
-                        return;
-
-                case 4:
-                        __tmp[ 0] = 0; __tmp[ 1] = 0;
-                        __tmp[ 2] = 0; __tmp[ 3] = 0;
-                        return;
-                }
-        }
-        __i = __FDSET_LONGS;
-        while (__i) {
-                __i--;
-                *__tmp = 0;
-                __tmp++;
-        }
-}
-
-#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
+#include <asm-generic/posix_types.h>
 
 #endif /* _ASM_POSIX_TYPES_H */
diff --git a/arch/openrisc/include/asm/ptrace.h b/arch/openrisc/include/asm/ptrace.h
index 054537c5f9c..e612ce4512c 100644
--- a/arch/openrisc/include/asm/ptrace.h
+++ b/arch/openrisc/include/asm/ptrace.h
@@ -77,7 +77,6 @@ struct pt_regs {
         long  syscallno;        /* Syscall number (used by strace) */
         long dummy;             /* Cheap alignment fix */
 };
-#endif /* __ASSEMBLY__ */
 
 /* TODO: Rename this to REDZONE because that's what it is */
 #define STACK_FRAME_OVERHEAD  128  /* size of minimum stack frame */
@@ -87,6 +86,13 @@ struct pt_regs {
 #define user_stack_pointer(regs)        ((unsigned long)(regs)->sp)
 #define profile_pc(regs)                instruction_pointer(regs)
 
+static inline long regs_return_value(struct pt_regs *regs)
+{
+        return regs->gpr[11];
+}
+
+#endif /* __ASSEMBLY__ */
+
 /*
  * Offsets used by 'ptrace' system call interface.
  */
diff --git a/arch/openrisc/kernel/init_task.c b/arch/openrisc/kernel/init_task.c
index 45744a38492..ca534082d5f 100644
--- a/arch/openrisc/kernel/init_task.c
+++ b/arch/openrisc/kernel/init_task.c
@@ -17,6 +17,7 @@
 
 #include <linux/init_task.h>
 #include <linux/mqueue.h>
+#include <linux/export.h>
 
 static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
 static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
diff --git a/arch/openrisc/kernel/irq.c b/arch/openrisc/kernel/irq.c
index 59b30233833..4bfead22095 100644
--- a/arch/openrisc/kernel/irq.c
+++ b/arch/openrisc/kernel/irq.c
@@ -23,6 +23,7 @@
 #include <linux/irq.h>
 #include <linux/seq_file.h>
 #include <linux/kernel_stat.h>
+#include <linux/export.h>
 
 #include <linux/irqflags.h>
 
diff --git a/arch/openrisc/kernel/ptrace.c b/arch/openrisc/kernel/ptrace.c
index 656b94beab8..7259047d5f9 100644
--- a/arch/openrisc/kernel/ptrace.c
+++ b/arch/openrisc/kernel/ptrace.c
@@ -188,11 +188,9 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
                  */
                 ret = -1L;
 
-        /* Are these regs right??? */
-        if (unlikely(current->audit_context))
-                audit_syscall_entry(audit_arch(), regs->syscallno,
-                                    regs->gpr[3], regs->gpr[4],
-                                    regs->gpr[5], regs->gpr[6]);
+        audit_syscall_entry(audit_arch(), regs->syscallno,
+                            regs->gpr[3], regs->gpr[4],
+                            regs->gpr[5], regs->gpr[6]);
 
         return ret ? : regs->syscallno;
 }
@@ -201,9 +199,7 @@ asmlinkage void do_syscall_trace_leave(struct pt_regs *regs)
 {
         int step;
 
-        if (unlikely(current->audit_context))
-                audit_syscall_exit(AUDITSC_RESULT(regs->gpr[11]),
-                                   regs->gpr[11]);
+        audit_syscall_exit(regs);
 
         step = test_thread_flag(TIF_SINGLESTEP);
         if (step || test_thread_flag(TIF_SYSCALL_TRACE))
diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
index 55cca1dac43..19ab7b2ea1c 100644
--- a/arch/parisc/Makefile
+++ b/arch/parisc/Makefile
@@ -31,7 +31,11 @@ ifdef CONFIG_64BIT
 UTS_MACHINE     := parisc64
 CHECKFLAGS      += -D__LP64__=1 -m64
 WIDTH           := 64
+
+# FIXME: if no default set, should really try to locate dynamically
+ifeq ($(CROSS_COMPILE),)
 CROSS_COMPILE   := hppa64-linux-gnu-
+endif
 else # 32-bit
 WIDTH           :=
 endif
diff --git a/arch/parisc/include/asm/posix_types.h b/arch/parisc/include/asm/posix_types.h
index 00da29a340b..5212b0357da 100644
--- a/arch/parisc/include/asm/posix_types.h
+++ b/arch/parisc/include/asm/posix_types.h
@@ -6,123 +6,22 @@
  * be a little careful about namespace pollution etc.  Also, we cannot
  * assume GCC is being used.
  */
-typedef unsigned long           __kernel_ino_t;
+
 typedef unsigned short          __kernel_mode_t;
+#define __kernel_mode_t __kernel_mode_t
+
 typedef unsigned short          __kernel_nlink_t;
-typedef long                    __kernel_off_t;
-typedef int                     __kernel_pid_t;
+#define __kernel_nlink_t __kernel_nlink_t
+
 typedef unsigned short          __kernel_ipc_pid_t;
-typedef unsigned int            __kernel_uid_t;
-typedef unsigned int            __kernel_gid_t;
-typedef int                     __kernel_suseconds_t;
-typedef long                    __kernel_clock_t;
-typedef int                     __kernel_timer_t;
-typedef int                     __kernel_clockid_t;
-typedef int                     __kernel_daddr_t;
-/* Note these change from narrow to wide kernels */
-#ifdef CONFIG_64BIT
-typedef unsigned long           __kernel_size_t;
-typedef long                    __kernel_ssize_t;
-typedef long                    __kernel_ptrdiff_t;
-#else
-typedef unsigned int            __kernel_size_t;
-typedef int                     __kernel_ssize_t;
-typedef int                     __kernel_ptrdiff_t;
-#endif
-typedef long                    __kernel_time_t;
-typedef char *                  __kernel_caddr_t;
+#define __kernel_ipc_pid_t __kernel_ipc_pid_t
 
-typedef unsigned short          __kernel_uid16_t;
-typedef unsigned short          __kernel_gid16_t;
-typedef unsigned int            __kernel_uid32_t;
-typedef unsigned int            __kernel_gid32_t;
+typedef int                     __kernel_suseconds_t;
+#define __kernel_suseconds_t __kernel_suseconds_t
 
-#ifdef __GNUC__
-typedef long long               __kernel_loff_t;
 typedef long long               __kernel_off64_t;
 typedef unsigned long long      __kernel_ino64_t;
-#endif
-
-typedef unsigned int            __kernel_old_dev_t;
-
-typedef struct {
-        int     val[2];
-} __kernel_fsid_t;
-
-/* compatibility stuff */
-typedef __kernel_uid_t __kernel_old_uid_t;
-typedef __kernel_gid_t __kernel_old_gid_t;
-
-#if defined(__KERNEL__)
-
-#undef __FD_SET
-static __inline__ void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp)
-{
-        unsigned long __tmp = __fd / __NFDBITS;
-        unsigned long __rem = __fd % __NFDBITS;
-        __fdsetp->fds_bits[__tmp] |= (1UL<<__rem);
-}
-
-#undef __FD_CLR
-static __inline__ void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp)
-{
-        unsigned long __tmp = __fd / __NFDBITS;
-        unsigned long __rem = __fd % __NFDBITS;
-        __fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem);
-}
-
-#undef __FD_ISSET
-static __inline__ int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p)
-{ 
-        unsigned long __tmp = __fd / __NFDBITS;
-        unsigned long __rem = __fd % __NFDBITS;
-        return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0;
-}
-
-/*
- * This will unroll the loop for the normal constant case (8 ints,
- * for a 256-bit fd_set)
- */
-#undef __FD_ZERO
-static __inline__ void __FD_ZERO(__kernel_fd_set *__p)
-{
-        unsigned long *__tmp = __p->fds_bits;
-        int __i;
-
-        if (__builtin_constant_p(__FDSET_LONGS)) {
-                switch (__FDSET_LONGS) {
-                case 16:
-                        __tmp[ 0] = 0; __tmp[ 1] = 0;
-                        __tmp[ 2] = 0; __tmp[ 3] = 0;
-                        __tmp[ 4] = 0; __tmp[ 5] = 0;
-                        __tmp[ 6] = 0; __tmp[ 7] = 0;
-                        __tmp[ 8] = 0; __tmp[ 9] = 0;
-                        __tmp[10] = 0; __tmp[11] = 0;
-                        __tmp[12] = 0; __tmp[13] = 0;
-                        __tmp[14] = 0; __tmp[15] = 0;
-                        return;
-
-                case 8:
-                        __tmp[ 0] = 0; __tmp[ 1] = 0;
-                        __tmp[ 2] = 0; __tmp[ 3] = 0;
-                        __tmp[ 4] = 0; __tmp[ 5] = 0;
-                        __tmp[ 6] = 0; __tmp[ 7] = 0;
-                        return;
-
-                case 4:
-                        __tmp[ 0] = 0; __tmp[ 1] = 0;
-                        __tmp[ 2] = 0; __tmp[ 3] = 0;
-                        return;
-                }
-        }
-        __i = __FDSET_LONGS;
-        while (__i) {
-                __i--;
-                *__tmp = 0;
-                __tmp++;
-        }
-}
 
-#endif /* defined(__KERNEL__) */
+#include <asm-generic/posix_types.h>
 
 #endif
diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig
index 2156e077859..1acf6502677 100644
--- a/arch/powerpc/configs/ppc64_defconfig
+++ b/arch/powerpc/configs/ppc64_defconfig
@@ -24,10 +24,6 @@ CONFIG_PPC_SPLPAR=y
 CONFIG_SCANLOG=m
 CONFIG_PPC_SMLPAR=y
 CONFIG_DTL=y
-CONFIG_PPC_ISERIES=y
-CONFIG_VIODASD=y
-CONFIG_VIOCD=m
-CONFIG_VIOTAPE=m
 CONFIG_PPC_MAPLE=y
 CONFIG_PPC_PASEMI=y
 CONFIG_PPC_PASEMI_IOMMU=y
@@ -259,7 +255,6 @@ CONFIG_PASEMI_MAC=y
 CONFIG_MLX4_EN=m
 CONFIG_QLGE=m
 CONFIG_BE2NET=m
-CONFIG_ISERIES_VETH=m
 CONFIG_PPP=m
 CONFIG_PPP_ASYNC=m
 CONFIG_PPP_SYNC_TTY=m
diff --git a/arch/powerpc/include/asm/posix_types.h b/arch/powerpc/include/asm/posix_types.h
index c4e396b540d..f1393252bbd 100644
--- a/arch/powerpc/include/asm/posix_types.h
+++ b/arch/powerpc/include/asm/posix_types.h
@@ -7,122 +7,22 @@
  * assume GCC is being used.
  */
 
-typedef unsigned long   __kernel_ino_t;
-typedef unsigned int    __kernel_mode_t;
-typedef long            __kernel_off_t;
-typedef int             __kernel_pid_t;
-typedef unsigned int    __kernel_uid_t;
-typedef unsigned int    __kernel_gid_t;
-typedef long            __kernel_ptrdiff_t;
-typedef long            __kernel_time_t;
-typedef long            __kernel_clock_t;
-typedef int             __kernel_timer_t;
-typedef int             __kernel_clockid_t;
-typedef long            __kernel_suseconds_t;
-typedef int             __kernel_daddr_t;
-typedef char *          __kernel_caddr_t;
-typedef unsigned short  __kernel_uid16_t;
-typedef unsigned short  __kernel_gid16_t;
-typedef unsigned int    __kernel_uid32_t;
-typedef unsigned int    __kernel_gid32_t;
-typedef unsigned int    __kernel_old_uid_t;
-typedef unsigned int    __kernel_old_gid_t;
-
 #ifdef __powerpc64__
-typedef unsigned long   __kernel_nlink_t;
-typedef int             __kernel_ipc_pid_t;
-typedef unsigned long   __kernel_size_t;
-typedef long            __kernel_ssize_t;
 typedef unsigned long   __kernel_old_dev_t;
+#define __kernel_old_dev_t __kernel_old_dev_t
 #else
-typedef unsigned short  __kernel_nlink_t;
-typedef short           __kernel_ipc_pid_t;
 typedef unsigned int    __kernel_size_t;
 typedef int             __kernel_ssize_t;
-typedef unsigned int    __kernel_old_dev_t;
-#endif
-
-#ifdef __powerpc64__
-typedef long long       __kernel_loff_t;
-#else
-#ifdef __GNUC__
-typedef long long       __kernel_loff_t;
-#endif
-#endif
-
-typedef struct {
-        int     val[2];
-} __kernel_fsid_t;
-
-#ifndef __GNUC__
-
-#define __FD_SET(d, set)        ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
-#define __FD_CLR(d, set)        ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
-#define __FD_ISSET(d, set)      (((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
-#define __FD_ZERO(set)  \
-  ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set)))
-
-#else /* __GNUC__ */
-
-#if defined(__KERNEL__)
-/* With GNU C, use inline functions instead so args are evaluated only once: */
-
-#undef __FD_SET
-static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
-{
-        unsigned long _tmp = fd / __NFDBITS;
-        unsigned long _rem = fd % __NFDBITS;
-        fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
-}
-
-#undef __FD_CLR
-static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
-{
-        unsigned long _tmp = fd / __NFDBITS;
-        unsigned long _rem = fd % __NFDBITS;
-        fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
-}
-
-#undef __FD_ISSET
-static __inline__ int __FD_ISSET(unsigned long fd, __kernel_fd_set *p)
-{ 
-        unsigned long _tmp = fd / __NFDBITS;
-        unsigned long _rem = fd % __NFDBITS;
-        return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
-}
-
-/*
- * This will unroll the loop for the normal constant case (8 ints,
- * for a 256-bit fd_set)
- */
-#undef __FD_ZERO
-static __inline__ void __FD_ZERO(__kernel_fd_set *p)
-{
-        unsigned long *tmp = (unsigned long *)p->fds_bits;
-        int i;
+typedef long            __kernel_ptrdiff_t;
+#define __kernel_size_t __kernel_size_t
 
-        if (__builtin_constant_p(__FDSET_LONGS)) {
-                switch (__FDSET_LONGS) {
-                      case 16:
-                        tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
-                        tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
+typedef unsigned short  __kernel_nlink_t;
+#define __kernel_nlink_t __kernel_nlink_t
 
-                      case 8:
-                        tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
+typedef short           __kernel_ipc_pid_t;
+#define __kernel_ipc_pid_t __kernel_ipc_pid_t
+#endif
 
-                      case 4:
-                        tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-                        return;
-                }
-        }
-        i = __FDSET_LONGS;
-        while (i) {
-                i--;
-                *tmp = 0;
-                tmp++;
-        }
-}
+#include <asm-generic/posix_types.h>
 
-#endif /* defined(__KERNEL__) */
-#endif /* __GNUC__ */
 #endif /* _ASM_POWERPC_POSIX_TYPES_H */
diff --git a/arch/powerpc/include/asm/ppc-pci.h b/arch/powerpc/include/asm/ppc-pci.h
index 43268f15004..6d422979eba 100644
--- a/arch/powerpc/include/asm/ppc-pci.h
+++ b/arch/powerpc/include/asm/ppc-pci.h
@@ -142,6 +142,11 @@ static inline const char *eeh_pci_name(struct pci_dev *pdev)
         return pdev ? pci_name(pdev) : "<null>";
 } 
 
+static inline const char *eeh_driver_name(struct pci_dev *pdev)
+{
+        return (pdev && pdev->driver) ? pdev->driver->name : "<null>";
+}
+
 #endif /* CONFIG_EEH */
 
 #else /* CONFIG_PCI */
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index 78a205162fd..84cc7840cd1 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -83,8 +83,18 @@ struct pt_regs {
 
 #ifndef __ASSEMBLY__
 
-#define instruction_pointer(regs) ((regs)->nip)
-#define user_stack_pointer(regs) ((regs)->gpr[1])
+#define GET_IP(regs)            ((regs)->nip)
+#define GET_USP(regs)           ((regs)->gpr[1])
+#define GET_FP(regs)            (0)
+#define SET_FP(regs, val)
+
+#ifdef CONFIG_SMP
+extern unsigned long profile_pc(struct pt_regs *regs);
+#define profile_pc profile_pc
+#endif
+
+#include <asm-generic/ptrace.h>
+
 #define kernel_stack_pointer(regs) ((regs)->gpr[1])
 static inline int is_syscall_success(struct pt_regs *regs)
 {
@@ -99,12 +109,6 @@ static inline long regs_return_value(struct pt_regs *regs)
                 return -regs->gpr[3];
 }
 
-#ifdef CONFIG_SMP
-extern unsigned long profile_pc(struct pt_regs *regs);
-#else
-#define profile_pc(regs) instruction_pointer(regs)
-#endif
-
 #ifdef __powerpc64__
 #define user_mode(regs) ((((regs)->msr) >> MSR_PR_LG) & 0x1)
 #else
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index 4f80cf1ce77..3e57a00b8cb 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -1213,7 +1213,7 @@ do_user_signal:			/* r10 contains MSR_KERNEL here */
         stw     r3,_TRAP(r1)
 2:      addi    r3,r1,STACK_FRAME_OVERHEAD
         mr      r4,r9
-        bl      do_signal
+        bl      do_notify_resume
         REST_NVGPRS(r1)
         b       recheck
 
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index d834425186a..866462cbe2d 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -751,12 +751,16 @@ user_work:
 
         andi.   r0,r4,_TIF_NEED_RESCHED
         beq     1f
+        li      r5,1
+        TRACE_AND_RESTORE_IRQ(r5);
         bl      .schedule
         b       .ret_from_except_lite
 
 1:      bl      .save_nvgprs
+        li      r5,1
+        TRACE_AND_RESTORE_IRQ(r5);
         addi    r3,r1,STACK_FRAME_OVERHEAD
-        bl      .do_signal
+        bl      .do_notify_resume
         b       .ret_from_except
 
 unrecov_restore:
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index d4be7bb3dbd..15c5a4f6de0 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -774,8 +774,8 @@ alignment_common:
 program_check_common:
         EXCEPTION_PROLOG_COMMON(0x700, PACA_EXGEN)
         bl      .save_nvgprs
+        DISABLE_INTS
         addi    r3,r1,STACK_FRAME_OVERHEAD
-        ENABLE_INTS
         bl      .program_check_exception
         b       .ret_from_except
 
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 701d4aceb4f..01e2877e8e0 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -118,10 +118,14 @@ static inline notrace void set_soft_enabled(unsigned long enable)
 static inline notrace void decrementer_check_overflow(void)
 {
         u64 now = get_tb_or_rtc();
-        u64 *next_tb = &__get_cpu_var(decrementers_next_tb);
+        u64 *next_tb;
+
+        preempt_disable();
+        next_tb = &__get_cpu_var(decrementers_next_tb);
 
         if (now >= *next_tb)
                 set_dec(1);
+        preempt_enable();
 }
 
 notrace void arch_local_irq_restore(unsigned long en)
diff --git a/arch/powerpc/kernel/perf_event.c b/arch/powerpc/kernel/perf_event.c
index d614ab57ccc..f04c2301725 100644
--- a/arch/powerpc/kernel/perf_event.c
+++ b/arch/powerpc/kernel/perf_event.c
@@ -865,6 +865,7 @@ static void power_pmu_start(struct perf_event *event, int ef_flags)
 {
         unsigned long flags;
         s64 left;
+        unsigned long val;
 
         if (!event->hw.idx || !event->hw.sample_period)
                 return;
@@ -880,7 +881,12 @@ static void power_pmu_start(struct perf_event *event, int ef_flags)
 
         event->hw.state = 0;
         left = local64_read(&event->hw.period_left);
-        write_pmc(event->hw.idx, left);
+
+        val = 0;
+        if (left < 0x80000000L)
+                val = 0x80000000L - left;
+
+        write_pmc(event->hw.idx, val);
 
         perf_event_update_userpage(event);
         perf_pmu_enable(event->pmu);
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index ebe5766781a..d817ab01848 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -566,12 +566,12 @@ static void show_instructions(struct pt_regs *regs)
                  */
                 if (!__kernel_text_address(pc) ||
                      __get_user(instr, (unsigned int __user *)pc)) {
-                        printk("XXXXXXXX ");
+                        printk(KERN_CONT "XXXXXXXX ");
                 } else {
                         if (regs->nip == pc)
-                                printk("<%08x> ", instr);
+                                printk(KERN_CONT "<%08x> ", instr);
                         else
-                                printk("%08x ", instr);
+                                printk(KERN_CONT "%08x ", instr);
                 }
 
                 pc += sizeof(int);
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 517b1d8f455..9f843cdfee9 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -716,7 +716,6 @@ static int __rtas_suspend_last_cpu(struct rtas_suspend_me_data *data, int wake_w
         int cpu;
 
         slb_set_size(SLB_MIN_SIZE);
-        stop_topology_update();
         printk(KERN_DEBUG "calling ibm,suspend-me on cpu %i\n", smp_processor_id());
 
         while (rc == H_MULTI_THREADS_ACTIVE && !atomic_read(&data->done) &&
@@ -732,7 +731,6 @@ static int __rtas_suspend_last_cpu(struct rtas_suspend_me_data *data, int wake_w
                 rc = atomic_read(&data->error);
 
         atomic_set(&data->error, rc);
-        start_topology_update();
         pSeries_coalesce_init();
 
         if (wake_when_done) {
@@ -846,6 +844,7 @@ int rtas_ibm_suspend_me(struct rtas_args *args)
         atomic_set(&data.error, 0);
         data.token = rtas_token("ibm,suspend-me");
         data.complete = &done;
+        stop_topology_update();
 
         /* Call function on all CPUs.  One of us will make the
          * rtas call
@@ -858,6 +857,8 @@ int rtas_ibm_suspend_me(struct rtas_args *args)
         if (atomic_read(&data.error) != 0)
                 printk(KERN_ERR "Error doing global join\n");
 
+        start_topology_update();
+
         return atomic_read(&data.error);
 }
 #else /* CONFIG_PPC_PSERIES */
diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c
index 2300426e531..ac6e437b102 100644
--- a/arch/powerpc/kernel/signal.c
+++ b/arch/powerpc/kernel/signal.c
@@ -11,6 +11,7 @@
 
 #include <linux/tracehook.h>
 #include <linux/signal.h>
+#include <linux/key.h>
 #include <asm/hw_breakpoint.h>
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
@@ -113,8 +114,9 @@ static void check_syscall_restart(struct pt_regs *regs, struct k_sigaction *ka,
         }
 }
 
-static int do_signal_pending(sigset_t *oldset, struct pt_regs *regs)
+static int do_signal(struct pt_regs *regs)
 {
+        sigset_t *oldset;
         siginfo_t info;
         int signr;
         struct k_sigaction ka;
@@ -123,7 +125,7 @@ static int do_signal_pending(sigset_t *oldset, struct pt_regs *regs)
 
         if (current_thread_info()->local_flags & _TLF_RESTORE_SIGMASK)
                 oldset = &current->saved_sigmask;
-        else if (!oldset)
+        else
                 oldset = &current->blocked;
 
         signr = get_signal_to_deliver(&info, &ka, regs, NULL);
@@ -191,14 +193,16 @@ static int do_signal_pending(sigset_t *oldset, struct pt_regs *regs)
         return ret;
 }
 
-void do_signal(struct pt_regs *regs, unsigned long thread_info_flags)
+void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags)
 {
         if (thread_info_flags & _TIF_SIGPENDING)
-                do_signal_pending(NULL, regs);
+                do_signal(regs);
 
         if (thread_info_flags & _TIF_NOTIFY_RESUME) {
                 clear_thread_flag(TIF_NOTIFY_RESUME);
                 tracehook_notify_resume(regs);
+                if (current->replacement_session_keyring)
+                        key_replace_session_keyring();
         }
 }
 
diff --git a/arch/powerpc/kernel/signal.h b/arch/powerpc/kernel/signal.h
index 6c0ddfc0603..8dde973aaaf 100644
--- a/arch/powerpc/kernel/signal.h
+++ b/arch/powerpc/kernel/signal.h
@@ -12,7 +12,7 @@
 
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
-extern void do_signal(struct pt_regs *regs, unsigned long thread_info_flags);
+extern void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags);
 
 extern void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
                                   size_t frame_size, int is_32);
diff --git a/arch/powerpc/platforms/cell/spufs/coredump.c b/arch/powerpc/platforms/cell/spufs/coredump.c
index 03c5fce2a5b..c2c5b078ba8 100644
--- a/arch/powerpc/platforms/cell/spufs/coredump.c
+++ b/arch/powerpc/platforms/cell/spufs/coredump.c
@@ -122,7 +122,7 @@ static struct spu_context *coredump_next_context(int *fd)
         struct spu_context *ctx = NULL;
 
         for (; *fd < fdt->max_fds; (*fd)++) {
-                if (!FD_ISSET(*fd, fdt->open_fds))
+                if (!fd_is_open(*fd, fdt))
                         continue;
 
                 file = fcheck(*fd);
diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c
index a70bc1e385e..f92b9ef7340 100644
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc/platforms/powernv/pci.c
@@ -52,32 +52,38 @@ static int pnv_msi_check_device(struct pci_dev* pdev, int nvec, int type)
 
 static unsigned int pnv_get_one_msi(struct pnv_phb *phb)
 {
-        unsigned int id;
+        unsigned long flags;
+        unsigned int id, rc;
+
+        spin_lock_irqsave(&phb->lock, flags);
 
-        spin_lock(&phb->lock);
         id = find_next_zero_bit(phb->msi_map, phb->msi_count, phb->msi_next);
         if (id >= phb->msi_count && phb->msi_next)
                 id = find_next_zero_bit(phb->msi_map, phb->msi_count, 0);
         if (id >= phb->msi_count) {
-                spin_unlock(&phb->lock);
-                return 0;
+                rc = 0;
+                goto out;
         }
         __set_bit(id, phb->msi_map);
-        spin_unlock(&phb->lock);
-        return id + phb->msi_base;
+        rc = id + phb->msi_base;
+out:
+        spin_unlock_irqrestore(&phb->lock, flags);
+        return rc;
 }
 
 static void pnv_put_msi(struct pnv_phb *phb, unsigned int hwirq)
 {
+        unsigned long flags;
         unsigned int id;
 
         if (WARN_ON(hwirq < phb->msi_base ||
                     hwirq >= (phb->msi_base + phb->msi_count)))
                 return;
         id = hwirq - phb->msi_base;
-        spin_lock(&phb->lock);
+
+        spin_lock_irqsave(&phb->lock, flags);
         __clear_bit(id, phb->msi_map);
-        spin_unlock(&phb->lock);
+        spin_unlock_irqrestore(&phb->lock, flags);
 }
 
 static int pnv_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c
index 565869022e3..c0b40af4ce4 100644
--- a/arch/powerpc/platforms/pseries/eeh.c
+++ b/arch/powerpc/platforms/pseries/eeh.c
@@ -551,9 +551,9 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev)
                         printk (KERN_ERR "EEH: %d reads ignored for recovering device at "
                                 "location=%s driver=%s pci addr=%s\n",
                                 pdn->eeh_check_count, location,
-                                dev->driver->name, eeh_pci_name(dev));
+                                eeh_driver_name(dev), eeh_pci_name(dev));
                         printk (KERN_ERR "EEH: Might be infinite loop in %s driver\n",
-                                dev->driver->name);
+                                eeh_driver_name(dev));
                         dump_stack();
                 }
                 goto dn_unlock;
diff --git a/arch/powerpc/platforms/pseries/suspend.c b/arch/powerpc/platforms/pseries/suspend.c
index b84a8b2238d..47226e04126 100644
--- a/arch/powerpc/platforms/pseries/suspend.c
+++ b/arch/powerpc/platforms/pseries/suspend.c
@@ -24,6 +24,7 @@
 #include <asm/machdep.h>
 #include <asm/mmu.h>
 #include <asm/rtas.h>
+#include <asm/topology.h>
 
 static u64 stream_id;
 static struct device suspend_dev;
@@ -138,8 +139,11 @@ static ssize_t store_hibernate(struct device *dev,
                         ssleep(1);
         } while (rc == -EAGAIN);
 
-        if (!rc)
+        if (!rc) {
+                stop_topology_update();
                 rc = pm_suspend(PM_SUSPEND_MEM);
+                start_topology_update();
+        }
 
         stream_id = 0;
 
diff --git a/arch/powerpc/platforms/wsp/ics.c b/arch/powerpc/platforms/wsp/ics.c
index 57687439254..97fe82ee863 100644
--- a/arch/powerpc/platforms/wsp/ics.c
+++ b/arch/powerpc/platforms/wsp/ics.c
@@ -346,7 +346,7 @@ static int wsp_chip_set_affinity(struct irq_data *d,
          * For the moment only implement delivery to all cpus or one cpu.
          * Get current irq_server for the given irq
          */
-        ret = cache_hwirq_map(ics, d->irq, cpumask);
+        ret = cache_hwirq_map(ics, hw_irq, cpumask);
         if (ret == -1) {
                 char cpulist[128];
                 cpumask_scnprintf(cpulist, sizeof(cpulist), cpumask);
diff --git a/arch/powerpc/platforms/wsp/smp.c b/arch/powerpc/platforms/wsp/smp.c
index 71bd105f386..0ba103ae83a 100644
--- a/arch/powerpc/platforms/wsp/smp.c
+++ b/arch/powerpc/platforms/wsp/smp.c
@@ -71,7 +71,7 @@ int __devinit smp_a2_kick_cpu(int nr)
 
 static int __init smp_a2_probe(void)
 {
-        return cpus_weight(cpu_possible_map);
+        return num_possible_cpus();
 }
 
 static struct smp_ops_t a2_smp_ops = {
diff --git a/arch/powerpc/platforms/wsp/wsp_pci.c b/arch/powerpc/platforms/wsp/wsp_pci.c
index e0262cd0e2d..d24b3acf858 100644
--- a/arch/powerpc/platforms/wsp/wsp_pci.c
+++ b/arch/powerpc/platforms/wsp/wsp_pci.c
@@ -468,15 +468,15 @@ static void __init wsp_pcie_configure_hw(struct pci_controller *hose)
 #define DUMP_REG(x) \
         pr_debug("%-30s : 0x%016llx\n", #x, in_be64(hose->cfg_data + x))
 
-#ifdef CONFIG_WSP_DD1_WORKAROUND_BAD_PCIE_CLASS
-        /* WSP DD1 has a bogus class code by default in the PCI-E
-         * root complex's built-in P2P bridge */
+        /*
+         * Some WSP variants  has a bogus class code by default in the PCI-E
+         * root complex's built-in P2P bridge
+         */
         val = in_be64(hose->cfg_data + PCIE_REG_SYS_CFG1);
         pr_debug("PCI-E SYS_CFG1 : 0x%llx\n", val);
         out_be64(hose->cfg_data + PCIE_REG_SYS_CFG1,
                  (val & ~PCIE_REG_SYS_CFG1_CLASS_CODE) | (PCI_CLASS_BRIDGE_PCI << 8));
         pr_debug("PCI-E SYS_CFG1 : 0x%llx\n", in_be64(hose->cfg_data + PCIE_REG_SYS_CFG1));
-#endif /* CONFIG_WSP_DD1_WORKAROUND_BAD_PCIE_CLASS */
 
 #ifdef CONFIG_WSP_DD1_WORKAROUND_DD1_TCE_BUGS
         /* XXX Disable TCE caching, it doesn't work on DD1 */
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index 30eb17ecad4..6073288fed2 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -385,26 +385,36 @@ static void __init setup_pci_cmd(struct pci_controller *hose)
 void fsl_pcibios_fixup_bus(struct pci_bus *bus)
 {
         struct pci_controller *hose = pci_bus_to_host(bus);
-        int i;
-
-        if ((bus->parent == hose->bus) &&
-            ((fsl_pcie_bus_fixup &&
-              early_find_capability(hose, 0, 0, PCI_CAP_ID_EXP)) ||
-             (hose->indirect_type & PPC_INDIRECT_TYPE_NO_PCIE_LINK)))
-        {
-                for (i = 0; i < 4; ++i) {
+        int i, is_pcie = 0, no_link;
+
+        /* The root complex bridge comes up with bogus resources,
+         * we copy the PHB ones in.
+         *
+         * With the current generic PCI code, the PHB bus no longer
+         * has bus->resource[0..4] set, so things are a bit more
+         * tricky.
+         */
+
+        if (fsl_pcie_bus_fixup)
+                is_pcie = early_find_capability(hose, 0, 0, PCI_CAP_ID_EXP);
+        no_link = !!(hose->indirect_type & PPC_INDIRECT_TYPE_NO_PCIE_LINK);
+
+        if (bus->parent == hose->bus && (is_pcie || no_link)) {
+                for (i = 0; i < PCI_BRIDGE_RESOURCE_NUM; ++i) {
                         struct resource *res = bus->resource[i];
-                        struct resource *par = bus->parent->resource[i];
-                        if (res) {
-                                res->start = 0;
-                                res->end   = 0;
-                                res->flags = 0;
-                        }
-                        if (res && par) {
-                                res->start = par->start;
-                                res->end   = par->end;
-                                res->flags = par->flags;
-                        }
+                        struct resource *par;
+
+                        if (!res)
+                                continue;
+                        if (i == 0)
+                                par = &hose->io_resource;
+                        else if (i < 4)
+                                par = &hose->mem_resources[i-1];
+                        else par = NULL;
+
+                        res->start = par ? par->start : 0;
+                        res->end   = par ? par->end   : 0;
+                        res->flags = par ? par->flags : 0;
                 }
         }
 }
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index d1727584230..6d99a5fcc09 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -227,6 +227,9 @@ config COMPAT
 config SYSVIPC_COMPAT
         def_bool y if COMPAT && SYSVIPC
 
+config KEYS_COMPAT
+        def_bool y if COMPAT && KEYS
+
 config AUDIT_ARCH
         def_bool y
 
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index 2e49748b27d..234f1d859ce 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -172,13 +172,6 @@ static inline int is_compat_task(void)
         return is_32bit_task();
 }
 
-#else
-
-static inline int is_compat_task(void)
-{
-        return 0;
-}
-
 #endif
 
 static inline void __user *arch_compat_alloc_user_space(long len)
diff --git a/arch/s390/include/asm/posix_types.h b/arch/s390/include/asm/posix_types.h
index 8cc113f9252..edf8527ff08 100644
--- a/arch/s390/include/asm/posix_types.h
+++ b/arch/s390/include/asm/posix_types.h
@@ -3,7 +3,6 @@
  *
  *  S390 version
  *
- *  Derived from "include/asm-i386/posix_types.h"
  */
 
 #ifndef __ARCH_S390_POSIX_TYPES_H
@@ -15,22 +14,11 @@
  * assume GCC is being used.
  */
 
-typedef long            __kernel_off_t;
-typedef int             __kernel_pid_t;
 typedef unsigned long   __kernel_size_t;
-typedef long            __kernel_time_t;
-typedef long            __kernel_suseconds_t;
-typedef long            __kernel_clock_t;
-typedef int             __kernel_timer_t;
-typedef int             __kernel_clockid_t;
-typedef int             __kernel_daddr_t;
-typedef char *          __kernel_caddr_t;
-typedef unsigned short  __kernel_uid16_t;
-typedef unsigned short  __kernel_gid16_t;
+#define __kernel_size_t __kernel_size_t
 
-#ifdef __GNUC__
-typedef long long       __kernel_loff_t;
-#endif
+typedef unsigned short  __kernel_old_dev_t;
+#define __kernel_old_dev_t __kernel_old_dev_t
 
 #ifndef __s390x__
 
@@ -42,11 +30,6 @@ typedef unsigned short  __kernel_uid_t;
 typedef unsigned short  __kernel_gid_t;
 typedef int             __kernel_ssize_t;
 typedef int             __kernel_ptrdiff_t;
-typedef unsigned int    __kernel_uid32_t;
-typedef unsigned int    __kernel_gid32_t;
-typedef unsigned short  __kernel_old_uid_t;
-typedef unsigned short  __kernel_old_gid_t;
-typedef unsigned short  __kernel_old_dev_t;
 
 #else /* __s390x__ */
 
@@ -59,49 +42,16 @@ typedef unsigned int    __kernel_gid_t;
 typedef long            __kernel_ssize_t;
 typedef long            __kernel_ptrdiff_t;
 typedef unsigned long   __kernel_sigset_t;      /* at least 32 bits */
-typedef __kernel_uid_t __kernel_old_uid_t;
-typedef __kernel_gid_t __kernel_old_gid_t;
-typedef __kernel_uid_t __kernel_uid32_t;
-typedef __kernel_gid_t __kernel_gid32_t;
-typedef unsigned short __kernel_old_dev_t;
 
 #endif /* __s390x__ */
 
-typedef struct {
-        int     val[2];
-} __kernel_fsid_t;
-
-
-#ifdef __KERNEL__
-
-#undef __FD_SET
-static inline void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
-{
-        unsigned long _tmp = fd / __NFDBITS;
-        unsigned long _rem = fd % __NFDBITS;
-        fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
-}
-
-#undef __FD_CLR
-static inline void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
-{
-        unsigned long _tmp = fd / __NFDBITS;
-        unsigned long _rem = fd % __NFDBITS;
-        fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
-}
-
-#undef __FD_ISSET
-static inline int __FD_ISSET(unsigned long fd, const __kernel_fd_set *fdsetp)
-{
-        unsigned long _tmp = fd / __NFDBITS;
-        unsigned long _rem = fd % __NFDBITS;
-        return (fdsetp->fds_bits[_tmp] & (1UL<<_rem)) != 0;
-}
-
-#undef  __FD_ZERO
-#define __FD_ZERO(fdsetp) \
-        ((void) memset ((void *) (fdsetp), 0, sizeof (__kernel_fd_set)))
+#define __kernel_ino_t  __kernel_ino_t
+#define __kernel_mode_t __kernel_mode_t
+#define __kernel_nlink_t __kernel_nlink_t
+#define __kernel_ipc_pid_t __kernel_ipc_pid_t
+#define __kernel_uid_t __kernel_uid_t
+#define __kernel_gid_t __kernel_gid_t
 
-#endif     /* __KERNEL__ */
+#include <asm-generic/posix_types.h>
 
 #endif
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 18c51df9fe0..ff605a39cf4 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -662,7 +662,7 @@ ENTRY(sys32_getresuid16_wrapper)
 ENTRY(sys32_poll_wrapper)
         llgtr   %r2,%r2                 # struct pollfd *
         llgfr   %r3,%r3                 # unsigned int
-        lgfr    %r4,%r4                 # long
+        lgfr    %r4,%r4                 # int
         jg      sys_poll                # branch to system call
 
 ENTRY(sys32_setresgid16_wrapper)
diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c
index 39f8fd4438f..c383ce440d9 100644
--- a/arch/s390/kernel/crash_dump.c
+++ b/arch/s390/kernel/crash_dump.c
@@ -11,7 +11,6 @@
 #include <linux/module.h>
 #include <linux/gfp.h>
 #include <linux/slab.h>
-#include <linux/crash_dump.h>
 #include <linux/bootmem.h>
 #include <linux/elf.h>
 #include <asm/ipl.h>
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 3201ae44799..e795933eb2c 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -29,7 +29,6 @@
 #include <asm/irq.h>
 #include <asm/timer.h>
 #include <asm/nmi.h>
-#include <asm/compat.h>
 #include <asm/smp.h>
 #include "entry.h"
 
@@ -76,7 +75,6 @@ static void default_idle(void)
         if (test_thread_flag(TIF_MCCK_PENDING)) {
                 local_mcck_enable();
                 local_irq_enable();
-                s390_handle_mcck();
                 return;
         }
         trace_hardirqs_on();
@@ -93,10 +91,12 @@ void cpu_idle(void)
         for (;;) {
                 tick_nohz_idle_enter();
                 rcu_idle_enter();
-                while (!need_resched())
+                while (!need_resched() && !test_thread_flag(TIF_MCCK_PENDING))
                         default_idle();
                 rcu_idle_exit();
                 tick_nohz_idle_exit();
+                if (test_thread_flag(TIF_MCCK_PENDING))
+                        s390_handle_mcck();
                 preempt_enable_no_resched();
                 schedule();
                 preempt_disable();
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 9d82ed4bcb2..61f95489d70 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -20,8 +20,8 @@
 #include <linux/regset.h>
 #include <linux/tracehook.h>
 #include <linux/seccomp.h>
+#include <linux/compat.h>
 #include <trace/syscall.h>
-#include <asm/compat.h>
 #include <asm/segment.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 354de0763ef..3b2efc81f34 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -46,6 +46,7 @@
 #include <linux/kexec.h>
 #include <linux/crash_dump.h>
 #include <linux/memory.h>
+#include <linux/compat.h>
 
 #include <asm/ipl.h>
 #include <asm/uaccess.h>
@@ -59,7 +60,6 @@
 #include <asm/ptrace.h>
 #include <asm/sections.h>
 #include <asm/ebcdic.h>
-#include <asm/compat.h>
 #include <asm/kvm_virtio.h>
 #include <asm/diag.h>
 
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index a8ba840294f..2d421d90fad 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -30,7 +30,6 @@
 #include <asm/ucontext.h>
 #include <asm/uaccess.h>
 #include <asm/lowcore.h>
-#include <asm/compat.h>
 #include "entry.h"
 
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index fa02f443f5f..14da278febb 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -113,11 +113,14 @@ static void fixup_clock_comparator(unsigned long long delta)
 static int s390_next_ktime(ktime_t expires,
                            struct clock_event_device *evt)
 {
+        struct timespec ts;
         u64 nsecs;
 
-        nsecs = ktime_to_ns(ktime_sub(expires, ktime_get_monotonic_offset()));
+        ts.tv_sec = ts.tv_nsec = 0;
+        monotonic_to_bootbased(&ts);
+        nsecs = ktime_to_ns(ktime_add(timespec_to_ktime(ts), expires));
         do_div(nsecs, 125);
-        S390_lowcore.clock_comparator = TOD_UNIX_EPOCH + (nsecs << 9);
+        S390_lowcore.clock_comparator = sched_clock_base_cc + (nsecs << 9);
         set_clock_comparator(S390_lowcore.clock_comparator);
         return 0;
 }
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 354dd39073e..e8fcd928dc7 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -36,7 +36,6 @@
 #include <asm/pgtable.h>
 #include <asm/irq.h>
 #include <asm/mmu_context.h>
-#include <asm/compat.h>
 #include "../kernel/entry.h"
 
 #ifndef CONFIG_64BIT
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 5d633019d8f..50236610de8 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -223,16 +223,38 @@ void free_initrd_mem(unsigned long start, unsigned long end)
 #ifdef CONFIG_MEMORY_HOTPLUG
 int arch_add_memory(int nid, u64 start, u64 size)
 {
-        struct pglist_data *pgdat;
+        unsigned long zone_start_pfn, zone_end_pfn, nr_pages;
+        unsigned long start_pfn = PFN_DOWN(start);
+        unsigned long size_pages = PFN_DOWN(size);
         struct zone *zone;
         int rc;
 
-        pgdat = NODE_DATA(nid);
-        zone = pgdat->node_zones + ZONE_MOVABLE;
         rc = vmem_add_mapping(start, size);
         if (rc)
                 return rc;
-        rc = __add_pages(nid, zone, PFN_DOWN(start), PFN_DOWN(size));
+        for_each_zone(zone) {
+                if (zone_idx(zone) != ZONE_MOVABLE) {
+                        /* Add range within existing zone limits */
+                        zone_start_pfn = zone->zone_start_pfn;
+                        zone_end_pfn = zone->zone_start_pfn +
+                                       zone->spanned_pages;
+                } else {
+                        /* Add remaining range to ZONE_MOVABLE */
+                        zone_start_pfn = start_pfn;
+                        zone_end_pfn = start_pfn + size_pages;
+                }
+                if (start_pfn < zone_start_pfn || start_pfn >= zone_end_pfn)
+                        continue;
+                nr_pages = (start_pfn + size_pages > zone_end_pfn) ?
+                           zone_end_pfn - start_pfn : size_pages;
+                rc = __add_pages(nid, zone, start_pfn, nr_pages);
+                if (rc)
+                        break;
+                start_pfn += nr_pages;
+                size_pages -= nr_pages;
+                if (!size_pages)
+                        break;
+        }
         if (rc)
                 vmem_remove_mapping(start, size);
         return rc;
diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c
index f09c74881b7..a0155c02e32 100644
--- a/arch/s390/mm/mmap.c
+++ b/arch/s390/mm/mmap.c
@@ -29,8 +29,8 @@
 #include <linux/mman.h>
 #include <linux/module.h>
 #include <linux/random.h>
+#include <linux/compat.h>
 #include <asm/pgalloc.h>
-#include <asm/compat.h>
 
 static unsigned long stack_maxrandom_size(void)
 {
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index 9a4d02f64f1..51b0738e13d 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -574,7 +574,7 @@ static inline void page_table_free_pgste(unsigned long *table)
         page = pfn_to_page(__pa(table) >> PAGE_SHIFT);
         mp = (struct gmap_pgtable *) page->index;
         BUG_ON(!list_empty(&mp->mapper));
-        pgtable_page_ctor(page);
+        pgtable_page_dtor(page);
         atomic_set(&page->_mapcount, -1);
         kfree(mp);
         __free_page(page);
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 3c8db65c89e..713fb58ca50 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -859,6 +859,7 @@ config PCI
         depends on SYS_SUPPORTS_PCI
         select PCI_DOMAINS
         select GENERIC_PCI_IOMAP
+        select NO_GENERIC_PCI_IOPORT_MAP
         help
           Find out whether you have a PCI motherboard. PCI is the name of a
           bus system, i.e. the way the CPU talks to the other stuff inside
diff --git a/arch/sh/boards/board-sh7757lcr.c b/arch/sh/boards/board-sh7757lcr.c
index 0838154dd21..24b1ee410da 100644
--- a/arch/sh/boards/board-sh7757lcr.c
+++ b/arch/sh/boards/board-sh7757lcr.c
@@ -169,6 +169,11 @@ static struct resource sh_eth_giga1_resources[] = {
                 .end    = 0xfee00fff,
                 .flags  = IORESOURCE_MEM,
         }, {
+                /* TSU */
+                .start  = 0xfee01800,
+                .end    = 0xfee01fff,
+                .flags  = IORESOURCE_MEM,
+        }, {
                 .start  = 316,
                 .end    = 316,
                 .flags  = IORESOURCE_IRQ,
@@ -210,20 +215,13 @@ static struct resource sh_mmcif_resources[] = {
         },
 };
 
-static struct sh_mmcif_dma sh7757lcr_mmcif_dma = {
-        .chan_priv_tx   = {
-                .slave_id = SHDMA_SLAVE_MMCIF_TX,
-        },
-        .chan_priv_rx   = {
-                .slave_id = SHDMA_SLAVE_MMCIF_RX,
-        }
-};
-
 static struct sh_mmcif_plat_data sh_mmcif_plat = {
-        .dma            = &sh7757lcr_mmcif_dma,
         .sup_pclk       = 0x0f,
-        .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
+        .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA |
+                          MMC_CAP_NONREMOVABLE,
         .ocr            = MMC_VDD_32_33 | MMC_VDD_33_34,
+        .slave_id_tx    = SHDMA_SLAVE_MMCIF_TX,
+        .slave_id_rx    = SHDMA_SLAVE_MMCIF_RX,
 };
 
 static struct platform_device sh_mmcif_device = {
diff --git a/arch/sh/boards/mach-ap325rxa/setup.c b/arch/sh/boards/mach-ap325rxa/setup.c
index 6418e95c2b6..ebd0f818a25 100644
--- a/arch/sh/boards/mach-ap325rxa/setup.c
+++ b/arch/sh/boards/mach-ap325rxa/setup.c
@@ -22,6 +22,7 @@
 #include <linux/i2c.h>
 #include <linux/smsc911x.h>
 #include <linux/gpio.h>
+#include <linux/videodev2.h>
 #include <media/ov772x.h>
 #include <media/soc_camera.h>
 #include <media/soc_camera_platform.h>
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 033ef2ba621..cde7c0085ce 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -29,9 +29,11 @@
 #include <linux/input.h>
 #include <linux/input/sh_keysc.h>
 #include <linux/sh_eth.h>
+#include <linux/videodev2.h>
 #include <video/sh_mobile_lcdc.h>
 #include <sound/sh_fsi.h>
 #include <media/sh_mobile_ceu.h>
+#include <media/soc_camera.h>
 #include <media/tw9910.h>
 #include <media/mt9t112.h>
 #include <asm/heartbeat.h>
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index 2a18b06abda..5b382e1afae 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -22,6 +22,7 @@
 #include <linux/input/sh_keysc.h>
 #include <linux/i2c.h>
 #include <linux/usb/r8a66597.h>
+#include <linux/videodev2.h>
 #include <media/rj54n1cb0c.h>
 #include <media/soc_camera.h>
 #include <media/sh_mobile_ceu.h>
diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
index 68c3d6f4289..d37ba272052 100644
--- a/arch/sh/boards/mach-migor/setup.c
+++ b/arch/sh/boards/mach-migor/setup.c
@@ -21,9 +21,11 @@
 #include <linux/delay.h>
 #include <linux/clk.h>
 #include <linux/gpio.h>
+#include <linux/videodev2.h>
 #include <video/sh_mobile_lcdc.h>
 #include <media/sh_mobile_ceu.h>
 #include <media/ov772x.h>
+#include <media/soc_camera.h>
 #include <media/tw9910.h>
 #include <asm/clock.h>
 #include <asm/machvec.h>
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index 036fe1adaef..2b07fc01695 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -24,6 +24,7 @@
 #include <linux/input/sh_keysc.h>
 #include <linux/usb/r8a66597.h>
 #include <linux/sh_eth.h>
+#include <linux/videodev2.h>
 #include <video/sh_mobile_lcdc.h>
 #include <media/sh_mobile_ceu.h>
 #include <sound/sh_fsi.h>
diff --git a/arch/sh/drivers/pci/pci-sh7780.c b/arch/sh/drivers/pci/pci-sh7780.c
index fa7b978cc72..fb8f1499074 100644
--- a/arch/sh/drivers/pci/pci-sh7780.c
+++ b/arch/sh/drivers/pci/pci-sh7780.c
@@ -74,7 +74,7 @@ struct pci_errors {
         { SH4_PCIINT_MLCK,      "master lock error" },
         { SH4_PCIINT_TABT,      "target-target abort" },
         { SH4_PCIINT_TRET,      "target retry time out" },
-        { SH4_PCIINT_MFDE,      "master function disable erorr" },
+        { SH4_PCIINT_MFDE,      "master function disable error" },
         { SH4_PCIINT_PRTY,      "address parity error" },
         { SH4_PCIINT_SERR,      "SERR" },
         { SH4_PCIINT_TWDP,      "data parity error for target write" },
diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c
index 8f18dd090a6..1e7b0e2e764 100644
--- a/arch/sh/drivers/pci/pci.c
+++ b/arch/sh/drivers/pci/pci.c
@@ -356,8 +356,8 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
 
 #ifndef CONFIG_GENERIC_IOMAP
 
-static void __iomem *ioport_map_pci(struct pci_dev *dev,
-                                    unsigned long port, unsigned int nr)
+void __iomem *__pci_ioport_map(struct pci_dev *dev,
+                               unsigned long port, unsigned int nr)
 {
         struct pci_channel *chan = dev->sysdata;
 
diff --git a/arch/sh/include/asm/device.h b/arch/sh/include/asm/device.h
index a1c9c0daec1..071bcb4d4bf 100644
--- a/arch/sh/include/asm/device.h
+++ b/arch/sh/include/asm/device.h
@@ -3,9 +3,10 @@
  *
  * This file is released under the GPLv2
  */
+#ifndef __ASM_SH_DEVICE_H
+#define __ASM_SH_DEVICE_H
 
-struct dev_archdata {
-};
+#include <asm-generic/device.h>
 
 struct platform_device;
 /* allocate contiguous memory chunk and fill in struct resource */
@@ -14,5 +15,4 @@ int platform_resource_setup_memory(struct platform_device *pdev,
 
 void plat_early_device_setup(void);
 
-struct pdev_archdata {
-};
+#endif /* __ASM_SH_DEVICE_H */
diff --git a/arch/sh/include/asm/posix_types_32.h b/arch/sh/include/asm/posix_types_32.h
index 6a9ceaaf1ae..abda58467ec 100644
--- a/arch/sh/include/asm/posix_types_32.h
+++ b/arch/sh/include/asm/posix_types_32.h
@@ -12,11 +12,6 @@ typedef unsigned short	__kernel_uid_t;
 typedef unsigned short  __kernel_gid_t;
 #define __kernel_gid_t __kernel_gid_t
 
-typedef unsigned int    __kernel_uid32_t;
-#define __kernel_uid32_t __kernel_uid32_t
-typedef unsigned int    __kernel_gid32_t;
-#define __kernel_gid32_t __kernel_gid32_t
-
 typedef unsigned short  __kernel_old_uid_t;
 #define __kernel_old_uid_t __kernel_old_uid_t
 typedef unsigned short  __kernel_old_gid_t;
diff --git a/arch/sh/include/asm/posix_types_64.h b/arch/sh/include/asm/posix_types_64.h
index 8cd11485c06..fcda07b4a61 100644
--- a/arch/sh/include/asm/posix_types_64.h
+++ b/arch/sh/include/asm/posix_types_64.h
@@ -17,10 +17,6 @@ typedef int		__kernel_ssize_t;
 #define __kernel_ssize_t __kernel_ssize_t
 typedef int             __kernel_ptrdiff_t;
 #define __kernel_ptrdiff_t __kernel_ptrdiff_t
-typedef unsigned int    __kernel_uid32_t;
-#define __kernel_uid32_t __kernel_uid32_t
-typedef unsigned int    __kernel_gid32_t;
-#define __kernel_gid32_t __kernel_gid32_t
 
 typedef unsigned short  __kernel_old_uid_t;
 #define __kernel_old_uid_t __kernel_old_uid_t
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
index b3c039a5064..70bd96646f4 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
@@ -343,7 +343,7 @@ static struct clk_lookup lookups[] = {
         CLKDEV_DEV_ID("sh_mobile_ceu.1", &mstp_clks[HWBLK_CEU1]),
         CLKDEV_CON_ID("beu1", &mstp_clks[HWBLK_BEU1]),
         CLKDEV_CON_ID("2ddmac0", &mstp_clks[HWBLK_2DDMAC]),
-        CLKDEV_CON_ID("spu0", &mstp_clks[HWBLK_SPU]),
+        CLKDEV_DEV_ID("sh_fsi.0", &mstp_clks[HWBLK_SPU]),
         CLKDEV_CON_ID("jpu0", &mstp_clks[HWBLK_JPU]),
         CLKDEV_DEV_ID("sh-vou.0", &mstp_clks[HWBLK_VOU]),
         CLKDEV_CON_ID("beu0", &mstp_clks[HWBLK_BEU0]),
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
index a7b2da6b3a1..2875e8be4f7 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
@@ -133,7 +133,7 @@ static struct resource spi0_resources[] = {
         [0] = {
                 .start  = 0xfe002000,
                 .end    = 0xfe0020ff,
-                .flags  = IORESOURCE_MEM,
+                .flags  = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
         },
         [1] = {
                 .start  = 86,
@@ -661,6 +661,25 @@ static struct platform_device spi0_device = {
         .resource       = spi0_resources,
 };
 
+static struct resource spi1_resources[] = {
+        {
+                .start  = 0xffd8ee70,
+                .end    = 0xffd8eeff,
+                .flags  = IORESOURCE_MEM | IORESOURCE_MEM_8BIT,
+        },
+        {
+                .start  = 54,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device spi1_device = {
+        .name   = "sh_spi",
+        .id     = 1,
+        .num_resources  = ARRAY_SIZE(spi1_resources),
+        .resource       = spi1_resources,
+};
+
 static struct resource usb_ehci_resources[] = {
         [0] = {
                 .start  = 0xfe4f1000,
@@ -720,6 +739,7 @@ static struct platform_device *sh7757_devices[] __initdata = {
         &dma2_device,
         &dma3_device,
         &spi0_device,
+        &spi1_device,
         &usb_ehci_device,
         &usb_ohci_device,
 };
diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index 3147a9a6fb8..f624174bf23 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -63,7 +63,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
         mp_ops->prepare_cpus(max_cpus);
 
 #ifndef CONFIG_HOTPLUG_CPU
-        init_cpu_present(&cpu_possible_map);
+        init_cpu_present(cpu_possible_mask);
 #endif
 }
 
diff --git a/arch/sh/kernel/topology.c b/arch/sh/kernel/topology.c
index 4649a6ff0cf..772caffba22 100644
--- a/arch/sh/kernel/topology.c
+++ b/arch/sh/kernel/topology.c
@@ -27,7 +27,7 @@ static cpumask_t cpu_coregroup_map(unsigned int cpu)
          * Presently all SH-X3 SMP cores are multi-cores, so just keep it
          * simple until we have a method for determining topology..
          */
-        return cpu_possible_map;
+        return *cpu_possible_mask;
 }
 
 const struct cpumask *cpu_coregroup_mask(unsigned int cpu)
diff --git a/arch/sh/mm/cache-sh2a.c b/arch/sh/mm/cache-sh2a.c
index ae08cbbfa56..949e2d3138a 100644
--- a/arch/sh/mm/cache-sh2a.c
+++ b/arch/sh/mm/cache-sh2a.c
@@ -23,6 +23,7 @@
 #define MAX_OCACHE_PAGES        32
 #define MAX_ICACHE_PAGES        32
 
+#ifdef CONFIG_CACHE_WRITEBACK
 static void sh2a_flush_oc_line(unsigned long v, int way)
 {
         unsigned long addr = (v & 0x000007f0) | (way << 11);
@@ -34,6 +35,7 @@ static void sh2a_flush_oc_line(unsigned long v, int way)
                 __raw_writel(data, CACHE_OC_ADDRESS_ARRAY | addr);
         }
 }
+#endif
 
 static void sh2a_invalidate_line(unsigned long cache_addr, unsigned long v)
 {
diff --git a/arch/sparc/include/asm/posix_types.h b/arch/sparc/include/asm/posix_types.h
index dbfc1a34b3a..3070f25ae90 100644
--- a/arch/sparc/include/asm/posix_types.h
+++ b/arch/sparc/include/asm/posix_types.h
@@ -9,35 +9,16 @@
 
 #if defined(__sparc__) && defined(__arch64__)
 /* sparc 64 bit */
-typedef unsigned long          __kernel_size_t;
-typedef long                   __kernel_ssize_t;
-typedef long                   __kernel_ptrdiff_t;
-typedef long                   __kernel_time_t;
-typedef long                   __kernel_clock_t;
-typedef int                    __kernel_pid_t;
-typedef int                    __kernel_ipc_pid_t;
-typedef unsigned int           __kernel_uid_t;
-typedef unsigned int           __kernel_gid_t;
-typedef unsigned long          __kernel_ino_t;
-typedef unsigned int           __kernel_mode_t;
 typedef unsigned int           __kernel_nlink_t;
-typedef int                    __kernel_daddr_t;
-typedef long                   __kernel_off_t;
-typedef char *                 __kernel_caddr_t;
-typedef unsigned short         __kernel_uid16_t;
-typedef unsigned short         __kernel_gid16_t;
-typedef int                    __kernel_clockid_t;
-typedef int                    __kernel_timer_t;
+#define __kernel_nlink_t __kernel_nlink_t
 
 typedef unsigned short         __kernel_old_uid_t;
 typedef unsigned short         __kernel_old_gid_t;
-typedef __kernel_uid_t         __kernel_uid32_t;
-typedef __kernel_gid_t         __kernel_gid32_t;
-
-typedef unsigned int           __kernel_old_dev_t;
+#define __kernel_old_uid_t __kernel_old_uid_t
 
 /* Note this piece of asymmetry from the v9 ABI.  */
 typedef int                    __kernel_suseconds_t;
+#define __kernel_suseconds_t __kernel_suseconds_t
 
 #else
 /* sparc 32 bit */
@@ -45,109 +26,29 @@ typedef int		       __kernel_suseconds_t;
 typedef unsigned int           __kernel_size_t;
 typedef int                    __kernel_ssize_t;
 typedef long int               __kernel_ptrdiff_t;
-typedef long                   __kernel_time_t;
-typedef long                   __kernel_suseconds_t;
-typedef long                   __kernel_clock_t;
-typedef int                    __kernel_pid_t;
+#define __kernel_size_t __kernel_size_t
+
 typedef unsigned short         __kernel_ipc_pid_t;
+#define __kernel_ipc_pid_t __kernel_ipc_pid_t
+
 typedef unsigned short         __kernel_uid_t;
 typedef unsigned short         __kernel_gid_t;
-typedef unsigned long          __kernel_ino_t;
+#define __kernel_uid_t __kernel_uid_t
+
 typedef unsigned short         __kernel_mode_t;
+#define __kernel_mode_t __kernel_mode_t
+
 typedef short                  __kernel_nlink_t;
+#define __kernel_nlink_t __kernel_nlink_t
+
 typedef long                   __kernel_daddr_t;
-typedef long                   __kernel_off_t;
-typedef char *                 __kernel_caddr_t;
-typedef unsigned short         __kernel_uid16_t;
-typedef unsigned short         __kernel_gid16_t;
-typedef unsigned int           __kernel_uid32_t;
-typedef unsigned int           __kernel_gid32_t;
-typedef unsigned short         __kernel_old_uid_t;
-typedef unsigned short         __kernel_old_gid_t;
+#define __kernel_daddr_t __kernel_daddr_t
+
 typedef unsigned short         __kernel_old_dev_t;
-typedef int                    __kernel_clockid_t;
-typedef int                    __kernel_timer_t;
+#define __kernel_old_dev_t __kernel_old_dev_t
 
 #endif /* defined(__sparc__) && defined(__arch64__) */
 
-#ifdef __GNUC__
-typedef long long              __kernel_loff_t;
-#endif
-
-typedef struct {
-        int     val[2];
-} __kernel_fsid_t;
-
-#ifdef __KERNEL__
-
-#undef __FD_SET
-static inline void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
-{
-        unsigned long _tmp = fd / __NFDBITS;
-        unsigned long _rem = fd % __NFDBITS;
-        fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
-}
-
-#undef __FD_CLR
-static inline void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
-{
-        unsigned long _tmp = fd / __NFDBITS;
-        unsigned long _rem = fd % __NFDBITS;
-        fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
-}
-
-#undef __FD_ISSET
-static inline int __FD_ISSET(unsigned long fd, __const__ __kernel_fd_set *p)
-{
-        unsigned long _tmp = fd / __NFDBITS;
-        unsigned long _rem = fd % __NFDBITS;
-        return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
-}
-
-/*
- * This will unroll the loop for the normal constant cases (8 or 32 longs,
- * for 256 and 1024-bit fd_sets respectively)
- */
-#undef __FD_ZERO
-static inline void __FD_ZERO(__kernel_fd_set *p)
-{
-        unsigned long *tmp = p->fds_bits;
-        int i;
-
-        if (__builtin_constant_p(__FDSET_LONGS)) {
-                switch (__FDSET_LONGS) {
-                        case 32:
-                          tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-                          tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
-                          tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
-                          tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
-                          tmp[16] = 0; tmp[17] = 0; tmp[18] = 0; tmp[19] = 0;
-                          tmp[20] = 0; tmp[21] = 0; tmp[22] = 0; tmp[23] = 0;
-                          tmp[24] = 0; tmp[25] = 0; tmp[26] = 0; tmp[27] = 0;
-                          tmp[28] = 0; tmp[29] = 0; tmp[30] = 0; tmp[31] = 0;
-                          return;
-                        case 16:
-                          tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-                          tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
-                          tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
-                          tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
-                          return;
-                        case 8:
-                          tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-                          tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
-                          return;
-                        case 4:
-                          tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-                          return;
-                }
-        }
-        i = __FDSET_LONGS;
-        while (i) {
-                i--;
-                *tmp = 0;
-                tmp++;
-        }
-}
+#include <asm-generic/posix_types.h>
 
-#endif /* __KERNEL__ */
 #endif /* __SPARC_POSIX_TYPES_H */
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 481dbfcf14e..d2a540f7d6c 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2168,9 +2168,9 @@ config IA32_EMULATION
         depends on X86_64
         select COMPAT_BINFMT_ELF
         ---help---
-          Include code to run 32-bit programs under a 64-bit kernel. You should
-          likely turn this on, unless you're 100% sure that you don't have any
-          32-bit programs left.
+          Include code to run legacy 32-bit programs under a
+          64-bit kernel. You should likely turn this on, unless you're
+          100% sure that you don't have any 32-bit programs left.
 
 config IA32_AOUT
         tristate "IA32 a.out support"
@@ -2178,9 +2178,22 @@ config IA32_AOUT
         ---help---
           Support old a.out binaries in the 32bit emulation.
 
+config X86_X32
+        bool "x32 ABI for 64-bit mode (EXPERIMENTAL)"
+        depends on X86_64 && IA32_EMULATION && EXPERIMENTAL
+        ---help---
+          Include code to run binaries for the x32 native 32-bit ABI
+          for 64-bit processors.  An x32 process gets access to the
+          full 64-bit register file and wide data path while leaving
+          pointers at 32 bits for smaller memory footprint.
+
+          You will need a recent binutils (2.22 or later) with
+          elf32_x86_64 support enabled to compile a kernel with this
+          option set.
+
 config COMPAT
         def_bool y
-        depends on IA32_EMULATION
+        depends on IA32_EMULATION || X86_X32
 
 config COMPAT_FOR_U64_ALIGNMENT
         def_bool COMPAT
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 209ba129459..968dbe24a25 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -82,6 +82,22 @@ ifdef CONFIG_CC_STACKPROTECTOR
         endif
 endif
 
+ifdef CONFIG_X86_X32
+        x32_ld_ok := $(call try-run,\
+                        /bin/echo -e '1: .quad 1b' | \
+                        $(CC) $(KBUILD_AFLAGS) -c -xassembler -o "$$TMP" - && \
+                        $(OBJCOPY) -O elf32-x86-64 "$$TMP" "$$TMPO" && \
+                        $(LD) -m elf32_x86_64 "$$TMPO" -o "$$TMP",y,n)
+        ifeq ($(x32_ld_ok),y)
+                CONFIG_X86_X32_ABI := y
+                KBUILD_AFLAGS += -DCONFIG_X86_X32_ABI
+                KBUILD_CFLAGS += -DCONFIG_X86_X32_ABI
+        else
+                $(warning CONFIG_X86_X32 enabled but no binutils support)
+        endif
+endif
+export CONFIG_X86_X32_ABI
+
 # Don't unroll struct assignments with kmemcheck enabled
 ifeq ($(CONFIG_KMEMCHECK),y)
         KBUILD_CFLAGS += $(call cc-option,-fno-builtin-memcpy)
diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c
index 65577698cab..45b4fdd4e1d 100644
--- a/arch/x86/ia32/ia32_signal.c
+++ b/arch/x86/ia32/ia32_signal.c
@@ -12,10 +12,8 @@
 #include <linux/mm.h>
 #include <linux/smp.h>
 #include <linux/kernel.h>
-#include <linux/signal.h>
 #include <linux/errno.h>
 #include <linux/wait.h>
-#include <linux/ptrace.h>
 #include <linux/unistd.h>
 #include <linux/stddef.h>
 #include <linux/personality.h>
@@ -31,20 +29,15 @@
 #include <asm/proto.h>
 #include <asm/vdso.h>
 #include <asm/sigframe.h>
+#include <asm/sighandling.h>
 #include <asm/sys_ia32.h>
 
-#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
-
-#define FIX_EFLAGS      (X86_EFLAGS_AC | X86_EFLAGS_OF | \
-                         X86_EFLAGS_DF | X86_EFLAGS_TF | X86_EFLAGS_SF | \
-                         X86_EFLAGS_ZF | X86_EFLAGS_AF | X86_EFLAGS_PF | \
-                         X86_EFLAGS_CF)
-
-void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
+#define FIX_EFLAGS      __FIX_EFLAGS
 
 int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
 {
         int err = 0;
+        bool ia32 = !is_ia32_task();
 
         if (!access_ok(VERIFY_WRITE, to, sizeof(compat_siginfo_t)))
                 return -EFAULT;
@@ -74,8 +67,13 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
                         case __SI_FAULT >> 16:
                                 break;
                         case __SI_CHLD >> 16:
-                                put_user_ex(from->si_utime, &to->si_utime);
-                                put_user_ex(from->si_stime, &to->si_stime);
+                                if (ia32) {
+                                        put_user_ex(from->si_utime, &to->si_utime);
+                                        put_user_ex(from->si_stime, &to->si_stime);
+                                } else {
+                                        put_user_ex(from->si_utime, &to->_sifields._sigchld_x32._utime);
+                                        put_user_ex(from->si_stime, &to->_sifields._sigchld_x32._stime);
+                                }
                                 put_user_ex(from->si_status, &to->si_status);
                                 /* FALL THROUGH */
                         default:
@@ -347,7 +345,7 @@ static int ia32_setup_sigcontext(struct sigcontext_ia32 __user *sc,
                 put_user_ex(regs->dx, &sc->dx);
                 put_user_ex(regs->cx, &sc->cx);
                 put_user_ex(regs->ax, &sc->ax);
-                put_user_ex(current->thread.trap_no, &sc->trapno);
+                put_user_ex(current->thread.trap_nr, &sc->trapno);
                 put_user_ex(current->thread.error_code, &sc->err);
                 put_user_ex(regs->ip, &sc->ip);
                 put_user_ex(regs->cs, (unsigned int __user *)&sc->cs);
diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c
index f6f5c53dc90..aec2202a596 100644
--- a/arch/x86/ia32/sys_ia32.c
+++ b/arch/x86/ia32/sys_ia32.c
@@ -287,46 +287,6 @@ asmlinkage long sys32_sigaction(int sig, struct old_sigaction32 __user *act,
         return ret;
 }
 
-asmlinkage long sys32_rt_sigprocmask(int how, compat_sigset_t __user *set,
-                                     compat_sigset_t __user *oset,
-                                     unsigned int sigsetsize)
-{
-        sigset_t s;
-        compat_sigset_t s32;
-        int ret;
-        mm_segment_t old_fs = get_fs();
-
-        if (set) {
-                if (copy_from_user(&s32, set, sizeof(compat_sigset_t)))
-                        return -EFAULT;
-                switch (_NSIG_WORDS) {
-                case 4: s.sig[3] = s32.sig[6] | (((long)s32.sig[7]) << 32);
-                case 3: s.sig[2] = s32.sig[4] | (((long)s32.sig[5]) << 32);
-                case 2: s.sig[1] = s32.sig[2] | (((long)s32.sig[3]) << 32);
-                case 1: s.sig[0] = s32.sig[0] | (((long)s32.sig[1]) << 32);
-                }
-        }
-        set_fs(KERNEL_DS);
-        ret = sys_rt_sigprocmask(how,
-                                 set ? (sigset_t __user *)&s : NULL,
-                                 oset ? (sigset_t __user *)&s : NULL,
-                                 sigsetsize);
-        set_fs(old_fs);
-        if (ret)
-                return ret;
-        if (oset) {
-                switch (_NSIG_WORDS) {
-                case 4: s32.sig[7] = (s.sig[3] >> 32); s32.sig[6] = s.sig[3];
-                case 3: s32.sig[5] = (s.sig[2] >> 32); s32.sig[4] = s.sig[2];
-                case 2: s32.sig[3] = (s.sig[1] >> 32); s32.sig[2] = s.sig[1];
-                case 1: s32.sig[1] = (s.sig[0] >> 32); s32.sig[0] = s.sig[0];
-                }
-                if (copy_to_user(oset, &s32, sizeof(compat_sigset_t)))
-                        return -EFAULT;
-        }
-        return 0;
-}
-
 asmlinkage long sys32_alarm(unsigned int seconds)
 {
         return alarm_setitimer(seconds);
diff --git a/arch/x86/include/asm/Kbuild b/arch/x86/include/asm/Kbuild
index b57e6a43a37..f9c0d3ba9e8 100644
--- a/arch/x86/include/asm/Kbuild
+++ b/arch/x86/include/asm/Kbuild
@@ -14,6 +14,7 @@ header-y += msr.h
 header-y += mtrr.h
 header-y += posix_types_32.h
 header-y += posix_types_64.h
+header-y += posix_types_x32.h
 header-y += prctl.h
 header-y += processor-flags.h
 header-y += ptrace-abi.h
@@ -24,3 +25,4 @@ header-y += vsyscall.h
 
 genhdr-y += unistd_32.h
 genhdr-y += unistd_64.h
+genhdr-y += unistd_x32.h
diff --git a/arch/x86/include/asm/compat.h b/arch/x86/include/asm/compat.h
index 30d737ef2a4..d6805798d6f 100644
--- a/arch/x86/include/asm/compat.h
+++ b/arch/x86/include/asm/compat.h
@@ -6,7 +6,9 @@
  */
 #include <linux/types.h>
 #include <linux/sched.h>
+#include <asm/processor.h>
 #include <asm/user32.h>
+#include <asm/unistd.h>
 
 #define COMPAT_USER_HZ          100
 #define COMPAT_UTS_MACHINE      "i686\0\0"
@@ -186,7 +188,20 @@ struct compat_shmid64_ds {
 /*
  * The type of struct elf_prstatus.pr_reg in compatible core dumps.
  */
+#ifdef CONFIG_X86_X32_ABI
+typedef struct user_regs_struct compat_elf_gregset_t;
+
+#define PR_REG_SIZE(S) (test_thread_flag(TIF_IA32) ? 68 : 216)
+#define PRSTATUS_SIZE(S) (test_thread_flag(TIF_IA32) ? 144 : 296)
+#define SET_PR_FPVALID(S,V) \
+  do { *(int *) (((void *) &((S)->pr_reg)) + PR_REG_SIZE(0)) = (V); } \
+  while (0)
+
+#define COMPAT_USE_64BIT_TIME \
+        (!!(task_pt_regs(current)->orig_ax & __X32_SYSCALL_BIT))
+#else
 typedef struct user_regs_struct32 compat_elf_gregset_t;
+#endif
 
 /*
  * A pointer passed in from user mode. This should not
@@ -208,13 +223,30 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
 
 static inline void __user *arch_compat_alloc_user_space(long len)
 {
-        struct pt_regs *regs = task_pt_regs(current);
-        return (void __user *)regs->sp - len;
+        compat_uptr_t sp;
+
+        if (test_thread_flag(TIF_IA32)) {
+                sp = task_pt_regs(current)->sp;
+        } else {
+                /* -128 for the x32 ABI redzone */
+                sp = percpu_read(old_rsp) - 128;
+        }
+
+        return (void __user *)round_down(sp - len, 16);
+}
+
+static inline bool is_x32_task(void)
+{
+#ifdef CONFIG_X86_X32_ABI
+        if (task_pt_regs(current)->orig_ax & __X32_SYSCALL_BIT)
+                return true;
+#endif
+        return false;
 }
 
-static inline int is_compat_task(void)
+static inline bool is_compat_task(void)
 {
-        return current_thread_info()->status & TS_COMPAT;
+        return is_ia32_task() || is_x32_task();
 }
 
 #endif /* _ASM_X86_COMPAT_H */
diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h
index 5f962df30d0..1e40634591a 100644
--- a/arch/x86/include/asm/elf.h
+++ b/arch/x86/include/asm/elf.h
@@ -156,7 +156,12 @@ do {						\
 #define elf_check_arch(x)                       \
         ((x)->e_machine == EM_X86_64)
 
-#define compat_elf_check_arch(x)        elf_check_arch_ia32(x)
+#define compat_elf_check_arch(x)                \
+        (elf_check_arch_ia32(x) || (x)->e_machine == EM_X86_64)
+
+#if __USER32_DS != __USER_DS
+# error "The following code assumes __USER32_DS == __USER_DS"
+#endif
 
 static inline void elf_common_init(struct thread_struct *t,
                                    struct pt_regs *regs, const u16 ds)
@@ -179,8 +184,9 @@ static inline void elf_common_init(struct thread_struct *t,
 void start_thread_ia32(struct pt_regs *regs, u32 new_ip, u32 new_sp);
 #define compat_start_thread start_thread_ia32
 
-void set_personality_ia32(void);
-#define COMPAT_SET_PERSONALITY(ex) set_personality_ia32()
+void set_personality_ia32(bool);
+#define COMPAT_SET_PERSONALITY(ex)                      \
+        set_personality_ia32((ex).e_machine == EM_X86_64)
 
 #define COMPAT_ELF_PLATFORM                     ("i686")
 
@@ -287,7 +293,7 @@ do {									\
 #define VDSO_HIGH_BASE          0xffffe000U /* CONFIG_COMPAT_VDSO address */
 
 /* 1GB for 64bit, 8MB for 32bit */
-#define STACK_RND_MASK (test_thread_flag(TIF_IA32) ? 0x7ff : 0x3fffff)
+#define STACK_RND_MASK (test_thread_flag(TIF_ADDR32) ? 0x7ff : 0x3fffff)
 
 #define ARCH_DLINFO                                                     \
 do {                                                                    \
@@ -296,9 +302,20 @@ do {									\
                             (unsigned long)current->mm->context.vdso);  \
 } while (0)
 
+#define ARCH_DLINFO_X32                                                 \
+do {                                                                    \
+        if (vdso_enabled)                                               \
+                NEW_AUX_ENT(AT_SYSINFO_EHDR,                            \
+                            (unsigned long)current->mm->context.vdso);  \
+} while (0)
+
 #define AT_SYSINFO              32
 
-#define COMPAT_ARCH_DLINFO      ARCH_DLINFO_IA32(sysctl_vsyscall32)
+#define COMPAT_ARCH_DLINFO                                              \
+if (test_thread_flag(TIF_X32))                                          \
+        ARCH_DLINFO_X32;                                                \
+else                                                                    \
+        ARCH_DLINFO_IA32(sysctl_vsyscall32)
 
 #define COMPAT_ELF_ET_DYN_BASE  (TASK_UNMAPPED_BASE + 0x1000000)
 
@@ -314,6 +331,8 @@ struct linux_binprm;
 #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
 extern int arch_setup_additional_pages(struct linux_binprm *bprm,
                                        int uses_interp);
+extern int x32_setup_additional_pages(struct linux_binprm *bprm,
+                                      int uses_interp);
 
 extern int syscall32_setup_pages(struct linux_binprm *, int exstack);
 #define compat_arch_setup_additional_pages      syscall32_setup_pages
@@ -330,7 +349,7 @@ static inline int mmap_is_ia32(void)
         return 1;
 #endif
 #ifdef CONFIG_IA32_EMULATION
-        if (test_thread_flag(TIF_IA32))
+        if (test_thread_flag(TIF_ADDR32))
                 return 1;
 #endif
         return 0;
diff --git a/arch/x86/include/asm/i387.h b/arch/x86/include/asm/i387.h
index 6919e936345..247904945d3 100644
--- a/arch/x86/include/asm/i387.h
+++ b/arch/x86/include/asm/i387.h
@@ -29,10 +29,11 @@ extern unsigned int sig_xstate_size;
 extern void fpu_init(void);
 extern void mxcsr_feature_mask_init(void);
 extern int init_fpu(struct task_struct *child);
-extern asmlinkage void math_state_restore(void);
-extern void __math_state_restore(void);
+extern void math_state_restore(void);
 extern int dump_fpu(struct pt_regs *, struct user_i387_struct *);
 
+DECLARE_PER_CPU(struct task_struct *, fpu_owner_task);
+
 extern user_regset_active_fn fpregs_active, xfpregs_active;
 extern user_regset_get_fn fpregs_get, xfpregs_get, fpregs_soft_get,
                                 xstateregs_get;
@@ -212,19 +213,11 @@ static inline void fpu_fxsave(struct fpu *fpu)
 
 #endif  /* CONFIG_X86_64 */
 
-/* We need a safe address that is cheap to find and that is already
-   in L1 during context switch. The best choices are unfortunately
-   different for UP and SMP */
-#ifdef CONFIG_SMP
-#define safe_address (__per_cpu_offset[0])
-#else
-#define safe_address (__get_cpu_var(kernel_cpustat).cpustat[CPUTIME_USER])
-#endif
-
 /*
- * These must be called with preempt disabled
+ * These must be called with preempt disabled. Returns
+ * 'true' if the FPU state is still intact.
  */
-static inline void fpu_save_init(struct fpu *fpu)
+static inline int fpu_save_init(struct fpu *fpu)
 {
         if (use_xsave()) {
                 fpu_xsave(fpu);
@@ -233,33 +226,33 @@ static inline void fpu_save_init(struct fpu *fpu)
                  * xsave header may indicate the init state of the FP.
                  */
                 if (!(fpu->state->xsave.xsave_hdr.xstate_bv & XSTATE_FP))
-                        return;
+                        return 1;
         } else if (use_fxsr()) {
                 fpu_fxsave(fpu);
         } else {
                 asm volatile("fnsave %[fx]; fwait"
                              : [fx] "=m" (fpu->state->fsave));
-                return;
+                return 0;
         }
 
-        if (unlikely(fpu->state->fxsave.swd & X87_FSW_ES))
+        /*
+         * If exceptions are pending, we need to clear them so
+         * that we don't randomly get exceptions later.
+         *
+         * FIXME! Is this perhaps only true for the old-style
+         * irq13 case? Maybe we could leave the x87 state
+         * intact otherwise?
+         */
+        if (unlikely(fpu->state->fxsave.swd & X87_FSW_ES)) {
                 asm volatile("fnclex");
-
-        /* AMD K7/K8 CPUs don't save/restore FDP/FIP/FOP unless an exception
-           is pending.  Clear the x87 state here by setting it to fixed
-           values. safe_address is a random variable that should be in L1 */
-        alternative_input(
-                ASM_NOP8 ASM_NOP2,
-                "emms\n\t"              /* clear stack tags */
-                "fildl %P[addr]",       /* set F?P to defined value */
-                X86_FEATURE_FXSAVE_LEAK,
-                [addr] "m" (safe_address));
+                return 0;
+        }
+        return 1;
 }
 
-static inline void __save_init_fpu(struct task_struct *tsk)
+static inline int __save_init_fpu(struct task_struct *tsk)
 {
-        fpu_save_init(&tsk->thread.fpu);
-        task_thread_info(tsk)->status &= ~TS_USEDFPU;
+        return fpu_save_init(&tsk->thread.fpu);
 }
 
 static inline int fpu_fxrstor_checking(struct fpu *fpu)
@@ -277,44 +270,212 @@ static inline int fpu_restore_checking(struct fpu *fpu)
 
 static inline int restore_fpu_checking(struct task_struct *tsk)
 {
+        /* AMD K7/K8 CPUs don't save/restore FDP/FIP/FOP unless an exception
+           is pending.  Clear the x87 state here by setting it to fixed
+           values. "m" is a random variable that should be in L1 */
+        alternative_input(
+                ASM_NOP8 ASM_NOP2,
+                "emms\n\t"              /* clear stack tags */
+                "fildl %P[addr]",       /* set F?P to defined value */
+                X86_FEATURE_FXSAVE_LEAK,
+                [addr] "m" (tsk->thread.fpu.has_fpu));
+
         return fpu_restore_checking(&tsk->thread.fpu);
 }
 
 /*
- * Signal frame handlers...
+ * Software FPU state helpers. Careful: these need to
+ * be preemption protection *and* they need to be
+ * properly paired with the CR0.TS changes!
  */
-extern int save_i387_xstate(void __user *buf);
-extern int restore_i387_xstate(void __user *buf);
+static inline int __thread_has_fpu(struct task_struct *tsk)
+{
+        return tsk->thread.fpu.has_fpu;
+}
 
-static inline void __unlazy_fpu(struct task_struct *tsk)
+/* Must be paired with an 'stts' after! */
+static inline void __thread_clear_has_fpu(struct task_struct *tsk)
 {
-        if (task_thread_info(tsk)->status & TS_USEDFPU) {
-                __save_init_fpu(tsk);
-                stts();
-        } else
-                tsk->fpu_counter = 0;
+        tsk->thread.fpu.has_fpu = 0;
+        percpu_write(fpu_owner_task, NULL);
+}
+
+/* Must be paired with a 'clts' before! */
+static inline void __thread_set_has_fpu(struct task_struct *tsk)
+{
+        tsk->thread.fpu.has_fpu = 1;
+        percpu_write(fpu_owner_task, tsk);
+}
+
+/*
+ * Encapsulate the CR0.TS handling together with the
+ * software flag.
+ *
+ * These generally need preemption protection to work,
+ * do try to avoid using these on their own.
+ */
+static inline void __thread_fpu_end(struct task_struct *tsk)
+{
+        __thread_clear_has_fpu(tsk);
+        stts();
+}
+
+static inline void __thread_fpu_begin(struct task_struct *tsk)
+{
+        clts();
+        __thread_set_has_fpu(tsk);
+}
+
+/*
+ * FPU state switching for scheduling.
+ *
+ * This is a two-stage process:
+ *
+ *  - switch_fpu_prepare() saves the old state and
+ *    sets the new state of the CR0.TS bit. This is
+ *    done within the context of the old process.
+ *
+ *  - switch_fpu_finish() restores the new state as
+ *    necessary.
+ */
+typedef struct { int preload; } fpu_switch_t;
+
+/*
+ * FIXME! We could do a totally lazy restore, but we need to
+ * add a per-cpu "this was the task that last touched the FPU
+ * on this CPU" variable, and the task needs to have a "I last
+ * touched the FPU on this CPU" and check them.
+ *
+ * We don't do that yet, so "fpu_lazy_restore()" always returns
+ * false, but some day..
+ */
+static inline int fpu_lazy_restore(struct task_struct *new, unsigned int cpu)
+{
+        return new == percpu_read_stable(fpu_owner_task) &&
+                cpu == new->thread.fpu.last_cpu;
+}
+
+static inline fpu_switch_t switch_fpu_prepare(struct task_struct *old, struct task_struct *new, int cpu)
+{
+        fpu_switch_t fpu;
+
+        fpu.preload = tsk_used_math(new) && new->fpu_counter > 5;
+        if (__thread_has_fpu(old)) {
+                if (!__save_init_fpu(old))
+                        cpu = ~0;
+                old->thread.fpu.last_cpu = cpu;
+                old->thread.fpu.has_fpu = 0;    /* But leave fpu_owner_task! */
+
+                /* Don't change CR0.TS if we just switch! */
+                if (fpu.preload) {
+                        new->fpu_counter++;
+                        __thread_set_has_fpu(new);
+                        prefetch(new->thread.fpu.state);
+                } else
+                        stts();
+        } else {
+                old->fpu_counter = 0;
+                old->thread.fpu.last_cpu = ~0;
+                if (fpu.preload) {
+                        new->fpu_counter++;
+                        if (fpu_lazy_restore(new, cpu))
+                                fpu.preload = 0;
+                        else
+                                prefetch(new->thread.fpu.state);
+                        __thread_fpu_begin(new);
+                }
+        }
+        return fpu;
+}
+
+/*
+ * By the time this gets called, we've already cleared CR0.TS and
+ * given the process the FPU if we are going to preload the FPU
+ * state - all we need to do is to conditionally restore the register
+ * state itself.
+ */
+static inline void switch_fpu_finish(struct task_struct *new, fpu_switch_t fpu)
+{
+        if (fpu.preload) {
+                if (unlikely(restore_fpu_checking(new)))
+                        __thread_fpu_end(new);
+        }
 }
 
+/*
+ * Signal frame handlers...
+ */
+extern int save_i387_xstate(void __user *buf);
+extern int restore_i387_xstate(void __user *buf);
+
 static inline void __clear_fpu(struct task_struct *tsk)
 {
-        if (task_thread_info(tsk)->status & TS_USEDFPU) {
+        if (__thread_has_fpu(tsk)) {
                 /* Ignore delayed exceptions from user space */
                 asm volatile("1: fwait\n"
                              "2:\n"
                              _ASM_EXTABLE(1b, 2b));
-                task_thread_info(tsk)->status &= ~TS_USEDFPU;
-                stts();
+                __thread_fpu_end(tsk);
         }
 }
 
+/*
+ * Were we in an interrupt that interrupted kernel mode?
+ *
+ * We can do a kernel_fpu_begin/end() pair *ONLY* if that
+ * pair does nothing at all: the thread must not have fpu (so
+ * that we don't try to save the FPU state), and TS must
+ * be set (so that the clts/stts pair does nothing that is
+ * visible in the interrupted kernel thread).
+ */
+static inline bool interrupted_kernel_fpu_idle(void)
+{
+        return !__thread_has_fpu(current) &&
+                (read_cr0() & X86_CR0_TS);
+}
+
+/*
+ * Were we in user mode (or vm86 mode) when we were
+ * interrupted?
+ *
+ * Doing kernel_fpu_begin/end() is ok if we are running
+ * in an interrupt context from user mode - we'll just
+ * save the FPU state as required.
+ */
+static inline bool interrupted_user_mode(void)
+{
+        struct pt_regs *regs = get_irq_regs();
+        return regs && user_mode_vm(regs);
+}
+
+/*
+ * Can we use the FPU in kernel mode with the
+ * whole "kernel_fpu_begin/end()" sequence?
+ *
+ * It's always ok in process context (ie "not interrupt")
+ * but it is sometimes ok even from an irq.
+ */
+static inline bool irq_fpu_usable(void)
+{
+        return !in_interrupt() ||
+                interrupted_user_mode() ||
+                interrupted_kernel_fpu_idle();
+}
+
 static inline void kernel_fpu_begin(void)
 {
-        struct thread_info *me = current_thread_info();
+        struct task_struct *me = current;
+
+        WARN_ON_ONCE(!irq_fpu_usable());
         preempt_disable();
-        if (me->status & TS_USEDFPU)
-                __save_init_fpu(me->task);
-        else
+        if (__thread_has_fpu(me)) {
+                __save_init_fpu(me);
+                __thread_clear_has_fpu(me);
+                /* We do 'stts()' in kernel_fpu_end() */
+        } else {
+                percpu_write(fpu_owner_task, NULL);
                 clts();
+        }
 }
 
 static inline void kernel_fpu_end(void)
@@ -323,14 +484,6 @@ static inline void kernel_fpu_end(void)
         preempt_enable();
 }
 
-static inline bool irq_fpu_usable(void)
-{
-        struct pt_regs *regs;
-
-        return !in_interrupt() || !(regs = get_irq_regs()) || \
-                user_mode(regs) || (read_cr0() & X86_CR0_TS);
-}
-
 /*
  * Some instructions like VIA's padlock instructions generate a spurious
  * DNA fault but don't modify SSE registers. And these instructions
@@ -363,20 +516,64 @@ static inline void irq_ts_restore(int TS_state)
 }
 
 /*
+ * The question "does this thread have fpu access?"
+ * is slightly racy, since preemption could come in
+ * and revoke it immediately after the test.
+ *
+ * However, even in that very unlikely scenario,
+ * we can just assume we have FPU access - typically
+ * to save the FP state - we'll just take a #NM
+ * fault and get the FPU access back.
+ *
+ * The actual user_fpu_begin/end() functions
+ * need to be preemption-safe, though.
+ *
+ * NOTE! user_fpu_end() must be used only after you
+ * have saved the FP state, and user_fpu_begin() must
+ * be used only immediately before restoring it.
+ * These functions do not do any save/restore on
+ * their own.
+ */
+static inline int user_has_fpu(void)
+{
+        return __thread_has_fpu(current);
+}
+
+static inline void user_fpu_end(void)
+{
+        preempt_disable();
+        __thread_fpu_end(current);
+        preempt_enable();
+}
+
+static inline void user_fpu_begin(void)
+{
+        preempt_disable();
+        if (!user_has_fpu())
+                __thread_fpu_begin(current);
+        preempt_enable();
+}
+
+/*
  * These disable preemption on their own and are safe
  */
 static inline void save_init_fpu(struct task_struct *tsk)
 {
+        WARN_ON_ONCE(!__thread_has_fpu(tsk));
         preempt_disable();
         __save_init_fpu(tsk);
-        stts();
+        __thread_fpu_end(tsk);
         preempt_enable();
 }
 
 static inline void unlazy_fpu(struct task_struct *tsk)
 {
         preempt_disable();
-        __unlazy_fpu(tsk);
+        if (__thread_has_fpu(tsk)) {
+                __save_init_fpu(tsk);
+                __thread_fpu_end(tsk);
+        } else
+                tsk->fpu_counter = 0;
         preempt_enable();
 }
 
diff --git a/arch/x86/include/asm/ia32.h b/arch/x86/include/asm/ia32.h
index 1f7e6251728..7d0c1858770 100644
--- a/arch/x86/include/asm/ia32.h
+++ b/arch/x86/include/asm/ia32.h
@@ -43,6 +43,15 @@ struct ucontext_ia32 {
         compat_sigset_t   uc_sigmask;   /* mask last for extensibility */
 };
 
+struct ucontext_x32 {
+        unsigned int      uc_flags;
+        unsigned int      uc_link;
+        stack_ia32_t      uc_stack;
+        unsigned int      uc__pad0;     /* needed for alignment */
+        struct sigcontext uc_mcontext;  /* the 64-bit sigcontext type */
+        compat_sigset_t   uc_sigmask;   /* mask last for extensibility */
+};
+
 /* This matches struct stat64 in glibc2.2, hence the absolutely
  * insane amounts of padding around dev_t's.
  */
@@ -116,6 +125,15 @@ typedef struct compat_siginfo {
                         compat_clock_t _stime;
                 } _sigchld;
 
+                /* SIGCHLD (x32 version) */
+                struct {
+                        unsigned int _pid;      /* which child */
+                        unsigned int _uid;      /* sender's uid */
+                        int _status;            /* exit code */
+                        s64 _utime;
+                        s64 _stime;
+                } _sigchld_x32;
+
                 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
                 struct {
                         unsigned int _addr;     /* faulting insn/memory ref. */
diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index ab4092e3214..7b9cfc4878a 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -190,6 +190,9 @@ struct x86_emulate_ops {
         int (*intercept)(struct x86_emulate_ctxt *ctxt,
                          struct x86_instruction_info *info,
                          enum x86_intercept_stage stage);
+
+        bool (*get_cpuid)(struct x86_emulate_ctxt *ctxt,
+                         u32 *eax, u32 *ebx, u32 *ecx, u32 *edx);
 };
 
 typedef u32 __attribute__((vector_size(16))) sse128_t;
@@ -298,6 +301,19 @@ struct x86_emulate_ctxt {
 #define X86EMUL_MODE_PROT     (X86EMUL_MODE_PROT16|X86EMUL_MODE_PROT32| \
                                X86EMUL_MODE_PROT64)
 
+/* CPUID vendors */
+#define X86EMUL_CPUID_VENDOR_AuthenticAMD_ebx 0x68747541
+#define X86EMUL_CPUID_VENDOR_AuthenticAMD_ecx 0x444d4163
+#define X86EMUL_CPUID_VENDOR_AuthenticAMD_edx 0x69746e65
+
+#define X86EMUL_CPUID_VENDOR_AMDisbetterI_ebx 0x69444d41
+#define X86EMUL_CPUID_VENDOR_AMDisbetterI_ecx 0x21726574
+#define X86EMUL_CPUID_VENDOR_AMDisbetterI_edx 0x74656273
+
+#define X86EMUL_CPUID_VENDOR_GenuineIntel_ebx 0x756e6547
+#define X86EMUL_CPUID_VENDOR_GenuineIntel_ecx 0x6c65746e
+#define X86EMUL_CPUID_VENDOR_GenuineIntel_edx 0x49656e69
+
 enum x86_intercept_stage {
         X86_ICTP_NONE = 0,   /* Allow zero-init to not match anything */
         X86_ICPT_PRE_EXCEPT,
diff --git a/arch/x86/include/asm/mtrr.h b/arch/x86/include/asm/mtrr.h
index 4365ffdb461..7e3f17f92c6 100644
--- a/arch/x86/include/asm/mtrr.h
+++ b/arch/x86/include/asm/mtrr.h
@@ -29,18 +29,18 @@
 
 #define MTRR_IOCTL_BASE 'M'
 
-struct mtrr_sentry {
-    unsigned long base;    /*  Base address     */
-    unsigned int size;    /*  Size of region   */
-    unsigned int type;     /*  Type of region   */
-};
-
 /* Warning: this structure has a different order from i386
    on x86-64. The 32bit emulation code takes care of that.
    But you need to use this for 64bit, otherwise your X server
    will break. */
 
 #ifdef __i386__
+struct mtrr_sentry {
+    unsigned long base;    /*  Base address     */
+    unsigned int size;    /*  Size of region   */
+    unsigned int type;     /*  Type of region   */
+};
+
 struct mtrr_gentry {
     unsigned int regnum;   /*  Register number  */
     unsigned long base;    /*  Base address     */
@@ -50,12 +50,20 @@ struct mtrr_gentry {
 
 #else /* __i386__ */
 
+struct mtrr_sentry {
+        __u64 base;             /*  Base address     */
+        __u32 size;             /*  Size of region   */
+        __u32 type;             /*  Type of region   */
+};
+
 struct mtrr_gentry {
-    unsigned long base;    /*  Base address     */
-    unsigned int size;    /*  Size of region   */
-    unsigned int regnum;   /*  Register number  */
-    unsigned int type;     /*  Type of region   */
+        __u64 base;             /*  Base address     */
+        __u32 size;             /*  Size of region   */
+        __u32 regnum;           /*  Register number  */
+        __u32 type;             /*  Type of region   */
+        __u32 _pad;             /*  Unused           */
 };
+
 #endif /* !__i386__ */
 
 struct mtrr_var_range {
diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h
index 9b922c13625..e8fb2c7a5f4 100644
--- a/arch/x86/include/asm/perf_event.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -240,4 +240,12 @@ static inline void perf_get_x86_pmu_capability(struct x86_pmu_capability *cap)
 static inline void perf_events_lapic_init(void) { }
 #endif
 
+#if defined(CONFIG_PERF_EVENTS) && defined(CONFIG_CPU_SUP_AMD)
+ extern void amd_pmu_enable_virt(void);
+ extern void amd_pmu_disable_virt(void);
+#else
+ static inline void amd_pmu_enable_virt(void) { }
+ static inline void amd_pmu_disable_virt(void) { }
+#endif
+
 #endif /* _ASM_X86_PERF_EVENT_H */
diff --git a/arch/x86/include/asm/posix_types.h b/arch/x86/include/asm/posix_types.h
index bb7133dc155..3427b7798db 100644
--- a/arch/x86/include/asm/posix_types.h
+++ b/arch/x86/include/asm/posix_types.h
@@ -7,7 +7,9 @@
 #else
 # ifdef __i386__
 #  include "posix_types_32.h"
-# else
+# elif defined(__LP64__)
 #  include "posix_types_64.h"
+# else
+#  include "posix_types_x32.h"
 # endif
 #endif
diff --git a/arch/x86/include/asm/posix_types_32.h b/arch/x86/include/asm/posix_types_32.h
index f7d9adf82e5..99f262e04b9 100644
--- a/arch/x86/include/asm/posix_types_32.h
+++ b/arch/x86/include/asm/posix_types_32.h
@@ -7,79 +7,22 @@
  * assume GCC is being used.
  */
 
-typedef unsigned long   __kernel_ino_t;
 typedef unsigned short  __kernel_mode_t;
+#define __kernel_mode_t __kernel_mode_t
+
 typedef unsigned short  __kernel_nlink_t;
-typedef long            __kernel_off_t;
-typedef int             __kernel_pid_t;
+#define __kernel_nlink_t __kernel_nlink_t
+
 typedef unsigned short  __kernel_ipc_pid_t;
+#define __kernel_ipc_pid_t __kernel_ipc_pid_t
+
 typedef unsigned short  __kernel_uid_t;
 typedef unsigned short  __kernel_gid_t;
-typedef unsigned int    __kernel_size_t;
-typedef int             __kernel_ssize_t;
-typedef int             __kernel_ptrdiff_t;
-typedef long            __kernel_time_t;
-typedef long            __kernel_suseconds_t;
-typedef long            __kernel_clock_t;
-typedef int             __kernel_timer_t;
-typedef int             __kernel_clockid_t;
-typedef int             __kernel_daddr_t;
-typedef char *          __kernel_caddr_t;
-typedef unsigned short  __kernel_uid16_t;
-typedef unsigned short  __kernel_gid16_t;
-typedef unsigned int    __kernel_uid32_t;
-typedef unsigned int    __kernel_gid32_t;
+#define __kernel_uid_t __kernel_uid_t
 
-typedef unsigned short  __kernel_old_uid_t;
-typedef unsigned short  __kernel_old_gid_t;
 typedef unsigned short  __kernel_old_dev_t;
+#define __kernel_old_dev_t __kernel_old_dev_t
 
-#ifdef __GNUC__
-typedef long long       __kernel_loff_t;
-#endif
-
-typedef struct {
-        int     val[2];
-} __kernel_fsid_t;
-
-#if defined(__KERNEL__)
-
-#undef  __FD_SET
-#define __FD_SET(fd,fdsetp)                                     \
-        asm volatile("btsl %1,%0":                              \
-                     "+m" (*(__kernel_fd_set *)(fdsetp))        \
-                     : "r" ((int)(fd)))
-
-#undef  __FD_CLR
-#define __FD_CLR(fd,fdsetp)                                     \
-        asm volatile("btrl %1,%0":                              \
-                     "+m" (*(__kernel_fd_set *)(fdsetp))        \
-                     : "r" ((int) (fd)))
-
-#undef  __FD_ISSET
-#define __FD_ISSET(fd,fdsetp)                                   \
-        (__extension__                                          \
-         ({                                                     \
-         unsigned char __result;                                \
-         asm volatile("btl %1,%2 ; setb %0"                     \
-                      : "=q" (__result)                         \
-                      : "r" ((int)(fd)),                        \
-                        "m" (*(__kernel_fd_set *)(fdsetp)));    \
-         __result;                                              \
-}))
-
-#undef  __FD_ZERO
-#define __FD_ZERO(fdsetp)                                       \
-do {                                                            \
-        int __d0, __d1;                                         \
-        asm volatile("cld ; rep ; stosl"                        \
-                     : "=m" (*(__kernel_fd_set *)(fdsetp)),     \
-                       "=&c" (__d0), "=&D" (__d1)               \
-                     : "a" (0), "1" (__FDSET_LONGS),            \
-                       "2" ((__kernel_fd_set *)(fdsetp))        \
-                     : "memory");                               \
-} while (0)
-
-#endif /* defined(__KERNEL__) */
+#include <asm-generic/posix_types.h>
 
 #endif /* _ASM_X86_POSIX_TYPES_32_H */
diff --git a/arch/x86/include/asm/posix_types_64.h b/arch/x86/include/asm/posix_types_64.h
index eb8d2d92b63..cba0c1ead16 100644
--- a/arch/x86/include/asm/posix_types_64.h
+++ b/arch/x86/include/asm/posix_types_64.h
@@ -7,113 +7,13 @@
  * assume GCC is being used.
  */
 
-typedef unsigned long   __kernel_ino_t;
-typedef unsigned int    __kernel_mode_t;
-typedef unsigned long   __kernel_nlink_t;
-typedef long            __kernel_off_t;
-typedef int             __kernel_pid_t;
-typedef int             __kernel_ipc_pid_t;
-typedef unsigned int    __kernel_uid_t;
-typedef unsigned int    __kernel_gid_t;
-typedef unsigned long   __kernel_size_t;
-typedef long            __kernel_ssize_t;
-typedef long            __kernel_ptrdiff_t;
-typedef long            __kernel_time_t;
-typedef long            __kernel_suseconds_t;
-typedef long            __kernel_clock_t;
-typedef int             __kernel_timer_t;
-typedef int             __kernel_clockid_t;
-typedef int             __kernel_daddr_t;
-typedef char *          __kernel_caddr_t;
-typedef unsigned short  __kernel_uid16_t;
-typedef unsigned short  __kernel_gid16_t;
-
-#ifdef __GNUC__
-typedef long long       __kernel_loff_t;
-#endif
-
-typedef struct {
-        int     val[2];
-} __kernel_fsid_t;
-
 typedef unsigned short __kernel_old_uid_t;
 typedef unsigned short __kernel_old_gid_t;
-typedef __kernel_uid_t __kernel_uid32_t;
-typedef __kernel_gid_t __kernel_gid32_t;
+#define __kernel_old_uid_t __kernel_old_uid_t
 
 typedef unsigned long   __kernel_old_dev_t;
+#define __kernel_old_dev_t __kernel_old_dev_t
 
-#ifdef __KERNEL__
-
-#undef __FD_SET
-static inline void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
-{
-        unsigned long _tmp = fd / __NFDBITS;
-        unsigned long _rem = fd % __NFDBITS;
-        fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
-}
-
-#undef __FD_CLR
-static inline void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
-{
-        unsigned long _tmp = fd / __NFDBITS;
-        unsigned long _rem = fd % __NFDBITS;
-        fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
-}
-
-#undef __FD_ISSET
-static inline int __FD_ISSET(unsigned long fd, __const__ __kernel_fd_set *p)
-{
-        unsigned long _tmp = fd / __NFDBITS;
-        unsigned long _rem = fd % __NFDBITS;
-        return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
-}
-
-/*
- * This will unroll the loop for the normal constant cases (8 or 32 longs,
- * for 256 and 1024-bit fd_sets respectively)
- */
-#undef __FD_ZERO
-static inline void __FD_ZERO(__kernel_fd_set *p)
-{
-        unsigned long *tmp = p->fds_bits;
-        int i;
-
-        if (__builtin_constant_p(__FDSET_LONGS)) {
-                switch (__FDSET_LONGS) {
-                case 32:
-                        tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-                        tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
-                        tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
-                        tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
-                        tmp[16] = 0; tmp[17] = 0; tmp[18] = 0; tmp[19] = 0;
-                        tmp[20] = 0; tmp[21] = 0; tmp[22] = 0; tmp[23] = 0;
-                        tmp[24] = 0; tmp[25] = 0; tmp[26] = 0; tmp[27] = 0;
-                        tmp[28] = 0; tmp[29] = 0; tmp[30] = 0; tmp[31] = 0;
-                        return;
-                case 16:
-                        tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-                        tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
-                        tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
-                        tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
-                        return;
-                case 8:
-                        tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-                        tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
-                        return;
-                case 4:
-                        tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-                        return;
-                }
-        }
-        i = __FDSET_LONGS;
-        while (i) {
-                i--;
-                *tmp = 0;
-                tmp++;
-        }
-}
-
-#endif /* defined(__KERNEL__) */
+#include <asm-generic/posix_types.h>
 
 #endif /* _ASM_X86_POSIX_TYPES_64_H */
diff --git a/arch/x86/include/asm/posix_types_x32.h b/arch/x86/include/asm/posix_types_x32.h
new file mode 100644
index 00000000000..85f9bdafa93
--- /dev/null
+++ b/arch/x86/include/asm/posix_types_x32.h
@@ -0,0 +1,19 @@
+#ifndef _ASM_X86_POSIX_TYPES_X32_H
+#define _ASM_X86_POSIX_TYPES_X32_H
+
+/*
+ * This file is only used by user-level software, so you need to
+ * be a little careful about namespace pollution etc.  Also, we cannot
+ * assume GCC is being used.
+ *
+ * These types should generally match the ones used by the 64-bit kernel,
+ *
+ */
+
+typedef long long __kernel_long_t;
+typedef unsigned long long __kernel_ulong_t;
+#define __kernel_long_t __kernel_long_t
+
+#include <asm/posix_types_64.h>
+
+#endif /* _ASM_X86_POSIX_TYPES_X32_H */
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index aa9088c2693..f6d0d2eb083 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -374,6 +374,8 @@ union thread_xstate {
 };
 
 struct fpu {
+        unsigned int last_cpu;
+        unsigned int has_fpu;
         union thread_xstate *state;
 };
 
@@ -451,7 +453,7 @@ struct thread_struct {
         unsigned long           ptrace_dr7;
         /* Fault info: */
         unsigned long           cr2;
-        unsigned long           trap_no;
+        unsigned long           trap_nr;
         unsigned long           error_code;
         /* floating point and extended processor state */
         struct fpu              fpu;
@@ -924,9 +926,9 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk);
 #define IA32_PAGE_OFFSET        ((current->personality & ADDR_LIMIT_3GB) ? \
                                         0xc0000000 : 0xFFFFe000)
 
-#define TASK_SIZE               (test_thread_flag(TIF_IA32) ? \
+#define TASK_SIZE               (test_thread_flag(TIF_ADDR32) ? \
                                         IA32_PAGE_OFFSET : TASK_SIZE_MAX)
-#define TASK_SIZE_OF(child)     ((test_tsk_thread_flag(child, TIF_IA32)) ? \
+#define TASK_SIZE_OF(child)     ((test_tsk_thread_flag(child, TIF_ADDR32)) ? \
                                         IA32_PAGE_OFFSET : TASK_SIZE_MAX)
 
 #define STACK_TOP               TASK_SIZE
@@ -948,6 +950,12 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk);
 
 #define task_pt_regs(tsk)       ((struct pt_regs *)(tsk)->thread.sp0 - 1)
 extern unsigned long KSTK_ESP(struct task_struct *task);
+
+/*
+ * User space RSP while inside the SYSCALL fast path
+ */
+DECLARE_PER_CPU(unsigned long, old_rsp);
+
 #endif /* CONFIG_X86_64 */
 
 extern void start_thread(struct pt_regs *regs, unsigned long new_ip,
diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h
index 35664547125..dcfde52979c 100644
--- a/arch/x86/include/asm/ptrace.h
+++ b/arch/x86/include/asm/ptrace.h
@@ -145,7 +145,6 @@ extern unsigned long
 convert_ip_to_linear(struct task_struct *child, struct pt_regs *regs);
 extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs,
                          int error_code, int si_code);
-void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
 
 extern long syscall_trace_enter(struct pt_regs *);
 extern void syscall_trace_leave(struct pt_regs *);
diff --git a/arch/x86/include/asm/sigcontext.h b/arch/x86/include/asm/sigcontext.h
index 04459d25e66..4a085383af2 100644
--- a/arch/x86/include/asm/sigcontext.h
+++ b/arch/x86/include/asm/sigcontext.h
@@ -230,34 +230,37 @@ struct sigcontext {
  * User-space might still rely on the old definition:
  */
 struct sigcontext {
-        unsigned long r8;
-        unsigned long r9;
-        unsigned long r10;
-        unsigned long r11;
-        unsigned long r12;
-        unsigned long r13;
-        unsigned long r14;
-        unsigned long r15;
-        unsigned long rdi;
-        unsigned long rsi;
-        unsigned long rbp;
-        unsigned long rbx;
-        unsigned long rdx;
-        unsigned long rax;
-        unsigned long rcx;
-        unsigned long rsp;
-        unsigned long rip;
-        unsigned long eflags;           /* RFLAGS */
-        unsigned short cs;
-        unsigned short gs;
-        unsigned short fs;
-        unsigned short __pad0;
-        unsigned long err;
-        unsigned long trapno;
-        unsigned long oldmask;
-        unsigned long cr2;
+        __u64 r8;
+        __u64 r9;
+        __u64 r10;
+        __u64 r11;
+        __u64 r12;
+        __u64 r13;
+        __u64 r14;
+        __u64 r15;
+        __u64 rdi;
+        __u64 rsi;
+        __u64 rbp;
+        __u64 rbx;
+        __u64 rdx;
+        __u64 rax;
+        __u64 rcx;
+        __u64 rsp;
+        __u64 rip;
+        __u64 eflags;           /* RFLAGS */
+        __u16 cs;
+        __u16 gs;
+        __u16 fs;
+        __u16 __pad0;
+        __u64 err;
+        __u64 trapno;
+        __u64 oldmask;
+        __u64 cr2;
         struct _fpstate __user *fpstate;        /* zero when no FPU context */
-        unsigned long reserved1[8];
+#ifndef __LP64__
+        __u32 __fpstate_pad;
+#endif
+        __u64 reserved1[8];
 };
 #endif /* !__KERNEL__ */
 
diff --git a/arch/x86/include/asm/sigframe.h b/arch/x86/include/asm/sigframe.h
index 4e0fe26d27d..7c7c27c97da 100644
--- a/arch/x86/include/asm/sigframe.h
+++ b/arch/x86/include/asm/sigframe.h
@@ -59,12 +59,25 @@ struct rt_sigframe_ia32 {
 #endif /* defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION) */
 
 #ifdef CONFIG_X86_64
+
 struct rt_sigframe {
         char __user *pretcode;
         struct ucontext uc;
         struct siginfo info;
         /* fp state follows here */
 };
+
+#ifdef CONFIG_X86_X32_ABI
+
+struct rt_sigframe_x32 {
+        u64 pretcode;
+        struct ucontext_x32 uc;
+        compat_siginfo_t info;
+        /* fp state follows here */
+};
+
+#endif /* CONFIG_X86_X32_ABI */
+
 #endif /* CONFIG_X86_64 */
 
 #endif /* _ASM_X86_SIGFRAME_H */
diff --git a/arch/x86/include/asm/sighandling.h b/arch/x86/include/asm/sighandling.h
new file mode 100644
index 00000000000..ada93b3b8c6
--- /dev/null
+++ b/arch/x86/include/asm/sighandling.h
@@ -0,0 +1,24 @@
+#ifndef _ASM_X86_SIGHANDLING_H
+#define _ASM_X86_SIGHANDLING_H
+
+#include <linux/compiler.h>
+#include <linux/ptrace.h>
+#include <linux/signal.h>
+
+#include <asm/processor-flags.h>
+
+#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
+
+#define __FIX_EFLAGS    (X86_EFLAGS_AC | X86_EFLAGS_OF | \
+                         X86_EFLAGS_DF | X86_EFLAGS_TF | X86_EFLAGS_SF | \
+                         X86_EFLAGS_ZF | X86_EFLAGS_AF | X86_EFLAGS_PF | \
+                         X86_EFLAGS_CF)
+
+void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
+
+int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,
+                       unsigned long *pax);
+int setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate,
+                     struct pt_regs *regs, unsigned long mask);
+
+#endif /* _ASM_X86_SIGHANDLING_H */
diff --git a/arch/x86/include/asm/sys_ia32.h b/arch/x86/include/asm/sys_ia32.h
index cb238526a9f..3fda9db4881 100644
--- a/arch/x86/include/asm/sys_ia32.h
+++ b/arch/x86/include/asm/sys_ia32.h
@@ -10,6 +10,8 @@
 #ifndef _ASM_X86_SYS_IA32_H
 #define _ASM_X86_SYS_IA32_H
 
+#ifdef CONFIG_COMPAT
+
 #include <linux/compiler.h>
 #include <linux/linkage.h>
 #include <linux/types.h>
@@ -36,8 +38,6 @@ asmlinkage long sys32_rt_sigaction(int, struct sigaction32 __user *,
                                    struct sigaction32 __user *, unsigned int);
 asmlinkage long sys32_sigaction(int, struct old_sigaction32 __user *,
                                 struct old_sigaction32 __user *);
-asmlinkage long sys32_rt_sigprocmask(int, compat_sigset_t __user *,
-                                     compat_sigset_t __user *, unsigned int);
 asmlinkage long sys32_alarm(unsigned int);
 
 asmlinkage long sys32_waitpid(compat_pid_t, unsigned int *, int);
@@ -83,4 +83,7 @@ asmlinkage long sys32_ipc(u32, int, int, int, compat_uptr_t, u32);
 
 asmlinkage long sys32_fanotify_mark(int, unsigned int, u32, u32, int,
                                     const char __user *);
+
+#endif /* CONFIG_COMPAT */
+
 #endif /* _ASM_X86_SYS_IA32_H */
diff --git a/arch/x86/include/asm/syscall.h b/arch/x86/include/asm/syscall.h
index d962e5652a7..386b78686c4 100644
--- a/arch/x86/include/asm/syscall.h
+++ b/arch/x86/include/asm/syscall.h
@@ -16,6 +16,7 @@
 #include <linux/sched.h>
 #include <linux/err.h>
 #include <asm/asm-offsets.h>    /* For NR_syscalls */
+#include <asm/unistd.h>
 
 extern const unsigned long sys_call_table[];
 
@@ -26,13 +27,13 @@ extern const unsigned long sys_call_table[];
  */
 static inline int syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
 {
-        return regs->orig_ax;
+        return regs->orig_ax & __SYSCALL_MASK;
 }
 
 static inline void syscall_rollback(struct task_struct *task,
                                     struct pt_regs *regs)
 {
-        regs->ax = regs->orig_ax;
+        regs->ax = regs->orig_ax & __SYSCALL_MASK;
 }
 
 static inline long syscall_get_error(struct task_struct *task,
diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index bc817cd8b44..ad6df8ccd71 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -86,7 +86,7 @@ struct thread_info {
 #define TIF_MCE_NOTIFY          10      /* notify userspace of an MCE */
 #define TIF_USER_RETURN_NOTIFY  11      /* notify kernel of userspace return */
 #define TIF_NOTSC               16      /* TSC is not accessible in userland */
-#define TIF_IA32                17      /* 32bit process */
+#define TIF_IA32                17      /* IA32 compatibility process */
 #define TIF_FORK                18      /* ret_from_fork */
 #define TIF_MEMDIE              20      /* is terminating due to OOM killer */
 #define TIF_DEBUG               21      /* uses debug registers */
@@ -95,6 +95,8 @@ struct thread_info {
 #define TIF_BLOCKSTEP           25      /* set when we want DEBUGCTLMSR_BTF */
 #define TIF_LAZY_MMU_UPDATES    27      /* task is updating the mmu lazily */
 #define TIF_SYSCALL_TRACEPOINT  28      /* syscall tracepoint instrumentation */
+#define TIF_ADDR32              29      /* 32-bit address space on 64 bits */
+#define TIF_X32                 30      /* 32-bit native x86-64 binary */
 
 #define _TIF_SYSCALL_TRACE      (1 << TIF_SYSCALL_TRACE)
 #define _TIF_NOTIFY_RESUME      (1 << TIF_NOTIFY_RESUME)
@@ -116,6 +118,8 @@ struct thread_info {
 #define _TIF_BLOCKSTEP          (1 << TIF_BLOCKSTEP)
 #define _TIF_LAZY_MMU_UPDATES   (1 << TIF_LAZY_MMU_UPDATES)
 #define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT)
+#define _TIF_ADDR32             (1 << TIF_ADDR32)
+#define _TIF_X32                (1 << TIF_X32)
 
 /* work to do in syscall_trace_enter() */
 #define _TIF_WORK_SYSCALL_ENTRY \
@@ -247,8 +251,6 @@ static inline struct thread_info *current_thread_info(void)
  * ever touches our thread-synchronous status, so we don't
  * have to worry about atomic accesses.
  */
-#define TS_USEDFPU              0x0001  /* FPU was used by this task
-                                           this quantum (SMP) */
 #define TS_COMPAT               0x0002  /* 32bit syscall active (64BIT)*/
 #define TS_POLLING              0x0004  /* idle task polling need_resched,
                                            skip sending interrupt */
@@ -264,6 +266,18 @@ static inline void set_restore_sigmask(void)
         ti->status |= TS_RESTORE_SIGMASK;
         set_bit(TIF_SIGPENDING, (unsigned long *)&ti->flags);
 }
+
+static inline bool is_ia32_task(void)
+{
+#ifdef CONFIG_X86_32
+        return true;
+#endif
+#ifdef CONFIG_IA32_EMULATION
+        if (current_thread_info()->status & TS_COMPAT)
+                return true;
+#endif
+        return false;
+}
 #endif  /* !__ASSEMBLY__ */
 
 #ifndef __ASSEMBLY__
diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h
index 0012d0902c5..88eae2aec61 100644
--- a/arch/x86/include/asm/traps.h
+++ b/arch/x86/include/asm/traps.h
@@ -89,4 +89,29 @@ asmlinkage void smp_thermal_interrupt(void);
 asmlinkage void mce_threshold_interrupt(void);
 #endif
 
+/* Interrupts/Exceptions */
+enum {
+        X86_TRAP_DE = 0,        /*  0, Divide-by-zero */
+        X86_TRAP_DB,            /*  1, Debug */
+        X86_TRAP_NMI,           /*  2, Non-maskable Interrupt */
+        X86_TRAP_BP,            /*  3, Breakpoint */
+        X86_TRAP_OF,            /*  4, Overflow */
+        X86_TRAP_BR,            /*  5, Bound Range Exceeded */
+        X86_TRAP_UD,            /*  6, Invalid Opcode */
+        X86_TRAP_NM,            /*  7, Device Not Available */
+        X86_TRAP_DF,            /*  8, Double Fault */
+        X86_TRAP_OLD_MF,        /*  9, Coprocessor Segment Overrun */
+        X86_TRAP_TS,            /* 10, Invalid TSS */
+        X86_TRAP_NP,            /* 11, Segment Not Present */
+        X86_TRAP_SS,            /* 12, Stack Segment Fault */
+        X86_TRAP_GP,            /* 13, General Protection Fault */
+        X86_TRAP_PF,            /* 14, Page Fault */
+        X86_TRAP_SPURIOUS,      /* 15, Spurious Interrupt */
+        X86_TRAP_MF,            /* 16, x87 Floating-Point Exception */
+        X86_TRAP_AC,            /* 17, Alignment Check */
+        X86_TRAP_MC,            /* 18, Machine Check */
+        X86_TRAP_XF,            /* 19, SIMD Floating-Point Exception */
+        X86_TRAP_IRET = 32,     /* 32, IRET Exception */
+};
+
 #endif /* _ASM_X86_TRAPS_H */
diff --git a/arch/x86/include/asm/unistd.h b/arch/x86/include/asm/unistd.h
index 21f77b89e47..37cdc9d99bb 100644
--- a/arch/x86/include/asm/unistd.h
+++ b/arch/x86/include/asm/unistd.h
@@ -1,7 +1,17 @@
 #ifndef _ASM_X86_UNISTD_H
 #define _ASM_X86_UNISTD_H 1
 
+/* x32 syscall flag bit */
+#define __X32_SYSCALL_BIT       0x40000000
+
 #ifdef __KERNEL__
+
+# ifdef CONFIG_X86_X32_ABI
+#  define __SYSCALL_MASK (~(__X32_SYSCALL_BIT))
+# else
+#  define __SYSCALL_MASK (~0)
+# endif
+
 # ifdef CONFIG_X86_32
 
 #  include <asm/unistd_32.h>
@@ -14,6 +24,7 @@
 # else
 
 #  include <asm/unistd_64.h>
+#  include <asm/unistd_64_x32.h>
 #  define __ARCH_WANT_COMPAT_SYS_TIME
 
 # endif
@@ -52,8 +63,10 @@
 #else
 # ifdef __i386__
 #  include <asm/unistd_32.h>
-# else
+# elif defined(__LP64__)
 #  include <asm/unistd_64.h>
+# else
+#  include <asm/unistd_x32.h>
 # endif
 #endif
 
diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c
index 834e897b1e2..1b4754f82ba 100644
--- a/arch/x86/kernel/asm-offsets_64.c
+++ b/arch/x86/kernel/asm-offsets_64.c
@@ -1,6 +1,12 @@
 #include <asm/ia32.h>
 
 #define __SYSCALL_64(nr, sym, compat) [nr] = 1,
+#define __SYSCALL_COMMON(nr, sym, compat) [nr] = 1,
+#ifdef CONFIG_X86_X32_ABI
+# define __SYSCALL_X32(nr, sym, compat) [nr] = 1,
+#else
+# define __SYSCALL_X32(nr, sym, compat) /* nothing */
+#endif
 static char syscalls_64[] = {
 #include <asm/syscalls_64.h>
 };
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index d43cad74f16..c0f7d68d318 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1044,6 +1044,9 @@ DEFINE_PER_CPU(char *, irq_stack_ptr) =
 
 DEFINE_PER_CPU(unsigned int, irq_count) = -1;
 
+DEFINE_PER_CPU(struct task_struct *, fpu_owner_task);
+EXPORT_PER_CPU_SYMBOL(fpu_owner_task);
+
 /*
  * Special IST stacks which the CPU switches to when it calls
  * an IST-marked descriptor entry. Up to 7 stacks (hardware
@@ -1111,6 +1114,8 @@ void debug_stack_reset(void)
 
 DEFINE_PER_CPU(struct task_struct *, current_task) = &init_task;
 EXPORT_PER_CPU_SYMBOL(current_task);
+DEFINE_PER_CPU(struct task_struct *, fpu_owner_task);
+EXPORT_PER_CPU_SYMBOL(fpu_owner_task);
 
 #ifdef CONFIG_CC_STACKPROTECTOR
 DEFINE_PER_CPU_ALIGNED(struct stack_canary, stack_canary);
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index 6b45e5e7a90..73d08ed98a6 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -326,8 +326,7 @@ static void __cpuinit amd_calc_l3_indices(struct amd_northbridge *nb)
         l3->indices = (max(max3(sc0, sc1, sc2), sc3) << 10) - 1;
 }
 
-static void __cpuinit amd_init_l3_cache(struct _cpuid4_info_regs *this_leaf,
-                                        int index)
+static void __cpuinit amd_init_l3_cache(struct _cpuid4_info_regs *this_leaf, int index)
 {
         int node;
 
@@ -725,14 +724,16 @@ static DEFINE_PER_CPU(struct _cpuid4_info *, ici_cpuid4_info);
 #define CPUID4_INFO_IDX(x, y)   (&((per_cpu(ici_cpuid4_info, x))[y]))
 
 #ifdef CONFIG_SMP
-static void __cpuinit cache_shared_cpu_map_setup(unsigned int cpu, int index)
+
+static int __cpuinit cache_shared_amd_cpu_map_setup(unsigned int cpu, int index)
 {
-        struct _cpuid4_info     *this_leaf, *sibling_leaf;
-        unsigned long num_threads_sharing;
-        int index_msb, i, sibling;
+        struct _cpuid4_info *this_leaf;
+        int ret, i, sibling;
         struct cpuinfo_x86 *c = &cpu_data(cpu);
 
-        if ((index == 3) && (c->x86_vendor == X86_VENDOR_AMD)) {
+        ret = 0;
+        if (index == 3) {
+                ret = 1;
                 for_each_cpu(i, cpu_llc_shared_mask(cpu)) {
                         if (!per_cpu(ici_cpuid4_info, i))
                                 continue;
@@ -743,8 +744,35 @@ static void __cpuinit cache_shared_cpu_map_setup(unsigned int cpu, int index)
                                 set_bit(sibling, this_leaf->shared_cpu_map);
                         }
                 }
-                return;
+        } else if ((c->x86 == 0x15) && ((index == 1) || (index == 2))) {
+                ret = 1;
+                for_each_cpu(i, cpu_sibling_mask(cpu)) {
+                        if (!per_cpu(ici_cpuid4_info, i))
+                                continue;
+                        this_leaf = CPUID4_INFO_IDX(i, index);
+                        for_each_cpu(sibling, cpu_sibling_mask(cpu)) {
+                                if (!cpu_online(sibling))
+                                        continue;
+                                set_bit(sibling, this_leaf->shared_cpu_map);
+                        }
+                }
         }
+
+        return ret;
+}
+
+static void __cpuinit cache_shared_cpu_map_setup(unsigned int cpu, int index)
+{
+        struct _cpuid4_info *this_leaf, *sibling_leaf;
+        unsigned long num_threads_sharing;
+        int index_msb, i;
+        struct cpuinfo_x86 *c = &cpu_data(cpu);
+
+        if (c->x86_vendor == X86_VENDOR_AMD) {
+                if (cache_shared_amd_cpu_map_setup(cpu, index))
+                        return;
+        }
+
         this_leaf = CPUID4_INFO_IDX(cpu, index);
         num_threads_sharing = 1 + this_leaf->base.eax.split.num_threads_sharing;
 
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c
index 786e76a8632..e4eeaaf58a4 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_amd.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c
@@ -528,6 +528,7 @@ static __cpuinit int threshold_create_bank(unsigned int cpu, unsigned int bank)
 
         sprintf(name, "threshold_bank%i", bank);
 
+#ifdef CONFIG_SMP
         if (cpu_data(cpu).cpu_core_id && shared_bank[bank]) {   /* symlink */
                 i = cpumask_first(cpu_llc_shared_mask(cpu));
 
@@ -553,6 +554,7 @@ static __cpuinit int threshold_create_bank(unsigned int cpu, unsigned int bank)
 
                 goto out;
         }
+#endif
 
         b = kzalloc(sizeof(struct threshold_bank), GFP_KERNEL);
         if (!b) {
diff --git a/arch/x86/kernel/cpu/mtrr/if.c b/arch/x86/kernel/cpu/mtrr/if.c
index 79289632cb2..a041e094b8b 100644
--- a/arch/x86/kernel/cpu/mtrr/if.c
+++ b/arch/x86/kernel/cpu/mtrr/if.c
@@ -167,6 +167,7 @@ mtrr_ioctl(struct file *file, unsigned int cmd, unsigned long __arg)
 {
         int err = 0;
         mtrr_type type;
+        unsigned long base;
         unsigned long size;
         struct mtrr_sentry sentry;
         struct mtrr_gentry gentry;
@@ -267,14 +268,14 @@ mtrr_ioctl(struct file *file, unsigned int cmd, unsigned long __arg)
 #endif
                 if (gentry.regnum >= num_var_ranges)
                         return -EINVAL;
-                mtrr_if->get(gentry.regnum, &gentry.base, &size, &type);
+                mtrr_if->get(gentry.regnum, &base, &size, &type);
 
                 /* Hide entries that go above 4GB */
-                if (gentry.base + size - 1 >= (1UL << (8 * sizeof(gentry.size) - PAGE_SHIFT))
+                if (base + size - 1 >= (1UL << (8 * sizeof(gentry.size) - PAGE_SHIFT))
                     || size >= (1UL << (8 * sizeof(gentry.size) - PAGE_SHIFT)))
                         gentry.base = gentry.size = gentry.type = 0;
                 else {
-                        gentry.base <<= PAGE_SHIFT;
+                        gentry.base = base << PAGE_SHIFT;
                         gentry.size = size << PAGE_SHIFT;
                         gentry.type = type;
                 }
@@ -321,11 +322,12 @@ mtrr_ioctl(struct file *file, unsigned int cmd, unsigned long __arg)
 #endif
                 if (gentry.regnum >= num_var_ranges)
                         return -EINVAL;
-                mtrr_if->get(gentry.regnum, &gentry.base, &size, &type);
+                mtrr_if->get(gentry.regnum, &base, &size, &type);
                 /* Hide entries that would overflow */
                 if (size != (__typeof__(gentry.size))size)
                         gentry.base = gentry.size = gentry.type = 0;
                 else {
+                        gentry.base = base;
                         gentry.size = size;
                         gentry.type = type;
                 }
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 3c44b712380..1c52bdbb9b8 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -29,7 +29,6 @@
 #include <asm/apic.h>
 #include <asm/stacktrace.h>
 #include <asm/nmi.h>
-#include <asm/compat.h>
 #include <asm/smp.h>
 #include <asm/alternative.h>
 #include <asm/timer.h>
@@ -988,6 +987,9 @@ static void x86_pmu_start(struct perf_event *event, int flags)
         struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
         int idx = event->hw.idx;
 
+        if (WARN_ON_ONCE(!(event->hw.state & PERF_HES_STOPPED)))
+                return;
+
         if (WARN_ON_ONCE(idx == -1))
                 return;
 
@@ -1674,6 +1676,9 @@ perf_callchain_kernel(struct perf_callchain_entry *entry, struct pt_regs *regs)
 }
 
 #ifdef CONFIG_COMPAT
+
+#include <asm/compat.h>
+
 static inline int
 perf_callchain_user32(struct pt_regs *regs, struct perf_callchain_entry *entry)
 {
diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h
index 513d617b93c..82db83b5c3b 100644
--- a/arch/x86/kernel/cpu/perf_event.h
+++ b/arch/x86/kernel/cpu/perf_event.h
@@ -147,7 +147,9 @@ struct cpu_hw_events {
         /*
          * AMD specific bits
          */
-        struct amd_nb           *amd_nb;
+        struct amd_nb                   *amd_nb;
+        /* Inverted mask of bits to clear in the perf_ctr ctrl registers */
+        u64                             perf_ctr_virt_mask;
 
         void                            *kfree_on_online;
 };
@@ -425,9 +427,11 @@ void x86_pmu_disable_all(void);
 static inline void __x86_pmu_enable_event(struct hw_perf_event *hwc,
                                           u64 enable_mask)
 {
+        u64 disable_mask = __this_cpu_read(cpu_hw_events.perf_ctr_virt_mask);
+
         if (hwc->extra_reg.reg)
                 wrmsrl(hwc->extra_reg.reg, hwc->extra_reg.config);
-        wrmsrl(hwc->config_base, hwc->config | enable_mask);
+        wrmsrl(hwc->config_base, (hwc->config | enable_mask) & ~disable_mask);
 }
 
 void x86_pmu_enable_all(int added);
diff --git a/arch/x86/kernel/cpu/perf_event_amd.c b/arch/x86/kernel/cpu/perf_event_amd.c
index 0397b23be8e..67250a52430 100644
--- a/arch/x86/kernel/cpu/perf_event_amd.c
+++ b/arch/x86/kernel/cpu/perf_event_amd.c
@@ -1,4 +1,5 @@
 #include <linux/perf_event.h>
+#include <linux/export.h>
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/slab.h>
@@ -357,7 +358,9 @@ static void amd_pmu_cpu_starting(int cpu)
         struct amd_nb *nb;
         int i, nb_id;
 
-        if (boot_cpu_data.x86_max_cores < 2)
+        cpuc->perf_ctr_virt_mask = AMD_PERFMON_EVENTSEL_HOSTONLY;
+
+        if (boot_cpu_data.x86_max_cores < 2 || boot_cpu_data.x86 == 0x15)
                 return;
 
         nb_id = amd_get_nb_id(cpu);
@@ -587,9 +590,9 @@ static __initconst const struct x86_pmu amd_pmu_f15h = {
         .put_event_constraints  = amd_put_event_constraints,
 
         .cpu_prepare            = amd_pmu_cpu_prepare,
-        .cpu_starting           = amd_pmu_cpu_starting,
         .cpu_dead               = amd_pmu_cpu_dead,
 #endif
+        .cpu_starting           = amd_pmu_cpu_starting,
 };
 
 __init int amd_pmu_init(void)
@@ -621,3 +624,33 @@ __init int amd_pmu_init(void)
 
         return 0;
 }
+
+void amd_pmu_enable_virt(void)
+{
+        struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+
+        cpuc->perf_ctr_virt_mask = 0;
+
+        /* Reload all events */
+        x86_pmu_disable_all();
+        x86_pmu_enable_all(0);
+}
+EXPORT_SYMBOL_GPL(amd_pmu_enable_virt);
+
+void amd_pmu_disable_virt(void)
+{
+        struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+
+        /*
+         * We only mask out the Host-only bit so that host-only counting works
+         * when SVM is disabled. If someone sets up a guest-only counter when
+         * SVM is disabled the Guest-only bits still gets set and the counter
+         * will not count anything.
+         */
+        cpuc->perf_ctr_virt_mask = AMD_PERFMON_EVENTSEL_HOSTONLY;
+
+        /* Reload all events */
+        x86_pmu_disable_all();
+        x86_pmu_enable_all(0);
+}
+EXPORT_SYMBOL_GPL(amd_pmu_disable_virt);
diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c
index 4025fe4f928..28f98706b08 100644
--- a/arch/x86/kernel/dumpstack.c
+++ b/arch/x86/kernel/dumpstack.c
@@ -265,7 +265,7 @@ int __kprobes __die(const char *str, struct pt_regs *regs, long err)
 #endif
         printk("\n");
         if (notify_die(DIE_OOPS, str, regs, err,
-                        current->thread.trap_no, SIGSEGV) == NOTIFY_STOP)
+                        current->thread.trap_nr, SIGSEGV) == NOTIFY_STOP)
                 return 1;
 
         show_registers(regs);
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 3fe8239fd8f..2925e14fb1d 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -482,7 +482,12 @@ GLOBAL(system_call_after_swapgs)
         testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
         jnz tracesys
 system_call_fastpath:
+#if __SYSCALL_MASK == ~0
         cmpq $__NR_syscall_max,%rax
+#else
+        andl $__SYSCALL_MASK,%eax
+        cmpl $__NR_syscall_max,%eax
+#endif
         ja badsys
         movq %r10,%rcx
         call *sys_call_table(,%rax,8)  # XXX:    rip relative
@@ -596,7 +601,12 @@ tracesys:
          */
         LOAD_ARGS ARGOFFSET, 1
         RESTORE_REST
+#if __SYSCALL_MASK == ~0
         cmpq $__NR_syscall_max,%rax
+#else
+        andl $__SYSCALL_MASK,%eax
+        cmpl $__NR_syscall_max,%eax
+#endif
         ja   int_ret_from_sys_call      /* RAX(%rsp) set to -ENOSYS above */
         movq %r10,%rcx  /* fixup for C */
         call *sys_call_table(,%rax,8)
@@ -736,6 +746,40 @@ ENTRY(stub_rt_sigreturn)
         CFI_ENDPROC
 END(stub_rt_sigreturn)
 
+#ifdef CONFIG_X86_X32_ABI
+        PTREGSCALL stub_x32_sigaltstack, sys32_sigaltstack, %rdx
+
+ENTRY(stub_x32_rt_sigreturn)
+        CFI_STARTPROC
+        addq $8, %rsp
+        PARTIAL_FRAME 0
+        SAVE_REST
+        movq %rsp,%rdi
+        FIXUP_TOP_OF_STACK %r11
+        call sys32_x32_rt_sigreturn
+        movq %rax,RAX(%rsp) # fixme, this could be done at the higher layer
+        RESTORE_REST
+        jmp int_ret_from_sys_call
+        CFI_ENDPROC
+END(stub_x32_rt_sigreturn)
+
+ENTRY(stub_x32_execve)
+        CFI_STARTPROC
+        addq $8, %rsp
+        PARTIAL_FRAME 0
+        SAVE_REST
+        FIXUP_TOP_OF_STACK %r11
+        movq %rsp, %rcx
+        call sys32_execve
+        RESTORE_TOP_OF_STACK %r11
+        movq %rax,RAX(%rsp)
+        RESTORE_REST
+        jmp int_ret_from_sys_call
+        CFI_ENDPROC
+END(stub_x32_execve)
+
+#endif
+
 /*
  * Build the entry stubs and pointer table with some assembler magic.
  * We pack 7 stubs into a single 32-byte chunk, which will fit in a
@@ -1532,10 +1576,17 @@ ENTRY(nmi)
         pushq_cfi %rdx
 
         /*
+         * If %cs was not the kernel segment, then the NMI triggered in user
+         * space, which means it is definitely not nested.
+         */
+        cmpl $__KERNEL_CS, 16(%rsp)
+        jne first_nmi
+
+        /*
          * Check the special variable on the stack to see if NMIs are
          * executing.
          */
-        cmp $1, -8(%rsp)
+        cmpl $1, -8(%rsp)
         je nested_nmi
 
         /*
diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c
index 313fb5cddbc..7b77062dea1 100644
--- a/arch/x86/kernel/irqinit.c
+++ b/arch/x86/kernel/irqinit.c
@@ -61,7 +61,7 @@ static irqreturn_t math_error_irq(int cpl, void *dev_id)
         outb(0, 0xF0);
         if (ignore_fpu_irq || !boot_cpu_data.hard_math)
                 return IRQ_NONE;
-        math_error(get_irq_regs(), 0, 16);
+        math_error(get_irq_regs(), 0, X86_TRAP_MF);
         return IRQ_HANDLED;
 }
 
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index ac0417be913..73465aab28f 100644
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -360,7 +360,6 @@ out:
 static enum ucode_state
 request_microcode_user(int cpu, const void __user *buf, size_t size)
 {
-        pr_info("AMD microcode update via /dev/cpu/microcode not supported\n");
         return UCODE_ERROR;
 }
 
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index 485204f58cd..c08d1ff12b7 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -214,6 +214,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
 
         task_user_gs(p) = get_user_gs(regs);
 
+        p->fpu_counter = 0;
         p->thread.io_bitmap_ptr = NULL;
         tsk = current;
         err = -ENOMEM;
@@ -299,22 +300,11 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
                                  *next = &next_p->thread;
         int cpu = smp_processor_id();
         struct tss_struct *tss = &per_cpu(init_tss, cpu);
-        bool preload_fpu;
+        fpu_switch_t fpu;
 
         /* never put a printk in __switch_to... printk() calls wake_up*() indirectly */
 
-        /*
-         * If the task has used fpu the last 5 timeslices, just do a full
-         * restore of the math state immediately to avoid the trap; the
-         * chances of needing FPU soon are obviously high now
-         */
-        preload_fpu = tsk_used_math(next_p) && next_p->fpu_counter > 5;
-
-        __unlazy_fpu(prev_p);
-
-        /* we're going to use this soon, after a few expensive things */
-        if (preload_fpu)
-                prefetch(next->fpu.state);
+        fpu = switch_fpu_prepare(prev_p, next_p, cpu);
 
         /*
          * Reload esp0.
@@ -354,11 +344,6 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
                      task_thread_info(next_p)->flags & _TIF_WORK_CTXSW_NEXT))
                 __switch_to_xtra(prev_p, next_p, tss);
 
-        /* If we're going to preload the fpu context, make sure clts
-           is run while we're batching the cpu state updates. */
-        if (preload_fpu)
-                clts();
-
         /*
          * Leave lazy mode, flushing any hypercalls made here.
          * This must be done before restoring TLS segments so
@@ -368,15 +353,14 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
          */
         arch_end_context_switch(next_p);
 
-        if (preload_fpu)
-                __math_state_restore();
-
         /*
          * Restore %gs if needed (which is common)
          */
         if (prev->gs | next->gs)
                 lazy_load_gs(next->gs);
 
+        switch_fpu_finish(next_p, fpu);
+
         percpu_write(current_task, next_p);
 
         return prev_p;
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 9b9fe4a85c8..550e77b1b94 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -286,6 +286,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
 
         set_tsk_thread_flag(p, TIF_FORK);
 
+        p->fpu_counter = 0;
         p->thread.io_bitmap_ptr = NULL;
 
         savesegment(gs, p->thread.gsindex);
@@ -364,7 +365,9 @@ start_thread(struct pt_regs *regs, unsigned long new_ip, unsigned long new_sp)
 void start_thread_ia32(struct pt_regs *regs, u32 new_ip, u32 new_sp)
 {
         start_thread_common(regs, new_ip, new_sp,
-                            __USER32_CS, __USER32_DS, __USER32_DS);
+                            test_thread_flag(TIF_X32)
+                            ? __USER_CS : __USER32_CS,
+                            __USER_DS, __USER_DS);
 }
 #endif
 
@@ -386,18 +389,9 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
         int cpu = smp_processor_id();
         struct tss_struct *tss = &per_cpu(init_tss, cpu);
         unsigned fsindex, gsindex;
-        bool preload_fpu;
+        fpu_switch_t fpu;
 
-        /*
-         * If the task has used fpu the last 5 timeslices, just do a full
-         * restore of the math state immediately to avoid the trap; the
-         * chances of needing FPU soon are obviously high now
-         */
-        preload_fpu = tsk_used_math(next_p) && next_p->fpu_counter > 5;
-
-        /* we're going to use this soon, after a few expensive things */
-        if (preload_fpu)
-                prefetch(next->fpu.state);
+        fpu = switch_fpu_prepare(prev_p, next_p, cpu);
 
         /*
          * Reload esp0, LDT and the page table pointer:
@@ -427,13 +421,6 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
 
         load_TLS(next, cpu);
 
-        /* Must be after DS reload */
-        __unlazy_fpu(prev_p);
-
-        /* Make sure cpu is ready for new context */
-        if (preload_fpu)
-                clts();
-
         /*
          * Leave lazy mode, flushing any hypercalls made here.
          * This must be done before restoring TLS segments so
@@ -474,6 +461,8 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
                 wrmsrl(MSR_KERNEL_GS_BASE, next->gs);
         prev->gsindex = gsindex;
 
+        switch_fpu_finish(next_p, fpu);
+
         /*
          * Switch the PDA and FPU contexts.
          */
@@ -492,13 +481,6 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
                      task_thread_info(prev_p)->flags & _TIF_WORK_CTXSW_PREV))
                 __switch_to_xtra(prev_p, next_p, tss);
 
-        /*
-         * Preload the FPU context, now that we've determined that the
-         * task is likely to be using it. 
-         */
-        if (preload_fpu)
-                __math_state_restore();
-
         return prev_p;
 }
 
@@ -508,6 +490,8 @@ void set_personality_64bit(void)
 
         /* Make sure to be in 64bit mode */
         clear_thread_flag(TIF_IA32);
+        clear_thread_flag(TIF_ADDR32);
+        clear_thread_flag(TIF_X32);
 
         /* Ensure the corresponding mm is not marked. */
         if (current->mm)
@@ -520,20 +504,31 @@ void set_personality_64bit(void)
         current->personality &= ~READ_IMPLIES_EXEC;
 }
 
-void set_personality_ia32(void)
+void set_personality_ia32(bool x32)
 {
         /* inherit personality from parent */
 
         /* Make sure to be in 32bit mode */
-        set_thread_flag(TIF_IA32);
-        current->personality |= force_personality32;
+        set_thread_flag(TIF_ADDR32);
 
         /* Mark the associated mm as containing 32-bit tasks. */
         if (current->mm)
                 current->mm->context.ia32_compat = 1;
 
-        /* Prepare the first "return" to user space */
-        current_thread_info()->status |= TS_COMPAT;
+        if (x32) {
+                clear_thread_flag(TIF_IA32);
+                set_thread_flag(TIF_X32);
+                current->personality &= ~READ_IMPLIES_EXEC;
+                /* is_compat_task() uses the presence of the x32
+                   syscall bit flag to determine compat status */
+                current_thread_info()->status &= ~TS_COMPAT;
+        } else {
+                set_thread_flag(TIF_IA32);
+                clear_thread_flag(TIF_X32);
+                current->personality |= force_personality32;
+                /* Prepare the first "return" to user space */
+                current_thread_info()->status |= TS_COMPAT;
+        }
 }
 
 unsigned long get_wchan(struct task_struct *p)
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 50267386b76..6fb330adc7c 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -33,6 +33,7 @@
 #include <asm/prctl.h>
 #include <asm/proto.h>
 #include <asm/hw_breakpoint.h>
+#include <asm/traps.h>
 
 #include "tls.h"
 
@@ -1130,6 +1131,100 @@ static int genregs32_set(struct task_struct *target,
         return ret;
 }
 
+#ifdef CONFIG_X86_X32_ABI
+static long x32_arch_ptrace(struct task_struct *child,
+                            compat_long_t request, compat_ulong_t caddr,
+                            compat_ulong_t cdata)
+{
+        unsigned long addr = caddr;
+        unsigned long data = cdata;
+        void __user *datap = compat_ptr(data);
+        int ret;
+
+        switch (request) {
+        /* Read 32bits at location addr in the USER area.  Only allow
+           to return the lower 32bits of segment and debug registers.  */
+        case PTRACE_PEEKUSR: {
+                u32 tmp;
+
+                ret = -EIO;
+                if ((addr & (sizeof(data) - 1)) || addr >= sizeof(struct user) ||
+                    addr < offsetof(struct user_regs_struct, cs))
+                        break;
+
+                tmp = 0;  /* Default return condition */
+                if (addr < sizeof(struct user_regs_struct))
+                        tmp = getreg(child, addr);
+                else if (addr >= offsetof(struct user, u_debugreg[0]) &&
+                         addr <= offsetof(struct user, u_debugreg[7])) {
+                        addr -= offsetof(struct user, u_debugreg[0]);
+                        tmp = ptrace_get_debugreg(child, addr / sizeof(data));
+                }
+                ret = put_user(tmp, (__u32 __user *)datap);
+                break;
+        }
+
+        /* Write the word at location addr in the USER area.  Only allow
+           to update segment and debug registers with the upper 32bits
+           zero-extended. */
+        case PTRACE_POKEUSR:
+                ret = -EIO;
+                if ((addr & (sizeof(data) - 1)) || addr >= sizeof(struct user) ||
+                    addr < offsetof(struct user_regs_struct, cs))
+                        break;
+
+                if (addr < sizeof(struct user_regs_struct))
+                        ret = putreg(child, addr, data);
+                else if (addr >= offsetof(struct user, u_debugreg[0]) &&
+                         addr <= offsetof(struct user, u_debugreg[7])) {
+                        addr -= offsetof(struct user, u_debugreg[0]);
+                        ret = ptrace_set_debugreg(child,
+                                                  addr / sizeof(data), data);
+                }
+                break;
+
+        case PTRACE_GETREGS:    /* Get all gp regs from the child. */
+                return copy_regset_to_user(child,
+                                           task_user_regset_view(current),
+                                           REGSET_GENERAL,
+                                           0, sizeof(struct user_regs_struct),
+                                           datap);
+
+        case PTRACE_SETREGS:    /* Set all gp regs in the child. */
+                return copy_regset_from_user(child,
+                                             task_user_regset_view(current),
+                                             REGSET_GENERAL,
+                                             0, sizeof(struct user_regs_struct),
+                                             datap);
+
+        case PTRACE_GETFPREGS:  /* Get the child FPU state. */
+                return copy_regset_to_user(child,
+                                           task_user_regset_view(current),
+                                           REGSET_FP,
+                                           0, sizeof(struct user_i387_struct),
+                                           datap);
+
+        case PTRACE_SETFPREGS:  /* Set the child FPU state. */
+                return copy_regset_from_user(child,
+                                             task_user_regset_view(current),
+                                             REGSET_FP,
+                                             0, sizeof(struct user_i387_struct),
+                                             datap);
+
+                /* normal 64bit interface to access TLS data.
+                   Works just like arch_prctl, except that the arguments
+                   are reversed. */
+        case PTRACE_ARCH_PRCTL:
+                return do_arch_prctl(child, data, addr);
+
+        default:
+                return compat_ptrace_request(child, request, addr, data);
+        }
+
+        return ret;
+}
+#endif
+
 long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
                         compat_ulong_t caddr, compat_ulong_t cdata)
 {
@@ -1139,6 +1234,11 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
         int ret;
         __u32 val;
 
+#ifdef CONFIG_X86_X32_ABI
+        if (!is_ia32_task())
+                return x32_arch_ptrace(child, request, caddr, cdata);
+#endif
+
         switch (request) {
         case PTRACE_PEEKUSR:
                 ret = getreg32(child, addr, &val);
@@ -1326,7 +1426,7 @@ static void fill_sigtrap_info(struct task_struct *tsk,
                                 int error_code, int si_code,
                                 struct siginfo *info)
 {
-        tsk->thread.trap_no = 1;
+        tsk->thread.trap_nr = X86_TRAP_DB;
         tsk->thread.error_code = error_code;
 
         memset(info, 0, sizeof(*info));
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index 46a01bdc27e..9c73acc1c86 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -10,10 +10,8 @@
 #include <linux/mm.h>
 #include <linux/smp.h>
 #include <linux/kernel.h>
-#include <linux/signal.h>
 #include <linux/errno.h>
 #include <linux/wait.h>
-#include <linux/ptrace.h>
 #include <linux/tracehook.h>
 #include <linux/unistd.h>
 #include <linux/stddef.h>
@@ -26,10 +24,12 @@
 #include <asm/i387.h>
 #include <asm/vdso.h>
 #include <asm/mce.h>
+#include <asm/sighandling.h>
 
 #ifdef CONFIG_X86_64
 #include <asm/proto.h>
 #include <asm/ia32_unistd.h>
+#include <asm/sys_ia32.h>
 #endif /* CONFIG_X86_64 */
 
 #include <asm/syscall.h>
@@ -37,13 +37,6 @@
 
 #include <asm/sigframe.h>
 
-#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
-
-#define __FIX_EFLAGS    (X86_EFLAGS_AC | X86_EFLAGS_OF | \
-                         X86_EFLAGS_DF | X86_EFLAGS_TF | X86_EFLAGS_SF | \
-                         X86_EFLAGS_ZF | X86_EFLAGS_AF | X86_EFLAGS_PF | \
-                         X86_EFLAGS_CF)
-
 #ifdef CONFIG_X86_32
 # define FIX_EFLAGS     (__FIX_EFLAGS | X86_EFLAGS_RF)
 #else
@@ -68,9 +61,8 @@
         regs->seg = GET_SEG(seg) | 3;                   \
 } while (0)
 
-static int
-restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,
-                   unsigned long *pax)
+int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,
+                       unsigned long *pax)
 {
         void __user *buf;
         unsigned int tmpflags;
@@ -125,9 +117,8 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,
         return err;
 }
 
-static int
-setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate,
-                 struct pt_regs *regs, unsigned long mask)
+int setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate,
+                     struct pt_regs *regs, unsigned long mask)
 {
         int err = 0;
 
@@ -159,7 +150,7 @@ setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate,
                 put_user_ex(regs->r15, &sc->r15);
 #endif /* CONFIG_X86_64 */
 
-                put_user_ex(current->thread.trap_no, &sc->trapno);
+                put_user_ex(current->thread.trap_nr, &sc->trapno);
                 put_user_ex(current->thread.error_code, &sc->err);
                 put_user_ex(regs->ip, &sc->ip);
 #ifdef CONFIG_X86_32
@@ -642,6 +633,16 @@ static int signr_convert(int sig)
 #define is_ia32 0
 #endif /* CONFIG_IA32_EMULATION */
 
+#ifdef CONFIG_X86_X32_ABI
+#define is_x32  test_thread_flag(TIF_X32)
+
+static int x32_setup_rt_frame(int sig, struct k_sigaction *ka,
+                              siginfo_t *info, compat_sigset_t *set,
+                              struct pt_regs *regs);
+#else /* !CONFIG_X86_X32_ABI */
+#define is_x32  0
+#endif /* CONFIG_X86_X32_ABI */
+
 int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
                 sigset_t *set, struct pt_regs *regs);
 int ia32_setup_frame(int sig, struct k_sigaction *ka,
@@ -666,8 +667,14 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
                         ret = ia32_setup_rt_frame(usig, ka, info, set, regs);
                 else
                         ret = ia32_setup_frame(usig, ka, set, regs);
-        } else
+#ifdef CONFIG_X86_X32_ABI
+        } else if (is_x32) {
+                ret = x32_setup_rt_frame(usig, ka, info,
+                                         (compat_sigset_t *)set, regs);
+#endif
+        } else {
                 ret = __setup_rt_frame(sig, ka, info, set, regs);
+        }
 
         if (ret) {
                 force_sigsegv(sig, current);
@@ -850,3 +857,102 @@ void signal_fault(struct pt_regs *regs, void __user *frame, char *where)
 
         force_sig(SIGSEGV, me);
 }
+
+#ifdef CONFIG_X86_X32_ABI
+static int x32_setup_rt_frame(int sig, struct k_sigaction *ka,
+                              siginfo_t *info, compat_sigset_t *set,
+                              struct pt_regs *regs)
+{
+        struct rt_sigframe_x32 __user *frame;
+        void __user *restorer;
+        int err = 0;
+        void __user *fpstate = NULL;
+
+        frame = get_sigframe(ka, regs, sizeof(*frame), &fpstate);
+
+        if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
+                return -EFAULT;
+
+        if (ka->sa.sa_flags & SA_SIGINFO) {
+                if (copy_siginfo_to_user32(&frame->info, info))
+                        return -EFAULT;
+        }
+
+        put_user_try {
+                /* Create the ucontext.  */
+                if (cpu_has_xsave)
+                        put_user_ex(UC_FP_XSTATE, &frame->uc.uc_flags);
+                else
+                        put_user_ex(0, &frame->uc.uc_flags);
+                put_user_ex(0, &frame->uc.uc_link);
+                put_user_ex(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp);
+                put_user_ex(sas_ss_flags(regs->sp),
+                            &frame->uc.uc_stack.ss_flags);
+                put_user_ex(current->sas_ss_size, &frame->uc.uc_stack.ss_size);
+                put_user_ex(0, &frame->uc.uc__pad0);
+                err |= setup_sigcontext(&frame->uc.uc_mcontext, fpstate,
+                                        regs, set->sig[0]);
+                err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
+
+                if (ka->sa.sa_flags & SA_RESTORER) {
+                        restorer = ka->sa.sa_restorer;
+                } else {
+                        /* could use a vstub here */
+                        restorer = NULL;
+                        err |= -EFAULT;
+                }
+                put_user_ex(restorer, &frame->pretcode);
+        } put_user_catch(err);
+
+        if (err)
+                return -EFAULT;
+
+        /* Set up registers for signal handler */
+        regs->sp = (unsigned long) frame;
+        regs->ip = (unsigned long) ka->sa.sa_handler;
+
+        /* We use the x32 calling convention here... */
+        regs->di = sig;
+        regs->si = (unsigned long) &frame->info;
+        regs->dx = (unsigned long) &frame->uc;
+
+        loadsegment(ds, __USER_DS);
+        loadsegment(es, __USER_DS);
+
+        regs->cs = __USER_CS;
+        regs->ss = __USER_DS;
+
+        return 0;
+}
+
+asmlinkage long sys32_x32_rt_sigreturn(struct pt_regs *regs)
+{
+        struct rt_sigframe_x32 __user *frame;
+        sigset_t set;
+        unsigned long ax;
+        struct pt_regs tregs;
+
+        frame = (struct rt_sigframe_x32 __user *)(regs->sp - 8);
+
+        if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
+                goto badframe;
+        if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
+                goto badframe;
+
+        sigdelsetmask(&set, ~_BLOCKABLE);
+        set_current_blocked(&set);
+
+        if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &ax))
+                goto badframe;
+
+        tregs = *regs;
+        if (sys32_sigaltstack(&frame->uc.uc_stack, NULL, &tregs) == -EFAULT)
+                goto badframe;
+
+        return ax;
+
+badframe:
+        signal_fault(regs, frame, "x32 rt_sigreturn");
+        return 0;
+}
+#endif
diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c
index 051489082d5..f921df8c209 100644
--- a/arch/x86/kernel/sys_x86_64.c
+++ b/arch/x86/kernel/sys_x86_64.c
@@ -98,7 +98,7 @@ out:
 static void find_start_end(unsigned long flags, unsigned long *begin,
                            unsigned long *end)
 {
-        if (!test_thread_flag(TIF_IA32) && (flags & MAP_32BIT)) {
+        if (!test_thread_flag(TIF_ADDR32) && (flags & MAP_32BIT)) {
                 unsigned long new_begin;
                 /* This is usually used needed to map code in small
                    model, so it needs to be in the first 31bit. Limit
@@ -144,7 +144,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
                     (!vma || addr + len <= vma->vm_start))
                         return addr;
         }
-        if (((flags & MAP_32BIT) || test_thread_flag(TIF_IA32))
+        if (((flags & MAP_32BIT) || test_thread_flag(TIF_ADDR32))
             && len <= mm->cached_hole_size) {
                 mm->cached_hole_size = 0;
                 mm->free_area_cache = begin;
@@ -205,7 +205,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
                 return addr;
 
         /* for MAP_32BIT mappings we force the legact mmap base */
-        if (!test_thread_flag(TIF_IA32) && (flags & MAP_32BIT))
+        if (!test_thread_flag(TIF_ADDR32) && (flags & MAP_32BIT))
                 goto bottomup;
 
         /* requesting a specific address */
diff --git a/arch/x86/kernel/syscall_64.c b/arch/x86/kernel/syscall_64.c
index 7ac7943be02..5c7f8c20da7 100644
--- a/arch/x86/kernel/syscall_64.c
+++ b/arch/x86/kernel/syscall_64.c
@@ -5,6 +5,14 @@
 #include <linux/cache.h>
 #include <asm/asm-offsets.h>
 
+#define __SYSCALL_COMMON(nr, sym, compat) __SYSCALL_64(nr, sym, compat)
+
+#ifdef CONFIG_X86_X32_ABI
+# define __SYSCALL_X32(nr, sym, compat) __SYSCALL_64(nr, sym, compat)
+#else
+# define __SYSCALL_X32(nr, sym, compat) /* nothing */
+#endif
+
 #define __SYSCALL_64(nr, sym, compat) extern asmlinkage void sym(void) ;
 #include <asm/syscalls_64.h>
 #undef __SYSCALL_64
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 482ec3af206..c6d17ad59b8 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -119,7 +119,7 @@ do_trap(int trapnr, int signr, char *str, struct pt_regs *regs,
                  * traps 0, 1, 3, 4, and 5 should be forwarded to vm86.
                  * On nmi (interrupt 2), do_trap should not be called.
                  */
-                if (trapnr < 6)
+                if (trapnr < X86_TRAP_UD)
                         goto vm86_trap;
                 goto trap_signal;
         }
@@ -132,7 +132,7 @@ do_trap(int trapnr, int signr, char *str, struct pt_regs *regs,
 trap_signal:
 #endif
         /*
-         * We want error_code and trap_no set for userspace faults and
+         * We want error_code and trap_nr set for userspace faults and
          * kernelspace faults which result in die(), but not
          * kernelspace faults which are fixed up.  die() gives the
          * process no chance to handle the signal and notice the
@@ -141,7 +141,7 @@ trap_signal:
          * delivered, faults.  See also do_general_protection below.
          */
         tsk->thread.error_code = error_code;
-        tsk->thread.trap_no = trapnr;
+        tsk->thread.trap_nr = trapnr;
 
 #ifdef CONFIG_X86_64
         if (show_unhandled_signals && unhandled_signal(tsk, signr) &&
@@ -164,7 +164,7 @@ trap_signal:
 kernel_trap:
         if (!fixup_exception(regs)) {
                 tsk->thread.error_code = error_code;
-                tsk->thread.trap_no = trapnr;
+                tsk->thread.trap_nr = trapnr;
                 die(str, regs, error_code);
         }
         return;
@@ -203,27 +203,31 @@ dotraplinkage void do_##name(struct pt_regs *regs, long error_code)	\
         do_trap(trapnr, signr, str, regs, error_code, &info);           \
 }
 
-DO_ERROR_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip)
-DO_ERROR(4, SIGSEGV, "overflow", overflow)
-DO_ERROR(5, SIGSEGV, "bounds", bounds)
-DO_ERROR_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip)
-DO_ERROR(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun)
-DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS)
-DO_ERROR(11, SIGBUS, "segment not present", segment_not_present)
+DO_ERROR_INFO(X86_TRAP_DE, SIGFPE, "divide error", divide_error, FPE_INTDIV,
+                regs->ip)
+DO_ERROR(X86_TRAP_OF, SIGSEGV, "overflow", overflow)
+DO_ERROR(X86_TRAP_BR, SIGSEGV, "bounds", bounds)
+DO_ERROR_INFO(X86_TRAP_UD, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN,
+                regs->ip)
+DO_ERROR(X86_TRAP_OLD_MF, SIGFPE, "coprocessor segment overrun",
+                coprocessor_segment_overrun)
+DO_ERROR(X86_TRAP_TS, SIGSEGV, "invalid TSS", invalid_TSS)
+DO_ERROR(X86_TRAP_NP, SIGBUS, "segment not present", segment_not_present)
 #ifdef CONFIG_X86_32
-DO_ERROR(12, SIGBUS, "stack segment", stack_segment)
+DO_ERROR(X86_TRAP_SS, SIGBUS, "stack segment", stack_segment)
 #endif
-DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0)
+DO_ERROR_INFO(X86_TRAP_AC, SIGBUS, "alignment check", alignment_check,
+                BUS_ADRALN, 0)
 
 #ifdef CONFIG_X86_64
 /* Runs on IST stack */
 dotraplinkage void do_stack_segment(struct pt_regs *regs, long error_code)
 {
         if (notify_die(DIE_TRAP, "stack segment", regs, error_code,
-                        12, SIGBUS) == NOTIFY_STOP)
+                        X86_TRAP_SS, SIGBUS) == NOTIFY_STOP)
                 return;
         preempt_conditional_sti(regs);
-        do_trap(12, SIGBUS, "stack segment", regs, error_code, NULL);
+        do_trap(X86_TRAP_SS, SIGBUS, "stack segment", regs, error_code, NULL);
         preempt_conditional_cli(regs);
 }
 
@@ -233,10 +237,10 @@ dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code)
         struct task_struct *tsk = current;
 
         /* Return not checked because double check cannot be ignored */
-        notify_die(DIE_TRAP, str, regs, error_code, 8, SIGSEGV);
+        notify_die(DIE_TRAP, str, regs, error_code, X86_TRAP_DF, SIGSEGV);
 
         tsk->thread.error_code = error_code;
-        tsk->thread.trap_no = 8;
+        tsk->thread.trap_nr = X86_TRAP_DF;
 
         /*
          * This is always a kernel trap and never fixable (and thus must
@@ -264,7 +268,7 @@ do_general_protection(struct pt_regs *regs, long error_code)
                 goto gp_in_kernel;
 
         tsk->thread.error_code = error_code;
-        tsk->thread.trap_no = 13;
+        tsk->thread.trap_nr = X86_TRAP_GP;
 
         if (show_unhandled_signals && unhandled_signal(tsk, SIGSEGV) &&
                         printk_ratelimit()) {
@@ -291,9 +295,9 @@ gp_in_kernel:
                 return;
 
         tsk->thread.error_code = error_code;
-        tsk->thread.trap_no = 13;
-        if (notify_die(DIE_GPF, "general protection fault", regs,
-                                error_code, 13, SIGSEGV) == NOTIFY_STOP)
+        tsk->thread.trap_nr = X86_TRAP_GP;
+        if (notify_die(DIE_GPF, "general protection fault", regs, error_code,
+                        X86_TRAP_GP, SIGSEGV) == NOTIFY_STOP)
                 return;
         die("general protection fault", regs, error_code);
 }
@@ -302,13 +306,13 @@ gp_in_kernel:
 dotraplinkage void __kprobes do_int3(struct pt_regs *regs, long error_code)
 {
 #ifdef CONFIG_KGDB_LOW_LEVEL_TRAP
-        if (kgdb_ll_trap(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP)
-                        == NOTIFY_STOP)
+        if (kgdb_ll_trap(DIE_INT3, "int3", regs, error_code, X86_TRAP_BP,
+                                SIGTRAP) == NOTIFY_STOP)
                 return;
 #endif /* CONFIG_KGDB_LOW_LEVEL_TRAP */
 
-        if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP)
-                        == NOTIFY_STOP)
+        if (notify_die(DIE_INT3, "int3", regs, error_code, X86_TRAP_BP,
+                        SIGTRAP) == NOTIFY_STOP)
                 return;
 
         /*
@@ -317,7 +321,7 @@ dotraplinkage void __kprobes do_int3(struct pt_regs *regs, long error_code)
          */
         debug_stack_usage_inc();
         preempt_conditional_sti(regs);
-        do_trap(3, SIGTRAP, "int3", regs, error_code, NULL);
+        do_trap(X86_TRAP_BP, SIGTRAP, "int3", regs, error_code, NULL);
         preempt_conditional_cli(regs);
         debug_stack_usage_dec();
 }
@@ -422,8 +426,8 @@ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code)
         preempt_conditional_sti(regs);
 
         if (regs->flags & X86_VM_MASK) {
-                handle_vm86_trap((struct kernel_vm86_regs *) regs,
-                                error_code, 1);
+                handle_vm86_trap((struct kernel_vm86_regs *) regs, error_code,
+                                        X86_TRAP_DB);
                 preempt_conditional_cli(regs);
                 debug_stack_usage_dec();
                 return;
@@ -460,7 +464,8 @@ void math_error(struct pt_regs *regs, int error_code, int trapnr)
         struct task_struct *task = current;
         siginfo_t info;
         unsigned short err;
-        char *str = (trapnr == 16) ? "fpu exception" : "simd exception";
+        char *str = (trapnr == X86_TRAP_MF) ? "fpu exception" :
+                                                "simd exception";
 
         if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, SIGFPE) == NOTIFY_STOP)
                 return;
@@ -470,7 +475,7 @@ void math_error(struct pt_regs *regs, int error_code, int trapnr)
         {
                 if (!fixup_exception(regs)) {
                         task->thread.error_code = error_code;
-                        task->thread.trap_no = trapnr;
+                        task->thread.trap_nr = trapnr;
                         die(str, regs, error_code);
                 }
                 return;
@@ -480,12 +485,12 @@ void math_error(struct pt_regs *regs, int error_code, int trapnr)
          * Save the info for the exception handler and clear the error.
          */
         save_init_fpu(task);
-        task->thread.trap_no = trapnr;
+        task->thread.trap_nr = trapnr;
         task->thread.error_code = error_code;
         info.si_signo = SIGFPE;
         info.si_errno = 0;
         info.si_addr = (void __user *)regs->ip;
-        if (trapnr == 16) {
+        if (trapnr == X86_TRAP_MF) {
                 unsigned short cwd, swd;
                 /*
                  * (~cwd & swd) will mask out exceptions that are not set to unmasked
@@ -529,10 +534,11 @@ void math_error(struct pt_regs *regs, int error_code, int trapnr)
                 info.si_code = FPE_FLTRES;
         } else {
                 /*
-                 * If we're using IRQ 13, or supposedly even some trap 16
-                 * implementations, it's possible we get a spurious trap...
+                 * If we're using IRQ 13, or supposedly even some trap
+                 * X86_TRAP_MF implementations, it's possible
+                 * we get a spurious trap, which is not an error.
                  */
-                return;         /* Spurious trap, no error */
+                return;
         }
         force_sig_info(SIGFPE, &info, task);
 }
@@ -543,13 +549,13 @@ dotraplinkage void do_coprocessor_error(struct pt_regs *regs, long error_code)
         ignore_fpu_irq = 1;
 #endif
 
-        math_error(regs, error_code, 16);
+        math_error(regs, error_code, X86_TRAP_MF);
 }
 
 dotraplinkage void
 do_simd_coprocessor_error(struct pt_regs *regs, long error_code)
 {
-        math_error(regs, error_code, 19);
+        math_error(regs, error_code, X86_TRAP_XF);
 }
 
 dotraplinkage void
@@ -571,41 +577,18 @@ asmlinkage void __attribute__((weak)) smp_threshold_interrupt(void)
 }
 
 /*
- * __math_state_restore assumes that cr0.TS is already clear and the
- * fpu state is all ready for use.  Used during context switch.
- */
-void __math_state_restore(void)
-{
-        struct thread_info *thread = current_thread_info();
-        struct task_struct *tsk = thread->task;
-
-        /*
-         * Paranoid restore. send a SIGSEGV if we fail to restore the state.
-         */
-        if (unlikely(restore_fpu_checking(tsk))) {
-                stts();
-                force_sig(SIGSEGV, tsk);
-                return;
-        }
-
-        thread->status |= TS_USEDFPU;   /* So we fnsave on switch_to() */
-        tsk->fpu_counter++;
-}
-
-/*
  * 'math_state_restore()' saves the current math information in the
  * old math state array, and gets the new ones from the current task
  *
  * Careful.. There are problems with IBM-designed IRQ13 behaviour.
  * Don't touch unless you *really* know how it works.
  *
- * Must be called with kernel preemption disabled (in this case,
- * local interrupts are disabled at the call-site in entry.S).
+ * Must be called with kernel preemption disabled (eg with local
+ * local interrupts as in the case of do_device_not_available).
  */
-asmlinkage void math_state_restore(void)
+void math_state_restore(void)
 {
-        struct thread_info *thread = current_thread_info();
-        struct task_struct *tsk = thread->task;
+        struct task_struct *tsk = current;
 
         if (!tsk_used_math(tsk)) {
                 local_irq_enable();
@@ -622,9 +605,17 @@ asmlinkage void math_state_restore(void)
                 local_irq_disable();
         }
 
-        clts();                         /* Allow maths ops (or we recurse) */
+        __thread_fpu_begin(tsk);
+        /*
+         * Paranoid restore. send a SIGSEGV if we fail to restore the state.
+         */
+        if (unlikely(restore_fpu_checking(tsk))) {
+                __thread_fpu_end(tsk);
+                force_sig(SIGSEGV, tsk);
+                return;
+        }
 
-        __math_state_restore();
+        tsk->fpu_counter++;
 }
 EXPORT_SYMBOL_GPL(math_state_restore);
 
@@ -658,20 +649,21 @@ dotraplinkage void do_iret_error(struct pt_regs *regs, long error_code)
         info.si_errno = 0;
         info.si_code = ILL_BADSTK;
         info.si_addr = NULL;
-        if (notify_die(DIE_TRAP, "iret exception",
-                        regs, error_code, 32, SIGILL) == NOTIFY_STOP)
+        if (notify_die(DIE_TRAP, "iret exception", regs, error_code,
+                        X86_TRAP_IRET, SIGILL) == NOTIFY_STOP)
                 return;
-        do_trap(32, SIGILL, "iret exception", regs, error_code, &info);
+        do_trap(X86_TRAP_IRET, SIGILL, "iret exception", regs, error_code,
+                &info);
 }
 #endif
 
 /* Set of traps needed for early debugging. */
 void __init early_trap_init(void)
 {
-        set_intr_gate_ist(1, &debug, DEBUG_STACK);
+        set_intr_gate_ist(X86_TRAP_DB, &debug, DEBUG_STACK);
         /* int3 can be called from all */
-        set_system_intr_gate_ist(3, &int3, DEBUG_STACK);
-        set_intr_gate(14, &page_fault);
+        set_system_intr_gate_ist(X86_TRAP_BP, &int3, DEBUG_STACK);
+        set_intr_gate(X86_TRAP_PF, &page_fault);
         load_idt(&idt_descr);
 }
 
@@ -687,30 +679,30 @@ void __init trap_init(void)
         early_iounmap(p, 4);
 #endif
 
-        set_intr_gate(0, &divide_error);
-        set_intr_gate_ist(2, &nmi, NMI_STACK);
+        set_intr_gate(X86_TRAP_DE, &divide_error);
+        set_intr_gate_ist(X86_TRAP_NMI, &nmi, NMI_STACK);
         /* int4 can be called from all */
-        set_system_intr_gate(4, &overflow);
-        set_intr_gate(5, &bounds);
-        set_intr_gate(6, &invalid_op);
-        set_intr_gate(7, &device_not_available);
+        set_system_intr_gate(X86_TRAP_OF, &overflow);
+        set_intr_gate(X86_TRAP_BR, &bounds);
+        set_intr_gate(X86_TRAP_UD, &invalid_op);
+        set_intr_gate(X86_TRAP_NM, &device_not_available);
 #ifdef CONFIG_X86_32
-        set_task_gate(8, GDT_ENTRY_DOUBLEFAULT_TSS);
+        set_task_gate(X86_TRAP_DF, GDT_ENTRY_DOUBLEFAULT_TSS);
 #else
-        set_intr_gate_ist(8, &double_fault, DOUBLEFAULT_STACK);
+        set_intr_gate_ist(X86_TRAP_DF, &double_fault, DOUBLEFAULT_STACK);
 #endif
-        set_intr_gate(9, &coprocessor_segment_overrun);
-        set_intr_gate(10, &invalid_TSS);
-        set_intr_gate(11, &segment_not_present);
-        set_intr_gate_ist(12, &stack_segment, STACKFAULT_STACK);
-        set_intr_gate(13, &general_protection);
-        set_intr_gate(15, &spurious_interrupt_bug);
-        set_intr_gate(16, &coprocessor_error);
-        set_intr_gate(17, &alignment_check);
+        set_intr_gate(X86_TRAP_OLD_MF, &coprocessor_segment_overrun);
+        set_intr_gate(X86_TRAP_TS, &invalid_TSS);
+        set_intr_gate(X86_TRAP_NP, &segment_not_present);
+        set_intr_gate_ist(X86_TRAP_SS, &stack_segment, STACKFAULT_STACK);
+        set_intr_gate(X86_TRAP_GP, &general_protection);
+        set_intr_gate(X86_TRAP_SPURIOUS, &spurious_interrupt_bug);
+        set_intr_gate(X86_TRAP_MF, &coprocessor_error);
+        set_intr_gate(X86_TRAP_AC, &alignment_check);
 #ifdef CONFIG_X86_MCE
-        set_intr_gate_ist(18, &machine_check, MCE_STACK);
+        set_intr_gate_ist(X86_TRAP_MC, &machine_check, MCE_STACK);
 #endif
-        set_intr_gate(19, &simd_coprocessor_error);
+        set_intr_gate(X86_TRAP_XF, &simd_coprocessor_error);
 
         /* Reserve all the builtin and the syscall vector: */
         for (i = 0; i < FIRST_EXTERNAL_VECTOR; i++)
@@ -735,7 +727,7 @@ void __init trap_init(void)
 
 #ifdef CONFIG_X86_64
         memcpy(&nmi_idt_table, &idt_table, IDT_ENTRIES * 16);
-        set_nmi_gate(1, &debug);
-        set_nmi_gate(3, &int3);
+        set_nmi_gate(X86_TRAP_DB, &debug);
+        set_nmi_gate(X86_TRAP_BP, &int3);
 #endif
 }
diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c
index b466cab5ba1..a1315ab2d6b 100644
--- a/arch/x86/kernel/vm86_32.c
+++ b/arch/x86/kernel/vm86_32.c
@@ -567,7 +567,7 @@ int handle_vm86_trap(struct kernel_vm86_regs *regs, long error_code, int trapno)
         }
         if (trapno != 1)
                 return 1; /* we let this handle by the calling routine */
-        current->thread.trap_no = trapno;
+        current->thread.trap_nr = trapno;
         current->thread.error_code = error_code;
         force_sig(SIGTRAP, current);
         return 0;
diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c
index b07ba939356..327509b95e0 100644
--- a/arch/x86/kernel/vsyscall_64.c
+++ b/arch/x86/kernel/vsyscall_64.c
@@ -153,7 +153,7 @@ static bool write_ok_or_segv(unsigned long ptr, size_t size)
 
                 thread->error_code      = 6;  /* user fault, no page, write */
                 thread->cr2             = ptr;
-                thread->trap_no         = 14;
+                thread->trap_nr         = X86_TRAP_PF;
 
                 memset(&info, 0, sizeof(info));
                 info.si_signo           = SIGSEGV;
diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c
index a3911343976..71109111411 100644
--- a/arch/x86/kernel/xsave.c
+++ b/arch/x86/kernel/xsave.c
@@ -47,7 +47,7 @@ void __sanitize_i387_state(struct task_struct *tsk)
         if (!fx)
                 return;
 
-        BUG_ON(task_thread_info(tsk)->status & TS_USEDFPU);
+        BUG_ON(__thread_has_fpu(tsk));
 
         xstate_bv = tsk->thread.fpu.state->xsave.xsave_hdr.xstate_bv;
 
@@ -168,7 +168,7 @@ int save_i387_xstate(void __user *buf)
         if (!used_math())
                 return 0;
 
-        if (task_thread_info(tsk)->status & TS_USEDFPU) {
+        if (user_has_fpu()) {
                 if (use_xsave())
                         err = xsave_user(buf);
                 else
@@ -176,8 +176,7 @@ int save_i387_xstate(void __user *buf)
 
                 if (err)
                         return err;
-                task_thread_info(tsk)->status &= ~TS_USEDFPU;
-                stts();
+                user_fpu_end();
         } else {
                 sanitize_i387_state(tsk);
                 if (__copy_to_user(buf, &tsk->thread.fpu.state->fxsave,
@@ -292,10 +291,7 @@ int restore_i387_xstate(void __user *buf)
                         return err;
         }
 
-        if (!(task_thread_info(current)->status & TS_USEDFPU)) {
-                clts();
-                task_thread_info(current)->status |= TS_USEDFPU;
-        }
+        user_fpu_begin();
         if (use_xsave())
                 err = restore_user_xstate(buf);
         else
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 05a562b8502..0982507b962 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -1891,6 +1891,51 @@ setup_syscalls_segments(struct x86_emulate_ctxt *ctxt,
         ss->p = 1;
 }
 
+static bool em_syscall_is_enabled(struct x86_emulate_ctxt *ctxt)
+{
+        struct x86_emulate_ops *ops = ctxt->ops;
+        u32 eax, ebx, ecx, edx;
+
+        /*
+         * syscall should always be enabled in longmode - so only become
+         * vendor specific (cpuid) if other modes are active...
+         */
+        if (ctxt->mode == X86EMUL_MODE_PROT64)
+                return true;
+
+        eax = 0x00000000;
+        ecx = 0x00000000;
+        if (ops->get_cpuid(ctxt, &eax, &ebx, &ecx, &edx)) {
+                /*
+                 * Intel ("GenuineIntel")
+                 * remark: Intel CPUs only support "syscall" in 64bit
+                 * longmode. Also an 64bit guest with a
+                 * 32bit compat-app running will #UD !! While this
+                 * behaviour can be fixed (by emulating) into AMD
+                 * response - CPUs of AMD can't behave like Intel.
+                 */
+                if (ebx == X86EMUL_CPUID_VENDOR_GenuineIntel_ebx &&
+                    ecx == X86EMUL_CPUID_VENDOR_GenuineIntel_ecx &&
+                    edx == X86EMUL_CPUID_VENDOR_GenuineIntel_edx)
+                        return false;
+
+                /* AMD ("AuthenticAMD") */
+                if (ebx == X86EMUL_CPUID_VENDOR_AuthenticAMD_ebx &&
+                    ecx == X86EMUL_CPUID_VENDOR_AuthenticAMD_ecx &&
+                    edx == X86EMUL_CPUID_VENDOR_AuthenticAMD_edx)
+                        return true;
+
+                /* AMD ("AMDisbetter!") */
+                if (ebx == X86EMUL_CPUID_VENDOR_AMDisbetterI_ebx &&
+                    ecx == X86EMUL_CPUID_VENDOR_AMDisbetterI_ecx &&
+                    edx == X86EMUL_CPUID_VENDOR_AMDisbetterI_edx)
+                        return true;
+        }
+
+        /* default: (not Intel, not AMD), apply Intel's stricter rules... */
+        return false;
+}
+
 static int em_syscall(struct x86_emulate_ctxt *ctxt)
 {
         struct x86_emulate_ops *ops = ctxt->ops;
@@ -1904,9 +1949,15 @@ static int em_syscall(struct x86_emulate_ctxt *ctxt)
             ctxt->mode == X86EMUL_MODE_VM86)
                 return emulate_ud(ctxt);
 
+        if (!(em_syscall_is_enabled(ctxt)))
+                return emulate_ud(ctxt);
+
         ops->get_msr(ctxt, MSR_EFER, &efer);
         setup_syscalls_segments(ctxt, &cs, &ss);
 
+        if (!(efer & EFER_SCE))
+                return emulate_ud(ctxt);
+
         ops->get_msr(ctxt, MSR_STAR, &msr_data);
         msr_data >>= 32;
         cs_sel = (u16)(msr_data & 0xfffc);
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 5fa553babe5..e385214711c 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -29,6 +29,7 @@
 #include <linux/ftrace_event.h>
 #include <linux/slab.h>
 
+#include <asm/perf_event.h>
 #include <asm/tlbflush.h>
 #include <asm/desc.h>
 #include <asm/kvm_para.h>
@@ -575,6 +576,8 @@ static void svm_hardware_disable(void *garbage)
                 wrmsrl(MSR_AMD64_TSC_RATIO, TSC_RATIO_DEFAULT);
 
         cpu_svm_disable();
+
+        amd_pmu_disable_virt();
 }
 
 static int svm_hardware_enable(void *garbage)
@@ -622,6 +625,8 @@ static int svm_hardware_enable(void *garbage)
 
         svm_init_erratum_383();
 
+        amd_pmu_enable_virt();
+
         return 0;
 }
 
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index d29216c462b..3b4c8d8ad90 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -1457,7 +1457,7 @@ static void __vmx_load_host_state(struct vcpu_vmx *vmx)
 #ifdef CONFIG_X86_64
         wrmsrl(MSR_KERNEL_GS_BASE, vmx->msr_host_kernel_gs_base);
 #endif
-        if (current_thread_info()->status & TS_USEDFPU)
+        if (__thread_has_fpu(current))
                 clts();
         load_gdt(&__get_cpu_var(host_gdt));
 }
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 14d6cadc4ba..9cbfc069811 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1495,6 +1495,8 @@ static void record_steal_time(struct kvm_vcpu *vcpu)
 
 int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data)
 {
+        bool pr = false;
+
         switch (msr) {
         case MSR_EFER:
                 return set_efer(vcpu, data);
@@ -1635,6 +1637,18 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data)
                 pr_unimpl(vcpu, "unimplemented perfctr wrmsr: "
                         "0x%x data 0x%llx\n", msr, data);
                 break;
+        case MSR_P6_PERFCTR0:
+        case MSR_P6_PERFCTR1:
+                pr = true;
+        case MSR_P6_EVNTSEL0:
+        case MSR_P6_EVNTSEL1:
+                if (kvm_pmu_msr(vcpu, msr))
+                        return kvm_pmu_set_msr(vcpu, msr, data);
+
+                if (pr || data != 0)
+                        pr_unimpl(vcpu, "disabled perfctr wrmsr: "
+                                "0x%x data 0x%llx\n", msr, data);
+                break;
         case MSR_K7_CLK_CTL:
                 /*
                  * Ignore all writes to this no longer documented MSR.
@@ -1835,6 +1849,14 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata)
         case MSR_FAM10H_MMIO_CONF_BASE:
                 data = 0;
                 break;
+        case MSR_P6_PERFCTR0:
+        case MSR_P6_PERFCTR1:
+        case MSR_P6_EVNTSEL0:
+        case MSR_P6_EVNTSEL1:
+                if (kvm_pmu_msr(vcpu, msr))
+                        return kvm_pmu_get_msr(vcpu, msr, pdata);
+                data = 0;
+                break;
         case MSR_IA32_UCODE_REV:
                 data = 0x100000000ULL;
                 break;
@@ -4180,6 +4202,28 @@ static int emulator_intercept(struct x86_emulate_ctxt *ctxt,
         return kvm_x86_ops->check_intercept(emul_to_vcpu(ctxt), info, stage);
 }
 
+static bool emulator_get_cpuid(struct x86_emulate_ctxt *ctxt,
+                               u32 *eax, u32 *ebx, u32 *ecx, u32 *edx)
+{
+        struct kvm_cpuid_entry2 *cpuid = NULL;
+
+        if (eax && ecx)
+                cpuid = kvm_find_cpuid_entry(emul_to_vcpu(ctxt),
+                                            *eax, *ecx);
+
+        if (cpuid) {
+                *eax = cpuid->eax;
+                *ecx = cpuid->ecx;
+                if (ebx)
+                        *ebx = cpuid->ebx;
+                if (edx)
+                        *edx = cpuid->edx;
+                return true;
+        }
+
+        return false;
+}
+
 static struct x86_emulate_ops emulate_ops = {
         .read_std            = kvm_read_guest_virt_system,
         .write_std           = kvm_write_guest_virt_system,
@@ -4211,6 +4255,7 @@ static struct x86_emulate_ops emulate_ops = {
         .get_fpu             = emulator_get_fpu,
         .put_fpu             = emulator_put_fpu,
         .intercept           = emulator_intercept,
+        .get_cpuid           = emulator_get_cpuid,
 };
 
 static void cache_all_regs(struct kvm_vcpu *vcpu)
diff --git a/arch/x86/math-emu/fpu_entry.c b/arch/x86/math-emu/fpu_entry.c
index 7718541541d..9b868124128 100644
--- a/arch/x86/math-emu/fpu_entry.c
+++ b/arch/x86/math-emu/fpu_entry.c
@@ -28,6 +28,7 @@
 #include <linux/regset.h>
 
 #include <asm/uaccess.h>
+#include <asm/traps.h>
 #include <asm/desc.h>
 #include <asm/user.h>
 #include <asm/i387.h>
@@ -269,7 +270,7 @@ void math_emulate(struct math_emu_info *info)
                         FPU_EIP = FPU_ORIG_EIP; /* Point to current FPU instruction. */
 
                         RE_ENTRANT_CHECK_OFF;
-                        current->thread.trap_no = 16;
+                        current->thread.trap_nr = X86_TRAP_MF;
                         current->thread.error_code = 0;
                         send_sig(SIGFPE, current, 1);
                         return;
@@ -662,7 +663,7 @@ static int valid_prefix(u_char *Byte, u_char __user **fpu_eip,
 void math_abort(struct math_emu_info *info, unsigned int signal)
 {
         FPU_EIP = FPU_ORIG_EIP;
-        current->thread.trap_no = 16;
+        current->thread.trap_nr = X86_TRAP_MF;
         current->thread.error_code = 0;
         send_sig(signal, current, 1);
         RE_ENTRANT_CHECK_OFF;
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index f0b4caf85c1..3ecfd1aaf21 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -615,7 +615,7 @@ pgtable_bad(struct pt_regs *regs, unsigned long error_code,
         dump_pagetable(address);
 
         tsk->thread.cr2         = address;
-        tsk->thread.trap_no     = 14;
+        tsk->thread.trap_nr     = X86_TRAP_PF;
         tsk->thread.error_code  = error_code;
 
         if (__die("Bad pagetable", regs, error_code))
@@ -636,7 +636,7 @@ no_context(struct pt_regs *regs, unsigned long error_code,
         /* Are we prepared to handle this kernel fault? */
         if (fixup_exception(regs)) {
                 if (current_thread_info()->sig_on_uaccess_error && signal) {
-                        tsk->thread.trap_no = 14;
+                        tsk->thread.trap_nr = X86_TRAP_PF;
                         tsk->thread.error_code = error_code | PF_USER;
                         tsk->thread.cr2 = address;
 
@@ -676,7 +676,7 @@ no_context(struct pt_regs *regs, unsigned long error_code,
                 printk(KERN_EMERG "Thread overran stack, or stack corrupted\n");
 
         tsk->thread.cr2         = address;
-        tsk->thread.trap_no     = 14;
+        tsk->thread.trap_nr     = X86_TRAP_PF;
         tsk->thread.error_code  = error_code;
 
         sig = SIGKILL;
@@ -754,7 +754,7 @@ __bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code,
                 /* Kernel addresses are always protection faults: */
                 tsk->thread.cr2         = address;
                 tsk->thread.error_code  = error_code | (address >= TASK_SIZE);
-                tsk->thread.trap_no     = 14;
+                tsk->thread.trap_nr     = X86_TRAP_PF;
 
                 force_sig_info_fault(SIGSEGV, si_code, address, tsk, 0);
 
@@ -838,7 +838,7 @@ do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address,
 
         tsk->thread.cr2         = address;
         tsk->thread.error_code  = error_code;
-        tsk->thread.trap_no     = 14;
+        tsk->thread.trap_nr     = X86_TRAP_PF;
 
 #ifdef CONFIG_MEMORY_FAILURE
         if (fault & (VM_FAULT_HWPOISON|VM_FAULT_HWPOISON_LARGE)) {
diff --git a/arch/x86/oprofile/backtrace.c b/arch/x86/oprofile/backtrace.c
index bff89dfe361..d6aa6e8315d 100644
--- a/arch/x86/oprofile/backtrace.c
+++ b/arch/x86/oprofile/backtrace.c
@@ -67,7 +67,7 @@ x86_backtrace_32(struct pt_regs * const regs, unsigned int depth)
 {
         struct stack_frame_ia32 *head;
 
-        /* User process is 32-bit */
+        /* User process is IA32 */
         if (!current || !test_thread_flag(TIF_IA32))
                 return 0;
 
diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c
index 492ade8c978..d99346ea8fd 100644
--- a/arch/x86/pci/xen.c
+++ b/arch/x86/pci/xen.c
@@ -374,7 +374,7 @@ int __init pci_xen_init(void)
 
 int __init pci_xen_hvm_init(void)
 {
-        if (!xen_feature(XENFEAT_hvm_pirqs))
+        if (!xen_have_vector_callback || !xen_feature(XENFEAT_hvm_pirqs))
                 return 0;
 
 #ifdef CONFIG_ACPI
diff --git a/arch/x86/syscalls/Makefile b/arch/x86/syscalls/Makefile
index 564b2476fed..3236aebc828 100644
--- a/arch/x86/syscalls/Makefile
+++ b/arch/x86/syscalls/Makefile
@@ -10,8 +10,10 @@ syshdr := $(srctree)/$(src)/syscallhdr.sh
 systbl := $(srctree)/$(src)/syscalltbl.sh
 
 quiet_cmd_syshdr = SYSHDR  $@
-      cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' $< $@ \
-                   $(syshdr_abi_$(basetarget)) $(syshdr_pfx_$(basetarget))
+      cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@' \
+                   '$(syshdr_abi_$(basetarget))' \
+                   '$(syshdr_pfx_$(basetarget))' \
+                   '$(syshdr_offset_$(basetarget))'
 quiet_cmd_systbl = SYSTBL  $@
       cmd_systbl = $(CONFIG_SHELL) '$(systbl)' $< $@
 
@@ -24,18 +26,28 @@ syshdr_pfx_unistd_32_ia32 := ia32_
 $(out)/unistd_32_ia32.h: $(syscall32) $(syshdr)
         $(call if_changed,syshdr)
 
-syshdr_abi_unistd_64 := 64
+syshdr_abi_unistd_x32 := common,x32
+syshdr_offset_unistd_x32 := __X32_SYSCALL_BIT
+$(out)/unistd_x32.h: $(syscall64) $(syshdr)
+        $(call if_changed,syshdr)
+
+syshdr_abi_unistd_64 := common,64
 $(out)/unistd_64.h: $(syscall64) $(syshdr)
         $(call if_changed,syshdr)
 
+syshdr_abi_unistd_64_x32 := x32
+syshdr_pfx_unistd_64_x32 := x32_
+$(out)/unistd_64_x32.h: $(syscall64) $(syshdr)
+        $(call if_changed,syshdr)
+
 $(out)/syscalls_32.h: $(syscall32) $(systbl)
         $(call if_changed,systbl)
 $(out)/syscalls_64.h: $(syscall64) $(systbl)
         $(call if_changed,systbl)
 
-syshdr-y                        += unistd_32.h unistd_64.h
+syshdr-y                        += unistd_32.h unistd_64.h unistd_x32.h
 syshdr-y                        += syscalls_32.h
-syshdr-$(CONFIG_X86_64)         += unistd_32_ia32.h
+syshdr-$(CONFIG_X86_64)         += unistd_32_ia32.h unistd_64_x32.h
 syshdr-$(CONFIG_X86_64)         += syscalls_64.h
 
 targets += $(syshdr-y)
diff --git a/arch/x86/syscalls/syscall_32.tbl b/arch/x86/syscalls/syscall_32.tbl
index ce98e287c06..031cef84fe4 100644
--- a/arch/x86/syscalls/syscall_32.tbl
+++ b/arch/x86/syscalls/syscall_32.tbl
@@ -181,7 +181,7 @@
 172     i386    prctl                   sys_prctl
 173     i386    rt_sigreturn            ptregs_rt_sigreturn             stub32_rt_sigreturn
 174     i386    rt_sigaction            sys_rt_sigaction                sys32_rt_sigaction
-175     i386    rt_sigprocmask          sys_rt_sigprocmask              sys32_rt_sigprocmask
+175     i386    rt_sigprocmask          sys_rt_sigprocmask
 176     i386    rt_sigpending           sys_rt_sigpending               sys32_rt_sigpending
 177     i386    rt_sigtimedwait         sys_rt_sigtimedwait             compat_sys_rt_sigtimedwait
 178     i386    rt_sigqueueinfo         sys_rt_sigqueueinfo             sys32_rt_sigqueueinfo
diff --git a/arch/x86/syscalls/syscall_64.tbl b/arch/x86/syscalls/syscall_64.tbl
index b440a8f7eef..dd29a9ea27c 100644
--- a/arch/x86/syscalls/syscall_64.tbl
+++ b/arch/x86/syscalls/syscall_64.tbl
@@ -4,317 +4,350 @@
 # The format is:
 # <number> <abi> <name> <entry point>
 #
-# The abi is always "64" for this file (for now.)
+# The abi is "common", "64" or "x32" for this file.
 #
-0       64      read                    sys_read
-1       64      write                   sys_write
-2       64      open                    sys_open
-3       64      close                   sys_close
-4       64      stat                    sys_newstat
-5       64      fstat                   sys_newfstat
-6       64      lstat                   sys_newlstat
-7       64      poll                    sys_poll
-8       64      lseek                   sys_lseek
-9       64      mmap                    sys_mmap
-10      64      mprotect                sys_mprotect
-11      64      munmap                  sys_munmap
-12      64      brk                     sys_brk
+0       common  read                    sys_read
+1       common  write                   sys_write
+2       common  open                    sys_open
+3       common  close                   sys_close
+4       common  stat                    sys_newstat
+5       common  fstat                   sys_newfstat
+6       common  lstat                   sys_newlstat
+7       common  poll                    sys_poll
+8       common  lseek                   sys_lseek
+9       common  mmap                    sys_mmap
+10      common  mprotect                sys_mprotect
+11      common  munmap                  sys_munmap
+12      common  brk                     sys_brk
 13      64      rt_sigaction            sys_rt_sigaction
-14      64      rt_sigprocmask          sys_rt_sigprocmask
+14      common  rt_sigprocmask          sys_rt_sigprocmask
 15      64      rt_sigreturn            stub_rt_sigreturn
 16      64      ioctl                   sys_ioctl
-17      64      pread64                 sys_pread64
-18      64      pwrite64                sys_pwrite64
+17      common  pread64                 sys_pread64
+18      common  pwrite64                sys_pwrite64
 19      64      readv                   sys_readv
 20      64      writev                  sys_writev
-21      64      access                  sys_access
-22      64      pipe                    sys_pipe
-23      64      select                  sys_select
-24      64      sched_yield             sys_sched_yield
-25      64      mremap                  sys_mremap
-26      64      msync                   sys_msync
-27      64      mincore                 sys_mincore
-28      64      madvise                 sys_madvise
-29      64      shmget                  sys_shmget
-30      64      shmat                   sys_shmat
-31      64      shmctl                  sys_shmctl
-32      64      dup                     sys_dup
-33      64      dup2                    sys_dup2
-34      64      pause                   sys_pause
-35      64      nanosleep               sys_nanosleep
-36      64      getitimer               sys_getitimer
-37      64      alarm                   sys_alarm
-38      64      setitimer               sys_setitimer
-39      64      getpid                  sys_getpid
-40      64      sendfile                sys_sendfile64
-41      64      socket                  sys_socket
-42      64      connect                 sys_connect
-43      64      accept                  sys_accept
-44      64      sendto                  sys_sendto
+21      common  access                  sys_access
+22      common  pipe                    sys_pipe
+23      common  select                  sys_select
+24      common  sched_yield             sys_sched_yield
+25      common  mremap                  sys_mremap
+26      common  msync                   sys_msync
+27      common  mincore                 sys_mincore
+28      common  madvise                 sys_madvise
+29      common  shmget                  sys_shmget
+30      common  shmat                   sys_shmat
+31      common  shmctl                  sys_shmctl
+32      common  dup                     sys_dup
+33      common  dup2                    sys_dup2
+34      common  pause                   sys_pause
+35      common  nanosleep               sys_nanosleep
+36      common  getitimer               sys_getitimer
+37      common  alarm                   sys_alarm
+38      common  setitimer               sys_setitimer
+39      common  getpid                  sys_getpid
+40      common  sendfile                sys_sendfile64
+41      common  socket                  sys_socket
+42      common  connect                 sys_connect
+43      common  accept                  sys_accept
+44      common  sendto                  sys_sendto
 45      64      recvfrom                sys_recvfrom
 46      64      sendmsg                 sys_sendmsg
 47      64      recvmsg                 sys_recvmsg
-48      64      shutdown                sys_shutdown
-49      64      bind                    sys_bind
-50      64      listen                  sys_listen
-51      64      getsockname             sys_getsockname
-52      64      getpeername             sys_getpeername
-53      64      socketpair              sys_socketpair
-54      64      setsockopt              sys_setsockopt
-55      64      getsockopt              sys_getsockopt
-56      64      clone                   stub_clone
-57      64      fork                    stub_fork
-58      64      vfork                   stub_vfork
+48      common  shutdown                sys_shutdown
+49      common  bind                    sys_bind
+50      common  listen                  sys_listen
+51      common  getsockname             sys_getsockname
+52      common  getpeername             sys_getpeername
+53      common  socketpair              sys_socketpair
+54      common  setsockopt              sys_setsockopt
+55      common  getsockopt              sys_getsockopt
+56      common  clone                   stub_clone
+57      common  fork                    stub_fork
+58      common  vfork                   stub_vfork
 59      64      execve                  stub_execve
-60      64      exit                    sys_exit
-61      64      wait4                   sys_wait4
-62      64      kill                    sys_kill
-63      64      uname                   sys_newuname
-64      64      semget                  sys_semget
-65      64      semop                   sys_semop
-66      64      semctl                  sys_semctl
-67      64      shmdt                   sys_shmdt
-68      64      msgget                  sys_msgget
-69      64      msgsnd                  sys_msgsnd
-70      64      msgrcv                  sys_msgrcv
-71      64      msgctl                  sys_msgctl
-72      64      fcntl                   sys_fcntl
-73      64      flock                   sys_flock
-74      64      fsync                   sys_fsync
-75      64      fdatasync               sys_fdatasync
-76      64      truncate                sys_truncate
-77      64      ftruncate               sys_ftruncate
-78      64      getdents                sys_getdents
-79      64      getcwd                  sys_getcwd
-80      64      chdir                   sys_chdir
-81      64      fchdir                  sys_fchdir
-82      64      rename                  sys_rename
-83      64      mkdir                   sys_mkdir
-84      64      rmdir                   sys_rmdir
-85      64      creat                   sys_creat
-86      64      link                    sys_link
-87      64      unlink                  sys_unlink
-88      64      symlink                 sys_symlink
-89      64      readlink                sys_readlink
-90      64      chmod                   sys_chmod
-91      64      fchmod                  sys_fchmod
-92      64      chown                   sys_chown
-93      64      fchown                  sys_fchown
-94      64      lchown                  sys_lchown
-95      64      umask                   sys_umask
-96      64      gettimeofday            sys_gettimeofday
-97      64      getrlimit               sys_getrlimit
-98      64      getrusage               sys_getrusage
-99      64      sysinfo                 sys_sysinfo
-100     64      times                   sys_times
+60      common  exit                    sys_exit
+61      common  wait4                   sys_wait4
+62      common  kill                    sys_kill
+63      common  uname                   sys_newuname
+64      common  semget                  sys_semget
+65      common  semop                   sys_semop
+66      common  semctl                  sys_semctl
+67      common  shmdt                   sys_shmdt
+68      common  msgget                  sys_msgget
+69      common  msgsnd                  sys_msgsnd
+70      common  msgrcv                  sys_msgrcv
+71      common  msgctl                  sys_msgctl
+72      common  fcntl                   sys_fcntl
+73      common  flock                   sys_flock
+74      common  fsync                   sys_fsync
+75      common  fdatasync               sys_fdatasync
+76      common  truncate                sys_truncate
+77      common  ftruncate               sys_ftruncate
+78      common  getdents                sys_getdents
+79      common  getcwd                  sys_getcwd
+80      common  chdir                   sys_chdir
+81      common  fchdir                  sys_fchdir
+82      common  rename                  sys_rename
+83      common  mkdir                   sys_mkdir
+84      common  rmdir                   sys_rmdir
+85      common  creat                   sys_creat
+86      common  link                    sys_link
+87      common  unlink                  sys_unlink
+88      common  symlink                 sys_symlink
+89      common  readlink                sys_readlink
+90      common  chmod                   sys_chmod
+91      common  fchmod                  sys_fchmod
+92      common  chown                   sys_chown
+93      common  fchown                  sys_fchown
+94      common  lchown                  sys_lchown
+95      common  umask                   sys_umask
+96      common  gettimeofday            sys_gettimeofday
+97      common  getrlimit               sys_getrlimit
+98      common  getrusage               sys_getrusage
+99      common  sysinfo                 sys_sysinfo
+100     common  times                   sys_times
 101     64      ptrace                  sys_ptrace
-102     64      getuid                  sys_getuid
-103     64      syslog                  sys_syslog
-104     64      getgid                  sys_getgid
-105     64      setuid                  sys_setuid
-106     64      setgid                  sys_setgid
-107     64      geteuid                 sys_geteuid
-108     64      getegid                 sys_getegid
-109     64      setpgid                 sys_setpgid
-110     64      getppid                 sys_getppid
-111     64      getpgrp                 sys_getpgrp
-112     64      setsid                  sys_setsid
-113     64      setreuid                sys_setreuid
-114     64      setregid                sys_setregid
-115     64      getgroups               sys_getgroups
-116     64      setgroups               sys_setgroups
-117     64      setresuid               sys_setresuid
-118     64      getresuid               sys_getresuid
-119     64      setresgid               sys_setresgid
-120     64      getresgid               sys_getresgid
-121     64      getpgid                 sys_getpgid
-122     64      setfsuid                sys_setfsuid
-123     64      setfsgid                sys_setfsgid
-124     64      getsid                  sys_getsid
-125     64      capget                  sys_capget
-126     64      capset                  sys_capset
+102     common  getuid                  sys_getuid
+103     common  syslog                  sys_syslog
+104     common  getgid                  sys_getgid
+105     common  setuid                  sys_setuid
+106     common  setgid                  sys_setgid
+107     common  geteuid                 sys_geteuid
+108     common  getegid                 sys_getegid
+109     common  setpgid                 sys_setpgid
+110     common  getppid                 sys_getppid
+111     common  getpgrp                 sys_getpgrp
+112     common  setsid                  sys_setsid
+113     common  setreuid                sys_setreuid
+114     common  setregid                sys_setregid
+115     common  getgroups               sys_getgroups
+116     common  setgroups               sys_setgroups
+117     common  setresuid               sys_setresuid
+118     common  getresuid               sys_getresuid
+119     common  setresgid               sys_setresgid
+120     common  getresgid               sys_getresgid
+121     common  getpgid                 sys_getpgid
+122     common  setfsuid                sys_setfsuid
+123     common  setfsgid                sys_setfsgid
+124     common  getsid                  sys_getsid
+125     common  capget                  sys_capget
+126     common  capset                  sys_capset
 127     64      rt_sigpending           sys_rt_sigpending
 128     64      rt_sigtimedwait         sys_rt_sigtimedwait
 129     64      rt_sigqueueinfo         sys_rt_sigqueueinfo
-130     64      rt_sigsuspend           sys_rt_sigsuspend
+130     common  rt_sigsuspend           sys_rt_sigsuspend
 131     64      sigaltstack             stub_sigaltstack
-132     64      utime                   sys_utime
-133     64      mknod                   sys_mknod
+132     common  utime                   sys_utime
+133     common  mknod                   sys_mknod
 134     64      uselib
-135     64      personality             sys_personality
-136     64      ustat                   sys_ustat
-137     64      statfs                  sys_statfs
-138     64      fstatfs                 sys_fstatfs
-139     64      sysfs                   sys_sysfs
-140     64      getpriority             sys_getpriority
-141     64      setpriority             sys_setpriority
-142     64      sched_setparam          sys_sched_setparam
-143     64      sched_getparam          sys_sched_getparam
-144     64      sched_setscheduler      sys_sched_setscheduler
-145     64      sched_getscheduler      sys_sched_getscheduler
-146     64      sched_get_priority_max  sys_sched_get_priority_max
-147     64      sched_get_priority_min  sys_sched_get_priority_min
-148     64      sched_rr_get_interval   sys_sched_rr_get_interval
-149     64      mlock                   sys_mlock
-150     64      munlock                 sys_munlock
-151     64      mlockall                sys_mlockall
-152     64      munlockall              sys_munlockall
-153     64      vhangup                 sys_vhangup
-154     64      modify_ldt              sys_modify_ldt
-155     64      pivot_root              sys_pivot_root
+135     common  personality             sys_personality
+136     common  ustat                   sys_ustat
+137     common  statfs                  sys_statfs
+138     common  fstatfs                 sys_fstatfs
+139     common  sysfs                   sys_sysfs
+140     common  getpriority             sys_getpriority
+141     common  setpriority             sys_setpriority
+142     common  sched_setparam          sys_sched_setparam
+143     common  sched_getparam          sys_sched_getparam
+144     common  sched_setscheduler      sys_sched_setscheduler
+145     common  sched_getscheduler      sys_sched_getscheduler
+146     common  sched_get_priority_max  sys_sched_get_priority_max
+147     common  sched_get_priority_min  sys_sched_get_priority_min
+148     common  sched_rr_get_interval   sys_sched_rr_get_interval
+149     common  mlock                   sys_mlock
+150     common  munlock                 sys_munlock
+151     common  mlockall                sys_mlockall
+152     common  munlockall              sys_munlockall
+153     common  vhangup                 sys_vhangup
+154     common  modify_ldt              sys_modify_ldt
+155     common  pivot_root              sys_pivot_root
 156     64      _sysctl                 sys_sysctl
-157     64      prctl                   sys_prctl
-158     64      arch_prctl              sys_arch_prctl
-159     64      adjtimex                sys_adjtimex
-160     64      setrlimit               sys_setrlimit
-161     64      chroot                  sys_chroot
-162     64      sync                    sys_sync
-163     64      acct                    sys_acct
-164     64      settimeofday            sys_settimeofday
-165     64      mount                   sys_mount
-166     64      umount2                 sys_umount
-167     64      swapon                  sys_swapon
-168     64      swapoff                 sys_swapoff
-169     64      reboot                  sys_reboot
-170     64      sethostname             sys_sethostname
-171     64      setdomainname           sys_setdomainname
-172     64      iopl                    stub_iopl
-173     64      ioperm                  sys_ioperm
+157     common  prctl                   sys_prctl
+158     common  arch_prctl              sys_arch_prctl
+159     common  adjtimex                sys_adjtimex
+160     common  setrlimit               sys_setrlimit
+161     common  chroot                  sys_chroot
+162     common  sync                    sys_sync
+163     common  acct                    sys_acct
+164     common  settimeofday            sys_settimeofday
+165     common  mount                   sys_mount
+166     common  umount2                 sys_umount
+167     common  swapon                  sys_swapon
+168     common  swapoff                 sys_swapoff
+169     common  reboot                  sys_reboot
+170     common  sethostname             sys_sethostname
+171     common  setdomainname           sys_setdomainname
+172     common  iopl                    stub_iopl
+173     common  ioperm                  sys_ioperm
 174     64      create_module
-175     64      init_module             sys_init_module
-176     64      delete_module           sys_delete_module
+175     common  init_module             sys_init_module
+176     common  delete_module           sys_delete_module
 177     64      get_kernel_syms
 178     64      query_module
-179     64      quotactl                sys_quotactl
+179     common  quotactl                sys_quotactl
 180     64      nfsservctl
-181     64      getpmsg
-182     64      putpmsg
-183     64      afs_syscall
-184     64      tuxcall
-185     64      security
-186     64      gettid                  sys_gettid
-187     64      readahead               sys_readahead
-188     64      setxattr                sys_setxattr
-189     64      lsetxattr               sys_lsetxattr
-190     64      fsetxattr               sys_fsetxattr
-191     64      getxattr                sys_getxattr
-192     64      lgetxattr               sys_lgetxattr
-193     64      fgetxattr               sys_fgetxattr
-194     64      listxattr               sys_listxattr
-195     64      llistxattr              sys_llistxattr
-196     64      flistxattr              sys_flistxattr
-197     64      removexattr             sys_removexattr
-198     64      lremovexattr            sys_lremovexattr
-199     64      fremovexattr            sys_fremovexattr
-200     64      tkill                   sys_tkill
-201     64      time                    sys_time
-202     64      futex                   sys_futex
-203     64      sched_setaffinity       sys_sched_setaffinity
-204     64      sched_getaffinity       sys_sched_getaffinity
+181     common  getpmsg
+182     common  putpmsg
+183     common  afs_syscall
+184     common  tuxcall
+185     common  security
+186     common  gettid                  sys_gettid
+187     common  readahead               sys_readahead
+188     common  setxattr                sys_setxattr
+189     common  lsetxattr               sys_lsetxattr
+190     common  fsetxattr               sys_fsetxattr
+191     common  getxattr                sys_getxattr
+192     common  lgetxattr               sys_lgetxattr
+193     common  fgetxattr               sys_fgetxattr
+194     common  listxattr               sys_listxattr
+195     common  llistxattr              sys_llistxattr
+196     common  flistxattr              sys_flistxattr
+197     common  removexattr             sys_removexattr
+198     common  lremovexattr            sys_lremovexattr
+199     common  fremovexattr            sys_fremovexattr
+200     common  tkill                   sys_tkill
+201     common  time                    sys_time
+202     common  futex                   sys_futex
+203     common  sched_setaffinity       sys_sched_setaffinity
+204     common  sched_getaffinity       sys_sched_getaffinity
 205     64      set_thread_area
-206     64      io_setup                sys_io_setup
-207     64      io_destroy              sys_io_destroy
-208     64      io_getevents            sys_io_getevents
-209     64      io_submit               sys_io_submit
-210     64      io_cancel               sys_io_cancel
+206     common  io_setup                sys_io_setup
+207     common  io_destroy              sys_io_destroy
+208     common  io_getevents            sys_io_getevents
+209     common  io_submit               sys_io_submit
+210     common  io_cancel               sys_io_cancel
 211     64      get_thread_area
-212     64      lookup_dcookie          sys_lookup_dcookie
-213     64      epoll_create            sys_epoll_create
+212     common  lookup_dcookie          sys_lookup_dcookie
+213     common  epoll_create            sys_epoll_create
 214     64      epoll_ctl_old
 215     64      epoll_wait_old
-216     64      remap_file_pages        sys_remap_file_pages
-217     64      getdents64              sys_getdents64
-218     64      set_tid_address         sys_set_tid_address
-219     64      restart_syscall         sys_restart_syscall
-220     64      semtimedop              sys_semtimedop
-221     64      fadvise64               sys_fadvise64
+216     common  remap_file_pages        sys_remap_file_pages
+217     common  getdents64              sys_getdents64
+218     common  set_tid_address         sys_set_tid_address
+219     common  restart_syscall         sys_restart_syscall
+220     common  semtimedop              sys_semtimedop
+221     common  fadvise64               sys_fadvise64
 222     64      timer_create            sys_timer_create
-223     64      timer_settime           sys_timer_settime
-224     64      timer_gettime           sys_timer_gettime
-225     64      timer_getoverrun        sys_timer_getoverrun
-226     64      timer_delete            sys_timer_delete
-227     64      clock_settime           sys_clock_settime
-228     64      clock_gettime           sys_clock_gettime
-229     64      clock_getres            sys_clock_getres
-230     64      clock_nanosleep         sys_clock_nanosleep
-231     64      exit_group              sys_exit_group
-232     64      epoll_wait              sys_epoll_wait
-233     64      epoll_ctl               sys_epoll_ctl
-234     64      tgkill                  sys_tgkill
-235     64      utimes                  sys_utimes
+223     common  timer_settime           sys_timer_settime
+224     common  timer_gettime           sys_timer_gettime
+225     common  timer_getoverrun        sys_timer_getoverrun
+226     common  timer_delete            sys_timer_delete
+227     common  clock_settime           sys_clock_settime
+228     common  clock_gettime           sys_clock_gettime
+229     common  clock_getres            sys_clock_getres
+230     common  clock_nanosleep         sys_clock_nanosleep
+231     common  exit_group              sys_exit_group
+232     common  epoll_wait              sys_epoll_wait
+233     common  epoll_ctl               sys_epoll_ctl
+234     common  tgkill                  sys_tgkill
+235     common  utimes                  sys_utimes
 236     64      vserver
-237     64      mbind                   sys_mbind
-238     64      set_mempolicy           sys_set_mempolicy
-239     64      get_mempolicy           sys_get_mempolicy
-240     64      mq_open                 sys_mq_open
-241     64      mq_unlink               sys_mq_unlink
-242     64      mq_timedsend            sys_mq_timedsend
-243     64      mq_timedreceive         sys_mq_timedreceive
+237     common  mbind                   sys_mbind
+238     common  set_mempolicy           sys_set_mempolicy
+239     common  get_mempolicy           sys_get_mempolicy
+240     common  mq_open                 sys_mq_open
+241     common  mq_unlink               sys_mq_unlink
+242     common  mq_timedsend            sys_mq_timedsend
+243     common  mq_timedreceive         sys_mq_timedreceive
 244     64      mq_notify               sys_mq_notify
-245     64      mq_getsetattr           sys_mq_getsetattr
+245     common  mq_getsetattr           sys_mq_getsetattr
 246     64      kexec_load              sys_kexec_load
 247     64      waitid                  sys_waitid
-248     64      add_key                 sys_add_key
-249     64      request_key             sys_request_key
-250     64      keyctl                  sys_keyctl
-251     64      ioprio_set              sys_ioprio_set
-252     64      ioprio_get              sys_ioprio_get
-253     64      inotify_init            sys_inotify_init
-254     64      inotify_add_watch       sys_inotify_add_watch
-255     64      inotify_rm_watch        sys_inotify_rm_watch
-256     64      migrate_pages           sys_migrate_pages
-257     64      openat                  sys_openat
-258     64      mkdirat                 sys_mkdirat
-259     64      mknodat                 sys_mknodat
-260     64      fchownat                sys_fchownat
-261     64      futimesat               sys_futimesat
-262     64      newfstatat              sys_newfstatat
-263     64      unlinkat                sys_unlinkat
-264     64      renameat                sys_renameat
-265     64      linkat                  sys_linkat
-266     64      symlinkat               sys_symlinkat
-267     64      readlinkat              sys_readlinkat
-268     64      fchmodat                sys_fchmodat
-269     64      faccessat               sys_faccessat
-270     64      pselect6                sys_pselect6
-271     64      ppoll                   sys_ppoll
-272     64      unshare                 sys_unshare
+248     common  add_key                 sys_add_key
+249     common  request_key             sys_request_key
+250     common  keyctl                  sys_keyctl
+251     common  ioprio_set              sys_ioprio_set
+252     common  ioprio_get              sys_ioprio_get
+253     common  inotify_init            sys_inotify_init
+254     common  inotify_add_watch       sys_inotify_add_watch
+255     common  inotify_rm_watch        sys_inotify_rm_watch
+256     common  migrate_pages           sys_migrate_pages
+257     common  openat                  sys_openat
+258     common  mkdirat                 sys_mkdirat
+259     common  mknodat                 sys_mknodat
+260     common  fchownat                sys_fchownat
+261     common  futimesat               sys_futimesat
+262     common  newfstatat              sys_newfstatat
+263     common  unlinkat                sys_unlinkat
+264     common  renameat                sys_renameat
+265     common  linkat                  sys_linkat
+266     common  symlinkat               sys_symlinkat
+267     common  readlinkat              sys_readlinkat
+268     common  fchmodat                sys_fchmodat
+269     common  faccessat               sys_faccessat
+270     common  pselect6                sys_pselect6
+271     common  ppoll                   sys_ppoll
+272     common  unshare                 sys_unshare
 273     64      set_robust_list         sys_set_robust_list
 274     64      get_robust_list         sys_get_robust_list
-275     64      splice                  sys_splice
-276     64      tee                     sys_tee
-277     64      sync_file_range         sys_sync_file_range
+275     common  splice                  sys_splice
+276     common  tee                     sys_tee
+277     common  sync_file_range         sys_sync_file_range
 278     64      vmsplice                sys_vmsplice
 279     64      move_pages              sys_move_pages
-280     64      utimensat               sys_utimensat
-281     64      epoll_pwait             sys_epoll_pwait
-282     64      signalfd                sys_signalfd
-283     64      timerfd_create          sys_timerfd_create
-284     64      eventfd                 sys_eventfd
-285     64      fallocate               sys_fallocate
-286     64      timerfd_settime         sys_timerfd_settime
-287     64      timerfd_gettime         sys_timerfd_gettime
-288     64      accept4                 sys_accept4
-289     64      signalfd4               sys_signalfd4
-290     64      eventfd2                sys_eventfd2
-291     64      epoll_create1           sys_epoll_create1
-292     64      dup3                    sys_dup3
-293     64      pipe2                   sys_pipe2
-294     64      inotify_init1           sys_inotify_init1
+280     common  utimensat               sys_utimensat
+281     common  epoll_pwait             sys_epoll_pwait
+282     common  signalfd                sys_signalfd
+283     common  timerfd_create          sys_timerfd_create
+284     common  eventfd                 sys_eventfd
+285     common  fallocate               sys_fallocate
+286     common  timerfd_settime         sys_timerfd_settime
+287     common  timerfd_gettime         sys_timerfd_gettime
+288     common  accept4                 sys_accept4
+289     common  signalfd4               sys_signalfd4
+290     common  eventfd2                sys_eventfd2
+291     common  epoll_create1           sys_epoll_create1
+292     common  dup3                    sys_dup3
+293     common  pipe2                   sys_pipe2
+294     common  inotify_init1           sys_inotify_init1
 295     64      preadv                  sys_preadv
 296     64      pwritev                 sys_pwritev
 297     64      rt_tgsigqueueinfo       sys_rt_tgsigqueueinfo
-298     64      perf_event_open         sys_perf_event_open
+298     common  perf_event_open         sys_perf_event_open
 299     64      recvmmsg                sys_recvmmsg
-300     64      fanotify_init           sys_fanotify_init
-301     64      fanotify_mark           sys_fanotify_mark
-302     64      prlimit64               sys_prlimit64
-303     64      name_to_handle_at       sys_name_to_handle_at
-304     64      open_by_handle_at       sys_open_by_handle_at
-305     64      clock_adjtime           sys_clock_adjtime
-306     64      syncfs                  sys_syncfs
+300     common  fanotify_init           sys_fanotify_init
+301     common  fanotify_mark           sys_fanotify_mark
+302     common  prlimit64               sys_prlimit64
+303     common  name_to_handle_at       sys_name_to_handle_at
+304     common  open_by_handle_at       sys_open_by_handle_at
+305     common  clock_adjtime           sys_clock_adjtime
+306     common  syncfs                  sys_syncfs
 307     64      sendmmsg                sys_sendmmsg
-308     64      setns                   sys_setns
-309     64      getcpu                  sys_getcpu
+308     common  setns                   sys_setns
+309     common  getcpu                  sys_getcpu
 310     64      process_vm_readv        sys_process_vm_readv
 311     64      process_vm_writev       sys_process_vm_writev
+#
+# x32-specific system call numbers start at 512 to avoid cache impact
+# for native 64-bit operation.
+#
+512     x32     rt_sigaction            sys32_rt_sigaction
+513     x32     rt_sigreturn            stub_x32_rt_sigreturn
+514     x32     ioctl                   compat_sys_ioctl
+515     x32     readv                   compat_sys_readv
+516     x32     writev                  compat_sys_writev
+517     x32     recvfrom                compat_sys_recvfrom
+518     x32     sendmsg                 compat_sys_sendmsg
+519     x32     recvmsg                 compat_sys_recvmsg
+520     x32     execve                  stub_x32_execve
+521     x32     ptrace                  compat_sys_ptrace
+522     x32     rt_sigpending           sys32_rt_sigpending
+523     x32     rt_sigtimedwait         compat_sys_rt_sigtimedwait
+524     x32     rt_sigqueueinfo         sys32_rt_sigqueueinfo
+525     x32     sigaltstack             stub_x32_sigaltstack
+526     x32     timer_create            compat_sys_timer_create
+527     x32     mq_notify               compat_sys_mq_notify
+528     x32     kexec_load              compat_sys_kexec_load
+529     x32     waitid                  compat_sys_waitid
+530     x32     set_robust_list         compat_sys_set_robust_list
+531     x32     get_robust_list         compat_sys_get_robust_list
+532     x32     vmsplice                compat_sys_vmsplice
+533     x32     move_pages              compat_sys_move_pages
+534     x32     preadv                  compat_sys_preadv64
+535     x32     pwritev                 compat_sys_pwritev64
+536     x32     rt_tgsigqueueinfo       compat_sys_rt_tgsigqueueinfo
+537     x32     recvmmsg                compat_sys_recvmmsg
+538     x32     sendmmsg                compat_sys_sendmmsg
+539     x32     process_vm_readv        compat_sys_process_vm_readv
+540     x32     process_vm_writev       compat_sys_process_vm_writev
diff --git a/arch/x86/um/sys_call_table_64.c b/arch/x86/um/sys_call_table_64.c
index fe626c3ba01..9924776f426 100644
--- a/arch/x86/um/sys_call_table_64.c
+++ b/arch/x86/um/sys_call_table_64.c
@@ -35,6 +35,9 @@
 #define stub_sigaltstack sys_sigaltstack
 #define stub_rt_sigreturn sys_rt_sigreturn
 
+#define __SYSCALL_COMMON(nr, sym, compat) __SYSCALL_64(nr, sym, compat)
+#define __SYSCALL_X32(nr, sym, compat) /* Not supported */
+
 #define __SYSCALL_64(nr, sym, compat) extern asmlinkage void sym(void) ;
 #include <asm/syscalls_64.h>
 
diff --git a/arch/x86/um/user-offsets.c b/arch/x86/um/user-offsets.c
index 5edf4f4bbf5..ce7e3607a87 100644
--- a/arch/x86/um/user-offsets.c
+++ b/arch/x86/um/user-offsets.c
@@ -15,6 +15,8 @@ static char syscalls[] = {
 };
 #else
 #define __SYSCALL_64(nr, sym, compat) [nr] = 1,
+#define __SYSCALL_COMMON(nr, sym, compat) [nr] = 1,
+#define __SYSCALL_X32(nr, sym, compat) /* Not supported */
 static char syscalls[] = {
 #include <asm/syscalls_64.h>
 };
diff --git a/arch/x86/vdso/.gitignore b/arch/x86/vdso/.gitignore
index 60274d5746e..3282874bc61 100644
--- a/arch/x86/vdso/.gitignore
+++ b/arch/x86/vdso/.gitignore
@@ -1,5 +1,7 @@
 vdso.lds
 vdso-syms.lds
+vdsox32.lds
+vdsox32-syms.lds
 vdso32-syms.lds
 vdso32-syscall-syms.lds
 vdso32-sysenter-syms.lds
diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile
index 5d179502a52..fd14be1d147 100644
--- a/arch/x86/vdso/Makefile
+++ b/arch/x86/vdso/Makefile
@@ -3,21 +3,29 @@
 #
 
 VDSO64-$(CONFIG_X86_64)         := y
+VDSOX32-$(CONFIG_X86_X32_ABI)   := y
 VDSO32-$(CONFIG_X86_32)         := y
 VDSO32-$(CONFIG_COMPAT)         := y
 
 vdso-install-$(VDSO64-y)        += vdso.so
+vdso-install-$(VDSOX32-y)       += vdsox32.so
 vdso-install-$(VDSO32-y)        += $(vdso32-images)
 
 
 # files to link into the vdso
 vobjs-y := vdso-note.o vclock_gettime.o vgetcpu.o
 
+vobjs-$(VDSOX32-y) += $(vobjx32s-compat)
+
+# Filter out x32 objects.
+vobj64s := $(filter-out $(vobjx32s-compat),$(vobjs-y))
+
 # files to link into kernel
 obj-$(VDSO64-y)                 += vma.o vdso.o
+obj-$(VDSOX32-y)                += vdsox32.o
 obj-$(VDSO32-y)                 += vdso32.o vdso32-setup.o
 
-vobjs := $(foreach F,$(vobjs-y),$(obj)/$F)
+vobjs := $(foreach F,$(vobj64s),$(obj)/$F)
 
 $(obj)/vdso.o: $(obj)/vdso.so
 
@@ -73,6 +81,42 @@ $(obj)/%-syms.lds: $(obj)/%.so.dbg FORCE
         $(call if_changed,vdsosym)
 
 #
+# X32 processes use x32 vDSO to access 64bit kernel data.
+#
+# Build x32 vDSO image:
+# 1. Compile x32 vDSO as 64bit.
+# 2. Convert object files to x32.
+# 3. Build x32 VDSO image with x32 objects, which contains 64bit codes
+# so that it can reach 64bit address space with 64bit pointers.
+#
+
+targets += vdsox32-syms.lds
+obj-$(VDSOX32-y)                += vdsox32-syms.lds
+
+CPPFLAGS_vdsox32.lds = $(CPPFLAGS_vdso.lds)
+VDSO_LDFLAGS_vdsox32.lds = -Wl,-m,elf32_x86_64 \
+                           -Wl,-soname=linux-vdso.so.1 \
+                           -Wl,-z,max-page-size=4096 \
+                           -Wl,-z,common-page-size=4096
+
+vobjx32s-y := $(vobj64s:.o=-x32.o)
+vobjx32s := $(foreach F,$(vobjx32s-y),$(obj)/$F)
+
+# Convert 64bit object file to x32 for x32 vDSO.
+quiet_cmd_x32 = X32     $@
+      cmd_x32 = $(OBJCOPY) -O elf32-x86-64 $< $@
+
+$(obj)/%-x32.o: $(obj)/%.o FORCE
+        $(call if_changed,x32)
+
+targets += vdsox32.so vdsox32.so.dbg vdsox32.lds $(vobjx32s-y)
+
+$(obj)/vdsox32.o: $(src)/vdsox32.S $(obj)/vdsox32.so
+
+$(obj)/vdsox32.so.dbg: $(src)/vdsox32.lds $(vobjx32s) FORCE
+        $(call if_changed,vdso)
+
+#
 # Build multiple 32-bit vDSO images to choose from at boot time.
 #
 obj-$(VDSO32-y)                 += vdso32-syms.lds
diff --git a/arch/x86/vdso/vdso32-setup.c b/arch/x86/vdso/vdso32-setup.c
index 468d591dde3..10f9f59477d 100644
--- a/arch/x86/vdso/vdso32-setup.c
+++ b/arch/x86/vdso/vdso32-setup.c
@@ -317,6 +317,11 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
         int ret = 0;
         bool compat;
 
+#ifdef CONFIG_X86_X32_ABI
+        if (test_thread_flag(TIF_X32))
+                return x32_setup_additional_pages(bprm, uses_interp);
+#endif
+
         if (vdso_enabled == VDSO_DISABLED)
                 return 0;
 
diff --git a/arch/x86/vdso/vdsox32.S b/arch/x86/vdso/vdsox32.S
new file mode 100644
index 00000000000..d6b9a7f42a8
--- /dev/null
+++ b/arch/x86/vdso/vdsox32.S
@@ -0,0 +1,22 @@
+#include <asm/page_types.h>
+#include <linux/linkage.h>
+#include <linux/init.h>
+
+__PAGE_ALIGNED_DATA
+
+        .globl vdsox32_start, vdsox32_end
+        .align PAGE_SIZE
+vdsox32_start:
+        .incbin "arch/x86/vdso/vdsox32.so"
+vdsox32_end:
+        .align PAGE_SIZE /* extra data here leaks to userspace. */
+
+.previous
+
+        .globl vdsox32_pages
+        .bss
+        .align 8
+        .type vdsox32_pages, @object
+vdsox32_pages:
+        .zero (vdsox32_end - vdsox32_start + PAGE_SIZE - 1) / PAGE_SIZE * 8
+        .size vdsox32_pages, .-vdsox32_pages
diff --git a/arch/x86/vdso/vdsox32.lds.S b/arch/x86/vdso/vdsox32.lds.S
new file mode 100644
index 00000000000..62272aa2ae0
--- /dev/null
+++ b/arch/x86/vdso/vdsox32.lds.S
@@ -0,0 +1,28 @@
+/*
+ * Linker script for x32 vDSO.
+ * We #include the file to define the layout details.
+ * Here we only choose the prelinked virtual address.
+ *
+ * This file defines the version script giving the user-exported symbols in
+ * the DSO.  We can define local symbols here called VDSO* to make their
+ * values visible using the asm-x86/vdso.h macros from the kernel proper.
+ */
+
+#define VDSO_PRELINK 0
+#include "vdso-layout.lds.S"
+
+/*
+ * This controls what userland symbols we export from the vDSO.
+ */
+VERSION {
+        LINUX_2.6 {
+        global:
+                __vdso_clock_gettime;
+                __vdso_gettimeofday;
+                __vdso_getcpu;
+                __vdso_time;
+        local: *;
+        };
+}
+
+VDSOX32_PRELINK = VDSO_PRELINK;
diff --git a/arch/x86/vdso/vma.c b/arch/x86/vdso/vma.c
index 153407c35b7..d7dce1dbf8c 100644
--- a/arch/x86/vdso/vma.c
+++ b/arch/x86/vdso/vma.c
@@ -24,7 +24,44 @@ extern unsigned short vdso_sync_cpuid;
 extern struct page *vdso_pages[];
 static unsigned vdso_size;
 
-static void __init patch_vdso(void *vdso, size_t len)
+#ifdef CONFIG_X86_X32_ABI
+extern char vdsox32_start[], vdsox32_end[];
+extern struct page *vdsox32_pages[];
+static unsigned vdsox32_size;
+
+static void __init patch_vdsox32(void *vdso, size_t len)
+{
+        Elf32_Ehdr *hdr = vdso;
+        Elf32_Shdr *sechdrs, *alt_sec = 0;
+        char *secstrings;
+        void *alt_data;
+        int i;
+
+        BUG_ON(len < sizeof(Elf32_Ehdr));
+        BUG_ON(memcmp(hdr->e_ident, ELFMAG, SELFMAG) != 0);
+
+        sechdrs = (void *)hdr + hdr->e_shoff;
+        secstrings = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset;
+
+        for (i = 1; i < hdr->e_shnum; i++) {
+                Elf32_Shdr *shdr = &sechdrs[i];
+                if (!strcmp(secstrings + shdr->sh_name, ".altinstructions")) {
+                        alt_sec = shdr;
+                        goto found;
+                }
+        }
+
+        /* If we get here, it's probably a bug. */
+        pr_warning("patch_vdsox32: .altinstructions not found\n");
+        return;  /* nothing to patch */
+
+found:
+        alt_data = (void *)hdr + alt_sec->sh_offset;
+        apply_alternatives(alt_data, alt_data + alt_sec->sh_size);
+}
+#endif
+
+static void __init patch_vdso64(void *vdso, size_t len)
 {
         Elf64_Ehdr *hdr = vdso;
         Elf64_Shdr *sechdrs, *alt_sec = 0;
@@ -47,7 +84,7 @@ static void __init patch_vdso(void *vdso, size_t len)
         }
 
         /* If we get here, it's probably a bug. */
-        pr_warning("patch_vdso: .altinstructions not found\n");
+        pr_warning("patch_vdso64: .altinstructions not found\n");
         return;  /* nothing to patch */
 
 found:
@@ -60,12 +97,20 @@ static int __init init_vdso(void)
         int npages = (vdso_end - vdso_start + PAGE_SIZE - 1) / PAGE_SIZE;
         int i;
 
-        patch_vdso(vdso_start, vdso_end - vdso_start);
+        patch_vdso64(vdso_start, vdso_end - vdso_start);
 
         vdso_size = npages << PAGE_SHIFT;
         for (i = 0; i < npages; i++)
                 vdso_pages[i] = virt_to_page(vdso_start + i*PAGE_SIZE);
 
+#ifdef CONFIG_X86_X32_ABI
+        patch_vdsox32(vdsox32_start, vdsox32_end - vdsox32_start);
+        npages = (vdsox32_end - vdsox32_start + PAGE_SIZE - 1) / PAGE_SIZE;
+        vdsox32_size = npages << PAGE_SHIFT;
+        for (i = 0; i < npages; i++)
+                vdsox32_pages[i] = virt_to_page(vdsox32_start + i*PAGE_SIZE);
+#endif
+
         return 0;
 }
 subsys_initcall(init_vdso);
@@ -103,7 +148,10 @@ static unsigned long vdso_addr(unsigned long start, unsigned len)
 
 /* Setup a VMA at program startup for the vsyscall page.
    Not called for compat tasks */
-int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
+static int setup_additional_pages(struct linux_binprm *bprm,
+                                  int uses_interp,
+                                  struct page **pages,
+                                  unsigned size)
 {
         struct mm_struct *mm = current->mm;
         unsigned long addr;
@@ -113,8 +161,8 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
                 return 0;
 
         down_write(&mm->mmap_sem);
-        addr = vdso_addr(mm->start_stack, vdso_size);
-        addr = get_unmapped_area(NULL, addr, vdso_size, 0, 0);
+        addr = vdso_addr(mm->start_stack, size);
+        addr = get_unmapped_area(NULL, addr, size, 0, 0);
         if (IS_ERR_VALUE(addr)) {
                 ret = addr;
                 goto up_fail;
@@ -122,11 +170,11 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
 
         current->mm->context.vdso = (void *)addr;
 
-        ret = install_special_mapping(mm, addr, vdso_size,
+        ret = install_special_mapping(mm, addr, size,
                                       VM_READ|VM_EXEC|
                                       VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC|
                                       VM_ALWAYSDUMP,
-                                      vdso_pages);
+                                      pages);
         if (ret) {
                 current->mm->context.vdso = NULL;
                 goto up_fail;
@@ -137,6 +185,20 @@ up_fail:
         return ret;
 }
 
+int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
+{
+        return setup_additional_pages(bprm, uses_interp, vdso_pages,
+                                      vdso_size);
+}
+
+#ifdef CONFIG_X86_X32_ABI
+int x32_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
+{
+        return setup_additional_pages(bprm, uses_interp, vdsox32_pages,
+                                      vdsox32_size);
+}
+#endif
+
 static __init int vdso_setup(char *s)
 {
         vdso_enabled = simple_strtoul(s, NULL, 0);
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 12eb07bfb26..4172af8ceeb 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1141,7 +1141,9 @@ asmlinkage void __init xen_start_kernel(void)
 
         /* Prevent unwanted bits from being set in PTEs. */
         __supported_pte_mask &= ~_PAGE_GLOBAL;
+#if 0
         if (!xen_initial_domain())
+#endif
                 __supported_pte_mask &= ~(_PAGE_PWT | _PAGE_PCD);
 
         __supported_pte_mask |= _PAGE_IOMAP;
@@ -1204,10 +1206,6 @@ asmlinkage void __init xen_start_kernel(void)
 
         pgd = (pgd_t *)xen_start_info->pt_base;
 
-        if (!xen_initial_domain())
-                __supported_pte_mask &= ~(_PAGE_PWT | _PAGE_PCD);
-
-        __supported_pte_mask |= _PAGE_IOMAP;
         /* Don't do the full vcpu_info placement stuff until we have a
            possible map and a non-dummy shared_info. */
         per_cpu(xen_vcpu, 0) = &HYPERVISOR_shared_info->vcpu_info[0];
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 58a0e46c404..95c1cf60c66 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -415,13 +415,13 @@ static pteval_t iomap_pte(pteval_t val)
 static pteval_t xen_pte_val(pte_t pte)
 {
         pteval_t pteval = pte.pte;
-
+#if 0
         /* If this is a WC pte, convert back from Xen WC to Linux WC */
         if ((pteval & (_PAGE_PAT | _PAGE_PCD | _PAGE_PWT)) == _PAGE_PAT) {
                 WARN_ON(!pat_enabled);
                 pteval = (pteval & ~_PAGE_PAT) | _PAGE_PWT;
         }
-
+#endif
         if (xen_initial_domain() && (pteval & _PAGE_IOMAP))
                 return pteval;
 
@@ -463,7 +463,7 @@ void xen_set_pat(u64 pat)
 static pte_t xen_make_pte(pteval_t pte)
 {
         phys_addr_t addr = (pte & PTE_PFN_MASK);
-
+#if 0
         /* If Linux is trying to set a WC pte, then map to the Xen WC.
          * If _PAGE_PAT is set, then it probably means it is really
          * _PAGE_PSE, so avoid fiddling with the PAT mapping and hope
@@ -476,7 +476,7 @@ static pte_t xen_make_pte(pteval_t pte)
                 if ((pte & (_PAGE_PCD | _PAGE_PWT)) == _PAGE_PWT)
                         pte = (pte & ~(_PAGE_PCD | _PAGE_PWT)) | _PAGE_PAT;
         }
-
+#endif
         /*
          * Unprivileged domains are allowed to do IOMAPpings for
          * PCI passthrough, but not map ISA space.  The ISA
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 041d4fe9dfe..501d4e0244b 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -409,6 +409,13 @@ static void __cpuinit xen_play_dead(void) /* used only with HOTPLUG_CPU */
         play_dead_common();
         HYPERVISOR_vcpu_op(VCPUOP_down, smp_processor_id(), NULL);
         cpu_bringup();
+        /*
+         * Balance out the preempt calls - as we are running in cpu_idle
+         * loop which has been called at bootup from cpu_bringup_and_idle.
+         * The cpucpu_bringup_and_idle called cpu_bringup which made a
+         * preempt_disable() So this preempt_enable will balance it out.
+         */
+        preempt_enable();
 }
 
 #else /* !CONFIG_HOTPLUG_CPU */
diff --git a/arch/xtensa/include/asm/posix_types.h b/arch/xtensa/include/asm/posix_types.h
index 6b2190c3588..6e96be0d02d 100644
--- a/arch/xtensa/include/asm/posix_types.h
+++ b/arch/xtensa/include/asm/posix_types.h
@@ -19,104 +19,21 @@
  * assume GCC is being used.
  */
 
-typedef unsigned long   __kernel_ino_t;
-typedef unsigned int    __kernel_mode_t;
-typedef unsigned long   __kernel_nlink_t;
-typedef long            __kernel_off_t;
-typedef int             __kernel_pid_t;
 typedef unsigned short  __kernel_ipc_pid_t;
-typedef unsigned int    __kernel_uid_t;
-typedef unsigned int    __kernel_gid_t;
+#define __kernel_ipc_pid_t __kernel_ipc_pid_t
+
 typedef unsigned int    __kernel_size_t;
 typedef int             __kernel_ssize_t;
 typedef long            __kernel_ptrdiff_t;
-typedef long            __kernel_time_t;
-typedef long            __kernel_suseconds_t;
-typedef long            __kernel_clock_t;
-typedef int             __kernel_timer_t;
-typedef int             __kernel_clockid_t;
-typedef int             __kernel_daddr_t;
-typedef char *          __kernel_caddr_t;
-typedef unsigned short  __kernel_uid16_t;
-typedef unsigned short  __kernel_gid16_t;
-typedef unsigned int    __kernel_uid32_t;
-typedef unsigned int    __kernel_gid32_t;
+#define __kernel_size_t __kernel_size_t
 
 typedef unsigned short  __kernel_old_uid_t;
 typedef unsigned short  __kernel_old_gid_t;
-typedef unsigned short  __kernel_old_dev_t;
-
-#ifdef __GNUC__
-typedef long long       __kernel_loff_t;
-#endif
-
-typedef struct {
-        int     val[2];
-} __kernel_fsid_t;
-
-#ifndef __GNUC__
-
-#define __FD_SET(d, set)        ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
-#define __FD_CLR(d, set)        ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
-#define __FD_ISSET(d, set)      (!!((set)->fds_bits[__FDELT(d)] & __FDMASK(d)))
-#define __FD_ZERO(set)  \
-  ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set)))
-
-#else /* __GNUC__ */
+#define __kernel_old_uid_t __kernel_old_uid_t
 
-#if defined(__KERNEL__)
-/* With GNU C, use inline functions instead so args are evaluated only once: */
-
-#undef __FD_SET
-static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
-{
-        unsigned long _tmp = fd / __NFDBITS;
-        unsigned long _rem = fd % __NFDBITS;
-        fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
-}
-
-#undef __FD_CLR
-static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
-{
-        unsigned long _tmp = fd / __NFDBITS;
-        unsigned long _rem = fd % __NFDBITS;
-        fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
-}
-
-#undef __FD_ISSET
-static __inline__ int __FD_ISSET(unsigned long fd, __kernel_fd_set *p)
-{
-        unsigned long _tmp = fd / __NFDBITS;
-        unsigned long _rem = fd % __NFDBITS;
-        return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
-}
-
-/*
- * This will unroll the loop for the normal constant case (8 ints,
- * for a 256-bit fd_set)
- */
-#undef __FD_ZERO
-static __inline__ void __FD_ZERO(__kernel_fd_set *p)
-{
-        unsigned int *tmp = (unsigned int *)p->fds_bits;
-        int i;
+typedef unsigned short  __kernel_old_dev_t;
+#define __kernel_old_dev_t __kernel_old_dev_t
 
-        if (__builtin_constant_p(__FDSET_LONGS)) {
-                switch (__FDSET_LONGS) {
-                        case 8:
-                                tmp[0] = 0; tmp[1] = 0; tmp[2] = 0; tmp[3] = 0;
-                                tmp[4] = 0; tmp[5] = 0; tmp[6] = 0; tmp[7] = 0;
-                                return;
-                }
-        }
-        i = __FDSET_LONGS;
-        while (i) {
-                i--;
-                *tmp = 0;
-                tmp++;
-        }
-}
+#include <asm-generic/posix_types.h>
 
-#endif /* defined(__KERNEL__) */
-#endif /* __GNUC__ */
 #endif /* _XTENSA_POSIX_TYPES_H */
diff --git a/arch/xtensa/include/asm/string.h b/arch/xtensa/include/asm/string.h
index 5fb8c27cbef..405a8c49ff2 100644
--- a/arch/xtensa/include/asm/string.h
+++ b/arch/xtensa/include/asm/string.h
@@ -118,7 +118,4 @@ extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
 /* Don't build bcopy at all ...  */
 #define __HAVE_ARCH_BCOPY
 
-#define __HAVE_ARCH_MEMSCAN
-#define memscan memchr
-
 #endif  /* _XTENSA_STRING_H */