336 files changed, 2408 insertions, 1285 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 60cde53d266c..8bb936226dee 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -51,7 +51,7 @@ config GENERIC_CMOS_UPDATE
        def_bool y
 config GENERIC_GPIO
-        def_bool y
+        bool
 config ZONE_DMA
        bool
diff --git a/arch/alpha/include/asm/sysinfo.h b/arch/alpha/include/asm/sysinfo.h
index 086aba284df2..e77d77cd07b8 100644
--- a/arch/alpha/include/asm/sysinfo.h
+++ b/arch/alpha/include/asm/sysinfo.h
@@ -27,13 +27,4 @@
 #define UAC_NOFIX                       2
 #define UAC_SIGBUS                      4
-#ifdef __KERNEL__
-/* This is the shift that is applied to the UAC bits as stored in the
-   per-thread flags.  See thread_info.h.  */
-#define UAC_SHIFT                       6
-#endif
 #endif /* __ASM_ALPHA_SYSINFO_H */
diff --git a/arch/alpha/include/asm/thread_info.h b/arch/alpha/include/asm/thread_info.h
index 6f32f9c84a2d..ff73db022342 100644
--- a/arch/alpha/include/asm/thread_info.h
+++ b/arch/alpha/include/asm/thread_info.h
@@ -74,9 +74,9 @@ register struct thread_info *__current_thread_info __asm__("$8");
 #define TIF_NEED_RESCHED        3       /* rescheduling necessary */
 #define TIF_POLLING_NRFLAG      8       /* poll_idle is polling NEED_RESCHED */
 #define TIF_DIE_IF_KERNEL       9       /* dik recursion lock */
-#define TIF_UAC_NOPRINT         10      /* see sysinfo.h */
+#define TIF_UAC_NOPRINT         10      /* ! Preserve sequence of following */
-#define TIF_UAC_NOFIX           11
+#define TIF_UAC_NOFIX           11      /* ! flags as they match            */
-#define TIF_UAC_SIGBUS          12
+#define TIF_UAC_SIGBUS          12      /* ! userspace part of 'osf_sysinfo' */
 #define TIF_MEMDIE              13      /* is terminating due to OOM killer */
 #define TIF_RESTORE_SIGMASK     14      /* restore signal mask in do_signal */
 #define TIF_FREEZE              16      /* is freezing for suspend */
@@ -97,7 +97,7 @@ register struct thread_info *__current_thread_info __asm__("$8");
 #define _TIF_ALLWORK_MASK       (_TIF_WORK_MASK         \
                                 | _TIF_SYSCALL_TRACE)
-#define ALPHA_UAC_SHIFT         10
+#define ALPHA_UAC_SHIFT         TIF_UAC_NOPRINT
 #define ALPHA_UAC_MASK          (1 << TIF_UAC_NOPRINT | 1 << TIF_UAC_NOFIX | \
                                 1 << TIF_UAC_SIGBUS)
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 326f0a2d56e5..01e8715e26d9 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -42,6 +42,7 @@
 #include <asm/uaccess.h>
 #include <asm/system.h>
 #include <asm/sysinfo.h>
+#include <asm/thread_info.h>
 #include <asm/hwrpb.h>
 #include <asm/processor.h>
@@ -633,9 +634,10 @@ SYSCALL_DEFINE5(osf_getsysinfo, unsigned long, op, void __user *, buffer,
        case GSI_UACPROC:
                if (nbytes < sizeof(unsigned int))
                        return -EINVAL;
-                w = (current_thread_info()->flags >> UAC_SHIFT) & UAC_BITMASK;
+                w = (current_thread_info()->flags >> ALPHA_UAC_SHIFT) &
-                if (put_user(w, (unsigned int __user *)buffer))
+                        UAC_BITMASK;
-                        return -EFAULT;
+                if (put_user(w, (unsigned int __user *)buffer))
+                        return -EFAULT;
                return 1;
        case GSI_PROC_TYPE:
@@ -756,8 +758,8 @@ SYSCALL_DEFINE5(osf_setsysinfo, unsigned long, op, void __user *, buffer,
                        case SSIN_UACPROC:
                        again:
                                old = current_thread_info()->flags;
-                                new = old & ~(UAC_BITMASK << UAC_SHIFT);
+                                new = old & ~(UAC_BITMASK << ALPHA_UAC_SHIFT);
-                                new = new | (w & UAC_BITMASK) << UAC_SHIFT;
+                                new = new | (w & UAC_BITMASK) << ALPHA_UAC_SHIFT;
                                if (cmpxchg(&current_thread_info()->flags,
                                            old, new) != old)
                                        goto again;
diff --git a/arch/alpha/kernel/systbls.S b/arch/alpha/kernel/systbls.S
index b9c28f3f1956..6acea1f96de3 100644
--- a/arch/alpha/kernel/systbls.S
+++ b/arch/alpha/kernel/systbls.S
@@ -360,7 +360,7 @@ sys_call_table:
        .quad sys_newuname
        .quad sys_nanosleep                     /* 340 */
        .quad sys_mremap
-        .quad sys_nfsservctl
+        .quad sys_ni_syscall                    /* old nfsservctl */
        .quad sys_setresuid
        .quad sys_getresuid
        .quad sys_pciconfig_read                /* 345 */
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 2c71a8f3535a..3146ed3f6eca 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -195,8 +195,7 @@ config VECTORS_BASE
          The base address of exception vectors.
 config ARM_PATCH_PHYS_VIRT
-        bool "Patch physical to virtual translations at runtime (EXPERIMENTAL)"
+        bool "Patch physical to virtual translations at runtime"
-        depends on EXPERIMENTAL
        depends on !XIP_KERNEL && MMU
        depends on !ARCH_REALVIEW || !SPARSEMEM
        help
@@ -1272,6 +1271,32 @@ config ARM_ERRATA_754327
          This workaround defines cpu_relax() as smp_mb(), preventing correctly
          written polling loops from denying visibility of updates to memory.
+config ARM_ERRATA_364296
+        bool "ARM errata: Possible cache data corruption with hit-under-miss enabled"
+        depends on CPU_V6 && !SMP
+        help
+          This options enables the workaround for the 364296 ARM1136
+          r0p2 erratum (possible cache data corruption with
+          hit-under-miss enabled). It sets the undocumented bit 31 in
+          the auxiliary control register and the FI bit in the control
+          register, thus disabling hit-under-miss without putting the
+          processor into full low interrupt latency mode. ARM11MPCore
+          is not affected.
+config ARM_ERRATA_764369
+        bool "ARM errata: Data cache line maintenance operation by MVA may not succeed"
+        depends on CPU_V7 && SMP
+        help
+          This option enables the workaround for erratum 764369
+          affecting Cortex-A9 MPCore with two or more processors (all
+          current revisions). Under certain timing circumstances, a data
+          cache line maintenance operation by MVA targeting an Inner
+          Shareable memory region may fail to proceed up to either the
+          Point of Coherency or to the Point of Unification of the
+          system. This workaround adds a DSB instruction before the
+          relevant cache maintenance functions and sets a specific bit
+          in the diagnostic control register of the SCU.
 endmenu
 source "arch/arm/common/Kconfig"
diff --git a/arch/arm/boot/compressed/mmcif-sh7372.c b/arch/arm/boot/compressed/mmcif-sh7372.c
index b6f61d9a5a1b..672ae95db5c3 100644
--- a/arch/arm/boot/compressed/mmcif-sh7372.c
+++ b/arch/arm/boot/compressed/mmcif-sh7372.c
@@ -82,7 +82,7 @@ asmlinkage void mmc_loader(unsigned char *buf, unsigned long len)
        /* Disable clock to MMC hardware block */
-        __raw_writel(__raw_readl(SMSTPCR3) & (1 << 12), SMSTPCR3);
+        __raw_writel(__raw_readl(SMSTPCR3) | (1 << 12), SMSTPCR3);
        mmc_update_progress(MMC_PROGRESS_DONE);
 }
diff --git a/arch/arm/boot/compressed/sdhi-sh7372.c b/arch/arm/boot/compressed/sdhi-sh7372.c
index d403a8b24d7f..d279294f2381 100644
--- a/arch/arm/boot/compressed/sdhi-sh7372.c
+++ b/arch/arm/boot/compressed/sdhi-sh7372.c
@@ -85,7 +85,7 @@ asmlinkage void mmc_loader(unsigned short *buf, unsigned long len)
                goto err;
        /* Disable clock to SDHI1 hardware block */
-        __raw_writel(__raw_readl(SMSTPCR3) & (1 << 13), SMSTPCR3);
+        __raw_writel(__raw_readl(SMSTPCR3) | (1 << 13), SMSTPCR3);
        mmc_update_progress(MMC_PROGRESS_DONE);
diff --git a/arch/arm/boot/dts/tegra-harmony.dts b/arch/arm/boot/dts/tegra-harmony.dts
index 4c053340ce33..e5818668d091 100644
--- a/arch/arm/boot/dts/tegra-harmony.dts
+++ b/arch/arm/boot/dts/tegra-harmony.dts
@@ -57,14 +57,14 @@
        };
        sdhci@c8000200 {
-                gpios = <&gpio 69 0>, /* cd, gpio PI5 */
+                cd-gpios = <&gpio 69 0>; /* gpio PI5 */
-                        <&gpio 57 0>, /* wp, gpio PH1 */
+                wp-gpios = <&gpio 57 0>; /* gpio PH1 */
-                        <&gpio 155 0>; /* power, gpio PT3 */
+                power-gpios = <&gpio 155 0>; /* gpio PT3 */
        };
        sdhci@c8000600 {
-                gpios = <&gpio 58 0>, /* cd, gpio PH2 */
+                cd-gpios = <&gpio 58 0>; /* gpio PH2 */
-                        <&gpio 59 0>, /* wp, gpio PH3 */
+                wp-gpios = <&gpio 59 0>; /* gpio PH3 */
-                        <&gpio 70 0>; /* power, gpio PI6 */
+                power-gpios = <&gpio 70 0>; /* gpio PI6 */
        };
 };
diff --git a/arch/arm/boot/dts/tegra-seaboard.dts b/arch/arm/boot/dts/tegra-seaboard.dts
index 1940cae00748..64cedca6fc79 100644
--- a/arch/arm/boot/dts/tegra-seaboard.dts
+++ b/arch/arm/boot/dts/tegra-seaboard.dts
@@ -21,8 +21,8 @@
        };
        sdhci@c8000400 {
-                gpios = <&gpio 69 0>, /* cd, gpio PI5 */
+                cd-gpios = <&gpio 69 0>; /* gpio PI5 */
-                        <&gpio 57 0>, /* wp, gpio PH1 */
+                wp-gpios = <&gpio 57 0>; /* gpio PH1 */
-                        <&gpio 70 0>; /* power, gpio PI6 */
+                power-gpios = <&gpio 70 0>; /* gpio PI6 */
        };
 };
diff --git a/arch/arm/common/vic.c b/arch/arm/common/vic.c
index 7aa4262ada7a..197f81c77351 100644
--- a/arch/arm/common/vic.c
+++ b/arch/arm/common/vic.c
@@ -259,7 +259,6 @@ static void __init vic_disable(void __iomem *base)
        writel(0, base + VIC_INT_SELECT);
        writel(0, base + VIC_INT_ENABLE);
        writel(~0, base + VIC_INT_ENABLE_CLEAR);
-        writel(0, base + VIC_IRQ_STATUS);
        writel(0, base + VIC_ITCR);
        writel(~0, base + VIC_INT_SOFT_CLEAR);
 }
diff --git a/arch/arm/include/asm/futex.h b/arch/arm/include/asm/futex.h
index 8c73900da9ed..253cc86318bf 100644
--- a/arch/arm/include/asm/futex.h
+++ b/arch/arm/include/asm/futex.h
@@ -25,17 +25,17 @@
 #ifdef CONFIG_SMP
-#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg)      \
+#define __futex_atomic_op(insn, ret, oldval, tmp, uaddr, oparg) \
        smp_mb();                                               \
        __asm__ __volatile__(                                   \
-        "1:     ldrex   %1, [%2]\n"                             \
+        "1:     ldrex   %1, [%3]\n"                             \
        "       " insn "\n"                                     \
-        "2:     strex   %1, %0, [%2]\n"                         \
+        "2:     strex   %2, %0, [%3]\n"                         \
-        "       teq     %1, #0\n"                               \
+        "       teq     %2, #0\n"                               \
        "       bne     1b\n"                                   \
        "       mov     %0, #0\n"                               \
-        __futex_atomic_ex_table("%4")                           \
+        __futex_atomic_ex_table("%5")                           \
-        : "=&r" (ret), "=&r" (oldval)                           \
+        : "=&r" (ret), "=&r" (oldval), "=&r" (tmp)              \
        : "r" (uaddr), "r" (oparg), "Ir" (-EFAULT)              \
        : "cc", "memory")
@@ -73,14 +73,14 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
 #include <linux/preempt.h>
 #include <asm/domain.h>
-#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg)      \
+#define __futex_atomic_op(insn, ret, oldval, tmp, uaddr, oparg) \
        __asm__ __volatile__(                                   \
-        "1:     " T(ldr) "      %1, [%2]\n"                     \
+        "1:     " T(ldr) "      %1, [%3]\n"                     \
        "       " insn "\n"                                     \
-        "2:     " T(str) "      %0, [%2]\n"                     \
+        "2:     " T(str) "      %0, [%3]\n"                     \
        "       mov     %0, #0\n"                               \
-        __futex_atomic_ex_table("%4")                           \
+        __futex_atomic_ex_table("%5")                           \
-        : "=&r" (ret), "=&r" (oldval)                           \
+        : "=&r" (ret), "=&r" (oldval), "=&r" (tmp)              \
        : "r" (uaddr), "r" (oparg), "Ir" (-EFAULT)              \
        : "cc", "memory")
@@ -117,7 +117,7 @@ futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr)
        int cmp = (encoded_op >> 24) & 15;
        int oparg = (encoded_op << 8) >> 20;
        int cmparg = (encoded_op << 20) >> 20;
-        int oldval = 0, ret;
+        int oldval = 0, ret, tmp;
        if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
                oparg = 1 << oparg;
@@ -129,19 +129,19 @@ futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr)
        switch (op) {
        case FUTEX_OP_SET:
-                __futex_atomic_op("mov  %0, %3", ret, oldval, uaddr, oparg);
+                __futex_atomic_op("mov  %0, %4", ret, oldval, tmp, uaddr, oparg);
                break;
        case FUTEX_OP_ADD:
-                __futex_atomic_op("add  %0, %1, %3", ret, oldval, uaddr, oparg);
+                __futex_atomic_op("add  %0, %1, %4", ret, oldval, tmp, uaddr, oparg);
                break;
        case FUTEX_OP_OR:
-                __futex_atomic_op("orr  %0, %1, %3", ret, oldval, uaddr, oparg);
+                __futex_atomic_op("orr  %0, %1, %4", ret, oldval, tmp, uaddr, oparg);
                break;
        case FUTEX_OP_ANDN:
-                __futex_atomic_op("and  %0, %1, %3", ret, oldval, uaddr, ~oparg);
+                __futex_atomic_op("and  %0, %1, %4", ret, oldval, tmp, uaddr, ~oparg);
                break;
        case FUTEX_OP_XOR:
-                __futex_atomic_op("eor  %0, %1, %3", ret, oldval, uaddr, oparg);
+                __futex_atomic_op("eor  %0, %1, %4", ret, oldval, tmp, uaddr, oparg);
                break;
        default:
                ret = -ENOSYS;
diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h b/arch/arm/include/asm/hardware/cache-l2x0.h
index 16bd48031583..99a6ed7e1bfd 100644
--- a/arch/arm/include/asm/hardware/cache-l2x0.h
+++ b/arch/arm/include/asm/hardware/cache-l2x0.h
@@ -45,8 +45,13 @@
 #define L2X0_CLEAN_INV_LINE_PA          0x7F0
 #define L2X0_CLEAN_INV_LINE_IDX         0x7F8
 #define L2X0_CLEAN_INV_WAY              0x7FC
-#define L2X0_LOCKDOWN_WAY_D             0x900
+/*
-#define L2X0_LOCKDOWN_WAY_I             0x904
+ * The lockdown registers repeat 8 times for L310, the L210 has only one
+ * D and one I lockdown register at 0x0900 and 0x0904.
+ */
+#define L2X0_LOCKDOWN_WAY_D_BASE        0x900
+#define L2X0_LOCKDOWN_WAY_I_BASE        0x904
+#define L2X0_LOCKDOWN_STRIDE            0x08
 #define L2X0_TEST_OPERATION             0xF00
 #define L2X0_LINE_DATA                  0xF10
 #define L2X0_LINE_TAG                   0xF30
@@ -64,7 +69,7 @@
 #define L2X0_AUX_CTRL_MASK                      0xc0000fff
 #define L2X0_AUX_CTRL_ASSOCIATIVITY_SHIFT       16
 #define L2X0_AUX_CTRL_WAY_SIZE_SHIFT            17
-#define L2X0_AUX_CTRL_WAY_SIZE_MASK             (0x3 << 17)
+#define L2X0_AUX_CTRL_WAY_SIZE_MASK             (0x7 << 17)
 #define L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT      22
 #define L2X0_AUX_CTRL_NS_LOCKDOWN_SHIFT         26
 #define L2X0_AUX_CTRL_NS_INT_CTRL_SHIFT         27
diff --git a/arch/arm/include/asm/localtimer.h b/arch/arm/include/asm/localtimer.h
index 080d74f8128d..ff66638ff54d 100644
--- a/arch/arm/include/asm/localtimer.h
+++ b/arch/arm/include/asm/localtimer.h
@@ -10,6 +10,8 @@
 #ifndef __ASM_ARM_LOCALTIMER_H
 #define __ASM_ARM_LOCALTIMER_H
+#include <linux/errno.h>
 struct clock_event_device;
 /*
diff --git a/arch/arm/include/asm/pmu.h b/arch/arm/include/asm/pmu.h
index 67c70a31a1be..b7e82c4aced6 100644
--- a/arch/arm/include/asm/pmu.h
+++ b/arch/arm/include/asm/pmu.h
@@ -41,7 +41,7 @@ struct arm_pmu_platdata {
 * encoded error on failure.
 */
 extern struct platform_device *
-reserve_pmu(enum arm_pmu_type device);
+reserve_pmu(enum arm_pmu_type type);
 /**
 * release_pmu() - Relinquish control of the performance counters
@@ -62,26 +62,26 @@ release_pmu(enum arm_pmu_type type);
 * the actual hardware initialisation.
 */
 extern int
-init_pmu(enum arm_pmu_type device);
+init_pmu(enum arm_pmu_type type);
 #else /* CONFIG_CPU_HAS_PMU */
 #include <linux/err.h>
 static inline struct platform_device *
-reserve_pmu(enum arm_pmu_type device)
+reserve_pmu(enum arm_pmu_type type)
 {
        return ERR_PTR(-ENODEV);
 }
 static inline int
-release_pmu(struct platform_device *pdev)
+release_pmu(enum arm_pmu_type type)
 {
        return -ENODEV;
 }
 static inline int
-init_pmu(enum arm_pmu_type device)
+init_pmu(enum arm_pmu_type type)
 {
        return -ENODEV;
 }
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index 2c04ed5efeb5..c60a2944f95b 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -478,8 +478,8 @@
 /*
 * Unimplemented (or alternatively implemented) syscalls
 */
-#define __IGNORE_fadvise64_64           1
+#define __IGNORE_fadvise64_64
-#define __IGNORE_migrate_pages          1
+#define __IGNORE_migrate_pages
 #endif /* __KERNEL__ */
 #endif /* __ASM_ARM_UNISTD_H */
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index 80f7896cc016..9943e9e74a1b 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -178,7 +178,7 @@
                CALL(sys_ni_syscall)            /* vm86 */
                CALL(sys_ni_syscall)            /* was sys_query_module */
                CALL(sys_poll)
-                CALL(sys_nfsservctl)
+                CALL(sys_ni_syscall)            /* was nfsservctl */
 /* 170 */       CALL(sys_setresgid16)
                CALL(sys_getresgid16)
                CALL(sys_prctl)
diff --git a/arch/arm/kernel/iwmmxt.S b/arch/arm/kernel/iwmmxt.S
index 7fa3bb0d2397..a08783823b32 100644
--- a/arch/arm/kernel/iwmmxt.S
+++ b/arch/arm/kernel/iwmmxt.S
@@ -195,10 +195,10 @@ ENTRY(iwmmxt_task_disable)
        @ enable access to CP0 and CP1
        XSC(mrc p15, 0, r4, c15, c1, 0)
-        XSC(orr r4, r4, #0xf)
+        XSC(orr r4, r4, #0x3)
        XSC(mcr p15, 0, r4, c15, c1, 0)
        PJ4(mrc p15, 0, r4, c1, c0, 2)
-        PJ4(orr r4, r4, #0x3)
+        PJ4(orr r4, r4, #0xf)
        PJ4(mcr p15, 0, r4, c1, c0, 2)
        mov     r0, #0                          @ nothing to load
@@ -313,7 +313,7 @@ ENTRY(iwmmxt_task_switch)
        teq     r2, r3                          @ next task owns it?
        movne   pc, lr                          @ no: leave Concan disabled
-1:      @ flip Conan access
+1:      @ flip Concan access
        XSC(eor r1, r1, #0x3)
        XSC(mcr p15, 0, r1, c15, c1, 0)
        PJ4(eor r1, r1, #0xf)
diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c
index 05b377616fd5..cc2020c2c709 100644
--- a/arch/arm/kernel/module.c
+++ b/arch/arm/kernel/module.c
@@ -323,7 +323,11 @@ int module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs,
 #endif
        s = find_mod_section(hdr, sechdrs, ".alt.smp.init");
        if (s && !is_smp())
+#ifdef CONFIG_SMP_ON_UP
                fixup_smp((void *)s->sh_addr, s->sh_size);
+#else
+                return -EINVAL;
+#endif
        return 0;
 }
diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c
index 4c851834f68e..6be3e2e4d838 100644
--- a/arch/arm/kernel/perf_event_v7.c
+++ b/arch/arm/kernel/perf_event_v7.c
@@ -321,8 +321,8 @@ static const unsigned armv7_a9_perf_map[PERF_COUNT_HW_MAX] = {
        [PERF_COUNT_HW_CPU_CYCLES]          = ARMV7_PERFCTR_CPU_CYCLES,
        [PERF_COUNT_HW_INSTRUCTIONS]        =
                                        ARMV7_PERFCTR_INST_OUT_OF_RENAME_STAGE,
-        [PERF_COUNT_HW_CACHE_REFERENCES]    = ARMV7_PERFCTR_COHERENT_LINE_HIT,
+        [PERF_COUNT_HW_CACHE_REFERENCES]    = ARMV7_PERFCTR_DCACHE_ACCESS,
-        [PERF_COUNT_HW_CACHE_MISSES]        = ARMV7_PERFCTR_COHERENT_LINE_MISS,
+        [PERF_COUNT_HW_CACHE_MISSES]        = ARMV7_PERFCTR_DCACHE_REFILL,
        [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = ARMV7_PERFCTR_PC_WRITE,
        [PERF_COUNT_HW_BRANCH_MISSES]       = ARMV7_PERFCTR_PC_BRANCH_MIS_PRED,
        [PERF_COUNT_HW_BUS_CYCLES]          = ARMV7_PERFCTR_CLOCK_CYCLES,
diff --git a/arch/arm/kernel/pmu.c b/arch/arm/kernel/pmu.c
index 2b70709376c3..c53474fe84df 100644
--- a/arch/arm/kernel/pmu.c
+++ b/arch/arm/kernel/pmu.c
@@ -31,7 +31,7 @@ static int __devinit pmu_register(struct platform_device *pdev,
 {
        if (type < 0 || type >= ARM_NUM_PMU_DEVICES) {
                pr_warning("received registration request for unknown "
-                                "device %d\n", type);
+                                "PMU device type %d\n", type);
                return -EINVAL;
        }
@@ -112,17 +112,17 @@ static int __init register_pmu_driver(void)
 device_initcall(register_pmu_driver);
 struct platform_device *
-reserve_pmu(enum arm_pmu_type device)
+reserve_pmu(enum arm_pmu_type type)
 {
        struct platform_device *pdev;
-        if (test_and_set_bit_lock(device, &pmu_lock)) {
+        if (test_and_set_bit_lock(type, &pmu_lock)) {
                pdev = ERR_PTR(-EBUSY);
-        } else if (pmu_devices[device] == NULL) {
+        } else if (pmu_devices[type] == NULL) {
-                clear_bit_unlock(device, &pmu_lock);
+                clear_bit_unlock(type, &pmu_lock);
                pdev = ERR_PTR(-ENODEV);
        } else {
-                pdev = pmu_devices[device];
+                pdev = pmu_devices[type];
        }
        return pdev;
@@ -130,11 +130,11 @@ reserve_pmu(enum arm_pmu_type device)
 EXPORT_SYMBOL_GPL(reserve_pmu);
 int
-release_pmu(enum arm_pmu_type device)
+release_pmu(enum arm_pmu_type type)
 {
-        if (WARN_ON(!pmu_devices[device]))
+        if (WARN_ON(!pmu_devices[type]))
                return -EINVAL;
-        clear_bit_unlock(device, &pmu_lock);
+        clear_bit_unlock(type, &pmu_lock);
        return 0;
 }
 EXPORT_SYMBOL_GPL(release_pmu);
@@ -182,17 +182,17 @@ init_cpu_pmu(void)
 }
 int
-init_pmu(enum arm_pmu_type device)
+init_pmu(enum arm_pmu_type type)
 {
        int err = 0;
-        switch (device) {
+        switch (type) {
        case ARM_PMU_DEVICE_CPU:
                err = init_cpu_pmu();
                break;
        default:
-                pr_warning("attempt to initialise unknown device %d\n",
+                pr_warning("attempt to initialise PMU of unknown "
-                                device);
+                           "type %d\n", type);
                err = -EINVAL;
        }
diff --git a/arch/arm/kernel/relocate_kernel.S b/arch/arm/kernel/relocate_kernel.S
index 9cf4cbf8f95b..d0cdedf4864d 100644
--- a/arch/arm/kernel/relocate_kernel.S
+++ b/arch/arm/kernel/relocate_kernel.S
@@ -57,7 +57,8 @@ relocate_new_kernel:
        mov r0,#0
        ldr r1,kexec_mach_type
        ldr r2,kexec_boot_atags
-        mov pc,lr
+ ARM(   mov pc, lr      )
+ THUMB( bx lr           )
        .align
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 70bca649e925..e514c76043b4 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -280,18 +280,19 @@ static void __init cacheid_init(void)
        if (arch >= CPU_ARCH_ARMv6) {
                if ((cachetype & (7 << 29)) == 4 << 29) {
                        /* ARMv7 register format */
+                        arch = CPU_ARCH_ARMv7;
                        cacheid = CACHEID_VIPT_NONALIASING;
                        if ((cachetype & (3 << 14)) == 1 << 14)
                                cacheid |= CACHEID_ASID_TAGGED;
-                        else if (cpu_has_aliasing_icache(CPU_ARCH_ARMv7))
-                                cacheid |= CACHEID_VIPT_I_ALIASING;
-                } else if (cachetype & (1 << 23)) {
-                        cacheid = CACHEID_VIPT_ALIASING;
                } else {
-                        cacheid = CACHEID_VIPT_NONALIASING;
+                        arch = CPU_ARCH_ARMv6;
-                        if (cpu_has_aliasing_icache(CPU_ARCH_ARMv6))
+                        if (cachetype & (1 << 23))
-                                cacheid |= CACHEID_VIPT_I_ALIASING;
+                                cacheid = CACHEID_VIPT_ALIASING;
+                        else
+                                cacheid = CACHEID_VIPT_NONALIASING;
                }
+                if (cpu_has_aliasing_icache(arch))
+                        cacheid |= CACHEID_VIPT_I_ALIASING;
        } else {
                cacheid = CACHEID_VIVT;
        }
diff --git a/arch/arm/kernel/smp_scu.c b/arch/arm/kernel/smp_scu.c
index 79ed5e7f204a..7fcddb75c877 100644
--- a/arch/arm/kernel/smp_scu.c
+++ b/arch/arm/kernel/smp_scu.c
@@ -13,6 +13,7 @@
 #include <asm/smp_scu.h>
 #include <asm/cacheflush.h>
+#include <asm/cputype.h>
 #define SCU_CTRL                0x00
 #define SCU_CONFIG              0x04
@@ -37,6 +38,15 @@ void __init scu_enable(void __iomem *scu_base)
 {
        u32 scu_ctrl;
+#ifdef CONFIG_ARM_ERRATA_764369
+        /* Cortex-A9 only */
+        if ((read_cpuid(CPUID_ID) & 0xff0ffff0) == 0x410fc090) {
+                scu_ctrl = __raw_readl(scu_base + 0x30);
+                if (!(scu_ctrl & 1))
+                        __raw_writel(scu_ctrl | 0x1, scu_base + 0x30);
+        }
+#endif
        scu_ctrl = __raw_readl(scu_base + SCU_CTRL);
        /* already enabled? */
        if (scu_ctrl & 1)
diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c
index 2c277d40cee6..01c186222f3b 100644
--- a/arch/arm/kernel/smp_twd.c
+++ b/arch/arm/kernel/smp_twd.c
@@ -137,8 +137,8 @@ void __cpuinit twd_timer_setup(struct clock_event_device *clk)
        clk->max_delta_ns = clockevent_delta2ns(0xffffffff, clk);
        clk->min_delta_ns = clockevent_delta2ns(0xf, clk);
+        clockevents_register_device(clk);
        /* Make sure our local interrupt controller has this enabled */
        gic_enable_ppi(clk->irq);
-        clockevents_register_device(clk);
 }
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index bf977f8514f6..4e66f62b8d41 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -23,8 +23,10 @@
 #if defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK)
 #define ARM_EXIT_KEEP(x)        x
+#define ARM_EXIT_DISCARD(x)
 #else
 #define ARM_EXIT_KEEP(x)
+#define ARM_EXIT_DISCARD(x)     x
 #endif
 OUTPUT_ARCH(arm)
@@ -39,6 +41,11 @@ jiffies = jiffies_64 + 4;
 SECTIONS
 {
        /*
+         * XXX: The linker does not define how output sections are
+         * assigned to input sections when there are multiple statements
+         * matching the same input section name.  There is no documented
+         * order of matching.
+         *
         * unwind exit sections must be discarded before the rest of the
         * unwind sections get included.
         */
@@ -47,6 +54,9 @@ SECTIONS
                *(.ARM.extab.exit.text)
                ARM_CPU_DISCARD(*(.ARM.exidx.cpuexit.text))
                ARM_CPU_DISCARD(*(.ARM.extab.cpuexit.text))
+                ARM_EXIT_DISCARD(EXIT_TEXT)
+                ARM_EXIT_DISCARD(EXIT_DATA)
+                EXIT_CALL
 #ifndef CONFIG_HOTPLUG
                *(.ARM.exidx.devexit.text)
                *(.ARM.extab.devexit.text)
@@ -58,6 +68,8 @@ SECTIONS
 #ifndef CONFIG_SMP_ON_UP
                *(.alt.smp.init)
 #endif
+                *(.discard)
+                *(.discard.*)
        }
 #ifdef CONFIG_XIP_KERNEL
@@ -279,9 +291,6 @@ SECTIONS
        STABS_DEBUG
        .comment 0 : { *(.comment) }
-        /* Default discards */
-        DISCARDS
 }
 /*
diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c
index d522b47e30b5..6c8e3b5f669f 100644
--- a/arch/arm/mach-at91/at91sam9261.c
+++ b/arch/arm/mach-at91/at91sam9261.c
@@ -157,7 +157,7 @@ static struct clk_lookup periph_clocks_lookups[] = {
        CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk),
        CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tc0_clk),
        CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.0", &tc1_clk),
-        CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc1_clk),
+        CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc2_clk),
        CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
        CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
        CLKDEV_CON_DEV_ID("pclk", "ssc.2", &ssc2_clk),
diff --git a/arch/arm/mach-cns3xxx/include/mach/entry-macro.S b/arch/arm/mach-cns3xxx/include/mach/entry-macro.S
index 6bd83ed90afe..d87bfc397d39 100644
--- a/arch/arm/mach-cns3xxx/include/mach/entry-macro.S
+++ b/arch/arm/mach-cns3xxx/include/mach/entry-macro.S
@@ -8,7 +8,6 @@
 * published by the Free Software Foundation.
 */
-#include <mach/hardware.h>
 #include <asm/hardware/entry-macro-gic.S>
                .macro  disable_fiq
diff --git a/arch/arm/mach-cns3xxx/include/mach/system.h b/arch/arm/mach-cns3xxx/include/mach/system.h
index 58bb03ae3cf4..4f16c9b79f78 100644
--- a/arch/arm/mach-cns3xxx/include/mach/system.h
+++ b/arch/arm/mach-cns3xxx/include/mach/system.h
@@ -13,7 +13,6 @@
 #include <linux/io.h>
 #include <asm/proc-fns.h>
-#include <mach/hardware.h>
 static inline void arch_idle(void)
 {
diff --git a/arch/arm/mach-cns3xxx/include/mach/uncompress.h b/arch/arm/mach-cns3xxx/include/mach/uncompress.h
index de8ead9b91f7..a91b6058ab4f 100644
--- a/arch/arm/mach-cns3xxx/include/mach/uncompress.h
+++ b/arch/arm/mach-cns3xxx/include/mach/uncompress.h
@@ -8,7 +8,6 @@
 */
 #include <asm/mach-types.h>
-#include <mach/hardware.h>
 #include <mach/cns3xxx.h>
 #define AMBA_UART_DR(base)      (*(volatile unsigned char *)((base) + 0x00))
diff --git a/arch/arm/mach-cns3xxx/pcie.c b/arch/arm/mach-cns3xxx/pcie.c
index 06fd25d70aec..0f8fca48a5ed 100644
--- a/arch/arm/mach-cns3xxx/pcie.c
+++ b/arch/arm/mach-cns3xxx/pcie.c
@@ -49,7 +49,7 @@ static struct cns3xxx_pcie *sysdata_to_cnspci(void *sysdata)
        return &cns3xxx_pcie[root->domain];
 }
-static struct cns3xxx_pcie *pdev_to_cnspci(struct pci_dev *dev)
+static struct cns3xxx_pcie *pdev_to_cnspci(const struct pci_dev *dev)
 {
        return sysdata_to_cnspci(dev->sysdata);
 }
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index bd5394537c88..008d51407cd7 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -115,6 +115,32 @@ static struct spi_board_info da850evm_spi_info[] = {
        },
 };
+#ifdef CONFIG_MTD
+static void da850_evm_m25p80_notify_add(struct mtd_info *mtd)
+{
+        char *mac_addr = davinci_soc_info.emac_pdata->mac_addr;
+        size_t retlen;
+        if (!strcmp(mtd->name, "MAC-Address")) {
+                mtd->read(mtd, 0, ETH_ALEN, &retlen, mac_addr);
+                if (retlen == ETH_ALEN)
+                        pr_info("Read MAC addr from SPI Flash: %pM\n",
+                                mac_addr);
+        }
+}
+static struct mtd_notifier da850evm_spi_notifier = {
+        .add    = da850_evm_m25p80_notify_add,
+};
+static void da850_evm_setup_mac_addr(void)
+{
+        register_mtd_user(&da850evm_spi_notifier);
+}
+#else
+static void da850_evm_setup_mac_addr(void) { }
+#endif
 static struct mtd_partition da850_evm_norflash_partition[] = {
        {
                .name           = "bootloaders + env",
@@ -1244,6 +1270,8 @@ static __init void da850_evm_init(void)
        if (ret)
                pr_warning("da850_evm_init: sata registration failed: %d\n",
                                ret);
+        da850_evm_setup_mac_addr();
 }
 #ifdef CONFIG_SERIAL_8250_CONSOLE
diff --git a/arch/arm/mach-davinci/include/mach/psc.h b/arch/arm/mach-davinci/include/mach/psc.h
index 47fd0bc3d3e7..fa59c097223d 100644
--- a/arch/arm/mach-davinci/include/mach/psc.h
+++ b/arch/arm/mach-davinci/include/mach/psc.h
@@ -243,7 +243,7 @@
 #define PSC_STATE_DISABLE       2
 #define PSC_STATE_ENABLE        3
-#define MDSTAT_STATE_MASK       0x1f
+#define MDSTAT_STATE_MASK       0x3f
 #define MDCTL_FORCE             BIT(31)
 #ifndef __ASSEMBLER__
diff --git a/arch/arm/mach-davinci/sleep.S b/arch/arm/mach-davinci/sleep.S
index fb5e72b532b0..5f1e045a3ad1 100644
--- a/arch/arm/mach-davinci/sleep.S
+++ b/arch/arm/mach-davinci/sleep.S
@@ -217,7 +217,11 @@ ddr2clk_stop_done:
 ENDPROC(davinci_ddr_psc_config)
 CACHE_FLUSH:
-        .word   arm926_flush_kern_cache_all
+#ifdef CONFIG_CPU_V6
+        .word   v6_flush_kern_cache_all
+#else
+        .word   arm926_flush_kern_cache_all
+#endif
 ENTRY(davinci_cpu_suspend_sz)
        .word   . - davinci_cpu_suspend
diff --git a/arch/arm/mach-dove/common.c b/arch/arm/mach-dove/common.c
index 83dce859886d..a9e0dae86a26 100644
--- a/arch/arm/mach-dove/common.c
+++ b/arch/arm/mach-dove/common.c
@@ -158,7 +158,7 @@ void __init dove_spi0_init(void)
 void __init dove_spi1_init(void)
 {
-        orion_spi_init(DOVE_SPI1_PHYS_BASE, get_tclk());
+        orion_spi_1_init(DOVE_SPI1_PHYS_BASE, get_tclk());
 }
 /*****************************************************************************
diff --git a/arch/arm/mach-ep93xx/include/mach/ts72xx.h b/arch/arm/mach-ep93xx/include/mach/ts72xx.h
index 0eabec62cd9d..f1397a13e76b 100644
--- a/arch/arm/mach-ep93xx/include/mach/ts72xx.h
+++ b/arch/arm/mach-ep93xx/include/mach/ts72xx.h
@@ -6,7 +6,7 @@
 * TS72xx memory map:
 *
 * virt         phys            size
- * febff000     22000000        4K      model number register
+ * febff000     22000000        4K      model number register (bits 0-2)
 * febfe000     22400000        4K      options register
 * febfd000     22800000        4K      options register #2
 * febf9000     10800000        4K      TS-5620 RTC index register
@@ -20,6 +20,9 @@
 #define TS72XX_MODEL_TS7200             0x00
 #define TS72XX_MODEL_TS7250             0x01
 #define TS72XX_MODEL_TS7260             0x02
+#define TS72XX_MODEL_TS7300             0x03
+#define TS72XX_MODEL_TS7400             0x04
+#define TS72XX_MODEL_MASK               0x07
 #define TS72XX_OPTIONS_PHYS_BASE        0x22400000
@@ -51,19 +54,34 @@
 #ifndef __ASSEMBLY__
+static inline int ts72xx_model(void)
+{
+        return __raw_readb(TS72XX_MODEL_VIRT_BASE) & TS72XX_MODEL_MASK;
+}
 static inline int board_is_ts7200(void)
 {
-        return __raw_readb(TS72XX_MODEL_VIRT_BASE) == TS72XX_MODEL_TS7200;
+        return ts72xx_model() == TS72XX_MODEL_TS7200;
 }
 static inline int board_is_ts7250(void)
 {
-        return __raw_readb(TS72XX_MODEL_VIRT_BASE) == TS72XX_MODEL_TS7250;
+        return ts72xx_model() == TS72XX_MODEL_TS7250;
 }
 static inline int board_is_ts7260(void)
 {
-        return __raw_readb(TS72XX_MODEL_VIRT_BASE) == TS72XX_MODEL_TS7260;
+        return ts72xx_model() == TS72XX_MODEL_TS7260;
+}
+static inline int board_is_ts7300(void)
+{
+        return ts72xx_model()  == TS72XX_MODEL_TS7300;
+}
+static inline int board_is_ts7400(void)
+{
+        return ts72xx_model() == TS72XX_MODEL_TS7400;
 }
 static inline int is_max197_installed(void)
diff --git a/arch/arm/mach-exynos4/clock.c b/arch/arm/mach-exynos4/clock.c
index 851dea018578..86964d2e9e1b 100644
--- a/arch/arm/mach-exynos4/clock.c
+++ b/arch/arm/mach-exynos4/clock.c
@@ -520,7 +520,7 @@ static struct clk init_clocks_off[] = {
                .ctrlbit        = (1 << 21),
        }, {
                .name           = "ac97",
-                .id             = -1,
+                .devname        = "samsung-ac97",
                .enable         = exynos4_clk_ip_peril_ctrl,
                .ctrlbit        = (1 << 27),
        }, {
@@ -899,8 +899,7 @@ static struct clksrc_clk clksrcs[] = {
                .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 28, .size = 4 },
        }, {
                .clk            = {
-                        .name           = "sclk_cam",
+                        .name           = "sclk_cam0",
-                        .devname        = "exynos4-fimc.0",
                        .enable         = exynos4_clksrc_mask_cam_ctrl,
                        .ctrlbit        = (1 << 16),
                },
@@ -909,8 +908,7 @@ static struct clksrc_clk clksrcs[] = {
                .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 16, .size = 4 },
        }, {
                .clk            = {
-                        .name           = "sclk_cam",
+                        .name           = "sclk_cam1",
-                        .devname        = "exynos4-fimc.1",
                        .enable         = exynos4_clksrc_mask_cam_ctrl,
                        .ctrlbit        = (1 << 20),
                },
@@ -1160,7 +1158,7 @@ void __init_or_cpufreq exynos4_setup_clocks(void)
        vpllsrc = clk_get_rate(&clk_vpllsrc.clk);
        vpll = s5p_get_pll46xx(vpllsrc, __raw_readl(S5P_VPLL_CON0),
-                                __raw_readl(S5P_VPLL_CON1), pll_4650);
+                                __raw_readl(S5P_VPLL_CON1), pll_4650c);
        clk_fout_apll.ops = &exynos4_fout_apll_ops;
        clk_fout_mpll.rate = mpll;
diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c
index 2d8a40c9e6e5..746d6fc6d397 100644
--- a/arch/arm/mach-exynos4/cpu.c
+++ b/arch/arm/mach-exynos4/cpu.c
@@ -24,12 +24,13 @@
 #include <plat/exynos4.h>
 #include <plat/adc-core.h>
 #include <plat/sdhci.h>
-#include <plat/devs.h>
 #include <plat/fb-core.h>
 #include <plat/fimc-core.h>
 #include <plat/iic-core.h>
+#include <plat/reset.h>
 #include <mach/regs-irq.h>
+#include <mach/regs-pmu.h>
 extern int combiner_init(unsigned int combiner_nr, void __iomem *base,
                         unsigned int irq_start);
@@ -128,6 +129,11 @@ static void exynos4_idle(void)
        local_irq_enable();
 }
+static void exynos4_sw_reset(void)
+{
+        __raw_writel(0x1, S5P_SWRESET);
+}
 /*
 * exynos4_map_io
 *
@@ -241,5 +247,8 @@ int __init exynos4_init(void)
        /* set idle function */
        pm_idle = exynos4_idle;
+        /* set sw_reset function */
+        s5p_reset_hook = exynos4_sw_reset;
        return sysdev_register(&exynos4_sysdev);
 }
diff --git a/arch/arm/mach-exynos4/include/mach/irqs.h b/arch/arm/mach-exynos4/include/mach/irqs.h
index 934d2a493982..f8952f8f3757 100644
--- a/arch/arm/mach-exynos4/include/mach/irqs.h
+++ b/arch/arm/mach-exynos4/include/mach/irqs.h
@@ -80,9 +80,8 @@
 #define IRQ_HSMMC3              IRQ_SPI(76)
 #define IRQ_DWMCI               IRQ_SPI(77)
-#define IRQ_MIPICSI0            IRQ_SPI(78)
+#define IRQ_MIPI_CSIS0          IRQ_SPI(78)
+#define IRQ_MIPI_CSIS1          IRQ_SPI(80)
-#define IRQ_MIPICSI1            IRQ_SPI(80)
 #define IRQ_ONENAND_AUDI        IRQ_SPI(82)
 #define IRQ_ROTATOR             IRQ_SPI(83)
diff --git a/arch/arm/mach-exynos4/include/mach/regs-pmu.h b/arch/arm/mach-exynos4/include/mach/regs-pmu.h
index fa49bbb8e7b0..cdf9b47c303c 100644
--- a/arch/arm/mach-exynos4/include/mach/regs-pmu.h
+++ b/arch/arm/mach-exynos4/include/mach/regs-pmu.h
@@ -29,6 +29,8 @@
 #define S5P_USE_STANDBY_WFE1                    (1 << 25)
 #define S5P_USE_MASK                            ((0x3 << 16) | (0x3 << 24))
+#define S5P_SWRESET                             S5P_PMUREG(0x0400)
 #define S5P_WAKEUP_STAT                         S5P_PMUREG(0x0600)
 #define S5P_EINT_WAKEUP_MASK                    S5P_PMUREG(0x0604)
 #define S5P_WAKEUP_MASK                         S5P_PMUREG(0x0608)
diff --git a/arch/arm/mach-exynos4/irq-eint.c b/arch/arm/mach-exynos4/irq-eint.c
index 9d87d2ac7f68..badb8c66fc9b 100644
--- a/arch/arm/mach-exynos4/irq-eint.c
+++ b/arch/arm/mach-exynos4/irq-eint.c
@@ -23,6 +23,8 @@
 #include <mach/regs-gpio.h>
+#include <asm/mach/irq.h>
 static DEFINE_SPINLOCK(eint_lock);
 static unsigned int eint0_15_data[16];
@@ -184,8 +186,11 @@ static inline void exynos4_irq_demux_eint(unsigned int start)
 static void exynos4_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc)
 {
+        struct irq_chip *chip = irq_get_chip(irq);
+        chained_irq_enter(chip, desc);
        exynos4_irq_demux_eint(IRQ_EINT(16));
        exynos4_irq_demux_eint(IRQ_EINT(24));
+        chained_irq_exit(chip, desc);
 }
 static void exynos4_irq_eint0_15(unsigned int irq, struct irq_desc *desc)
@@ -193,6 +198,7 @@ static void exynos4_irq_eint0_15(unsigned int irq, struct irq_desc *desc)
        u32 *irq_data = irq_get_handler_data(irq);
        struct irq_chip *chip = irq_get_chip(irq);
+        chained_irq_enter(chip, desc);
        chip->irq_mask(&desc->irq_data);
        if (chip->irq_ack)
@@ -201,6 +207,7 @@ static void exynos4_irq_eint0_15(unsigned int irq, struct irq_desc *desc)
        generic_handle_irq(*irq_data);
        chip->irq_unmask(&desc->irq_data);
+        chained_irq_exit(chip, desc);
 }
 int __init exynos4_init_irq_eint(void)
diff --git a/arch/arm/mach-exynos4/mach-universal_c210.c b/arch/arm/mach-exynos4/mach-universal_c210.c
index 0e280d12301e..b3b5d8911004 100644
--- a/arch/arm/mach-exynos4/mach-universal_c210.c
+++ b/arch/arm/mach-exynos4/mach-universal_c210.c
@@ -79,7 +79,7 @@ static struct s3c2410_uartcfg universal_uartcfgs[] __initdata = {
 };
 static struct regulator_consumer_supply max8952_consumer =
-        REGULATOR_SUPPLY("vddarm", NULL);
+        REGULATOR_SUPPLY("vdd_arm", NULL);
 static struct max8952_platform_data universal_max8952_pdata __initdata = {
        .gpio_vid0      = EXYNOS4_GPX0(3),
@@ -105,7 +105,7 @@ static struct max8952_platform_data universal_max8952_pdata __initdata = {
 };
 static struct regulator_consumer_supply lp3974_buck1_consumer =
-        REGULATOR_SUPPLY("vddint", NULL);
+        REGULATOR_SUPPLY("vdd_int", NULL);
 static struct regulator_consumer_supply lp3974_buck2_consumer =
        REGULATOR_SUPPLY("vddg3d", NULL);
diff --git a/arch/arm/mach-exynos4/mct.c b/arch/arm/mach-exynos4/mct.c
index 1ae059b7ad7b..ddd86864fb83 100644
--- a/arch/arm/mach-exynos4/mct.c
+++ b/arch/arm/mach-exynos4/mct.c
@@ -132,12 +132,18 @@ static cycle_t exynos4_frc_read(struct clocksource *cs)
        return ((cycle_t)hi << 32) | lo;
 }
+static void exynos4_frc_resume(struct clocksource *cs)
+{
+        exynos4_mct_frc_start(0, 0);
+}
 struct clocksource mct_frc = {
        .name           = "mct-frc",
        .rating         = 400,
        .read           = exynos4_frc_read,
        .mask           = CLOCKSOURCE_MASK(64),
        .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
+        .resume         = exynos4_frc_resume,
 };
 static void __init exynos4_clocksource_init(void)
@@ -389,9 +395,11 @@ static void exynos4_mct_tick_init(struct clock_event_device *evt)
 }
 /* Setup the local clock events for a CPU */
-void __cpuinit local_timer_setup(struct clock_event_device *evt)
+int __cpuinit local_timer_setup(struct clock_event_device *evt)
 {
        exynos4_mct_tick_init(evt);
+        return 0;
 }
 int local_timer_ack(void)
diff --git a/arch/arm/mach-exynos4/platsmp.c b/arch/arm/mach-exynos4/platsmp.c
index 7c2282c6ba81..df6ef1b2f98b 100644
--- a/arch/arm/mach-exynos4/platsmp.c
+++ b/arch/arm/mach-exynos4/platsmp.c
@@ -106,6 +106,8 @@ void __cpuinit platform_secondary_init(unsigned int cpu)
         */
        spin_lock(&boot_lock);
        spin_unlock(&boot_lock);
+        set_cpu_online(cpu, true);
 }
 int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
diff --git a/arch/arm/mach-exynos4/setup-keypad.c b/arch/arm/mach-exynos4/setup-keypad.c
index 1ee0ebff111f..7862bfb5933d 100644
--- a/arch/arm/mach-exynos4/setup-keypad.c
+++ b/arch/arm/mach-exynos4/setup-keypad.c
@@ -19,15 +19,16 @@ void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols)
        if (rows > 8) {
                /* Set all the necessary GPX2 pins: KP_ROW[0~7] */
-                s3c_gpio_cfgrange_nopull(EXYNOS4_GPX2(0), 8, S3C_GPIO_SFN(3));
+                s3c_gpio_cfgall_range(EXYNOS4_GPX2(0), 8, S3C_GPIO_SFN(3),
+                                        S3C_GPIO_PULL_UP);
                /* Set all the necessary GPX3 pins: KP_ROW[8~] */
-                s3c_gpio_cfgrange_nopull(EXYNOS4_GPX3(0), (rows - 8),
+                s3c_gpio_cfgall_range(EXYNOS4_GPX3(0), (rows - 8),
-                                         S3C_GPIO_SFN(3));
+                                         S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);
        } else {
                /* Set all the necessary GPX2 pins: KP_ROW[x] */
-                s3c_gpio_cfgrange_nopull(EXYNOS4_GPX2(0), rows,
+                s3c_gpio_cfgall_range(EXYNOS4_GPX2(0), rows, S3C_GPIO_SFN(3),
-                                         S3C_GPIO_SFN(3));
+                                        S3C_GPIO_PULL_UP);
        }
        /* Set all the necessary GPX1 pins to special-function 3: KP_COL[x] */
diff --git a/arch/arm/mach-exynos4/setup-usb-phy.c b/arch/arm/mach-exynos4/setup-usb-phy.c
index 0883c1b824b9..39aca045f660 100644
--- a/arch/arm/mach-exynos4/setup-usb-phy.c
+++ b/arch/arm/mach-exynos4/setup-usb-phy.c
@@ -82,7 +82,7 @@ static int exynos4_usb_phy1_init(struct platform_device *pdev)
        rstcon &= ~(HOST_LINK_PORT_SWRST_MASK | PHY1_SWRST_MASK);
        writel(rstcon, EXYNOS4_RSTCON);
-        udelay(50);
+        udelay(80);
        clk_disable(otg_clk);
        clk_put(otg_clk);
diff --git a/arch/arm/mach-footbridge/Kconfig b/arch/arm/mach-footbridge/Kconfig
index dc26fff22cf0..c8e7afcf14ec 100644
--- a/arch/arm/mach-footbridge/Kconfig
+++ b/arch/arm/mach-footbridge/Kconfig
@@ -62,6 +62,7 @@ config ARCH_EBSA285_HOST
 config ARCH_NETWINDER
        bool "NetWinder"
        select CLKSRC_I8253
+        select CLKEVT_I8253
        select FOOTBRIDGE_HOST
        select ISA
        select ISA_DMA
diff --git a/arch/arm/mach-footbridge/dc21285.c b/arch/arm/mach-footbridge/dc21285.c
index 1331fff51ae2..18c32a5541d9 100644
--- a/arch/arm/mach-footbridge/dc21285.c
+++ b/arch/arm/mach-footbridge/dc21285.c
@@ -18,6 +18,7 @@
 #include <linux/irq.h>
 #include <linux/io.h>
 #include <linux/spinlock.h>
+#include <video/vga.h>
 #include <asm/irq.h>
 #include <asm/system.h>
diff --git a/arch/arm/mach-imx/clock-imx25.c b/arch/arm/mach-imx/clock-imx25.c
index 0fc7ba56d616..e63e23504fe5 100644
--- a/arch/arm/mach-imx/clock-imx25.c
+++ b/arch/arm/mach-imx/clock-imx25.c
@@ -331,6 +331,9 @@ int __init mx25_clocks_init(void)
        __raw_writel(__raw_readl(CRM_BASE+0x64) | (1 << 7) | (1 << 0),
                        CRM_BASE + 0x64);
+        /* Clock source for gpt is ahb_div */
+        __raw_writel(__raw_readl(CRM_BASE+0x64) & ~(1 << 5), CRM_BASE + 0x64);
        mxc_timer_init(&gpt_clk, MX25_IO_ADDRESS(MX25_GPT1_BASE_ADDR), 54);
        return 0;
diff --git a/arch/arm/mach-imx/mach-cpuimx27.c b/arch/arm/mach-imx/mach-cpuimx27.c
index 87887ac5806b..f851fe903687 100644
--- a/arch/arm/mach-imx/mach-cpuimx27.c
+++ b/arch/arm/mach-imx/mach-cpuimx27.c
@@ -310,7 +310,7 @@ static struct sys_timer eukrea_cpuimx27_timer = {
        .init = eukrea_cpuimx27_timer_init,
 };
-MACHINE_START(CPUIMX27, "EUKREA CPUIMX27")
+MACHINE_START(EUKREA_CPUIMX27, "EUKREA CPUIMX27")
        .boot_params = MX27_PHYS_OFFSET + 0x100,
        .map_io = mx27_map_io,
        .init_early = imx27_init_early,
diff --git a/arch/arm/mach-imx/mach-cpuimx35.c b/arch/arm/mach-imx/mach-cpuimx35.c
index f39a478ba1a6..4bd083ba9af2 100644
--- a/arch/arm/mach-imx/mach-cpuimx35.c
+++ b/arch/arm/mach-imx/mach-cpuimx35.c
@@ -192,7 +192,7 @@ struct sys_timer eukrea_cpuimx35_timer = {
        .init   = eukrea_cpuimx35_timer_init,
 };
-MACHINE_START(EUKREA_CPUIMX35, "Eukrea CPUIMX35")
+MACHINE_START(EUKREA_CPUIMX35SD, "Eukrea CPUIMX35")
        /* Maintainer: Eukrea Electromatique */
        .boot_params = MX3x_PHYS_OFFSET + 0x100,
        .map_io = mx35_map_io,
diff --git a/arch/arm/mach-imx/mach-eukrea_cpuimx25.c b/arch/arm/mach-imx/mach-eukrea_cpuimx25.c
index da36da52969d..2442d5da883d 100644
--- a/arch/arm/mach-imx/mach-eukrea_cpuimx25.c
+++ b/arch/arm/mach-imx/mach-eukrea_cpuimx25.c
@@ -161,7 +161,7 @@ static struct sys_timer eukrea_cpuimx25_timer = {
        .init   = eukrea_cpuimx25_timer_init,
 };
-MACHINE_START(EUKREA_CPUIMX25, "Eukrea CPUIMX25")
+MACHINE_START(EUKREA_CPUIMX25SD, "Eukrea CPUIMX25")
        /* Maintainer: Eukrea Electromatique */
        .boot_params = MX25_PHYS_OFFSET + 0x100,
        .map_io = mx25_map_io,
diff --git a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
index 6707de0ab716..6778f8193bc6 100644
--- a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
+++ b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
@@ -30,6 +30,7 @@
 #include <linux/input.h>
 #include <linux/gpio.h>
 #include <linux/delay.h>
+#include <sound/tlv320aic32x4.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/time.h>
@@ -196,6 +197,17 @@ static struct pca953x_platform_data visstrim_m10_pca9555_pdata = {
        .invert = 0,
 };
+static struct aic32x4_pdata visstrim_m10_aic32x4_pdata = {
+        .power_cfg = AIC32X4_PWR_MICBIAS_2075_LDOIN |
+                     AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE |
+                     AIC32X4_PWR_AIC32X4_LDO_ENABLE |
+                     AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36 |
+                     AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED,
+        .micpga_routing = AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K |
+                         AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K,
+        .swapdacs = false,
+};
 static struct i2c_board_info visstrim_m10_i2c_devices[] = {
        {
                I2C_BOARD_INFO("pca9555", 0x20),
@@ -203,6 +215,7 @@ static struct i2c_board_info visstrim_m10_i2c_devices[] = {
        },
        {
                I2C_BOARD_INFO("tlv320aic32x4", 0x18),
+                .platform_data = &visstrim_m10_aic32x4_pdata,
        }
 };
diff --git a/arch/arm/mach-imx/mach-mx31ads.c b/arch/arm/mach-imx/mach-mx31ads.c
index 0ce49478a479..29ca8907a780 100644
--- a/arch/arm/mach-imx/mach-mx31ads.c
+++ b/arch/arm/mach-imx/mach-mx31ads.c
@@ -468,7 +468,7 @@ static struct i2c_board_info __initdata mx31ads_i2c1_devices[] = {
 #endif
 };
-static void mxc_init_i2c(void)
+static void __init mxc_init_i2c(void)
 {
        i2c_register_board_info(1, mx31ads_i2c1_devices,
                                ARRAY_SIZE(mx31ads_i2c1_devices));
@@ -486,7 +486,7 @@ static unsigned int ssi_pins[] = {
        MX31_PIN_STXD5__STXD5,
 };
-static void mxc_init_audio(void)
+static void __init mxc_init_audio(void)
 {
        imx31_add_imx_ssi(0, NULL);
        mxc_iomux_setup_multiple_pins(ssi_pins, ARRAY_SIZE(ssi_pins), "ssi");
diff --git a/arch/arm/mach-imx/mach-mx31lilly.c b/arch/arm/mach-imx/mach-mx31lilly.c
index 750368ddf0f9..126913ad106a 100644
--- a/arch/arm/mach-imx/mach-mx31lilly.c
+++ b/arch/arm/mach-imx/mach-mx31lilly.c
@@ -192,7 +192,7 @@ static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
        .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
 };
-static void lilly1131_usb_init(void)
+static void __init lilly1131_usb_init(void)
 {
        imx31_add_mxc_ehci_hs(1, &usbh1_pdata);
diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c
index 2fbbdd5eac35..8cdc730dcb3a 100644
--- a/arch/arm/mach-integrator/integrator_ap.c
+++ b/arch/arm/mach-integrator/integrator_ap.c
@@ -32,6 +32,7 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/mtd/physmap.h>
+#include <video/vga.h>
 #include <mach/hardware.h>
 #include <mach/platform.h>
@@ -154,6 +155,7 @@ static struct map_desc ap_io_desc[] __initdata = {
 static void __init ap_map_io(void)
 {
        iotable_init(ap_io_desc, ARRAY_SIZE(ap_io_desc));
+        vga_base = PCI_MEMORY_VADDR;
 }
 #define INTEGRATOR_SC_VALID_INT 0x003fffff
@@ -337,15 +339,15 @@ static unsigned long timer_reload;
 static void integrator_clocksource_init(u32 khz)
 {
        void __iomem *base = (void __iomem *)TIMER2_VA_BASE;
-        u32 ctrl = TIMER_CTRL_ENABLE;
+        u32 ctrl = TIMER_CTRL_ENABLE | TIMER_CTRL_PERIODIC;
        if (khz >= 1500) {
                khz /= 16;
-                ctrl = TIMER_CTRL_DIV16;
+                ctrl |= TIMER_CTRL_DIV16;
        }
-        writel(ctrl, base + TIMER_CTRL);
        writel(0xffff, base + TIMER_LOAD);
+        writel(ctrl, base + TIMER_CTRL);
        clocksource_mmio_init(base + TIMER_VALUE, "timer2",
                khz * 1000, 200, 16, clocksource_mmio_readl_down);
diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c
index dd56bfb351e3..11b86e5b71c2 100644
--- a/arch/arm/mach-integrator/pci_v3.c
+++ b/arch/arm/mach-integrator/pci_v3.c
@@ -27,7 +27,6 @@
 #include <linux/spinlock.h>
 #include <linux/init.h>
 #include <linux/io.h>
-#include <video/vga.h>
 #include <mach/hardware.h>
 #include <mach/platform.h>
@@ -505,7 +504,6 @@ void __init pci_v3_preinit(void)
        pcibios_min_io = 0x6000;
        pcibios_min_mem = 0x00100000;
-        vga_base = PCI_MEMORY_VADDR;
        /*
         * Hook in our fault handler for PCI errors
diff --git a/arch/arm/mach-mmp/gplugd.c b/arch/arm/mach-mmp/gplugd.c
index c070c24255f4..98e25d9aaab6 100644
--- a/arch/arm/mach-mmp/gplugd.c
+++ b/arch/arm/mach-mmp/gplugd.c
@@ -16,16 +16,18 @@
 #include <mach/gpio.h>
 #include <mach/pxa168.h>
 #include <mach/mfp-pxa168.h>
-#include <mach/mfp-gplugd.h>
 #include "common.h"
 static unsigned long gplugd_pin_config[] __initdata = {
        /* UART3 */
-        GPIO8_UART3_SOUT,
+        GPIO8_UART3_TXD,
-        GPIO9_UART3_SIN,
+        GPIO9_UART3_RXD,
-        GPI1O_UART3_CTS,
+        GPIO1O_UART3_CTS,
-        GPI11_UART3_RTS,
+        GPIO11_UART3_RTS,
+        /* USB OTG PEN */
+        GPIO18_GPIO,
        /* MMC2 */
        GPIO28_MMC2_CMD,
@@ -109,6 +111,12 @@ static unsigned long gplugd_pin_config[] __initdata = {
        GPIO105_CI2C_SDA,
        GPIO106_CI2C_SCL,
+        /* SPI NOR Flash on SSP2 */
+        GPIO107_SSP2_RXD,
+        GPIO108_SSP2_TXD,
+        GPIO110_GPIO,     /* SPI_CSn */
+        GPIO111_SSP2_CLK,
        /* Select JTAG */
        GPIO109_GPIO,
@@ -154,7 +162,7 @@ static void __init select_disp_freq(void)
                                "frequency\n");
        } else {
                gpio_direction_output(35, 1);
-                gpio_free(104);
+                gpio_free(35);
        }
        if (unlikely(gpio_request(85, "DISP_FREQ_SEL_2"))) {
@@ -162,7 +170,7 @@ static void __init select_disp_freq(void)
                                "frequency\n");
        } else {
                gpio_direction_output(85, 0);
-                gpio_free(104);
+                gpio_free(85);
        }
 }
diff --git a/arch/arm/mach-mmp/include/mach/mfp-gplugd.h b/arch/arm/mach-mmp/include/mach/mfp-gplugd.h
deleted file mode 100644
index b8cf38d85600..000000000000
--- a/arch/arm/mach-mmp/include/mach/mfp-gplugd.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * linux/arch/arm/mach-mmp/include/mach/mfp-gplugd.h
- *
- *   MFP definitions used in gplugD
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#ifndef __MACH_MFP_GPLUGD_H
-#define __MACH_MFP_GPLUGD_H
-#include <plat/mfp.h>
-#include <mach/mfp.h>
-/* UART3 */
-#define GPIO8_UART3_SOUT       MFP_CFG(GPIO8, AF2)
-#define GPIO9_UART3_SIN        MFP_CFG(GPIO9, AF2)
-#define GPI1O_UART3_CTS        MFP_CFG(GPIO10, AF2)
-#define GPI11_UART3_RTS        MFP_CFG(GPIO11, AF2)
-/* MMC2 */
-#define GPIO28_MMC2_CMD         MFP_CFG_DRV(GPIO28, AF6, FAST)
-#define GPIO29_MMC2_CLK         MFP_CFG_DRV(GPIO29, AF6, FAST)
-#define GPIO30_MMC2_DAT0        MFP_CFG_DRV(GPIO30, AF6, FAST)
-#define GPIO31_MMC2_DAT1        MFP_CFG_DRV(GPIO31, AF6, FAST)
-#define GPIO32_MMC2_DAT2        MFP_CFG_DRV(GPIO32, AF6, FAST)
-#define GPIO33_MMC2_DAT3        MFP_CFG_DRV(GPIO33, AF6, FAST)
-/* I2S */
-#undef GPIO114_I2S_FRM
-#undef GPIO115_I2S_BCLK
-#define GPIO114_I2S_FRM         MFP_CFG_DRV(GPIO114, AF1, FAST)
-#define GPIO115_I2S_BCLK        MFP_CFG_DRV(GPIO115, AF1, FAST)
-#define GPIO116_I2S_TXD         MFP_CFG_DRV(GPIO116, AF1, FAST)
-/* MMC4 */
-#define GPIO125_MMC4_DAT3       MFP_CFG_DRV(GPIO125, AF7, FAST)
-#define GPIO126_MMC4_DAT2       MFP_CFG_DRV(GPIO126, AF7, FAST)
-#define GPIO127_MMC4_DAT1       MFP_CFG_DRV(GPIO127, AF7, FAST)
-#define GPIO0_2_MMC4_DAT0       MFP_CFG_DRV(GPIO0_2, AF7, FAST)
-#define GPIO1_2_MMC4_CMD        MFP_CFG_DRV(GPIO1_2, AF7, FAST)
-#define GPIO2_2_MMC4_CLK        MFP_CFG_DRV(GPIO2_2, AF7, FAST)
-/* OTG GPIO */
-#define GPIO_USB_OTG_PEN        18
-#define GPIO_USB_OIDIR          20
-/* Other GPIOs are 35, 84, 85 */
-#endif /* __MACH_MFP_GPLUGD_H */
diff --git a/arch/arm/mach-mmp/include/mach/mfp-pxa168.h b/arch/arm/mach-mmp/include/mach/mfp-pxa168.h
index 8c782328b21c..92aaa3c19d61 100644
--- a/arch/arm/mach-mmp/include/mach/mfp-pxa168.h
+++ b/arch/arm/mach-mmp/include/mach/mfp-pxa168.h
@@ -203,6 +203,10 @@
 #define GPIO33_CF_nCD2          MFP_CFG(GPIO33, AF3)
 /* UART */
+#define GPIO8_UART3_TXD         MFP_CFG(GPIO8, AF2)
+#define GPIO9_UART3_RXD         MFP_CFG(GPIO9, AF2)
+#define GPIO1O_UART3_CTS        MFP_CFG(GPIO10, AF2)
+#define GPIO11_UART3_RTS        MFP_CFG(GPIO11, AF2)
 #define GPIO88_UART2_TXD        MFP_CFG(GPIO88, AF2)
 #define GPIO89_UART2_RXD        MFP_CFG(GPIO89, AF2)
 #define GPIO107_UART1_TXD       MFP_CFG_DRV(GPIO107, AF1, FAST)
@@ -232,6 +236,22 @@
 #define GPIO53_MMC1_CD          MFP_CFG(GPIO53, AF1)
 #define GPIO46_MMC1_WP          MFP_CFG(GPIO46, AF1)
+/* MMC2 */
+#define GPIO28_MMC2_CMD         MFP_CFG_DRV(GPIO28, AF6, FAST)
+#define GPIO29_MMC2_CLK         MFP_CFG_DRV(GPIO29, AF6, FAST)
+#define GPIO30_MMC2_DAT0        MFP_CFG_DRV(GPIO30, AF6, FAST)
+#define GPIO31_MMC2_DAT1        MFP_CFG_DRV(GPIO31, AF6, FAST)
+#define GPIO32_MMC2_DAT2        MFP_CFG_DRV(GPIO32, AF6, FAST)
+#define GPIO33_MMC2_DAT3        MFP_CFG_DRV(GPIO33, AF6, FAST)
+/* MMC4 */
+#define GPIO125_MMC4_DAT3       MFP_CFG_DRV(GPIO125, AF7, FAST)
+#define GPIO126_MMC4_DAT2       MFP_CFG_DRV(GPIO126, AF7, FAST)
+#define GPIO127_MMC4_DAT1       MFP_CFG_DRV(GPIO127, AF7, FAST)
+#define GPIO0_2_MMC4_DAT0       MFP_CFG_DRV(GPIO0_2, AF7, FAST)
+#define GPIO1_2_MMC4_CMD        MFP_CFG_DRV(GPIO1_2, AF7, FAST)
+#define GPIO2_2_MMC4_CLK        MFP_CFG_DRV(GPIO2_2, AF7, FAST)
 /* LCD */
 #define GPIO84_LCD_CS           MFP_CFG(GPIO84, AF1)
 #define GPIO60_LCD_DD0          MFP_CFG(GPIO60, AF1)
@@ -269,11 +289,12 @@
 #define GPIO106_CI2C_SCL        MFP_CFG(GPIO106, AF1)
 /* I2S */
-#define GPIO113_I2S_MCLK        MFP_CFG(GPIO113,AF6)
+#define GPIO113_I2S_MCLK        MFP_CFG(GPIO113, AF6)
-#define GPIO114_I2S_FRM         MFP_CFG(GPIO114,AF1)
+#define GPIO114_I2S_FRM         MFP_CFG(GPIO114, AF1)
-#define GPIO115_I2S_BCLK        MFP_CFG(GPIO115,AF1)
+#define GPIO115_I2S_BCLK        MFP_CFG(GPIO115, AF1)
-#define GPIO116_I2S_RXD         MFP_CFG(GPIO116,AF2)
+#define GPIO116_I2S_RXD         MFP_CFG(GPIO116, AF2)
-#define GPIO117_I2S_TXD         MFP_CFG(GPIO117,AF2)
+#define GPIO116_I2S_TXD         MFP_CFG(GPIO116, AF1)
+#define GPIO117_I2S_TXD         MFP_CFG(GPIO117, AF2)
 /* PWM */
 #define GPIO96_PWM3_OUT         MFP_CFG(GPIO96, AF1)
@@ -324,4 +345,10 @@
 #define GPIO101_MII_MDIO        MFP_CFG(GPIO101, AF5)
 #define GPIO103_RX_DV           MFP_CFG(GPIO103, AF5)
+/* SSP2 */
+#define GPIO107_SSP2_RXD        MFP_CFG(GPIO107, AF4)
+#define GPIO108_SSP2_TXD        MFP_CFG(GPIO108, AF4)
+#define GPIO111_SSP2_CLK        MFP_CFG(GPIO111, AF4)
+#define GPIO112_SSP2_FRM        MFP_CFG(GPIO112, AF4)
 #endif /* __ASM_MACH_MFP_PXA168_H */
diff --git a/arch/arm/mach-mmp/time.c b/arch/arm/mach-mmp/time.c
index 99833b9485cf..4e91ee6e27c8 100644
--- a/arch/arm/mach-mmp/time.c
+++ b/arch/arm/mach-mmp/time.c
@@ -51,12 +51,12 @@ static inline uint32_t timer_read(void)
 {
        int delay = 100;
-        __raw_writel(1, TIMERS_VIRT_BASE + TMR_CVWR(0));
+        __raw_writel(1, TIMERS_VIRT_BASE + TMR_CVWR(1));
        while (delay--)
                cpu_relax();
-        return __raw_readl(TIMERS_VIRT_BASE + TMR_CVWR(0));
+        return __raw_readl(TIMERS_VIRT_BASE + TMR_CVWR(1));
 }
 unsigned long long notrace sched_clock(void)
@@ -75,28 +75,51 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
 {
        struct clock_event_device *c = dev_id;
-        /* disable and clear pending interrupt status */
+        /*
-        __raw_writel(0x0, TIMERS_VIRT_BASE + TMR_IER(0));
+         * Clear pending interrupt status.
-        __raw_writel(0x1, TIMERS_VIRT_BASE + TMR_ICR(0));
+         */
+        __raw_writel(0x01, TIMERS_VIRT_BASE + TMR_ICR(0));
+        /*
+         * Disable timer 0.
+         */
+        __raw_writel(0x02, TIMERS_VIRT_BASE + TMR_CER);
        c->event_handler(c);
        return IRQ_HANDLED;
 }
 static int timer_set_next_event(unsigned long delta,
                                struct clock_event_device *dev)
 {
-        unsigned long flags, next;
+        unsigned long flags;
        local_irq_save(flags);
-        /* clear pending interrupt status and enable */
+        /*
+         * Disable timer 0.
+         */
+        __raw_writel(0x02, TIMERS_VIRT_BASE + TMR_CER);
+        /*
+         * Clear and enable timer match 0 interrupt.
+         */
        __raw_writel(0x01, TIMERS_VIRT_BASE + TMR_ICR(0));
        __raw_writel(0x01, TIMERS_VIRT_BASE + TMR_IER(0));
-        next = timer_read() + delta;
+        /*
-        __raw_writel(next, TIMERS_VIRT_BASE + TMR_TN_MM(0, 0));
+         * Setup new clockevent timer value.
+         */
+        __raw_writel(delta - 1, TIMERS_VIRT_BASE + TMR_TN_MM(0, 0));
+        /*
+         * Enable timer 0.
+         */
+        __raw_writel(0x03, TIMERS_VIRT_BASE + TMR_CER);
        local_irq_restore(flags);
        return 0;
 }
@@ -145,23 +168,26 @@ static struct clocksource cksrc = {
 static void __init timer_config(void)
 {
        uint32_t ccr = __raw_readl(TIMERS_VIRT_BASE + TMR_CCR);
-        uint32_t cer = __raw_readl(TIMERS_VIRT_BASE + TMR_CER);
-        uint32_t cmr = __raw_readl(TIMERS_VIRT_BASE + TMR_CMR);
-        __raw_writel(cer & ~0x1, TIMERS_VIRT_BASE + TMR_CER); /* disable */
+        __raw_writel(0x0, TIMERS_VIRT_BASE + TMR_CER); /* disable */
-        ccr &= (cpu_is_mmp2()) ? TMR_CCR_CS_0(0) : TMR_CCR_CS_0(3);
+        ccr &= (cpu_is_mmp2()) ? (TMR_CCR_CS_0(0) | TMR_CCR_CS_1(0)) :
+                (TMR_CCR_CS_0(3) | TMR_CCR_CS_1(3));
        __raw_writel(ccr, TIMERS_VIRT_BASE + TMR_CCR);
-        /* free-running mode */
+        /* set timer 0 to periodic mode, and timer 1 to free-running mode */
-        __raw_writel(cmr | 0x01, TIMERS_VIRT_BASE + TMR_CMR);
+        __raw_writel(0x2, TIMERS_VIRT_BASE + TMR_CMR);
-        __raw_writel(0x0, TIMERS_VIRT_BASE + TMR_PLCR(0)); /* free-running */
+        __raw_writel(0x1, TIMERS_VIRT_BASE + TMR_PLCR(0)); /* periodic */
        __raw_writel(0x7, TIMERS_VIRT_BASE + TMR_ICR(0));  /* clear status */
        __raw_writel(0x0, TIMERS_VIRT_BASE + TMR_IER(0));
-        /* enable timer counter */
+        __raw_writel(0x0, TIMERS_VIRT_BASE + TMR_PLCR(1)); /* free-running */
-        __raw_writel(cer | 0x01, TIMERS_VIRT_BASE + TMR_CER);
+        __raw_writel(0x7, TIMERS_VIRT_BASE + TMR_ICR(1));  /* clear status */
+        __raw_writel(0x0, TIMERS_VIRT_BASE + TMR_IER(1));
+        /* enable timer 1 counter */
+        __raw_writel(0x2, TIMERS_VIRT_BASE + TMR_CER);
 }
 static struct irqaction timer_irq = {
diff --git a/arch/arm/mach-mx5/board-cpuimx51.c b/arch/arm/mach-mx5/board-cpuimx51.c
index 7c893fa70266..68934ea8725a 100644
--- a/arch/arm/mach-mx5/board-cpuimx51.c
+++ b/arch/arm/mach-mx5/board-cpuimx51.c
@@ -81,7 +81,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
                .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
        }, {
                .mapbase = (unsigned long)(MX51_CS1_BASE_ADDR + 0x2000000),
-                .irq = irq_to_gpio(CPUIMX51_QUARTD_GPIO),
+                .irq = gpio_to_irq(CPUIMX51_QUARTD_GPIO),
                .irqflags = IRQF_TRIGGER_HIGH,
                .uartclk = CPUIMX51_QUART_XTAL,
                .regshift = CPUIMX51_QUART_REGSHIFT,
diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c
index e400b09109ce..11b0ff67f89d 100644
--- a/arch/arm/mach-mx5/board-mx51_babbage.c
+++ b/arch/arm/mach-mx5/board-mx51_babbage.c
@@ -369,7 +369,7 @@ static void __init mx51_babbage_init(void)
                                        ARRAY_SIZE(mx51babbage_pads));
        imx51_add_imx_uart(0, &uart_pdata);
-        imx51_add_imx_uart(1, &uart_pdata);
+        imx51_add_imx_uart(1, NULL);
        imx51_add_imx_uart(2, &uart_pdata);
        babbage_fec_reset();
diff --git a/arch/arm/mach-mx5/board-mx51_efikamx.c b/arch/arm/mach-mx5/board-mx51_efikamx.c
index f70700dc0ec1..551daf85ff8c 100644
--- a/arch/arm/mach-mx5/board-mx51_efikamx.c
+++ b/arch/arm/mach-mx5/board-mx51_efikamx.c
@@ -108,9 +108,9 @@ static void __init mx51_efikamx_board_id(void)
        gpio_request(EFIKAMX_PCBID2, "pcbid2");
        gpio_direction_input(EFIKAMX_PCBID2);
-        id = gpio_get_value(EFIKAMX_PCBID0);
+        id = gpio_get_value(EFIKAMX_PCBID0) ? 1 : 0;
-        id |= gpio_get_value(EFIKAMX_PCBID1) << 1;
+        id |= (gpio_get_value(EFIKAMX_PCBID1) ? 1 : 0) << 1;
-        id |= gpio_get_value(EFIKAMX_PCBID2) << 2;
+        id |= (gpio_get_value(EFIKAMX_PCBID2) ? 1 : 0) << 2;
        switch (id) {
        case 7:
diff --git a/arch/arm/mach-mx5/board-mx51_efikasb.c b/arch/arm/mach-mx5/board-mx51_efikasb.c
index 2e4d9d32a87c..8a9bca22beb5 100644
--- a/arch/arm/mach-mx5/board-mx51_efikasb.c
+++ b/arch/arm/mach-mx5/board-mx51_efikasb.c
@@ -156,23 +156,24 @@ static struct gpio_keys_button mx51_efikasb_keys[] = {
        {
                .code = KEY_POWER,
                .gpio = EFIKASB_PWRKEY,
-                .type = EV_PWR,
+                .type = EV_KEY,
                .desc = "Power Button",
                .wakeup = 1,
-                .debounce_interval = 10, /* ms */
+                .active_low = 1,
        },
        {
                .code = SW_LID,
                .gpio = EFIKASB_LID,
                .type = EV_SW,
                .desc = "Lid Switch",
+                .active_low = 1,
        },
        {
-                /* SW_RFKILLALL vs KEY_RFKILL ? */
+                .code = KEY_RFKILL,
-                .code = SW_RFKILL_ALL,
                .gpio = EFIKASB_RFKILL,
-                .type = EV_SW,
+                .type = EV_KEY,
                .desc = "rfkill",
+                .active_low = 1,
        },
 };
@@ -224,8 +225,8 @@ static void __init mx51_efikasb_board_id(void)
        gpio_request(EFIKASB_PCBID1, "pcb id1");
        gpio_direction_input(EFIKASB_PCBID1);
-        id = gpio_get_value(EFIKASB_PCBID0);
+        id = gpio_get_value(EFIKASB_PCBID0) ? 1 : 0;
-        id |= gpio_get_value(EFIKASB_PCBID1) << 1;
+        id |= (gpio_get_value(EFIKASB_PCBID1) ? 1 : 0) << 1;
        switch (id) {
        default:
diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c
index 7f20308c4dbd..f7bf996f463b 100644
--- a/arch/arm/mach-mx5/clock-mx51-mx53.c
+++ b/arch/arm/mach-mx5/clock-mx51-mx53.c
@@ -271,7 +271,11 @@ static int _clk_pll_enable(struct clk *clk)
        int i = 0;
        pllbase = _get_pll_base(clk);
-        reg = __raw_readl(pllbase + MXC_PLL_DP_CTL) | MXC_PLL_DP_CTL_UPEN;
+        reg = __raw_readl(pllbase + MXC_PLL_DP_CTL);
+        if (reg & MXC_PLL_DP_CTL_UPEN)
+                return 0;
+        reg |= MXC_PLL_DP_CTL_UPEN;
        __raw_writel(reg, pllbase + MXC_PLL_DP_CTL);
        /* Wait for lock */
diff --git a/arch/arm/mach-mx5/mx51_efika.c b/arch/arm/mach-mx5/mx51_efika.c
index 4435e03cea5d..c9209454807a 100644
--- a/arch/arm/mach-mx5/mx51_efika.c
+++ b/arch/arm/mach-mx5/mx51_efika.c
@@ -186,7 +186,7 @@ static int initialize_usbh1_port(struct platform_device *pdev)
        mdelay(10);
-        return mx51_initialize_usb_hw(0, MXC_EHCI_ITC_NO_THRESHOLD);
+        return mx51_initialize_usb_hw(pdev->id, MXC_EHCI_ITC_NO_THRESHOLD);
 }
 static struct mxc_usbh_platform_data usbh1_config = {
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 4ae6257b39a4..57b66d590c52 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -7,7 +7,6 @@ config ARCH_OMAP2PLUS_TYPICAL
        default y
        select AEABI
        select REGULATOR
-        select PM
        select PM_RUNTIME
        select VFP
        select NEON if ARCH_OMAP3 || ARCH_OMAP4
diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c
index 2028464cf5b9..f79b7d2a8ed4 100644
--- a/arch/arm/mach-omap2/board-2430sdp.c
+++ b/arch/arm/mach-omap2/board-2430sdp.c
@@ -193,7 +193,8 @@ static int __init omap2430_i2c_init(void)
 {
        omap_register_i2c_bus(1, 100, sdp2430_i2c1_boardinfo,
                        ARRAY_SIZE(sdp2430_i2c1_boardinfo));
-        omap2_pmic_init("twl4030", &sdp2430_twldata);
+        omap_pmic_init(2, 100, "twl4030", INT_24XX_SYS_NIRQ,
+                        &sdp2430_twldata);
        return 0;
 }
diff --git a/arch/arm/mach-omap2/board-am3517crane.c b/arch/arm/mach-omap2/board-am3517crane.c
index 5f2b55ff04ff..933e9353cb37 100644
--- a/arch/arm/mach-omap2/board-am3517crane.c
+++ b/arch/arm/mach-omap2/board-am3517crane.c
@@ -45,8 +45,6 @@ static struct omap_board_config_kernel am3517_crane_config[] __initdata = {
 static struct omap_board_mux board_mux[] __initdata = {
        { .reg_offset = OMAP_MUX_TERMINATOR },
 };
-#else
-#define board_mux       NULL
 #endif
 static void __init am3517_crane_init_early(void)
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 32f5f895568a..3ae16b4e3f52 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -491,23 +491,22 @@ static void __init beagle_opp_init(void)
        /* Custom OPP enabled for all xM versions */
        if (cpu_is_omap3630()) {
-                struct omap_hwmod *mh = omap_hwmod_lookup("mpu");
+                struct device *mpu_dev, *iva_dev;
-                struct omap_hwmod *dh = omap_hwmod_lookup("iva");
-                struct device *dev;
-                if (!mh || !dh) {
+                mpu_dev = omap2_get_mpuss_device();
+                iva_dev = omap2_get_iva_device();
+                if (!mpu_dev || !iva_dev) {
                        pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
-                                __func__, mh, dh);
+                                __func__, mpu_dev, iva_dev);
                        return;
                }
                /* Enable MPU 1GHz and lower opps */
-                dev = &mh->od->pdev.dev;
+                r = opp_enable(mpu_dev, 800000000);
-                r = opp_enable(dev, 800000000);
                /* TODO: MPU 1GHz needs SR and ABB */
                /* Enable IVA 800MHz and lower opps */
-                dev = &dh->od->pdev.dev;
+                r |= opp_enable(iva_dev, 660000000);
-                r |= opp_enable(dev, 660000000);
                /* TODO: DSP 800MHz needs SR and ABB */
                if (r) {
                        pr_err("%s: failed to enable higher opp %d\n",
@@ -516,10 +515,8 @@ static void __init beagle_opp_init(void)
                         * Cleanup - disable the higher freqs - we dont care
                         * about the results
                         */
-                        dev = &mh->od->pdev.dev;
+                        opp_disable(mpu_dev, 800000000);
-                        opp_disable(dev, 800000000);
+                        opp_disable(iva_dev, 660000000);
-                        dev = &dh->od->pdev.dev;
-                        opp_disable(dev, 660000000);
                }
        }
        return;
diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
index ffd55b1c4396..b9b844683147 100644
--- a/arch/arm/mach-omap2/clock3xxx_data.c
+++ b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -3078,6 +3078,7 @@ static struct clk gpt12_fck = {
        .name           = "gpt12_fck",
        .ops            = &clkops_null,
        .parent         = &secure_32k_fck,
+        .clkdm_name     = "wkup_clkdm",
        .recalc         = &followparent_recalc,
 };
@@ -3085,6 +3086,7 @@ static struct clk wdt1_fck = {
        .name           = "wdt1_fck",
        .ops            = &clkops_null,
        .parent         = &secure_32k_fck,
+        .clkdm_name     = "wkup_clkdm",
        .recalc         = &followparent_recalc,
 };
diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c
index 2af0e3f00ce1..c0b6fbda3408 100644
--- a/arch/arm/mach-omap2/clock44xx_data.c
+++ b/arch/arm/mach-omap2/clock44xx_data.c
@@ -3376,10 +3376,18 @@ int __init omap4xxx_clk_init(void)
        } else if (cpu_is_omap446x()) {
                cpu_mask = RATE_IN_4460;
                cpu_clkflg = CK_446X;
+        } else {
+                return 0;
        }
        clk_init(&omap2_clk_functions);
-        omap2_clk_disable_clkdm_control();
+        /*
+         * Must stay commented until all OMAP SoC drivers are
+         * converted to runtime PM, or drivers may start crashing
+         *
+         * omap2_clk_disable_clkdm_control();
+         */
        for (c = omap44xx_clks; c < omap44xx_clks + ARRAY_SIZE(omap44xx_clks);
                                                                          c++)
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index ab7db083f97f..8f0890685d7b 100644
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -747,6 +747,7 @@ int clkdm_wakeup(struct clockdomain *clkdm)
        spin_lock_irqsave(&clkdm->lock, flags);
        clkdm->_flags &= ~_CLKDM_FLAG_HWSUP_ENABLED;
        ret = arch_clkdm->clkdm_wakeup(clkdm);
+        ret |= pwrdm_state_switch(clkdm->pwrdm.ptr);
        spin_unlock_irqrestore(&clkdm->lock, flags);
        return ret;
 }
@@ -818,6 +819,7 @@ void clkdm_deny_idle(struct clockdomain *clkdm)
        spin_lock_irqsave(&clkdm->lock, flags);
        clkdm->_flags &= ~_CLKDM_FLAG_HWSUP_ENABLED;
        arch_clkdm->clkdm_deny_idle(clkdm);
+        pwrdm_state_switch(clkdm->pwrdm.ptr);
        spin_unlock_irqrestore(&clkdm->lock, flags);
 }
diff --git a/arch/arm/mach-omap2/cminst44xx.h b/arch/arm/mach-omap2/cminst44xx.h
index f2ea6453ade0..a018a7327879 100644
--- a/arch/arm/mach-omap2/cminst44xx.h
+++ b/arch/arm/mach-omap2/cminst44xx.h
@@ -18,13 +18,36 @@ extern void omap4_cminst_clkdm_force_sleep(u8 part, s16 inst, u16 cdoffs);
 extern void omap4_cminst_clkdm_force_wakeup(u8 part, s16 inst, u16 cdoffs);
 extern int omap4_cminst_wait_module_ready(u8 part, u16 inst, s16 cdoffs, u16 clkctrl_offs);
-extern int omap4_cminst_wait_module_idle(u8 part, u16 inst, s16 cdoffs, u16 clkctrl_offs);
+# ifdef CONFIG_ARCH_OMAP4
+extern int omap4_cminst_wait_module_idle(u8 part, u16 inst, s16 cdoffs,
+                                         u16 clkctrl_offs);
 extern void omap4_cminst_module_enable(u8 mode, u8 part, u16 inst, s16 cdoffs,
                                       u16 clkctrl_offs);
 extern void omap4_cminst_module_disable(u8 part, u16 inst, s16 cdoffs,
                                        u16 clkctrl_offs);
+# else
+static inline int omap4_cminst_wait_module_idle(u8 part, u16 inst, s16 cdoffs,
+                                        u16 clkctrl_offs)
+{
+        return 0;
+}
+static inline void omap4_cminst_module_enable(u8 mode, u8 part, u16 inst,
+                                s16 cdoffs, u16 clkctrl_offs)
+{
+}
+static inline void omap4_cminst_module_disable(u8 part, u16 inst, s16 cdoffs,
+                                 u16 clkctrl_offs)
+{
+}
+# endif
 /*
 * In an ideal world, we would not export these low-level functions,
 * but this will probably take some time to fix properly
diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
index a9b45c76e1d3..097a42d81e59 100644
--- a/arch/arm/mach-omap2/hsmmc.c
+++ b/arch/arm/mach-omap2/hsmmc.c
@@ -137,8 +137,7 @@ static void omap4_hsmmc1_before_set_reg(struct device *dev, int slot,
         */
        reg = omap4_ctrl_pad_readl(control_pbias_offset);
        reg &= ~(OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK |
-                OMAP4_MMC1_PWRDNZ_MASK |
+                OMAP4_MMC1_PWRDNZ_MASK);
-                OMAP4_USBC1_ICUSB_PWRDNZ_MASK);
        omap4_ctrl_pad_writel(reg, control_pbias_offset);
 }
@@ -156,8 +155,7 @@ static void omap4_hsmmc1_after_set_reg(struct device *dev, int slot,
                else
                        reg |= OMAP4_MMC1_PBIASLITE_VMODE_MASK;
                reg |= (OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK |
-                        OMAP4_MMC1_PWRDNZ_MASK |
+                        OMAP4_MMC1_PWRDNZ_MASK);
-                        OMAP4_USBC1_ICUSB_PWRDNZ_MASK);
                omap4_ctrl_pad_writel(reg, control_pbias_offset);
                timeout = jiffies + msecs_to_jiffies(5);
@@ -171,16 +169,14 @@ static void omap4_hsmmc1_after_set_reg(struct device *dev, int slot,
                if (reg & OMAP4_MMC1_PBIASLITE_VMODE_ERROR_MASK) {
                        pr_err("Pbias Voltage is not same as LDO\n");
                        /* Caution : On VMODE_ERROR Power Down MMC IO */
-                        reg &= ~(OMAP4_MMC1_PWRDNZ_MASK |
+                        reg &= ~(OMAP4_MMC1_PWRDNZ_MASK);
-                                OMAP4_USBC1_ICUSB_PWRDNZ_MASK);
                        omap4_ctrl_pad_writel(reg, control_pbias_offset);
                }
        } else {
                reg = omap4_ctrl_pad_readl(control_pbias_offset);
                reg |= (OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK |
                        OMAP4_MMC1_PWRDNZ_MASK |
-                        OMAP4_MMC1_PBIASLITE_VMODE_MASK |
+                        OMAP4_MMC1_PBIASLITE_VMODE_MASK);
-                        OMAP4_USBC1_ICUSB_PWRDNZ_MASK);
                omap4_ctrl_pad_writel(reg, control_pbias_offset);
        }
 }
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index c7fb22abc219..655e9480eb98 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -821,11 +821,10 @@ static void __init omap_mux_set_cmdline_signals(void)
        if (!omap_mux_options)
                return;
-        options = kmalloc(strlen(omap_mux_options) + 1, GFP_KERNEL);
+        options = kstrdup(omap_mux_options, GFP_KERNEL);
        if (!options)
                return;
-        strcpy(options, omap_mux_options);
        next_opt = options;
        while ((token = strsep(&next_opt, ",")) != NULL) {
@@ -855,24 +854,19 @@ static int __init omap_mux_copy_names(struct omap_mux *src,
        for (i = 0; i < OMAP_MUX_NR_MODES; i++) {
                if (src->muxnames[i]) {
-                        dst->muxnames[i] =
+                        dst->muxnames[i] = kstrdup(src->muxnames[i],
-                                kmalloc(strlen(src->muxnames[i]) + 1,
+                                                   GFP_KERNEL);
-                                        GFP_KERNEL);
                        if (!dst->muxnames[i])
                                goto free;
-                        strcpy(dst->muxnames[i], src->muxnames[i]);
                }
        }
 #ifdef CONFIG_DEBUG_FS
        for (i = 0; i < OMAP_MUX_NR_SIDES; i++) {
                if (src->balls[i]) {
-                        dst->balls[i] =
+                        dst->balls[i] = kstrdup(src->balls[i], GFP_KERNEL);
-                                kmalloc(strlen(src->balls[i]) + 1,
-                                        GFP_KERNEL);
                        if (!dst->balls[i])
                                goto free;
-                        strcpy(dst->balls[i], src->balls[i]);
                }
        }
 #endif
diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
index 16743c7d6e8e..408193d8e044 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
@@ -192,6 +192,7 @@ static struct omap_hwmod_addr_space omap2430_usbhsotg_addrs[] = {
                .pa_end         = OMAP243X_HS_BASE + SZ_4K - 1,
                .flags          = ADDR_TYPE_RT
        },
+        { }
 };
 /*  l4_core ->usbhsotg  interface */
diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c
index 3feb35911a32..472bf22d5e84 100644
--- a/arch/arm/mach-omap2/pm.c
+++ b/arch/arm/mach-omap2/pm.c
@@ -130,7 +130,6 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state)
                } else {
                        hwsup = clkdm_in_hwsup(pwrdm->pwrdm_clkdms[0]);
                        clkdm_wakeup(pwrdm->pwrdm_clkdms[0]);
-                        pwrdm_wait_transition(pwrdm);
                        sleep_switch = FORCEWAKEUP_SWITCH;
                }
        }
@@ -156,7 +155,6 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state)
                return ret;
        }
-        pwrdm_wait_transition(pwrdm);
        pwrdm_state_switch(pwrdm);
 err:
        return ret;
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index 9af08473bf10..ef71fdd40fc4 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -195,28 +195,35 @@ static int _pwrdm_post_transition_cb(struct powerdomain *pwrdm, void *unused)
 /**
 * pwrdm_init - set up the powerdomain layer
- * @pwrdm_list: array of struct powerdomain pointers to register
+ * @pwrdms: array of struct powerdomain pointers to register
 * @custom_funcs: func pointers for arch specific implementations
 *
- * Loop through the array of powerdomains @pwrdm_list, registering all
+ * Loop through the array of powerdomains @pwrdms, registering all
- * that are available on the current CPU. If pwrdm_list is supplied
+ * that are available on the current CPU.  Also, program all
- * and not null, all of the referenced powerdomains will be
+ * powerdomain target state as ON; this is to prevent domains from
- * registered.  No return value.  XXX pwrdm_list is not really a
+ * hitting low power states (if bootloader has target states set to
- * "list"; it is an array.  Rename appropriately.
+ * something other than ON) and potentially even losing context while
+ * PM is not fully initialized.  The PM late init code can then program
+ * the desired target state for all the power domains.  No return
+ * value.
 */
-void pwrdm_init(struct powerdomain **pwrdm_list, struct pwrdm_ops *custom_funcs)
+void pwrdm_init(struct powerdomain **pwrdms, struct pwrdm_ops *custom_funcs)
 {
        struct powerdomain **p = NULL;
+        struct powerdomain *temp_p;
        if (!custom_funcs)
                WARN(1, "powerdomain: No custom pwrdm functions registered\n");
        else
                arch_pwrdm = custom_funcs;
-        if (pwrdm_list) {
+        if (pwrdms) {
-                for (p = pwrdm_list; *p; p++)
+                for (p = pwrdms; *p; p++)
                        _pwrdm_register(*p);
        }
+        list_for_each_entry(temp_p, &pwrdm_list, node)
+                pwrdm_set_next_pwrst(temp_p, PWRDM_POWER_ON);
 }
 /**
diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c
index 2ce2fb7664bc..34c01a7de810 100644
--- a/arch/arm/mach-omap2/smartreflex.c
+++ b/arch/arm/mach-omap2/smartreflex.c
@@ -621,7 +621,7 @@ void sr_disable(struct voltagedomain *voltdm)
                        sr_v2_disable(sr);
        }
-        pm_runtime_put_sync(&sr->pdev->dev);
+        pm_runtime_put_sync_suspend(&sr->pdev->dev);
 }
 /**
@@ -860,6 +860,7 @@ static int __init omap_sr_probe(struct platform_device *pdev)
        irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
        pm_runtime_enable(&pdev->dev);
+        pm_runtime_irq_safe(&pdev->dev);
        sr_info->pdev = pdev;
        sr_info->srid = pdev->id;
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index e9640728239b..cf1de7d2630d 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -293,7 +293,8 @@ static void __init omap2_gp_clocksource_init(int gptimer_id,
        pr_info("OMAP clocksource: GPTIMER%d at %lu Hz\n",
                gptimer_id, clksrc.rate);
-        __omap_dm_timer_load_start(clksrc.io_base, OMAP_TIMER_CTRL_ST, 0, 1);
+        __omap_dm_timer_load_start(clksrc.io_base,
+                        OMAP_TIMER_CTRL_ST | OMAP_TIMER_CTRL_AR, 0, 1);
        init_sched_clock(&cd, dmtimer_update_sched_clock, 32, clksrc.rate);
        if (clocksource_register_hz(&clocksource_gpt, clksrc.rate))
diff --git a/arch/arm/mach-omap2/twl-common.c b/arch/arm/mach-omap2/twl-common.c
index 2543342dbccb..daa056ed8738 100644
--- a/arch/arm/mach-omap2/twl-common.c
+++ b/arch/arm/mach-omap2/twl-common.c
@@ -48,14 +48,7 @@ void __init omap_pmic_init(int bus, u32 clkrate,
        omap_register_i2c_bus(bus, clkrate, &pmic_i2c_board_info, 1);
 }
-static struct twl4030_usb_data omap4_usb_pdata = {
+#if defined(CONFIG_ARCH_OMAP3)
-        .phy_init       = omap4430_phy_init,
-        .phy_exit       = omap4430_phy_exit,
-        .phy_power      = omap4430_phy_power,
-        .phy_set_clock  = omap4430_phy_set_clk,
-        .phy_suspend    = omap4430_phy_suspend,
-};
 static struct twl4030_usb_data omap3_usb_pdata = {
        .usb_mode       = T2_USB_MODE_ULPI,
 };
@@ -122,6 +115,45 @@ static struct regulator_init_data omap3_vpll2_idata = {
        .consumer_supplies              = omap3_vpll2_supplies,
 };
+void __init omap3_pmic_get_config(struct twl4030_platform_data *pmic_data,
+                                  u32 pdata_flags, u32 regulators_flags)
+{
+        if (!pmic_data->irq_base)
+                pmic_data->irq_base = TWL4030_IRQ_BASE;
+        if (!pmic_data->irq_end)
+                pmic_data->irq_end = TWL4030_IRQ_END;
+        /* Common platform data configurations */
+        if (pdata_flags & TWL_COMMON_PDATA_USB && !pmic_data->usb)
+                pmic_data->usb = &omap3_usb_pdata;
+        if (pdata_flags & TWL_COMMON_PDATA_BCI && !pmic_data->bci)
+                pmic_data->bci = &omap3_bci_pdata;
+        if (pdata_flags & TWL_COMMON_PDATA_MADC && !pmic_data->madc)
+                pmic_data->madc = &omap3_madc_pdata;
+        if (pdata_flags & TWL_COMMON_PDATA_AUDIO && !pmic_data->audio)
+                pmic_data->audio = &omap3_audio_pdata;
+        /* Common regulator configurations */
+        if (regulators_flags & TWL_COMMON_REGULATOR_VDAC && !pmic_data->vdac)
+                pmic_data->vdac = &omap3_vdac_idata;
+        if (regulators_flags & TWL_COMMON_REGULATOR_VPLL2 && !pmic_data->vpll2)
+                pmic_data->vpll2 = &omap3_vpll2_idata;
+}
+#endif /* CONFIG_ARCH_OMAP3 */
+#if defined(CONFIG_ARCH_OMAP4)
+static struct twl4030_usb_data omap4_usb_pdata = {
+        .phy_init       = omap4430_phy_init,
+        .phy_exit       = omap4430_phy_exit,
+        .phy_power      = omap4430_phy_power,
+        .phy_set_clock  = omap4430_phy_set_clk,
+        .phy_suspend    = omap4430_phy_suspend,
+};
 static struct regulator_init_data omap4_vdac_idata = {
        .constraints = {
                .min_uV                 = 1800000,
@@ -273,32 +305,4 @@ void __init omap4_pmic_get_config(struct twl4030_platform_data *pmic_data,
            !pmic_data->clk32kg)
                pmic_data->clk32kg = &omap4_clk32kg_idata;
 }
+#endif /* CONFIG_ARCH_OMAP4 */
-void __init omap3_pmic_get_config(struct twl4030_platform_data *pmic_data,
-                                  u32 pdata_flags, u32 regulators_flags)
-{
-        if (!pmic_data->irq_base)
-                pmic_data->irq_base = TWL4030_IRQ_BASE;
-        if (!pmic_data->irq_end)
-                pmic_data->irq_end = TWL4030_IRQ_END;
-        /* Common platform data configurations */
-        if (pdata_flags & TWL_COMMON_PDATA_USB && !pmic_data->usb)
-                pmic_data->usb = &omap3_usb_pdata;
-        if (pdata_flags & TWL_COMMON_PDATA_BCI && !pmic_data->bci)
-                pmic_data->bci = &omap3_bci_pdata;
-        if (pdata_flags & TWL_COMMON_PDATA_MADC && !pmic_data->madc)
-                pmic_data->madc = &omap3_madc_pdata;
-        if (pdata_flags & TWL_COMMON_PDATA_AUDIO && !pmic_data->audio)
-                pmic_data->audio = &omap3_audio_pdata;
-        /* Common regulator configurations */
-        if (regulators_flags & TWL_COMMON_REGULATOR_VDAC && !pmic_data->vdac)
-                pmic_data->vdac = &omap3_vdac_idata;
-        if (regulators_flags & TWL_COMMON_REGULATOR_VPLL2 && !pmic_data->vpll2)
-                pmic_data->vpll2 = &omap3_vpll2_idata;
-}
diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c
index a65145b02a55..19e4dac62a8c 100644
--- a/arch/arm/mach-omap2/usb-musb.c
+++ b/arch/arm/mach-omap2/usb-musb.c
@@ -137,9 +137,6 @@ void __init usb_musb_init(struct omap_musb_board_data *musb_board_data)
        musb_plat.mode = board_data->mode;
        musb_plat.extvbus = board_data->extvbus;
-        if (cpu_is_omap44xx())
-                omap4430_phy_init(dev);
        if (cpu_is_omap3517() || cpu_is_omap3505()) {
                oh_name = "am35x_otg_hs";
                name = "musb-am35x";
diff --git a/arch/arm/mach-orion5x/dns323-setup.c b/arch/arm/mach-orion5x/dns323-setup.c
index a6eddae82a0b..c105556a0ee1 100644
--- a/arch/arm/mach-orion5x/dns323-setup.c
+++ b/arch/arm/mach-orion5x/dns323-setup.c
@@ -77,7 +77,7 @@ static int __init dns323_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
        /*
         * Check for devices with hard-wired IRQs.
         */
-        irq = orion5x_pci_map_irq(const dev, slot, pin);
+        irq = orion5x_pci_map_irq(dev, slot, pin);
        if (irq != -1)
                return irq;
diff --git a/arch/arm/mach-orion5x/pci.c b/arch/arm/mach-orion5x/pci.c
index 28b8760ab9fa..bc4a920e26ee 100644
--- a/arch/arm/mach-orion5x/pci.c
+++ b/arch/arm/mach-orion5x/pci.c
@@ -14,6 +14,7 @@
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include <linux/mbus.h>
+#include <video/vga.h>
 #include <asm/irq.h>
 #include <asm/mach/pci.h>
 #include <plat/pcie.h>
diff --git a/arch/arm/mach-prima2/clock.c b/arch/arm/mach-prima2/clock.c
index f9a2aaf63f71..615a4e75ceab 100644
--- a/arch/arm/mach-prima2/clock.c
+++ b/arch/arm/mach-prima2/clock.c
@@ -481,6 +481,7 @@ static void __init sirfsoc_clk_init(void)
 static struct of_device_id clkc_ids[] = {
        { .compatible = "sirf,prima2-clkc" },
+        {},
 };
 void __init sirfsoc_of_clk_init(void)
diff --git a/arch/arm/mach-prima2/irq.c b/arch/arm/mach-prima2/irq.c
index c3404cbb6ff7..7af254d046ba 100644
--- a/arch/arm/mach-prima2/irq.c
+++ b/arch/arm/mach-prima2/irq.c
@@ -51,6 +51,7 @@ static __init void sirfsoc_irq_init(void)
 static struct of_device_id intc_ids[]  = {
        { .compatible = "sirf,prima2-intc" },
+        {},
 };
 void __init sirfsoc_of_irq_init(void)
diff --git a/arch/arm/mach-prima2/rstc.c b/arch/arm/mach-prima2/rstc.c
index d074786e83d4..492cfa8d2610 100644
--- a/arch/arm/mach-prima2/rstc.c
+++ b/arch/arm/mach-prima2/rstc.c
@@ -19,6 +19,7 @@ static DEFINE_MUTEX(rstc_lock);
 static struct of_device_id rstc_ids[]  = {
        { .compatible = "sirf,prima2-rstc" },
+        {},
 };
 static int __init sirfsoc_of_rstc_init(void)
diff --git a/arch/arm/mach-prima2/timer.c b/arch/arm/mach-prima2/timer.c
index 44027f34a88a..ed7ec48d11da 100644
--- a/arch/arm/mach-prima2/timer.c
+++ b/arch/arm/mach-prima2/timer.c
@@ -190,6 +190,7 @@ static void __init sirfsoc_timer_init(void)
 static struct of_device_id timer_ids[] = {
        { .compatible = "sirf,prima2-tick" },
+        {},
 };
 static void __init sirfsoc_of_timer_map(void)
diff --git a/arch/arm/mach-realview/include/mach/system.h b/arch/arm/mach-realview/include/mach/system.h
index a30f2e3ec178..6657ff231161 100644
--- a/arch/arm/mach-realview/include/mach/system.h
+++ b/arch/arm/mach-realview/include/mach/system.h
@@ -44,6 +44,7 @@ static inline void arch_reset(char mode, const char *cmd)
         */
        if (realview_reset)
                realview_reset(mode);
+        dsb();
 }
 #endif
diff --git a/arch/arm/mach-s3c2443/clock.c b/arch/arm/mach-s3c2443/clock.c
index a1a7176675b9..38058af48972 100644
--- a/arch/arm/mach-s3c2443/clock.c
+++ b/arch/arm/mach-s3c2443/clock.c
@@ -128,7 +128,7 @@ static int s3c2443_armclk_setrate(struct clk *clk, unsigned long rate)
                unsigned long clkcon0;
                clkcon0 = __raw_readl(S3C2443_CLKDIV0);
-                clkcon0 &= S3C2443_CLKDIV0_ARMDIV_MASK;
+                clkcon0 &= ~S3C2443_CLKDIV0_ARMDIV_MASK;
                clkcon0 |= val << S3C2443_CLKDIV0_ARMDIV_SHIFT;
                __raw_writel(clkcon0, S3C2443_CLKDIV0);
        }
diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c
index 9026249233ad..af0c2fe1ea37 100644
--- a/arch/arm/mach-s3c64xx/mach-crag6410.c
+++ b/arch/arm/mach-s3c64xx/mach-crag6410.c
@@ -65,7 +65,7 @@
 #include <plat/iic.h>
 #include <plat/pm.h>
-#include <sound/wm8915.h>
+#include <sound/wm8996.h>
 #include <sound/wm8962.h>
 #include <sound/wm9081.h>
@@ -614,7 +614,7 @@ static struct wm831x_pdata glenfarclas_pmic_pdata __initdata = {
        .disable_touch = true,
 };
-static struct wm8915_retune_mobile_config wm8915_retune[] = {
+static struct wm8996_retune_mobile_config wm8996_retune[] = {
        {
                .name = "Sub LPF",
                .rate = 48000,
@@ -635,12 +635,12 @@ static struct wm8915_retune_mobile_config wm8915_retune[] = {
        },
 };
-static struct wm8915_pdata wm8915_pdata __initdata = {
+static struct wm8996_pdata wm8996_pdata __initdata = {
        .ldo_ena = S3C64XX_GPN(7),
        .gpio_base = CODEC_GPIO_BASE,
        .micdet_def = 1,
-        .inl_mode = WM8915_DIFFERRENTIAL_1,
+        .inl_mode = WM8996_DIFFERRENTIAL_1,
-        .inr_mode = WM8915_DIFFERRENTIAL_1,
+        .inr_mode = WM8996_DIFFERRENTIAL_1,
        .irq_flags = IRQF_TRIGGER_RISING,
@@ -652,8 +652,8 @@ static struct wm8915_pdata wm8915_pdata __initdata = {
                0x020e, /* GPIO5 == CLKOUT */
        },
-        .retune_mobile_cfgs = wm8915_retune,
+        .retune_mobile_cfgs = wm8996_retune,
-        .num_retune_mobile_cfgs = ARRAY_SIZE(wm8915_retune),
+        .num_retune_mobile_cfgs = ARRAY_SIZE(wm8996_retune),
 };
 static struct wm8962_pdata wm8962_pdata __initdata = {
@@ -679,8 +679,8 @@ static struct i2c_board_info i2c_devs1[] __initdata = {
          .platform_data = &glenfarclas_pmic_pdata },
        { I2C_BOARD_INFO("wm1250-ev1", 0x27) },
-        { I2C_BOARD_INFO("wm8915", 0x1a),
+        { I2C_BOARD_INFO("wm8996", 0x1a),
-          .platform_data = &wm8915_pdata,
+          .platform_data = &wm8996_pdata,
          .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2,
        },
        { I2C_BOARD_INFO("wm9081", 0x6c),
diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c
index ecbea92bf83b..a9f3183e0290 100644
--- a/arch/arm/mach-s3c64xx/mach-smdk6410.c
+++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c
@@ -262,45 +262,6 @@ static struct samsung_keypad_platdata smdk6410_keypad_data __initdata = {
        .cols           = 8,
 };
-static int smdk6410_backlight_init(struct device *dev)
-{
-        int ret;
-        ret = gpio_request(S3C64XX_GPF(15), "Backlight");
-        if (ret) {
-                printk(KERN_ERR "failed to request GPF for PWM-OUT1\n");
-                return ret;
-        }
-        /* Configure GPIO pin with S3C64XX_GPF15_PWM_TOUT1 */
-        s3c_gpio_cfgpin(S3C64XX_GPF(15), S3C_GPIO_SFN(2));
-        return 0;
-}
-static void smdk6410_backlight_exit(struct device *dev)
-{
-        s3c_gpio_cfgpin(S3C64XX_GPF(15), S3C_GPIO_OUTPUT);
-        gpio_free(S3C64XX_GPF(15));
-}
-static struct platform_pwm_backlight_data smdk6410_backlight_data = {
-        .pwm_id         = 1,
-        .max_brightness = 255,
-        .dft_brightness = 255,
-        .pwm_period_ns  = 78770,
-        .init           = smdk6410_backlight_init,
-        .exit           = smdk6410_backlight_exit,
-};
-static struct platform_device smdk6410_backlight_device = {
-        .name           = "pwm-backlight",
-        .dev            = {
-                .parent         = &s3c_device_timer[1].dev,
-                .platform_data  = &smdk6410_backlight_data,
-        },
-};
 static struct map_desc smdk6410_iodesc[] = {};
 static struct platform_device *smdk6410_devices[] __initdata = {
diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c
index 8bad64370689..055e2858b0dd 100644
--- a/arch/arm/mach-s3c64xx/pm.c
+++ b/arch/arm/mach-s3c64xx/pm.c
@@ -16,6 +16,7 @@
 #include <linux/suspend.h>
 #include <linux/serial_core.h>
 #include <linux/io.h>
+#include <linux/gpio.h>
 #include <mach/map.h>
 #include <mach/irqs.h>
diff --git a/arch/arm/mach-s5p64x0/irq-eint.c b/arch/arm/mach-s5p64x0/irq-eint.c
index 69ed4545112b..fe7380f5c3cd 100644
--- a/arch/arm/mach-s5p64x0/irq-eint.c
+++ b/arch/arm/mach-s5p64x0/irq-eint.c
@@ -129,7 +129,7 @@ static int s5p64x0_alloc_gc(void)
        }
        ct = gc->chip_types;
-        ct->chip.irq_ack = irq_gc_ack;
+        ct->chip.irq_ack = irq_gc_ack_set_bit;
        ct->chip.irq_mask = irq_gc_mask_set_bit;
        ct->chip.irq_unmask = irq_gc_mask_clr_bit;
        ct->chip.irq_set_type = s5p64x0_irq_eint_set_type;
diff --git a/arch/arm/mach-s5pv210/clock.c b/arch/arm/mach-s5pv210/clock.c
index 52a8e607bcc2..f5f8fa89679c 100644
--- a/arch/arm/mach-s5pv210/clock.c
+++ b/arch/arm/mach-s5pv210/clock.c
@@ -815,8 +815,7 @@ static struct clksrc_clk clksrcs[] = {
                .reg_div = { .reg = S5P_CLK_DIV3, .shift = 20, .size = 4 },
        }, {
                .clk            = {
-                        .name           = "sclk_cam",
+                        .name           = "sclk_cam0",
-                        .devname        = "s5pv210-fimc.0",
                        .enable         = s5pv210_clk_mask0_ctrl,
                        .ctrlbit        = (1 << 3),
                },
@@ -825,8 +824,7 @@ static struct clksrc_clk clksrcs[] = {
                .reg_div = { .reg = S5P_CLK_DIV1, .shift = 12, .size = 4 },
        }, {
                .clk            = {
-                        .name           = "sclk_cam",
+                        .name           = "sclk_cam1",
-                        .devname        = "s5pv210-fimc.1",
                        .enable         = s5pv210_clk_mask0_ctrl,
                        .ctrlbit        = (1 << 4),
                },
diff --git a/arch/arm/mach-s5pv210/pm.c b/arch/arm/mach-s5pv210/pm.c
index 309e388a8a83..f149d278377b 100644
--- a/arch/arm/mach-s5pv210/pm.c
+++ b/arch/arm/mach-s5pv210/pm.c
@@ -88,7 +88,7 @@ static struct sleep_save s5pv210_core_save[] = {
        SAVE_ITEM(S3C2410_TCNTO(0)),
 };
-void s5pv210_cpu_suspend(unsigned long arg)
+static int s5pv210_cpu_suspend(unsigned long arg)
 {
        unsigned long tmp;
diff --git a/arch/arm/mach-sa1100/pci-nanoengine.c b/arch/arm/mach-sa1100/pci-nanoengine.c
index 964c6c3cd7a6..dd39fee59549 100644
--- a/arch/arm/mach-sa1100/pci-nanoengine.c
+++ b/arch/arm/mach-sa1100/pci-nanoengine.c
@@ -28,6 +28,7 @@
 #include <asm/mach-types.h>
 #include <mach/nanoengine.h>
+#include <mach/hardware.h>
 static DEFINE_SPINLOCK(nano_lock);
diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c
index ce5c2513c6ce..cdfdd624d21d 100644
--- a/arch/arm/mach-shmobile/board-ag5evm.c
+++ b/arch/arm/mach-shmobile/board-ag5evm.c
@@ -341,6 +341,7 @@ static struct platform_device mipidsi0_device = {
 static struct sh_mobile_sdhi_info sdhi0_info = {
        .dma_slave_tx   = SHDMA_SLAVE_SDHI0_TX,
        .dma_slave_rx   = SHDMA_SLAVE_SDHI0_RX,
+        .tmio_flags     = TMIO_MMC_HAS_IDLE_WAIT,
        .tmio_caps      = MMC_CAP_SD_HIGHSPEED,
        .tmio_ocr_mask  = MMC_VDD_27_28 | MMC_VDD_28_29,
 };
@@ -382,7 +383,7 @@ void ag5evm_sdhi1_set_pwr(struct platform_device *pdev, int state)
 }
 static struct sh_mobile_sdhi_info sh_sdhi1_info = {
-        .tmio_flags     = TMIO_MMC_WRPROTECT_DISABLE,
+        .tmio_flags     = TMIO_MMC_WRPROTECT_DISABLE | TMIO_MMC_HAS_IDLE_WAIT,
        .tmio_caps      = MMC_CAP_NONREMOVABLE | MMC_CAP_SDIO_IRQ,
        .tmio_ocr_mask  = MMC_VDD_32_33 | MMC_VDD_33_34,
        .set_pwr        = ag5evm_sdhi1_set_pwr,
diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
index 9e0856b2f9e9..523f608eb8cf 100644
--- a/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -1412,6 +1412,7 @@ static void __init ap4evb_init(void)
        fsi_init_pm_clock();
        sh7372_pm_init();
        pm_clk_add(&fsi_device.dev, "spu2");
+        pm_clk_add(&lcdc1_device.dev, "hdmi");
 }
 static void __init ap4evb_timer_init(void)
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index d41c01f83f15..17c19dc25604 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -641,6 +641,8 @@ static struct usbhs_private usbhs0_private = {
                },
                .driver_param = {
                        .buswait_bwait  = 4,
+                        .d0_tx_id       = SHDMA_SLAVE_USB0_TX,
+                        .d1_rx_id       = SHDMA_SLAVE_USB0_RX,
                },
        },
 };
@@ -810,6 +812,8 @@ static struct usbhs_private usbhs1_private = {
                        .buswait_bwait  = 4,
                        .pipe_type      = usbhs1_pipe_cfg,
                        .pipe_size      = ARRAY_SIZE(usbhs1_pipe_cfg),
+                        .d0_tx_id       = SHDMA_SLAVE_USB1_TX,
+                        .d1_rx_id       = SHDMA_SLAVE_USB1_RX,
                },
        },
 };
@@ -1588,6 +1592,7 @@ static void __init mackerel_init(void)
        hdmi_init_pm_clock();
        sh7372_pm_init();
        pm_clk_add(&fsi_device.dev, "spu2");
+        pm_clk_add(&hdmi_lcdc_device.dev, "hdmi");
 }
 static void __init mackerel_timer_init(void)
diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c
index 6b1619a65dba..66975921e646 100644
--- a/arch/arm/mach-shmobile/clock-sh7372.c
+++ b/arch/arm/mach-shmobile/clock-sh7372.c
@@ -503,16 +503,17 @@ static struct clk *late_main_clks[] = {
        &sh7372_fsidivb_clk,
 };
-enum { MSTP001,
+enum { MSTP001, MSTP000,
       MSTP131, MSTP130,
       MSTP129, MSTP128, MSTP127, MSTP126, MSTP125,
       MSTP118, MSTP117, MSTP116, MSTP113,
       MSTP106, MSTP101, MSTP100,
       MSTP223,
-       MSTP218, MSTP217, MSTP216,
+       MSTP218, MSTP217, MSTP216, MSTP214, MSTP208, MSTP207,
-       MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
+       MSTP206, MSTP205, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
-       MSTP329, MSTP328, MSTP323, MSTP322, MSTP314, MSTP313, MSTP312,
+       MSTP328, MSTP323, MSTP322, MSTP314, MSTP313, MSTP312,
-       MSTP423, MSTP415, MSTP413, MSTP411, MSTP410, MSTP406, MSTP403,
+       MSTP423, MSTP415, MSTP413, MSTP411, MSTP410, MSTP407, MSTP406,
+       MSTP405, MSTP404, MSTP403, MSTP400,
       MSTP_NR };
 #define MSTP(_parent, _reg, _bit, _flags) \
@@ -520,6 +521,7 @@ enum { MSTP001,
 static struct clk mstp_clks[MSTP_NR] = {
        [MSTP001] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR0, 1, 0), /* IIC2 */
+        [MSTP000] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR0, 0, 0), /* MSIOF0 */
        [MSTP131] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 31, 0), /* VEU3 */
        [MSTP130] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 30, 0), /* VEU2 */
        [MSTP129] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 29, 0), /* VEU1 */
@@ -538,14 +540,16 @@ static struct clk mstp_clks[MSTP_NR] = {
        [MSTP218] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* DMAC1 */
        [MSTP217] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 17, 0), /* DMAC2 */
        [MSTP216] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 16, 0), /* DMAC3 */
+        [MSTP214] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 14, 0), /* USBDMAC */
+        [MSTP208] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 8, 0), /* MSIOF1 */
        [MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */
        [MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */
+        [MSTP205] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 5, 0), /* MSIOF2 */
        [MSTP204] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */
        [MSTP203] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 3, 0), /* SCIFA1 */
        [MSTP202] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 2, 0), /* SCIFA2 */
        [MSTP201] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 1, 0), /* SCIFA3 */
        [MSTP200] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 0, 0), /* SCIFA4 */
-        [MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */
        [MSTP328] = MSTP(&div6_clks[DIV6_SPU], SMSTPCR3, 28, 0), /* FSI2 */
        [MSTP323] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 23, 0), /* IIC1 */
        [MSTP322] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 22, 0), /* USB0 */
@@ -557,8 +561,12 @@ static struct clk mstp_clks[MSTP_NR] = {
        [MSTP413] = MSTP(&pllc1_div2_clk, SMSTPCR4, 13, 0), /* HDMI */
        [MSTP411] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 11, 0), /* IIC3 */
        [MSTP410] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 10, 0), /* IIC4 */
+        [MSTP407] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 7, 0), /* USB-DMAC1 */
        [MSTP406] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 6, 0), /* USB1 */
+        [MSTP405] = MSTP(&r_clk, SMSTPCR4, 5, 0), /* CMT4 */
+        [MSTP404] = MSTP(&r_clk, SMSTPCR4, 4, 0), /* CMT3 */
        [MSTP403] = MSTP(&r_clk, SMSTPCR4, 3, 0), /* KEYSC */
+        [MSTP400] = MSTP(&r_clk, SMSTPCR4, 0, 0), /* CMT2 */
 };
 static struct clk_lookup lookups[] = {
@@ -609,6 +617,7 @@ static struct clk_lookup lookups[] = {
        /* MSTP32 clocks */
        CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* IIC2 */
+        CLKDEV_DEV_ID("spi_sh_msiof.0", &mstp_clks[MSTP000]), /* MSIOF0 */
        CLKDEV_DEV_ID("uio_pdrv_genirq.4", &mstp_clks[MSTP131]), /* VEU3 */
        CLKDEV_DEV_ID("uio_pdrv_genirq.3", &mstp_clks[MSTP130]), /* VEU2 */
        CLKDEV_DEV_ID("uio_pdrv_genirq.2", &mstp_clks[MSTP129]), /* VEU1 */
@@ -629,14 +638,16 @@ static struct clk_lookup lookups[] = {
        CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), /* DMAC1 */
        CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[MSTP217]), /* DMAC2 */
        CLKDEV_DEV_ID("sh-dma-engine.2", &mstp_clks[MSTP216]), /* DMAC3 */
+        CLKDEV_DEV_ID("sh-dma-engine.3", &mstp_clks[MSTP214]), /* USB-DMAC0 */
+        CLKDEV_DEV_ID("spi_sh_msiof.1", &mstp_clks[MSTP208]), /* MSIOF1 */
        CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */
        CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP206]), /* SCIFB */
+        CLKDEV_DEV_ID("spi_sh_msiof.2", &mstp_clks[MSTP205]), /* MSIOF2 */
        CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */
        CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), /* SCIFA1 */
        CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP202]), /* SCIFA2 */
        CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP201]), /* SCIFA3 */
        CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), /* SCIFA4 */
-        CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */
        CLKDEV_DEV_ID("sh_fsi2", &mstp_clks[MSTP328]), /* FSI2 */
        CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* IIC1 */
        CLKDEV_DEV_ID("r8a66597_hcd.0", &mstp_clks[MSTP322]), /* USB0 */
@@ -650,11 +661,17 @@ static struct clk_lookup lookups[] = {
        CLKDEV_DEV_ID("sh-mobile-hdmi", &mstp_clks[MSTP413]), /* HDMI */
        CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* IIC3 */
        CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* IIC4 */
+        CLKDEV_DEV_ID("sh-dma-engine.4", &mstp_clks[MSTP407]), /* USB-DMAC1 */
        CLKDEV_DEV_ID("r8a66597_hcd.1", &mstp_clks[MSTP406]), /* USB1 */
        CLKDEV_DEV_ID("r8a66597_udc.1", &mstp_clks[MSTP406]), /* USB1 */
        CLKDEV_DEV_ID("renesas_usbhs.1", &mstp_clks[MSTP406]), /* USB1 */
+        CLKDEV_DEV_ID("sh_cmt.4", &mstp_clks[MSTP405]), /* CMT4 */
+        CLKDEV_DEV_ID("sh_cmt.3", &mstp_clks[MSTP404]), /* CMT3 */
        CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */
+        CLKDEV_DEV_ID("sh_cmt.2", &mstp_clks[MSTP400]), /* CMT2 */
+        CLKDEV_ICK_ID("hdmi", "sh_mobile_lcdc_fb.1",
+                      &div6_reparent_clks[DIV6_HDMI]),
        CLKDEV_ICK_ID("ick", "sh-mobile-hdmi", &div6_reparent_clks[DIV6_HDMI]),
        CLKDEV_ICK_ID("icka", "sh_fsi2", &div6_reparent_clks[DIV6_FSIA]),
        CLKDEV_ICK_ID("ickb", "sh_fsi2", &div6_reparent_clks[DIV6_FSIB]),
diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c
index 6db2ccabc2bf..61a846bb30f2 100644
--- a/arch/arm/mach-shmobile/clock-sh73a0.c
+++ b/arch/arm/mach-shmobile/clock-sh73a0.c
@@ -365,7 +365,7 @@ void __init sh73a0_clock_init(void)
        __raw_writel(0x108, SD2CKCR);
        /* detect main clock parent */
-        switch ((__raw_readl(CKSCR) >> 24) & 0x03) {
+        switch ((__raw_readl(CKSCR) >> 28) & 0x03) {
        case 0:
                main_clk.parent = &sh73a0_extal1_clk;
                break;
diff --git a/arch/arm/mach-shmobile/include/mach/sh7372.h b/arch/arm/mach-shmobile/include/mach/sh7372.h
index ce595cee86cd..24e63a85e669 100644
--- a/arch/arm/mach-shmobile/include/mach/sh7372.h
+++ b/arch/arm/mach-shmobile/include/mach/sh7372.h
@@ -459,6 +459,10 @@ enum {
        SHDMA_SLAVE_SDHI2_TX,
        SHDMA_SLAVE_MMCIF_RX,
        SHDMA_SLAVE_MMCIF_TX,
+        SHDMA_SLAVE_USB0_TX,
+        SHDMA_SLAVE_USB0_RX,
+        SHDMA_SLAVE_USB1_TX,
+        SHDMA_SLAVE_USB1_RX,
 };
 extern struct clk sh7372_extal1_clk;
diff --git a/arch/arm/mach-shmobile/intc-sh7372.c b/arch/arm/mach-shmobile/intc-sh7372.c
index 3b28743c77eb..739315e30eb9 100644
--- a/arch/arm/mach-shmobile/intc-sh7372.c
+++ b/arch/arm/mach-shmobile/intc-sh7372.c
@@ -379,7 +379,7 @@ enum {
        /* BBIF2 */
        VPU,
        TSIF1,
-        _3DG_SGX530,
+        /* 3DG */
        _2DDMAC,
        IIC2_ALI2, IIC2_TACKI2, IIC2_WAITI2, IIC2_DTEI2,
        IPMMU_IPMMUR, IPMMU_IPMMUR2,
@@ -436,7 +436,7 @@ static struct intc_vect intcs_vectors[] = {
        /* BBIF2 */
        INTCS_VECT(VPU, 0x980),
        INTCS_VECT(TSIF1, 0x9a0),
-        INTCS_VECT(_3DG_SGX530, 0x9e0),
+        /* 3DG */
        INTCS_VECT(_2DDMAC, 0xa00),
        INTCS_VECT(IIC2_ALI2, 0xa80), INTCS_VECT(IIC2_TACKI2, 0xaa0),
        INTCS_VECT(IIC2_WAITI2, 0xac0), INTCS_VECT(IIC2_DTEI2, 0xae0),
@@ -521,7 +521,7 @@ static struct intc_mask_reg intcs_mask_registers[] = {
            RTDMAC_1_DEI3, RTDMAC_1_DEI2, RTDMAC_1_DEI1, RTDMAC_1_DEI0 } },
        { 0xffd20198, 0xffd201d8, 8, /* IMR6SA / IMCR6SA */
          { 0, 0, MSIOF, 0,
-            _3DG_SGX530, 0, 0, 0 } },
+            0, 0, 0, 0 } },
        { 0xffd2019c, 0xffd201dc, 8, /* IMR7SA / IMCR7SA */
          { 0, TMU_TUNI2, TMU_TUNI1, TMU_TUNI0,
            0, 0, 0, 0 } },
@@ -561,7 +561,6 @@ static struct intc_prio_reg intcs_prio_registers[] = {
                                              TMU_TUNI2, TSIF1 } },
        { 0xffd2001c, 0, 16, 4, /* IPRHS */ { 0, 0, VEU, BEU } },
        { 0xffd20020, 0, 16, 4, /* IPRIS */ { 0, MSIOF, TSIF0, IIC0 } },
-        { 0xffd20024, 0, 16, 4, /* IPRJS */ { 0, _3DG_SGX530, 0, 0 } },
        { 0xffd20028, 0, 16, 4, /* IPRKS */ { 0, 0, LMB, 0 } },
        { 0xffd2002c, 0, 16, 4, /* IPRLS */ { IPMMU, 0, 0, 0 } },
        { 0xffd20030, 0, 16, 4, /* IPRMS */ { IIC2, 0, 0, 0 } },
diff --git a/arch/arm/mach-shmobile/setup-sh7372.c b/arch/arm/mach-shmobile/setup-sh7372.c
index 79f0413d8725..2d9b1b1a2538 100644
--- a/arch/arm/mach-shmobile/setup-sh7372.c
+++ b/arch/arm/mach-shmobile/setup-sh7372.c
@@ -169,35 +169,35 @@ static struct platform_device scif6_device = {
 };
 /* CMT */
-static struct sh_timer_config cmt10_platform_data = {
+static struct sh_timer_config cmt2_platform_data = {
-        .name = "CMT10",
+        .name = "CMT2",
-        .channel_offset = 0x10,
+        .channel_offset = 0x40,
-        .timer_bit = 0,
+        .timer_bit = 5,
        .clockevent_rating = 125,
        .clocksource_rating = 125,
 };
-static struct resource cmt10_resources[] = {
+static struct resource cmt2_resources[] = {
        [0] = {
-                .name   = "CMT10",
+                .name   = "CMT2",
-                .start  = 0xe6138010,
+                .start  = 0xe6130040,
-                .end    = 0xe613801b,
+                .end    = 0xe613004b,
                .flags  = IORESOURCE_MEM,
        },
        [1] = {
-                .start  = evt2irq(0x0b00), /* CMT1_CMT10 */
+                .start  = evt2irq(0x0b80), /* CMT2 */
                .flags  = IORESOURCE_IRQ,
        },
 };
-static struct platform_device cmt10_device = {
+static struct platform_device cmt2_device = {
        .name           = "sh_cmt",
-        .id             = 10,
+        .id             = 2,
        .dev = {
-                .platform_data  = &cmt10_platform_data,
+                .platform_data  = &cmt2_platform_data,
        },
-        .resource       = cmt10_resources,
+        .resource       = cmt2_resources,
-        .num_resources  = ARRAY_SIZE(cmt10_resources),
+        .num_resources  = ARRAY_SIZE(cmt2_resources),
 };
 /* TMU */
@@ -602,6 +602,150 @@ static struct platform_device dma2_device = {
        },
 };
+/*
+ * USB-DMAC
+ */
+unsigned int usbts_shift[] = {3, 4, 5};
+enum {
+        XMIT_SZ_8BYTE           = 0,
+        XMIT_SZ_16BYTE          = 1,
+        XMIT_SZ_32BYTE          = 2,
+};
+#define USBTS_INDEX2VAL(i) (((i) & 3) << 6)
+static const struct sh_dmae_channel sh7372_usb_dmae_channels[] = {
+        {
+                .offset = 0,
+        }, {
+                .offset = 0x20,
+        },
+};
+/* USB DMAC0 */
+static const struct sh_dmae_slave_config sh7372_usb_dmae0_slaves[] = {
+        {
+                .slave_id       = SHDMA_SLAVE_USB0_TX,
+                .chcr           = USBTS_INDEX2VAL(XMIT_SZ_8BYTE),
+        }, {
+                .slave_id       = SHDMA_SLAVE_USB0_RX,
+                .chcr           = USBTS_INDEX2VAL(XMIT_SZ_8BYTE),
+        },
+};
+static struct sh_dmae_pdata usb_dma0_platform_data = {
+        .slave          = sh7372_usb_dmae0_slaves,
+        .slave_num      = ARRAY_SIZE(sh7372_usb_dmae0_slaves),
+        .channel        = sh7372_usb_dmae_channels,
+        .channel_num    = ARRAY_SIZE(sh7372_usb_dmae_channels),
+        .ts_low_shift   = 6,
+        .ts_low_mask    = 0xc0,
+        .ts_high_shift  = 0,
+        .ts_high_mask   = 0,
+        .ts_shift       = usbts_shift,
+        .ts_shift_num   = ARRAY_SIZE(usbts_shift),
+        .dmaor_init     = DMAOR_DME,
+        .chcr_offset    = 0x14,
+        .chcr_ie_bit    = 1 << 5,
+        .dmaor_is_32bit = 1,
+        .needs_tend_set = 1,
+        .no_dmars       = 1,
+};
+static struct resource sh7372_usb_dmae0_resources[] = {
+        {
+                /* Channel registers and DMAOR */
+                .start  = 0xe68a0020,
+                .end    = 0xe68a0064 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                /* VCR/SWR/DMICR */
+                .start  = 0xe68a0000,
+                .end    = 0xe68a0014 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                /* IRQ for channels */
+                .start  = evt2irq(0x0a00),
+                .end    = evt2irq(0x0a00),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+static struct platform_device usb_dma0_device = {
+        .name           = "sh-dma-engine",
+        .id             = 3,
+        .resource       = sh7372_usb_dmae0_resources,
+        .num_resources  = ARRAY_SIZE(sh7372_usb_dmae0_resources),
+        .dev            = {
+                .platform_data  = &usb_dma0_platform_data,
+        },
+};
+/* USB DMAC1 */
+static const struct sh_dmae_slave_config sh7372_usb_dmae1_slaves[] = {
+        {
+                .slave_id       = SHDMA_SLAVE_USB1_TX,
+                .chcr           = USBTS_INDEX2VAL(XMIT_SZ_8BYTE),
+        }, {
+                .slave_id       = SHDMA_SLAVE_USB1_RX,
+                .chcr           = USBTS_INDEX2VAL(XMIT_SZ_8BYTE),
+        },
+};
+static struct sh_dmae_pdata usb_dma1_platform_data = {
+        .slave          = sh7372_usb_dmae1_slaves,
+        .slave_num      = ARRAY_SIZE(sh7372_usb_dmae1_slaves),
+        .channel        = sh7372_usb_dmae_channels,
+        .channel_num    = ARRAY_SIZE(sh7372_usb_dmae_channels),
+        .ts_low_shift   = 6,
+        .ts_low_mask    = 0xc0,
+        .ts_high_shift  = 0,
+        .ts_high_mask   = 0,
+        .ts_shift       = usbts_shift,
+        .ts_shift_num   = ARRAY_SIZE(usbts_shift),
+        .dmaor_init     = DMAOR_DME,
+        .chcr_offset    = 0x14,
+        .chcr_ie_bit    = 1 << 5,
+        .dmaor_is_32bit = 1,
+        .needs_tend_set = 1,
+        .no_dmars       = 1,
+};
+static struct resource sh7372_usb_dmae1_resources[] = {
+        {
+                /* Channel registers and DMAOR */
+                .start  = 0xe68c0020,
+                .end    = 0xe68c0064 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                /* VCR/SWR/DMICR */
+                .start  = 0xe68c0000,
+                .end    = 0xe68c0014 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                /* IRQ for channels */
+                .start  = evt2irq(0x1d00),
+                .end    = evt2irq(0x1d00),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+static struct platform_device usb_dma1_device = {
+        .name           = "sh-dma-engine",
+        .id             = 4,
+        .resource       = sh7372_usb_dmae1_resources,
+        .num_resources  = ARRAY_SIZE(sh7372_usb_dmae1_resources),
+        .dev            = {
+                .platform_data  = &usb_dma1_platform_data,
+        },
+};
 /* VPU */
 static struct uio_info vpu_platform_data = {
        .name = "VPU5HG",
@@ -818,7 +962,7 @@ static struct platform_device *sh7372_early_devices[] __initdata = {
        &scif4_device,
        &scif5_device,
        &scif6_device,
-        &cmt10_device,
+        &cmt2_device,
        &tmu00_device,
        &tmu01_device,
 };
@@ -829,6 +973,8 @@ static struct platform_device *sh7372_late_devices[] __initdata = {
        &dma0_device,
        &dma1_device,
        &dma2_device,
+        &usb_dma0_device,
+        &usb_dma1_device,
        &vpu_device,
        &veu0_device,
        &veu1_device,
diff --git a/arch/arm/mach-tegra/cpu-tegra.c b/arch/arm/mach-tegra/cpu-tegra.c
index 0e1016a827ac..0e0fd4d889bd 100644
--- a/arch/arm/mach-tegra/cpu-tegra.c
+++ b/arch/arm/mach-tegra/cpu-tegra.c
@@ -32,7 +32,6 @@
 #include <asm/system.h>
-#include <mach/hardware.h>
 #include <mach/clk.h>
 /* Frequency table index must be sequential starting at 0 */
diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig
index 4210cb434dbc..a3e0c8692f0d 100644
--- a/arch/arm/mach-ux500/Kconfig
+++ b/arch/arm/mach-ux500/Kconfig
@@ -6,6 +6,7 @@ config UX500_SOC_COMMON
        select ARM_GIC
        select HAS_MTU
        select ARM_ERRATA_753970
+        select ARM_ERRATA_754322
 menu "Ux500 SoC"
diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c
index 9e6b93b1a043..d0d267a8d3f9 100644
--- a/arch/arm/mach-vexpress/v2m.c
+++ b/arch/arm/mach-vexpress/v2m.c
@@ -318,6 +318,10 @@ static struct clk v2m_sp804_clk = {
        .rate   = 1000000,
 };
+static struct clk v2m_ref_clk = {
+        .rate   = 32768,
+};
 static struct clk dummy_apb_pclk;
 static struct clk_lookup v2m_lookups[] = {
@@ -348,6 +352,9 @@ static struct clk_lookup v2m_lookups[] = {
        }, {    /* CLCD */
                .dev_id         = "mb:clcd",
                .clk            = &osc1_clk,
+        }, {    /* SP805 WDT */
+                .dev_id         = "mb:wdt",
+                .clk            = &v2m_ref_clk,
        }, {    /* SP804 timers */
                .dev_id         = "sp804",
                .con_id         = "v2m-timer0",
diff --git a/arch/arm/mm/abort-macro.S b/arch/arm/mm/abort-macro.S
index 52162d59407a..2cbf68ef0e83 100644
--- a/arch/arm/mm/abort-macro.S
+++ b/arch/arm/mm/abort-macro.S
@@ -17,7 +17,7 @@
        cmp     \tmp, # 0x5600                  @ Is it ldrsb?
        orreq   \tmp, \tmp, #1 << 11            @ Set L-bit if yes
        tst     \tmp, #1 << 11                  @ L = 0 -> write
-        orreq   \psr, \psr, #1 << 11            @ yes.
+        orreq   \fsr, \fsr, #1 << 11            @ yes.
        b       do_DataAbort
 not_thumb:
        .endm
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index be7c638b648b..cfbcf8b95599 100644
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -22,6 +22,7 @@
 #include <linux/sched.h>
 #include <linux/uaccess.h>
+#include <asm/system.h>
 #include <asm/unaligned.h>
 #include "fault.h"
@@ -95,6 +96,33 @@ static const char *usermode_action[] = {
        "signal+warn"
 };
+/* Return true if and only if the ARMv6 unaligned access model is in use. */
+static bool cpu_is_v6_unaligned(void)
+{
+        return cpu_architecture() >= CPU_ARCH_ARMv6 && (cr_alignment & CR_U);
+}
+static int safe_usermode(int new_usermode, bool warn)
+{
+        /*
+         * ARMv6 and later CPUs can perform unaligned accesses for
+         * most single load and store instructions up to word size.
+         * LDM, STM, LDRD and STRD still need to be handled.
+         *
+         * Ignoring the alignment fault is not an option on these
+         * CPUs since we spin re-faulting the instruction without
+         * making any progress.
+         */
+        if (cpu_is_v6_unaligned() && !(new_usermode & (UM_FIXUP | UM_SIGNAL))) {
+                new_usermode |= UM_FIXUP;
+                if (warn)
+                        printk(KERN_WARNING "alignment: ignoring faults is unsafe on this CPU.  Defaulting to fixup mode.\n");
+        }
+        return new_usermode;
+}
 static int alignment_proc_show(struct seq_file *m, void *v)
 {
        seq_printf(m, "User:\t\t%lu\n", ai_user);
@@ -125,7 +153,7 @@ static ssize_t alignment_proc_write(struct file *file, const char __user *buffer
                if (get_user(mode, buffer))
                        return -EFAULT;
                if (mode >= '0' && mode <= '5')
-                        ai_usermode = mode - '0';
+                        ai_usermode = safe_usermode(mode - '0', true);
        }
        return count;
 }
@@ -886,9 +914,16 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
        if (ai_usermode & UM_FIXUP)
                goto fixup;
-        if (ai_usermode & UM_SIGNAL)
+        if (ai_usermode & UM_SIGNAL) {
-                force_sig(SIGBUS, current);
+                siginfo_t si;
-        else {
+                si.si_signo = SIGBUS;
+                si.si_errno = 0;
+                si.si_code = BUS_ADRALN;
+                si.si_addr = (void __user *)addr;
+                force_sig_info(si.si_signo, &si, current);
+        } else {
                /*
                 * We're about to disable the alignment trap and return to
                 * user space.  But if an interrupt occurs before actually
@@ -926,20 +961,11 @@ static int __init alignment_init(void)
                return -ENOMEM;
 #endif
-        /*
+        if (cpu_is_v6_unaligned()) {
-         * ARMv6 and later CPUs can perform unaligned accesses for
-         * most single load and store instructions up to word size.
-         * LDM, STM, LDRD and STRD still need to be handled.
-         *
-         * Ignoring the alignment fault is not an option on these
-         * CPUs since we spin re-faulting the instruction without
-         * making any progress.
-         */
-        if (cpu_architecture() >= CPU_ARCH_ARMv6 && (cr_alignment & CR_U)) {
                cr_alignment &= ~CR_A;
                cr_no_alignment &= ~CR_A;
                set_cr(cr_alignment);
-                ai_usermode = UM_FIXUP;
+                ai_usermode = safe_usermode(ai_usermode, false);
        }
        hook_fault_code(1, do_alignment, SIGBUS, BUS_ADRALN,
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index 44c086710d2b..9ecfdb511951 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -277,6 +277,25 @@ static void l2x0_disable(void)
        spin_unlock_irqrestore(&l2x0_lock, flags);
 }
+static void __init l2x0_unlock(__u32 cache_id)
+{
+        int lockregs;
+        int i;
+        if (cache_id == L2X0_CACHE_ID_PART_L310)
+                lockregs = 8;
+        else
+                /* L210 and unknown types */
+                lockregs = 1;
+        for (i = 0; i < lockregs; i++) {
+                writel_relaxed(0x0, l2x0_base + L2X0_LOCKDOWN_WAY_D_BASE +
+                               i * L2X0_LOCKDOWN_STRIDE);
+                writel_relaxed(0x0, l2x0_base + L2X0_LOCKDOWN_WAY_I_BASE +
+                               i * L2X0_LOCKDOWN_STRIDE);
+        }
+}
 void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask)
 {
        __u32 aux;
@@ -328,6 +347,8 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask)
         * accessing the below registers will fault.
         */
        if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & 1)) {
+                /* Make sure that I&D is not locked down when starting */
+                l2x0_unlock(cache_id);
                /* l2x0 controller is disabled */
                writel_relaxed(aux, l2x0_base + L2X0_AUX_CTRL);
diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S
index 3b24bfa3b828..07c4bc8ea0a4 100644
--- a/arch/arm/mm/cache-v7.S
+++ b/arch/arm/mm/cache-v7.S
@@ -174,6 +174,10 @@ ENTRY(v7_coherent_user_range)
        dcache_line_size r2, r3
        sub     r3, r2, #1
        bic     r12, r0, r3
+#ifdef CONFIG_ARM_ERRATA_764369
+        ALT_SMP(W(dsb))
+        ALT_UP(W(nop))
+#endif
 1:
 USER(  mcr     p15, 0, r12, c7, c11, 1 )       @ clean D line to the point of unification
        add     r12, r12, r2
@@ -223,6 +227,10 @@ ENTRY(v7_flush_kern_dcache_area)
        add     r1, r0, r1
        sub     r3, r2, #1
        bic     r0, r0, r3
+#ifdef CONFIG_ARM_ERRATA_764369
+        ALT_SMP(W(dsb))
+        ALT_UP(W(nop))
+#endif
 1:
        mcr     p15, 0, r0, c7, c14, 1          @ clean & invalidate D line / unified line
        add     r0, r0, r2
@@ -247,6 +255,10 @@ v7_dma_inv_range:
        sub     r3, r2, #1
        tst     r0, r3
        bic     r0, r0, r3
+#ifdef CONFIG_ARM_ERRATA_764369
+        ALT_SMP(W(dsb))
+        ALT_UP(W(nop))
+#endif
        mcrne   p15, 0, r0, c7, c14, 1          @ clean & invalidate D / U line
        tst     r1, r3
@@ -270,6 +282,10 @@ v7_dma_clean_range:
        dcache_line_size r2, r3
        sub     r3, r2, #1
        bic     r0, r0, r3
+#ifdef CONFIG_ARM_ERRATA_764369
+        ALT_SMP(W(dsb))
+        ALT_UP(W(nop))
+#endif
 1:
        mcr     p15, 0, r0, c7, c10, 1          @ clean D / U line
        add     r0, r0, r2
@@ -288,6 +304,10 @@ ENTRY(v7_dma_flush_range)
        dcache_line_size r2, r3
        sub     r3, r2, #1
        bic     r0, r0, r3
+#ifdef CONFIG_ARM_ERRATA_764369
+        ALT_SMP(W(dsb))
+        ALT_UP(W(nop))
+#endif
 1:
        mcr     p15, 0, r0, c7, c14, 1          @ clean & invalidate D / U line
        add     r0, r0, r2
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 0a0a1e7c20d2..c3ff82f92d9c 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -324,6 +324,8 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp,
        if (addr)
                *handle = pfn_to_dma(dev, page_to_pfn(page));
+        else
+                __dma_free_buffer(page, size);
        return addr;
 }
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 2fee782077c1..f8037ba338ac 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -298,7 +298,7 @@ static void __init arm_bootmem_free(unsigned long min, unsigned long max_low,
 #ifdef CONFIG_HAVE_ARCH_PFN_VALID
 int pfn_valid(unsigned long pfn)
 {
-        return memblock_is_memory(pfn << PAGE_SHIFT);
+        return memblock_is_memory(__pfn_to_phys(pfn));
 }
 EXPORT_SYMBOL(pfn_valid);
 #endif
@@ -441,7 +441,7 @@ static inline int free_area(unsigned long pfn, unsigned long end, char *s)
 static inline void poison_init_mem(void *s, size_t count)
 {
        u32 *p = (u32 *)s;
-        while ((count = count - 4))
+        for (; count != 0; count -= 4)
                *p++ = 0xe7fddef0;
 }
@@ -496,6 +496,13 @@ static void __init free_unused_memmap(struct meminfo *mi)
                 */
                bank_start = min(bank_start,
                                 ALIGN(prev_bank_end, PAGES_PER_SECTION));
+#else
+                /*
+                 * Align down here since the VM subsystem insists that the
+                 * memmap entries are valid from the bank start aligned to
+                 * MAX_ORDER_NR_PAGES.
+                 */
+                bank_start = round_down(bank_start, MAX_ORDER_NR_PAGES);
 #endif
                /*
                 * If we had a previous bank, and there is a space
diff --git a/arch/arm/mm/proc-arm920.S b/arch/arm/mm/proc-arm920.S
index 92bd102e3982..2e6849b41f66 100644
--- a/arch/arm/mm/proc-arm920.S
+++ b/arch/arm/mm/proc-arm920.S
@@ -379,7 +379,7 @@ ENTRY(cpu_arm920_set_pte_ext)
 /* Suspend/resume support: taken from arch/arm/plat-s3c24xx/sleep.S */
 .globl  cpu_arm920_suspend_size
-.equ    cpu_arm920_suspend_size, 4 * 3
+.equ    cpu_arm920_suspend_size, 4 * 4
 #ifdef CONFIG_PM_SLEEP
 ENTRY(cpu_arm920_do_suspend)
        stmfd   sp!, {r4 - r7, lr}
diff --git a/arch/arm/mm/proc-arm926.S b/arch/arm/mm/proc-arm926.S
index 2bbcf053dffd..cd8f79c3a282 100644
--- a/arch/arm/mm/proc-arm926.S
+++ b/arch/arm/mm/proc-arm926.S
@@ -394,7 +394,7 @@ ENTRY(cpu_arm926_set_pte_ext)
 /* Suspend/resume support: taken from arch/arm/plat-s3c24xx/sleep.S */
 .globl  cpu_arm926_suspend_size
-.equ    cpu_arm926_suspend_size, 4 * 3
+.equ    cpu_arm926_suspend_size, 4 * 4
 #ifdef CONFIG_PM_SLEEP
 ENTRY(cpu_arm926_do_suspend)
        stmfd   sp!, {r4 - r7, lr}
diff --git a/arch/arm/mm/proc-arm946.S b/arch/arm/mm/proc-arm946.S
index f8f7ea34bfc5..683af3a182b7 100644
--- a/arch/arm/mm/proc-arm946.S
+++ b/arch/arm/mm/proc-arm946.S
@@ -410,6 +410,7 @@ __arm946_proc_info:
        .long   0x41009460
        .long   0xff00fff0
        .long   0
+        .long   0
        b       __arm946_setup
        .long   cpu_arch_name
        .long   cpu_elf_name
@@ -418,6 +419,6 @@ __arm946_proc_info:
        .long   arm946_processor_functions
        .long   0
        .long   0
-        .long   arm940_cache_fns
+        .long   arm946_cache_fns
        .size   __arm946_proc_info, . - __arm946_proc_info
diff --git a/arch/arm/mm/proc-sa1100.S b/arch/arm/mm/proc-sa1100.S
index 07219c2ae114..69e7f2ef7384 100644
--- a/arch/arm/mm/proc-sa1100.S
+++ b/arch/arm/mm/proc-sa1100.S
@@ -182,11 +182,11 @@ ENDPROC(cpu_sa1100_do_suspend)
 ENTRY(cpu_sa1100_do_resume)
        ldmia   r0, {r4 - r7}                   @ load cp regs
-        mov     r1, #0
+        mov     ip, #0
-        mcr     p15, 0, r1, c8, c7, 0           @ flush I+D TLBs
+        mcr     p15, 0, ip, c8, c7, 0           @ flush I+D TLBs
-        mcr     p15, 0, r1, c7, c7, 0           @ flush I&D cache
+        mcr     p15, 0, ip, c7, c7, 0           @ flush I&D cache
-        mcr     p15, 0, r1, c9, c0, 0           @ invalidate RB
+        mcr     p15, 0, ip, c9, c0, 0           @ invalidate RB
-        mcr     p15, 0, r1, c9, c0, 5           @ allow user space to use RB
+        mcr     p15, 0, ip, c9, c0, 5           @ allow user space to use RB
        mcr     p15, 0, r4, c3, c0, 0           @ domain ID
        mcr     p15, 0, r5, c2, c0, 0           @ translation table base addr
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
index 219138d2f158..a923aa0fd00d 100644
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -223,6 +223,22 @@ __v6_setup:
        mrc     p15, 0, r0, c1, c0, 0           @ read control register
        bic     r0, r0, r5                      @ clear bits them
        orr     r0, r0, r6                      @ set them
+#ifdef CONFIG_ARM_ERRATA_364296
+        /*
+         * Workaround for the 364296 ARM1136 r0p2 erratum (possible cache data
+         * corruption with hit-under-miss enabled). The conditional code below
+         * (setting the undocumented bit 31 in the auxiliary control register
+         * and the FI bit in the control register) disables hit-under-miss
+         * without putting the processor into full low interrupt latency mode.
+         */
+        ldr     r6, =0x4107b362                 @ id for ARM1136 r0p2
+        mrc     p15, 0, r5, c0, c0, 0           @ get processor id
+        teq     r5, r6                          @ check for the faulty core
+        mrceq   p15, 0, r5, c1, c0, 1           @ load aux control reg
+        orreq   r5, r5, #(1 << 31)              @ set the undocumented bit 31
+        mcreq   p15, 0, r5, c1, c0, 1           @ write aux control reg
+        orreq   r0, r0, #(1 << 21)              @ low interrupt latency configuration
+#endif
        mov     pc, lr                          @ return to head.S:__ret
        /*
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index a30e78542ccf..9049c0764db2 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -66,6 +66,7 @@ ENDPROC(cpu_v7_proc_fin)
 ENTRY(cpu_v7_reset)
        mrc     p15, 0, r1, c1, c0, 0           @ ctrl register
        bic     r1, r1, #0x1                    @ ...............m
+ THUMB( bic     r1, r1, #1 << 30 )              @ SCTLR.TE (Thumb exceptions)
        mcr     p15, 0, r1, c1, c0, 0           @ disable MMU
        isb
        mov     pc, r0
@@ -247,13 +248,16 @@ ENTRY(cpu_v7_do_resume)
        mcr     p15, 0, r7, c2, c0, 0   @ TTB 0
        mcr     p15, 0, r8, c2, c0, 1   @ TTB 1
        mcr     p15, 0, ip, c2, c0, 2   @ TTB control register
-        mcr     p15, 0, r10, c1, c0, 1  @ Auxiliary control register
+        mrc     p15, 0, r4, c1, c0, 1   @ Read Auxiliary control register
+        teq     r4, r10                 @ Is it already set?
+        mcrne   p15, 0, r10, c1, c0, 1  @ No, so write it
        mcr     p15, 0, r11, c1, c0, 2  @ Co-processor access control
        ldr     r4, =PRRR               @ PRRR
        ldr     r5, =NMRR               @ NMRR
        mcr     p15, 0, r4, c10, c2, 0  @ write PRRR
        mcr     p15, 0, r5, c10, c2, 1  @ write NMRR
        isb
+        dsb
        mov     r0, r9                  @ control register
        mov     r2, r7, lsr #14         @ get TTB0 base
        mov     r2, r2, lsl #14
diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S
index 28c72a2006a1..755e1bf22681 100644
--- a/arch/arm/mm/proc-xsc3.S
+++ b/arch/arm/mm/proc-xsc3.S
@@ -406,7 +406,7 @@ ENTRY(cpu_xsc3_set_pte_ext)
        .align
 .globl  cpu_xsc3_suspend_size
-.equ    cpu_xsc3_suspend_size, 4 * 8
+.equ    cpu_xsc3_suspend_size, 4 * 7
 #ifdef CONFIG_PM_SLEEP
 ENTRY(cpu_xsc3_do_suspend)
        stmfd   sp!, {r4 - r10, lr}
@@ -418,12 +418,12 @@ ENTRY(cpu_xsc3_do_suspend)
        mrc     p15, 0, r9, c1, c0, 1   @ auxiliary control reg
        mrc     p15, 0, r10, c1, c0, 0  @ control reg
        bic     r4, r4, #2              @ clear frequency change bit
-        stmia   r0, {r1, r4 - r10}      @ store v:p offset + cp regs
+        stmia   r0, {r4 - r10}          @ store cp regs
        ldmia   sp!, {r4 - r10, pc}
 ENDPROC(cpu_xsc3_do_suspend)
 ENTRY(cpu_xsc3_do_resume)
-        ldmia   r0, {r1, r4 - r10}      @ load v:p offset + cp regs
+        ldmia   r0, {r4 - r10}          @ load cp regs
        mov     ip, #0
        mcr     p15, 0, ip, c7, c7, 0   @ invalidate I & D caches, BTB
        mcr     p15, 0, ip, c7, c10, 4  @ drain write (&fill) buffer
diff --git a/arch/arm/plat-mxc/include/mach/debug-macro.S b/arch/arm/plat-mxc/include/mach/debug-macro.S
index 91fc7cdb5dc9..e4dde91f0231 100644
--- a/arch/arm/plat-mxc/include/mach/debug-macro.S
+++ b/arch/arm/plat-mxc/include/mach/debug-macro.S
@@ -44,6 +44,14 @@
 #define UART_PADDR      MX51_UART1_BASE_ADDR
 #endif
+/* iMX50/53 have same addresses, but not iMX51 */
+#if defined(CONFIG_SOC_IMX50) || defined(CONFIG_SOC_IMX53)
+#ifdef UART_PADDR
+#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
+#endif
+#define UART_PADDR      MX53_UART1_BASE_ADDR
+#endif
 #define UART_VADDR      IMX_IO_ADDRESS(UART_PADDR)
                .macro  addruart, rp, rv
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx53.h b/arch/arm/plat-mxc/include/mach/iomux-mx53.h
index 9440b9e00e89..5408fd1fc736 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx53.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx53.h
@@ -30,6 +30,9 @@
 #define MX53_SDHC_PAD_CTRL      (PAD_CTL_HYS | PAD_CTL_PKE | PAD_CTL_PUE | \
                                PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_HIGH | \
                                PAD_CTL_SRE_FAST)
+#define PAD_CTRL_I2C    (PAD_CTL_SRE_FAST | PAD_CTL_ODE | PAD_CTL_PKE | \
+                        PAD_CTL_PUE | PAD_CTL_DSE_HIGH | PAD_CTL_PUS_100K_UP \
+                        | PAD_CTL_HYS)
 #define _MX53_PAD_GPIO_19__KPP_COL_5            IOMUX_PAD(0x348, 0x20, 0, 0x840, 0, 0)
 #define _MX53_PAD_GPIO_19__GPIO4_5              IOMUX_PAD(0x348, 0x20, 1, 0x0, 0, 0)
@@ -1256,7 +1259,7 @@
 #define MX53_PAD_KEY_COL3__GPIO4_12             (_MX53_PAD_KEY_COL3__GPIO4_12 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_KEY_COL3__USBOH3_H2_DP         (_MX53_PAD_KEY_COL3__USBOH3_H2_DP | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_KEY_COL3__SPDIF_IN1            (_MX53_PAD_KEY_COL3__SPDIF_IN1 | MUX_PAD_CTRL(NO_PAD_CTRL))
-#define MX53_PAD_KEY_COL3__I2C2_SCL             (_MX53_PAD_KEY_COL3__I2C2_SCL | MUX_PAD_CTRL(NO_PAD_CTRL))
+#define MX53_PAD_KEY_COL3__I2C2_SCL             (_MX53_PAD_KEY_COL3__I2C2_SCL | MUX_PAD_CTRL(PAD_CTRL_I2C))
 #define MX53_PAD_KEY_COL3__ECSPI1_SS3           (_MX53_PAD_KEY_COL3__ECSPI1_SS3 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_KEY_COL3__FEC_CRS              (_MX53_PAD_KEY_COL3__FEC_CRS | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_KEY_COL3__USBPHY1_SIECLOCK             (_MX53_PAD_KEY_COL3__USBPHY1_SIECLOCK | MUX_PAD_CTRL(NO_PAD_CTRL))
@@ -1264,7 +1267,7 @@
 #define MX53_PAD_KEY_ROW3__GPIO4_13             (_MX53_PAD_KEY_ROW3__GPIO4_13 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_KEY_ROW3__USBOH3_H2_DM         (_MX53_PAD_KEY_ROW3__USBOH3_H2_DM | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_KEY_ROW3__CCM_ASRC_EXT_CLK             (_MX53_PAD_KEY_ROW3__CCM_ASRC_EXT_CLK | MUX_PAD_CTRL(NO_PAD_CTRL))
-#define MX53_PAD_KEY_ROW3__I2C2_SDA             (_MX53_PAD_KEY_ROW3__I2C2_SDA | MUX_PAD_CTRL(NO_PAD_CTRL))
+#define MX53_PAD_KEY_ROW3__I2C2_SDA             (_MX53_PAD_KEY_ROW3__I2C2_SDA | MUX_PAD_CTRL(PAD_CTRL_I2C))
 #define MX53_PAD_KEY_ROW3__OSC32K_32K_OUT               (_MX53_PAD_KEY_ROW3__OSC32K_32K_OUT | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_KEY_ROW3__CCM_PLL4_BYP         (_MX53_PAD_KEY_ROW3__CCM_PLL4_BYP | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_KEY_ROW3__USBPHY1_LINESTATE_0          (_MX53_PAD_KEY_ROW3__USBPHY1_LINESTATE_0 | MUX_PAD_CTRL(NO_PAD_CTRL))
@@ -1536,7 +1539,7 @@
 #define MX53_PAD_CSI0_DAT8__KPP_COL_7           (_MX53_PAD_CSI0_DAT8__KPP_COL_7 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_CSI0_DAT8__ECSPI2_SCLK         (_MX53_PAD_CSI0_DAT8__ECSPI2_SCLK | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_CSI0_DAT8__USBOH3_USBH3_OC             (_MX53_PAD_CSI0_DAT8__USBOH3_USBH3_OC | MUX_PAD_CTRL(NO_PAD_CTRL))
-#define MX53_PAD_CSI0_DAT8__I2C1_SDA            (_MX53_PAD_CSI0_DAT8__I2C1_SDA | MUX_PAD_CTRL(NO_PAD_CTRL))
+#define MX53_PAD_CSI0_DAT8__I2C1_SDA            (_MX53_PAD_CSI0_DAT8__I2C1_SDA | MUX_PAD_CTRL(PAD_CTRL_I2C))
 #define MX53_PAD_CSI0_DAT8__EMI_EMI_DEBUG_37            (_MX53_PAD_CSI0_DAT8__EMI_EMI_DEBUG_37 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_CSI0_DAT8__TPIU_TRACE_5                (_MX53_PAD_CSI0_DAT8__TPIU_TRACE_5 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_CSI0_DAT9__IPU_CSI0_D_9                (_MX53_PAD_CSI0_DAT9__IPU_CSI0_D_9 | MUX_PAD_CTRL(NO_PAD_CTRL))
@@ -1544,7 +1547,7 @@
 #define MX53_PAD_CSI0_DAT9__KPP_ROW_7           (_MX53_PAD_CSI0_DAT9__KPP_ROW_7 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_CSI0_DAT9__ECSPI2_MOSI         (_MX53_PAD_CSI0_DAT9__ECSPI2_MOSI | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_CSI0_DAT9__USBOH3_USBH3_PWR            (_MX53_PAD_CSI0_DAT9__USBOH3_USBH3_PWR | MUX_PAD_CTRL(NO_PAD_CTRL))
-#define MX53_PAD_CSI0_DAT9__I2C1_SCL            (_MX53_PAD_CSI0_DAT9__I2C1_SCL | MUX_PAD_CTRL(NO_PAD_CTRL))
+#define MX53_PAD_CSI0_DAT9__I2C1_SCL            (_MX53_PAD_CSI0_DAT9__I2C1_SCL | MUX_PAD_CTRL(PAD_CTRL_I2C))
 #define MX53_PAD_CSI0_DAT9__EMI_EMI_DEBUG_38            (_MX53_PAD_CSI0_DAT9__EMI_EMI_DEBUG_38 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_CSI0_DAT9__TPIU_TRACE_6                (_MX53_PAD_CSI0_DAT9__TPIU_TRACE_6 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_CSI0_DAT10__IPU_CSI0_D_10              (_MX53_PAD_CSI0_DAT10__IPU_CSI0_D_10 | MUX_PAD_CTRL(NO_PAD_CTRL))
@@ -1631,25 +1634,25 @@
 #define MX53_PAD_EIM_EB2__CCM_DI1_EXT_CLK               (_MX53_PAD_EIM_EB2__CCM_DI1_EXT_CLK | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_EB2__IPU_SER_DISP1_CS              (_MX53_PAD_EIM_EB2__IPU_SER_DISP1_CS | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_EB2__ECSPI1_SS0            (_MX53_PAD_EIM_EB2__ECSPI1_SS0 | MUX_PAD_CTRL(NO_PAD_CTRL))
-#define MX53_PAD_EIM_EB2__I2C2_SCL              (_MX53_PAD_EIM_EB2__I2C2_SCL | MUX_PAD_CTRL(NO_PAD_CTRL))
+#define MX53_PAD_EIM_EB2__I2C2_SCL              (_MX53_PAD_EIM_EB2__I2C2_SCL | MUX_PAD_CTRL(PAD_CTRL_I2C))
 #define MX53_PAD_EIM_D16__EMI_WEIM_D_16         (_MX53_PAD_EIM_D16__EMI_WEIM_D_16 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_D16__GPIO3_16              (_MX53_PAD_EIM_D16__GPIO3_16 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_D16__IPU_DI0_PIN5          (_MX53_PAD_EIM_D16__IPU_DI0_PIN5 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_D16__IPU_DISPB1_SER_CLK            (_MX53_PAD_EIM_D16__IPU_DISPB1_SER_CLK | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_D16__ECSPI1_SCLK           (_MX53_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(NO_PAD_CTRL))
-#define MX53_PAD_EIM_D16__I2C2_SDA              (_MX53_PAD_EIM_D16__I2C2_SDA | MUX_PAD_CTRL(NO_PAD_CTRL))
+#define MX53_PAD_EIM_D16__I2C2_SDA              (_MX53_PAD_EIM_D16__I2C2_SDA | MUX_PAD_CTRL(PAD_CTRL_I2C))
 #define MX53_PAD_EIM_D17__EMI_WEIM_D_17         (_MX53_PAD_EIM_D17__EMI_WEIM_D_17 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_D17__GPIO3_17              (_MX53_PAD_EIM_D17__GPIO3_17 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_D17__IPU_DI0_PIN6          (_MX53_PAD_EIM_D17__IPU_DI0_PIN6 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_D17__IPU_DISPB1_SER_DIN            (_MX53_PAD_EIM_D17__IPU_DISPB1_SER_DIN | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_D17__ECSPI1_MISO           (_MX53_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(NO_PAD_CTRL))
-#define MX53_PAD_EIM_D17__I2C3_SCL              (_MX53_PAD_EIM_D17__I2C3_SCL | MUX_PAD_CTRL(NO_PAD_CTRL))
+#define MX53_PAD_EIM_D17__I2C3_SCL              (_MX53_PAD_EIM_D17__I2C3_SCL | MUX_PAD_CTRL(PAD_CTRL_I2C))
 #define MX53_PAD_EIM_D18__EMI_WEIM_D_18         (_MX53_PAD_EIM_D18__EMI_WEIM_D_18 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_D18__GPIO3_18              (_MX53_PAD_EIM_D18__GPIO3_18 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_D18__IPU_DI0_PIN7          (_MX53_PAD_EIM_D18__IPU_DI0_PIN7 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_D18__IPU_DISPB1_SER_DIO            (_MX53_PAD_EIM_D18__IPU_DISPB1_SER_DIO | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_D18__ECSPI1_MOSI           (_MX53_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(NO_PAD_CTRL))
-#define MX53_PAD_EIM_D18__I2C3_SDA              (_MX53_PAD_EIM_D18__I2C3_SDA | MUX_PAD_CTRL(NO_PAD_CTRL))
+#define MX53_PAD_EIM_D18__I2C3_SDA              (_MX53_PAD_EIM_D18__I2C3_SDA | MUX_PAD_CTRL(PAD_CTRL_I2C))
 #define MX53_PAD_EIM_D18__IPU_DI1_D0_CS         (_MX53_PAD_EIM_D18__IPU_DI1_D0_CS | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_D19__EMI_WEIM_D_19         (_MX53_PAD_EIM_D19__EMI_WEIM_D_19 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_D19__GPIO3_19              (_MX53_PAD_EIM_D19__GPIO3_19 | MUX_PAD_CTRL(NO_PAD_CTRL))
@@ -1672,7 +1675,7 @@
 #define MX53_PAD_EIM_D21__IPU_DI0_PIN17         (_MX53_PAD_EIM_D21__IPU_DI0_PIN17 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_D21__IPU_DISPB0_SER_CLK            (_MX53_PAD_EIM_D21__IPU_DISPB0_SER_CLK | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_D21__CSPI_SCLK             (_MX53_PAD_EIM_D21__CSPI_SCLK | MUX_PAD_CTRL(NO_PAD_CTRL))
-#define MX53_PAD_EIM_D21__I2C1_SCL              (_MX53_PAD_EIM_D21__I2C1_SCL | MUX_PAD_CTRL(NO_PAD_CTRL))
+#define MX53_PAD_EIM_D21__I2C1_SCL              (_MX53_PAD_EIM_D21__I2C1_SCL | MUX_PAD_CTRL(PAD_CTRL_I2C))
 #define MX53_PAD_EIM_D21__USBOH3_USBOTG_OC              (_MX53_PAD_EIM_D21__USBOH3_USBOTG_OC | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_D22__EMI_WEIM_D_22         (_MX53_PAD_EIM_D22__EMI_WEIM_D_22 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_D22__GPIO3_22              (_MX53_PAD_EIM_D22__GPIO3_22 | MUX_PAD_CTRL(NO_PAD_CTRL))
@@ -1732,7 +1735,7 @@
 #define MX53_PAD_EIM_D28__UART2_CTS             (_MX53_PAD_EIM_D28__UART2_CTS | MUX_PAD_CTRL(MX53_UART_PAD_CTRL))
 #define MX53_PAD_EIM_D28__IPU_DISPB0_SER_DIO            (_MX53_PAD_EIM_D28__IPU_DISPB0_SER_DIO | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_D28__CSPI_MOSI             (_MX53_PAD_EIM_D28__CSPI_MOSI | MUX_PAD_CTRL(NO_PAD_CTRL))
-#define MX53_PAD_EIM_D28__I2C1_SDA              (_MX53_PAD_EIM_D28__I2C1_SDA | MUX_PAD_CTRL(NO_PAD_CTRL))
+#define MX53_PAD_EIM_D28__I2C1_SDA              (_MX53_PAD_EIM_D28__I2C1_SDA | MUX_PAD_CTRL(PAD_CTRL_I2C))
 #define MX53_PAD_EIM_D28__IPU_EXT_TRIG          (_MX53_PAD_EIM_D28__IPU_EXT_TRIG | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_D28__IPU_DI0_PIN13         (_MX53_PAD_EIM_D28__IPU_DI0_PIN13 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_EIM_D29__EMI_WEIM_D_29         (_MX53_PAD_EIM_D29__EMI_WEIM_D_29 | MUX_PAD_CTRL(NO_PAD_CTRL))
@@ -2297,7 +2300,7 @@
 #define MX53_PAD_GPIO_9__SCC_FAIL_STATE         (_MX53_PAD_GPIO_9__SCC_FAIL_STATE | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_GPIO_3__ESAI1_HCKR             (_MX53_PAD_GPIO_3__ESAI1_HCKR | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_GPIO_3__GPIO1_3                (_MX53_PAD_GPIO_3__GPIO1_3 | MUX_PAD_CTRL(NO_PAD_CTRL))
-#define MX53_PAD_GPIO_3__I2C3_SCL               (_MX53_PAD_GPIO_3__I2C3_SCL | MUX_PAD_CTRL(NO_PAD_CTRL))
+#define MX53_PAD_GPIO_3__I2C3_SCL               (_MX53_PAD_GPIO_3__I2C3_SCL | MUX_PAD_CTRL(PAD_CTRL_I2C))
 #define MX53_PAD_GPIO_3__DPLLIP1_TOG_EN         (_MX53_PAD_GPIO_3__DPLLIP1_TOG_EN | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_GPIO_3__CCM_CLKO2              (_MX53_PAD_GPIO_3__CCM_CLKO2 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_GPIO_3__OBSERVE_MUX_OBSRV_INT_OUT0             (_MX53_PAD_GPIO_3__OBSERVE_MUX_OBSRV_INT_OUT0 | MUX_PAD_CTRL(NO_PAD_CTRL))
@@ -2305,7 +2308,7 @@
 #define MX53_PAD_GPIO_3__MLB_MLBCLK             (_MX53_PAD_GPIO_3__MLB_MLBCLK | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_GPIO_6__ESAI1_SCKT             (_MX53_PAD_GPIO_6__ESAI1_SCKT | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_GPIO_6__GPIO1_6                (_MX53_PAD_GPIO_6__GPIO1_6 | MUX_PAD_CTRL(NO_PAD_CTRL))
-#define MX53_PAD_GPIO_6__I2C3_SDA               (_MX53_PAD_GPIO_6__I2C3_SDA | MUX_PAD_CTRL(NO_PAD_CTRL))
+#define MX53_PAD_GPIO_6__I2C3_SDA               (_MX53_PAD_GPIO_6__I2C3_SDA | MUX_PAD_CTRL(PAD_CTRL_I2C))
 #define MX53_PAD_GPIO_6__CCM_CCM_OUT_0          (_MX53_PAD_GPIO_6__CCM_CCM_OUT_0 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_GPIO_6__CSU_CSU_INT_DEB                (_MX53_PAD_GPIO_6__CSU_CSU_INT_DEB | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_GPIO_6__OBSERVE_MUX_OBSRV_INT_OUT1             (_MX53_PAD_GPIO_6__OBSERVE_MUX_OBSRV_INT_OUT1 | MUX_PAD_CTRL(NO_PAD_CTRL))
@@ -2333,7 +2336,7 @@
 #define MX53_PAD_GPIO_5__CCM_CLKO               (_MX53_PAD_GPIO_5__CCM_CLKO | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_GPIO_5__CSU_CSU_ALARM_AUT_2            (_MX53_PAD_GPIO_5__CSU_CSU_ALARM_AUT_2 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_GPIO_5__OBSERVE_MUX_OBSRV_INT_OUT4             (_MX53_PAD_GPIO_5__OBSERVE_MUX_OBSRV_INT_OUT4 | MUX_PAD_CTRL(NO_PAD_CTRL))
-#define MX53_PAD_GPIO_5__I2C3_SCL               (_MX53_PAD_GPIO_5__I2C3_SCL | MUX_PAD_CTRL(NO_PAD_CTRL))
+#define MX53_PAD_GPIO_5__I2C3_SCL               (_MX53_PAD_GPIO_5__I2C3_SCL | MUX_PAD_CTRL(PAD_CTRL_I2C))
 #define MX53_PAD_GPIO_5__CCM_PLL1_BYP           (_MX53_PAD_GPIO_5__CCM_PLL1_BYP | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_GPIO_7__ESAI1_TX4_RX1          (_MX53_PAD_GPIO_7__ESAI1_TX4_RX1 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_GPIO_7__GPIO1_7                (_MX53_PAD_GPIO_7__GPIO1_7 | MUX_PAD_CTRL(NO_PAD_CTRL))
@@ -2356,7 +2359,7 @@
 #define MX53_PAD_GPIO_16__TZIC_PWRFAIL_INT              (_MX53_PAD_GPIO_16__TZIC_PWRFAIL_INT | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_GPIO_16__RTC_CE_RTC_EXT_TRIG1          (_MX53_PAD_GPIO_16__RTC_CE_RTC_EXT_TRIG1 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_GPIO_16__SPDIF_IN1             (_MX53_PAD_GPIO_16__SPDIF_IN1 | MUX_PAD_CTRL(NO_PAD_CTRL))
-#define MX53_PAD_GPIO_16__I2C3_SDA              (_MX53_PAD_GPIO_16__I2C3_SDA | MUX_PAD_CTRL(NO_PAD_CTRL))
+#define MX53_PAD_GPIO_16__I2C3_SDA              (_MX53_PAD_GPIO_16__I2C3_SDA | MUX_PAD_CTRL(PAD_CTRL_I2C))
 #define MX53_PAD_GPIO_16__SJC_DE_B              (_MX53_PAD_GPIO_16__SJC_DE_B | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_GPIO_17__ESAI1_TX0             (_MX53_PAD_GPIO_17__ESAI1_TX0 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define MX53_PAD_GPIO_17__GPIO7_12              (_MX53_PAD_GPIO_17__GPIO7_12 | MUX_PAD_CTRL(NO_PAD_CTRL))
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index 6e6735f04ee3..bb8f4a6b3e37 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -13,6 +13,7 @@ config ARCH_OMAP1
        bool "TI OMAP1"
        select CLKDEV_LOOKUP
        select CLKSRC_MMIO
+        select GENERIC_IRQ_CHIP
        help
          "Systems based on omap7xx, omap15xx or omap16xx"
diff --git a/arch/arm/plat-omap/include/plat/dma.h b/arch/arm/plat-omap/include/plat/dma.h
index d1c916fcf770..dc562a5c0a8a 100644
--- a/arch/arm/plat-omap/include/plat/dma.h
+++ b/arch/arm/plat-omap/include/plat/dma.h
@@ -195,6 +195,11 @@
 #define OMAP36XX_DMA_UART4_TX           81      /* S_DMA_80 */
 #define OMAP36XX_DMA_UART4_RX           82      /* S_DMA_81 */
+/* Only for AM35xx */
+#define AM35XX_DMA_UART4_TX             54
+#define AM35XX_DMA_UART4_RX             55
 /*----------------------------------------------------------------------------*/
 #define OMAP1_DMA_TOUT_IRQ              (1 << 0)
diff --git a/arch/arm/plat-omap/include/plat/irqs.h b/arch/arm/plat-omap/include/plat/irqs.h
index 926d25c780f3..30e10719b774 100644
--- a/arch/arm/plat-omap/include/plat/irqs.h
+++ b/arch/arm/plat-omap/include/plat/irqs.h
@@ -357,6 +357,7 @@
 #define INT_35XX_EMAC_C0_TX_PULSE_IRQ   69
 #define INT_35XX_EMAC_C0_MISC_PULSE_IRQ 70
 #define INT_35XX_USBOTG_IRQ             71
+#define INT_35XX_UART4                  84
 #define INT_35XX_CCDC_VD0_IRQ           88
 #define INT_35XX_CCDC_VD1_IRQ           92
 #define INT_35XX_CCDC_VD2_IRQ           93
diff --git a/arch/arm/plat-omap/include/plat/serial.h b/arch/arm/plat-omap/include/plat/serial.h
index 2723f9166ea2..de3b10c18127 100644
--- a/arch/arm/plat-omap/include/plat/serial.h
+++ b/arch/arm/plat-omap/include/plat/serial.h
@@ -56,6 +56,9 @@
 #define TI816X_UART2_BASE       0x48022000
 #define TI816X_UART3_BASE       0x48024000
+/* AM3505/3517 UART4 */
+#define AM35XX_UART4_BASE       0x4809E000      /* Only on AM3505/3517 */
 /* External port on Zoom2/3 */
 #define ZOOM_UART_BASE          0x10000000
 #define ZOOM_UART_VIRT          0xfa400000
diff --git a/arch/arm/plat-omap/iovmm.c b/arch/arm/plat-omap/iovmm.c
index c60737c49a32..79e7fedb8602 100644
--- a/arch/arm/plat-omap/iovmm.c
+++ b/arch/arm/plat-omap/iovmm.c
@@ -423,9 +423,6 @@ static void sgtable_fill_kmalloc(struct sg_table *sgt, u32 pa, u32 da,
 {
        unsigned int i;
        struct scatterlist *sg;
-        void *va;
-        va = phys_to_virt(pa);
        for_each_sg(sgt->sgl, sg, sgt->nents, i) {
                unsigned bytes;
diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c
index b6b409744954..02609eee0562 100644
--- a/arch/arm/plat-omap/omap_device.c
+++ b/arch/arm/plat-omap/omap_device.c
@@ -615,6 +615,9 @@ static int _od_resume_noirq(struct device *dev)
        return pm_generic_resume_noirq(dev);
 }
+#else
+#define _od_suspend_noirq NULL
+#define _od_resume_noirq NULL
 #endif
 static struct dev_pm_domain omap_device_pm_domain = {
@@ -622,7 +625,8 @@ static struct dev_pm_domain omap_device_pm_domain = {
                SET_RUNTIME_PM_OPS(_od_runtime_suspend, _od_runtime_resume,
                                   _od_runtime_idle)
                USE_PLATFORM_PM_SLEEP_OPS
-                SET_SYSTEM_SLEEP_PM_OPS(_od_suspend_noirq, _od_resume_noirq)
+                .suspend_noirq = _od_suspend_noirq,
+                .resume_noirq = _od_resume_noirq,
        }
 };
diff --git a/arch/arm/plat-s5p/clock.c b/arch/arm/plat-s5p/clock.c
index 02af235298e2..5f84a3f13ef9 100644
--- a/arch/arm/plat-s5p/clock.c
+++ b/arch/arm/plat-s5p/clock.c
@@ -192,7 +192,7 @@ unsigned long s5p_spdif_get_rate(struct clk *clk)
        if (IS_ERR(pclk))
                return -EINVAL;
-        rate = pclk->ops->get_rate(clk);
+        rate = pclk->ops->get_rate(pclk);
        clk_put(pclk);
        return rate;
diff --git a/arch/arm/plat-s5p/irq-gpioint.c b/arch/arm/plat-s5p/irq-gpioint.c
index 327ab9f662e8..f88216d23991 100644
--- a/arch/arm/plat-s5p/irq-gpioint.c
+++ b/arch/arm/plat-s5p/irq-gpioint.c
@@ -23,6 +23,8 @@
 #include <plat/gpio-core.h>
 #include <plat/gpio-cfg.h>
+#include <asm/mach/irq.h>
 #define GPIO_BASE(chip)         (((unsigned long)(chip)->base) & 0xFFFFF000u)
 #define CON_OFFSET              0x700
@@ -81,6 +83,9 @@ static void s5p_gpioint_handler(unsigned int irq, struct irq_desc *desc)
        int group, pend_offset, mask_offset;
        unsigned int pend, mask;
+        struct irq_chip *chip = irq_get_chip(irq);
+        chained_irq_enter(chip, desc);
        for (group = 0; group < bank->nr_groups; group++) {
                struct s3c_gpio_chip *chip = bank->chips[group];
                if (!chip)
@@ -102,23 +107,25 @@ static void s5p_gpioint_handler(unsigned int irq, struct irq_desc *desc)
                        pend &= ~BIT(offset);
                }
        }
+        chained_irq_exit(chip, desc);
 }
 static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip)
 {
        static int used_gpioint_groups = 0;
        int group = chip->group;
-        struct s5p_gpioint_bank *bank = NULL;
+        struct s5p_gpioint_bank *b, *bank = NULL;
        struct irq_chip_generic *gc;
        struct irq_chip_type *ct;
        if (used_gpioint_groups >= S5P_GPIOINT_GROUP_COUNT)
                return -ENOMEM;
-        list_for_each_entry(bank, &banks, list) {
+        list_for_each_entry(b, &banks, list) {
-                if (group >= bank->start &&
+                if (group >= b->start && group < b->start + b->nr_groups) {
-                    group < bank->start + bank->nr_groups)
+                        bank = b;
                        break;
+                }
        }
        if (!bank)
                return -EINVAL;
diff --git a/arch/arm/plat-samsung/clock.c b/arch/arm/plat-samsung/clock.c
index 302c42670bd1..3b4451979d1b 100644
--- a/arch/arm/plat-samsung/clock.c
+++ b/arch/arm/plat-samsung/clock.c
@@ -64,6 +64,17 @@ static LIST_HEAD(clocks);
 */
 DEFINE_SPINLOCK(clocks_lock);
+/* Global watchdog clock used by arch_wtd_reset() callback */
+struct clk *s3c2410_wdtclk;
+static int __init s3c_wdt_reset_init(void)
+{
+        s3c2410_wdtclk = clk_get(NULL, "watchdog");
+        if (IS_ERR(s3c2410_wdtclk))
+                printk(KERN_WARNING "%s: warning: cannot get watchdog clock\n", __func__);
+        return 0;
+}
+arch_initcall(s3c_wdt_reset_init);
 /* enable and disable calls for use with the clk struct */
 static int clk_null_enable(struct clk *clk, int enable)
diff --git a/arch/arm/plat-samsung/include/plat/backlight.h b/arch/arm/plat-samsung/include/plat/backlight.h
index 51d8da846a62..ad530c78fe8c 100644
--- a/arch/arm/plat-samsung/include/plat/backlight.h
+++ b/arch/arm/plat-samsung/include/plat/backlight.h
@@ -20,7 +20,7 @@ struct samsung_bl_gpio_info {
        int func;
 };
-extern void samsung_bl_set(struct samsung_bl_gpio_info *gpio_info,
+extern void __init samsung_bl_set(struct samsung_bl_gpio_info *gpio_info,
        struct platform_pwm_backlight_data *bl_data);
 #endif /* __ASM_PLAT_BACKLIGHT_H */
diff --git a/arch/arm/plat-samsung/include/plat/clock.h b/arch/arm/plat-samsung/include/plat/clock.h
index 87d5b38a86fb..73c66d4d10fa 100644
--- a/arch/arm/plat-samsung/include/plat/clock.h
+++ b/arch/arm/plat-samsung/include/plat/clock.h
@@ -9,6 +9,9 @@
 * published by the Free Software Foundation.
 */
+#ifndef __ASM_PLAT_CLOCK_H
+#define __ASM_PLAT_CLOCK_H __FILE__
 #include <linux/spinlock.h>
 #include <linux/clkdev.h>
@@ -121,3 +124,8 @@ extern int s3c64xx_sclk_ctrl(struct clk *clk, int enable);
 extern void s3c_pwmclk_init(void);
+/* Global watchdog clock used by arch_wtd_reset() callback */
+extern struct clk *s3c2410_wdtclk;
+#endif /* __ASM_PLAT_CLOCK_H */
diff --git a/arch/arm/plat-samsung/include/plat/watchdog-reset.h b/arch/arm/plat-samsung/include/plat/watchdog-reset.h
index 54b762acb5a0..40dbb2b0ae22 100644
--- a/arch/arm/plat-samsung/include/plat/watchdog-reset.h
+++ b/arch/arm/plat-samsung/include/plat/watchdog-reset.h
@@ -10,6 +10,7 @@
 * published by the Free Software Foundation.
 */
+#include <plat/clock.h>
 #include <plat/regs-watchdog.h>
 #include <mach/map.h>
@@ -19,17 +20,12 @@
 static inline void arch_wdt_reset(void)
 {
-        struct clk *wdtclk;
        printk("arch_reset: attempting watchdog reset\n");
        __raw_writel(0, S3C2410_WTCON);   /* disable watchdog, to be safe  */
-        wdtclk = clk_get(NULL, "watchdog");
+        if (s3c2410_wdtclk)
-        if (!IS_ERR(wdtclk)) {
+                clk_enable(s3c2410_wdtclk);
-                clk_enable(wdtclk);
-        } else
-                printk(KERN_WARNING "%s: warning: cannot get watchdog clock\n", __func__);
        /* put initial values into count and data */
        __raw_writel(0x80, S3C2410_WTCNT);
diff --git a/arch/arm/plat-samsung/irq-vic-timer.c b/arch/arm/plat-samsung/irq-vic-timer.c
index f714d060370d..51583cd30164 100644
--- a/arch/arm/plat-samsung/irq-vic-timer.c
+++ b/arch/arm/plat-samsung/irq-vic-timer.c
@@ -22,9 +22,14 @@
 #include <plat/irq-vic-timer.h>
 #include <plat/regs-timer.h>
+#include <asm/mach/irq.h>
 static void s3c_irq_demux_vic_timer(unsigned int irq, struct irq_desc *desc)
 {
+        struct irq_chip *chip = irq_get_chip(irq);
+        chained_irq_enter(chip, desc);
        generic_handle_irq((int)desc->irq_data.handler_data);
+        chained_irq_exit(chip, desc);
 }
 /* We assume the IRQ_TIMER0..IRQ_TIMER4 range is continuous. */
diff --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types
index 3b3776d0a1a7..62cc8f981171 100644
--- a/arch/arm/tools/mach-types
+++ b/arch/arm/tools/mach-types
@@ -351,7 +351,7 @@ centro			MACH_CENTRO		CENTRO			1944
 nokia_rx51              MACH_NOKIA_RX51         NOKIA_RX51              1955
 omap_zoom2              MACH_OMAP_ZOOM2         OMAP_ZOOM2              1967
 cpuat9260               MACH_CPUAT9260          CPUAT9260               1973
-eukrea_cpuimx27         MACH_CPUIMX27           CPUIMX27                1975
+eukrea_cpuimx27         MACH_EUKREA_CPUIMX27    EUKREA_CPUIMX27         1975
 acs5k                   MACH_ACS5K              ACS5K                   1982
 snapper_9260            MACH_SNAPPER_9260       SNAPPER_9260            1987
 dsm320                  MACH_DSM320             DSM320                  1988
@@ -476,8 +476,8 @@ cns3420vb		MACH_CNS3420VB		CNS3420VB		2776
 omap4_panda             MACH_OMAP4_PANDA        OMAP4_PANDA             2791
 ti8168evm               MACH_TI8168EVM          TI8168EVM               2800
 teton_bga               MACH_TETON_BGA          TETON_BGA               2816
-eukrea_cpuimx25sd       MACH_EUKREA_CPUIMX25    EUKREA_CPUIMX25         2820
+eukrea_cpuimx25sd       MACH_EUKREA_CPUIMX25SD  EUKREA_CPUIMX25SD       2820
-eukrea_cpuimx35sd       MACH_EUKREA_CPUIMX35    EUKREA_CPUIMX35         2821
+eukrea_cpuimx35sd       MACH_EUKREA_CPUIMX35SD  EUKREA_CPUIMX35SD       2821
 eukrea_cpuimx51sd       MACH_EUKREA_CPUIMX51SD  EUKREA_CPUIMX51SD       2822
 eukrea_cpuimx51         MACH_EUKREA_CPUIMX51    EUKREA_CPUIMX51         2823
 smdkc210                MACH_SMDKC210           SMDKC210                2838
@@ -910,7 +910,7 @@ omapl138_case_a3	MACH_OMAPL138_CASE_A3	OMAPL138_CASE_A3	3280
 uemd                    MACH_UEMD               UEMD                    3281
 ccwmx51mut              MACH_CCWMX51MUT         CCWMX51MUT              3282
 rockhopper              MACH_ROCKHOPPER         ROCKHOPPER              3283
-nookcolor               MACH_NOOKCOLOR          NOOKCOLOR               3284
+encore                  MACH_ENCORE             ENCORE                  3284
 hkdkc100                MACH_HKDKC100           HKDKC100                3285
 ts42xx                  MACH_TS42XX             TS42XX                  3286
 aebl                    MACH_AEBL               AEBL                    3287
diff --git a/arch/avr32/kernel/syscall_table.S b/arch/avr32/kernel/syscall_table.S
index c7fd394d28a4..6eba53530d1c 100644
--- a/arch/avr32/kernel/syscall_table.S
+++ b/arch/avr32/kernel/syscall_table.S
@@ -158,7 +158,7 @@ sys_call_table:
        .long   sys_sched_rr_get_interval
        .long   sys_nanosleep
        .long   sys_poll
-        .long   sys_nfsservctl          /* 145 */
+        .long   sys_ni_syscall          /* 145 was nfsservctl */
        .long   sys_setresgid
        .long   sys_getresgid
        .long   sys_prctl
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index 225d311c9701..e4137297b790 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -1543,7 +1543,7 @@ ENTRY(_sys_call_table)
        .long _sys_ni_syscall   /* for vm86 */
        .long _sys_ni_syscall   /* old "query_module" */
        .long _sys_ni_syscall   /* sys_poll */
-        .long _sys_nfsservctl
+        .long _sys_ni_syscall   /* old nfsservctl */
        .long _sys_setresgid    /* setresgid16 */       /* 170 */
        .long _sys_getresgid    /* getresgid16 */
        .long _sys_prctl
diff --git a/arch/cris/arch-v10/kernel/entry.S b/arch/cris/arch-v10/kernel/entry.S
index 1161883eb582..592fbe9dfb62 100644
--- a/arch/cris/arch-v10/kernel/entry.S
+++ b/arch/cris/arch-v10/kernel/entry.S
@@ -771,7 +771,7 @@ sys_call_table:
        .long sys_ni_syscall    /* sys_vm86 */
        .long sys_ni_syscall    /* Old sys_query_module */
        .long sys_poll
-        .long sys_nfsservctl
+        .long sys_ni_syscall    /* old nfsservctl */
        .long sys_setresgid16   /* 170 */
        .long sys_getresgid16
        .long sys_prctl
diff --git a/arch/cris/arch-v32/kernel/entry.S b/arch/cris/arch-v32/kernel/entry.S
index 84fed7e91ada..c3ea4694fbaf 100644
--- a/arch/cris/arch-v32/kernel/entry.S
+++ b/arch/cris/arch-v32/kernel/entry.S
@@ -714,7 +714,7 @@ sys_call_table:
        .long sys_ni_syscall    /* sys_vm86 */
        .long sys_ni_syscall    /* Old sys_query_module */
        .long sys_poll
-        .long sys_nfsservctl
+        .long sys_ni_syscall    /* Old nfsservctl */
        .long sys_setresgid16   /* 170 */
        .long sys_getresgid16
        .long sys_prctl
diff --git a/arch/cris/include/asm/serial.h b/arch/cris/include/asm/serial.h
new file mode 100644
index 000000000000..af7535a955fb
--- /dev/null
+++ b/arch/cris/include/asm/serial.h
@@ -0,0 +1,9 @@
+#ifndef _ASM_SERIAL_H
+#define _ASM_SERIAL_H
+/*
+ * This assumes you have a 1.8432 MHz clock for your UART.
+ */
+#define BASE_BAUD (1843200 / 16)
+#endif /* _ASM_SERIAL_H */
diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S
index 017d6d7b784f..5ba23f715ea5 100644
--- a/arch/frv/kernel/entry.S
+++ b/arch/frv/kernel/entry.S
@@ -1358,7 +1358,7 @@ sys_call_table:
        .long sys_ni_syscall    /* for vm86 */
        .long sys_ni_syscall    /* Old sys_query_module */
        .long sys_poll
-        .long sys_nfsservctl
+        .long sys_ni_syscall    /* Old nfsservctl */
        .long sys_setresgid16   /* 170 */
        .long sys_getresgid16
        .long sys_prctl
diff --git a/arch/h8300/kernel/syscalls.S b/arch/h8300/kernel/syscalls.S
index f4b2e67bcc34..4be2ea2fbe26 100644
--- a/arch/h8300/kernel/syscalls.S
+++ b/arch/h8300/kernel/syscalls.S
@@ -183,7 +183,7 @@ SYMBOL_NAME_LABEL(sys_call_table)
        .long SYMBOL_NAME(sys_ni_syscall)       /* for vm86 */
        .long SYMBOL_NAME(sys_ni_syscall)       /* sys_query_module */
        .long SYMBOL_NAME(sys_poll)
-        .long SYMBOL_NAME(sys_nfsservctl)
+        .long SYMBOL_NAME(sys_ni_syscall)       /* old nfsservctl */
        .long SYMBOL_NAME(sys_setresgid16)      /* 170 */
        .long SYMBOL_NAME(sys_getresgid16)
        .long SYMBOL_NAME(sys_prctl)
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 124854714958..3ff7785b3beb 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -162,7 +162,6 @@ config IA64_GENERIC
        select ACPI_NUMA
        select SWIOTLB
        select PCI_MSI
-        select DMAR
        help
          This selects the system type of your hardware.  A "generic" kernel
          will run on any supported IA-64 system.  However, if you configure
diff --git a/arch/ia64/configs/generic_defconfig b/arch/ia64/configs/generic_defconfig
index 1d7bca0a396d..0e5cd1405e0e 100644
--- a/arch/ia64/configs/generic_defconfig
+++ b/arch/ia64/configs/generic_defconfig
@@ -234,3 +234,4 @@ CONFIG_CRYPTO_MD5=y
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRC_T10DIF=y
 CONFIG_MISC_DEVICES=y
+CONFIG_DMAR=y
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 97dd2abdeb1a..198c753d1006 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1614,7 +1614,7 @@ sys_call_table:
        data8 sys_sched_get_priority_min
        data8 sys_sched_rr_get_interval
        data8 sys_nanosleep
-        data8 sys_nfsservctl
+        data8 sys_ni_syscall                    // old nfsservctl
        data8 sys_prctl                         // 1170
        data8 sys_getpagesize
        data8 sys_mmap2
diff --git a/arch/m32r/kernel/syscall_table.S b/arch/m32r/kernel/syscall_table.S
index 528f2e6ad064..f365c19795ef 100644
--- a/arch/m32r/kernel/syscall_table.S
+++ b/arch/m32r/kernel/syscall_table.S
@@ -168,7 +168,7 @@ ENTRY(sys_call_table)
        .long sys_tas                   /* vm86 syscall holder */
        .long sys_ni_syscall            /* query_module syscall holder */
        .long sys_poll
-        .long sys_nfsservctl
+        .long sys_ni_syscall            /* was nfsservctl */
        .long sys_setresgid             /* 170 */
        .long sys_getresgid
        .long sys_prctl
diff --git a/arch/m68k/include/asm/page_mm.h b/arch/m68k/include/asm/page_mm.h
index 31d5570d6567..89f201434b5a 100644
--- a/arch/m68k/include/asm/page_mm.h
+++ b/arch/m68k/include/asm/page_mm.h
@@ -162,7 +162,7 @@ static inline __attribute_const__ int __virt_to_node_shift(void)
        pgdat->node_mem_map + (__pfn - pgdat->node_start_pfn);          \
 })
 #define page_to_pfn(_page) ({                                           \
-        struct page *__p = (_page);                                     \
+        const struct page *__p = (_page);                               \
        struct pglist_data *pgdat;                                      \
        pgdat = &pg_data_map[page_to_nid(__p)];                         \
        ((__p) - pgdat->node_mem_map) + pgdat->node_start_pfn;          \
diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S
index 00d1452f9571..c468f2edaa85 100644
--- a/arch/m68k/kernel/syscalltable.S
+++ b/arch/m68k/kernel/syscalltable.S
@@ -189,7 +189,7 @@ ENTRY(sys_call_table)
        .long sys_getpagesize
        .long sys_ni_syscall            /* old "query_module" */
        .long sys_poll
-        .long sys_nfsservctl
+        .long sys_ni_syscall            /* old nfsservctl */
        .long sys_setresgid16           /* 170 */
        .long sys_getresgid16
        .long sys_prctl
diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S
index d915a122c865..8789daa2a346 100644
--- a/arch/microblaze/kernel/syscall_table.S
+++ b/arch/microblaze/kernel/syscall_table.S
@@ -173,7 +173,7 @@ ENTRY(sys_call_table)
        .long sys_ni_syscall            /* sys_vm86 */
        .long sys_ni_syscall            /* Old sys_query_module */
        .long sys_poll
-        .long sys_nfsservctl
+        .long sys_ni_syscall            /* old nfsservctl */
        .long sys_setresgid             /* 170 */
        .long sys_getresgid
        .long sys_prctl
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 177cdaf83564..b122adc8bdbb 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -24,6 +24,7 @@ config MIPS
        select GENERIC_IRQ_PROBE
        select GENERIC_IRQ_SHOW
        select HAVE_ARCH_JUMP_LABEL
+        select IRQ_FORCED_THREADING
 menu "Machine selection"
@@ -722,6 +723,7 @@ config CAVIUM_OCTEON_SIMULATOR
        select SYS_SUPPORTS_HIGHMEM
        select SYS_SUPPORTS_HOTPLUG_CPU
        select SYS_HAS_CPU_CAVIUM_OCTEON
+        select HOLES_IN_ZONE
        help
          The Octeon simulator is software performance model of the Cavium
          Octeon Processor. It supports simulating Octeon processors on x86
@@ -744,6 +746,7 @@ config CAVIUM_OCTEON_REFERENCE_BOARD
        select ZONE_DMA32
        select USB_ARCH_HAS_OHCI
        select USB_ARCH_HAS_EHCI
+        select HOLES_IN_ZONE
        help
          This option supports all of the Octeon reference boards from Cavium
          Networks. It builds a kernel that dynamically determines the Octeon
@@ -973,6 +976,9 @@ config ISA_DMA_API
 config GENERIC_GPIO
        bool
+config HOLES_IN_ZONE
+        bool
 #
 # Endianess selection.  Sufficiently obscure so many users don't know what to
 # answer,so we try hard to limit the available choices.  Also the use of a
diff --git a/arch/mips/alchemy/common/platform.c b/arch/mips/alchemy/common/platform.c
index 3b2c18b14341..f72c48d4804c 100644
--- a/arch/mips/alchemy/common/platform.c
+++ b/arch/mips/alchemy/common/platform.c
@@ -492,7 +492,7 @@ static void __init alchemy_setup_macs(int ctype)
                memcpy(au1xxx_eth0_platform_data.mac, ethaddr, 6);
        ret = platform_device_register(&au1xxx_eth0_device);
-        if (!ret)
+        if (ret)
                printk(KERN_INFO "Alchemy: failed to register MAC0\n");
diff --git a/arch/mips/alchemy/common/power.c b/arch/mips/alchemy/common/power.c
index 647e518c90bc..b86324a42601 100644
--- a/arch/mips/alchemy/common/power.c
+++ b/arch/mips/alchemy/common/power.c
@@ -158,15 +158,21 @@ static void restore_core_regs(void)
 void au_sleep(void)
 {
-        int cpuid = alchemy_get_cputype();
+        save_core_regs();
-        if (cpuid != ALCHEMY_CPU_UNKNOWN) {
-                save_core_regs();
+        switch (alchemy_get_cputype()) {
-                if (cpuid <= ALCHEMY_CPU_AU1500)
+        case ALCHEMY_CPU_AU1000:
-                        alchemy_sleep_au1000();
+        case ALCHEMY_CPU_AU1500:
-                else if (cpuid <= ALCHEMY_CPU_AU1200)
+        case ALCHEMY_CPU_AU1100:
-                        alchemy_sleep_au1550();
+                alchemy_sleep_au1000();
-                restore_core_regs();
+                break;
+        case ALCHEMY_CPU_AU1550:
+        case ALCHEMY_CPU_AU1200:
+                alchemy_sleep_au1550();
+                break;
        }
+        restore_core_regs();
 }
 #endif  /* CONFIG_PM */
diff --git a/arch/mips/alchemy/devboards/bcsr.c b/arch/mips/alchemy/devboards/bcsr.c
index 596ad00e7f05..463d2c4d9441 100644
--- a/arch/mips/alchemy/devboards/bcsr.c
+++ b/arch/mips/alchemy/devboards/bcsr.c
@@ -89,8 +89,12 @@ static void bcsr_csc_handler(unsigned int irq, struct irq_desc *d)
 {
        unsigned short bisr = __raw_readw(bcsr_virt + BCSR_REG_INTSTAT);
+        disable_irq_nosync(irq);
        for ( ; bisr; bisr &= bisr - 1)
                generic_handle_irq(bcsr_csc_base + __ffs(bisr));
+        enable_irq(irq);
 }
 /* NOTE: both the enable and mask bits must be cleared, otherwise the
diff --git a/arch/mips/alchemy/devboards/db1200/setup.c b/arch/mips/alchemy/devboards/db1200/setup.c
index 1dac4f27d334..4a8980027ecf 100644
--- a/arch/mips/alchemy/devboards/db1200/setup.c
+++ b/arch/mips/alchemy/devboards/db1200/setup.c
@@ -23,13 +23,6 @@ void __init board_setup(void)
        unsigned long freq0, clksrc, div, pfc;
        unsigned short whoami;
-        /* Set Config[OD] (disable overlapping bus transaction):
-         * This gets rid of a _lot_ of spurious interrupts (especially
-         * wrt. IDE); but incurs ~10% performance hit in some
-         * cpu-bound applications.
-         */
-        set_c0_config(1 << 19);
        bcsr_init(DB1200_BCSR_PHYS_ADDR,
                  DB1200_BCSR_PHYS_ADDR + DB1200_BCSR_HEXLED_OFS);
diff --git a/arch/mips/ar7/irq.c b/arch/mips/ar7/irq.c
index 03db3daadbd8..88c4babfdb5d 100644
--- a/arch/mips/ar7/irq.c
+++ b/arch/mips/ar7/irq.c
@@ -98,7 +98,8 @@ static struct irq_chip ar7_sec_irq_type = {
 static struct irqaction ar7_cascade_action = {
        .handler = no_action,
-        .name = "AR7 cascade interrupt"
+        .name = "AR7 cascade interrupt",
+        .flags = IRQF_NO_THREAD,
 };
 static void __init ar7_irq_init(int base)
diff --git a/arch/mips/bcm63xx/irq.c b/arch/mips/bcm63xx/irq.c
index cea6021cb8d7..162e11b4ed75 100644
--- a/arch/mips/bcm63xx/irq.c
+++ b/arch/mips/bcm63xx/irq.c
@@ -222,6 +222,7 @@ static struct irq_chip bcm63xx_external_irq_chip = {
 static struct irqaction cpu_ip2_cascade_action = {
        .handler        = no_action,
        .name           = "cascade_ip2",
+        .flags          = IRQF_NO_THREAD,
 };
 void __init arch_init_irq(void)
diff --git a/arch/mips/cobalt/irq.c b/arch/mips/cobalt/irq.c
index cb9bf820fe53..965c777d3561 100644
--- a/arch/mips/cobalt/irq.c
+++ b/arch/mips/cobalt/irq.c
@@ -48,6 +48,7 @@ asmlinkage void plat_irq_dispatch(void)
 static struct irqaction cascade = {
        .handler        = no_action,
        .name           = "cascade",
+        .flags          = IRQF_NO_THREAD,
 };
 void __init arch_init_irq(void)
diff --git a/arch/mips/dec/setup.c b/arch/mips/dec/setup.c
index fa45e924be05..f7b7ba6d5c45 100644
--- a/arch/mips/dec/setup.c
+++ b/arch/mips/dec/setup.c
@@ -101,20 +101,24 @@ int cpu_fpu_mask = DEC_CPU_IRQ_MASK(DEC_CPU_INR_FPU);
 static struct irqaction ioirq = {
        .handler = no_action,
        .name = "cascade",
+        .flags = IRQF_NO_THREAD,
 };
 static struct irqaction fpuirq = {
        .handler = no_action,
        .name = "fpu",
+        .flags = IRQF_NO_THREAD,
 };
 static struct irqaction busirq = {
        .flags = IRQF_DISABLED,
        .name = "bus error",
+        .flags = IRQF_NO_THREAD,
 };
 static struct irqaction haltirq = {
        .handler = dec_intr_halt,
        .name = "halt",
+        .flags = IRQF_NO_THREAD,
 };
diff --git a/arch/mips/emma/markeins/irq.c b/arch/mips/emma/markeins/irq.c
index 3dbd7a5a6ad3..7798887a1288 100644
--- a/arch/mips/emma/markeins/irq.c
+++ b/arch/mips/emma/markeins/irq.c
@@ -169,7 +169,7 @@ void emma2rh_gpio_irq_init(void)
 static struct irqaction irq_cascade = {
           .handler = no_action,
-           .flags = 0,
+           .flags = IRQF_NO_THREAD,
           .name = "cascade",
           .dev_id = NULL,
           .next = NULL,
diff --git a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h
index 0d5a42b5f47a..a58addb98cfd 100644
--- a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h
@@ -54,7 +54,6 @@
 #define cpu_has_mips_r2_exec_hazard 0
 #define cpu_has_dsp             0
 #define cpu_has_mipsmt          0
-#define cpu_has_userlocal       0
 #define cpu_has_vint            0
 #define cpu_has_veic            0
 #define cpu_hwrena_impl_bits    0xc0000000
diff --git a/arch/mips/include/asm/mach-powertv/dma-coherence.h b/arch/mips/include/asm/mach-powertv/dma-coherence.h
index 62c094085947..35371641575d 100644
--- a/arch/mips/include/asm/mach-powertv/dma-coherence.h
+++ b/arch/mips/include/asm/mach-powertv/dma-coherence.h
@@ -13,7 +13,6 @@
 #define __ASM_MACH_POWERTV_DMA_COHERENCE_H
 #include <linux/sched.h>
-#include <linux/version.h>
 #include <linux/device.h>
 #include <asm/mach-powertv/asic.h>
diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h
index b4ba2449444b..cb41af5f3406 100644
--- a/arch/mips/include/asm/stackframe.h
+++ b/arch/mips/include/asm/stackframe.h
@@ -195,9 +195,9 @@
                 * to cover the pipeline delay.
                 */
                .set    mips32
-                mfc0    v1, CP0_TCSTATUS
+                mfc0    k0, CP0_TCSTATUS
                .set    mips0
-                LONG_S  v1, PT_TCSTATUS(sp)
+                LONG_S  k0, PT_TCSTATUS(sp)
 #endif /* CONFIG_MIPS_MT_SMTC */
                LONG_S  $4, PT_R4(sp)
                LONG_S  $5, PT_R5(sp)
diff --git a/arch/mips/jz4740/gpio.c b/arch/mips/jz4740/gpio.c
index 73031f7fc827..4397972949fa 100644
--- a/arch/mips/jz4740/gpio.c
+++ b/arch/mips/jz4740/gpio.c
@@ -18,7 +18,7 @@
 #include <linux/init.h>
 #include <linux/spinlock.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
 #include <linux/io.h>
 #include <linux/gpio.h>
 #include <linux/delay.h>
@@ -86,7 +86,6 @@ struct jz_gpio_chip {
        spinlock_t lock;
        struct gpio_chip gpio_chip;
-        struct sys_device sysdev;
 };
 static struct jz_gpio_chip jz4740_gpio_chips[];
@@ -459,49 +458,47 @@ static struct jz_gpio_chip jz4740_gpio_chips[] = {
        JZ4740_GPIO_CHIP(D),
 };
-static inline struct jz_gpio_chip *sysdev_to_chip(struct sys_device *dev)
+static void jz4740_gpio_suspend_chip(struct jz_gpio_chip *chip)
 {
-        return container_of(dev, struct jz_gpio_chip, sysdev);
+        chip->suspend_mask = readl(chip->base + JZ_REG_GPIO_MASK);
+        writel(~(chip->wakeup), chip->base + JZ_REG_GPIO_MASK_SET);
+        writel(chip->wakeup, chip->base + JZ_REG_GPIO_MASK_CLEAR);
 }
-static int jz4740_gpio_suspend(struct sys_device *dev, pm_message_t state)
+static int jz4740_gpio_suspend(void)
 {
-        struct jz_gpio_chip *chip = sysdev_to_chip(dev);
+        int i;
-        chip->suspend_mask = readl(chip->base + JZ_REG_GPIO_MASK);
+        for (i = 0; i < ARRAY_SIZE(jz4740_gpio_chips); i++)
-        writel(~(chip->wakeup), chip->base + JZ_REG_GPIO_MASK_SET);
+                jz4740_gpio_suspend_chip(&jz4740_gpio_chips[i]);
-        writel(chip->wakeup, chip->base + JZ_REG_GPIO_MASK_CLEAR);
        return 0;
 }
-static int jz4740_gpio_resume(struct sys_device *dev)
+static void jz4740_gpio_resume_chip(struct jz_gpio_chip *chip)
 {
-        struct jz_gpio_chip *chip = sysdev_to_chip(dev);
        uint32_t mask = chip->suspend_mask;
        writel(~mask, chip->base + JZ_REG_GPIO_MASK_CLEAR);
        writel(mask, chip->base + JZ_REG_GPIO_MASK_SET);
+}
-        return 0;
+static void jz4740_gpio_resume(void)
+{
+        int i;
+        for (i = ARRAY_SIZE(jz4740_gpio_chips) - 1; i >= 0 ; i--)
+                jz4740_gpio_resume_chip(&jz4740_gpio_chips[i]);
 }
-static struct sysdev_class jz4740_gpio_sysdev_class = {
+static struct syscore_ops jz4740_gpio_syscore_ops = {
-        .name = "gpio",
        .suspend = jz4740_gpio_suspend,
        .resume = jz4740_gpio_resume,
 };
-static int jz4740_gpio_chip_init(struct jz_gpio_chip *chip, unsigned int id)
+static void jz4740_gpio_chip_init(struct jz_gpio_chip *chip, unsigned int id)
 {
-        int ret, irq;
+        int irq;
-        chip->sysdev.id = id;
-        chip->sysdev.cls = &jz4740_gpio_sysdev_class;
-        ret = sysdev_register(&chip->sysdev);
-        if (ret)
-                return ret;
        spin_lock_init(&chip->lock);
@@ -519,22 +516,17 @@ static int jz4740_gpio_chip_init(struct jz_gpio_chip *chip, unsigned int id)
                irq_set_chip_and_handler(irq, &jz_gpio_irq_chip,
                                         handle_level_irq);
        }
-        return 0;
 }
 static int __init jz4740_gpio_init(void)
 {
        unsigned int i;
-        int ret;
-        ret = sysdev_class_register(&jz4740_gpio_sysdev_class);
-        if (ret)
-                return ret;
        for (i = 0; i < ARRAY_SIZE(jz4740_gpio_chips); ++i)
                jz4740_gpio_chip_init(&jz4740_gpio_chips[i], i);
+        register_syscore_ops(&jz4740_gpio_syscore_ops);
        printk(KERN_INFO "JZ4740 GPIO initialized\n");
        return 0;
diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c
index feb8021a305f..6a2d758dd8e9 100644
--- a/arch/mips/kernel/ftrace.c
+++ b/arch/mips/kernel/ftrace.c
@@ -19,6 +19,26 @@
 #include <asm-generic/sections.h>
+#if defined(KBUILD_MCOUNT_RA_ADDRESS) && defined(CONFIG_32BIT)
+#define MCOUNT_OFFSET_INSNS 5
+#else
+#define MCOUNT_OFFSET_INSNS 4
+#endif
+/*
+ * Check if the address is in kernel space
+ *
+ * Clone core_kernel_text() from kernel/extable.c, but doesn't call
+ * init_kernel_text() for Ftrace doesn't trace functions in init sections.
+ */
+static inline int in_kernel_space(unsigned long ip)
+{
+        if (ip >= (unsigned long)_stext &&
+            ip <= (unsigned long)_etext)
+                return 1;
+        return 0;
+}
 #ifdef CONFIG_DYNAMIC_FTRACE
 #define JAL 0x0c000000          /* jump & link: ip --> ra, jump to target */
@@ -54,20 +74,6 @@ static inline void ftrace_dyn_arch_init_insns(void)
 #endif
 }
-/*
- * Check if the address is in kernel space
- *
- * Clone core_kernel_text() from kernel/extable.c, but doesn't call
- * init_kernel_text() for Ftrace doesn't trace functions in init sections.
- */
-static inline int in_kernel_space(unsigned long ip)
-{
-        if (ip >= (unsigned long)_stext &&
-            ip <= (unsigned long)_etext)
-                return 1;
-        return 0;
-}
 static int ftrace_modify_code(unsigned long ip, unsigned int new_code)
 {
        int faulted;
@@ -112,11 +118,6 @@ static int ftrace_modify_code(unsigned long ip, unsigned int new_code)
 *                                  1: offset = 4 instructions
 */
-#if defined(KBUILD_MCOUNT_RA_ADDRESS) && defined(CONFIG_32BIT)
-#define MCOUNT_OFFSET_INSNS 5
-#else
-#define MCOUNT_OFFSET_INSNS 4
-#endif
 #define INSN_B_1F (0x10000000 | MCOUNT_OFFSET_INSNS)
 int ftrace_make_nop(struct module *mod,
diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c
index 5c74eb797f08..32b397b646ee 100644
--- a/arch/mips/kernel/i8259.c
+++ b/arch/mips/kernel/i8259.c
@@ -229,7 +229,7 @@ static void i8259A_shutdown(void)
         */
        if (i8259A_auto_eoi >= 0) {
                outb(0xff, PIC_MASTER_IMR);     /* mask all of 8259A-1 */
-                outb(0xff, PIC_SLAVE_IMR);      /* mask all of 8259A-1 */
+                outb(0xff, PIC_SLAVE_IMR);      /* mask all of 8259A-2 */
        }
 }
@@ -295,6 +295,7 @@ static void init_8259A(int auto_eoi)
 static struct irqaction irq2 = {
        .handler = no_action,
        .name = "cascade",
+        .flags = IRQF_NO_THREAD,
 };
 static struct resource pic1_io_resource = {
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index 876a75cc376f..922a554cd108 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -349,3 +349,10 @@ SYSCALL_DEFINE6(32_fanotify_mark, int, fanotify_fd, unsigned int, flags,
        return sys_fanotify_mark(fanotify_fd, flags, merge_64(a3, a4),
                                 dfd, pathname);
 }
+SYSCALL_DEFINE6(32_futex, u32 __user *, uaddr, int, op, u32, val,
+                struct compat_timespec __user *, utime, u32 __user *, uaddr2,
+                u32, val3)
+{
+        return compat_sys_futex(uaddr, op, val, utime, uaddr2, val3);
+}
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index e521420a45a5..865bc7a6f5a1 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -424,7 +424,7 @@ einval:	li	v0, -ENOSYS
        sys     sys_getresuid           3
        sys     sys_ni_syscall          0       /* was sys_query_module */
        sys     sys_poll                3
-        sys     sys_nfsservctl          3
+        sys     sys_ni_syscall          0       /* was nfsservctl */
        sys     sys_setresgid           3       /* 4190 */
        sys     sys_getresgid           3
        sys     sys_prctl               5
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index 85874d6a8a70..fb7334bea731 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -299,7 +299,7 @@ sys_call_table:
        PTR     sys_ni_syscall                  /* 5170, was get_kernel_syms */
        PTR     sys_ni_syscall                  /* was query_module */
        PTR     sys_quotactl
-        PTR     sys_nfsservctl
+        PTR     sys_ni_syscall                  /* was nfsservctl */
        PTR     sys_ni_syscall                  /* res. for getpmsg */
        PTR     sys_ni_syscall                  /* 5175  for putpmsg */
        PTR     sys_ni_syscall                  /* res. for afs_syscall */
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index b85842fc87ae..6de1f598346e 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -294,7 +294,7 @@ EXPORT(sysn32_call_table)
        PTR     sys_ni_syscall                  /* 6170, was get_kernel_syms */
        PTR     sys_ni_syscall                  /* was query_module */
        PTR     sys_quotactl
-        PTR     compat_sys_nfsservctl
+        PTR     sys_ni_syscall                  /* was nfsservctl */
        PTR     sys_ni_syscall                  /* res. for getpmsg */
        PTR     sys_ni_syscall                  /* 6175  for putpmsg */
        PTR     sys_ni_syscall                  /* res. for afs_syscall */
@@ -315,7 +315,7 @@ EXPORT(sysn32_call_table)
        PTR     sys_fremovexattr
        PTR     sys_tkill
        PTR     sys_ni_syscall
-        PTR     compat_sys_futex
+        PTR     sys_32_futex
        PTR     compat_sys_sched_setaffinity    /* 6195 */
        PTR     compat_sys_sched_getaffinity
        PTR     sys_cacheflush
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 46c4763edf21..1d813169e453 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -392,7 +392,7 @@ sys_call_table:
        PTR     sys_getresuid
        PTR     sys_ni_syscall                  /* was query_module */
        PTR     sys_poll
-        PTR     compat_sys_nfsservctl
+        PTR     sys_ni_syscall                  /* was nfsservctl */
        PTR     sys_setresgid                   /* 4190 */
        PTR     sys_getresgid
        PTR     sys_prctl
@@ -441,7 +441,7 @@ sys_call_table:
        PTR     sys_fremovexattr                /* 4235 */
        PTR     sys_tkill
        PTR     sys_sendfile64
-        PTR     compat_sys_futex
+        PTR     sys_32_futex
        PTR     compat_sys_sched_setaffinity
        PTR     compat_sys_sched_getaffinity    /* 4240 */
        PTR     compat_sys_io_setup
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index dbbe0ce48d89..f8524003676a 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -8,6 +8,7 @@
 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
 */
 #include <linux/cache.h>
+#include <linux/irqflags.h>
 #include <linux/sched.h>
 #include <linux/mm.h>
 #include <linux/personality.h>
@@ -658,6 +659,8 @@ static void do_signal(struct pt_regs *regs)
 asmlinkage void do_notify_resume(struct pt_regs *regs, void *unused,
        __u32 thread_info_flags)
 {
+        local_irq_enable();
        /* deal with pending signal delivery */
        if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
                do_signal(regs);
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index b7517e3abc85..cbea618af0b4 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -14,6 +14,7 @@
 #include <linux/bug.h>
 #include <linux/compiler.h>
 #include <linux/init.h>
+#include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/module.h>
 #include <linux/sched.h>
@@ -364,21 +365,26 @@ static int regs_to_trapnr(struct pt_regs *regs)
        return (regs->cp0_cause >> 2) & 0x1f;
 }
-static DEFINE_SPINLOCK(die_lock);
+static DEFINE_RAW_SPINLOCK(die_lock);
 void __noreturn die(const char *str, struct pt_regs *regs)
 {
        static int die_counter;
        int sig = SIGSEGV;
 #ifdef CONFIG_MIPS_MT_SMTC
-        unsigned long dvpret = dvpe();
+        unsigned long dvpret;
 #endif /* CONFIG_MIPS_MT_SMTC */
+        oops_enter();
        if (notify_die(DIE_OOPS, str, regs, 0, regs_to_trapnr(regs), SIGSEGV) == NOTIFY_STOP)
                sig = 0;
        console_verbose();
-        spin_lock_irq(&die_lock);
+        raw_spin_lock_irq(&die_lock);
+#ifdef CONFIG_MIPS_MT_SMTC
+        dvpret = dvpe();
+#endif /* CONFIG_MIPS_MT_SMTC */
        bust_spinlocks(1);
 #ifdef CONFIG_MIPS_MT_SMTC
        mips_mt_regdump(dvpret);
@@ -387,7 +393,9 @@ void __noreturn die(const char *str, struct pt_regs *regs)
        printk("%s[#%d]:\n", str, ++die_counter);
        show_registers(regs);
        add_taint(TAINT_DIE);
-        spin_unlock_irq(&die_lock);
+        raw_spin_unlock_irq(&die_lock);
+        oops_exit();
        if (in_interrupt())
                panic("Fatal exception in interrupt");
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index 2cd50ad0d5c6..3efcb065f78a 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -192,7 +192,7 @@ static struct tc *get_tc(int index)
        }
        spin_unlock(&vpecontrol.tc_list_lock);
-        return NULL;
+        return res;
 }
 /* allocate a vpe and associate it with this minor (or index) */
diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c
index fc89795cafdb..f9737bb3c5ab 100644
--- a/arch/mips/lantiq/irq.c
+++ b/arch/mips/lantiq/irq.c
@@ -123,11 +123,10 @@ void ltq_enable_irq(struct irq_data *d)
 static unsigned int ltq_startup_eiu_irq(struct irq_data *d)
 {
        int i;
-        int irq_nr = d->irq - INT_NUM_IRQ0;
        ltq_enable_irq(d);
        for (i = 0; i < MAX_EIU; i++) {
-                if (irq_nr == ltq_eiu_irq[i]) {
+                if (d->irq == ltq_eiu_irq[i]) {
                        /* low level - we should really handle set_type */
                        ltq_eiu_w32(ltq_eiu_r32(LTQ_EIU_EXIN_C) |
                                (0x6 << (i * 4)), LTQ_EIU_EXIN_C);
@@ -147,11 +146,10 @@ static unsigned int ltq_startup_eiu_irq(struct irq_data *d)
 static void ltq_shutdown_eiu_irq(struct irq_data *d)
 {
        int i;
-        int irq_nr = d->irq - INT_NUM_IRQ0;
        ltq_disable_irq(d);
        for (i = 0; i < MAX_EIU; i++) {
-                if (irq_nr == ltq_eiu_irq[i]) {
+                if (d->irq == ltq_eiu_irq[i]) {
                        /* disable */
                        ltq_eiu_w32(ltq_eiu_r32(LTQ_EIU_EXIN_INEN) & ~(1 << i),
                                LTQ_EIU_EXIN_INEN);
diff --git a/arch/mips/lantiq/xway/ebu.c b/arch/mips/lantiq/xway/ebu.c
index 66eb52fa50a1..033b3184c7a7 100644
--- a/arch/mips/lantiq/xway/ebu.c
+++ b/arch/mips/lantiq/xway/ebu.c
@@ -10,7 +10,6 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/ioport.h>
 #include <lantiq_soc.h>
diff --git a/arch/mips/lantiq/xway/pmu.c b/arch/mips/lantiq/xway/pmu.c
index 9d69f01e352b..39f0d2641cbf 100644
--- a/arch/mips/lantiq/xway/pmu.c
+++ b/arch/mips/lantiq/xway/pmu.c
@@ -8,7 +8,6 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/ioport.h>
 #include <lantiq_soc.h>
diff --git a/arch/mips/lasat/interrupt.c b/arch/mips/lasat/interrupt.c
index de4c165515d7..d608b6ef0edd 100644
--- a/arch/mips/lasat/interrupt.c
+++ b/arch/mips/lasat/interrupt.c
@@ -105,6 +105,7 @@ asmlinkage void plat_irq_dispatch(void)
 static struct irqaction cascade = {
        .handler        = no_action,
        .name           = "cascade",
+        .flags          = IRQF_NO_THREAD,
 };
 void __init arch_init_irq(void)
diff --git a/arch/mips/loongson/fuloong-2e/irq.c b/arch/mips/loongson/fuloong-2e/irq.c
index d61a04222b87..3cf1fef29f0e 100644
--- a/arch/mips/loongson/fuloong-2e/irq.c
+++ b/arch/mips/loongson/fuloong-2e/irq.c
@@ -42,6 +42,7 @@ asmlinkage void mach_irq_dispatch(unsigned int pending)
 static struct irqaction cascade_irqaction = {
        .handler = no_action,
        .name = "cascade",
+        .flags = IRQF_NO_THREAD,
 };
 void __init mach_init_irq(void)
diff --git a/arch/mips/loongson/lemote-2f/irq.c b/arch/mips/loongson/lemote-2f/irq.c
index 081db102bb98..14b081841b6b 100644
--- a/arch/mips/loongson/lemote-2f/irq.c
+++ b/arch/mips/loongson/lemote-2f/irq.c
@@ -96,12 +96,13 @@ static irqreturn_t ip6_action(int cpl, void *dev_id)
 struct irqaction ip6_irqaction = {
        .handler = ip6_action,
        .name = "cascade",
-        .flags = IRQF_SHARED,
+        .flags = IRQF_SHARED | IRQF_NO_THREAD,
 };
 struct irqaction cascade_irqaction = {
        .handler = no_action,
        .name = "cascade",
+        .flags = IRQF_NO_THREAD,
 };
 void __init mach_init_irq(void)
diff --git a/arch/mips/mm/mmap.c b/arch/mips/mm/mmap.c
index 9ff5d0fac556..302d779d5b0d 100644
--- a/arch/mips/mm/mmap.c
+++ b/arch/mips/mm/mmap.c
@@ -6,6 +6,7 @@
 * Copyright (C) 2011 Wind River Systems,
 *   written by Ralf Baechle <ralf@linux-mips.org>
 */
+#include <linux/compiler.h>
 #include <linux/errno.h>
 #include <linux/mm.h>
 #include <linux/mman.h>
@@ -15,12 +16,11 @@
 #include <linux/sched.h>
 unsigned long shm_align_mask = PAGE_SIZE - 1;   /* Sane caches */
 EXPORT_SYMBOL(shm_align_mask);
 /* gap between mmap and stack */
 #define MIN_GAP (128*1024*1024UL)
-#define MAX_GAP        ((TASK_SIZE)/6*5)
+#define MAX_GAP ((TASK_SIZE)/6*5)
 static int mmap_is_legacy(void)
 {
@@ -57,13 +57,13 @@ static inline unsigned long COLOUR_ALIGN_DOWN(unsigned long addr,
        return base - off;
 }
-#define COLOUR_ALIGN(addr,pgoff)                                \
+#define COLOUR_ALIGN(addr, pgoff)                               \
        ((((addr) + shm_align_mask) & ~shm_align_mask) +        \
         (((pgoff) << PAGE_SHIFT) & shm_align_mask))
 enum mmap_allocation_direction {UP, DOWN};
-static unsigned long arch_get_unmapped_area_foo(struct file *filp,
+static unsigned long arch_get_unmapped_area_common(struct file *filp,
        unsigned long addr0, unsigned long len, unsigned long pgoff,
        unsigned long flags, enum mmap_allocation_direction dir)
 {
@@ -103,16 +103,16 @@ static unsigned long arch_get_unmapped_area_foo(struct file *filp,
                vma = find_vma(mm, addr);
                if (TASK_SIZE - len >= addr &&
-                   (!vma || addr + len <= vma->vm_start))
+                    (!vma || addr + len <= vma->vm_start))
                        return addr;
        }
        if (dir == UP) {
                addr = mm->mmap_base;
-                        if (do_color_align)
+                if (do_color_align)
-                                addr = COLOUR_ALIGN(addr, pgoff);
+                        addr = COLOUR_ALIGN(addr, pgoff);
-                        else
+                else
-                                addr = PAGE_ALIGN(addr);
+                        addr = PAGE_ALIGN(addr);
                for (vma = find_vma(current->mm, addr); ; vma = vma->vm_next) {
                        /* At this point:  (!vma || addr < vma->vm_end). */
@@ -131,28 +131,30 @@ static unsigned long arch_get_unmapped_area_foo(struct file *filp,
                        mm->free_area_cache = mm->mmap_base;
                }
-                /* either no address requested or can't fit in requested address hole */
+                /*
+                 * either no address requested, or the mapping can't fit into
+                 * the requested address hole
+                 */
                addr = mm->free_area_cache;
-                        if (do_color_align) {
+                if (do_color_align) {
-                                unsigned long base =
+                        unsigned long base =
-                                        COLOUR_ALIGN_DOWN(addr - len, pgoff);
+                                COLOUR_ALIGN_DOWN(addr - len, pgoff);
                        addr = base + len;
-                 }
+                }
                /* make sure it can fit in the remaining address space */
                if (likely(addr > len)) {
                        vma = find_vma(mm, addr - len);
                        if (!vma || addr <= vma->vm_start) {
-                                /* remember the address as a hint for next time */
+                                /* cache the address as a hint for next time */
-                                return mm->free_area_cache = addr-len;
+                                return mm->free_area_cache = addr - len;
                        }
                }
                if (unlikely(mm->mmap_base < len))
                        goto bottomup;
-                addr = mm->mmap_base-len;
+                addr = mm->mmap_base - len;
                if (do_color_align)
                        addr = COLOUR_ALIGN_DOWN(addr, pgoff);
@@ -163,8 +165,8 @@ static unsigned long arch_get_unmapped_area_foo(struct file *filp,
                         * return with success:
                         */
                        vma = find_vma(mm, addr);
-                        if (likely(!vma || addr+len <= vma->vm_start)) {
+                        if (likely(!vma || addr + len <= vma->vm_start)) {
-                                /* remember the address as a hint for next time */
+                                /* cache the address as a hint for next time */
                                return mm->free_area_cache = addr;
                        }
@@ -173,7 +175,7 @@ static unsigned long arch_get_unmapped_area_foo(struct file *filp,
                                mm->cached_hole_size = vma->vm_start - addr;
                        /* try just below the current vma->vm_start */
-                        addr = vma->vm_start-len;
+                        addr = vma->vm_start - len;
                        if (do_color_align)
                                addr = COLOUR_ALIGN_DOWN(addr, pgoff);
                } while (likely(len < vma->vm_start));
@@ -201,7 +203,7 @@ bottomup:
 unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr0,
        unsigned long len, unsigned long pgoff, unsigned long flags)
 {
-        return arch_get_unmapped_area_foo(filp,
+        return arch_get_unmapped_area_common(filp,
                        addr0, len, pgoff, flags, UP);
 }
@@ -213,7 +215,7 @@ unsigned long arch_get_unmapped_area_topdown(struct file *filp,
        unsigned long addr0, unsigned long len, unsigned long pgoff,
        unsigned long flags)
 {
-        return arch_get_unmapped_area_foo(filp,
+        return arch_get_unmapped_area_common(filp,
                        addr0, len, pgoff, flags, DOWN);
 }
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index b6e1cff50667..e06370f58ef3 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -1759,14 +1759,13 @@ static void __cpuinit build_r3000_tlb_modify_handler(void)
        u32 *p = handle_tlbm;
        struct uasm_label *l = labels;
        struct uasm_reloc *r = relocs;
-        struct work_registers wr;
        memset(handle_tlbm, 0, sizeof(handle_tlbm));
        memset(labels, 0, sizeof(labels));
        memset(relocs, 0, sizeof(relocs));
        build_r3000_tlbchange_handler_head(&p, K0, K1);
-        build_pte_modifiable(&p, &r, wr.r1, wr.r2,  wr.r3, label_nopage_tlbm);
+        build_pte_modifiable(&p, &r, K0, K1,  -1, label_nopage_tlbm);
        uasm_i_nop(&p); /* load delay */
        build_make_write(&p, &r, K0, K1);
        build_r3000_pte_reload_tlbwi(&p, K0, K1);
@@ -1963,7 +1962,8 @@ static void __cpuinit build_r4000_tlb_load_handler(void)
                        uasm_i_andi(&p, wr.r3, wr.r3, 2);
                        uasm_il_beqz(&p, &r, wr.r3, label_tlbl_goaround2);
                }
+                if (PM_DEFAULT_MASK == 0)
+                        uasm_i_nop(&p);
                /*
                 * We clobbered C0_PAGEMASK, restore it.  On the other branch
                 * it is restored in build_huge_tlb_write_entry.
diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c
index 1d36c511a7a5..d53ff91b277c 100644
--- a/arch/mips/mti-malta/malta-int.c
+++ b/arch/mips/mti-malta/malta-int.c
@@ -350,12 +350,14 @@ unsigned int plat_ipi_resched_int_xlate(unsigned int cpu)
 static struct irqaction i8259irq = {
        .handler = no_action,
-        .name = "XT-PIC cascade"
+        .name = "XT-PIC cascade",
+        .flags = IRQF_NO_THREAD,
 };
 static struct irqaction corehi_irqaction = {
        .handler = no_action,
-        .name = "CoreHi"
+        .name = "CoreHi",
+        .flags = IRQF_NO_THREAD,
 };
 static msc_irqmap_t __initdata msc_irqmap[] = {
diff --git a/arch/mips/netlogic/xlr/Makefile b/arch/mips/netlogic/xlr/Makefile
index 9bd3f731f62e..2dca585dd2f7 100644
--- a/arch/mips/netlogic/xlr/Makefile
+++ b/arch/mips/netlogic/xlr/Makefile
@@ -2,4 +2,4 @@ obj-y				+= setup.o platform.o irq.o setup.o time.o
 obj-$(CONFIG_SMP)               += smp.o smpboot.o
 obj-$(CONFIG_EARLY_PRINTK)      += xlr_console.o
-EXTRA_CFLAGS                    += -Werror
+ccflags-y                       += -Werror
diff --git a/arch/mips/pci/pci-lantiq.c b/arch/mips/pci/pci-lantiq.c
index 603d7493e966..8656388b34bd 100644
--- a/arch/mips/pci/pci-lantiq.c
+++ b/arch/mips/pci/pci-lantiq.c
@@ -171,8 +171,13 @@ static int __devinit ltq_pci_startup(struct ltq_pci_data *conf)
        u32 temp_buffer;
        /* set clock to 33Mhz */
-        ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) & ~0xf00000, LTQ_CGU_IFCCR);
+        if (ltq_is_ar9()) {
-        ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) | 0x800000, LTQ_CGU_IFCCR);
+                ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) & ~0x1f00000, LTQ_CGU_IFCCR);
+                ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) | 0xe00000, LTQ_CGU_IFCCR);
+        } else {
+                ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) & ~0xf00000, LTQ_CGU_IFCCR);
+                ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) | 0x800000, LTQ_CGU_IFCCR);
+        }
        /* external or internal clock ? */
        if (conf->clock) {
diff --git a/arch/mips/pci/pci-rc32434.c b/arch/mips/pci/pci-rc32434.c
index 764362ce5e40..5f3a69cebad1 100644
--- a/arch/mips/pci/pci-rc32434.c
+++ b/arch/mips/pci/pci-rc32434.c
@@ -215,7 +215,7 @@ static int __init rc32434_pci_init(void)
        rc32434_pcibridge_init();
        io_map_base = ioremap(rc32434_res_pci_io1.start,
-                              resource_size(&rcrc32434_res_pci_io1));
+                              resource_size(&rc32434_res_pci_io1));
        if (!io_map_base)
                return -ENOMEM;
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq.c b/arch/mips/pmc-sierra/msp71xx/msp_irq.c
index 4531c4a514bc..d3c3d81757a5 100644
--- a/arch/mips/pmc-sierra/msp71xx/msp_irq.c
+++ b/arch/mips/pmc-sierra/msp71xx/msp_irq.c
@@ -108,12 +108,14 @@ asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
 static struct irqaction cic_cascade_msp = {
        .handler = no_action,
-        .name    = "MSP CIC cascade"
+        .name    = "MSP CIC cascade",
+        .flags   = IRQF_NO_THREAD,
 };
 static struct irqaction per_cascade_msp = {
        .handler = no_action,
-        .name    = "MSP PER cascade"
+        .name    = "MSP PER cascade",
+        .flags   = IRQF_NO_THREAD,
 };
 void __init arch_init_irq(void)
diff --git a/arch/mips/pnx8550/common/int.c b/arch/mips/pnx8550/common/int.c
index 6b93c81779c1..1ebe22bdadc8 100644
--- a/arch/mips/pnx8550/common/int.c
+++ b/arch/mips/pnx8550/common/int.c
@@ -167,7 +167,7 @@ static struct irq_chip level_irq_type = {
 static struct irqaction gic_action = {
        .handler =      no_action,
-        .flags =        IRQF_DISABLED,
+        .flags =        IRQF_DISABLED | IRQF_NO_THREAD,
        .name =         "GIC",
 };
diff --git a/arch/mips/sgi-ip22/ip22-int.c b/arch/mips/sgi-ip22/ip22-int.c
index b4d08e4d2ea9..f72c336ea27b 100644
--- a/arch/mips/sgi-ip22/ip22-int.c
+++ b/arch/mips/sgi-ip22/ip22-int.c
@@ -155,32 +155,32 @@ static void __irq_entry indy_buserror_irq(void)
 static struct irqaction local0_cascade = {
        .handler        = no_action,
-        .flags          = IRQF_DISABLED,
+        .flags          = IRQF_DISABLED | IRQF_NO_THREAD,
        .name           = "local0 cascade",
 };
 static struct irqaction local1_cascade = {
        .handler        = no_action,
-        .flags          = IRQF_DISABLED,
+        .flags          = IRQF_DISABLED | IRQF_NO_THREAD,
        .name           = "local1 cascade",
 };
 static struct irqaction buserr = {
        .handler        = no_action,
-        .flags          = IRQF_DISABLED,
+        .flags          = IRQF_DISABLED | IRQF_NO_THREAD,
        .name           = "Bus Error",
 };
 static struct irqaction map0_cascade = {
        .handler        = no_action,
-        .flags          = IRQF_DISABLED,
+        .flags          = IRQF_DISABLED | IRQF_NO_THREAD,
        .name           = "mapable0 cascade",
 };
 #ifdef USE_LIO3_IRQ
 static struct irqaction map1_cascade = {
        .handler        = no_action,
-        .flags          = IRQF_DISABLED,
+        .flags          = IRQF_DISABLED | IRQF_NO_THREAD,
        .name           = "mapable1 cascade",
 };
 #define SGI_INTERRUPTS  SGINT_END
diff --git a/arch/mips/sni/rm200.c b/arch/mips/sni/rm200.c
index a7e5a6d917b1..3ab5b5d25b0a 100644
--- a/arch/mips/sni/rm200.c
+++ b/arch/mips/sni/rm200.c
@@ -359,6 +359,7 @@ void sni_rm200_init_8259A(void)
 static struct irqaction sni_rm200_irq2 = {
        .handler = no_action,
        .name = "cascade",
+        .flags = IRQF_NO_THREAD,
 };
 static struct resource sni_rm200_pic1_resource = {
diff --git a/arch/mips/vr41xx/common/irq.c b/arch/mips/vr41xx/common/irq.c
index 70a3b85f3757..fad2bef432cd 100644
--- a/arch/mips/vr41xx/common/irq.c
+++ b/arch/mips/vr41xx/common/irq.c
@@ -34,6 +34,7 @@ static irq_cascade_t irq_cascade[NR_IRQS] __cacheline_aligned;
 static struct irqaction cascade_irqaction = {
        .handler        = no_action,
        .name           = "cascade",
+        .flags          = IRQF_NO_THREAD,
 };
 int cascade_irq(unsigned int irq, int (*get_irq)(unsigned int))
diff --git a/arch/mn10300/kernel/entry.S b/arch/mn10300/kernel/entry.S
index ae435e1d5669..3e3620d9fc45 100644
--- a/arch/mn10300/kernel/entry.S
+++ b/arch/mn10300/kernel/entry.S
@@ -589,7 +589,7 @@ ENTRY(sys_call_table)
        .long sys_ni_syscall    /* vm86 */
        .long sys_ni_syscall    /* Old sys_query_module */
        .long sys_poll
-        .long sys_nfsservctl
+        .long sys_ni_syscall    /* was nfsservctl */
        .long sys_setresgid16   /* 170 */
        .long sys_getresgid16
        .long sys_prctl
diff --git a/arch/openrisc/include/asm/dma-mapping.h b/arch/openrisc/include/asm/dma-mapping.h
index 052f877b52a5..60b472233900 100644
--- a/arch/openrisc/include/asm/dma-mapping.h
+++ b/arch/openrisc/include/asm/dma-mapping.h
@@ -31,7 +31,6 @@
 #define DMA_ERROR_CODE          (~(dma_addr_t)0x0)
-int dma_mapping_error(struct device *dev, dma_addr_t dma_addr);
 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
@@ -47,6 +46,12 @@ dma_addr_t or1k_map_page(struct device *dev, struct page *page,
 void or1k_unmap_page(struct device *dev, dma_addr_t dma_handle,
                     size_t size, enum dma_data_direction dir,
                     struct dma_attrs *attrs);
+int or1k_map_sg(struct device *dev, struct scatterlist *sg,
+                int nents, enum dma_data_direction dir,
+                struct dma_attrs *attrs);
+void or1k_unmap_sg(struct device *dev, struct scatterlist *sg,
+                   int nents, enum dma_data_direction dir,
+                   struct dma_attrs *attrs);
 void or1k_sync_single_for_cpu(struct device *dev,
                              dma_addr_t dma_handle, size_t size,
                              enum dma_data_direction dir);
@@ -98,6 +103,51 @@ static inline void dma_unmap_single(struct device *dev, dma_addr_t addr,
        debug_dma_unmap_page(dev, addr, size, dir, true);
 }
+static inline int dma_map_sg(struct device *dev, struct scatterlist *sg,
+                                   int nents, enum dma_data_direction dir)
+{
+        int i, ents;
+        struct scatterlist *s;
+        for_each_sg(sg, s, nents, i)
+                kmemcheck_mark_initialized(sg_virt(s), s->length);
+        BUG_ON(!valid_dma_direction(dir));
+        ents = or1k_map_sg(dev, sg, nents, dir, NULL);
+        debug_dma_map_sg(dev, sg, nents, ents, dir);
+        return ents;
+}
+static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
+                                      int nents, enum dma_data_direction dir)
+{
+        BUG_ON(!valid_dma_direction(dir));
+        debug_dma_unmap_sg(dev, sg, nents, dir);
+        or1k_unmap_sg(dev, sg, nents, dir, NULL);
+}
+static inline dma_addr_t dma_map_page(struct device *dev, struct page *page,
+                                      size_t offset, size_t size,
+                                      enum dma_data_direction dir)
+{
+        dma_addr_t addr;
+        kmemcheck_mark_initialized(page_address(page) + offset, size);
+        BUG_ON(!valid_dma_direction(dir));
+        addr = or1k_map_page(dev, page, offset, size, dir, NULL);
+        debug_dma_map_page(dev, page, offset, size, dir, addr, false);
+        return addr;
+}
+static inline void dma_unmap_page(struct device *dev, dma_addr_t addr,
+                                  size_t size, enum dma_data_direction dir)
+{
+        BUG_ON(!valid_dma_direction(dir));
+        or1k_unmap_page(dev, addr, size, dir, NULL);
+        debug_dma_unmap_page(dev, addr, size, dir, true);
+}
 static inline void dma_sync_single_for_cpu(struct device *dev, dma_addr_t addr,
                                           size_t size,
                                           enum dma_data_direction dir)
@@ -119,7 +169,12 @@ static inline void dma_sync_single_for_device(struct device *dev,
 static inline int dma_supported(struct device *dev, u64 dma_mask)
 {
        /* Support 32 bit DMA mask exclusively */
-        return dma_mask == 0xffffffffULL;
+        return dma_mask == DMA_BIT_MASK(32);
+}
+static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
+{
+        return 0;
 }
 static inline int dma_set_mask(struct device *dev, u64 dma_mask)
diff --git a/arch/openrisc/include/asm/sigcontext.h b/arch/openrisc/include/asm/sigcontext.h
index 54a5c50132e3..b79c2b19afbe 100644
--- a/arch/openrisc/include/asm/sigcontext.h
+++ b/arch/openrisc/include/asm/sigcontext.h
@@ -23,16 +23,11 @@
 /* This struct is saved by setup_frame in signal.c, to keep the current
   context while a signal handler is executed. It's restored by sys_sigreturn.
-   To keep things simple, we use pt_regs here even though normally you just
-   specify the list of regs to save. Then we can use copy_from_user on the
-   entire regs instead of a bunch of get_user's as well...
 */
 struct sigcontext {
-        struct pt_regs regs;  /* needs to be first */
+        struct user_regs_struct regs;  /* needs to be first */
        unsigned long oldmask;
-        unsigned long usp;    /* usp before stacking this gunk on it */
 };
 #endif /* __ASM_OPENRISC_SIGCONTEXT_H */
diff --git a/arch/openrisc/kernel/dma.c b/arch/openrisc/kernel/dma.c
index 968d3ee477e3..f1c8ee2895d0 100644
--- a/arch/openrisc/kernel/dma.c
+++ b/arch/openrisc/kernel/dma.c
@@ -154,6 +154,33 @@ void or1k_unmap_page(struct device *dev, dma_addr_t dma_handle,
        /* Nothing special to do here... */
 }
+int or1k_map_sg(struct device *dev, struct scatterlist *sg,
+                int nents, enum dma_data_direction dir,
+                struct dma_attrs *attrs)
+{
+        struct scatterlist *s;
+        int i;
+        for_each_sg(sg, s, nents, i) {
+                s->dma_address = or1k_map_page(dev, sg_page(s), s->offset,
+                                               s->length, dir, NULL);
+        }
+        return nents;
+}
+void or1k_unmap_sg(struct device *dev, struct scatterlist *sg,
+                   int nents, enum dma_data_direction dir,
+                   struct dma_attrs *attrs)
+{
+        struct scatterlist *s;
+        int i;
+        for_each_sg(sg, s, nents, i) {
+                or1k_unmap_page(dev, sg_dma_address(s), sg_dma_len(s), dir, NULL);
+        }
+}
 void or1k_sync_single_for_cpu(struct device *dev,
                              dma_addr_t dma_handle, size_t size,
                              enum dma_data_direction dir)
@@ -187,5 +214,4 @@ static int __init dma_init(void)
        return 0;
 }
 fs_initcall(dma_init);
diff --git a/arch/openrisc/kernel/signal.c b/arch/openrisc/kernel/signal.c
index 5f759c76834e..95207ab0c99e 100644
--- a/arch/openrisc/kernel/signal.c
+++ b/arch/openrisc/kernel/signal.c
@@ -52,31 +52,25 @@ struct rt_sigframe {
 static int restore_sigcontext(struct pt_regs *regs, struct sigcontext *sc)
 {
        unsigned int err = 0;
-        unsigned long old_usp;
        /* Alwys make any pending restarted system call return -EINTR */
        current_thread_info()->restart_block.fn = do_no_restart_syscall;
-        /* restore the regs from &sc->regs (same as sc, since regs is first)
+        /*
+         * Restore the regs from &sc->regs.
         * (sc is already checked for VERIFY_READ since the sigframe was
         *  checked in sys_sigreturn previously)
         */
+        if (__copy_from_user(regs, sc->regs.gpr, 32 * sizeof(unsigned long)))
-        if (__copy_from_user(regs, sc, sizeof(struct pt_regs)))
+                goto badframe;
+        if (__copy_from_user(&regs->pc, &sc->regs.pc, sizeof(unsigned long)))
+                goto badframe;
+        if (__copy_from_user(&regs->sr, &sc->regs.sr, sizeof(unsigned long)))
                goto badframe;
        /* make sure the SM-bit is cleared so user-mode cannot fool us */
        regs->sr &= ~SPR_SR_SM;
-        /* restore the old USP as it was before we stacked the sc etc.
-         * (we cannot just pop the sigcontext since we aligned the sp and
-         *  stuff after pushing it)
-         */
-        err |= __get_user(old_usp, &sc->usp);
-        regs->sp = old_usp;
        /* TODO: the other ports use regs->orig_XX to disable syscall checks
         * after this completes, but we don't use that mechanism. maybe we can
         * use it now ?
@@ -137,18 +131,17 @@ static int setup_sigcontext(struct sigcontext *sc, struct pt_regs *regs,
                            unsigned long mask)
 {
        int err = 0;
-        unsigned long usp = regs->sp;
-        /* copy the regs. they are first in sc so we can use sc directly */
+        /* copy the regs */
-        err |= __copy_to_user(sc, regs, sizeof(struct pt_regs));
+        err |= __copy_to_user(sc->regs.gpr, regs, 32 * sizeof(unsigned long));
+        err |= __copy_to_user(&sc->regs.pc, &regs->pc, sizeof(unsigned long));
+        err |= __copy_to_user(&sc->regs.sr, &regs->sr, sizeof(unsigned long));
        /* then some other stuff */
        err |= __put_user(mask, &sc->oldmask);
-        err |= __put_user(usp, &sc->usp);
        return err;
 }
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index e66366fd2abc..3735abd7f8f6 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -259,7 +259,7 @@
        ENTRY_SAME(ni_syscall)          /* query_module */
        ENTRY_SAME(poll)
        /* structs contain pointers and an in_addr... */
-        ENTRY_COMP(nfsservctl)
+        ENTRY_SAME(ni_syscall)          /* was nfsservctl */
        ENTRY_SAME(setresgid)           /* 170 */
        ENTRY_SAME(getresgid)
        ENTRY_SAME(prctl)
diff --git a/arch/powerpc/boot/dts/p1023rds.dts b/arch/powerpc/boot/dts/p1023rds.dts
index bfa96aa8f2ca..d9b776740a67 100644
--- a/arch/powerpc/boot/dts/p1023rds.dts
+++ b/arch/powerpc/boot/dts/p1023rds.dts
@@ -387,7 +387,7 @@
                        #size-cells = <1>;
                        compatible = "cfi-flash";
                        reg = <0x0 0x0 0x02000000>;
-                        bank-width = <1>;
+                        bank-width = <2>;
                        device-width = <1>;
                        partition@0 {
                                label = "ramdisk";
diff --git a/arch/powerpc/configs/85xx/p1023rds_defconfig b/arch/powerpc/configs/85xx/p1023rds_defconfig
index 980ff8f61fd4..3ff5a81c709f 100644
--- a/arch/powerpc/configs/85xx/p1023rds_defconfig
+++ b/arch/powerpc/configs/85xx/p1023rds_defconfig
@@ -171,3 +171,4 @@ CONFIG_CRYPTO_SHA256=y
 CONFIG_CRYPTO_SHA512=y
 CONFIG_CRYPTO_AES=y
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRYPTO_DEV_FSL_CAAM=y
diff --git a/arch/powerpc/configs/corenet32_smp_defconfig b/arch/powerpc/configs/corenet32_smp_defconfig
index 10562a5c65b9..4311d02a3bfd 100644
--- a/arch/powerpc/configs/corenet32_smp_defconfig
+++ b/arch/powerpc/configs/corenet32_smp_defconfig
@@ -185,3 +185,4 @@ CONFIG_CRYPTO_SHA256=y
 CONFIG_CRYPTO_SHA512=y
 CONFIG_CRYPTO_AES=y
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRYPTO_DEV_FSL_CAAM=y
diff --git a/arch/powerpc/configs/corenet64_smp_defconfig b/arch/powerpc/configs/corenet64_smp_defconfig
index d32283555b53..c92c204a204b 100644
--- a/arch/powerpc/configs/corenet64_smp_defconfig
+++ b/arch/powerpc/configs/corenet64_smp_defconfig
@@ -100,5 +100,8 @@ CONFIG_DEBUG_INFO=y
 CONFIG_SYSCTL_SYSCALL_CHECK=y
 CONFIG_VIRQ_DEBUG=y
 CONFIG_CRYPTO_PCBC=m
+CONFIG_CRYPTO_SHA256=y
+CONFIG_CRYPTO_SHA512=y
+CONFIG_CRYPTO_AES=y
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
-CONFIG_CRYPTO_DEV_TALITOS=y
+CONFIG_CRYPTO_DEV_FSL_CAAM=y
diff --git a/arch/powerpc/configs/mpc85xx_defconfig b/arch/powerpc/configs/mpc85xx_defconfig
index fcd85d2c72dc..a3467bfb7671 100644
--- a/arch/powerpc/configs/mpc85xx_defconfig
+++ b/arch/powerpc/configs/mpc85xx_defconfig
@@ -139,6 +139,7 @@ CONFIG_SND=y
 CONFIG_SND_INTEL8X0=y
 # CONFIG_SND_PPC is not set
 # CONFIG_SND_USB is not set
+CONFIG_SND_SOC=y
 CONFIG_HID_A4TECH=y
 CONFIG_HID_APPLE=y
 CONFIG_HID_BELKIN=y
diff --git a/arch/powerpc/configs/mpc85xx_smp_defconfig b/arch/powerpc/configs/mpc85xx_smp_defconfig
index 908c941fc24c..9693f6ed3da0 100644
--- a/arch/powerpc/configs/mpc85xx_smp_defconfig
+++ b/arch/powerpc/configs/mpc85xx_smp_defconfig
@@ -140,6 +140,7 @@ CONFIG_SND=y
 CONFIG_SND_INTEL8X0=y
 # CONFIG_SND_PPC is not set
 # CONFIG_SND_USB is not set
+CONFIG_SND_SOC=y
 CONFIG_HID_A4TECH=y
 CONFIG_HID_APPLE=y
 CONFIG_HID_BELKIN=y
diff --git a/arch/powerpc/include/asm/jump_label.h b/arch/powerpc/include/asm/jump_label.h
index 1f780b95c0f0..938986e412f1 100644
--- a/arch/powerpc/include/asm/jump_label.h
+++ b/arch/powerpc/include/asm/jump_label.h
@@ -22,7 +22,6 @@ static __always_inline bool arch_static_branch(struct jump_label_key *key)
        asm goto("1:\n\t"
                 "nop\n\t"
                 ".pushsection __jump_table,  \"aw\"\n\t"
-                 ".align 4\n\t"
                 JUMP_ENTRY_TYPE "1b, %l[l_yes], %c0\n\t"
                 ".popsection \n\t"
                 : :  "i" (key) : : l_yes);
@@ -41,7 +40,6 @@ struct jump_entry {
        jump_label_t code;
        jump_label_t target;
        jump_label_t key;
-        jump_label_t pad;
 };
 #endif /* _ASM_POWERPC_JUMP_LABEL_H */
diff --git a/arch/powerpc/include/asm/kdump.h b/arch/powerpc/include/asm/kdump.h
index 6857af58b02e..bffd062adf79 100644
--- a/arch/powerpc/include/asm/kdump.h
+++ b/arch/powerpc/include/asm/kdump.h
@@ -3,17 +3,7 @@
 #include <asm/page.h>
-/*
- * If CONFIG_RELOCATABLE is enabled we can place the kdump kernel anywhere.
- * To keep enough space in the RMO for the first stage kernel on 64bit, we
- * place it at 64MB. If CONFIG_RELOCATABLE is not enabled we must place
- * the second stage at 32MB.
- */
-#if defined(CONFIG_RELOCATABLE) && defined(CONFIG_PPC64)
-#define KDUMP_KERNELBASE        0x4000000
-#else
 #define KDUMP_KERNELBASE        0x2000000
-#endif
 /* How many bytes to reserve at zero for kdump. The reserve limit should
 * be greater or equal to the trampoline's end address.
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index e8aaf6fce38b..559da199edb5 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -1003,7 +1003,6 @@
 #define PV_970          0x0039
 #define PV_POWER5       0x003A
 #define PV_POWER5p      0x003B
-#define PV_POWER7       0x003F
 #define PV_970FX        0x003C
 #define PV_POWER6       0x003E
 #define PV_POWER7       0x003F
@@ -1024,13 +1023,16 @@
 #define mtmsrd(v)       __mtmsrd((v), 0)
 #define mtmsr(v)        mtmsrd(v)
 #else
-#define mtmsr(v)        asm volatile("mtmsr %0" : : "r" (v) : "memory")
+#define mtmsr(v)        asm volatile("mtmsr %0" : \
+                                     : "r" ((unsigned long)(v)) \
+                                     : "memory")
 #endif
 #define mfspr(rn)       ({unsigned long rval; \
                        asm volatile("mfspr %0," __stringify(rn) \
                                : "=r" (rval)); rval;})
-#define mtspr(rn, v)    asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v)\
+#define mtspr(rn, v)    asm volatile("mtspr " __stringify(rn) ",%0" : \
+                                     : "r" ((unsigned long)(v)) \
                                     : "memory")
 #ifdef __powerpc64__
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index f6736b7da463..fa0d27a400de 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -171,7 +171,7 @@ SYSCALL_SPU(setresuid)
 SYSCALL_SPU(getresuid)
 SYSCALL(ni_syscall)
 SYSCALL_SPU(poll)
-COMPAT_SYS(nfsservctl)
+SYSCALL(ni_syscall)
 SYSCALL_SPU(setresgid)
 SYSCALL_SPU(getresgid)
 COMPAT_SYS_SPU(prctl)
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 9fb933248ab6..fa44ff538861 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -2051,7 +2051,8 @@ static struct cpu_spec __initdata cpu_specs[] = {
 static struct cpu_spec the_cpu_spec;
-static void __init setup_cpu_spec(unsigned long offset, struct cpu_spec *s)
+static struct cpu_spec * __init setup_cpu_spec(unsigned long offset,
+                                               struct cpu_spec *s)
 {
        struct cpu_spec *t = &the_cpu_spec;
        struct cpu_spec old;
@@ -2114,6 +2115,8 @@ static void __init setup_cpu_spec(unsigned long offset, struct cpu_spec *s)
                t->cpu_setup(offset, t);
        }
 #endif /* CONFIG_PPC64 || CONFIG_BOOKE */
+        return t;
 }
 struct cpu_spec * __init identify_cpu(unsigned long offset, unsigned int pvr)
@@ -2124,10 +2127,8 @@ struct cpu_spec * __init identify_cpu(unsigned long offset, unsigned int pvr)
        s = PTRRELOC(s);
        for (i = 0; i < ARRAY_SIZE(cpu_specs); i++,s++) {
-                if ((pvr & s->pvr_mask) == s->pvr_value) {
+                if ((pvr & s->pvr_mask) == s->pvr_value)
-                        setup_cpu_spec(offset, s);
+                        return setup_cpu_spec(offset, s);
-                        return s;
-                }
        }
        BUG();
diff --git a/arch/powerpc/kernel/iomap.c b/arch/powerpc/kernel/iomap.c
index 1577434f4088..b25f6325fc70 100644
--- a/arch/powerpc/kernel/iomap.c
+++ b/arch/powerpc/kernel/iomap.c
@@ -117,6 +117,7 @@ void ioport_unmap(void __iomem *addr)
 EXPORT_SYMBOL(ioport_map);
 EXPORT_SYMBOL(ioport_unmap);
+#ifdef CONFIG_PCI
 void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max)
 {
        resource_size_t start = pci_resource_start(dev, bar);
@@ -146,3 +147,4 @@ void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
 EXPORT_SYMBOL(pci_iomap);
 EXPORT_SYMBOL(pci_iounmap);
+#endif /* CONFIG_PCI */
diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c
index 6658a1589955..9ce1672afb59 100644
--- a/arch/powerpc/kernel/machine_kexec.c
+++ b/arch/powerpc/kernel/machine_kexec.c
@@ -136,12 +136,16 @@ void __init reserve_crashkernel(void)
        crashk_res.start = KDUMP_KERNELBASE;
 #else
        if (!crashk_res.start) {
+#ifdef CONFIG_PPC64
                /*
-                 * unspecified address, choose a region of specified size
+                 * On 64bit we split the RMO in half but cap it at half of
-                 * can overlap with initrd (ignoring corruption when retained)
+                 * a small SLB (128MB) since the crash kernel needs to place
-                 * ppc64 requires kernel and some stacks to be in first segemnt
+                 * itself and some stacks to be in the first segment.
                 */
+                crashk_res.start = min(0x80000000ULL, (ppc64_rma_size / 2));
+#else
                crashk_res.start = KDUMP_KERNELBASE;
+#endif
        }
        crash_base = PAGE_ALIGN(crashk_res.start);
diff --git a/arch/powerpc/kernel/perf_callchain.c b/arch/powerpc/kernel/perf_callchain.c
index d05ae4204bbf..564c1d8bdb5c 100644
--- a/arch/powerpc/kernel/perf_callchain.c
+++ b/arch/powerpc/kernel/perf_callchain.c
@@ -154,8 +154,12 @@ static int read_user_stack_64(unsigned long __user *ptr, unsigned long *ret)
            ((unsigned long)ptr & 7))
                return -EFAULT;
-        if (!__get_user_inatomic(*ret, ptr))
+        pagefault_disable();
+        if (!__get_user_inatomic(*ret, ptr)) {
+                pagefault_enable();
                return 0;
+        }
+        pagefault_enable();
        return read_user_stack_slow(ptr, ret, 8);
 }
@@ -166,8 +170,12 @@ static int read_user_stack_32(unsigned int __user *ptr, unsigned int *ret)
            ((unsigned long)ptr & 3))
                return -EFAULT;
-        if (!__get_user_inatomic(*ret, ptr))
+        pagefault_disable();
+        if (!__get_user_inatomic(*ret, ptr)) {
+                pagefault_enable();
                return 0;
+        }
+        pagefault_enable();
        return read_user_stack_slow(ptr, ret, 4);
 }
@@ -294,11 +302,17 @@ static inline int current_is_64bit(void)
 */
 static int read_user_stack_32(unsigned int __user *ptr, unsigned int *ret)
 {
+        int rc;
        if ((unsigned long)ptr > TASK_SIZE - sizeof(unsigned int) ||
            ((unsigned long)ptr & 3))
                return -EFAULT;
-        return __get_user_inatomic(*ret, ptr);
+        pagefault_disable();
+        rc = __get_user_inatomic(*ret, ptr);
+        pagefault_enable();
+        return rc;
 }
 static inline void perf_callchain_user_64(struct perf_callchain_entry *entry,
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index c016033ba78d..a909f4e9343b 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -1020,7 +1020,7 @@ static unsigned long __init alloc_up(unsigned long size, unsigned long align)
        }
        if (addr == 0)
                return 0;
-        RELOC(alloc_bottom) = addr;
+        RELOC(alloc_bottom) = addr + size;
        prom_debug(" -> %x\n", addr);
        prom_debug("  alloc_bottom : %x\n", RELOC(alloc_bottom));
@@ -1830,11 +1830,13 @@ static void __init *make_room(unsigned long *mem_start, unsigned long *mem_end,
                if (room > DEVTREE_CHUNK_SIZE)
                        room = DEVTREE_CHUNK_SIZE;
                if (room < PAGE_SIZE)
-                        prom_panic("No memory for flatten_device_tree (no room)");
+                        prom_panic("No memory for flatten_device_tree "
+                                   "(no room)\n");
                chunk = alloc_up(room, 0);
                if (chunk == 0)
-                        prom_panic("No memory for flatten_device_tree (claim failed)");
+                        prom_panic("No memory for flatten_device_tree "
-                *mem_end = RELOC(alloc_top);
+                                   "(claim failed)\n");
+                *mem_end = chunk + room;
        }
        ret = (void *)*mem_start;
@@ -2042,7 +2044,7 @@ static void __init flatten_device_tree(void)
        /*
         * Check how much room we have between alloc top & bottom (+/- a
-         * few pages), crop to 4Mb, as this is our "chuck" size
+         * few pages), crop to 1MB, as this is our "chunk" size
         */
        room = RELOC(alloc_top) - RELOC(alloc_bottom) - 0x4000;
        if (room > DEVTREE_CHUNK_SIZE)
@@ -2053,7 +2055,7 @@ static void __init flatten_device_tree(void)
        mem_start = (unsigned long)alloc_up(room, PAGE_SIZE);
        if (mem_start == 0)
                prom_panic("Can't allocate initial device-tree chunk\n");
-        mem_end = RELOC(alloc_top);
+        mem_end = mem_start + room;
        /* Get root of tree */
        root = call_prom("peer", 1, 1, (phandle)0);
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index 6dd33581a228..de2950135e6e 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -1251,7 +1251,7 @@ BEGIN_FTR_SECTION
        reg = 0
        .rept   32
        li      r6,reg*16+VCPU_VSRS
-        stxvd2x reg,r6,r3
+        STXVD2X(reg,r6,r3)
        reg = reg + 1
        .endr
 FTR_SECTION_ELSE
@@ -1313,7 +1313,7 @@ BEGIN_FTR_SECTION
        reg = 0
        .rept   32
        li      r7,reg*16+VCPU_VSRS
-        lxvd2x  reg,r7,r4
+        LXVD2X(reg,r7,r4)
        reg = reg + 1
        .endr
 FTR_SECTION_ELSE
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index d0af7fb2f344..b9ba86191aed 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -24,7 +24,7 @@ source "arch/powerpc/platforms/wsp/Kconfig"
 config KVM_GUEST
        bool "KVM Guest support"
-        default y
+        default n
        ---help---
          This option enables various optimizations for running under the KVM
          hypervisor. Overhead for the kernel when not running inside KVM should
diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c
index 5cc83851ad06..31a7d3a7ce25 100644
--- a/arch/powerpc/platforms/powermac/pci.c
+++ b/arch/powerpc/platforms/powermac/pci.c
@@ -561,6 +561,20 @@ static struct pci_ops u4_pcie_pci_ops =
        .write = u4_pcie_write_config,
 };
+static void __devinit pmac_pci_fixup_u4_of_node(struct pci_dev *dev)
+{
+        /* Apple's device-tree "hides" the root complex virtual P2P bridge
+         * on U4. However, Linux sees it, causing the PCI <-> OF matching
+         * code to fail to properly match devices below it. This works around
+         * it by setting the node of the bridge to point to the PHB node,
+         * which is not entirely correct but fixes the matching code and
+         * doesn't break anything else. It's also the simplest possible fix.
+         */
+        if (dev->dev.of_node == NULL)
+                dev->dev.of_node = pcibios_get_phb_of_node(dev->bus);
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_APPLE, 0x5b, pmac_pci_fixup_u4_of_node);
 #endif /* CONFIG_PPC64 */
 #ifdef CONFIG_PPC32
diff --git a/arch/powerpc/platforms/pseries/dtl.c b/arch/powerpc/platforms/pseries/dtl.c
index e9190073bb97..0e8656370063 100644
--- a/arch/powerpc/platforms/pseries/dtl.c
+++ b/arch/powerpc/platforms/pseries/dtl.c
@@ -181,7 +181,7 @@ static void dtl_stop(struct dtl *dtl)
        lppaca_of(dtl->cpu).dtl_enable_mask = 0x0;
-        unregister_dtl(hwcpu, __pa(dtl->buf));
+        unregister_dtl(hwcpu);
 }
 static u64 dtl_current_index(struct dtl *dtl)
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index bc0288501f17..83a3ca2fd282 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -135,7 +135,7 @@ static void pseries_mach_cpu_die(void)
                get_lppaca()->idle = 0;
                if (get_preferred_offline_state(cpu) == CPU_STATE_ONLINE) {
-                        unregister_slb_shadow(hwcpu, __pa(get_slb_shadow()));
+                        unregister_slb_shadow(hwcpu);
                        /*
                         * Call to start_secondary_resume() will not return.
@@ -150,7 +150,7 @@ static void pseries_mach_cpu_die(void)
        WARN_ON(get_preferred_offline_state(cpu) != CPU_STATE_OFFLINE);
        set_cpu_current_state(cpu, CPU_STATE_OFFLINE);
-        unregister_slb_shadow(hwcpu, __pa(get_slb_shadow()));
+        unregister_slb_shadow(hwcpu);
        rtas_stop_self();
        /* Should never get here... */
diff --git a/arch/powerpc/platforms/pseries/io_event_irq.c b/arch/powerpc/platforms/pseries/io_event_irq.c
index c829e6067d54..2c4dd1fb8333 100644
--- a/arch/powerpc/platforms/pseries/io_event_irq.c
+++ b/arch/powerpc/platforms/pseries/io_event_irq.c
@@ -212,17 +212,15 @@ static int __init ioei_init(void)
        struct device_node *np;
        ioei_check_exception_token = rtas_token("check-exception");
-        if (ioei_check_exception_token == RTAS_UNKNOWN_SERVICE) {
+        if (ioei_check_exception_token == RTAS_UNKNOWN_SERVICE)
-                pr_warning("IO Event IRQ not supported on this system !\n");
                return -ENODEV;
-        }
        np = of_find_node_by_path("/event-sources/ibm,io-events");
        if (np) {
                request_event_sources_irqs(np, ioei_interrupt, "IO_EVENT");
+                pr_info("IBM I/O event interrupts enabled\n");
                of_node_put(np);
        } else {
-                pr_err("io_event_irq: No ibm,io-events on system! "
-                       "IO Event interrupt disabled.\n");
                return -ENODEV;
        }
        return 0;
diff --git a/arch/powerpc/platforms/pseries/kexec.c b/arch/powerpc/platforms/pseries/kexec.c
index 54cf3a4aa16b..7d94bdc63d50 100644
--- a/arch/powerpc/platforms/pseries/kexec.c
+++ b/arch/powerpc/platforms/pseries/kexec.c
@@ -25,20 +25,30 @@ static void pseries_kexec_cpu_down(int crash_shutdown, int secondary)
 {
        /* Don't risk a hypervisor call if we're crashing */
        if (firmware_has_feature(FW_FEATURE_SPLPAR) && !crash_shutdown) {
-                unsigned long addr;
+                int ret;
+                int cpu = smp_processor_id();
+                int hwcpu = hard_smp_processor_id();
-                addr = __pa(get_slb_shadow());
+                if (get_lppaca()->dtl_enable_mask) {
-                if (unregister_slb_shadow(hard_smp_processor_id(), addr))
+                        ret = unregister_dtl(hwcpu);
-                        printk("SLB shadow buffer deregistration of "
+                        if (ret) {
-                               "cpu %u (hw_cpu_id %d) failed\n",
+                                pr_err("WARNING: DTL deregistration for cpu "
-                               smp_processor_id(),
+                                       "%d (hw %d) failed with %d\n",
-                               hard_smp_processor_id());
+                                       cpu, hwcpu, ret);
+                        }
+                }
+                ret = unregister_slb_shadow(hwcpu);
+                if (ret) {
+                        pr_err("WARNING: SLB shadow buffer deregistration "
+                               "for cpu %d (hw %d) failed with %d\n",
+                               cpu, hwcpu, ret);
+                }
-                addr = __pa(get_lppaca());
+                ret = unregister_vpa(hwcpu);
-                if (unregister_vpa(hard_smp_processor_id(), addr)) {
+                if (ret) {
-                        printk("VPA deregistration of cpu %u (hw_cpu_id %d) "
+                        pr_err("WARNING: VPA deregistration for cpu %d "
-                                        "failed\n", smp_processor_id(),
+                               "(hw %d) failed with %d\n", cpu, hwcpu, ret);
-                                        hard_smp_processor_id());
                }
        }
 }
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index f7205d344efd..c9a29dae8c05 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -67,9 +67,8 @@ void vpa_init(int cpu)
        ret = register_vpa(hwcpu, addr);
        if (ret) {
-                printk(KERN_ERR "WARNING: vpa_init: VPA registration for "
+                pr_err("WARNING: VPA registration for cpu %d (hw %d) of area "
-                                "cpu %d (hw %d) of area %lx returns %ld\n",
+                       "%lx failed with %ld\n", cpu, hwcpu, addr, ret);
-                                cpu, hwcpu, addr, ret);
                return;
        }
        /*
@@ -80,10 +79,9 @@ void vpa_init(int cpu)
        if (firmware_has_feature(FW_FEATURE_SPLPAR)) {
                ret = register_slb_shadow(hwcpu, addr);
                if (ret)
-                        printk(KERN_ERR
+                        pr_err("WARNING: SLB shadow buffer registration for "
-                               "WARNING: vpa_init: SLB shadow buffer "
+                               "cpu %d (hw %d) of area %lx failed with %ld\n",
-                               "registration for cpu %d (hw %d) of area %lx "
+                               cpu, hwcpu, addr, ret);
-                               "returns %ld\n", cpu, hwcpu, addr, ret);
        }
        /*
@@ -100,8 +98,9 @@ void vpa_init(int cpu)
                dtl->enqueue_to_dispatch_time = DISPATCH_LOG_BYTES;
                ret = register_dtl(hwcpu, __pa(dtl));
                if (ret)
-                        pr_warn("DTL registration failed for cpu %d (%ld)\n",
+                        pr_err("WARNING: DTL registration of cpu %d (hw %d) "
-                                cpu, ret);
+                               "failed with %ld\n", smp_processor_id(),
+                               hwcpu, ret);
                lppaca_of(cpu).dtl_enable_mask = 2;
        }
 }
@@ -204,7 +203,7 @@ static void pSeries_lpar_hptab_clear(void)
                unsigned long ptel;
        } ptes[4];
        long lpar_rc;
-        int i, j;
+        unsigned long i, j;
        /* Read in batches of 4,
         * invalidate only valid entries not in the VRMA
diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h
index 4bf21207d7d3..41c24c146d6a 100644
--- a/arch/powerpc/platforms/pseries/plpar_wrappers.h
+++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h
@@ -53,9 +53,9 @@ static inline long vpa_call(unsigned long flags, unsigned long cpu,
        return plpar_hcall_norets(H_REGISTER_VPA, flags, cpu, vpa);
 }
-static inline long unregister_vpa(unsigned long cpu, unsigned long vpa)
+static inline long unregister_vpa(unsigned long cpu)
 {
-        return vpa_call(0x5, cpu, vpa);
+        return vpa_call(0x5, cpu, 0);
 }
 static inline long register_vpa(unsigned long cpu, unsigned long vpa)
@@ -63,9 +63,9 @@ static inline long register_vpa(unsigned long cpu, unsigned long vpa)
        return vpa_call(0x1, cpu, vpa);
 }
-static inline long unregister_slb_shadow(unsigned long cpu, unsigned long vpa)
+static inline long unregister_slb_shadow(unsigned long cpu)
 {
-        return vpa_call(0x7, cpu, vpa);
+        return vpa_call(0x7, cpu, 0);
 }
 static inline long register_slb_shadow(unsigned long cpu, unsigned long vpa)
@@ -73,9 +73,9 @@ static inline long register_slb_shadow(unsigned long cpu, unsigned long vpa)
        return vpa_call(0x3, cpu, vpa);
 }
-static inline long unregister_dtl(unsigned long cpu, unsigned long vpa)
+static inline long unregister_dtl(unsigned long cpu)
 {
-        return vpa_call(0x6, cpu, vpa);
+        return vpa_call(0x6, cpu, 0);
 }
 static inline long register_dtl(unsigned long cpu, unsigned long vpa)
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index d00e52926b71..0969fd98c4fa 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -324,8 +324,9 @@ static int alloc_dispatch_logs(void)
        dtl->enqueue_to_dispatch_time = DISPATCH_LOG_BYTES;
        ret = register_dtl(hard_smp_processor_id(), __pa(dtl));
        if (ret)
-                pr_warn("DTL registration failed for boot cpu %d (%d)\n",
+                pr_err("WARNING: DTL registration of cpu %d (hw %d) failed "
-                        smp_processor_id(), ret);
+                       "with %d\n", smp_processor_id(),
+                       hard_smp_processor_id(), ret);
        get_paca()->lppaca_ptr->dtl_enable_mask = 2;
        return 0;
diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 2de8551df40f..c65f75aa7ff7 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -54,6 +54,7 @@
 #define ODSR_CLEAR              0x1c00
 #define LTLEECSR_ENABLE_ALL     0xFFC000FC
 #define ESCSR_CLEAR             0x07120204
+#define IECSR_CLEAR             0x80000000
 #define RIO_PORT1_EDCSR         0x0640
 #define RIO_PORT2_EDCSR         0x0680
@@ -1089,11 +1090,11 @@ static void port_error_handler(struct rio_mport *port, int offset)
        if (offset == 0) {
                out_be32((u32 *)(rio_regs_win + RIO_PORT1_EDCSR), 0);
-                out_be32((u32 *)(rio_regs_win + RIO_PORT1_IECSR), 0);
+                out_be32((u32 *)(rio_regs_win + RIO_PORT1_IECSR), IECSR_CLEAR);
                out_be32((u32 *)(rio_regs_win + RIO_ESCSR), ESCSR_CLEAR);
        } else {
                out_be32((u32 *)(rio_regs_win + RIO_PORT2_EDCSR), 0);
-                out_be32((u32 *)(rio_regs_win + RIO_PORT2_IECSR), 0);
+                out_be32((u32 *)(rio_regs_win + RIO_PORT2_IECSR), IECSR_CLEAR);
                out_be32((u32 *)(rio_regs_win + RIO_PORT2_ESCSR), ESCSR_CLEAR);
        }
 }
diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c
index a59ba96d2c21..dbfe96bc878a 100644
--- a/arch/powerpc/sysdev/ppc4xx_pci.c
+++ b/arch/powerpc/sysdev/ppc4xx_pci.c
@@ -655,8 +655,6 @@ struct ppc4xx_pciex_hwops
 static struct ppc4xx_pciex_hwops *ppc4xx_pciex_hwops;
-#ifdef CONFIG_44x
 static int __init ppc4xx_pciex_wait_on_sdr(struct ppc4xx_pciex_port *port,
                                           unsigned int sdr_offset,
                                           unsigned int mask,
@@ -688,6 +686,7 @@ static int __init ppc4xx_pciex_port_reset_sdr(struct ppc4xx_pciex_port *port)
        return 0;
 }
 static void __init ppc4xx_pciex_check_link_sdr(struct ppc4xx_pciex_port *port)
 {
        printk(KERN_INFO "PCIE%d: Checking link...\n", port->index);
@@ -718,6 +717,8 @@ static void __init ppc4xx_pciex_check_link_sdr(struct ppc4xx_pciex_port *port)
                printk(KERN_INFO "PCIE%d: No device detected.\n", port->index);
 }
+#ifdef CONFIG_44x
 /* Check various reset bits of the 440SPe PCIe core */
 static int __init ppc440spe_pciex_check_reset(struct device_node *np)
 {
diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h
index 64b61bf72e93..547f1a6a35d4 100644
--- a/arch/s390/include/asm/elf.h
+++ b/arch/s390/include/asm/elf.h
@@ -188,7 +188,8 @@ extern char elf_platform[];
 #define SET_PERSONALITY(ex)                                     \
 do {                                                            \
        if (personality(current->personality) != PER_LINUX32)   \
-                set_personality(PER_LINUX);                     \
+                set_personality(PER_LINUX |                     \
+                        (current->personality & ~PER_MASK));    \
        if ((ex).e_ident[EI_CLASS] == ELFCLASS32)               \
                set_thread_flag(TIF_31BIT);                     \
        else                                                    \
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 519eb5f187ef..c0cb794bb365 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -658,12 +658,14 @@ static inline void pgste_set_pte(pte_t *ptep, pgste_t pgste)
 * struct gmap_struct - guest address space
 * @mm: pointer to the parent mm_struct
 * @table: pointer to the page directory
+ * @asce: address space control element for gmap page table
 * @crst_list: list of all crst tables used in the guest address space
 */
 struct gmap {
        struct list_head list;
        struct mm_struct *mm;
        unsigned long *table;
+        unsigned long asce;
        struct list_head crst_list;
 };
diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c
index 532fd4322156..2b45591e1582 100644
--- a/arch/s390/kernel/asm-offsets.c
+++ b/arch/s390/kernel/asm-offsets.c
@@ -10,6 +10,7 @@
 #include <linux/sched.h>
 #include <asm/vdso.h>
 #include <asm/sigp.h>
+#include <asm/pgtable.h>
 /*
 * Make sure that the compiler is new enough. We want a compiler that
@@ -126,6 +127,7 @@ int main(void)
        DEFINE(__LC_KERNEL_STACK, offsetof(struct _lowcore, kernel_stack));
        DEFINE(__LC_ASYNC_STACK, offsetof(struct _lowcore, async_stack));
        DEFINE(__LC_PANIC_STACK, offsetof(struct _lowcore, panic_stack));
+        DEFINE(__LC_USER_ASCE, offsetof(struct _lowcore, user_asce));
        DEFINE(__LC_INT_CLOCK, offsetof(struct _lowcore, int_clock));
        DEFINE(__LC_MCCK_CLOCK, offsetof(struct _lowcore, mcck_clock));
        DEFINE(__LC_MACHINE_FLAGS, offsetof(struct _lowcore, machine_flags));
@@ -151,6 +153,7 @@ int main(void)
        DEFINE(__LC_VDSO_PER_CPU, offsetof(struct _lowcore, vdso_per_cpu_data));
        DEFINE(__LC_GMAP, offsetof(struct _lowcore, gmap));
        DEFINE(__LC_CMF_HPP, offsetof(struct _lowcore, cmf_hpp));
+        DEFINE(__GMAP_ASCE, offsetof(struct gmap, asce));
 #endif /* CONFIG_32BIT */
        return 0;
 }
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 08ab9aa6a0d5..7526db6bf501 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -665,12 +665,6 @@ ENTRY(sys32_poll_wrapper)
        lgfr    %r4,%r4                 # long
        jg      sys_poll                # branch to system call
-ENTRY(compat_sys_nfsservctl_wrapper)
-        lgfr    %r2,%r2                 # int
-        llgtr   %r3,%r3                 # struct compat_nfsctl_arg*
-        llgtr   %r4,%r4                 # union compat_nfsctl_res*
-        jg      compat_sys_nfsservctl   # branch to system call
 ENTRY(sys32_setresgid16_wrapper)
        llgfr   %r2,%r2                 # __kernel_old_gid_emu31_t
        llgfr   %r3,%r3                 # __kernel_old_gid_emu31_t
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index 068f8465c4ee..f297456dba7a 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -396,17 +396,19 @@ static __init void detect_machine_facilities(void)
 static __init void rescue_initrd(void)
 {
 #ifdef CONFIG_BLK_DEV_INITRD
+        unsigned long min_initrd_addr = (unsigned long) _end + (4UL << 20);
        /*
-         * Move the initrd right behind the bss section in case it starts
+         * Just like in case of IPL from VM reader we make sure there is a
-         * within the bss section. So we don't overwrite it when the bss
+         * gap of 4MB between end of kernel and start of initrd.
-         * section gets cleared.
+         * That way we can also be sure that saving an NSS will succeed,
+         * which however only requires different segments.
         */
        if (!INITRD_START || !INITRD_SIZE)
                return;
-        if (INITRD_START >= (unsigned long) __bss_stop)
+        if (INITRD_START >= min_initrd_addr)
                return;
-        memmove(__bss_stop, (void *) INITRD_START, INITRD_SIZE);
+        memmove((void *) min_initrd_addr, (void *) INITRD_START, INITRD_SIZE);
-        INITRD_START = (unsigned long) __bss_stop;
+        INITRD_START = min_initrd_addr;
 #endif
 }
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 5f729d627cef..713da0760538 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -1076,6 +1076,11 @@ sie_loop:
        lg      %r14,__LC_THREAD_INFO           # pointer thread_info struct
        tm      __TI_flags+7(%r14),_TIF_EXIT_SIE
        jnz     sie_exit
+        lg      %r14,__LC_GMAP                  # get gmap pointer
+        ltgr    %r14,%r14
+        jz      sie_gmap
+        lctlg   %c1,%c1,__GMAP_ASCE(%r14)       # load primary asce
+sie_gmap:
        lg      %r14,__SF_EMPTY(%r15)           # get control block pointer
        SPP     __SF_EMPTY(%r15)                # set guest id
        sie     0(%r14)
@@ -1083,6 +1088,7 @@ sie_done:
        SPP     __LC_CMF_HPP                    # set host id
        lg      %r14,__LC_THREAD_INFO           # pointer thread_info struct
 sie_exit:
+        lctlg   %c1,%c1,__LC_USER_ASCE          # load primary asce
        ni      __TI_flags+6(%r14),255-(_TIF_SIE>>8)
        lg      %r14,__SF_EMPTY+8(%r15)         # load guest register save area
        stmg    %r0,%r13,0(%r14)                # save guest gprs 0-13
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index 04361d5a4279..48c710206366 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -1220,7 +1220,7 @@ static int __init reipl_fcp_init(void)
        /* sysfs: create fcp kset for mixing attr group and bin attrs */
        reipl_fcp_kset = kset_create_and_add(IPL_FCP_STR, NULL,
                                             &reipl_kset->kobj);
-        if (!reipl_kset) {
+        if (!reipl_fcp_kset) {
                free_page((unsigned long) reipl_block_fcp);
                return -ENOMEM;
        }
@@ -1618,7 +1618,8 @@ static struct shutdown_action vmcmd_action = {SHUTDOWN_ACTION_VMCMD_STR,
 static void stop_run(struct shutdown_trigger *trigger)
 {
-        if (strcmp(trigger->name, ON_PANIC_STR) == 0)
+        if (strcmp(trigger->name, ON_PANIC_STR) == 0 ||
+            strcmp(trigger->name, ON_RESTART_STR) == 0)
                disabled_wait((unsigned long) __builtin_return_address(0));
        while (sigp(smp_processor_id(), sigp_stop) == sigp_busy)
                cpu_relax();
@@ -1717,7 +1718,7 @@ static void do_panic(void)
 /* on restart */
 static struct shutdown_trigger on_restart_trigger = {ON_RESTART_STR,
-        &reipl_action};
+        &stop_action};
 static ssize_t on_restart_show(struct kobject *kobj,
                               struct kobj_attribute *attr, char *page)
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 6ee39ef8fe4a..73eb08c874fb 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -177,7 +177,7 @@ SYSCALL(sys_getresuid16,sys_ni_syscall,sys32_getresuid16_wrapper)	/* 165 old get
 NI_SYSCALL                                                      /* for vm86 */
 NI_SYSCALL                                                      /* old sys_query_module */
 SYSCALL(sys_poll,sys_poll,sys32_poll_wrapper)
-SYSCALL(sys_nfsservctl,sys_nfsservctl,compat_sys_nfsservctl_wrapper)
+NI_SYSCALL                                                      /* old nfsservctl */
 SYSCALL(sys_setresgid16,sys_ni_syscall,sys32_setresgid16_wrapper)       /* 170 old setresgid16 syscall */
 SYSCALL(sys_getresgid16,sys_ni_syscall,sys32_getresgid16_wrapper)       /* old getresgid16 syscall */
 SYSCALL(sys_prctl,sys_prctl,sys32_prctl_wrapper)
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index f17296e4fc89..dc2b580e27bc 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -123,6 +123,7 @@ int kvm_dev_ioctl_check_extension(long ext)
        switch (ext) {
        case KVM_CAP_S390_PSW:
+        case KVM_CAP_S390_GMAP:
                r = 1;
                break;
        default:
@@ -263,10 +264,12 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
        vcpu->arch.guest_fpregs.fpc &= FPC_VALID_MASK;
        restore_fp_regs(&vcpu->arch.guest_fpregs);
        restore_access_regs(vcpu->arch.guest_acrs);
+        gmap_enable(vcpu->arch.gmap);
 }
 void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
 {
+        gmap_disable(vcpu->arch.gmap);
        save_fp_regs(&vcpu->arch.guest_fpregs);
        save_access_regs(vcpu->arch.guest_acrs);
        restore_fp_regs(&vcpu->arch.host_fpregs);
@@ -461,7 +464,6 @@ static void __vcpu_run(struct kvm_vcpu *vcpu)
        local_irq_disable();
        kvm_guest_enter();
        local_irq_enable();
-        gmap_enable(vcpu->arch.gmap);
        VCPU_EVENT(vcpu, 6, "entering sie flags %x",
                   atomic_read(&vcpu->arch.sie_block->cpuflags));
        if (sie64a(vcpu->arch.sie_block, vcpu->arch.guest_gprs)) {
@@ -470,7 +472,6 @@ static void __vcpu_run(struct kvm_vcpu *vcpu)
        }
        VCPU_EVENT(vcpu, 6, "exit sie icptcode %d",
                   vcpu->arch.sie_block->icptcode);
-        gmap_disable(vcpu->arch.gmap);
        local_irq_disable();
        kvm_guest_exit();
        local_irq_enable();
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index 4d1f2bce87b3..5d56c2b95b14 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -160,6 +160,8 @@ struct gmap *gmap_alloc(struct mm_struct *mm)
        table = (unsigned long *) page_to_phys(page);
        crst_table_init(table, _REGION1_ENTRY_EMPTY);
        gmap->table = table;
+        gmap->asce = _ASCE_TYPE_REGION1 | _ASCE_TABLE_LENGTH |
+                     _ASCE_USER_BITS | __pa(table);
        list_add(&gmap->list, &mm->context.gmap_list);
        return gmap;
@@ -240,10 +242,6 @@ EXPORT_SYMBOL_GPL(gmap_free);
 */
 void gmap_enable(struct gmap *gmap)
 {
-        /* Load primary space page table origin. */
-        S390_lowcore.user_asce = _ASCE_TYPE_REGION1 | _ASCE_TABLE_LENGTH |
-                                 _ASCE_USER_BITS | __pa(gmap->table);
-        asm volatile("lctlg 1,1,%0\n" : : "m" (S390_lowcore.user_asce) );
        S390_lowcore.gmap = (unsigned long) gmap;
 }
 EXPORT_SYMBOL_GPL(gmap_enable);
@@ -254,10 +252,6 @@ EXPORT_SYMBOL_GPL(gmap_enable);
 */
 void gmap_disable(struct gmap *gmap)
 {
-        /* Load primary space page table origin. */
-        S390_lowcore.user_asce =
-                gmap->mm->context.asce_bits | __pa(gmap->mm->pgd);
-        asm volatile("lctlg 1,1,%0\n" : : "m" (S390_lowcore.user_asce) );
        S390_lowcore.gmap = 0UL;
 }
 EXPORT_SYMBOL_GPL(gmap_disable);
@@ -309,15 +303,15 @@ int gmap_unmap_segment(struct gmap *gmap, unsigned long to, unsigned long len)
                /* Walk the guest addr space page table */
                table = gmap->table + (((to + off) >> 53) & 0x7ff);
                if (*table & _REGION_ENTRY_INV)
-                        return 0;
+                        goto out;
                table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
                table = table + (((to + off) >> 42) & 0x7ff);
                if (*table & _REGION_ENTRY_INV)
-                        return 0;
+                        goto out;
                table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
                table = table + (((to + off) >> 31) & 0x7ff);
                if (*table & _REGION_ENTRY_INV)
-                        return 0;
+                        goto out;
                table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
                table = table + (((to + off) >> 20) & 0x7ff);
@@ -325,6 +319,7 @@ int gmap_unmap_segment(struct gmap *gmap, unsigned long to, unsigned long len)
                flush |= gmap_unlink_segment(gmap, table);
                *table = _SEGMENT_ENTRY_INV;
        }
+out:
        up_read(&gmap->mm->mmap_sem);
        if (flush)
                gmap_flush_tlb(gmap);
diff --git a/arch/sh/include/asm/ptrace.h b/arch/sh/include/asm/ptrace.h
index b97baf81a87b..2d3679b2447f 100644
--- a/arch/sh/include/asm/ptrace.h
+++ b/arch/sh/include/asm/ptrace.h
@@ -123,7 +123,7 @@ static inline unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
 struct perf_event;
 struct perf_sample_data;
-extern void ptrace_triggered(struct perf_event *bp, int nmi,
+extern void ptrace_triggered(struct perf_event *bp,
                      struct perf_sample_data *data, struct pt_regs *regs);
 #define task_pt_regs(task) \
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
index e915deafac89..05559295d2ca 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
@@ -15,6 +15,7 @@
 #include <linux/serial_sci.h>
 #include <linux/io.h>
 #include <linux/mm.h>
+#include <linux/dma-mapping.h>
 #include <linux/sh_timer.h>
 #include <linux/sh_dma.h>
diff --git a/arch/sh/kernel/idle.c b/arch/sh/kernel/idle.c
index 32114e0941ae..db4ecd731a00 100644
--- a/arch/sh/kernel/idle.c
+++ b/arch/sh/kernel/idle.c
@@ -22,7 +22,7 @@
 #include <linux/atomic.h>
 #include <asm/smp.h>
-static void (*pm_idle)(void);
+void (*pm_idle)(void);
 static int hlt_counter;
diff --git a/arch/sh/kernel/syscalls_32.S b/arch/sh/kernel/syscalls_32.S
index 39b051de4c7c..293e39c59c00 100644
--- a/arch/sh/kernel/syscalls_32.S
+++ b/arch/sh/kernel/syscalls_32.S
@@ -185,7 +185,7 @@ ENTRY(sys_call_table)
        .long sys_ni_syscall    /* vm86 */
        .long sys_ni_syscall    /* old "query_module" */
        .long sys_poll
-        .long sys_nfsservctl
+        .long sys_ni_syscall    /* was nfsservctl */
        .long sys_setresgid16   /* 170 */
        .long sys_getresgid16
        .long sys_prctl
diff --git a/arch/sh/kernel/syscalls_64.S b/arch/sh/kernel/syscalls_64.S
index 089c4d825d08..ceb34b94afa9 100644
--- a/arch/sh/kernel/syscalls_64.S
+++ b/arch/sh/kernel/syscalls_64.S
@@ -189,7 +189,7 @@ sys_call_table:
        .long sys_ni_syscall    /* vm86 */
        .long sys_ni_syscall    /* old "query_module" */
        .long sys_poll
-        .long sys_nfsservctl
+        .long sys_ni_syscall    /* was nfsservctl */
        .long sys_setresgid16           /* 170 */
        .long sys_getresgid16
        .long sys_prctl
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index d9006f8ffc14..7bbef95c9d1b 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -316,6 +316,35 @@ static int handle_unaligned_ins(insn_size_t instruction, struct pt_regs *regs,
                        break;
                }
                break;
+        case 9: /* mov.w @(disp,PC),Rn */
+                srcu = (unsigned char __user *)regs->pc;
+                srcu += 4;
+                srcu += (instruction & 0x00FF) << 1;
+                dst = (unsigned char *)rn;
+                *(unsigned long *)dst = 0;
+#if !defined(__LITTLE_ENDIAN__)
+                dst += 2;
+#endif
+                if (ma->from(dst, srcu, 2))
+                        goto fetch_fault;
+                sign_extend(2, dst);
+                ret = 0;
+                break;
+        case 0xd: /* mov.l @(disp,PC),Rn */
+                srcu = (unsigned char __user *)(regs->pc & ~0x3);
+                srcu += 4;
+                srcu += (instruction & 0x00FF) << 2;
+                dst = (unsigned char *)rn;
+                *(unsigned long *)dst = 0;
+                if (ma->from(dst, srcu, 4))
+                        goto fetch_fault;
+                ret = 0;
+                break;
        }
        return ret;
@@ -466,6 +495,7 @@ int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs,
                case 0x0500: /* mov.w @(disp,Rm),R0 */
                        goto simple;
                case 0x0B00: /* bf   lab - no delayslot*/
+                        ret = 0;
                        break;
                case 0x0F00: /* bf/s lab */
                        ret = handle_delayslot(regs, instruction, ma);
@@ -479,6 +509,7 @@ int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs,
                        }
                        break;
                case 0x0900: /* bt   lab - no delayslot */
+                        ret = 0;
                        break;
                case 0x0D00: /* bt/s lab */
                        ret = handle_delayslot(regs, instruction, ma);
@@ -494,6 +525,9 @@ int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs,
                }
                break;
+        case 0x9000: /* mov.w @(disp,Rm),Rn */
+                goto simple;
        case 0xA000: /* bra label */
                ret = handle_delayslot(regs, instruction, ma);
                if (ret==0)
@@ -507,6 +541,9 @@ int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs,
                        regs->pc += SH_PC_12BIT_OFFSET(instruction);
                }
                break;
+        case 0xD000: /* mov.l @(disp,Rm),Rn */
+                goto simple;
        }
        return ret;
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 42c67beadcae..1a6f20d4e7e6 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -55,6 +55,7 @@ config SPARC64
        select PERF_USE_VMALLOC
        select IRQ_PREFLOW_FASTEOI
        select ARCH_HAVE_NMI_SAFE_CMPXCHG
+        select HAVE_C_RECORDMCOUNT
 config ARCH_DEFCONFIG
        string
diff --git a/arch/sparc/include/asm/sigcontext.h b/arch/sparc/include/asm/sigcontext.h
index a1607d180354..69914d748130 100644
--- a/arch/sparc/include/asm/sigcontext.h
+++ b/arch/sparc/include/asm/sigcontext.h
@@ -45,6 +45,19 @@ typedef struct {
        int                     si_mask;
 } __siginfo32_t;
+#define __SIGC_MAXWIN   7
+typedef struct {
+        unsigned long locals[8];
+        unsigned long ins[8];
+} __siginfo_reg_window;
+typedef struct {
+        int                     wsaved;
+        __siginfo_reg_window    reg_window[__SIGC_MAXWIN];
+        unsigned long           rwbuf_stkptrs[__SIGC_MAXWIN];
+} __siginfo_rwin_t;
 #ifdef CONFIG_SPARC64
 typedef struct {
        unsigned   int si_float_regs [64];
@@ -73,6 +86,7 @@ struct sigcontext {
                unsigned long   ss_size;
        }                       sigc_stack;
        unsigned long           sigc_mask;
+        __siginfo_rwin_t *      sigc_rwin_save;
 };
 #else
diff --git a/arch/sparc/include/asm/spinlock_32.h b/arch/sparc/include/asm/spinlock_32.h
index 5f5b8bf3f50d..bcc98fc35281 100644
--- a/arch/sparc/include/asm/spinlock_32.h
+++ b/arch/sparc/include/asm/spinlock_32.h
@@ -131,6 +131,15 @@ static inline void arch_write_lock(arch_rwlock_t *rw)
        *(volatile __u32 *)&lp->lock = ~0U;
 }
+static void inline arch_write_unlock(arch_rwlock_t *lock)
+{
+        __asm__ __volatile__(
+"       st              %%g0, [%0]"
+        : /* no outputs */
+        : "r" (lock)
+        : "memory");
+}
 static inline int arch_write_trylock(arch_rwlock_t *rw)
 {
        unsigned int val;
@@ -175,8 +184,6 @@ static inline int __arch_read_trylock(arch_rwlock_t *rw)
        res; \
 })
-#define arch_write_unlock(rw)   do { (rw)->lock = 0; } while(0)
 #define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock)
 #define arch_read_lock_flags(rw, flags)   arch_read_lock(rw)
 #define arch_write_lock_flags(rw, flags)  arch_write_lock(rw)
diff --git a/arch/sparc/include/asm/spinlock_64.h b/arch/sparc/include/asm/spinlock_64.h
index 073936a8b275..968917694978 100644
--- a/arch/sparc/include/asm/spinlock_64.h
+++ b/arch/sparc/include/asm/spinlock_64.h
@@ -210,14 +210,8 @@ static int inline arch_write_trylock(arch_rwlock_t *lock)
        return result;
 }
-#define arch_read_lock(p)       arch_read_lock(p)
 #define arch_read_lock_flags(p, f) arch_read_lock(p)
-#define arch_read_trylock(p)    arch_read_trylock(p)
-#define arch_read_unlock(p)     arch_read_unlock(p)
-#define arch_write_lock(p)      arch_write_lock(p)
 #define arch_write_lock_flags(p, f) arch_write_lock(p)
-#define arch_write_unlock(p)    arch_write_unlock(p)
-#define arch_write_trylock(p)   arch_write_trylock(p)
 #define arch_read_can_lock(rw)          (!((rw)->lock & 0x80000000UL))
 #define arch_write_can_lock(rw) (!(rw)->lock)
diff --git a/arch/sparc/include/asm/spitfire.h b/arch/sparc/include/asm/spitfire.h
index 55a17c6efeb8..d06a26601753 100644
--- a/arch/sparc/include/asm/spitfire.h
+++ b/arch/sparc/include/asm/spitfire.h
@@ -43,6 +43,8 @@
 #define SUN4V_CHIP_NIAGARA1     0x01
 #define SUN4V_CHIP_NIAGARA2     0x02
 #define SUN4V_CHIP_NIAGARA3     0x03
+#define SUN4V_CHIP_NIAGARA4     0x04
+#define SUN4V_CHIP_NIAGARA5     0x05
 #define SUN4V_CHIP_UNKNOWN      0xff
 #ifndef __ASSEMBLY__
diff --git a/arch/sparc/include/asm/xor_64.h b/arch/sparc/include/asm/xor_64.h
index 9ed6ff679ab7..ee8edc68423e 100644
--- a/arch/sparc/include/asm/xor_64.h
+++ b/arch/sparc/include/asm/xor_64.h
@@ -66,6 +66,8 @@ static struct xor_block_template xor_block_niagara = {
        ((tlb_type == hypervisor && \
          (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 || \
           sun4v_chip_type == SUN4V_CHIP_NIAGARA2 || \
-           sun4v_chip_type == SUN4V_CHIP_NIAGARA3)) ? \
+           sun4v_chip_type == SUN4V_CHIP_NIAGARA3 || \
+           sun4v_chip_type == SUN4V_CHIP_NIAGARA4 || \
+           sun4v_chip_type == SUN4V_CHIP_NIAGARA5)) ? \
         &xor_block_niagara : \
         &xor_block_VIS)
diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
index b90b4a1d070a..cb85458f89d2 100644
--- a/arch/sparc/kernel/Makefile
+++ b/arch/sparc/kernel/Makefile
@@ -32,6 +32,7 @@ obj-$(CONFIG_SPARC32)   += sun4m_irq.o sun4c_irq.o sun4d_irq.o
 obj-y                   += process_$(BITS).o
 obj-y                   += signal_$(BITS).o
+obj-y                   += sigutil_$(BITS).o
 obj-$(CONFIG_SPARC32)   += ioport.o
 obj-y                   += setup_$(BITS).o
 obj-y                   += idprom.o
diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c
index 9810fd881058..ba9b1cec4e6b 100644
--- a/arch/sparc/kernel/cpu.c
+++ b/arch/sparc/kernel/cpu.c
@@ -481,6 +481,18 @@ static void __init sun4v_cpu_probe(void)
                sparc_pmu_type = "niagara3";
                break;
+        case SUN4V_CHIP_NIAGARA4:
+                sparc_cpu_type = "UltraSparc T4 (Niagara4)";
+                sparc_fpu_type = "UltraSparc T4 integrated FPU";
+                sparc_pmu_type = "niagara4";
+                break;
+        case SUN4V_CHIP_NIAGARA5:
+                sparc_cpu_type = "UltraSparc T5 (Niagara5)";
+                sparc_fpu_type = "UltraSparc T5 integrated FPU";
+                sparc_pmu_type = "niagara5";
+                break;
        default:
                printk(KERN_WARNING "CPU: Unknown sun4v cpu type [%s]\n",
                       prom_cpu_compatible);
diff --git a/arch/sparc/kernel/cpumap.c b/arch/sparc/kernel/cpumap.c
index 4197e8d62d4c..9323eafccb93 100644
--- a/arch/sparc/kernel/cpumap.c
+++ b/arch/sparc/kernel/cpumap.c
@@ -325,6 +325,8 @@ static int iterate_cpu(struct cpuinfo_tree *t, unsigned int root_index)
        case SUN4V_CHIP_NIAGARA1:
        case SUN4V_CHIP_NIAGARA2:
        case SUN4V_CHIP_NIAGARA3:
+        case SUN4V_CHIP_NIAGARA4:
+        case SUN4V_CHIP_NIAGARA5:
                rover_inc_table = niagara_iterate_method;
                break;
        default:
diff --git a/arch/sparc/kernel/ds.c b/arch/sparc/kernel/ds.c
index 490e5418740d..7429b47c3aca 100644
--- a/arch/sparc/kernel/ds.c
+++ b/arch/sparc/kernel/ds.c
@@ -1256,13 +1256,14 @@ static int __init ds_init(void)
 {
        unsigned long hv_ret, major, minor;
-        hv_ret = sun4v_get_version(HV_GRP_REBOOT_DATA, &major, &minor);
+        if (tlb_type == hypervisor) {
-        if (hv_ret == HV_EOK) {
+                hv_ret = sun4v_get_version(HV_GRP_REBOOT_DATA, &major, &minor);
-                pr_info("SUN4V: Reboot data supported (maj=%lu,min=%lu).\n",
+                if (hv_ret == HV_EOK) {
-                        major, minor);
+                        pr_info("SUN4V: Reboot data supported (maj=%lu,min=%lu).\n",
-                reboot_data_supported = 1;
+                                major, minor);
+                        reboot_data_supported = 1;
+                }
        }
        kthread_run(ds_thread, NULL, "kldomd");
        return vio_register_driver(&ds_driver);
diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S
index 0eac1b2fc53d..0d810c2f1d00 100644
--- a/arch/sparc/kernel/head_64.S
+++ b/arch/sparc/kernel/head_64.S
@@ -133,7 +133,7 @@ prom_sun4v_name:
 prom_niagara_prefix:
        .asciz  "SUNW,UltraSPARC-T"
 prom_sparc_prefix:
-        .asciz  "SPARC-T"
+        .asciz  "SPARC-"
        .align  4
 prom_root_compatible:
        .skip   64
@@ -396,7 +396,7 @@ sun4v_chip_type:
        or      %g1, %lo(prom_cpu_compatible), %g1
        sethi   %hi(prom_sparc_prefix), %g7
        or      %g7, %lo(prom_sparc_prefix), %g7
-        mov     7, %g3
+        mov     6, %g3
 90:     ldub    [%g7], %g2
        ldub    [%g1], %g4
        cmp     %g2, %g4
@@ -408,10 +408,23 @@ sun4v_chip_type:
        sethi   %hi(prom_cpu_compatible), %g1
        or      %g1, %lo(prom_cpu_compatible), %g1
-        ldub    [%g1 + 7], %g2
+        ldub    [%g1 + 6], %g2
+        cmp     %g2, 'T'
+        be,pt   %xcc, 70f
+         cmp    %g2, 'M'
+        bne,pn  %xcc, 4f
+         nop
+70:     ldub    [%g1 + 7], %g2
        cmp     %g2, '3'
        be,pt   %xcc, 5f
         mov    SUN4V_CHIP_NIAGARA3, %g4
+        cmp     %g2, '4'
+        be,pt   %xcc, 5f
+         mov    SUN4V_CHIP_NIAGARA4, %g4
+        cmp     %g2, '5'
+        be,pt   %xcc, 5f
+         mov    SUN4V_CHIP_NIAGARA5, %g4
        ba,pt   %xcc, 4f
         nop
@@ -545,6 +558,12 @@ niagara_tlb_fixup:
        cmp     %g1, SUN4V_CHIP_NIAGARA3
        be,pt   %xcc, niagara2_patch
         nop
+        cmp     %g1, SUN4V_CHIP_NIAGARA4
+        be,pt   %xcc, niagara2_patch
+         nop
+        cmp     %g1, SUN4V_CHIP_NIAGARA5
+        be,pt   %xcc, niagara2_patch
+         nop
        call    generic_patch_copyops
         nop
diff --git a/arch/sparc/kernel/irq.h b/arch/sparc/kernel/irq.h
index 100b9c204e78..42851122bbd9 100644
--- a/arch/sparc/kernel/irq.h
+++ b/arch/sparc/kernel/irq.h
@@ -88,7 +88,7 @@ BTFIXUPDEF_CALL(void, set_irq_udt, int)
 #define set_irq_udt(cpu) BTFIXUP_CALL(set_irq_udt)(cpu)
 /* All SUN4D IPIs are sent on this IRQ, may be shared with hard IRQs */
-#define SUN4D_IPI_IRQ 14
+#define SUN4D_IPI_IRQ 13
 extern void sun4d_ipi_interrupt(void);
diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c
index a19f04195478..1aaf8c180be5 100644
--- a/arch/sparc/kernel/pcic.c
+++ b/arch/sparc/kernel/pcic.c
@@ -352,8 +352,8 @@ int __init pcic_probe(void)
        strcpy(pbm->prom_name, namebuf);
        {
-                extern volatile int t_nmi[1];
+                extern volatile int t_nmi[4];
-                extern int pcic_nmi_trap_patch[1];
+                extern int pcic_nmi_trap_patch[4];
                t_nmi[0] = pcic_nmi_trap_patch[0];
                t_nmi[1] = pcic_nmi_trap_patch[1];
diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c
index c8cc461ff75f..f793742eec2b 100644
--- a/arch/sparc/kernel/process_32.c
+++ b/arch/sparc/kernel/process_32.c
@@ -380,8 +380,7 @@ void flush_thread(void)
 #endif
        }
-        /* Now, this task is no longer a kernel thread. */
+        /* This task is no longer a kernel thread. */
-        current->thread.current_ds = USER_DS;
        if (current->thread.flags & SPARC_FLAG_KTHREAD) {
                current->thread.flags &= ~SPARC_FLAG_KTHREAD;
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index c158a95ec664..d959cd0a4aa4 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -368,9 +368,6 @@ void flush_thread(void)
        /* Clear FPU register state. */
        t->fpsaved[0] = 0;
-        
-        if (get_thread_current_ds() != ASI_AIUS)
-                set_fs(USER_DS);
 }
 /* It's a bit more tricky when 64-bit tasks are involved... */
diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c
index d26e1f6c717a..3e3e2914c70b 100644
--- a/arch/sparc/kernel/setup_32.c
+++ b/arch/sparc/kernel/setup_32.c
@@ -137,7 +137,7 @@ static void __init process_switch(char c)
                prom_halt();
                break;
        case 'p':
-                /* Just ignore, this behavior is now the default.  */
+                prom_early_console.flags &= ~CON_BOOT;
                break;
        default:
                printk("Unknown boot switch (-%c)\n", c);
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c
index 3e9daea1653d..c965595aa7e9 100644
--- a/arch/sparc/kernel/setup_64.c
+++ b/arch/sparc/kernel/setup_64.c
@@ -106,7 +106,7 @@ static void __init process_switch(char c)
                prom_halt();
                break;
        case 'p':
-                /* Just ignore, this behavior is now the default.  */
+                prom_early_console.flags &= ~CON_BOOT;
                break;
        case 'P':
                /* Force UltraSPARC-III P-Cache on. */
@@ -425,10 +425,14 @@ static void __init init_sparc64_elf_hwcap(void)
        else if (tlb_type == hypervisor) {
                if (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 ||
                    sun4v_chip_type == SUN4V_CHIP_NIAGARA2 ||
-                    sun4v_chip_type == SUN4V_CHIP_NIAGARA3)
+                    sun4v_chip_type == SUN4V_CHIP_NIAGARA3 ||
+                    sun4v_chip_type == SUN4V_CHIP_NIAGARA4 ||
+                    sun4v_chip_type == SUN4V_CHIP_NIAGARA5)
                        cap |= HWCAP_SPARC_BLKINIT;
                if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2 ||
-                    sun4v_chip_type == SUN4V_CHIP_NIAGARA3)
+                    sun4v_chip_type == SUN4V_CHIP_NIAGARA3 ||
+                    sun4v_chip_type == SUN4V_CHIP_NIAGARA4 ||
+                    sun4v_chip_type == SUN4V_CHIP_NIAGARA5)
                        cap |= HWCAP_SPARC_N2;
        }
@@ -440,17 +444,27 @@ static void __init init_sparc64_elf_hwcap(void)
                        cap |= AV_SPARC_VIS;
                if (tlb_type == cheetah || tlb_type == cheetah_plus)
                        cap |= AV_SPARC_VIS | AV_SPARC_VIS2;
-                if (tlb_type == cheetah_plus)
+                if (tlb_type == cheetah_plus) {
-                        cap |= AV_SPARC_POPC;
+                        unsigned long impl, ver;
+                        __asm__ __volatile__("rdpr %%ver, %0" : "=r" (ver));
+                        impl = ((ver >> 32) & 0xffff);
+                        if (impl == PANTHER_IMPL)
+                                cap |= AV_SPARC_POPC;
+                }
                if (tlb_type == hypervisor) {
                        if (sun4v_chip_type == SUN4V_CHIP_NIAGARA1)
                                cap |= AV_SPARC_ASI_BLK_INIT;
                        if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2 ||
-                            sun4v_chip_type == SUN4V_CHIP_NIAGARA3)
+                            sun4v_chip_type == SUN4V_CHIP_NIAGARA3 ||
+                            sun4v_chip_type == SUN4V_CHIP_NIAGARA4 ||
+                            sun4v_chip_type == SUN4V_CHIP_NIAGARA5)
                                cap |= (AV_SPARC_VIS | AV_SPARC_VIS2 |
                                        AV_SPARC_ASI_BLK_INIT |
                                        AV_SPARC_POPC);
-                        if (sun4v_chip_type == SUN4V_CHIP_NIAGARA3)
+                        if (sun4v_chip_type == SUN4V_CHIP_NIAGARA3 ||
+                            sun4v_chip_type == SUN4V_CHIP_NIAGARA4 ||
+                            sun4v_chip_type == SUN4V_CHIP_NIAGARA5)
                                cap |= (AV_SPARC_VIS3 | AV_SPARC_HPC |
                                        AV_SPARC_FMAF);
                }
diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index 75fad425e249..1ba95aff5d59 100644
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -29,6 +29,8 @@
 #include <asm/visasm.h>
 #include <asm/compat_signal.h>
+#include "sigutil.h"
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 /* This magic should be in g_upper[0] for all upper parts
@@ -44,14 +46,14 @@ typedef struct {
 struct signal_frame32 {
        struct sparc_stackf32   ss;
        __siginfo32_t           info;
-        /* __siginfo_fpu32_t * */ u32 fpu_save;
+        /* __siginfo_fpu_t * */ u32 fpu_save;
        unsigned int            insns[2];
        unsigned int            extramask[_COMPAT_NSIG_WORDS - 1];
        unsigned int            extra_size; /* Should be sizeof(siginfo_extra_v8plus_t) */
        /* Only valid if (info.si_regs.psr & (PSR_VERS|PSR_IMPL)) == PSR_V8PLUS */
        siginfo_extra_v8plus_t  v8plus;
-        __siginfo_fpu_t         fpu_state;
+        /* __siginfo_rwin_t * */u32 rwin_save;
-};
+} __attribute__((aligned(8)));
 typedef struct compat_siginfo{
        int si_signo;
@@ -110,18 +112,14 @@ struct rt_signal_frame32 {
        compat_siginfo_t        info;
        struct pt_regs32        regs;
        compat_sigset_t         mask;
-        /* __siginfo_fpu32_t * */ u32 fpu_save;
+        /* __siginfo_fpu_t * */ u32 fpu_save;
        unsigned int            insns[2];
        stack_t32               stack;
        unsigned int            extra_size; /* Should be sizeof(siginfo_extra_v8plus_t) */
        /* Only valid if (regs.psr & (PSR_VERS|PSR_IMPL)) == PSR_V8PLUS */
        siginfo_extra_v8plus_t  v8plus;
-        __siginfo_fpu_t         fpu_state;
+        /* __siginfo_rwin_t * */u32 rwin_save;
-};
+} __attribute__((aligned(8)));
-/* Align macros */
-#define SF_ALIGNEDSZ  (((sizeof(struct signal_frame32) + 15) & (~15)))
-#define RT_ALIGNEDSZ  (((sizeof(struct rt_signal_frame32) + 15) & (~15)))
 int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
 {
@@ -192,30 +190,13 @@ int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
        return 0;
 }
-static int restore_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
-{
-        unsigned long *fpregs = current_thread_info()->fpregs;
-        unsigned long fprs;
-        int err;
-        
-        err = __get_user(fprs, &fpu->si_fprs);
-        fprs_write(0);
-        regs->tstate &= ~TSTATE_PEF;
-        if (fprs & FPRS_DL)
-                err |= copy_from_user(fpregs, &fpu->si_float_regs[0], (sizeof(unsigned int) * 32));
-        if (fprs & FPRS_DU)
-                err |= copy_from_user(fpregs+16, &fpu->si_float_regs[32], (sizeof(unsigned int) * 32));
-        err |= __get_user(current_thread_info()->xfsr[0], &fpu->si_fsr);
-        err |= __get_user(current_thread_info()->gsr[0], &fpu->si_gsr);
-        current_thread_info()->fpsaved[0] |= fprs;
-        return err;
-}
 void do_sigreturn32(struct pt_regs *regs)
 {
        struct signal_frame32 __user *sf;
+        compat_uptr_t fpu_save;
+        compat_uptr_t rwin_save;
        unsigned int psr;
-        unsigned pc, npc, fpu_save;
+        unsigned pc, npc;
        sigset_t set;
        unsigned seta[_COMPAT_NSIG_WORDS];
        int err, i;
@@ -273,8 +254,13 @@ void do_sigreturn32(struct pt_regs *regs)
        pt_regs_clear_syscall(regs);
        err |= __get_user(fpu_save, &sf->fpu_save);
-        if (fpu_save)
+        if (!err && fpu_save)
-                err |= restore_fpu_state32(regs, &sf->fpu_state);
+                err |= restore_fpu_state(regs, compat_ptr(fpu_save));
+        err |= __get_user(rwin_save, &sf->rwin_save);
+        if (!err && rwin_save) {
+                if (restore_rwin_state(compat_ptr(rwin_save)))
+                        goto segv;
+        }
        err |= __get_user(seta[0], &sf->info.si_mask);
        err |= copy_from_user(seta+1, &sf->extramask,
                              (_COMPAT_NSIG_WORDS - 1) * sizeof(unsigned int));
@@ -300,7 +286,9 @@ segv:
 asmlinkage void do_rt_sigreturn32(struct pt_regs *regs)
 {
        struct rt_signal_frame32 __user *sf;
-        unsigned int psr, pc, npc, fpu_save, u_ss_sp;
+        unsigned int psr, pc, npc, u_ss_sp;
+        compat_uptr_t fpu_save;
+        compat_uptr_t rwin_save;
        mm_segment_t old_fs;
        sigset_t set;
        compat_sigset_t seta;
@@ -359,8 +347,8 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs)
        pt_regs_clear_syscall(regs);
        err |= __get_user(fpu_save, &sf->fpu_save);
-        if (fpu_save)
+        if (!err && fpu_save)
-                err |= restore_fpu_state32(regs, &sf->fpu_state);
+                err |= restore_fpu_state(regs, compat_ptr(fpu_save));
        err |= copy_from_user(&seta, &sf->mask, sizeof(compat_sigset_t));
        err |= __get_user(u_ss_sp, &sf->stack.ss_sp);
        st.ss_sp = compat_ptr(u_ss_sp);
@@ -376,6 +364,12 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs)
        do_sigaltstack((stack_t __user *) &st, NULL, (unsigned long)sf);
        set_fs(old_fs);
        
+        err |= __get_user(rwin_save, &sf->rwin_save);
+        if (!err && rwin_save) {
+                if (restore_rwin_state(compat_ptr(rwin_save)))
+                        goto segv;
+        }
        switch (_NSIG_WORDS) {
                case 4: set.sig[3] = seta.sig[6] + (((long)seta.sig[7]) << 32);
                case 3: set.sig[2] = seta.sig[4] + (((long)seta.sig[5]) << 32);
@@ -433,26 +427,6 @@ static void __user *get_sigframe(struct sigaction *sa, struct pt_regs *regs, uns
        return (void __user *) sp;
 }
-static int save_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
-{
-        unsigned long *fpregs = current_thread_info()->fpregs;
-        unsigned long fprs;
-        int err = 0;
-        
-        fprs = current_thread_info()->fpsaved[0];
-        if (fprs & FPRS_DL)
-                err |= copy_to_user(&fpu->si_float_regs[0], fpregs,
-                                    (sizeof(unsigned int) * 32));
-        if (fprs & FPRS_DU)
-                err |= copy_to_user(&fpu->si_float_regs[32], fpregs+16,
-                                    (sizeof(unsigned int) * 32));
-        err |= __put_user(current_thread_info()->xfsr[0], &fpu->si_fsr);
-        err |= __put_user(current_thread_info()->gsr[0], &fpu->si_gsr);
-        err |= __put_user(fprs, &fpu->si_fprs);
-        return err;
-}
 /* The I-cache flush instruction only works in the primary ASI, which
 * right now is the nucleus, aka. kernel space.
 *
@@ -515,18 +489,23 @@ static int setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
                         int signo, sigset_t *oldset)
 {
        struct signal_frame32 __user *sf;
+        int i, err, wsaved;
+        void __user *tail;
        int sigframe_size;
        u32 psr;
-        int i, err;
        unsigned int seta[_COMPAT_NSIG_WORDS];
        /* 1. Make sure everything is clean */
        synchronize_user_stack();
        save_and_clear_fpu();
        
-        sigframe_size = SF_ALIGNEDSZ;
+        wsaved = get_thread_wsaved();
-        if (!(current_thread_info()->fpsaved[0] & FPRS_FEF))
-                sigframe_size -= sizeof(__siginfo_fpu_t);
+        sigframe_size = sizeof(*sf);
+        if (current_thread_info()->fpsaved[0] & FPRS_FEF)
+                sigframe_size += sizeof(__siginfo_fpu_t);
+        if (wsaved)
+                sigframe_size += sizeof(__siginfo_rwin_t);
        sf = (struct signal_frame32 __user *)
                get_sigframe(&ka->sa, regs, sigframe_size);
@@ -534,8 +513,7 @@ static int setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
        if (invalid_frame_pointer(sf, sigframe_size))
                goto sigill;
-        if (get_thread_wsaved() != 0)
+        tail = (sf + 1);
-                goto sigill;
        /* 2. Save the current process state */
        if (test_thread_flag(TIF_32BIT)) {
@@ -560,11 +538,22 @@ static int setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
                          &sf->v8plus.asi);
        if (psr & PSR_EF) {
-                err |= save_fpu_state32(regs, &sf->fpu_state);
+                __siginfo_fpu_t __user *fp = tail;
-                err |= __put_user((u64)&sf->fpu_state, &sf->fpu_save);
+                tail += sizeof(*fp);
+                err |= save_fpu_state(regs, fp);
+                err |= __put_user((u64)fp, &sf->fpu_save);
        } else {
                err |= __put_user(0, &sf->fpu_save);
        }
+        if (wsaved) {
+                __siginfo_rwin_t __user *rwp = tail;
+                tail += sizeof(*rwp);
+                err |= save_rwin_state(wsaved, rwp);
+                err |= __put_user((u64)rwp, &sf->rwin_save);
+                set_thread_wsaved(0);
+        } else {
+                err |= __put_user(0, &sf->rwin_save);
+        }
        switch (_NSIG_WORDS) {
        case 4: seta[7] = (oldset->sig[3] >> 32);
@@ -580,10 +569,21 @@ static int setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
        err |= __copy_to_user(sf->extramask, seta + 1,
                              (_COMPAT_NSIG_WORDS - 1) * sizeof(unsigned int));
-        err |= copy_in_user((u32 __user *)sf,
+        if (!wsaved) {
-                            (u32 __user *)(regs->u_regs[UREG_FP]),
+                err |= copy_in_user((u32 __user *)sf,
-                            sizeof(struct reg_window32));
+                                    (u32 __user *)(regs->u_regs[UREG_FP]),
-        
+                                    sizeof(struct reg_window32));
+        } else {
+                struct reg_window *rp;
+                rp = &current_thread_info()->reg_window[wsaved - 1];
+                for (i = 0; i < 8; i++)
+                        err |= __put_user(rp->locals[i], &sf->ss.locals[i]);
+                for (i = 0; i < 6; i++)
+                        err |= __put_user(rp->ins[i], &sf->ss.ins[i]);
+                err |= __put_user(rp->ins[6], &sf->ss.fp);
+                err |= __put_user(rp->ins[7], &sf->ss.callers_pc);
+        }       
        if (err)
                goto sigsegv;
@@ -613,7 +613,6 @@ static int setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
                err |= __put_user(0x91d02010, &sf->insns[1]); /*t 0x10*/
                if (err)
                        goto sigsegv;
                flush_signal_insns(address);
        }
        return 0;
@@ -632,18 +631,23 @@ static int setup_rt_frame32(struct k_sigaction *ka, struct pt_regs *regs,
                            siginfo_t *info)
 {
        struct rt_signal_frame32 __user *sf;
+        int i, err, wsaved;
+        void __user *tail;
        int sigframe_size;
        u32 psr;
-        int i, err;
        compat_sigset_t seta;
        /* 1. Make sure everything is clean */
        synchronize_user_stack();
        save_and_clear_fpu();
        
-        sigframe_size = RT_ALIGNEDSZ;
+        wsaved = get_thread_wsaved();
-        if (!(current_thread_info()->fpsaved[0] & FPRS_FEF))
-                sigframe_size -= sizeof(__siginfo_fpu_t);
+        sigframe_size = sizeof(*sf);
+        if (current_thread_info()->fpsaved[0] & FPRS_FEF)
+                sigframe_size += sizeof(__siginfo_fpu_t);
+        if (wsaved)
+                sigframe_size += sizeof(__siginfo_rwin_t);
        sf = (struct rt_signal_frame32 __user *)
                get_sigframe(&ka->sa, regs, sigframe_size);
@@ -651,8 +655,7 @@ static int setup_rt_frame32(struct k_sigaction *ka, struct pt_regs *regs,
        if (invalid_frame_pointer(sf, sigframe_size))
                goto sigill;
-        if (get_thread_wsaved() != 0)
+        tail = (sf + 1);
-                goto sigill;
        /* 2. Save the current process state */
        if (test_thread_flag(TIF_32BIT)) {
@@ -677,11 +680,22 @@ static int setup_rt_frame32(struct k_sigaction *ka, struct pt_regs *regs,
                          &sf->v8plus.asi);
        if (psr & PSR_EF) {
-                err |= save_fpu_state32(regs, &sf->fpu_state);
+                __siginfo_fpu_t __user *fp = tail;
-                err |= __put_user((u64)&sf->fpu_state, &sf->fpu_save);
+                tail += sizeof(*fp);
+                err |= save_fpu_state(regs, fp);
+                err |= __put_user((u64)fp, &sf->fpu_save);
        } else {
                err |= __put_user(0, &sf->fpu_save);
        }
+        if (wsaved) {
+                __siginfo_rwin_t __user *rwp = tail;
+                tail += sizeof(*rwp);
+                err |= save_rwin_state(wsaved, rwp);
+                err |= __put_user((u64)rwp, &sf->rwin_save);
+                set_thread_wsaved(0);
+        } else {
+                err |= __put_user(0, &sf->rwin_save);
+        }
        /* Update the siginfo structure.  */
        err |= copy_siginfo_to_user32(&sf->info, info);
@@ -703,9 +717,21 @@ static int setup_rt_frame32(struct k_sigaction *ka, struct pt_regs *regs,
        }
        err |= __copy_to_user(&sf->mask, &seta, sizeof(compat_sigset_t));
-        err |= copy_in_user((u32 __user *)sf,
+        if (!wsaved) {
-                            (u32 __user *)(regs->u_regs[UREG_FP]),
+                err |= copy_in_user((u32 __user *)sf,
-                            sizeof(struct reg_window32));
+                                    (u32 __user *)(regs->u_regs[UREG_FP]),
+                                    sizeof(struct reg_window32));
+        } else {
+                struct reg_window *rp;
+                rp = &current_thread_info()->reg_window[wsaved - 1];
+                for (i = 0; i < 8; i++)
+                        err |= __put_user(rp->locals[i], &sf->ss.locals[i]);
+                for (i = 0; i < 6; i++)
+                        err |= __put_user(rp->ins[i], &sf->ss.ins[i]);
+                err |= __put_user(rp->ins[6], &sf->ss.fp);
+                err |= __put_user(rp->ins[7], &sf->ss.callers_pc);
+        }
        if (err)
                goto sigsegv;
        
diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c
index 5e5c5fd03783..04ede8f04add 100644
--- a/arch/sparc/kernel/signal_32.c
+++ b/arch/sparc/kernel/signal_32.c
@@ -26,6 +26,8 @@
 #include <asm/pgtable.h>
 #include <asm/cacheflush.h>     /* flush_sig_insns */
+#include "sigutil.h"
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
@@ -39,8 +41,8 @@ struct signal_frame {
        unsigned long           insns[2] __attribute__ ((aligned (8)));
        unsigned int            extramask[_NSIG_WORDS - 1];
        unsigned int            extra_size; /* Should be 0 */
-        __siginfo_fpu_t         fpu_state;
+        __siginfo_rwin_t __user *rwin_save;
-};
+} __attribute__((aligned(8)));
 struct rt_signal_frame {
        struct sparc_stackf     ss;
@@ -51,8 +53,8 @@ struct rt_signal_frame {
        unsigned int            insns[2];
        stack_t                 stack;
        unsigned int            extra_size; /* Should be 0 */
-        __siginfo_fpu_t         fpu_state;
+        __siginfo_rwin_t __user *rwin_save;
-};
+} __attribute__((aligned(8)));
 /* Align macros */
 #define SF_ALIGNEDSZ  (((sizeof(struct signal_frame) + 7) & (~7)))
@@ -79,43 +81,13 @@ asmlinkage int sys_sigsuspend(old_sigset_t set)
        return _sigpause_common(set);
 }
-static inline int
-restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
-{
-        int err;
-#ifdef CONFIG_SMP
-        if (test_tsk_thread_flag(current, TIF_USEDFPU))
-                regs->psr &= ~PSR_EF;
-#else
-        if (current == last_task_used_math) {
-                last_task_used_math = NULL;
-                regs->psr &= ~PSR_EF;
-        }
-#endif
-        set_used_math();
-        clear_tsk_thread_flag(current, TIF_USEDFPU);
-        if (!access_ok(VERIFY_READ, fpu, sizeof(*fpu)))
-                return -EFAULT;
-        err = __copy_from_user(&current->thread.float_regs[0], &fpu->si_float_regs[0],
-                               (sizeof(unsigned long) * 32));
-        err |= __get_user(current->thread.fsr, &fpu->si_fsr);
-        err |= __get_user(current->thread.fpqdepth, &fpu->si_fpqdepth);
-        if (current->thread.fpqdepth != 0)
-                err |= __copy_from_user(&current->thread.fpqueue[0],
-                                        &fpu->si_fpqueue[0],
-                                        ((sizeof(unsigned long) +
-                                        (sizeof(unsigned long *)))*16));
-        return err;
-}
 asmlinkage void do_sigreturn(struct pt_regs *regs)
 {
        struct signal_frame __user *sf;
        unsigned long up_psr, pc, npc;
        sigset_t set;
        __siginfo_fpu_t __user *fpu_save;
+        __siginfo_rwin_t __user *rwin_save;
        int err;
        /* Always make any pending restarted system calls return -EINTR */
@@ -150,9 +122,11 @@ asmlinkage void do_sigreturn(struct pt_regs *regs)
        pt_regs_clear_syscall(regs);
        err |= __get_user(fpu_save, &sf->fpu_save);
        if (fpu_save)
                err |= restore_fpu_state(regs, fpu_save);
+        err |= __get_user(rwin_save, &sf->rwin_save);
+        if (rwin_save)
+                err |= restore_rwin_state(rwin_save);
        /* This is pretty much atomic, no amount locking would prevent
         * the races which exist anyways.
@@ -180,6 +154,7 @@ asmlinkage void do_rt_sigreturn(struct pt_regs *regs)
        struct rt_signal_frame __user *sf;
        unsigned int psr, pc, npc;
        __siginfo_fpu_t __user *fpu_save;
+        __siginfo_rwin_t __user *rwin_save;
        mm_segment_t old_fs;
        sigset_t set;
        stack_t st;
@@ -207,8 +182,7 @@ asmlinkage void do_rt_sigreturn(struct pt_regs *regs)
        pt_regs_clear_syscall(regs);
        err |= __get_user(fpu_save, &sf->fpu_save);
+        if (!err && fpu_save)
-        if (fpu_save)
                err |= restore_fpu_state(regs, fpu_save);
        err |= __copy_from_user(&set, &sf->mask, sizeof(sigset_t));
        
@@ -228,6 +202,12 @@ asmlinkage void do_rt_sigreturn(struct pt_regs *regs)
        do_sigaltstack((const stack_t __user *) &st, NULL, (unsigned long)sf);
        set_fs(old_fs);
+        err |= __get_user(rwin_save, &sf->rwin_save);
+        if (!err && rwin_save) {
+                if (restore_rwin_state(rwin_save))
+                        goto segv;
+        }
        sigdelsetmask(&set, ~_BLOCKABLE);
        spin_lock_irq(&current->sighand->siglock);
        current->blocked = set;
@@ -280,53 +260,23 @@ static inline void __user *get_sigframe(struct sigaction *sa, struct pt_regs *re
        return (void __user *) sp;
 }
-static inline int
-save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
-{
-        int err = 0;
-#ifdef CONFIG_SMP
-        if (test_tsk_thread_flag(current, TIF_USEDFPU)) {
-                put_psr(get_psr() | PSR_EF);
-                fpsave(&current->thread.float_regs[0], &current->thread.fsr,
-                       &current->thread.fpqueue[0], &current->thread.fpqdepth);
-                regs->psr &= ~(PSR_EF);
-                clear_tsk_thread_flag(current, TIF_USEDFPU);
-        }
-#else
-        if (current == last_task_used_math) {
-                put_psr(get_psr() | PSR_EF);
-                fpsave(&current->thread.float_regs[0], &current->thread.fsr,
-                       &current->thread.fpqueue[0], &current->thread.fpqdepth);
-                last_task_used_math = NULL;
-                regs->psr &= ~(PSR_EF);
-        }
-#endif
-        err |= __copy_to_user(&fpu->si_float_regs[0],
-                              &current->thread.float_regs[0],
-                              (sizeof(unsigned long) * 32));
-        err |= __put_user(current->thread.fsr, &fpu->si_fsr);
-        err |= __put_user(current->thread.fpqdepth, &fpu->si_fpqdepth);
-        if (current->thread.fpqdepth != 0)
-                err |= __copy_to_user(&fpu->si_fpqueue[0],
-                                      &current->thread.fpqueue[0],
-                                      ((sizeof(unsigned long) +
-                                      (sizeof(unsigned long *)))*16));
-        clear_used_math();
-        return err;
-}
 static int setup_frame(struct k_sigaction *ka, struct pt_regs *regs,
                       int signo, sigset_t *oldset)
 {
        struct signal_frame __user *sf;
-        int sigframe_size, err;
+        int sigframe_size, err, wsaved;
+        void __user *tail;
        /* 1. Make sure everything is clean */
        synchronize_user_stack();
-        sigframe_size = SF_ALIGNEDSZ;
+        wsaved = current_thread_info()->w_saved;
-        if (!used_math())
-                sigframe_size -= sizeof(__siginfo_fpu_t);
+        sigframe_size = sizeof(*sf);
+        if (used_math())
+                sigframe_size += sizeof(__siginfo_fpu_t);
+        if (wsaved)
+                sigframe_size += sizeof(__siginfo_rwin_t);
        sf = (struct signal_frame __user *)
                get_sigframe(&ka->sa, regs, sigframe_size);
@@ -334,8 +284,7 @@ static int setup_frame(struct k_sigaction *ka, struct pt_regs *regs,
        if (invalid_frame_pointer(sf, sigframe_size))
                goto sigill_and_return;
-        if (current_thread_info()->w_saved != 0)
+        tail = sf + 1;
-                goto sigill_and_return;
        /* 2. Save the current process state */
        err = __copy_to_user(&sf->info.si_regs, regs, sizeof(struct pt_regs));
@@ -343,17 +292,34 @@ static int setup_frame(struct k_sigaction *ka, struct pt_regs *regs,
        err |= __put_user(0, &sf->extra_size);
        if (used_math()) {
-                err |= save_fpu_state(regs, &sf->fpu_state);
+                __siginfo_fpu_t __user *fp = tail;
-                err |= __put_user(&sf->fpu_state, &sf->fpu_save);
+                tail += sizeof(*fp);
+                err |= save_fpu_state(regs, fp);
+                err |= __put_user(fp, &sf->fpu_save);
        } else {
                err |= __put_user(0, &sf->fpu_save);
        }
+        if (wsaved) {
+                __siginfo_rwin_t __user *rwp = tail;
+                tail += sizeof(*rwp);
+                err |= save_rwin_state(wsaved, rwp);
+                err |= __put_user(rwp, &sf->rwin_save);
+        } else {
+                err |= __put_user(0, &sf->rwin_save);
+        }
        err |= __put_user(oldset->sig[0], &sf->info.si_mask);
        err |= __copy_to_user(sf->extramask, &oldset->sig[1],
                              (_NSIG_WORDS - 1) * sizeof(unsigned int));
-        err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP],
+        if (!wsaved) {
-                              sizeof(struct reg_window32));
+                err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP],
+                                      sizeof(struct reg_window32));
+        } else {
+                struct reg_window32 *rp;
+                rp = &current_thread_info()->reg_window[wsaved - 1];
+                err |= __copy_to_user(sf, rp, sizeof(struct reg_window32));
+        }
        if (err)
                goto sigsegv;
        
@@ -399,21 +365,24 @@ static int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
                          int signo, sigset_t *oldset, siginfo_t *info)
 {
        struct rt_signal_frame __user *sf;
-        int sigframe_size;
+        int sigframe_size, wsaved;
+        void __user *tail;
        unsigned int psr;
        int err;
        synchronize_user_stack();
-        sigframe_size = RT_ALIGNEDSZ;
+        wsaved = current_thread_info()->w_saved;
-        if (!used_math())
+        sigframe_size = sizeof(*sf);
-                sigframe_size -= sizeof(__siginfo_fpu_t);
+        if (used_math())
+                sigframe_size += sizeof(__siginfo_fpu_t);
+        if (wsaved)
+                sigframe_size += sizeof(__siginfo_rwin_t);
        sf = (struct rt_signal_frame __user *)
                get_sigframe(&ka->sa, regs, sigframe_size);
        if (invalid_frame_pointer(sf, sigframe_size))
                goto sigill;
-        if (current_thread_info()->w_saved != 0)
-                goto sigill;
+        tail = sf + 1;
        err  = __put_user(regs->pc, &sf->regs.pc);
        err |= __put_user(regs->npc, &sf->regs.npc);
        err |= __put_user(regs->y, &sf->regs.y);
@@ -425,11 +394,21 @@ static int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
        err |= __put_user(0, &sf->extra_size);
        if (psr & PSR_EF) {
-                err |= save_fpu_state(regs, &sf->fpu_state);
+                __siginfo_fpu_t *fp = tail;
-                err |= __put_user(&sf->fpu_state, &sf->fpu_save);
+                tail += sizeof(*fp);
+                err |= save_fpu_state(regs, fp);
+                err |= __put_user(fp, &sf->fpu_save);
        } else {
                err |= __put_user(0, &sf->fpu_save);
        }
+        if (wsaved) {
+                __siginfo_rwin_t *rwp = tail;
+                tail += sizeof(*rwp);
+                err |= save_rwin_state(wsaved, rwp);
+                err |= __put_user(rwp, &sf->rwin_save);
+        } else {
+                err |= __put_user(0, &sf->rwin_save);
+        }
        err |= __copy_to_user(&sf->mask, &oldset->sig[0], sizeof(sigset_t));
        
        /* Setup sigaltstack */
@@ -437,8 +416,15 @@ static int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
        err |= __put_user(sas_ss_flags(regs->u_regs[UREG_FP]), &sf->stack.ss_flags);
        err |= __put_user(current->sas_ss_size, &sf->stack.ss_size);
        
-        err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP],
+        if (!wsaved) {
-                              sizeof(struct reg_window32));
+                err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP],
+                                      sizeof(struct reg_window32));
+        } else {
+                struct reg_window32 *rp;
+                rp = &current_thread_info()->reg_window[wsaved - 1];
+                err |= __copy_to_user(sf, rp, sizeof(struct reg_window32));
+        }
        err |= copy_siginfo_to_user(&sf->info, info);
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index 006fe4515886..47509df3b893 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -34,6 +34,7 @@
 #include "entry.h"
 #include "systbls.h"
+#include "sigutil.h"
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
@@ -236,7 +237,7 @@ struct rt_signal_frame {
        __siginfo_fpu_t __user  *fpu_save;
        stack_t                 stack;
        sigset_t                mask;
-        __siginfo_fpu_t         fpu_state;
+        __siginfo_rwin_t        *rwin_save;
 };
 static long _sigpause_common(old_sigset_t set)
@@ -266,33 +267,12 @@ asmlinkage long sys_sigsuspend(old_sigset_t set)
        return _sigpause_common(set);
 }
-static inline int
-restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
-{
-        unsigned long *fpregs = current_thread_info()->fpregs;
-        unsigned long fprs;
-        int err;
-        err = __get_user(fprs, &fpu->si_fprs);
-        fprs_write(0);
-        regs->tstate &= ~TSTATE_PEF;
-        if (fprs & FPRS_DL)
-                err |= copy_from_user(fpregs, &fpu->si_float_regs[0],
-                               (sizeof(unsigned int) * 32));
-        if (fprs & FPRS_DU)
-                err |= copy_from_user(fpregs+16, &fpu->si_float_regs[32],
-                               (sizeof(unsigned int) * 32));
-        err |= __get_user(current_thread_info()->xfsr[0], &fpu->si_fsr);
-        err |= __get_user(current_thread_info()->gsr[0], &fpu->si_gsr);
-        current_thread_info()->fpsaved[0] |= fprs;
-        return err;
-}
 void do_rt_sigreturn(struct pt_regs *regs)
 {
        struct rt_signal_frame __user *sf;
        unsigned long tpc, tnpc, tstate;
        __siginfo_fpu_t __user *fpu_save;
+        __siginfo_rwin_t __user *rwin_save;
        sigset_t set;
        int err;
@@ -325,8 +305,8 @@ void do_rt_sigreturn(struct pt_regs *regs)
        regs->tstate |= (tstate & (TSTATE_ASI | TSTATE_ICC | TSTATE_XCC));
        err |= __get_user(fpu_save, &sf->fpu_save);
-        if (fpu_save)
+        if (!err && fpu_save)
-                err |= restore_fpu_state(regs, &sf->fpu_state);
+                err |= restore_fpu_state(regs, fpu_save);
        err |= __copy_from_user(&set, &sf->mask, sizeof(sigset_t));
        err |= do_sigaltstack(&sf->stack, NULL, (unsigned long)sf);
@@ -334,6 +314,12 @@ void do_rt_sigreturn(struct pt_regs *regs)
        if (err)
                goto segv;
+        err |= __get_user(rwin_save, &sf->rwin_save);
+        if (!err && rwin_save) {
+                if (restore_rwin_state(rwin_save))
+                        goto segv;
+        }
        regs->tpc = tpc;
        regs->tnpc = tnpc;
@@ -351,34 +337,13 @@ segv:
 }
 /* Checks if the fp is valid */
-static int invalid_frame_pointer(void __user *fp, int fplen)
+static int invalid_frame_pointer(void __user *fp)
 {
        if (((unsigned long) fp) & 15)
                return 1;
        return 0;
 }
-static inline int
-save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
-{
-        unsigned long *fpregs = current_thread_info()->fpregs;
-        unsigned long fprs;
-        int err = 0;
-        
-        fprs = current_thread_info()->fpsaved[0];
-        if (fprs & FPRS_DL)
-                err |= copy_to_user(&fpu->si_float_regs[0], fpregs,
-                                    (sizeof(unsigned int) * 32));
-        if (fprs & FPRS_DU)
-                err |= copy_to_user(&fpu->si_float_regs[32], fpregs+16,
-                                    (sizeof(unsigned int) * 32));
-        err |= __put_user(current_thread_info()->xfsr[0], &fpu->si_fsr);
-        err |= __put_user(current_thread_info()->gsr[0], &fpu->si_gsr);
-        err |= __put_user(fprs, &fpu->si_fprs);
-        return err;
-}
 static inline void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, unsigned long framesize)
 {
        unsigned long sp = regs->u_regs[UREG_FP] + STACK_BIAS;
@@ -414,34 +379,48 @@ setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
               int signo, sigset_t *oldset, siginfo_t *info)
 {
        struct rt_signal_frame __user *sf;
-        int sigframe_size, err;
+        int wsaved, err, sf_size;
+        void __user *tail;
        /* 1. Make sure everything is clean */
        synchronize_user_stack();
        save_and_clear_fpu();
        
-        sigframe_size = sizeof(struct rt_signal_frame);
+        wsaved = get_thread_wsaved();
-        if (!(current_thread_info()->fpsaved[0] & FPRS_FEF))
-                sigframe_size -= sizeof(__siginfo_fpu_t);
+        sf_size = sizeof(struct rt_signal_frame);
+        if (current_thread_info()->fpsaved[0] & FPRS_FEF)
+                sf_size += sizeof(__siginfo_fpu_t);
+        if (wsaved)
+                sf_size += sizeof(__siginfo_rwin_t);
        sf = (struct rt_signal_frame __user *)
-                get_sigframe(ka, regs, sigframe_size);
+                get_sigframe(ka, regs, sf_size);
-        
-        if (invalid_frame_pointer (sf, sigframe_size))
-                goto sigill;
-        if (get_thread_wsaved() != 0)
+        if (invalid_frame_pointer (sf))
                goto sigill;
+        tail = (sf + 1);
        /* 2. Save the current process state */
        err = copy_to_user(&sf->regs, regs, sizeof (*regs));
        if (current_thread_info()->fpsaved[0] & FPRS_FEF) {
-                err |= save_fpu_state(regs, &sf->fpu_state);
+                __siginfo_fpu_t __user *fpu_save = tail;
-                err |= __put_user((u64)&sf->fpu_state, &sf->fpu_save);
+                tail += sizeof(__siginfo_fpu_t);
+                err |= save_fpu_state(regs, fpu_save);
+                err |= __put_user((u64)fpu_save, &sf->fpu_save);
        } else {
                err |= __put_user(0, &sf->fpu_save);
        }
+        if (wsaved) {
+                __siginfo_rwin_t __user *rwin_save = tail;
+                tail += sizeof(__siginfo_rwin_t);
+                err |= save_rwin_state(wsaved, rwin_save);
+                err |= __put_user((u64)rwin_save, &sf->rwin_save);
+                set_thread_wsaved(0);
+        } else {
+                err |= __put_user(0, &sf->rwin_save);
+        }
        
        /* Setup sigaltstack */
        err |= __put_user(current->sas_ss_sp, &sf->stack.ss_sp);
@@ -450,10 +429,17 @@ setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
        err |= copy_to_user(&sf->mask, oldset, sizeof(sigset_t));
-        err |= copy_in_user((u64 __user *)sf,
+        if (!wsaved) {
-                            (u64 __user *)(regs->u_regs[UREG_FP]+STACK_BIAS),
+                err |= copy_in_user((u64 __user *)sf,
-                            sizeof(struct reg_window));
+                                    (u64 __user *)(regs->u_regs[UREG_FP] +
+                                                   STACK_BIAS),
+                                    sizeof(struct reg_window));
+        } else {
+                struct reg_window *rp;
+                rp = &current_thread_info()->reg_window[wsaved - 1];
+                err |= copy_to_user(sf, rp, sizeof(struct reg_window));
+        }
        if (info)
                err |= copy_siginfo_to_user(&sf->info, info);
        else {
diff --git a/arch/sparc/kernel/sigutil.h b/arch/sparc/kernel/sigutil.h
new file mode 100644
index 000000000000..d223aa432bb6
--- /dev/null
+++ b/arch/sparc/kernel/sigutil.h
@@ -0,0 +1,9 @@
+#ifndef _SIGUTIL_H
+#define _SIGUTIL_H
+int save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu);
+int restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu);
+int save_rwin_state(int wsaved, __siginfo_rwin_t __user *rwin);
+int restore_rwin_state(__siginfo_rwin_t __user *rp);
+#endif /* _SIGUTIL_H */
diff --git a/arch/sparc/kernel/sigutil_32.c b/arch/sparc/kernel/sigutil_32.c
new file mode 100644
index 000000000000..35c7897b009a
--- /dev/null
+++ b/arch/sparc/kernel/sigutil_32.c
@@ -0,0 +1,120 @@
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/thread_info.h>
+#include <linux/uaccess.h>
+#include <linux/sched.h>
+#include <asm/sigcontext.h>
+#include <asm/fpumacro.h>
+#include <asm/ptrace.h>
+#include "sigutil.h"
+int save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
+{
+        int err = 0;
+#ifdef CONFIG_SMP
+        if (test_tsk_thread_flag(current, TIF_USEDFPU)) {
+                put_psr(get_psr() | PSR_EF);
+                fpsave(&current->thread.float_regs[0], &current->thread.fsr,
+                       &current->thread.fpqueue[0], &current->thread.fpqdepth);
+                regs->psr &= ~(PSR_EF);
+                clear_tsk_thread_flag(current, TIF_USEDFPU);
+        }
+#else
+        if (current == last_task_used_math) {
+                put_psr(get_psr() | PSR_EF);
+                fpsave(&current->thread.float_regs[0], &current->thread.fsr,
+                       &current->thread.fpqueue[0], &current->thread.fpqdepth);
+                last_task_used_math = NULL;
+                regs->psr &= ~(PSR_EF);
+        }
+#endif
+        err |= __copy_to_user(&fpu->si_float_regs[0],
+                              &current->thread.float_regs[0],
+                              (sizeof(unsigned long) * 32));
+        err |= __put_user(current->thread.fsr, &fpu->si_fsr);
+        err |= __put_user(current->thread.fpqdepth, &fpu->si_fpqdepth);
+        if (current->thread.fpqdepth != 0)
+                err |= __copy_to_user(&fpu->si_fpqueue[0],
+                                      &current->thread.fpqueue[0],
+                                      ((sizeof(unsigned long) +
+                                      (sizeof(unsigned long *)))*16));
+        clear_used_math();
+        return err;
+}
+int restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
+{
+        int err;
+#ifdef CONFIG_SMP
+        if (test_tsk_thread_flag(current, TIF_USEDFPU))
+                regs->psr &= ~PSR_EF;
+#else
+        if (current == last_task_used_math) {
+                last_task_used_math = NULL;
+                regs->psr &= ~PSR_EF;
+        }
+#endif
+        set_used_math();
+        clear_tsk_thread_flag(current, TIF_USEDFPU);
+        if (!access_ok(VERIFY_READ, fpu, sizeof(*fpu)))
+                return -EFAULT;
+        err = __copy_from_user(&current->thread.float_regs[0], &fpu->si_float_regs[0],
+                               (sizeof(unsigned long) * 32));
+        err |= __get_user(current->thread.fsr, &fpu->si_fsr);
+        err |= __get_user(current->thread.fpqdepth, &fpu->si_fpqdepth);
+        if (current->thread.fpqdepth != 0)
+                err |= __copy_from_user(&current->thread.fpqueue[0],
+                                        &fpu->si_fpqueue[0],
+                                        ((sizeof(unsigned long) +
+                                        (sizeof(unsigned long *)))*16));
+        return err;
+}
+int save_rwin_state(int wsaved, __siginfo_rwin_t __user *rwin)
+{
+        int i, err = __put_user(wsaved, &rwin->wsaved);
+        for (i = 0; i < wsaved; i++) {
+                struct reg_window32 *rp;
+                unsigned long fp;
+                rp = &current_thread_info()->reg_window[i];
+                fp = current_thread_info()->rwbuf_stkptrs[i];
+                err |= copy_to_user(&rwin->reg_window[i], rp,
+                                    sizeof(struct reg_window32));
+                err |= __put_user(fp, &rwin->rwbuf_stkptrs[i]);
+        }
+        return err;
+}
+int restore_rwin_state(__siginfo_rwin_t __user *rp)
+{
+        struct thread_info *t = current_thread_info();
+        int i, wsaved, err;
+        __get_user(wsaved, &rp->wsaved);
+        if (wsaved > NSWINS)
+                return -EFAULT;
+        err = 0;
+        for (i = 0; i < wsaved; i++) {
+                err |= copy_from_user(&t->reg_window[i],
+                                      &rp->reg_window[i],
+                                      sizeof(struct reg_window32));
+                err |= __get_user(t->rwbuf_stkptrs[i],
+                                  &rp->rwbuf_stkptrs[i]);
+        }
+        if (err)
+                return err;
+        t->w_saved = wsaved;
+        synchronize_user_stack();
+        if (t->w_saved)
+                return -EFAULT;
+        return 0;
+}
diff --git a/arch/sparc/kernel/sigutil_64.c b/arch/sparc/kernel/sigutil_64.c
new file mode 100644
index 000000000000..e7dc508c38eb
--- /dev/null
+++ b/arch/sparc/kernel/sigutil_64.c
@@ -0,0 +1,93 @@
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/thread_info.h>
+#include <linux/uaccess.h>
+#include <asm/sigcontext.h>
+#include <asm/fpumacro.h>
+#include <asm/ptrace.h>
+#include "sigutil.h"
+int save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
+{
+        unsigned long *fpregs = current_thread_info()->fpregs;
+        unsigned long fprs;
+        int err = 0;
+        
+        fprs = current_thread_info()->fpsaved[0];
+        if (fprs & FPRS_DL)
+                err |= copy_to_user(&fpu->si_float_regs[0], fpregs,
+                                    (sizeof(unsigned int) * 32));
+        if (fprs & FPRS_DU)
+                err |= copy_to_user(&fpu->si_float_regs[32], fpregs+16,
+                                    (sizeof(unsigned int) * 32));
+        err |= __put_user(current_thread_info()->xfsr[0], &fpu->si_fsr);
+        err |= __put_user(current_thread_info()->gsr[0], &fpu->si_gsr);
+        err |= __put_user(fprs, &fpu->si_fprs);
+        return err;
+}
+int restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
+{
+        unsigned long *fpregs = current_thread_info()->fpregs;
+        unsigned long fprs;
+        int err;
+        err = __get_user(fprs, &fpu->si_fprs);
+        fprs_write(0);
+        regs->tstate &= ~TSTATE_PEF;
+        if (fprs & FPRS_DL)
+                err |= copy_from_user(fpregs, &fpu->si_float_regs[0],
+                               (sizeof(unsigned int) * 32));
+        if (fprs & FPRS_DU)
+                err |= copy_from_user(fpregs+16, &fpu->si_float_regs[32],
+                               (sizeof(unsigned int) * 32));
+        err |= __get_user(current_thread_info()->xfsr[0], &fpu->si_fsr);
+        err |= __get_user(current_thread_info()->gsr[0], &fpu->si_gsr);
+        current_thread_info()->fpsaved[0] |= fprs;
+        return err;
+}
+int save_rwin_state(int wsaved, __siginfo_rwin_t __user *rwin)
+{
+        int i, err = __put_user(wsaved, &rwin->wsaved);
+        for (i = 0; i < wsaved; i++) {
+                struct reg_window *rp = &current_thread_info()->reg_window[i];
+                unsigned long fp = current_thread_info()->rwbuf_stkptrs[i];
+                err |= copy_to_user(&rwin->reg_window[i], rp,
+                                    sizeof(struct reg_window));
+                err |= __put_user(fp, &rwin->rwbuf_stkptrs[i]);
+        }
+        return err;
+}
+int restore_rwin_state(__siginfo_rwin_t __user *rp)
+{
+        struct thread_info *t = current_thread_info();
+        int i, wsaved, err;
+        __get_user(wsaved, &rp->wsaved);
+        if (wsaved > NSWINS)
+                return -EFAULT;
+        err = 0;
+        for (i = 0; i < wsaved; i++) {
+                err |= copy_from_user(&t->reg_window[i],
+                                      &rp->reg_window[i],
+                                      sizeof(struct reg_window));
+                err |= __get_user(t->rwbuf_stkptrs[i],
+                                  &rp->rwbuf_stkptrs[i]);
+        }
+        if (err)
+                return err;
+        set_thread_wsaved(wsaved);
+        synchronize_user_stack();
+        if (get_thread_wsaved())
+                return -EFAULT;
+        return 0;
+}
diff --git a/arch/sparc/kernel/sys32.S b/arch/sparc/kernel/sys32.S
index 44e5faf1ad5f..d97f3eb72e06 100644
--- a/arch/sparc/kernel/sys32.S
+++ b/arch/sparc/kernel/sys32.S
@@ -81,7 +81,6 @@ SIGN2(sys32_fadvise64, compat_sys_fadvise64, %o0, %o4)
 SIGN2(sys32_fadvise64_64, compat_sys_fadvise64_64, %o0, %o5)
 SIGN2(sys32_bdflush, sys_bdflush, %o0, %o1)
 SIGN1(sys32_mlockall, sys_mlockall, %o0)
-SIGN1(sys32_nfsservctl, compat_sys_nfsservctl, %o0)
 SIGN1(sys32_clock_nanosleep, compat_sys_clock_nanosleep, %o1)
 SIGN1(sys32_timer_settime, compat_sys_timer_settime, %o1)
 SIGN1(sys32_io_submit, compat_sys_io_submit, %o1)
diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S
index 6e492d59f6b1..09d8ec454450 100644
--- a/arch/sparc/kernel/systbls_32.S
+++ b/arch/sparc/kernel/systbls_32.S
@@ -67,7 +67,7 @@ sys_call_table:
 /*235*/ .long sys_fstatfs64, sys_llseek, sys_mlock, sys_munlock, sys_mlockall
 /*240*/ .long sys_munlockall, sys_sched_setparam, sys_sched_getparam, sys_sched_setscheduler, sys_sched_getscheduler
 /*245*/ .long sys_sched_yield, sys_sched_get_priority_max, sys_sched_get_priority_min, sys_sched_rr_get_interval, sys_nanosleep
-/*250*/ .long sys_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nfsservctl
+/*250*/ .long sys_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_ni_syscall
 /*255*/ .long sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep
 /*260*/ .long sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun
 /*265*/ .long sys_timer_delete, sys_timer_create, sys_nis_syscall, sys_io_setup, sys_io_destroy
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index f566518483b5..edbec45d4688 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -68,7 +68,7 @@ sys_call_table32:
        .word compat_sys_fstatfs64, sys_llseek, sys_mlock, sys_munlock, sys32_mlockall
 /*240*/ .word sys_munlockall, sys32_sched_setparam, sys32_sched_getparam, sys32_sched_setscheduler, sys32_sched_getscheduler
        .word sys_sched_yield, sys32_sched_get_priority_max, sys32_sched_get_priority_min, sys32_sched_rr_get_interval, compat_sys_nanosleep
-/*250*/ .word sys_mremap, compat_sys_sysctl, sys32_getsid, sys_fdatasync, sys32_nfsservctl
+/*250*/ .word sys_mremap, compat_sys_sysctl, sys32_getsid, sys_fdatasync, sys_nis_syscall
        .word sys32_sync_file_range, compat_sys_clock_settime, compat_sys_clock_gettime, compat_sys_clock_getres, sys32_clock_nanosleep
 /*260*/ .word compat_sys_sched_getaffinity, compat_sys_sched_setaffinity, sys32_timer_settime, compat_sys_timer_gettime, sys_timer_getoverrun
        .word sys_timer_delete, compat_sys_timer_create, sys_ni_syscall, compat_sys_io_setup, sys_io_destroy
@@ -145,7 +145,7 @@ sys_call_table:
        .word sys_fstatfs64, sys_llseek, sys_mlock, sys_munlock, sys_mlockall
 /*240*/ .word sys_munlockall, sys_sched_setparam, sys_sched_getparam, sys_sched_setscheduler, sys_sched_getscheduler
        .word sys_sched_yield, sys_sched_get_priority_max, sys_sched_get_priority_min, sys_sched_rr_get_interval, sys_nanosleep
-/*250*/ .word sys_64_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nfsservctl
+/*250*/ .word sys_64_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nis_syscall
        .word sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep
 /*260*/ .word sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun
        .word sys_timer_delete, sys_timer_create, sys_ni_syscall, sys_io_setup, sys_io_destroy
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 581531dbc8b5..8e073d802139 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -511,6 +511,11 @@ static void __init read_obp_translations(void)
                for (i = 0; i < prom_trans_ents; i++)
                        prom_trans[i].data &= ~0x0003fe0000000000UL;
        }
+        /* Force execute bit on.  */
+        for (i = 0; i < prom_trans_ents; i++)
+                prom_trans[i].data |= (tlb_type == hypervisor ?
+                                       _PAGE_EXEC_4V : _PAGE_EXEC_4U);
 }
 static void __init hypervisor_tlb_lock(unsigned long vaddr,
diff --git a/arch/tile/kernel/intvec_32.S b/arch/tile/kernel/intvec_32.S
index fc94607f0bd5..aecc8ed5f39b 100644
--- a/arch/tile/kernel/intvec_32.S
+++ b/arch/tile/kernel/intvec_32.S
@@ -21,7 +21,7 @@
 #include <asm/ptrace.h>
 #include <asm/thread_info.h>
 #include <asm/irqflags.h>
-#include <linux/atomic.h>
+#include <asm/atomic_32.h>
 #include <asm/asm-offsets.h>
 #include <hv/hypervisor.h>
 #include <arch/abi.h>
diff --git a/arch/tile/lib/atomic_asm_32.S b/arch/tile/lib/atomic_asm_32.S
index 1f75a2a56101..30638042691d 100644
--- a/arch/tile/lib/atomic_asm_32.S
+++ b/arch/tile/lib/atomic_asm_32.S
@@ -70,7 +70,7 @@
 */
 #include <linux/linkage.h>
-#include <linux/atomic.h>
+#include <asm/atomic_32.h>
 #include <asm/page.h>
 #include <asm/processor.h>
diff --git a/arch/um/Kconfig.x86 b/arch/um/Kconfig.x86
index d31ecf346b4e..21bebe63df66 100644
--- a/arch/um/Kconfig.x86
+++ b/arch/um/Kconfig.x86
@@ -10,6 +10,10 @@ config CMPXCHG_LOCAL
        bool
        default n
+config CMPXCHG_DOUBLE
+        bool
+        default n
 source "arch/x86/Kconfig.cpu"
 endmenu
diff --git a/arch/um/Makefile b/arch/um/Makefile
index fab8121d2b32..c0f712cc7c5f 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -41,7 +41,7 @@ KBUILD_CPPFLAGS += -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH)
 KBUILD_CFLAGS += $(CFLAGS) $(CFLAGS-y) -D__arch_um__ -DSUBARCH=\"$(SUBARCH)\" \
        $(ARCH_INCLUDE) $(MODE_INCLUDE) -Dvmap=kernel_vmap      \
        -Din6addr_loopback=kernel_in6addr_loopback \
-        -Din6addr_any=kernel_in6addr_any
+        -Din6addr_any=kernel_in6addr_any -Dstrrchr=kernel_strrchr
 KBUILD_AFLAGS += $(ARCH_INCLUDE)
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index d51c404239a8..364c8a15c4c3 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -399,8 +399,8 @@ int line_setup_irq(int fd, int input, int output, struct line *line, void *data)
 * is done under a spinlock.  Checking whether the device is in use is
 * line->tty->count > 1, also under the spinlock.
 *
- * tty->count serves to decide whether the device should be enabled or
+ * line->count serves to decide whether the device should be enabled or
- * disabled on the host.  If it's equal to 1, then we are doing the
+ * disabled on the host.  If it's equal to 0, then we are doing the
 * first open or last close.  Otherwise, open and close just return.
 */
@@ -414,16 +414,16 @@ int line_open(struct line *lines, struct tty_struct *tty)
                goto out_unlock;
        err = 0;
-        if (tty->count > 1)
+        if (line->count++)
                goto out_unlock;
-        spin_unlock(&line->count_lock);
+        BUG_ON(tty->driver_data);
        tty->driver_data = line;
        line->tty = tty;
+        spin_unlock(&line->count_lock);
        err = enable_chan(line);
-        if (err)
+        if (err) /* line_close() will be called by our caller */
                return err;
        INIT_DELAYED_WORK(&line->task, line_timer_cb);
@@ -436,7 +436,7 @@ int line_open(struct line *lines, struct tty_struct *tty)
        chan_window_size(&line->chan_list, &tty->winsize.ws_row,
                         &tty->winsize.ws_col);
-        return err;
+        return 0;
 out_unlock:
        spin_unlock(&line->count_lock);
@@ -460,17 +460,16 @@ void line_close(struct tty_struct *tty, struct file * filp)
        flush_buffer(line);
        spin_lock(&line->count_lock);
-        if (!line->valid)
+        BUG_ON(!line->valid);
-                goto out_unlock;
-        if (tty->count > 1)
+        if (--line->count)
                goto out_unlock;
-        spin_unlock(&line->count_lock);
        line->tty = NULL;
        tty->driver_data = NULL;
+        spin_unlock(&line->count_lock);
        if (line->sigio) {
                unregister_winch(tty);
                line->sigio = 0;
@@ -498,7 +497,7 @@ static int setup_one_line(struct line *lines, int n, char *init, int init_prio,
        spin_lock(&line->count_lock);
-        if (line->tty != NULL) {
+        if (line->count) {
                *error_out = "Device is already open";
                goto out;
        }
@@ -722,41 +721,53 @@ struct winch {
        int pid;
        struct tty_struct *tty;
        unsigned long stack;
+        struct work_struct work;
 };
-static void free_winch(struct winch *winch, int free_irq_ok)
+static void __free_winch(struct work_struct *work)
 {
-        if (free_irq_ok)
+        struct winch *winch = container_of(work, struct winch, work);
-                free_irq(WINCH_IRQ, winch);
+        free_irq(WINCH_IRQ, winch);
-        list_del(&winch->list);
        if (winch->pid != -1)
                os_kill_process(winch->pid, 1);
-        if (winch->fd != -1)
-                os_close_file(winch->fd);
        if (winch->stack != 0)
                free_stack(winch->stack, 0);
        kfree(winch);
 }
+static void free_winch(struct winch *winch)
+{
+        int fd = winch->fd;
+        winch->fd = -1;
+        if (fd != -1)
+                os_close_file(fd);
+        list_del(&winch->list);
+        __free_winch(&winch->work);
+}
 static irqreturn_t winch_interrupt(int irq, void *data)
 {
        struct winch *winch = data;
        struct tty_struct *tty;
        struct line *line;
+        int fd = winch->fd;
        int err;
        char c;
-        if (winch->fd != -1) {
+        if (fd != -1) {
-                err = generic_read(winch->fd, &c, NULL);
+                err = generic_read(fd, &c, NULL);
                if (err < 0) {
                        if (err != -EAGAIN) {
+                                winch->fd = -1;
+                                list_del(&winch->list);
+                                os_close_file(fd);
                                printk(KERN_ERR "winch_interrupt : "
                                       "read failed, errno = %d\n", -err);
                                printk(KERN_ERR "fd %d is losing SIGWINCH "
                                       "support\n", winch->tty_fd);
-                                free_winch(winch, 0);
+                                INIT_WORK(&winch->work, __free_winch);
+                                schedule_work(&winch->work);
                                return IRQ_HANDLED;
                        }
                        goto out;
@@ -828,7 +839,7 @@ static void unregister_winch(struct tty_struct *tty)
        list_for_each_safe(ele, next, &winch_handlers) {
                winch = list_entry(ele, struct winch, list);
                if (winch->tty == tty) {
-                        free_winch(winch, 1);
+                        free_winch(winch);
                        break;
                }
        }
@@ -844,7 +855,7 @@ static void winch_cleanup(void)
        list_for_each_safe(ele, next, &winch_handlers) {
                winch = list_entry(ele, struct winch, list);
-                free_winch(winch, 1);
+                free_winch(winch);
        }
        spin_unlock(&winch_handler_lock);
diff --git a/arch/um/drivers/xterm.c b/arch/um/drivers/xterm.c
index 8ac7146c237f..2e1de5728604 100644
--- a/arch/um/drivers/xterm.c
+++ b/arch/um/drivers/xterm.c
@@ -123,6 +123,7 @@ static int xterm_open(int input, int output, int primary, void *d,
                err = -errno;
                printk(UM_KERN_ERR "xterm_open : unlink failed, errno = %d\n",
                       errno);
+                close(fd);
                return err;
        }
        close(fd);
diff --git a/arch/um/include/asm/ptrace-generic.h b/arch/um/include/asm/ptrace-generic.h
index ae084ad1a3a0..1a7d2757fe05 100644
--- a/arch/um/include/asm/ptrace-generic.h
+++ b/arch/um/include/asm/ptrace-generic.h
@@ -42,10 +42,6 @@ extern long subarch_ptrace(struct task_struct *child, long request,
        unsigned long addr, unsigned long data);
 extern unsigned long getreg(struct task_struct *child, int regno);
 extern int putreg(struct task_struct *child, int regno, unsigned long value);
-extern int get_fpregs(struct user_i387_struct __user *buf,
-                      struct task_struct *child);
-extern int set_fpregs(struct user_i387_struct __user *buf,
-                      struct task_struct *child);
 extern int arch_copy_tls(struct task_struct *new);
 extern void clear_flushed_tls(struct task_struct *task);
diff --git a/arch/um/include/shared/line.h b/arch/um/include/shared/line.h
index 72f4f25af247..63df3ca02ac2 100644
--- a/arch/um/include/shared/line.h
+++ b/arch/um/include/shared/line.h
@@ -33,6 +33,7 @@ struct line_driver {
 struct line {
        struct tty_struct *tty;
        spinlock_t count_lock;
+        unsigned long count;
        int valid;
        char *init_str;
diff --git a/arch/um/include/shared/registers.h b/arch/um/include/shared/registers.h
index b0b4589e0ebc..f1e0aa56c52a 100644
--- a/arch/um/include/shared/registers.h
+++ b/arch/um/include/shared/registers.h
@@ -16,7 +16,7 @@ extern int restore_fpx_registers(int pid, unsigned long *fp_regs);
 extern int save_registers(int pid, struct uml_pt_regs *regs);
 extern int restore_registers(int pid, struct uml_pt_regs *regs);
 extern int init_registers(int pid);
-extern void get_safe_registers(unsigned long *regs);
+extern void get_safe_registers(unsigned long *regs, unsigned long *fp_regs);
 extern unsigned long get_thread_reg(int reg, jmp_buf *buf);
 extern int get_fp_registers(int pid, unsigned long *regs);
 extern int put_fp_registers(int pid, unsigned long *regs);
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index fab4371184f6..21c1ae7c3d75 100644
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -202,7 +202,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
                arch_copy_thread(&current->thread.arch, &p->thread.arch);
        }
        else {
-                get_safe_registers(p->thread.regs.regs.gp);
+                get_safe_registers(p->thread.regs.regs.gp, p->thread.regs.regs.fp);
                p->thread.request.u.thread = current->thread.request.u.thread;
                handler = new_thread_handler;
        }
diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c
index 701b672c1122..c9da32b0c707 100644
--- a/arch/um/kernel/ptrace.c
+++ b/arch/um/kernel/ptrace.c
@@ -50,23 +50,11 @@ long arch_ptrace(struct task_struct *child, long request,
        void __user *vp = p;
        switch (request) {
-        /* read word at location addr. */
-        case PTRACE_PEEKTEXT:
-        case PTRACE_PEEKDATA:
-                ret = generic_ptrace_peekdata(child, addr, data);
-                break;
        /* read the word at location addr in the USER area. */
        case PTRACE_PEEKUSR:
                ret = peek_user(child, addr, data);
                break;
-        /* write the word at location addr. */
-        case PTRACE_POKETEXT:
-        case PTRACE_POKEDATA:
-                ret = generic_ptrace_pokedata(child, addr, data);
-                break;
        /* write the word at location addr in the USER area */
        case PTRACE_POKEUSR:
                ret = poke_user(child, addr, data);
@@ -107,16 +95,6 @@ long arch_ptrace(struct task_struct *child, long request,
                break;
        }
 #endif
-#ifdef PTRACE_GETFPREGS
-        case PTRACE_GETFPREGS: /* Get the child FPU state. */
-                ret = get_fpregs(vp, child);
-                break;
-#endif
-#ifdef PTRACE_SETFPREGS
-        case PTRACE_SETFPREGS: /* Set the child FPU state. */
-                ret = set_fpregs(vp, child);
-                break;
-#endif
        case PTRACE_GET_THREAD_AREA:
                ret = ptrace_get_thread_area(child, addr, vp);
                break;
@@ -154,12 +132,6 @@ long arch_ptrace(struct task_struct *child, long request,
                break;
        }
 #endif
-#ifdef PTRACE_ARCH_PRCTL
-        case PTRACE_ARCH_PRCTL:
-                /* XXX Calls ptrace on the host - needs some SMP thinking */
-                ret = arch_prctl(child, data, (void __user *) addr);
-                break;
-#endif
        default:
                ret = ptrace_request(child, request, addr, data);
                if (ret == -EIO)
diff --git a/arch/um/os-Linux/registers.c b/arch/um/os-Linux/registers.c
index 830fe6a1518a..b866b9e3bef9 100644
--- a/arch/um/os-Linux/registers.c
+++ b/arch/um/os-Linux/registers.c
@@ -8,6 +8,8 @@
 #include <string.h>
 #include <sys/ptrace.h>
 #include "sysdep/ptrace.h"
+#include "sysdep/ptrace_user.h"
+#include "registers.h"
 int save_registers(int pid, struct uml_pt_regs *regs)
 {
@@ -32,6 +34,7 @@ int restore_registers(int pid, struct uml_pt_regs *regs)
 /* This is set once at boot time and not changed thereafter */
 static unsigned long exec_regs[MAX_REG_NR];
+static unsigned long exec_fp_regs[FP_SIZE];
 int init_registers(int pid)
 {
@@ -42,10 +45,14 @@ int init_registers(int pid)
                return -errno;
        arch_init_registers(pid);
+        get_fp_registers(pid, exec_fp_regs);
        return 0;
 }
-void get_safe_registers(unsigned long *regs)
+void get_safe_registers(unsigned long *regs, unsigned long *fp_regs)
 {
        memcpy(regs, exec_regs, sizeof(exec_regs));
+        if (fp_regs)
+                memcpy(fp_regs, exec_fp_regs, sizeof(exec_fp_regs));
 }
diff --git a/arch/um/os-Linux/skas/mem.c b/arch/um/os-Linux/skas/mem.c
index d261f170d120..e771398be5f3 100644
--- a/arch/um/os-Linux/skas/mem.c
+++ b/arch/um/os-Linux/skas/mem.c
@@ -39,7 +39,7 @@ static unsigned long syscall_regs[MAX_REG_NR];
 static int __init init_syscall_regs(void)
 {
-        get_safe_registers(syscall_regs);
+        get_safe_registers(syscall_regs, NULL);
        syscall_regs[REGS_IP_INDEX] = STUB_CODE +
                ((unsigned long) &batch_syscall_stub -
                 (unsigned long) &__syscall_stub_start);
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index d6e0a2234b86..dee0e8cf8ad0 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -373,6 +373,9 @@ void userspace(struct uml_pt_regs *regs)
                if (ptrace(PTRACE_SETREGS, pid, 0, regs->gp))
                        fatal_sigsegv();
+                if (put_fp_registers(pid, regs->fp))
+                        fatal_sigsegv();
                /* Now we set local_using_sysemu to be used for one loop */
                local_using_sysemu = get_using_sysemu();
@@ -399,6 +402,12 @@ void userspace(struct uml_pt_regs *regs)
                        fatal_sigsegv();
                }
+                if (get_fp_registers(pid, regs->fp)) {
+                        printk(UM_KERN_ERR "userspace -  get_fp_registers failed, "
+                               "errno = %d\n", errno);
+                        fatal_sigsegv();
+                }
                UPT_SYSCALL_NR(regs) = -1; /* Assume: It's not a syscall */
                if (WIFSTOPPED(status)) {
@@ -457,10 +466,11 @@ void userspace(struct uml_pt_regs *regs)
 }
 static unsigned long thread_regs[MAX_REG_NR];
+static unsigned long thread_fp_regs[FP_SIZE];
 static int __init init_thread_regs(void)
 {
-        get_safe_registers(thread_regs);
+        get_safe_registers(thread_regs, thread_fp_regs);
        /* Set parent's instruction pointer to start of clone-stub */
        thread_regs[REGS_IP_INDEX] = STUB_CODE +
                                (unsigned long) stub_clone_handler -
@@ -503,6 +513,13 @@ int copy_context_skas0(unsigned long new_stack, int pid)
                return err;
        }
+        err = put_fp_registers(pid, thread_fp_regs);
+        if (err < 0) {
+                printk(UM_KERN_ERR "copy_context_skas0 : put_fp_registers "
+                       "failed, pid = %d, err = %d\n", pid, err);
+                return err;
+        }
        /* set a well known return code for detection of child write failure */
        child_data->err = 12345678;
diff --git a/arch/um/sys-i386/asm/ptrace.h b/arch/um/sys-i386/asm/ptrace.h
index 0273e4d09af7..5d2a59112537 100644
--- a/arch/um/sys-i386/asm/ptrace.h
+++ b/arch/um/sys-i386/asm/ptrace.h
@@ -42,11 +42,6 @@
 */
 struct user_desc;
-extern int get_fpxregs(struct user_fxsr_struct __user *buf,
-                       struct task_struct *child);
-extern int set_fpxregs(struct user_fxsr_struct __user *buf,
-                       struct task_struct *tsk);
 extern int ptrace_get_thread_area(struct task_struct *child, int idx,
                                  struct user_desc __user *user_desc);
diff --git a/arch/um/sys-i386/ptrace.c b/arch/um/sys-i386/ptrace.c
index d23b2d3ea384..3375c2717851 100644
--- a/arch/um/sys-i386/ptrace.c
+++ b/arch/um/sys-i386/ptrace.c
@@ -145,7 +145,7 @@ int peek_user(struct task_struct *child, long addr, long data)
        return put_user(tmp, (unsigned long __user *) data);
 }
-int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
+static int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
 {
        int err, n, cpu = ((struct thread_info *) child->stack)->cpu;
        struct user_i387_struct fpregs;
@@ -161,7 +161,7 @@ int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
        return n;
 }
-int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
+static int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
 {
        int n, cpu = ((struct thread_info *) child->stack)->cpu;
        struct user_i387_struct fpregs;
@@ -174,7 +174,7 @@ int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
                                    (unsigned long *) &fpregs);
 }
-int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
+static int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
 {
        int err, n, cpu = ((struct thread_info *) child->stack)->cpu;
        struct user_fxsr_struct fpregs;
@@ -190,7 +190,7 @@ int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
        return n;
 }
-int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
+static int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
 {
        int n, cpu = ((struct thread_info *) child->stack)->cpu;
        struct user_fxsr_struct fpregs;
@@ -206,5 +206,23 @@ int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
 long subarch_ptrace(struct task_struct *child, long request,
                    unsigned long addr, unsigned long data)
 {
-        return -EIO;
+        int ret = -EIO;
+        void __user *datap = (void __user *) data;
+        switch (request) {
+        case PTRACE_GETFPREGS: /* Get the child FPU state. */
+                ret = get_fpregs(datap, child);
+                break;
+        case PTRACE_SETFPREGS: /* Set the child FPU state. */
+                ret = set_fpregs(datap, child);
+                break;
+        case PTRACE_GETFPXREGS: /* Get the child FPU state. */
+                ret = get_fpxregs(datap, child);
+                break;
+        case PTRACE_SETFPXREGS: /* Set the child FPU state. */
+                ret = set_fpxregs(datap, child);
+                break;
+        default:
+                ret = -EIO;
+        }
+        return ret;
 }
diff --git a/arch/um/sys-i386/shared/sysdep/ptrace.h b/arch/um/sys-i386/shared/sysdep/ptrace.h
index d50e62e07070..c398a5076111 100644
--- a/arch/um/sys-i386/shared/sysdep/ptrace.h
+++ b/arch/um/sys-i386/shared/sysdep/ptrace.h
@@ -53,6 +53,7 @@ extern int sysemu_supported;
 struct uml_pt_regs {
        unsigned long gp[MAX_REG_NR];
+        unsigned long fp[HOST_FPX_SIZE];
        struct faultinfo faultinfo;
        long syscall;
        int is_user;
diff --git a/arch/um/sys-x86_64/ptrace.c b/arch/um/sys-x86_64/ptrace.c
index f43613643cdb..4005506834fd 100644
--- a/arch/um/sys-x86_64/ptrace.c
+++ b/arch/um/sys-x86_64/ptrace.c
@@ -145,7 +145,7 @@ int is_syscall(unsigned long addr)
        return instr == 0x050f;
 }
-int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
+static int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
 {
        int err, n, cpu = ((struct thread_info *) child->stack)->cpu;
        long fpregs[HOST_FP_SIZE];
@@ -162,7 +162,7 @@ int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
        return n;
 }
-int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
+static int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
 {
        int n, cpu = ((struct thread_info *) child->stack)->cpu;
        long fpregs[HOST_FP_SIZE];
@@ -182,12 +182,16 @@ long subarch_ptrace(struct task_struct *child, long request,
        void __user *datap = (void __user *) data;
        switch (request) {
-        case PTRACE_GETFPXREGS: /* Get the child FPU state. */
+        case PTRACE_GETFPREGS: /* Get the child FPU state. */
                ret = get_fpregs(datap, child);
                break;
-        case PTRACE_SETFPXREGS: /* Set the child FPU state. */
+        case PTRACE_SETFPREGS: /* Set the child FPU state. */
                ret = set_fpregs(datap, child);
                break;
+        case PTRACE_ARCH_PRCTL:
+                /* XXX Calls ptrace on the host - needs some SMP thinking */
+                ret = arch_prctl(child, data, (void __user *) addr);
+                break;
        }
        return ret;
diff --git a/arch/um/sys-x86_64/shared/sysdep/ptrace.h b/arch/um/sys-x86_64/shared/sysdep/ptrace.h
index fdba5457947a..8ee8f8e12af1 100644
--- a/arch/um/sys-x86_64/shared/sysdep/ptrace.h
+++ b/arch/um/sys-x86_64/shared/sysdep/ptrace.h
@@ -85,6 +85,7 @@
 struct uml_pt_regs {
        unsigned long gp[MAX_REG_NR];
+        unsigned long fp[HOST_FP_SIZE];
        struct faultinfo faultinfo;
        long syscall;
        int is_user;
diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index a0e866d233ee..54edb207ff3a 100644
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -672,7 +672,7 @@ ia32_sys_call_table:
        .quad sys32_vm86_warning        /* vm86 */ 
        .quad quiet_ni_syscall  /* query_module */
        .quad sys_poll
-        .quad compat_sys_nfsservctl
+        .quad quiet_ni_syscall /* old nfsservctl */
        .quad sys_setresgid16   /* 170 */
        .quad sys_getresgid16
        .quad sys_prctl
diff --git a/arch/x86/include/asm/alternative-asm.h b/arch/x86/include/asm/alternative-asm.h
index 4554cc6fb96a..091508b533b4 100644
--- a/arch/x86/include/asm/alternative-asm.h
+++ b/arch/x86/include/asm/alternative-asm.h
@@ -16,7 +16,6 @@
 #endif
 .macro altinstruction_entry orig alt feature orig_len alt_len
-        .align 8
        .long \orig - .
        .long \alt - .
        .word \feature
diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
index 23fb6d79f209..37ad100a2210 100644
--- a/arch/x86/include/asm/alternative.h
+++ b/arch/x86/include/asm/alternative.h
@@ -48,9 +48,6 @@ struct alt_instr {
        u16 cpuid;              /* cpuid bit set for replacement */
        u8  instrlen;           /* length of original instruction */
        u8  replacementlen;     /* length of new instruction, <= instrlen */
-#ifdef CONFIG_X86_64
-        u32 pad2;
-#endif
 };
 extern void alternative_instructions(void);
@@ -83,7 +80,6 @@ static inline int alternatives_text_reserved(void *start, void *end)
                                                                        \
      "661:\n\t" oldinstr "\n662:\n"                                    \
      ".section .altinstructions,\"a\"\n"                               \
-      _ASM_ALIGN "\n"                                                   \
      "  .long 661b - .\n"                      /* label           */   \
      "  .long 663f - .\n"                      /* new instruction */   \
      "  .word " __stringify(feature) "\n"      /* feature bit     */   \
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 4258aac99a6e..88b23a43f340 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -332,7 +332,6 @@ static __always_inline __pure bool __static_cpu_has(u16 bit)
                asm goto("1: jmp %l[t_no]\n"
                         "2:\n"
                         ".section .altinstructions,\"a\"\n"
-                         _ASM_ALIGN "\n"
                         " .long 1b - .\n"
                         " .long 0\n"           /* no replacement */
                         " .word %P0\n"         /* feature bit */
@@ -350,7 +349,6 @@ static __always_inline __pure bool __static_cpu_has(u16 bit)
                asm volatile("1: movb $0,%0\n"
                             "2:\n"
                             ".section .altinstructions,\"a\"\n"
-                             _ASM_ALIGN "\n"
                             " .long 1b - .\n"
                             " .long 3f - .\n"
                             " .word %P1\n"             /* feature bit */
diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h
index 7b439d9aea2a..41935fadfdfc 100644
--- a/arch/x86/include/asm/desc.h
+++ b/arch/x86/include/asm/desc.h
@@ -27,8 +27,8 @@ static inline void fill_ldt(struct desc_struct *desc, const struct user_desc *in
        desc->base2             = (info->base_addr & 0xff000000) >> 24;
        /*
-         * Don't allow setting of the lm bit. It is useless anyway
+         * Don't allow setting of the lm bit. It would confuse
-         * because 64bit system calls require __USER_CS:
+         * user_64bit_mode and would get overridden by sysret anyway.
         */
        desc->l                 = 0;
 }
diff --git a/arch/x86/include/asm/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h
index f9a320984a10..7e50f06393aa 100644
--- a/arch/x86/include/asm/irq_vectors.h
+++ b/arch/x86/include/asm/irq_vectors.h
@@ -17,7 +17,6 @@
 *  Vectors   0 ...  31 : system traps and exceptions - hardcoded events
 *  Vectors  32 ... 127 : device interrupts
 *  Vector  128         : legacy int80 syscall interface
- *  Vector  204         : legacy x86_64 vsyscall emulation
 *  Vectors 129 ... INVALIDATE_TLB_VECTOR_START-1 except 204 : device interrupts
 *  Vectors INVALIDATE_TLB_VECTOR_START ... 255 : special interrupts
 *
@@ -51,9 +50,6 @@
 #ifdef CONFIG_X86_32
 # define SYSCALL_VECTOR                 0x80
 #endif
-#ifdef CONFIG_X86_64
-# define VSYSCALL_EMU_VECTOR            0xcc
-#endif
 /*
 * Vectors 0x30-0x3f are used for ISA interrupts.
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index 2c7652163111..8e8b9a4987ee 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -41,6 +41,7 @@
 #include <asm/desc_defs.h>
 #include <asm/kmap_types.h>
+#include <asm/pgtable_types.h>
 struct page;
 struct thread_struct;
@@ -63,6 +64,11 @@ struct paravirt_callee_save {
 struct pv_info {
        unsigned int kernel_rpl;
        int shared_kernel_pmd;
+#ifdef CONFIG_X86_64
+        u16 extra_user_64bit_cs;  /* __USER_CS if none */
+#endif
        int paravirt_enabled;
        const char *name;
 };
diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h
index 94e7618fcac8..35664547125b 100644
--- a/arch/x86/include/asm/ptrace.h
+++ b/arch/x86/include/asm/ptrace.h
@@ -131,6 +131,9 @@ struct pt_regs {
 #ifdef __KERNEL__
 #include <linux/init.h>
+#ifdef CONFIG_PARAVIRT
+#include <asm/paravirt_types.h>
+#endif
 struct cpuinfo_x86;
 struct task_struct;
@@ -187,6 +190,22 @@ static inline int v8086_mode(struct pt_regs *regs)
 #endif
 }
+#ifdef CONFIG_X86_64
+static inline bool user_64bit_mode(struct pt_regs *regs)
+{
+#ifndef CONFIG_PARAVIRT
+        /*
+         * On non-paravirt systems, this is the only long mode CPL 3
+         * selector.  We do not allow long mode selectors in the LDT.
+         */
+        return regs->cs == __USER_CS;
+#else
+        /* Headers are too twisted for this to go in paravirt.h. */
+        return regs->cs == __USER_CS || regs->cs == pv_info.extra_user_64bit_cs;
+#endif
+}
+#endif
 /*
 * X86_32 CPUs don't save ss and esp if the CPU is already in kernel mode
 * when it traps.  The previous stack will be directly underneath the saved
diff --git a/arch/x86/include/asm/pvclock.h b/arch/x86/include/asm/pvclock.h
index a518c0a45044..c59cc97fe6c1 100644
--- a/arch/x86/include/asm/pvclock.h
+++ b/arch/x86/include/asm/pvclock.h
@@ -44,7 +44,7 @@ static inline u64 pvclock_scale_delta(u64 delta, u32 mul_frac, int shift)
                : "a" ((u32)delta), "1" ((u32)(delta >> 32)), "2" (mul_frac) );
 #elif defined(__x86_64__)
        __asm__ (
-                "mul %[mul_frac] ; shrd $32, %[hi], %[lo]"
+                "mulq %[mul_frac] ; shrd $32, %[hi], %[lo]"
                : [lo]"=a"(product),
                  [hi]"=d"(tmp)
                : "0"(delta),
diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h
index 2bae0a513b40..0012d0902c5f 100644
--- a/arch/x86/include/asm/traps.h
+++ b/arch/x86/include/asm/traps.h
@@ -40,7 +40,6 @@ asmlinkage void alignment_check(void);
 asmlinkage void machine_check(void);
 #endif /* CONFIG_X86_MCE */
 asmlinkage void simd_coprocessor_error(void);
-asmlinkage void emulate_vsyscall(void);
 dotraplinkage void do_divide_error(struct pt_regs *, long);
 dotraplinkage void do_debug(struct pt_regs *, long);
@@ -67,7 +66,6 @@ dotraplinkage void do_alignment_check(struct pt_regs *, long);
 dotraplinkage void do_machine_check(struct pt_regs *, long);
 #endif
 dotraplinkage void do_simd_coprocessor_error(struct pt_regs *, long);
-dotraplinkage void do_emulate_vsyscall(struct pt_regs *, long);
 #ifdef CONFIG_X86_32
 dotraplinkage void do_iret_error(struct pt_regs *, long);
 #endif
diff --git a/arch/x86/include/asm/unistd_64.h b/arch/x86/include/asm/unistd_64.h
index 705bf139288c..201040573444 100644
--- a/arch/x86/include/asm/unistd_64.h
+++ b/arch/x86/include/asm/unistd_64.h
@@ -414,7 +414,7 @@ __SYSCALL(__NR_query_module, sys_ni_syscall)
 __SYSCALL(__NR_quotactl, sys_quotactl)
 #define __NR_nfsservctl                         180
-__SYSCALL(__NR_nfsservctl, sys_nfsservctl)
+__SYSCALL(__NR_nfsservctl, sys_ni_syscall)
 /* reserved for LiS/STREAMS */
 #define __NR_getpmsg                            181
@@ -681,6 +681,8 @@ __SYSCALL(__NR_syncfs, sys_syncfs)
 __SYSCALL(__NR_sendmmsg, sys_sendmmsg)
 #define __NR_setns                              308
 __SYSCALL(__NR_setns, sys_setns)
+#define __NR_getcpu                             309
+__SYSCALL(__NR_getcpu, sys_getcpu)
 #ifndef __NO_STUBS
 #define __ARCH_WANT_OLD_READDIR
diff --git a/arch/x86/include/asm/vsyscall.h b/arch/x86/include/asm/vsyscall.h
index 60107072c28b..eaea1d31f753 100644
--- a/arch/x86/include/asm/vsyscall.h
+++ b/arch/x86/include/asm/vsyscall.h
@@ -27,6 +27,12 @@ extern struct timezone sys_tz;
 extern void map_vsyscall(void);
+/*
+ * Called on instruction fetch fault in vsyscall page.
+ * Returns true if handled.
+ */
+extern bool emulate_vsyscall(struct pt_regs *regs, unsigned long address);
 #endif /* __KERNEL__ */
 #endif /* _ASM_X86_VSYSCALL_H */
diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h
index 64a619d47d34..7ff4669580cf 100644
--- a/arch/x86/include/asm/xen/page.h
+++ b/arch/x86/include/asm/xen/page.h
@@ -39,7 +39,7 @@ typedef struct xpaddr {
    ((unsigned long)((u64)CONFIG_XEN_MAX_DOMAIN_MEMORY * 1024 * 1024 * 1024 / PAGE_SIZE))
 extern unsigned long *machine_to_phys_mapping;
-extern unsigned int   machine_to_phys_order;
+extern unsigned long  machine_to_phys_nr;
 extern unsigned long get_phys_to_machine(unsigned long pfn);
 extern bool set_phys_to_machine(unsigned long pfn, unsigned long mfn);
@@ -87,7 +87,7 @@ static inline unsigned long mfn_to_pfn(unsigned long mfn)
        if (xen_feature(XENFEAT_auto_translated_physmap))
                return mfn;
-        if (unlikely((mfn >> machine_to_phys_order) != 0)) {
+        if (unlikely(mfn >= machine_to_phys_nr)) {
                pfn = ~0;
                goto try_override;
        }
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 04105574c8e9..82f2912155a5 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -17,19 +17,6 @@ CFLAGS_REMOVE_ftrace.o = -pg
 CFLAGS_REMOVE_early_printk.o = -pg
 endif
-#
-# vsyscalls (which work on the user stack) should have
-# no stack-protector checks:
-#
-nostackp := $(call cc-option, -fno-stack-protector)
-CFLAGS_vsyscall_64.o    := $(PROFILING) -g0 $(nostackp)
-CFLAGS_hpet.o           := $(nostackp)
-CFLAGS_paravirt.o       := $(nostackp)
-GCOV_PROFILE_vsyscall_64.o      := n
-GCOV_PROFILE_hpet.o             := n
-GCOV_PROFILE_tsc.o              := n
-GCOV_PROFILE_paravirt.o         := n
 obj-y                   := process_$(BITS).o signal.o entry_$(BITS).o
 obj-y                   += traps.o irq.o irq_$(BITS).o dumpstack_$(BITS).o
 obj-y                   += time.o ioport.o ldt.o dumpstack.o
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index adc66c3a1fef..34b18594e724 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -207,7 +207,6 @@ static int __cpuinit uv_wakeup_secondary(int phys_apicid, unsigned long start_ri
            ((start_rip << UVH_IPI_INT_VECTOR_SHFT) >> 12) |
            APIC_DM_INIT;
        uv_write_global_mmr64(pnode, UVH_IPI_INT, val);
-        mdelay(10);
        val = (1UL << UVH_IPI_INT_SEND_SHFT) |
            (phys_apicid << UVH_IPI_INT_APIC_ID_SHFT) |
diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
index 08119a37e53c..6b96110bb0c3 100644
--- a/arch/x86/kernel/cpu/mtrr/main.c
+++ b/arch/x86/kernel/cpu/mtrr/main.c
@@ -149,7 +149,6 @@ struct set_mtrr_data {
 */
 static int mtrr_rendezvous_handler(void *info)
 {
-#ifdef CONFIG_SMP
        struct set_mtrr_data *data = info;
        /*
@@ -171,7 +170,6 @@ static int mtrr_rendezvous_handler(void *info)
        } else if (mtrr_aps_delayed_init || !cpu_online(smp_processor_id())) {
                mtrr_if->set_all();
        }
-#endif
        return 0;
 }
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 4ee3abf20ed6..cfa62ec090ec 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1900,6 +1900,9 @@ perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs)
        perf_callchain_store(entry, regs->ip);
+        if (!current->mm)
+                return;
        if (perf_callchain_user32(regs, entry))
                return;
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index 45fbb8f7f549..f88af2c2a561 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -1590,6 +1590,7 @@ static __init int intel_pmu_init(void)
                break;
        case 42: /* SandyBridge */
+        case 45: /* SandyBridge, "Romely-EP" */
                memcpy(hw_cache_event_ids, snb_hw_cache_event_ids,
                       sizeof(hw_cache_event_ids));
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index 5c1a91974918..f3f6f5344001 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -54,6 +54,7 @@
 #include <asm/ftrace.h>
 #include <asm/irq_vectors.h>
 #include <asm/cpufeature.h>
+#include <asm/alternative-asm.h>
 /* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this.  */
 #include <linux/elf-em.h>
@@ -873,12 +874,7 @@ ENTRY(simd_coprocessor_error)
 661:    pushl_cfi $do_general_protection
 662:
 .section .altinstructions,"a"
-        .balign 4
+        altinstruction_entry 661b, 663f, X86_FEATURE_XMM, 662b-661b, 664f-663f
-        .long 661b
-        .long 663f
-        .word X86_FEATURE_XMM
-        .byte 662b-661b
-        .byte 664f-663f
 .previous
 .section .altinstr_replacement,"ax"
 663:    pushl $do_simd_coprocessor_error
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index e13329d800c8..6419bb05ecd5 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -1111,7 +1111,6 @@ zeroentry spurious_interrupt_bug do_spurious_interrupt_bug
 zeroentry coprocessor_error do_coprocessor_error
 errorentry alignment_check do_alignment_check
 zeroentry simd_coprocessor_error do_simd_coprocessor_error
-zeroentry emulate_vsyscall do_emulate_vsyscall
        /* Reload gs selector with exception handling */
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 613a7931ecc1..d90272e6bc40 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -307,6 +307,10 @@ struct pv_info pv_info = {
        .paravirt_enabled = 0,
        .kernel_rpl = 0,
        .shared_kernel_pmd = 1, /* Only used when CONFIG_X86_PAE is set */
+#ifdef CONFIG_X86_64
+        .extra_user_64bit_cs = __USER_CS,
+#endif
 };
 struct pv_init_ops pv_init_ops = {
diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c
index 3f2ad2640d85..ccdbc16b8941 100644
--- a/arch/x86/kernel/rtc.c
+++ b/arch/x86/kernel/rtc.c
@@ -42,8 +42,11 @@ int mach_set_rtc_mmss(unsigned long nowtime)
 {
        int real_seconds, real_minutes, cmos_minutes;
        unsigned char save_control, save_freq_select;
+        unsigned long flags;
        int retval = 0;
+        spin_lock_irqsave(&rtc_lock, flags);
         /* tell the clock it's being set */
        save_control = CMOS_READ(RTC_CONTROL);
        CMOS_WRITE((save_control|RTC_SET), RTC_CONTROL);
@@ -93,12 +96,17 @@ int mach_set_rtc_mmss(unsigned long nowtime)
        CMOS_WRITE(save_control, RTC_CONTROL);
        CMOS_WRITE(save_freq_select, RTC_FREQ_SELECT);
+        spin_unlock_irqrestore(&rtc_lock, flags);
        return retval;
 }
 unsigned long mach_get_cmos_time(void)
 {
        unsigned int status, year, mon, day, hour, min, sec, century = 0;
+        unsigned long flags;
+        spin_lock_irqsave(&rtc_lock, flags);
        /*
         * If UIP is clear, then we have >= 244 microseconds before
@@ -125,6 +133,8 @@ unsigned long mach_get_cmos_time(void)
        status = CMOS_READ(RTC_CONTROL);
        WARN_ON_ONCE(RTC_ALWAYS_BCD && (status & RTC_DM_BINARY));
+        spin_unlock_irqrestore(&rtc_lock, flags);
        if (RTC_ALWAYS_BCD || !(status & RTC_DM_BINARY)) {
                sec = bcd2bin(sec);
                min = bcd2bin(min);
@@ -169,24 +179,15 @@ EXPORT_SYMBOL(rtc_cmos_write);
 int update_persistent_clock(struct timespec now)
 {
-        unsigned long flags;
+        return x86_platform.set_wallclock(now.tv_sec);
-        int retval;
-        spin_lock_irqsave(&rtc_lock, flags);
-        retval = x86_platform.set_wallclock(now.tv_sec);
-        spin_unlock_irqrestore(&rtc_lock, flags);
-        return retval;
 }
 /* not static: needed by APM */
 void read_persistent_clock(struct timespec *ts)
 {
-        unsigned long retval, flags;
+        unsigned long retval;
-        spin_lock_irqsave(&rtc_lock, flags);
        retval = x86_platform.get_wallclock();
-        spin_unlock_irqrestore(&rtc_lock, flags);
        ts->tv_sec = retval;
        ts->tv_nsec = 0;
diff --git a/arch/x86/kernel/step.c b/arch/x86/kernel/step.c
index 7977f0cfe339..c346d1161488 100644
--- a/arch/x86/kernel/step.c
+++ b/arch/x86/kernel/step.c
@@ -74,7 +74,7 @@ static int is_setting_trap_flag(struct task_struct *child, struct pt_regs *regs)
 #ifdef CONFIG_X86_64
                case 0x40 ... 0x4f:
-                        if (regs->cs != __USER_CS)
+                        if (!user_64bit_mode(regs))
                                /* 32-bit mode: register increment */
                                return 0;
                        /* 64-bit mode: REX prefix */
diff --git a/arch/x86/kernel/syscall_table_32.S b/arch/x86/kernel/syscall_table_32.S
index fbb0a045a1a2..bc19be332bc9 100644
--- a/arch/x86/kernel/syscall_table_32.S
+++ b/arch/x86/kernel/syscall_table_32.S
@@ -168,7 +168,7 @@ ENTRY(sys_call_table)
        .long ptregs_vm86
        .long sys_ni_syscall    /* Old sys_query_module */
        .long sys_poll
-        .long sys_nfsservctl
+        .long sys_ni_syscall    /* Old nfsservctl */
        .long sys_setresgid16   /* 170 */
        .long sys_getresgid16
        .long sys_prctl
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 9682ec50180c..6913369c234c 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -872,12 +872,6 @@ void __init trap_init(void)
        set_bit(SYSCALL_VECTOR, used_vectors);
 #endif
-#ifdef CONFIG_X86_64
-        BUG_ON(test_bit(VSYSCALL_EMU_VECTOR, used_vectors));
-        set_system_intr_gate(VSYSCALL_EMU_VECTOR, &emulate_vsyscall);
-        set_bit(VSYSCALL_EMU_VECTOR, used_vectors);
-#endif
        /*
         * Should be a barrier for any external CPU state:
         */
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index 4aa9c54a9b76..0f703f10901a 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -71,7 +71,6 @@ PHDRS {
        text PT_LOAD FLAGS(5);          /* R_E */
        data PT_LOAD FLAGS(6);          /* RW_ */
 #ifdef CONFIG_X86_64
-        user PT_LOAD FLAGS(5);          /* R_E */
 #ifdef CONFIG_SMP
        percpu PT_LOAD FLAGS(6);        /* RW_ */
 #endif
@@ -154,44 +153,16 @@ SECTIONS
 #ifdef CONFIG_X86_64
-#define VSYSCALL_ADDR (-10*1024*1024)
+        . = ALIGN(PAGE_SIZE);
-#define VLOAD_OFFSET (VSYSCALL_ADDR - __vsyscall_0 + LOAD_OFFSET)
-#define VLOAD(x) (ADDR(x) - VLOAD_OFFSET)
-#define VVIRT_OFFSET (VSYSCALL_ADDR - __vsyscall_0)
-#define VVIRT(x) (ADDR(x) - VVIRT_OFFSET)
-        . = ALIGN(4096);
-        __vsyscall_0 = .;
-        . = VSYSCALL_ADDR;
-        .vsyscall : AT(VLOAD(.vsyscall)) {
-                *(.vsyscall_0)
-                . = 1024;
-                *(.vsyscall_1)
-                . = 2048;
-                *(.vsyscall_2)
-                . = 4096;  /* Pad the whole page. */
-        } :user =0xcc
-        . = ALIGN(__vsyscall_0 + PAGE_SIZE, PAGE_SIZE);
-#undef VSYSCALL_ADDR
-#undef VLOAD_OFFSET
-#undef VLOAD
-#undef VVIRT_OFFSET
-#undef VVIRT
        __vvar_page = .;
        .vvar : AT(ADDR(.vvar) - LOAD_OFFSET) {
+                /* work around gold bug 13023 */
+                __vvar_beginning_hack = .;
-              /* Place all vvars at the offsets in asm/vvar.h. */
+                /* Place all vvars at the offsets in asm/vvar.h. */
-#define EMIT_VVAR(name, offset)                 \
+#define EMIT_VVAR(name, offset)                         \
-                . = offset;             \
+                . = __vvar_beginning_hack + offset;     \
                *(.vvar_ ## name)
 #define __VVAR_KERNEL_LDS
 #include <asm/vvar.h>
diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c
index dda7dff9cef7..b56c65de384d 100644
--- a/arch/x86/kernel/vsyscall_64.c
+++ b/arch/x86/kernel/vsyscall_64.c
@@ -18,9 +18,6 @@
 *  use the vDSO.
 */
-/* Disable profiling for userspace code: */
-#define DISABLE_BRANCH_PROFILING
 #include <linux/time.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
@@ -50,12 +47,36 @@
 #include <asm/vgtod.h>
 #include <asm/traps.h>
+#define CREATE_TRACE_POINTS
+#include "vsyscall_trace.h"
 DEFINE_VVAR(int, vgetcpu_mode);
 DEFINE_VVAR(struct vsyscall_gtod_data, vsyscall_gtod_data) =
 {
        .lock = __SEQLOCK_UNLOCKED(__vsyscall_gtod_data.lock),
 };
+static enum { EMULATE, NATIVE, NONE } vsyscall_mode = NATIVE;
+static int __init vsyscall_setup(char *str)
+{
+        if (str) {
+                if (!strcmp("emulate", str))
+                        vsyscall_mode = EMULATE;
+                else if (!strcmp("native", str))
+                        vsyscall_mode = NATIVE;
+                else if (!strcmp("none", str))
+                        vsyscall_mode = NONE;
+                else
+                        return -EINVAL;
+                return 0;
+        }
+        return -EINVAL;
+}
+early_param("vsyscall", vsyscall_setup);
 void update_vsyscall_tz(void)
 {
        unsigned long flags;
@@ -100,7 +121,7 @@ static void warn_bad_vsyscall(const char *level, struct pt_regs *regs,
        printk("%s%s[%d] %s ip:%lx cs:%lx sp:%lx ax:%lx si:%lx di:%lx\n",
               level, tsk->comm, task_pid_nr(tsk),
-               message, regs->ip - 2, regs->cs,
+               message, regs->ip, regs->cs,
               regs->sp, regs->ax, regs->si, regs->di);
 }
@@ -118,46 +139,39 @@ static int addr_to_vsyscall_nr(unsigned long addr)
        return nr;
 }
-void dotraplinkage do_emulate_vsyscall(struct pt_regs *regs, long error_code)
+bool emulate_vsyscall(struct pt_regs *regs, unsigned long address)
 {
        struct task_struct *tsk;
        unsigned long caller;
        int vsyscall_nr;
        long ret;
-        local_irq_enable();
        /*
-         * Real 64-bit user mode code has cs == __USER_CS.  Anything else
+         * No point in checking CS -- the only way to get here is a user mode
-         * is bogus.
+         * trap to a high address, which means that we're in 64-bit user code.
         */
-        if (regs->cs != __USER_CS) {
-                /*
-                 * If we trapped from kernel mode, we might as well OOPS now
-                 * instead of returning to some random address and OOPSing
-                 * then.
-                 */
-                BUG_ON(!user_mode(regs));
-                /* Compat mode and non-compat 32-bit CS should both segfault. */
+        WARN_ON_ONCE(address != regs->ip);
-                warn_bad_vsyscall(KERN_WARNING, regs,
-                                  "illegal int 0xcc from 32-bit mode");
+        if (vsyscall_mode == NONE) {
-                goto sigsegv;
+                warn_bad_vsyscall(KERN_INFO, regs,
+                                  "vsyscall attempted with vsyscall=none");
+                return false;
        }
-        /*
+        vsyscall_nr = addr_to_vsyscall_nr(address);
-         * x86-ism here: regs->ip points to the instruction after the int 0xcc,
-         * and int 0xcc is two bytes long.
+        trace_emulate_vsyscall(vsyscall_nr);
-         */
-        vsyscall_nr = addr_to_vsyscall_nr(regs->ip - 2);
        if (vsyscall_nr < 0) {
                warn_bad_vsyscall(KERN_WARNING, regs,
-                                  "illegal int 0xcc (exploit attempt?)");
+                                  "misaligned vsyscall (exploit attempt or buggy program) -- look up the vsyscall kernel parameter if you need a workaround");
                goto sigsegv;
        }
        if (get_user(caller, (unsigned long __user *)regs->sp) != 0) {
-                warn_bad_vsyscall(KERN_WARNING, regs, "int 0xcc with bad stack (exploit attempt?)");
+                warn_bad_vsyscall(KERN_WARNING, regs,
+                                  "vsyscall with bad stack (exploit attempt?)");
                goto sigsegv;
        }
@@ -202,13 +216,11 @@ void dotraplinkage do_emulate_vsyscall(struct pt_regs *regs, long error_code)
        regs->ip = caller;
        regs->sp += 8;
-        local_irq_disable();
+        return true;
-        return;
 sigsegv:
-        regs->ip -= 2;  /* The faulting instruction should be the int 0xcc. */
        force_sig(SIGSEGV, current);
-        local_irq_disable();
+        return true;
 }
 /*
@@ -256,15 +268,21 @@ cpu_vsyscall_notifier(struct notifier_block *n, unsigned long action, void *arg)
 void __init map_vsyscall(void)
 {
-        extern char __vsyscall_0;
+        extern char __vsyscall_page;
-        unsigned long physaddr_page0 = __pa_symbol(&__vsyscall_0);
+        unsigned long physaddr_vsyscall = __pa_symbol(&__vsyscall_page);
        extern char __vvar_page;
        unsigned long physaddr_vvar_page = __pa_symbol(&__vvar_page);
-        /* Note that VSYSCALL_MAPPED_PAGES must agree with the code below. */
+        __set_fixmap(VSYSCALL_FIRST_PAGE, physaddr_vsyscall,
-        __set_fixmap(VSYSCALL_FIRST_PAGE, physaddr_page0, PAGE_KERNEL_VSYSCALL);
+                     vsyscall_mode == NATIVE
+                     ? PAGE_KERNEL_VSYSCALL
+                     : PAGE_KERNEL_VVAR);
+        BUILD_BUG_ON((unsigned long)__fix_to_virt(VSYSCALL_FIRST_PAGE) !=
+                     (unsigned long)VSYSCALL_START);
        __set_fixmap(VVAR_PAGE, physaddr_vvar_page, PAGE_KERNEL_VVAR);
-        BUILD_BUG_ON((unsigned long)__fix_to_virt(VVAR_PAGE) != (unsigned long)VVAR_ADDRESS);
+        BUILD_BUG_ON((unsigned long)__fix_to_virt(VVAR_PAGE) !=
+                     (unsigned long)VVAR_ADDRESS);
 }
 static int __init vsyscall_init(void)
diff --git a/arch/x86/kernel/vsyscall_emu_64.S b/arch/x86/kernel/vsyscall_emu_64.S
index ffa845eae5ca..c9596a9af159 100644
--- a/arch/x86/kernel/vsyscall_emu_64.S
+++ b/arch/x86/kernel/vsyscall_emu_64.S
@@ -7,21 +7,31 @@
 */
 #include <linux/linkage.h>
 #include <asm/irq_vectors.h>
+#include <asm/page_types.h>
+#include <asm/unistd_64.h>
+__PAGE_ALIGNED_DATA
+        .globl __vsyscall_page
+        .balign PAGE_SIZE, 0xcc
+        .type __vsyscall_page, @object
+__vsyscall_page:
+        mov $__NR_gettimeofday, %rax
+        syscall
+        ret
-/* The unused parts of the page are filled with 0xcc by the linker script. */
+        .balign 1024, 0xcc
+        mov $__NR_time, %rax
+        syscall
+        ret
-.section .vsyscall_0, "a"
+        .balign 1024, 0xcc
-ENTRY(vsyscall_0)
+        mov $__NR_getcpu, %rax
-        int $VSYSCALL_EMU_VECTOR
+        syscall
-END(vsyscall_0)
+        ret
-.section .vsyscall_1, "a"
+        .balign 4096, 0xcc
-ENTRY(vsyscall_1)
-        int $VSYSCALL_EMU_VECTOR
-END(vsyscall_1)
-.section .vsyscall_2, "a"
+        .size __vsyscall_page, 4096
-ENTRY(vsyscall_2)
-        int $VSYSCALL_EMU_VECTOR
-END(vsyscall_2)
diff --git a/arch/x86/kernel/vsyscall_trace.h b/arch/x86/kernel/vsyscall_trace.h
new file mode 100644
index 000000000000..a8b2edec54fe
--- /dev/null
+++ b/arch/x86/kernel/vsyscall_trace.h
@@ -0,0 +1,29 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM vsyscall
+#if !defined(__VSYSCALL_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define __VSYSCALL_TRACE_H
+#include <linux/tracepoint.h>
+TRACE_EVENT(emulate_vsyscall,
+            TP_PROTO(int nr),
+            TP_ARGS(nr),
+            TP_STRUCT__entry(__field(int, nr)),
+            TP_fast_assign(
+                           __entry->nr = nr;
+                           ),
+            TP_printk("nr = %d", __entry->nr)
+);
+#endif
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH ../../arch/x86/kernel
+#define TRACE_INCLUDE_FILE vsyscall_trace
+#include <trace/define_trace.h>
diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index 988724b236b6..ff5790d8e990 100644
--- a/arch/x86/kvm/Kconfig
+++ b/arch/x86/kvm/Kconfig
@@ -22,6 +22,8 @@ config KVM
        depends on HAVE_KVM
        # for device assignment:
        depends on PCI
+        # for TASKSTATS/TASK_DELAY_ACCT:
+        depends on NET
        select PREEMPT_NOTIFIERS
        select MMU_NOTIFIER
        select ANON_INODES
@@ -31,6 +33,7 @@ config KVM
        select KVM_ASYNC_PF
        select USER_RETURN_NOTIFIER
        select KVM_MMIO
+        select TASKSTATS
        select TASK_DELAY_ACCT
        ---help---
          Support hosting fully virtualized guest machines using hardware
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 6f08bc940fa8..8b4cc5f067de 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -3603,7 +3603,7 @@ done_prefixes:
                break;
        case Src2CL:
                ctxt->src2.bytes = 1;
-                ctxt->src2.val = ctxt->regs[VCPU_REGS_RCX] & 0x8;
+                ctxt->src2.val = ctxt->regs[VCPU_REGS_RCX] & 0xff;
                break;
        case Src2ImmByte:
                rc = decode_imm(ctxt, &ctxt->src2, 1, true);
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 1c5b69373a00..8e8da7960dbe 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -400,7 +400,8 @@ static u64 __update_clear_spte_slow(u64 *sptep, u64 spte)
        /* xchg acts as a barrier before the setting of the high bits */
        orig.spte_low = xchg(&ssptep->spte_low, sspte.spte_low);
-        orig.spte_high = ssptep->spte_high = sspte.spte_high;
+        orig.spte_high = ssptep->spte_high;
+        ssptep->spte_high = sspte.spte_high;
        count_spte_clear(sptep, spte);
        return orig.spte;
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 4d09df054e39..0d17c8c50acd 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -17,6 +17,7 @@
 #include <asm/traps.h>                  /* dotraplinkage, ...           */
 #include <asm/pgalloc.h>                /* pgd_*(), ...                 */
 #include <asm/kmemcheck.h>              /* kmemcheck_*(), ...           */
+#include <asm/vsyscall.h>
 /*
 * Page fault error code bits:
@@ -105,7 +106,7 @@ check_prefetch_opcode(struct pt_regs *regs, unsigned char *instr,
                 * but for now it's good enough to assume that long
                 * mode only uses well known segments or kernel.
                 */
-                return (!user_mode(regs)) || (regs->cs == __USER_CS);
+                return (!user_mode(regs) || user_64bit_mode(regs));
 #endif
        case 0x60:
                /* 0x64 thru 0x67 are valid prefixes in all modes. */
@@ -720,6 +721,18 @@ __bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code,
                if (is_errata100(regs, address))
                        return;
+#ifdef CONFIG_X86_64
+                /*
+                 * Instruction fetch faults in the vsyscall page might need
+                 * emulation.
+                 */
+                if (unlikely((error_code & PF_INSTR) &&
+                             ((address & ~0xfff) == VSYSCALL_START))) {
+                        if (emulate_vsyscall(regs, address))
+                                return;
+                }
+#endif
                if (unlikely(show_unhandled_signals))
                        show_signal_msg(regs, error_code, address, tsk);
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index ae3cb23cd89b..404f21a3ff9e 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -43,6 +43,17 @@ static const struct dmi_system_id pci_use_crs_table[] __initconst = {
                        DMI_MATCH(DMI_PRODUCT_NAME, "ALiveSATA2-GLAN"),
                },
        },
+        /* https://bugzilla.kernel.org/show_bug.cgi?id=30552 */
+        /* 2006 AMD HT/VIA system with two host bridges */
+        {
+                .callback = set_use_crs,
+                .ident = "ASUS M2V-MX SE",
+                .matches = {
+                        DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
+                        DMI_MATCH(DMI_BOARD_NAME, "M2V-MX SE"),
+                        DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."),
+                },
+        },
        {}
 };
@@ -360,6 +371,20 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_pci_root *root)
                }
        }
+        /* After the PCI-E bus has been walked and all devices discovered,
+         * configure any settings of the fabric that might be necessary.
+         */
+        if (bus) {
+                struct pci_bus *child;
+                list_for_each_entry(child, &bus->children, node) {
+                        struct pci_dev *self = child->self;
+                        if (!self)
+                                continue;
+                        pcie_bus_configure_settings(child, self->pcie_mpss);
+                }
+        }
        if (!bus)
                kfree(sd);
diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c
index 7000e74b3087..fe73276e026b 100644
--- a/arch/x86/platform/mrst/mrst.c
+++ b/arch/x86/platform/mrst/mrst.c
@@ -678,36 +678,40 @@ static int __init sfi_parse_devs(struct sfi_table_header *table)
        pentry = (struct sfi_device_table_entry *)sb->pentry;
        for (i = 0; i < num; i++, pentry++) {
-                if (pentry->irq != (u8)0xff) { /* native RTE case */
+                int irq = pentry->irq;
+                if (irq != (u8)0xff) { /* native RTE case */
                        /* these SPI2 devices are not exposed to system as PCI
                         * devices, but they have separate RTE entry in IOAPIC
                         * so we have to enable them one by one here
                         */
-                        ioapic = mp_find_ioapic(pentry->irq);
+                        ioapic = mp_find_ioapic(irq);
                        irq_attr.ioapic = ioapic;
-                        irq_attr.ioapic_pin = pentry->irq;
+                        irq_attr.ioapic_pin = irq;
                        irq_attr.trigger = 1;
                        irq_attr.polarity = 1;
-                        io_apic_set_pci_routing(NULL, pentry->irq, &irq_attr);
+                        io_apic_set_pci_routing(NULL, irq, &irq_attr);
-                }
+                } else
+                        irq = 0; /* No irq */
                switch (pentry->type) {
                case SFI_DEV_TYPE_IPC:
                        /* ID as IRQ is a hack that will go away */
-                        pdev = platform_device_alloc(pentry->name, pentry->irq);
+                        pdev = platform_device_alloc(pentry->name, irq);
                        if (pdev == NULL) {
                                pr_err("out of memory for SFI platform device '%s'.\n",
                                                        pentry->name);
                                continue;
                        }
-                        install_irq_resource(pdev, pentry->irq);
+                        install_irq_resource(pdev, irq);
                        pr_debug("info[%2d]: IPC bus, name = %16.16s, "
-                                "irq = 0x%2x\n", i, pentry->name, pentry->irq);
+                                "irq = 0x%2x\n", i, pentry->name, irq);
                        sfi_handle_ipc_dev(pdev);
                        break;
                case SFI_DEV_TYPE_SPI:
                        memset(&spi_info, 0, sizeof(spi_info));
                        strncpy(spi_info.modalias, pentry->name, SFI_NAME_LEN);
-                        spi_info.irq = pentry->irq;
+                        spi_info.irq = irq;
                        spi_info.bus_num = pentry->host_num;
                        spi_info.chip_select = pentry->addr;
                        spi_info.max_speed_hz = pentry->max_freq;
@@ -724,7 +728,7 @@ static int __init sfi_parse_devs(struct sfi_table_header *table)
                        memset(&i2c_info, 0, sizeof(i2c_info));
                        bus = pentry->host_num;
                        strncpy(i2c_info.type, pentry->name, SFI_NAME_LEN);
-                        i2c_info.irq = pentry->irq;
+                        i2c_info.irq = irq;
                        i2c_info.addr = pentry->addr;
                        pr_debug("info[%2d]: I2C bus = %d, name = %16.16s, "
                                "irq = 0x%2x, addr = 0x%x\n", i, bus,
diff --git a/arch/x86/platform/mrst/vrtc.c b/arch/x86/platform/mrst/vrtc.c
index 73d70d65e76e..6d5dbcdd444a 100644
--- a/arch/x86/platform/mrst/vrtc.c
+++ b/arch/x86/platform/mrst/vrtc.c
@@ -58,8 +58,11 @@ EXPORT_SYMBOL_GPL(vrtc_cmos_write);
 unsigned long vrtc_get_time(void)
 {
        u8 sec, min, hour, mday, mon;
+        unsigned long flags;
        u32 year;
+        spin_lock_irqsave(&rtc_lock, flags);
        while ((vrtc_cmos_read(RTC_FREQ_SELECT) & RTC_UIP))
                cpu_relax();
@@ -70,6 +73,8 @@ unsigned long vrtc_get_time(void)
        mon = vrtc_cmos_read(RTC_MONTH);
        year = vrtc_cmos_read(RTC_YEAR);
+        spin_unlock_irqrestore(&rtc_lock, flags);
        /* vRTC YEAR reg contains the offset to 1960 */
        year += 1960;
@@ -83,8 +88,10 @@ unsigned long vrtc_get_time(void)
 int vrtc_set_mmss(unsigned long nowtime)
 {
        int real_sec, real_min;
+        unsigned long flags;
        int vrtc_min;
+        spin_lock_irqsave(&rtc_lock, flags);
        vrtc_min = vrtc_cmos_read(RTC_MINUTES);
        real_sec = nowtime % 60;
@@ -95,6 +102,8 @@ int vrtc_set_mmss(unsigned long nowtime)
        vrtc_cmos_write(real_sec, RTC_SECONDS);
        vrtc_cmos_write(real_min, RTC_MINUTES);
+        spin_unlock_irqrestore(&rtc_lock, flags);
        return 0;
 }
diff --git a/arch/x86/platform/olpc/olpc.c b/arch/x86/platform/olpc/olpc.c
index 8b9940e78e2f..7cce722667b8 100644
--- a/arch/x86/platform/olpc/olpc.c
+++ b/arch/x86/platform/olpc/olpc.c
@@ -161,13 +161,13 @@ restart:
        if (inbuf && inlen) {
                /* write data to EC */
                for (i = 0; i < inlen; i++) {
+                        pr_devel("olpc-ec:  sending cmd arg 0x%x\n", inbuf[i]);
+                        outb(inbuf[i], 0x68);
                        if (wait_on_ibf(0x6c, 0)) {
                                printk(KERN_ERR "olpc-ec:  timeout waiting for"
                                                " EC accept data!\n");
                                goto err;
                        }
-                        pr_devel("olpc-ec:  sending cmd arg 0x%x\n", inbuf[i]);
-                        outb(inbuf[i], 0x68);
                }
        }
        if (outbuf && outlen) {
diff --git a/arch/x86/vdso/vdso.S b/arch/x86/vdso/vdso.S
index 1b979c12ba85..01f5e3b4613c 100644
--- a/arch/x86/vdso/vdso.S
+++ b/arch/x86/vdso/vdso.S
@@ -9,6 +9,7 @@ __PAGE_ALIGNED_DATA
 vdso_start:
        .incbin "arch/x86/vdso/vdso.so"
 vdso_end:
+        .align PAGE_SIZE /* extra data here leaks to userspace. */
 .previous
diff --git a/arch/x86/vdso/vdso32/sysenter.S b/arch/x86/vdso/vdso32/sysenter.S
index e2800affa754..e354bceee0e0 100644
--- a/arch/x86/vdso/vdso32/sysenter.S
+++ b/arch/x86/vdso/vdso32/sysenter.S
@@ -43,7 +43,7 @@ __kernel_vsyscall:
        .space 7,0x90
        /* 14: System call restart point is here! (SYSENTER_RETURN-2) */
-        jmp .Lenter_kernel
+        int $0x80
        /* 16: System call normal return point is here! */
 VDSO32_SYSENTER_RETURN: /* Symbol used by sysenter.c via vdso32-syms.h */
        pop %ebp
diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile
index 3326204e251f..add2c2d729ce 100644
--- a/arch/x86/xen/Makefile
+++ b/arch/x86/xen/Makefile
@@ -15,7 +15,7 @@ obj-y		:= enlighten.o setup.o multicalls.o mmu.o irq.o \
                        grant-table.o suspend.o platform-pci-unplug.o \
                        p2m.o
-obj-$(CONFIG_FTRACE) += trace.o
+obj-$(CONFIG_EVENT_TRACING) += trace.o
 obj-$(CONFIG_SMP)               += smp.o
 obj-$(CONFIG_PARAVIRT_SPINLOCKS)+= spinlock.o
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 974a528458a0..2d69617950f7 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -77,8 +77,8 @@ EXPORT_SYMBOL_GPL(xen_domain_type);
 unsigned long *machine_to_phys_mapping = (void *)MACH2PHYS_VIRT_START;
 EXPORT_SYMBOL(machine_to_phys_mapping);
-unsigned int   machine_to_phys_order;
+unsigned long  machine_to_phys_nr;
-EXPORT_SYMBOL(machine_to_phys_order);
+EXPORT_SYMBOL(machine_to_phys_nr);
 struct start_info *xen_start_info;
 EXPORT_SYMBOL_GPL(xen_start_info);
@@ -951,6 +951,10 @@ static const struct pv_info xen_info __initconst = {
        .paravirt_enabled = 1,
        .shared_kernel_pmd = 0,
+#ifdef CONFIG_X86_64
+        .extra_user_64bit_cs = FLAT_USER_CS64,
+#endif
        .name = "Xen",
 };
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index f987bde77c49..3dd53f997b11 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1713,15 +1713,17 @@ static void __init xen_map_identity_early(pmd_t *pmd, unsigned long max_pfn)
 void __init xen_setup_machphys_mapping(void)
 {
        struct xen_machphys_mapping mapping;
-        unsigned long machine_to_phys_nr_ents;
        if (HYPERVISOR_memory_op(XENMEM_machphys_mapping, &mapping) == 0) {
                machine_to_phys_mapping = (unsigned long *)mapping.v_start;
-                machine_to_phys_nr_ents = mapping.max_mfn + 1;
+                machine_to_phys_nr = mapping.max_mfn + 1;
        } else {
-                machine_to_phys_nr_ents = MACH2PHYS_NR_ENTRIES;
+                machine_to_phys_nr = MACH2PHYS_NR_ENTRIES;
        }
-        machine_to_phys_order = fls(machine_to_phys_nr_ents - 1);
+#ifdef CONFIG_X86_32
+        WARN_ON((machine_to_phys_mapping + (machine_to_phys_nr - 1))
+                < machine_to_phys_mapping);
+#endif
 }
 #ifdef CONFIG_X86_64
@@ -1916,6 +1918,7 @@ static void xen_set_fixmap(unsigned idx, phys_addr_t phys, pgprot_t prot)
 # endif
 #else
        case VSYSCALL_LAST_PAGE ... VSYSCALL_FIRST_PAGE:
+        case VVAR_PAGE:
 #endif
        case FIX_TEXT_POKE0:
        case FIX_TEXT_POKE1:
@@ -1956,7 +1959,8 @@ static void xen_set_fixmap(unsigned idx, phys_addr_t phys, pgprot_t prot)
 #ifdef CONFIG_X86_64
        /* Replicate changes to map the vsyscall page into the user
           pagetable vsyscall mapping. */
-        if (idx >= VSYSCALL_LAST_PAGE && idx <= VSYSCALL_FIRST_PAGE) {
+        if ((idx >= VSYSCALL_LAST_PAGE && idx <= VSYSCALL_FIRST_PAGE) ||
+            idx == VVAR_PAGE) {
                unsigned long vaddr = __fix_to_virt(idx);
                set_pte_vaddr_pud(level3_user_vsyscall, vaddr, pte);
        }
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index df118a825f39..46d6d21dbdbe 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -184,6 +184,19 @@ static unsigned long __init xen_set_identity(const struct e820entry *list,
                                        PFN_UP(start_pci), PFN_DOWN(last));
        return identity;
 }
+static unsigned long __init xen_get_max_pages(void)
+{
+        unsigned long max_pages = MAX_DOMAIN_PAGES;
+        domid_t domid = DOMID_SELF;
+        int ret;
+        ret = HYPERVISOR_memory_op(XENMEM_maximum_reservation, &domid);
+        if (ret > 0)
+                max_pages = ret;
+        return min(max_pages, MAX_DOMAIN_PAGES);
+}
 /**
 * machine_specific_memory_setup - Hook for machine specific memory setup.
 **/
@@ -292,6 +305,14 @@ char * __init xen_memory_setup(void)
        sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
+        extra_limit = xen_get_max_pages();
+        if (max_pfn + extra_pages > extra_limit) {
+                if (extra_limit > max_pfn)
+                        extra_pages = extra_limit - max_pfn;
+                else
+                        extra_pages = 0;
+        }
        extra_pages += xen_return_unused_memory(xen_start_info->nr_pages, &e820);
        /*
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index b4533a86d7e4..041d4fe9dfe4 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -32,6 +32,7 @@
 #include <xen/page.h>
 #include <xen/events.h>
+#include <xen/hvc-console.h>
 #include "xen-ops.h"
 #include "mmu.h"
@@ -207,6 +208,15 @@ static void __init xen_smp_prepare_cpus(unsigned int max_cpus)
        unsigned cpu;
        unsigned int i;
+        if (skip_ioapic_setup) {
+                char *m = (max_cpus == 0) ?
+                        "The nosmp parameter is incompatible with Xen; " \
+                        "use Xen dom0_max_vcpus=1 parameter" :
+                        "The noapic parameter is incompatible with Xen";
+                xen_raw_printk(m);
+                panic(m);
+        }
        xen_init_lock_cpu(0);
        smp_store_cpu_info(0);
@@ -521,10 +531,7 @@ static void __init xen_hvm_smp_prepare_cpus(unsigned int max_cpus)
        native_smp_prepare_cpus(max_cpus);
        WARN_ON(xen_smp_intr_init(0));
-        if (!xen_have_vector_callback)
-                return;
        xen_init_lock_cpu(0);
-        xen_init_spinlocks();
 }
 static int __cpuinit xen_hvm_cpu_up(unsigned int cpu)
@@ -546,6 +553,8 @@ static void xen_hvm_cpu_die(unsigned int cpu)
 void __init xen_hvm_smp_init(void)
 {
+        if (!xen_have_vector_callback)
+                return;
        smp_ops.smp_prepare_cpus = xen_hvm_smp_prepare_cpus;
        smp_ops.smp_send_reschedule = xen_smp_send_reschedule;
        smp_ops.cpu_up = xen_hvm_cpu_up;
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index 5158c505bef9..163b4679556e 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -168,9 +168,10 @@ cycle_t xen_clocksource_read(void)
        struct pvclock_vcpu_time_info *src;
        cycle_t ret;
-        src = &get_cpu_var(xen_vcpu)->time;
+        preempt_disable_notrace();
+        src = &__get_cpu_var(xen_vcpu)->time;
        ret = pvclock_clocksource_read(src);
-        put_cpu_var(xen_vcpu);
+        preempt_enable_notrace();
        return ret;
 }
diff --git a/arch/x86/xen/xen-asm_32.S b/arch/x86/xen/xen-asm_32.S
index 22a2093b5862..b040b0e518ca 100644
--- a/arch/x86/xen/xen-asm_32.S
+++ b/arch/x86/xen/xen-asm_32.S
@@ -113,11 +113,13 @@ xen_iret_start_crit:
        /*
         * If there's something pending, mask events again so we can
-         * jump back into xen_hypervisor_callback
+         * jump back into xen_hypervisor_callback. Otherwise do not
+         * touch XEN_vcpu_info_mask.
         */
-        sete XEN_vcpu_info_mask(%eax)
+        jne 1f
+        movb $1, XEN_vcpu_info_mask(%eax)
-        popl %eax
+1:      popl %eax
        /*
         * From this point on the registers are restored and the stack
diff --git a/arch/xtensa/include/asm/unistd.h b/arch/xtensa/include/asm/unistd.h
index a6f934f37f1a..798ee6d285a1 100644
--- a/arch/xtensa/include/asm/unistd.h
+++ b/arch/xtensa/include/asm/unistd.h
@@ -455,7 +455,7 @@ __SYSCALL(203, sys_reboot, 3)
 #define __NR_quotactl                           204
 __SYSCALL(204, sys_quotactl, 4)
 #define __NR_nfsservctl                         205
-__SYSCALL(205, sys_nfsservctl, 3)
+__SYSCALL(205, sys_ni_syscall, 0)
 #define __NR__sysctl                            206
 __SYSCALL(206, sys_sysctl, 1)
 #define __NR_bdflush                            207