164 files changed, 924 insertions, 448 deletions
diff --git a/arch/alpha/include/asm/futex.h b/arch/alpha/include/asm/futex.h
index e8a761aee088..f939794363ac 100644
--- a/arch/alpha/include/asm/futex.h
+++ b/arch/alpha/include/asm/futex.h
@@ -108,7 +108,7 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
        "       lda     $31,3b-2b(%0)\n"
        "       .previous\n"
        :       "+r"(ret), "=&r"(prev), "=&r"(cmp)
-        :       "r"(uaddr), "r"((long)oldval), "r"(newval)
+        :       "r"(uaddr), "r"((long)(int)oldval), "r"(newval)
        :       "memory");
        *uval = prev;
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index a48aecc17eac..dfb0312f4e73 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1280,7 +1280,7 @@ config ARM_ERRATA_743622
        depends on CPU_V7
        help
          This option enables the workaround for the 743622 Cortex-A9
-          (r2p0..r2p2) erratum. Under very rare conditions, a faulty
+          (r2p*) erratum. Under very rare conditions, a faulty
          optimisation in the Cortex-A9 Store Buffer may lead to data
          corruption. This workaround sets a specific bit in the diagnostic
          register of the Cortex-A9 which disables the Store Buffer
diff --git a/arch/arm/boot/.gitignore b/arch/arm/boot/.gitignore
index ce1c5ff746e7..3c79f85975aa 100644
--- a/arch/arm/boot/.gitignore
+++ b/arch/arm/boot/.gitignore
@@ -3,3 +3,4 @@ zImage
 xipImage
 bootpImage
 uImage
+*.dtb
diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c
index d1bcd7b13ebc..fb1f1cfce60c 100644
--- a/arch/arm/common/it8152.c
+++ b/arch/arm/common/it8152.c
@@ -320,13 +320,6 @@ err0:
        return -EBUSY;
 }
-/*
- * If we set up a device for bus mastering, we need to check the latency
- * timer as we don't have even crappy BIOSes to set it properly.
- * The implementation is from arch/i386/pci/i386.c
- */
-unsigned int pcibios_max_latency = 255;
 /* ITE bridge requires setting latency timer to avoid early bus access
   termination by PCI bus master devices
 */
diff --git a/arch/arm/common/pl330.c b/arch/arm/common/pl330.c
index d8e44a43047c..ff3ad2244824 100644
--- a/arch/arm/common/pl330.c
+++ b/arch/arm/common/pl330.c
@@ -1502,12 +1502,13 @@ int pl330_chan_ctrl(void *ch_id, enum pl330_chan_op op)
        struct pl330_thread *thrd = ch_id;
        struct pl330_dmac *pl330;
        unsigned long flags;
-        int ret = 0, active = thrd->req_running;
+        int ret = 0, active;
        if (!thrd || thrd->free || thrd->dmac->state == DYING)
                return -EINVAL;
        pl330 = thrd->dmac;
+        active = thrd->req_running;
        spin_lock_irqsave(&pl330->lock, flags);
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 62f8095d46de..23371b17b23e 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -137,6 +137,11 @@
        disable_irq
        .endm
+        .macro  save_and_disable_irqs_notrace, oldcpsr
+        mrs     \oldcpsr, cpsr
+        disable_irq_notrace
+        .endm
 /*
 * Restore interrupt state previously stored in a register.  We don't
 * guarantee that this will preserve the flags.
diff --git a/arch/arm/include/asm/hardware/pl330.h b/arch/arm/include/asm/hardware/pl330.h
index 575fa8186ca0..c1821385abfa 100644
--- a/arch/arm/include/asm/hardware/pl330.h
+++ b/arch/arm/include/asm/hardware/pl330.h
@@ -41,7 +41,7 @@ enum pl330_dstcachectrl {
        DCCTRL1, /* Bufferable only */
        DCCTRL2, /* Cacheable, but do not allocate */
        DCCTRL3, /* Cacheable and bufferable, but do not allocate */
-        DINVALID1 = 8,
+        DINVALID1,              /* AWCACHE = 0x1000 */
        DINVALID2,
        DCCTRL6, /* Cacheable write-through, allocate on writes only */
        DCCTRL7, /* Cacheable write-back, allocate on writes only */
diff --git a/arch/arm/include/asm/pmu.h b/arch/arm/include/asm/pmu.h
index b5a5be2536c1..90114faa9f3c 100644
--- a/arch/arm/include/asm/pmu.h
+++ b/arch/arm/include/asm/pmu.h
@@ -134,7 +134,7 @@ int __init armpmu_register(struct arm_pmu *armpmu, char *name, int type);
 u64 armpmu_event_update(struct perf_event *event,
                        struct hw_perf_event *hwc,
-                        int idx, int overflow);
+                        int idx);
 int armpmu_event_set_period(struct perf_event *event,
                            struct hw_perf_event *hwc,
diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h
index ce280b8d613c..cb8d638924fd 100644
--- a/arch/arm/include/asm/processor.h
+++ b/arch/arm/include/asm/processor.h
@@ -22,6 +22,7 @@
 #include <asm/hw_breakpoint.h>
 #include <asm/ptrace.h>
 #include <asm/types.h>
+#include <asm/system.h>
 #ifdef __KERNEL__
 #define STACK_TOP       ((current->personality & ADDR_LIMIT_32BIT) ? \
diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c
index 4dd0edab6a65..1651d4950744 100644
--- a/arch/arm/kernel/ecard.c
+++ b/arch/arm/kernel/ecard.c
@@ -242,6 +242,7 @@ static void ecard_init_pgtables(struct mm_struct *mm)
        memcpy(dst_pgd, src_pgd, sizeof(pgd_t) * (EASI_SIZE / PGDIR_SIZE));
+        vma.vm_flags = VM_EXEC;
        vma.vm_mm = mm;
        flush_tlb_range(&vma, IO_START, IO_START + IO_SIZE);
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 5bb91bf3d47f..b2abfa18f137 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -180,7 +180,7 @@ armpmu_event_set_period(struct perf_event *event,
 u64
 armpmu_event_update(struct perf_event *event,
                    struct hw_perf_event *hwc,
-                    int idx, int overflow)
+                    int idx)
 {
        struct arm_pmu *armpmu = to_arm_pmu(event->pmu);
        u64 delta, prev_raw_count, new_raw_count;
@@ -193,13 +193,7 @@ again:
                             new_raw_count) != prev_raw_count)
                goto again;
-        new_raw_count &= armpmu->max_period;
+        delta = (new_raw_count - prev_raw_count) & armpmu->max_period;
-        prev_raw_count &= armpmu->max_period;
-        if (overflow)
-                delta = armpmu->max_period - prev_raw_count + new_raw_count + 1;
-        else
-                delta = new_raw_count - prev_raw_count;
        local64_add(delta, &event->count);
        local64_sub(delta, &hwc->period_left);
@@ -216,7 +210,7 @@ armpmu_read(struct perf_event *event)
        if (hwc->idx < 0)
                return;
-        armpmu_event_update(event, hwc, hwc->idx, 0);
+        armpmu_event_update(event, hwc, hwc->idx);
 }
 static void
@@ -232,7 +226,7 @@ armpmu_stop(struct perf_event *event, int flags)
        if (!(hwc->state & PERF_HES_STOPPED)) {
                armpmu->disable(hwc, hwc->idx);
                barrier(); /* why? */
-                armpmu_event_update(event, hwc, hwc->idx, 0);
+                armpmu_event_update(event, hwc, hwc->idx);
                hwc->state |= PERF_HES_STOPPED | PERF_HES_UPTODATE;
        }
 }
@@ -518,7 +512,13 @@ __hw_perf_event_init(struct perf_event *event)
        hwc->config_base            |= (unsigned long)mapping;
        if (!hwc->sample_period) {
-                hwc->sample_period  = armpmu->max_period;
+                /*
+                 * For non-sampling runs, limit the sample_period to half
+                 * of the counter width. That way, the new counter value
+                 * is far less likely to overtake the previous one unless
+                 * you have some serious IRQ latency issues.
+                 */
+                hwc->sample_period  = armpmu->max_period >> 1;
                hwc->last_period    = hwc->sample_period;
                local64_set(&hwc->period_left, hwc->sample_period);
        }
@@ -680,6 +680,28 @@ static void __init cpu_pmu_init(struct arm_pmu *armpmu)
 }
 /*
+ * PMU hardware loses all context when a CPU goes offline.
+ * When a CPU is hotplugged back in, since some hardware registers are
+ * UNKNOWN at reset, the PMU must be explicitly reset to avoid reading
+ * junk values out of them.
+ */
+static int __cpuinit pmu_cpu_notify(struct notifier_block *b,
+                                        unsigned long action, void *hcpu)
+{
+        if ((action & ~CPU_TASKS_FROZEN) != CPU_STARTING)
+                return NOTIFY_DONE;
+        if (cpu_pmu && cpu_pmu->reset)
+                cpu_pmu->reset(NULL);
+        return NOTIFY_OK;
+}
+static struct notifier_block __cpuinitdata pmu_cpu_notifier = {
+        .notifier_call = pmu_cpu_notify,
+};
+/*
 * CPU PMU identification and registration.
 */
 static int __init
@@ -730,6 +752,7 @@ init_hw_perf_events(void)
                pr_info("enabled with %s PMU driver, %d counters available\n",
                        cpu_pmu->name, cpu_pmu->num_events);
                cpu_pmu_init(cpu_pmu);
+                register_cpu_notifier(&pmu_cpu_notifier);
                armpmu_register(cpu_pmu, "cpu", PERF_TYPE_RAW);
        } else {
                pr_info("no hardware support available\n");
diff --git a/arch/arm/kernel/perf_event_v6.c b/arch/arm/kernel/perf_event_v6.c
index 533be9930ec2..b78af0cc6ef3 100644
--- a/arch/arm/kernel/perf_event_v6.c
+++ b/arch/arm/kernel/perf_event_v6.c
@@ -467,23 +467,6 @@ armv6pmu_enable_event(struct hw_perf_event *hwc,
        raw_spin_unlock_irqrestore(&events->pmu_lock, flags);
 }
-static int counter_is_active(unsigned long pmcr, int idx)
-{
-        unsigned long mask = 0;
-        if (idx == ARMV6_CYCLE_COUNTER)
-                mask = ARMV6_PMCR_CCOUNT_IEN;
-        else if (idx == ARMV6_COUNTER0)
-                mask = ARMV6_PMCR_COUNT0_IEN;
-        else if (idx == ARMV6_COUNTER1)
-                mask = ARMV6_PMCR_COUNT1_IEN;
-        if (mask)
-                return pmcr & mask;
-        WARN_ONCE(1, "invalid counter number (%d)\n", idx);
-        return 0;
-}
 static irqreturn_t
 armv6pmu_handle_irq(int irq_num,
                    void *dev)
@@ -513,7 +496,8 @@ armv6pmu_handle_irq(int irq_num,
                struct perf_event *event = cpuc->events[idx];
                struct hw_perf_event *hwc;
-                if (!counter_is_active(pmcr, idx))
+                /* Ignore if we don't have an event. */
+                if (!event)
                        continue;
                /*
@@ -524,7 +508,7 @@ armv6pmu_handle_irq(int irq_num,
                        continue;
                hwc = &event->hw;
-                armpmu_event_update(event, hwc, idx, 1);
+                armpmu_event_update(event, hwc, idx);
                data.period = event->hw.last_period;
                if (!armpmu_event_set_period(event, hwc, idx))
                        continue;
diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c
index 6933244c68f9..4d7095af2ab3 100644
--- a/arch/arm/kernel/perf_event_v7.c
+++ b/arch/arm/kernel/perf_event_v7.c
@@ -809,6 +809,11 @@ static inline int armv7_pmnc_disable_intens(int idx)
        counter = ARMV7_IDX_TO_COUNTER(idx);
        asm volatile("mcr p15, 0, %0, c9, c14, 2" : : "r" (BIT(counter)));
+        isb();
+        /* Clear the overflow flag in case an interrupt is pending. */
+        asm volatile("mcr p15, 0, %0, c9, c12, 3" : : "r" (BIT(counter)));
+        isb();
        return idx;
 }
@@ -955,6 +960,10 @@ static irqreturn_t armv7pmu_handle_irq(int irq_num, void *dev)
                struct perf_event *event = cpuc->events[idx];
                struct hw_perf_event *hwc;
+                /* Ignore if we don't have an event. */
+                if (!event)
+                        continue;
                /*
                 * We have a single interrupt for all counters. Check that
                 * each counter has overflowed before we process it.
@@ -963,7 +972,7 @@ static irqreturn_t armv7pmu_handle_irq(int irq_num, void *dev)
                        continue;
                hwc = &event->hw;
-                armpmu_event_update(event, hwc, idx, 1);
+                armpmu_event_update(event, hwc, idx);
                data.period = event->hw.last_period;
                if (!armpmu_event_set_period(event, hwc, idx))
                        continue;
diff --git a/arch/arm/kernel/perf_event_xscale.c b/arch/arm/kernel/perf_event_xscale.c
index 3b99d8269829..71a21e6712f5 100644
--- a/arch/arm/kernel/perf_event_xscale.c
+++ b/arch/arm/kernel/perf_event_xscale.c
@@ -255,11 +255,14 @@ xscale1pmu_handle_irq(int irq_num, void *dev)
                struct perf_event *event = cpuc->events[idx];
                struct hw_perf_event *hwc;
+                if (!event)
+                        continue;
                if (!xscale1_pmnc_counter_has_overflowed(pmnc, idx))
                        continue;
                hwc = &event->hw;
-                armpmu_event_update(event, hwc, idx, 1);
+                armpmu_event_update(event, hwc, idx);
                data.period = event->hw.last_period;
                if (!armpmu_event_set_period(event, hwc, idx))
                        continue;
@@ -592,11 +595,14 @@ xscale2pmu_handle_irq(int irq_num, void *dev)
                struct perf_event *event = cpuc->events[idx];
                struct hw_perf_event *hwc;
-                if (!xscale2_pmnc_counter_has_overflowed(pmnc, idx))
+                if (!event)
+                        continue;
+                if (!xscale2_pmnc_counter_has_overflowed(of_flags, idx))
                        continue;
                hwc = &event->hw;
-                armpmu_event_update(event, hwc, idx, 1);
+                armpmu_event_update(event, hwc, idx);
                data.period = event->hw.last_period;
                if (!armpmu_event_set_period(event, hwc, idx))
                        continue;
@@ -663,7 +669,7 @@ xscale2pmu_enable_event(struct hw_perf_event *hwc, int idx)
 static void
 xscale2pmu_disable_event(struct hw_perf_event *hwc, int idx)
 {
-        unsigned long flags, ien, evtsel;
+        unsigned long flags, ien, evtsel, of_flags;
        struct pmu_hw_events *events = cpu_pmu->get_hw_events();
        ien = xscale2pmu_read_int_enable();
@@ -672,26 +678,31 @@ xscale2pmu_disable_event(struct hw_perf_event *hwc, int idx)
        switch (idx) {
        case XSCALE_CYCLE_COUNTER:
                ien &= ~XSCALE2_CCOUNT_INT_EN;
+                of_flags = XSCALE2_CCOUNT_OVERFLOW;
                break;
        case XSCALE_COUNTER0:
                ien &= ~XSCALE2_COUNT0_INT_EN;
                evtsel &= ~XSCALE2_COUNT0_EVT_MASK;
                evtsel |= XSCALE_PERFCTR_UNUSED << XSCALE2_COUNT0_EVT_SHFT;
+                of_flags = XSCALE2_COUNT0_OVERFLOW;
                break;
        case XSCALE_COUNTER1:
                ien &= ~XSCALE2_COUNT1_INT_EN;
                evtsel &= ~XSCALE2_COUNT1_EVT_MASK;
                evtsel |= XSCALE_PERFCTR_UNUSED << XSCALE2_COUNT1_EVT_SHFT;
+                of_flags = XSCALE2_COUNT1_OVERFLOW;
                break;
        case XSCALE_COUNTER2:
                ien &= ~XSCALE2_COUNT2_INT_EN;
                evtsel &= ~XSCALE2_COUNT2_EVT_MASK;
                evtsel |= XSCALE_PERFCTR_UNUSED << XSCALE2_COUNT2_EVT_SHFT;
+                of_flags = XSCALE2_COUNT2_OVERFLOW;
                break;
        case XSCALE_COUNTER3:
                ien &= ~XSCALE2_COUNT3_INT_EN;
                evtsel &= ~XSCALE2_COUNT3_EVT_MASK;
                evtsel |= XSCALE_PERFCTR_UNUSED << XSCALE2_COUNT3_EVT_SHFT;
+                of_flags = XSCALE2_COUNT3_OVERFLOW;
                break;
        default:
                WARN_ONCE(1, "invalid counter number (%d)\n", idx);
@@ -701,6 +712,7 @@ xscale2pmu_disable_event(struct hw_perf_event *hwc, int idx)
        raw_spin_lock_irqsave(&events->pmu_lock, flags);
        xscale2pmu_write_event_select(evtsel);
        xscale2pmu_write_int_enable(ien);
+        xscale2pmu_write_overflow_flags(of_flags);
        raw_spin_unlock_irqrestore(&events->pmu_lock, flags);
 }
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index e33870ff0ac0..ede6443c34d9 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -23,6 +23,7 @@
 #include <linux/perf_event.h>
 #include <linux/hw_breakpoint.h>
 #include <linux/regset.h>
+#include <linux/audit.h>
 #include <asm/pgtable.h>
 #include <asm/system.h>
@@ -904,6 +905,12 @@ long arch_ptrace(struct task_struct *child, long request,
        return ret;
 }
+#ifdef __ARMEB__
+#define AUDIT_ARCH_NR AUDIT_ARCH_ARMEB
+#else
+#define AUDIT_ARCH_NR AUDIT_ARCH_ARM
+#endif
 asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno)
 {
        unsigned long ip;
@@ -918,7 +925,7 @@ asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno)
        if (!ip)
                audit_syscall_exit(regs);
        else
-                audit_syscall_entry(AUDIT_ARCH_ARMEB, scno, regs->ARM_r0,
+                audit_syscall_entry(AUDIT_ARCH_NR, scno, regs->ARM_r0,
                                    regs->ARM_r1, regs->ARM_r2, regs->ARM_r3);
        if (!test_thread_flag(TIF_SYSCALL_TRACE))
diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c
index 4285daa077b0..7a79b24597b2 100644
--- a/arch/arm/kernel/smp_twd.c
+++ b/arch/arm/kernel/smp_twd.c
@@ -129,7 +129,7 @@ static struct notifier_block twd_cpufreq_nb = {
 static int twd_cpufreq_init(void)
 {
-        if (!IS_ERR(twd_clk))
+        if (twd_evt && *__this_cpu_ptr(twd_evt) && !IS_ERR(twd_clk))
                return cpufreq_register_notifier(&twd_cpufreq_nb,
                        CPUFREQ_TRANSITION_NOTIFIER);
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index b7582dd10dc3..96e2adcd5a84 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -38,10 +38,6 @@
 #if defined(CONFIG_AT_HDMAC) || defined(CONFIG_AT_HDMAC_MODULE)
 static u64 hdmac_dmamask = DMA_BIT_MASK(32);
-static struct at_dma_platform_data atdma_pdata = {
-        .nr_channels    = 8,
-};
 static struct resource hdmac_resources[] = {
        [0] = {
                .start  = AT91SAM9G45_BASE_DMA,
@@ -56,12 +52,11 @@ static struct resource hdmac_resources[] = {
 };
 static struct platform_device at_hdmac_device = {
-        .name           = "at_hdmac",
+        .name           = "at91sam9g45_dma",
        .id             = -1,
        .dev            = {
                                .dma_mask               = &hdmac_dmamask,
                                .coherent_dma_mask      = DMA_BIT_MASK(32),
-                                .platform_data          = &atdma_pdata,
        },
        .resource       = hdmac_resources,
        .num_resources  = ARRAY_SIZE(hdmac_resources),
@@ -69,9 +64,15 @@ static struct platform_device at_hdmac_device = {
 void __init at91_add_device_hdmac(void)
 {
-        dma_cap_set(DMA_MEMCPY, atdma_pdata.cap_mask);
+#if defined(CONFIG_OF)
-        dma_cap_set(DMA_SLAVE, atdma_pdata.cap_mask);
+        struct device_node *of_node =
-        platform_device_register(&at_hdmac_device);
+                of_find_node_by_name(NULL, "dma-controller");
+        if (of_node)
+                of_node_put(of_node);
+        else
+#endif
+                platform_device_register(&at_hdmac_device);
 }
 #else
 void __init at91_add_device_hdmac(void) {}
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index 61908dce9784..9be71c11d0f0 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -33,10 +33,6 @@
 #if defined(CONFIG_AT_HDMAC) || defined(CONFIG_AT_HDMAC_MODULE)
 static u64 hdmac_dmamask = DMA_BIT_MASK(32);
-static struct at_dma_platform_data atdma_pdata = {
-        .nr_channels    = 2,
-};
 static struct resource hdmac_resources[] = {
        [0] = {
                .start  = AT91SAM9RL_BASE_DMA,
@@ -51,12 +47,11 @@ static struct resource hdmac_resources[] = {
 };
 static struct platform_device at_hdmac_device = {
-        .name           = "at_hdmac",
+        .name           = "at91sam9rl_dma",
        .id             = -1,
        .dev            = {
                                .dma_mask               = &hdmac_dmamask,
                                .coherent_dma_mask      = DMA_BIT_MASK(32),
-                                .platform_data          = &atdma_pdata,
        },
        .resource       = hdmac_resources,
        .num_resources  = ARRAY_SIZE(hdmac_resources),
@@ -64,7 +59,6 @@ static struct platform_device at_hdmac_device = {
 void __init at91_add_device_hdmac(void)
 {
-        dma_cap_set(DMA_MEMCPY, atdma_pdata.cap_mask);
        platform_device_register(&at_hdmac_device);
 }
 #else
diff --git a/arch/arm/mach-ep93xx/vision_ep9307.c b/arch/arm/mach-ep93xx/vision_ep9307.c
index d5fb44f16d31..d67d0b4feb6f 100644
--- a/arch/arm/mach-ep93xx/vision_ep9307.c
+++ b/arch/arm/mach-ep93xx/vision_ep9307.c
@@ -34,6 +34,7 @@
 #include <mach/ep93xx_spi.h>
 #include <mach/gpio-ep93xx.h>
+#include <asm/hardware/vic.h>
 #include <asm/mach-types.h>
 #include <asm/mach/map.h>
 #include <asm/mach/arch.h>
@@ -361,6 +362,7 @@ MACHINE_START(VISION_EP9307, "Vision Engraving Systems EP9307")
        .atag_offset    = 0x100,
        .map_io         = vision_map_io,
        .init_irq       = ep93xx_init_irq,
+        .handle_irq     = vic_handle_irq,
        .timer          = &ep93xx_timer,
        .init_machine   = vision_init_machine,
        .restart        = ep93xx_restart,
diff --git a/arch/arm/mach-exynos/mach-universal_c210.c b/arch/arm/mach-exynos/mach-universal_c210.c
index 0fc65ffde8ff..38939956c34f 100644
--- a/arch/arm/mach-exynos/mach-universal_c210.c
+++ b/arch/arm/mach-exynos/mach-universal_c210.c
@@ -13,6 +13,7 @@
 #include <linux/i2c.h>
 #include <linux/gpio_keys.h>
 #include <linux/gpio.h>
+#include <linux/interrupt.h>
 #include <linux/fb.h>
 #include <linux/mfd/max8998.h>
 #include <linux/regulator/machine.h>
@@ -595,6 +596,7 @@ static struct mxt_platform_data qt602240_platform_data = {
        .threshold      = 0x28,
        .voltage        = 2800000,              /* 2.8V */
        .orient         = MXT_DIAGONAL,
+        .irqflags       = IRQF_TRIGGER_FALLING,
 };
 static struct i2c_board_info i2c3_devs[] __initdata = {
diff --git a/arch/arm/mach-lpc32xx/include/mach/irqs.h b/arch/arm/mach-lpc32xx/include/mach/irqs.h
index 2667f52e3b04..9e3b90df32e1 100644
--- a/arch/arm/mach-lpc32xx/include/mach/irqs.h
+++ b/arch/arm/mach-lpc32xx/include/mach/irqs.h
@@ -61,7 +61,7 @@
 */
 #define IRQ_LPC32XX_JTAG_COMM_TX        LPC32XX_SIC1_IRQ(1)
 #define IRQ_LPC32XX_JTAG_COMM_RX        LPC32XX_SIC1_IRQ(2)
-#define IRQ_LPC32XX_GPI_11              LPC32XX_SIC1_IRQ(4)
+#define IRQ_LPC32XX_GPI_28              LPC32XX_SIC1_IRQ(4)
 #define IRQ_LPC32XX_TS_P                LPC32XX_SIC1_IRQ(6)
 #define IRQ_LPC32XX_TS_IRQ              LPC32XX_SIC1_IRQ(7)
 #define IRQ_LPC32XX_TS_AUX              LPC32XX_SIC1_IRQ(8)
diff --git a/arch/arm/mach-lpc32xx/irq.c b/arch/arm/mach-lpc32xx/irq.c
index 4eae566dfdc7..c74de01ab5b6 100644
--- a/arch/arm/mach-lpc32xx/irq.c
+++ b/arch/arm/mach-lpc32xx/irq.c
@@ -118,6 +118,10 @@ static const struct lpc32xx_event_info lpc32xx_events[NR_IRQS] = {
                .event_group = &lpc32xx_event_pin_regs,
                .mask = LPC32XX_CLKPWR_EXTSRC_GPI_06_BIT,
        },
+        [IRQ_LPC32XX_GPI_28] = {
+                .event_group = &lpc32xx_event_pin_regs,
+                .mask = LPC32XX_CLKPWR_EXTSRC_GPI_28_BIT,
+        },
        [IRQ_LPC32XX_GPIO_00] = {
                .event_group = &lpc32xx_event_int_regs,
                .mask = LPC32XX_CLKPWR_INTSRC_GPIO_00_BIT,
@@ -305,9 +309,18 @@ static int lpc32xx_irq_wake(struct irq_data *d, unsigned int state)
                if (state)
                        eventreg |= lpc32xx_events[d->irq].mask;
-                else
+                else {
                        eventreg &= ~lpc32xx_events[d->irq].mask;
+                        /*
+                         * When disabling the wakeup, clear the latched
+                         * event
+                         */
+                        __raw_writel(lpc32xx_events[d->irq].mask,
+                                lpc32xx_events[d->irq].
+                                event_group->rawstat_reg);
+                }
                __raw_writel(eventreg,
                        lpc32xx_events[d->irq].event_group->enab_reg);
@@ -380,13 +393,15 @@ void __init lpc32xx_init_irq(void)
        /* Setup SIC1 */
        __raw_writel(0, LPC32XX_INTC_MASK(LPC32XX_SIC1_BASE));
-        __raw_writel(MIC_APR_DEFAULT, LPC32XX_INTC_POLAR(LPC32XX_SIC1_BASE));
+        __raw_writel(SIC1_APR_DEFAULT, LPC32XX_INTC_POLAR(LPC32XX_SIC1_BASE));
-        __raw_writel(MIC_ATR_DEFAULT, LPC32XX_INTC_ACT_TYPE(LPC32XX_SIC1_BASE));
+        __raw_writel(SIC1_ATR_DEFAULT,
+                                LPC32XX_INTC_ACT_TYPE(LPC32XX_SIC1_BASE));
        /* Setup SIC2 */
        __raw_writel(0, LPC32XX_INTC_MASK(LPC32XX_SIC2_BASE));
-        __raw_writel(MIC_APR_DEFAULT, LPC32XX_INTC_POLAR(LPC32XX_SIC2_BASE));
+        __raw_writel(SIC2_APR_DEFAULT, LPC32XX_INTC_POLAR(LPC32XX_SIC2_BASE));
-        __raw_writel(MIC_ATR_DEFAULT, LPC32XX_INTC_ACT_TYPE(LPC32XX_SIC2_BASE));
+        __raw_writel(SIC2_ATR_DEFAULT,
+                                LPC32XX_INTC_ACT_TYPE(LPC32XX_SIC2_BASE));
        /* Configure supported IRQ's */
        for (i = 0; i < NR_IRQS; i++) {
diff --git a/arch/arm/mach-lpc32xx/serial.c b/arch/arm/mach-lpc32xx/serial.c
index 429cfdbb2b3d..f2735281616a 100644
--- a/arch/arm/mach-lpc32xx/serial.c
+++ b/arch/arm/mach-lpc32xx/serial.c
@@ -88,6 +88,7 @@ struct uartinit {
        char *uart_ck_name;
        u32 ck_mode_mask;
        void __iomem *pdiv_clk_reg;
+        resource_size_t mapbase;
 };
 static struct uartinit uartinit_data[] __initdata = {
@@ -97,6 +98,7 @@ static struct uartinit uartinit_data[] __initdata = {
                .ck_mode_mask =
                        LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 5),
                .pdiv_clk_reg = LPC32XX_CLKPWR_UART5_CLK_CTRL,
+                .mapbase = LPC32XX_UART5_BASE,
        },
 #endif
 #ifdef CONFIG_ARCH_LPC32XX_UART3_SELECT
@@ -105,6 +107,7 @@ static struct uartinit uartinit_data[] __initdata = {
                .ck_mode_mask =
                        LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 3),
                .pdiv_clk_reg = LPC32XX_CLKPWR_UART3_CLK_CTRL,
+                .mapbase = LPC32XX_UART3_BASE,
        },
 #endif
 #ifdef CONFIG_ARCH_LPC32XX_UART4_SELECT
@@ -113,6 +116,7 @@ static struct uartinit uartinit_data[] __initdata = {
                .ck_mode_mask =
                        LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 4),
                .pdiv_clk_reg = LPC32XX_CLKPWR_UART4_CLK_CTRL,
+                .mapbase = LPC32XX_UART4_BASE,
        },
 #endif
 #ifdef CONFIG_ARCH_LPC32XX_UART6_SELECT
@@ -121,6 +125,7 @@ static struct uartinit uartinit_data[] __initdata = {
                .ck_mode_mask =
                        LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 6),
                .pdiv_clk_reg = LPC32XX_CLKPWR_UART6_CLK_CTRL,
+                .mapbase = LPC32XX_UART6_BASE,
        },
 #endif
 };
@@ -165,11 +170,24 @@ void __init lpc32xx_serial_init(void)
                /* pre-UART clock divider set to 1 */
                __raw_writel(0x0101, uartinit_data[i].pdiv_clk_reg);
+                /*
+                 * Force a flush of the RX FIFOs to work around a
+                 * HW bug
+                 */
+                puart = uartinit_data[i].mapbase;
+                __raw_writel(0xC1, LPC32XX_UART_IIR_FCR(puart));
+                __raw_writel(0x00, LPC32XX_UART_DLL_FIFO(puart));
+                j = LPC32XX_SUART_FIFO_SIZE;
+                while (j--)
+                        tmp = __raw_readl(
+                                LPC32XX_UART_DLL_FIFO(puart));
+                __raw_writel(0, LPC32XX_UART_IIR_FCR(puart));
        }
        /* This needs to be done after all UART clocks are setup */
        __raw_writel(clkmodes, LPC32XX_UARTCTL_CLKMODE);
-        for (i = 0; i < ARRAY_SIZE(uartinit_data) - 1; i++) {
+        for (i = 0; i < ARRAY_SIZE(uartinit_data); i++) {
                /* Force a flush of the RX FIFOs to work around a HW bug */
                puart = serial_std_platform_data[i].mapbase;
                __raw_writel(0xC1, LPC32XX_UART_IIR_FCR(puart));
diff --git a/arch/arm/mach-mmp/aspenite.c b/arch/arm/mach-mmp/aspenite.c
index 17cb76060125..3588a5584153 100644
--- a/arch/arm/mach-mmp/aspenite.c
+++ b/arch/arm/mach-mmp/aspenite.c
@@ -17,7 +17,6 @@
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/nand.h>
 #include <linux/interrupt.h>
-#include <linux/gpio.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
diff --git a/arch/arm/mach-mmp/pxa168.c b/arch/arm/mach-mmp/pxa168.c
index 7bc17eaa12eb..ada1213982b4 100644
--- a/arch/arm/mach-mmp/pxa168.c
+++ b/arch/arm/mach-mmp/pxa168.c
@@ -24,7 +24,6 @@
 #include <mach/dma.h>
 #include <mach/devices.h>
 #include <mach/mfp.h>
-#include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
 #include <mach/pxa168.h>
diff --git a/arch/arm/mach-mmp/tavorevb.c b/arch/arm/mach-mmp/tavorevb.c
index 8e3b5af04a57..bc97170125bf 100644
--- a/arch/arm/mach-mmp/tavorevb.c
+++ b/arch/arm/mach-mmp/tavorevb.c
@@ -12,7 +12,6 @@
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/smc91x.h>
-#include <linux/gpio.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
diff --git a/arch/arm/mach-omap1/board-innovator.c b/arch/arm/mach-omap1/board-innovator.c
index 309369ea6978..be2002f42dea 100644
--- a/arch/arm/mach-omap1/board-innovator.c
+++ b/arch/arm/mach-omap1/board-innovator.c
@@ -416,13 +416,13 @@ static void __init innovator_init(void)
 #ifdef CONFIG_ARCH_OMAP15XX
        if (cpu_is_omap1510()) {
                omap1_usb_init(&innovator1510_usb_config);
-                innovator_config[1].data = &innovator1510_lcd_config;
+                innovator_config[0].data = &innovator1510_lcd_config;
        }
 #endif
 #ifdef CONFIG_ARCH_OMAP16XX
        if (cpu_is_omap1610()) {
                omap1_usb_init(&h2_usb_config);
-                innovator_config[1].data = &innovator1610_lcd_config;
+                innovator_config[0].data = &innovator1610_lcd_config;
        }
 #endif
        omap_board_config = innovator_config;
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index d965da45160e..e20c8ab80b0e 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -364,8 +364,8 @@ config OMAP3_SDRC_AC_TIMING
          going on could result in system crashes;
 config OMAP4_ERRATA_I688
-        bool "OMAP4 errata: Async Bridge Corruption (BROKEN)"
+        bool "OMAP4 errata: Async Bridge Corruption"
-        depends on ARCH_OMAP4 && BROKEN
+        depends on ARCH_OMAP4
        select ARCH_HAS_BARRIERS
        help
          If a data is stalled inside asynchronous bridge because of back
diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
index 42a4d11fad23..672262717601 100644
--- a/arch/arm/mach-omap2/board-n8x0.c
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -371,7 +371,11 @@ static void n8x0_mmc_callback(void *data, u8 card_mask)
        else
                *openp = 0;
+#ifdef CONFIG_MMC_OMAP
        omap_mmc_notify_cover_event(mmc_device, index, *openp);
+#else
+        pr_warn("MMC: notify cover event not available\n");
+#endif
 }
 static int n8x0_mmc_late_init(struct device *dev)
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index c775bead1497..c877236a8442 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -381,7 +381,7 @@ static int omap3evm_twl_gpio_setup(struct device *dev,
        gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");
        /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
-        gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
+        gpio_leds[0].gpio = gpio + TWL4030_GPIO_MAX + 1;
        platform_device_register(&leds_gpio);
diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h
index febffde2ff10..7e9338e8d684 100644
--- a/arch/arm/mach-omap2/common.h
+++ b/arch/arm/mach-omap2/common.h
@@ -132,6 +132,7 @@ void omap3_map_io(void);
 void am33xx_map_io(void);
 void omap4_map_io(void);
 void ti81xx_map_io(void);
+void omap_barriers_init(void);
 /**
 * omap_test_timeout - busy-loop, testing a condition
diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c
index cfdbb86bc84e..72e018b9b260 100644
--- a/arch/arm/mach-omap2/cpuidle44xx.c
+++ b/arch/arm/mach-omap2/cpuidle44xx.c
@@ -65,7 +65,6 @@ static int omap4_enter_idle(struct cpuidle_device *dev,
        struct timespec ts_preidle, ts_postidle, ts_idle;
        u32 cpu1_state;
        int idle_time;
-        int new_state_idx;
        int cpu_id = smp_processor_id();
        /* Used to keep track of the total time in idle */
@@ -84,8 +83,8 @@ static int omap4_enter_idle(struct cpuidle_device *dev,
         */
        cpu1_state = pwrdm_read_pwrst(cpu1_pd);
        if (cpu1_state != PWRDM_POWER_OFF) {
-                new_state_idx = drv->safe_state_index;
+                index = drv->safe_state_index;
-                cx = cpuidle_get_statedata(&dev->states_usage[new_state_idx]);
+                cx = cpuidle_get_statedata(&dev->states_usage[index]);
        }
        if (index > 0)
diff --git a/arch/arm/mach-omap2/gpmc-smsc911x.c b/arch/arm/mach-omap2/gpmc-smsc911x.c
index 997033129d26..bbb870c04a5e 100644
--- a/arch/arm/mach-omap2/gpmc-smsc911x.c
+++ b/arch/arm/mach-omap2/gpmc-smsc911x.c
@@ -19,6 +19,8 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/smsc911x.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <plat/board.h>
 #include <plat/gpmc.h>
@@ -42,6 +44,50 @@ static struct smsc911x_platform_config gpmc_smsc911x_config = {
        .flags          = SMSC911X_USE_16BIT,
 };
+static struct regulator_consumer_supply gpmc_smsc911x_supply[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
+};
+/* Generic regulator definition to satisfy smsc911x */
+static struct regulator_init_data gpmc_smsc911x_reg_init_data = {
+        .constraints = {
+                .min_uV                 = 3300000,
+                .max_uV                 = 3300000,
+                .valid_modes_mask       = REGULATOR_MODE_NORMAL
+                                        | REGULATOR_MODE_STANDBY,
+                .valid_ops_mask         = REGULATOR_CHANGE_MODE
+                                        | REGULATOR_CHANGE_STATUS,
+        },
+        .num_consumer_supplies  = ARRAY_SIZE(gpmc_smsc911x_supply),
+        .consumer_supplies      = gpmc_smsc911x_supply,
+};
+static struct fixed_voltage_config gpmc_smsc911x_fixed_reg_data = {
+        .supply_name            = "gpmc_smsc911x",
+        .microvolts             = 3300000,
+        .gpio                   = -EINVAL,
+        .startup_delay          = 0,
+        .enable_high            = 0,
+        .enabled_at_boot        = 1,
+        .init_data              = &gpmc_smsc911x_reg_init_data,
+};
+/*
+ * Platform device id of 42 is a temporary fix to avoid conflicts
+ * with other reg-fixed-voltage devices. The real fix should
+ * involve the driver core providing a way of dynamically
+ * assigning a unique id on registration for platform devices
+ * in the same name space.
+ */
+static struct platform_device gpmc_smsc911x_regulator = {
+        .name           = "reg-fixed-voltage",
+        .id             = 42,
+        .dev = {
+                .platform_data  = &gpmc_smsc911x_fixed_reg_data,
+        },
+};
 /*
 * Initialize smsc911x device connected to the GPMC. Note that we
 * assume that pin multiplexing is done in the board-*.c file,
@@ -55,6 +101,12 @@ void __init gpmc_smsc911x_init(struct omap_smsc911x_platform_data *board_data)
        gpmc_cfg = board_data;
+        ret = platform_device_register(&gpmc_smsc911x_regulator);
+        if (ret < 0) {
+                pr_err("Unable to register smsc911x regulators: %d\n", ret);
+                return;
+        }
        if (gpmc_cs_request(gpmc_cfg->cs, SZ_16M, &cs_mem_base) < 0) {
                pr_err("Failed to request GPMC mem region\n");
                return;
diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
index b40c28895298..19dd1657245c 100644
--- a/arch/arm/mach-omap2/hsmmc.c
+++ b/arch/arm/mach-omap2/hsmmc.c
@@ -428,6 +428,7 @@ static int omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c,
        return 0;
 }
+static int omap_hsmmc_done;
 #define MAX_OMAP_MMC_HWMOD_NAME_LEN             16
 void omap_init_hsmmc(struct omap2_hsmmc_info *hsmmcinfo, int ctrl_nr)
@@ -491,6 +492,11 @@ void omap2_hsmmc_init(struct omap2_hsmmc_info *controllers)
 {
        u32 reg;
+        if (omap_hsmmc_done)
+                return;
+        omap_hsmmc_done = 1;
        if (!cpu_is_omap44xx()) {
                if (cpu_is_omap2430()) {
                        control_pbias_offset = OMAP243X_CONTROL_PBIAS_LITE;
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 6c5826605eae..719ee423abe2 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -343,6 +343,7 @@ static void __init omap3_check_revision(const char **cpu_rev)
        case 0xb944:
                omap_revision = AM335X_REV_ES1_0;
                *cpu_rev = "1.0";
+                break;
        case 0xb8f2:
                switch (rev) {
                case 0:
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index eb50c29fb644..fb11b44fbdec 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -307,6 +307,7 @@ void __init omapam33xx_map_common_io(void)
 void __init omap44xx_map_common_io(void)
 {
        iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
+        omap_barriers_init();
 }
 #endif
diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
index 609ea2ded7e3..415a6f1cf419 100644
--- a/arch/arm/mach-omap2/mailbox.c
+++ b/arch/arm/mach-omap2/mailbox.c
@@ -281,8 +281,16 @@ static struct omap_mbox mbox_iva_info = {
        .ops    = &omap2_mbox_ops,
        .priv   = &omap2_mbox_iva_priv,
 };
+#endif
-struct omap_mbox *omap2_mboxes[] = { &mbox_dsp_info, &mbox_iva_info, NULL };
+#ifdef CONFIG_ARCH_OMAP2
+struct omap_mbox *omap2_mboxes[] = {
+        &mbox_dsp_info,
+#ifdef CONFIG_SOC_OMAP2420
+        &mbox_iva_info,
+#endif
+        NULL
+};
 #endif
 #if defined(CONFIG_ARCH_OMAP4)
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index fb8bc9fa43b1..611a0e3d54ca 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -218,7 +218,7 @@ static int _omap_mux_get_by_name(struct omap_mux_partition *partition,
        return -ENODEV;
 }
-static int __init
+static int
 omap_mux_get_by_name(const char *muxname,
                        struct omap_mux_partition **found_partition,
                        struct omap_mux **found_mux)
diff --git a/arch/arm/mach-omap2/omap-iommu.c b/arch/arm/mach-omap2/omap-iommu.c
index b8822048e409..ac49384d0285 100644
--- a/arch/arm/mach-omap2/omap-iommu.c
+++ b/arch/arm/mach-omap2/omap-iommu.c
@@ -150,7 +150,8 @@ err_out:
                platform_device_put(omap_iommu_pdev[i]);
        return err;
 }
-module_init(omap_iommu_init);
+/* must be ready before omap3isp is probed */
+subsys_initcall(omap_iommu_init);
 static void __exit omap_iommu_exit(void)
 {
diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
index 40a8fbc07e4b..70de277f5c15 100644
--- a/arch/arm/mach-omap2/omap4-common.c
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -24,12 +24,14 @@
 #include <plat/irqs.h>
 #include <plat/sram.h>
+#include <plat/omap-secure.h>
 #include <mach/hardware.h>
 #include <mach/omap-wakeupgen.h>
 #include "common.h"
 #include "omap4-sar-layout.h"
+#include <linux/export.h>
 #ifdef CONFIG_CACHE_L2X0
 static void __iomem *l2cache_base;
@@ -43,6 +45,9 @@ static void __iomem *sar_ram_base;
 void __iomem *dram_sync, *sram_sync;
+static phys_addr_t paddr;
+static u32 size;
 void omap_bus_sync(void)
 {
        if (dram_sync && sram_sync) {
@@ -51,19 +56,22 @@ void omap_bus_sync(void)
                isb();
        }
 }
+EXPORT_SYMBOL(omap_bus_sync);
-static int __init omap_barriers_init(void)
+/* Steal one page physical memory for barrier implementation */
+int __init omap_barrier_reserve_memblock(void)
 {
-        struct map_desc dram_io_desc[1];
-        phys_addr_t paddr;
-        u32 size;
-        if (!cpu_is_omap44xx())
-                return -ENODEV;
        size = ALIGN(PAGE_SIZE, SZ_1M);
        paddr = arm_memblock_steal(size, SZ_1M);
+        return 0;
+}
+void __init omap_barriers_init(void)
+{
+        struct map_desc dram_io_desc[1];
        dram_io_desc[0].virtual = OMAP4_DRAM_BARRIER_VA;
        dram_io_desc[0].pfn = __phys_to_pfn(paddr);
        dram_io_desc[0].length = size;
@@ -75,9 +83,10 @@ static int __init omap_barriers_init(void)
        pr_info("OMAP4: Map 0x%08llx to 0x%08lx for dram barrier\n",
                (long long) paddr, dram_io_desc[0].virtual);
-        return 0;
 }
-core_initcall(omap_barriers_init);
+#else
+void __init omap_barriers_init(void)
+{}
 #endif
 void __init gic_init_irq(void)
diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c
index 1881fe915149..5a65dd04aa38 100644
--- a/arch/arm/mach-omap2/pm.c
+++ b/arch/arm/mach-omap2/pm.c
@@ -174,14 +174,17 @@ static int __init omap2_set_init_voltage(char *vdd_name, char *clk_name,
        freq = clk->rate;
        clk_put(clk);
+        rcu_read_lock();
        opp = opp_find_freq_ceil(dev, &freq);
        if (IS_ERR(opp)) {
+                rcu_read_unlock();
                pr_err("%s: unable to find boot up OPP for vdd_%s\n",
                        __func__, vdd_name);
                goto exit;
        }
        bootup_volt = opp_get_voltage(opp);
+        rcu_read_unlock();
        if (!bootup_volt) {
                pr_err("%s: unable to find voltage corresponding "
                        "to the bootup OPP for vdd_%s\n", __func__, vdd_name);
diff --git a/arch/arm/mach-omap2/twl-common.c b/arch/arm/mach-omap2/twl-common.c
index 10b20c652e5d..4b57757bf9d1 100644
--- a/arch/arm/mach-omap2/twl-common.c
+++ b/arch/arm/mach-omap2/twl-common.c
@@ -270,7 +270,6 @@ static struct regulator_init_data omap4_vusb_idata = {
        .constraints = {
                .min_uV                 = 3300000,
                .max_uV                 = 3300000,
-                .apply_uV               = true,
                .valid_modes_mask       = REGULATOR_MODE_NORMAL
                                        | REGULATOR_MODE_STANDBY,
                .valid_ops_mask         = REGULATOR_CHANGE_MODE
diff --git a/arch/arm/mach-omap2/usb-host.c b/arch/arm/mach-omap2/usb-host.c
index 771dc781b746..f51348dafafd 100644
--- a/arch/arm/mach-omap2/usb-host.c
+++ b/arch/arm/mach-omap2/usb-host.c
@@ -486,7 +486,7 @@ static void setup_4430ohci_io_mux(const enum usbhs_omap_port_mode *port_mode)
 void __init usbhs_init(const struct usbhs_omap_board_data *pdata)
 {
        struct omap_hwmod       *oh[2];
-        struct omap_device      *od;
+        struct platform_device  *pdev;
        int                     bus_id = -1;
        int                     i;
@@ -522,11 +522,11 @@ void __init usbhs_init(const struct usbhs_omap_board_data *pdata)
                return;
        }
-        od = omap_device_build_ss(OMAP_USBHS_DEVICE, bus_id, oh, 2,
+        pdev = omap_device_build_ss(OMAP_USBHS_DEVICE, bus_id, oh, 2,
                                (void *)&usbhs_data, sizeof(usbhs_data),
                                omap_uhhtll_latency,
                                ARRAY_SIZE(omap_uhhtll_latency), false);
-        if (IS_ERR(od)) {
+        if (IS_ERR(pdev)) {
                pr_err("Could not build hwmod devices %s,%s\n",
                        USBHS_UHH_HWMODNAME, USBHS_TLL_HWMODNAME);
                return;
diff --git a/arch/arm/mach-omap2/voltagedomains3xxx_data.c b/arch/arm/mach-omap2/voltagedomains3xxx_data.c
index c005e2f5e383..57db2038b23c 100644
--- a/arch/arm/mach-omap2/voltagedomains3xxx_data.c
+++ b/arch/arm/mach-omap2/voltagedomains3xxx_data.c
@@ -108,6 +108,7 @@ void __init omap3xxx_voltagedomains_init(void)
         * XXX Will depend on the process, validation, and binning
         * for the currently-running IC
         */
+#ifdef CONFIG_PM_OPP
        if (cpu_is_omap3630()) {
                omap3_voltdm_mpu.volt_data = omap36xx_vddmpu_volt_data;
                omap3_voltdm_core.volt_data = omap36xx_vddcore_volt_data;
@@ -115,6 +116,7 @@ void __init omap3xxx_voltagedomains_init(void)
                omap3_voltdm_mpu.volt_data = omap34xx_vddmpu_volt_data;
                omap3_voltdm_core.volt_data = omap34xx_vddcore_volt_data;
        }
+#endif
        if (cpu_is_omap3517() || cpu_is_omap3505())
                voltdms = voltagedomains_am35xx;
diff --git a/arch/arm/mach-omap2/voltagedomains44xx_data.c b/arch/arm/mach-omap2/voltagedomains44xx_data.c
index 4e11d022595d..c3115f6853d4 100644
--- a/arch/arm/mach-omap2/voltagedomains44xx_data.c
+++ b/arch/arm/mach-omap2/voltagedomains44xx_data.c
@@ -100,9 +100,11 @@ void __init omap44xx_voltagedomains_init(void)
         * XXX Will depend on the process, validation, and binning
         * for the currently-running IC
         */
+#ifdef CONFIG_PM_OPP
        omap4_voltdm_mpu.volt_data = omap44xx_vdd_mpu_volt_data;
        omap4_voltdm_iva.volt_data = omap44xx_vdd_iva_volt_data;
        omap4_voltdm_core.volt_data = omap44xx_vdd_core_volt_data;
+#endif
        for (i = 0; voltdm = voltagedomains_omap4[i], voltdm; i++)
                voltdm->sys_clk.name = sys_clk_name;
diff --git a/arch/arm/mach-pxa/generic.h b/arch/arm/mach-pxa/generic.h
index 0d729e6619df..42d5cca66257 100644
--- a/arch/arm/mach-pxa/generic.h
+++ b/arch/arm/mach-pxa/generic.h
@@ -49,7 +49,6 @@ extern unsigned pxa3xx_get_clk_frequency_khz(int);
 #endif
 extern struct syscore_ops pxa_irq_syscore_ops;
-extern struct syscore_ops pxa_gpio_syscore_ops;
 extern struct syscore_ops pxa2xx_mfp_syscore_ops;
 extern struct syscore_ops pxa3xx_mfp_syscore_ops;
diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c
index fb9b62dcf4ca..208eef1c0485 100644
--- a/arch/arm/mach-pxa/hx4700.c
+++ b/arch/arm/mach-pxa/hx4700.c
@@ -45,6 +45,7 @@
 #include <mach/hx4700.h>
 #include <mach/irda.h>
+#include <sound/ak4641.h>
 #include <video/platform_lcd.h>
 #include <video/w100fb.h>
@@ -765,6 +766,28 @@ static struct i2c_board_info __initdata pi2c_board_info[] = {
 };
 /*
+ * Asahi Kasei AK4641 on I2C
+ */
+static struct ak4641_platform_data ak4641_info = {
+        .gpio_power = GPIO27_HX4700_CODEC_ON,
+        .gpio_npdn  = GPIO109_HX4700_CODEC_nPDN,
+};
+static struct i2c_board_info i2c_board_info[] __initdata = {
+        {
+                I2C_BOARD_INFO("ak4641", 0x12),
+                .platform_data = &ak4641_info,
+        },
+};
+static struct platform_device audio = {
+        .name   = "hx4700-audio",
+        .id     = -1,
+};
+/*
 * PCMCIA
 */
@@ -790,6 +813,7 @@ static struct platform_device *devices[] __initdata = {
        &gpio_vbus,
        &power_supply,
        &strataflash,
+        &audio,
        &pcmcia,
 };
@@ -827,6 +851,7 @@ static void __init hx4700_init(void)
        pxa_set_ficp_info(&ficp_info);
        pxa27x_set_i2c_power_info(NULL);
        pxa_set_i2c_info(NULL);
+        i2c_register_board_info(0, ARRAY_AND_SIZE(i2c_board_info));
        i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
        pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
        spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.c b/arch/arm/mach-pxa/mfp-pxa2xx.c
index f14775536b83..29b62afc6f7c 100644
--- a/arch/arm/mach-pxa/mfp-pxa2xx.c
+++ b/arch/arm/mach-pxa/mfp-pxa2xx.c
@@ -226,6 +226,12 @@ static void __init pxa25x_mfp_init(void)
 {
        int i;
+        /* running before pxa_gpio_probe() */
+#ifdef CONFIG_CPU_PXA26x
+        pxa_last_gpio = 89;
+#else
+        pxa_last_gpio = 84;
+#endif
        for (i = 0; i <= pxa_last_gpio; i++)
                gpio_desc[i].valid = 1;
@@ -295,6 +301,7 @@ static void __init pxa27x_mfp_init(void)
 {
        int i, gpio;
+        pxa_last_gpio = 120;    /* running before pxa_gpio_probe() */
        for (i = 0; i <= pxa_last_gpio; i++) {
                /* skip GPIO2, 5, 6, 7, 8, they are not
                 * valid pins allow configuration
diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c
index 91e4f6c03766..3352b37b60cf 100644
--- a/arch/arm/mach-pxa/pxa25x.c
+++ b/arch/arm/mach-pxa/pxa25x.c
@@ -25,7 +25,6 @@
 #include <linux/suspend.h>
 #include <linux/syscore_ops.h>
 #include <linux/irq.h>
-#include <linux/gpio.h>
 #include <asm/mach/map.h>
 #include <asm/suspend.h>
@@ -209,6 +208,7 @@ static struct clk_lookup pxa25x_clkregs[] = {
        INIT_CLKREG(&clk_pxa25x_gpio11, NULL, "GPIO11_CLK"),
        INIT_CLKREG(&clk_pxa25x_gpio12, NULL, "GPIO12_CLK"),
        INIT_CLKREG(&clk_pxa25x_mem, "pxa2xx-pcmcia", NULL),
+        INIT_CLKREG(&clk_dummy, "pxa-gpio", NULL),
 };
 static struct clk_lookup pxa25x_hwuart_clkreg =
@@ -368,7 +368,6 @@ static int __init pxa25x_init(void)
                register_syscore_ops(&pxa_irq_syscore_ops);
                register_syscore_ops(&pxa2xx_mfp_syscore_ops);
-                register_syscore_ops(&pxa_gpio_syscore_ops);
                register_syscore_ops(&pxa2xx_clock_syscore_ops);
                ret = platform_add_devices(pxa25x_devices,
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index aed6cbcf3866..6bce78edce7a 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -22,7 +22,6 @@
 #include <linux/io.h>
 #include <linux/irq.h>
 #include <linux/i2c/pxa-i2c.h>
-#include <linux/gpio.h>
 #include <asm/mach/map.h>
 #include <mach/hardware.h>
@@ -230,6 +229,7 @@ static struct clk_lookup pxa27x_clkregs[] = {
        INIT_CLKREG(&clk_pxa27x_im, NULL, "IMCLK"),
        INIT_CLKREG(&clk_pxa27x_memc, NULL, "MEMCLK"),
        INIT_CLKREG(&clk_pxa27x_mem, "pxa2xx-pcmcia", NULL),
+        INIT_CLKREG(&clk_dummy, "pxa-gpio", NULL),
 };
 #ifdef CONFIG_PM
@@ -456,7 +456,6 @@ static int __init pxa27x_init(void)
                register_syscore_ops(&pxa_irq_syscore_ops);
                register_syscore_ops(&pxa2xx_mfp_syscore_ops);
-                register_syscore_ops(&pxa_gpio_syscore_ops);
                register_syscore_ops(&pxa2xx_clock_syscore_ops);
                ret = platform_add_devices(devices, ARRAY_SIZE(devices));
diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c
index 4f402afa6609..3918a672238e 100644
--- a/arch/arm/mach-pxa/pxa3xx.c
+++ b/arch/arm/mach-pxa/pxa3xx.c
@@ -462,7 +462,6 @@ static int __init pxa3xx_init(void)
                register_syscore_ops(&pxa_irq_syscore_ops);
                register_syscore_ops(&pxa3xx_mfp_syscore_ops);
-                register_syscore_ops(&pxa_gpio_syscore_ops);
                register_syscore_ops(&pxa3xx_clock_syscore_ops);
                ret = platform_add_devices(devices, ARRAY_SIZE(devices));
diff --git a/arch/arm/mach-pxa/pxa95x.c b/arch/arm/mach-pxa/pxa95x.c
index d082a583df78..5ce434b95e87 100644
--- a/arch/arm/mach-pxa/pxa95x.c
+++ b/arch/arm/mach-pxa/pxa95x.c
@@ -283,7 +283,6 @@ static int __init pxa95x_init(void)
                        return ret;
                register_syscore_ops(&pxa_irq_syscore_ops);
-                register_syscore_ops(&pxa_gpio_syscore_ops);
                register_syscore_ops(&pxa3xx_clock_syscore_ops);
                ret = platform_add_devices(devices, ARRAY_SIZE(devices));
diff --git a/arch/arm/mach-pxa/saarb.c b/arch/arm/mach-pxa/saarb.c
index febc809ed5a6..5aded5e6148f 100644
--- a/arch/arm/mach-pxa/saarb.c
+++ b/arch/arm/mach-pxa/saarb.c
@@ -15,7 +15,6 @@
 #include <linux/i2c.h>
 #include <linux/i2c/pxa-i2c.h>
 #include <linux/mfd/88pm860x.h>
-#include <linux/gpio.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c
index 8d5168d253a9..30989baf7f2a 100644
--- a/arch/arm/mach-pxa/sharpsl_pm.c
+++ b/arch/arm/mach-pxa/sharpsl_pm.c
@@ -168,6 +168,7 @@ struct battery_thresh sharpsl_battery_levels_noac[] = {
 #define MAXCTRL_SEL_SH   4
 #define MAXCTRL_STR      (1u << 7)
+extern int max1111_read_channel(int);
 /*
 * Read MAX1111 ADC
 */
@@ -177,8 +178,6 @@ int sharpsl_pm_pxa_read_max1111(int channel)
        if (machine_is_tosa())
            return 0;
-        extern int max1111_read_channel(int);
        /* max1111 accepts channels from 0-3, however,
         * it is encoded from 0-7 here in the code.
         */
diff --git a/arch/arm/mach-pxa/spitz_pm.c b/arch/arm/mach-pxa/spitz_pm.c
index 34cbdac51525..438f02fe122a 100644
--- a/arch/arm/mach-pxa/spitz_pm.c
+++ b/arch/arm/mach-pxa/spitz_pm.c
@@ -172,10 +172,9 @@ static int spitz_should_wakeup(unsigned int resume_on_alarm)
 static unsigned long spitz_charger_wakeup(void)
 {
        unsigned long ret;
-        ret = (!gpio_get_value(SPITZ_GPIO_KEY_INT)
+        ret = ((!gpio_get_value(SPITZ_GPIO_KEY_INT)
                << GPIO_bit(SPITZ_GPIO_KEY_INT))
-                | (!gpio_get_value(SPITZ_GPIO_SYNC)
+                | gpio_get_value(SPITZ_GPIO_SYNC));
-                << GPIO_bit(SPITZ_GPIO_SYNC));
        return ret;
 }
diff --git a/arch/arm/mach-s3c2440/common.h b/arch/arm/mach-s3c2440/common.h
index db8a98ac68c5..0c1eb1dfc534 100644
--- a/arch/arm/mach-s3c2440/common.h
+++ b/arch/arm/mach-s3c2440/common.h
@@ -12,6 +12,6 @@
 #ifndef __ARCH_ARM_MACH_S3C2440_COMMON_H
 #define __ARCH_ARM_MACH_S3C2440_COMMON_H
-void s3c2440_restart(char mode, const char *cmd);
+void s3c244x_restart(char mode, const char *cmd);
 #endif /* __ARCH_ARM_MACH_S3C2440_COMMON_H */
diff --git a/arch/arm/mach-s3c2440/mach-anubis.c b/arch/arm/mach-s3c2440/mach-anubis.c
index 24569550de1a..19b577bc09b8 100644
--- a/arch/arm/mach-s3c2440/mach-anubis.c
+++ b/arch/arm/mach-s3c2440/mach-anubis.c
@@ -487,5 +487,5 @@ MACHINE_START(ANUBIS, "Simtec-Anubis")
        .init_machine   = anubis_init,
        .init_irq       = s3c24xx_init_irq,
        .timer          = &s3c24xx_timer,
-        .restart        = s3c2440_restart,
+        .restart        = s3c244x_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2440/mach-at2440evb.c b/arch/arm/mach-s3c2440/mach-at2440evb.c
index d6a9763110cd..d7ae49c90118 100644
--- a/arch/arm/mach-s3c2440/mach-at2440evb.c
+++ b/arch/arm/mach-s3c2440/mach-at2440evb.c
@@ -222,5 +222,5 @@ MACHINE_START(AT2440EVB, "AT2440EVB")
        .init_machine   = at2440evb_init,
        .init_irq       = s3c24xx_init_irq,
        .timer          = &s3c24xx_timer,
-        .restart        = s3c2440_restart,
+        .restart        = s3c244x_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c
index 5859e609d28c..9a4a5bc008e6 100644
--- a/arch/arm/mach-s3c2440/mach-gta02.c
+++ b/arch/arm/mach-s3c2440/mach-gta02.c
@@ -601,5 +601,5 @@ MACHINE_START(NEO1973_GTA02, "GTA02")
        .init_irq       = s3c24xx_init_irq,
        .init_machine   = gta02_machine_init,
        .timer          = &s3c24xx_timer,
-        .restart        = s3c2440_restart,
+        .restart        = s3c244x_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2440/mach-mini2440.c b/arch/arm/mach-s3c2440/mach-mini2440.c
index adbbb85bc4cd..5d66fb218a41 100644
--- a/arch/arm/mach-s3c2440/mach-mini2440.c
+++ b/arch/arm/mach-s3c2440/mach-mini2440.c
@@ -701,5 +701,5 @@ MACHINE_START(MINI2440, "MINI2440")
        .init_machine   = mini2440_init,
        .init_irq       = s3c24xx_init_irq,
        .timer          = &s3c24xx_timer,
-        .restart        = s3c2440_restart,
+        .restart        = s3c244x_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2440/mach-nexcoder.c b/arch/arm/mach-s3c2440/mach-nexcoder.c
index 40eaf844bc1f..5198e3e1c5be 100644
--- a/arch/arm/mach-s3c2440/mach-nexcoder.c
+++ b/arch/arm/mach-s3c2440/mach-nexcoder.c
@@ -158,5 +158,5 @@ MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
        .init_machine   = nexcoder_init,
        .init_irq       = s3c24xx_init_irq,
        .timer          = &s3c24xx_timer,
-        .restart        = s3c2440_restart,
+        .restart        = s3c244x_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2440/mach-osiris.c b/arch/arm/mach-s3c2440/mach-osiris.c
index 4c480ef734f6..c5daeb612a88 100644
--- a/arch/arm/mach-s3c2440/mach-osiris.c
+++ b/arch/arm/mach-s3c2440/mach-osiris.c
@@ -436,5 +436,5 @@ MACHINE_START(OSIRIS, "Simtec-OSIRIS")
        .init_irq       = s3c24xx_init_irq,
        .init_machine   = osiris_init,
        .timer          = &s3c24xx_timer,
-        .restart        = s3c2440_restart,
+        .restart        = s3c244x_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2440/mach-rx1950.c b/arch/arm/mach-s3c2440/mach-rx1950.c
index 80077f6472ee..6f68abf44fab 100644
--- a/arch/arm/mach-s3c2440/mach-rx1950.c
+++ b/arch/arm/mach-s3c2440/mach-rx1950.c
@@ -822,5 +822,5 @@ MACHINE_START(RX1950, "HP iPAQ RX1950")
        .init_irq = s3c24xx_init_irq,
        .init_machine = rx1950_init_machine,
        .timer = &s3c24xx_timer,
-        .restart        = s3c2440_restart,
+        .restart        = s3c244x_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2440/mach-rx3715.c b/arch/arm/mach-s3c2440/mach-rx3715.c
index 20103bafbd4b..56af35447598 100644
--- a/arch/arm/mach-s3c2440/mach-rx3715.c
+++ b/arch/arm/mach-s3c2440/mach-rx3715.c
@@ -213,5 +213,5 @@ MACHINE_START(RX3715, "IPAQ-RX3715")
        .init_irq       = rx3715_init_irq,
        .init_machine   = rx3715_init_machine,
        .timer          = &s3c24xx_timer,
-        .restart        = s3c2440_restart,
+        .restart        = s3c244x_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2440/mach-smdk2440.c b/arch/arm/mach-s3c2440/mach-smdk2440.c
index 1deb60d12a60..83a1036d7dcb 100644
--- a/arch/arm/mach-s3c2440/mach-smdk2440.c
+++ b/arch/arm/mach-s3c2440/mach-smdk2440.c
@@ -183,5 +183,5 @@ MACHINE_START(S3C2440, "SMDK2440")
        .map_io         = smdk2440_map_io,
        .init_machine   = smdk2440_machine_init,
        .timer          = &s3c24xx_timer,
-        .restart        = s3c2440_restart,
+        .restart        = s3c244x_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2440/s3c2440.c b/arch/arm/mach-s3c2440/s3c2440.c
index 517623a09fc5..2b3dddb49af7 100644
--- a/arch/arm/mach-s3c2440/s3c2440.c
+++ b/arch/arm/mach-s3c2440/s3c2440.c
@@ -35,7 +35,6 @@
 #include <plat/cpu.h>
 #include <plat/s3c244x.h>
 #include <plat/pm.h>
-#include <plat/watchdog-reset.h>
 #include <plat/gpio-core.h>
 #include <plat/gpio-cfg.h>
@@ -74,15 +73,3 @@ void __init s3c2440_map_io(void)
        s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1up;
        s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1up;
 }
-void s3c2440_restart(char mode, const char *cmd)
-{
-        if (mode == 's') {
-                soft_restart(0);
-        }
-        arch_wdt_reset();
-        /* we'll take a jump through zero as a poor second */
-        soft_restart(0);
-}
diff --git a/arch/arm/mach-s3c2440/s3c244x.c b/arch/arm/mach-s3c2440/s3c244x.c
index 36bc60f61d0a..d15852f642b7 100644
--- a/arch/arm/mach-s3c2440/s3c244x.c
+++ b/arch/arm/mach-s3c2440/s3c244x.c
@@ -46,6 +46,7 @@
 #include <plat/pm.h>
 #include <plat/pll.h>
 #include <plat/nand-core.h>
+#include <plat/watchdog-reset.h>
 static struct map_desc s3c244x_iodesc[] __initdata = {
        IODESC_ENT(CLKPWR),
@@ -196,3 +197,14 @@ struct syscore_ops s3c244x_pm_syscore_ops = {
        .suspend        = s3c244x_suspend,
        .resume         = s3c244x_resume,
 };
+void s3c244x_restart(char mode, const char *cmd)
+{
+        if (mode == 's')
+                soft_restart(0);
+        arch_wdt_reset();
+        /* we'll take a jump through zero as a poor second */
+        soft_restart(0);
+}
diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c
index eff8a96c75ee..068b754bc348 100644
--- a/arch/arm/mach-shmobile/board-ag5evm.c
+++ b/arch/arm/mach-shmobile/board-ag5evm.c
@@ -30,6 +30,7 @@
 #include <linux/serial_sci.h>
 #include <linux/smsc911x.h>
 #include <linux/gpio.h>
+#include <linux/videodev2.h>
 #include <linux/input.h>
 #include <linux/input/sh_keysc.h>
 #include <linux/mmc/host.h>
@@ -37,7 +38,6 @@
 #include <linux/mmc/sh_mobile_sdhi.h>
 #include <linux/mfd/tmio.h>
 #include <linux/sh_clk.h>
-#include <linux/dma-mapping.h>
 #include <video/sh_mobile_lcdc.h>
 #include <video/sh_mipi_dsi.h>
 #include <sound/sh_fsi.h>
@@ -159,19 +159,12 @@ static struct resource sh_mmcif_resources[] = {
        },
 };
-static struct sh_mmcif_dma sh_mmcif_dma = {
-        .chan_priv_rx   = {
-                .slave_id       = SHDMA_SLAVE_MMCIF_RX,
-        },
-        .chan_priv_tx   = {
-                .slave_id       = SHDMA_SLAVE_MMCIF_TX,
-        },
-};
 static struct sh_mmcif_plat_data sh_mmcif_platdata = {
        .sup_pclk       = 0,
        .ocr            = MMC_VDD_165_195,
        .caps           = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
-        .dma            = &sh_mmcif_dma,
+        .slave_id_tx    = SHDMA_SLAVE_MMCIF_TX,
+        .slave_id_rx    = SHDMA_SLAVE_MMCIF_RX,
 };
 static struct platform_device mmc_device = {
@@ -321,12 +314,11 @@ static struct resource mipidsi0_resources[] = {
        },
 };
-#define DSI0PHYCR       0xe615006c
 static int sh_mipi_set_dot_clock(struct platform_device *pdev,
                                 void __iomem *base,
                                 int enable)
 {
-        struct clk *pck;
+        struct clk *pck, *phy;
        int ret;
        pck = clk_get(&pdev->dev, "dsip_clk");
@@ -335,18 +327,27 @@ static int sh_mipi_set_dot_clock(struct platform_device *pdev,
                goto sh_mipi_set_dot_clock_pck_err;
        }
+        phy = clk_get(&pdev->dev, "dsiphy_clk");
+        if (IS_ERR(phy)) {
+                ret = PTR_ERR(phy);
+                goto sh_mipi_set_dot_clock_phy_err;
+        }
        if (enable) {
                clk_set_rate(pck, clk_round_rate(pck,  24000000));
-                __raw_writel(0x2a809010, DSI0PHYCR);
+                clk_set_rate(phy, clk_round_rate(pck, 510000000));
                clk_enable(pck);
+                clk_enable(phy);
        } else {
                clk_disable(pck);
+                clk_disable(phy);
        }
        ret = 0;
+        clk_put(phy);
+sh_mipi_set_dot_clock_phy_err:
        clk_put(pck);
 sh_mipi_set_dot_clock_pck_err:
        return ret;
 }
diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
index aab0a349f759..eeb4d9664584 100644
--- a/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -295,15 +295,6 @@ static struct resource sh_mmcif_resources[] = {
        },
 };
-static struct sh_mmcif_dma sh_mmcif_dma = {
-        .chan_priv_rx   = {
-                .slave_id       = SHDMA_SLAVE_MMCIF_RX,
-        },
-        .chan_priv_tx   = {
-                .slave_id       = SHDMA_SLAVE_MMCIF_TX,
-        },
-};
 static struct sh_mmcif_plat_data sh_mmcif_plat = {
        .sup_pclk       = 0,
        .ocr            = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
@@ -311,7 +302,8 @@ static struct sh_mmcif_plat_data sh_mmcif_plat = {
                          MMC_CAP_8_BIT_DATA |
                          MMC_CAP_NEEDS_POLL,
        .get_cd         = slot_cn7_get_cd,
-        .dma            = &sh_mmcif_dma,
+        .slave_id_tx    = SHDMA_SLAVE_MMCIF_TX,
+        .slave_id_rx    = SHDMA_SLAVE_MMCIF_RX,
 };
 static struct platform_device sh_mmcif_device = {
diff --git a/arch/arm/mach-shmobile/board-kota2.c b/arch/arm/mach-shmobile/board-kota2.c
index 857ceeec1bb0..c8e7ca23fc06 100644
--- a/arch/arm/mach-shmobile/board-kota2.c
+++ b/arch/arm/mach-shmobile/board-kota2.c
@@ -143,11 +143,10 @@ static struct gpio_keys_button gpio_buttons[] = {
 static struct gpio_keys_platform_data gpio_key_info = {
        .buttons        = gpio_buttons,
        .nbuttons       = ARRAY_SIZE(gpio_buttons),
-        .poll_interval  = 250, /* polled for now */
 };
 static struct platform_device gpio_keys_device = {
-        .name   = "gpio-keys-polled", /* polled for now */
+        .name   = "gpio-keys",
        .id     = -1,
        .dev    = {
                .platform_data  = &gpio_key_info,
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index 9b42fbd10f8e..a2813247b455 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -43,7 +43,6 @@
 #include <linux/smsc911x.h>
 #include <linux/sh_intc.h>
 #include <linux/tca6416_keypad.h>
-#include <linux/usb/r8a66597.h>
 #include <linux/usb/renesas_usbhs.h>
 #include <linux/dma-mapping.h>
@@ -145,11 +144,6 @@
 * 1-2 short | VBUS 5V       | Host
 * open      | external VBUS | Function
 *
- * *1
- * CN31 is used as
- * CONFIG_USB_R8A66597_HCD      Host
- * CONFIG_USB_RENESAS_USBHS     Function
- *
 * CAUTION
 *
 * renesas_usbhs driver can use external interrupt mode
@@ -161,15 +155,6 @@
 * mackerel can not use external interrupt (IRQ7-PORT167) mode on "USB0",
 * because Touchscreen is using IRQ7-PORT40.
 * It is impossible to use IRQ7 demux on this board.
- *
- * We can use external interrupt mode USB-Function on "USB1".
- * USB1 can become Host by r8a66597, and become Function by renesas_usbhs.
- * But don't select both drivers in same time.
- * These uses same IRQ number for request_irq(), and aren't supporting
- * IRQF_SHARED / IORESOURCE_IRQ_SHAREABLE.
- *
- * Actually these are old/new version of USB driver.
- * This mean its register will be broken if it supports shared IRQ,
 */
 /*
@@ -208,6 +193,16 @@
 */
 /*
+ * FSI - AK4642
+ *
+ * it needs amixer settings for playing
+ *
+ * amixer set "Headphone" on
+ * amixer set "HPOUTL Mixer DACH" on
+ * amixer set "HPOUTR Mixer DACH" on
+ */
+/*
 * FIXME !!
 *
 * gpio_no_direction
@@ -676,51 +671,16 @@ static struct platform_device usbhs0_device = {
 * Use J30 to select between Host and Function. This setting
 * can however not be detected by software. Hotplug of USBHS1
 * is provided via IRQ8.
+ *
+ * Current USB1 works as "USB Host".
+ *  - set J30 "short"
+ *
+ * If you want to use it as "USB gadget",
+ *  - J30 "open"
+ *  - modify usbhs1_get_id() USBHS_HOST -> USBHS_GADGET
+ *  - add .get_vbus = usbhs_get_vbus in usbhs1_private
 */
 #define IRQ8 evt2irq(0x0300)
-/* USBHS1 USB Host support via r8a66597_hcd */
-static void usb1_host_port_power(int port, int power)
-{
-        if (!power) /* only power-on is supported for now */
-                return;
-        /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
-        __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
-}
-static struct r8a66597_platdata usb1_host_data = {
-        .on_chip        = 1,
-        .port_power     = usb1_host_port_power,
-};
-static struct resource usb1_host_resources[] = {
-        [0] = {
-                .name   = "USBHS1",
-                .start  = 0xe68b0000,
-                .end    = 0xe68b00e6 - 1,
-                .flags  = IORESOURCE_MEM,
-        },
-        [1] = {
-                .start  = evt2irq(0x1ce0) /* USB1_USB1I0 */,
-                .flags  = IORESOURCE_IRQ,
-        },
-};
-static struct platform_device usb1_host_device = {
-        .name   = "r8a66597_hcd",
-        .id     = 1,
-        .dev = {
-                .dma_mask               = NULL,         /*  not use dma */
-                .coherent_dma_mask      = 0xffffffff,
-                .platform_data          = &usb1_host_data,
-        },
-        .num_resources  = ARRAY_SIZE(usb1_host_resources),
-        .resource       = usb1_host_resources,
-};
-/* USBHS1 USB Function support via renesas_usbhs */
 #define USB_PHY_MODE            (1 << 4)
 #define USB_PHY_INT_EN          ((1 << 3) | (1 << 2))
 #define USB_PHY_ON              (1 << 1)
@@ -776,7 +736,7 @@ static void usbhs1_hardware_exit(struct platform_device *pdev)
 static int usbhs1_get_id(struct platform_device *pdev)
 {
-        return USBHS_GADGET;
+        return USBHS_HOST;
 }
 static u32 usbhs1_pipe_cfg[] = {
@@ -807,7 +767,6 @@ static struct usbhs_private usbhs1_private = {
                        .hardware_exit  = usbhs1_hardware_exit,
                        .get_id         = usbhs1_get_id,
                        .phy_reset      = usbhs_phy_reset,
-                        .get_vbus       = usbhs_get_vbus,
                },
                .driver_param = {
                        .buswait_bwait  = 4,
@@ -1184,15 +1143,6 @@ static struct resource sh_mmcif_resources[] = {
        },
 };
-static struct sh_mmcif_dma sh_mmcif_dma = {
-        .chan_priv_rx   = {
-                .slave_id       = SHDMA_SLAVE_MMCIF_RX,
-        },
-        .chan_priv_tx   = {
-                .slave_id       = SHDMA_SLAVE_MMCIF_TX,
-        },
-};
 static struct sh_mmcif_plat_data sh_mmcif_plat = {
        .sup_pclk       = 0,
        .ocr            = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
@@ -1200,7 +1150,8 @@ static struct sh_mmcif_plat_data sh_mmcif_plat = {
                          MMC_CAP_8_BIT_DATA |
                          MMC_CAP_NEEDS_POLL,
        .get_cd         = slot_cn7_get_cd,
-        .dma            = &sh_mmcif_dma,
+        .slave_id_tx    = SHDMA_SLAVE_MMCIF_TX,
+        .slave_id_rx    = SHDMA_SLAVE_MMCIF_RX,
 };
 static struct platform_device sh_mmcif_device = {
@@ -1311,7 +1262,6 @@ static struct platform_device *mackerel_devices[] __initdata = {
        &nor_flash_device,
        &smc911x_device,
        &lcdc_device,
-        &usb1_host_device,
        &usbhs1_device,
        &usbhs0_device,
        &leds_device,
@@ -1473,9 +1423,6 @@ static void __init mackerel_init(void)
        gpio_pull_down(GPIO_PORT167CR); /* VBUS0_1 pull down */
        gpio_request(GPIO_FN_IDIN_1_113, NULL);
-        /* USB phy tweak to make the r8a66597_hcd host driver work */
-        __raw_writew(0x8a0a, 0xe6058130);       /* USBCR4 */
        /* enable FSI2 port A (ak4643) */
        gpio_request(GPIO_FN_FSIAIBT,   NULL);
        gpio_request(GPIO_FN_FSIAILR,   NULL);
diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c
index afbead6a6e17..7727cca6136c 100644
--- a/arch/arm/mach-shmobile/clock-sh73a0.c
+++ b/arch/arm/mach-shmobile/clock-sh73a0.c
@@ -365,6 +365,114 @@ static struct clk div6_clks[DIV6_NR] = {
                        dsi_parent, ARRAY_SIZE(dsi_parent), 12, 3),
 };
+/* DSI DIV */
+static unsigned long dsiphy_recalc(struct clk *clk)
+{
+        u32 value;
+        value = __raw_readl(clk->mapping->base);
+        /* FIXME */
+        if (!(value & 0x000B8000))
+                return clk->parent->rate;
+        value &= 0x3f;
+        value += 1;
+        if ((value < 12) ||
+            (value > 33)) {
+                pr_err("DSIPHY has wrong value (%d)", value);
+                return 0;
+        }
+        return clk->parent->rate / value;
+}
+static long dsiphy_round_rate(struct clk *clk, unsigned long rate)
+{
+        return clk_rate_mult_range_round(clk, 12, 33, rate);
+}
+static void dsiphy_disable(struct clk *clk)
+{
+        u32 value;
+        value = __raw_readl(clk->mapping->base);
+        value &= ~0x000B8000;
+        __raw_writel(value , clk->mapping->base);
+}
+static int dsiphy_enable(struct clk *clk)
+{
+        u32 value;
+        int multi;
+        value = __raw_readl(clk->mapping->base);
+        multi = (value & 0x3f) + 1;
+        if ((multi < 12) || (multi > 33))
+                return -EIO;
+        __raw_writel(value | 0x000B8000, clk->mapping->base);
+        return 0;
+}
+static int dsiphy_set_rate(struct clk *clk, unsigned long rate)
+{
+        u32 value;
+        int idx;
+        idx = rate / clk->parent->rate;
+        if ((idx < 12) || (idx > 33))
+                return -EINVAL;
+        idx += -1;
+        value = __raw_readl(clk->mapping->base);
+        value = (value & ~0x3f) + idx;
+        __raw_writel(value, clk->mapping->base);
+        return 0;
+}
+static struct clk_ops dsiphy_clk_ops = {
+        .recalc         = dsiphy_recalc,
+        .round_rate     = dsiphy_round_rate,
+        .set_rate       = dsiphy_set_rate,
+        .enable         = dsiphy_enable,
+        .disable        = dsiphy_disable,
+};
+static struct clk_mapping dsi0phy_clk_mapping = {
+        .phys   = DSI0PHYCR,
+        .len    = 4,
+};
+static struct clk_mapping dsi1phy_clk_mapping = {
+        .phys   = DSI1PHYCR,
+        .len    = 4,
+};
+static struct clk dsi0phy_clk = {
+        .ops            = &dsiphy_clk_ops,
+        .parent         = &div6_clks[DIV6_DSI0P], /* late install */
+        .mapping        = &dsi0phy_clk_mapping,
+};
+static struct clk dsi1phy_clk = {
+        .ops            = &dsiphy_clk_ops,
+        .parent         = &div6_clks[DIV6_DSI1P], /* late install */
+        .mapping        = &dsi1phy_clk_mapping,
+};
+static struct clk *late_main_clks[] = {
+        &dsi0phy_clk,
+        &dsi1phy_clk,
+};
 enum { MSTP001,
        MSTP129, MSTP128, MSTP127, MSTP126, MSTP125, MSTP118, MSTP116, MSTP100,
        MSTP219,
@@ -429,6 +537,8 @@ static struct clk_lookup lookups[] = {
        CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSIT]),
        CLKDEV_ICK_ID("dsip_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSI0P]),
        CLKDEV_ICK_ID("dsip_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSI1P]),
+        CLKDEV_ICK_ID("dsiphy_clk", "sh-mipi-dsi.0", &dsi0phy_clk),
+        CLKDEV_ICK_ID("dsiphy_clk", "sh-mipi-dsi.1", &dsi1phy_clk),
        /* MSTP32 clocks */
        CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* I2C2 */
@@ -504,6 +614,9 @@ void __init sh73a0_clock_init(void)
        if (!ret)
                ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
+        for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++)
+                ret = clk_register(late_main_clks[k]);
        clkdev_add_table(lookups, ARRAY_SIZE(lookups));
        if (!ret)
diff --git a/arch/arm/mach-shmobile/include/mach/sh73a0.h b/arch/arm/mach-shmobile/include/mach/sh73a0.h
index 881d515a9686..cad57578ceed 100644
--- a/arch/arm/mach-shmobile/include/mach/sh73a0.h
+++ b/arch/arm/mach-shmobile/include/mach/sh73a0.h
@@ -515,8 +515,8 @@ enum {
        SHDMA_SLAVE_MMCIF_RX,
 };
-/* PINT interrupts are located at Linux IRQ 768 and up */
+/* PINT interrupts are located at Linux IRQ 800 and up */
-#define SH73A0_PINT0_IRQ(irq) ((irq) + 768)
+#define SH73A0_PINT0_IRQ(irq) ((irq) + 800)
-#define SH73A0_PINT1_IRQ(irq) ((irq) + 800)
+#define SH73A0_PINT1_IRQ(irq) ((irq) + 832)
 #endif /* __ASM_SH73A0_H__ */
diff --git a/arch/arm/mach-shmobile/intc-sh73a0.c b/arch/arm/mach-shmobile/intc-sh73a0.c
index 1eda6b0b69e3..9857595eaa79 100644
--- a/arch/arm/mach-shmobile/intc-sh73a0.c
+++ b/arch/arm/mach-shmobile/intc-sh73a0.c
@@ -19,6 +19,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/module.h>
 #include <linux/irq.h>
 #include <linux/io.h>
 #include <linux/sh_intc.h>
@@ -445,6 +446,7 @@ void __init sh73a0_init_irq(void)
                setup_irq(gic_spi(1 + k), &sh73a0_irq_pin_cascade[k]);
                n = intcs_evt2irq(to_intc_vect(gic_spi(1 + k)));
+                WARN_ON(irq_alloc_desc_at(n, numa_node_id()) != n);
                irq_set_chip_and_handler_name(n, &intca_gic_irq_chip,
                                              handle_level_irq, "level");
                set_irq_flags(n, IRQF_VALID); /* yuck */
diff --git a/arch/arm/mach-shmobile/pfc-r8a7779.c b/arch/arm/mach-shmobile/pfc-r8a7779.c
index 963532f2b2c4..d14c9b048077 100644
--- a/arch/arm/mach-shmobile/pfc-r8a7779.c
+++ b/arch/arm/mach-shmobile/pfc-r8a7779.c
@@ -2120,7 +2120,7 @@ static struct pinmux_cfg_reg pinmux_config_regs[] = {
            FN_AUDATA3, 0, 0, 0 }
        },
        { PINMUX_CFG_REG_VAR("IPSR4", 0xfffc0030, 32,
-                             3, 1, 1, 1, 1, 1, 1, 3, 3, 1,
+                             3, 1, 1, 1, 1, 1, 1, 3, 3,
                             1, 1, 1, 1, 1, 1, 3, 3, 3, 2) {
            /* IP4_31_29 [3] */
            FN_DU1_DB0, FN_VI2_DATA4_VI2_B4, FN_SCL2_B, FN_SD3_DAT0,
diff --git a/arch/arm/mach-shmobile/pfc-sh7372.c b/arch/arm/mach-shmobile/pfc-sh7372.c
index 1bd6585a6acf..336093f9210a 100644
--- a/arch/arm/mach-shmobile/pfc-sh7372.c
+++ b/arch/arm/mach-shmobile/pfc-sh7372.c
@@ -23,6 +23,7 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/gpio.h>
+#include <mach/irqs.h>
 #include <mach/sh7372.h>
 #define CPU_ALL_PORT(fn, pfx, sfx) \
@@ -1594,6 +1595,43 @@ static struct pinmux_data_reg pinmux_data_regs[] = {
        { },
 };
+#define EXT_IRQ16L(n) evt2irq(0x200 + ((n) << 5))
+#define EXT_IRQ16H(n) evt2irq(0x3200 + (((n) - 16) << 5))
+static struct pinmux_irq pinmux_irqs[] = {
+        PINMUX_IRQ(EXT_IRQ16L(0), PORT6_FN0, PORT162_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(1), PORT12_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(2), PORT4_FN0, PORT5_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(3), PORT8_FN0, PORT16_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(4), PORT17_FN0, PORT163_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(5), PORT18_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(6), PORT39_FN0, PORT164_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(7), PORT40_FN0, PORT167_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(8), PORT41_FN0, PORT168_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(9), PORT42_FN0, PORT169_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(10), PORT65_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(11), PORT67_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(12), PORT80_FN0, PORT137_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(13), PORT81_FN0, PORT145_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(14), PORT82_FN0, PORT146_FN0),
+        PINMUX_IRQ(EXT_IRQ16L(15), PORT83_FN0, PORT147_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(16), PORT84_FN0, PORT170_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(17), PORT85_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(18), PORT86_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(19), PORT87_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(20), PORT92_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(21), PORT93_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(22), PORT94_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(23), PORT95_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(24), PORT112_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(25), PORT119_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(26), PORT121_FN0, PORT172_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(27), PORT122_FN0, PORT180_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(28), PORT123_FN0, PORT181_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(29), PORT129_FN0, PORT182_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(30), PORT130_FN0, PORT183_FN0),
+        PINMUX_IRQ(EXT_IRQ16H(31), PORT138_FN0, PORT184_FN0),
+};
 static struct pinmux_info sh7372_pinmux_info = {
        .name = "sh7372_pfc",
        .reserved_id = PINMUX_RESERVED,
@@ -1614,6 +1652,9 @@ static struct pinmux_info sh7372_pinmux_info = {
        .gpio_data = pinmux_data,
        .gpio_data_size = ARRAY_SIZE(pinmux_data),
+        .gpio_irq = pinmux_irqs,
+        .gpio_irq_size = ARRAY_SIZE(pinmux_irqs),
 };
 void sh7372_pinmux_init(void)
diff --git a/arch/arm/mach-shmobile/smp-sh73a0.c b/arch/arm/mach-shmobile/smp-sh73a0.c
index 0d159d64a345..2d0d4212be41 100644
--- a/arch/arm/mach-shmobile/smp-sh73a0.c
+++ b/arch/arm/mach-shmobile/smp-sh73a0.c
@@ -80,7 +80,7 @@ int __cpuinit sh73a0_boot_secondary(unsigned int cpu)
        /* enable cache coherency */
        modify_scu_cpu_psr(0, 3 << (cpu * 8));
-        if (((__raw_readw(__io(PSTR)) >> (4 * cpu)) & 3) == 3)
+        if (((__raw_readl(__io(PSTR)) >> (4 * cpu)) & 3) == 3)
                __raw_writel(1 << cpu, __io(WUPCR));    /* wake up */
        else
                __raw_writel(1 << cpu, __io(SRESCR));   /* reset */
diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig
index 52af00446a63..c59e8b892d6b 100644
--- a/arch/arm/mach-ux500/Kconfig
+++ b/arch/arm/mach-ux500/Kconfig
@@ -5,7 +5,7 @@ config UX500_SOC_COMMON
        default y
        select ARM_GIC
        select HAS_MTU
-        select ARM_ERRATA_753970
+        select PL310_ERRATA_753970
        select ARM_ERRATA_754322
        select ARM_ERRATA_764369
diff --git a/arch/arm/mach-vexpress/Kconfig b/arch/arm/mach-vexpress/Kconfig
index 9b3d0fbaee72..88c3ba151e87 100644
--- a/arch/arm/mach-vexpress/Kconfig
+++ b/arch/arm/mach-vexpress/Kconfig
@@ -7,7 +7,7 @@ config ARCH_VEXPRESS_CA9X4
        select ARM_GIC
        select ARM_ERRATA_720789
        select ARM_ERRATA_751472
-        select ARM_ERRATA_753970
+        select PL310_ERRATA_753970
        select HAVE_SMP
        select MIGHT_HAVE_CACHE_L2X0
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 1a3ca2488164..7edef9121632 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -631,7 +631,8 @@ comment "Processor Features"
 config ARM_LPAE
        bool "Support for the Large Physical Address Extension"
-        depends on MMU && CPU_V7
+        depends on MMU && CPU_32v7 && !CPU_32v6 && !CPU_32v5 && \
+                !CPU_32v4 && !CPU_32v3
        help
          Say Y if you have an ARMv7 processor supporting the LPAE page
          table format and you would like to access memory beyond the
diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S
index 7a24d39661f0..a655d3da386d 100644
--- a/arch/arm/mm/cache-v7.S
+++ b/arch/arm/mm/cache-v7.S
@@ -55,7 +55,7 @@ loop1:
        cmp     r1, #2                          @ see what cache we have at this level
        blt     skip                            @ skip if no cache, or just i-cache
 #ifdef CONFIG_PREEMPT
-        save_and_disable_irqs r9                @ make cssr&csidr read atomic
+        save_and_disable_irqs_notrace r9        @ make cssr&csidr read atomic
 #endif
        mcr     p15, 2, r10, c0, c0, 0          @ select current cache level in cssr
        isb                                     @ isb to sych the new cssr&csidr
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index 0404ccbb8aa3..f1c8486f7501 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -230,9 +230,7 @@ __v7_setup:
        mcreq   p15, 0, r10, c15, c0, 1         @ write diagnostic register
 #endif
 #ifdef CONFIG_ARM_ERRATA_743622
-        teq     r6, #0x20                       @ present in r2p0
+        teq     r5, #0x00200000                 @ only present in r2p*
-        teqne   r6, #0x21                       @ present in r2p1
-        teqne   r6, #0x22                       @ present in r2p2
        mrceq   p15, 0, r10, c15, c0, 1         @ read diagnostic register
        orreq   r10, r10, #1 << 6               @ set bit #6
        mcreq   p15, 0, r10, c15, c0, 1         @ write diagnostic register
diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c
index 06383b51e655..4de7d1e79e73 100644
--- a/arch/arm/plat-omap/common.c
+++ b/arch/arm/plat-omap/common.c
@@ -69,6 +69,7 @@ void __init omap_reserve(void)
        omap_vram_reserve_sdram_memblock();
        omap_dsp_reserve_sdram_memblock();
        omap_secure_ram_reserve_memblock();
+        omap_barrier_reserve_memblock();
 }
 void __init omap_init_consistent_dma_size(void)
diff --git a/arch/arm/plat-omap/include/plat/irqs.h b/arch/arm/plat-omap/include/plat/irqs.h
index 2efd6454bce0..37bbbbb981b2 100644
--- a/arch/arm/plat-omap/include/plat/irqs.h
+++ b/arch/arm/plat-omap/include/plat/irqs.h
@@ -428,8 +428,16 @@
 #define OMAP_GPMC_NR_IRQS       8
 #define OMAP_GPMC_IRQ_END       (OMAP_GPMC_IRQ_BASE + OMAP_GPMC_NR_IRQS)
+/* PRCM IRQ handler */
+#ifdef CONFIG_ARCH_OMAP2PLUS
+#define OMAP_PRCM_IRQ_BASE      (OMAP_GPMC_IRQ_END)
+#define OMAP_PRCM_NR_IRQS       64
+#define OMAP_PRCM_IRQ_END       (OMAP_PRCM_IRQ_BASE + OMAP_PRCM_NR_IRQS)
+#else
+#define OMAP_PRCM_IRQ_END       OMAP_GPMC_IRQ_END
+#endif
-#define NR_IRQS                 OMAP_GPMC_IRQ_END
+#define NR_IRQS                 OMAP_PRCM_IRQ_END
 #define OMAP_IRQ_BIT(irq)       (1 << ((irq) % 32))
diff --git a/arch/arm/plat-omap/include/plat/omap-secure.h b/arch/arm/plat-omap/include/plat/omap-secure.h
index 3047ff923a63..8c7994ce9869 100644
--- a/arch/arm/plat-omap/include/plat/omap-secure.h
+++ b/arch/arm/plat-omap/include/plat/omap-secure.h
@@ -10,4 +10,10 @@ static inline void omap_secure_ram_reserve_memblock(void)
 { }
 #endif
+#ifdef CONFIG_OMAP4_ERRATA_I688
+extern int omap_barrier_reserve_memblock(void);
+#else
+static inline void omap_barrier_reserve_memblock(void)
+{ }
+#endif
 #endif /* __OMAP_SECURE_H__ */
diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c
index 9fe35348e03b..2bab4c99a234 100644
--- a/arch/arm/plat-s3c24xx/dma.c
+++ b/arch/arm/plat-s3c24xx/dma.c
@@ -1249,7 +1249,7 @@ static void s3c2410_dma_resume(void)
        struct s3c2410_dma_chan *cp = s3c2410_chans + dma_channels - 1;
        int channel;
-        for (channel = dma_channels - 1; channel >= 0; cp++, channel--)
+        for (channel = dma_channels - 1; channel >= 0; cp--, channel--)
                s3c2410_dma_resume_chan(cp);
 }
diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
index f10768e988d4..d21d744e4d99 100644
--- a/arch/arm/plat-samsung/devs.c
+++ b/arch/arm/plat-samsung/devs.c
@@ -1409,7 +1409,7 @@ void __init s5p_ehci_set_platdata(struct s5p_ehci_platdata *pd)
 #ifdef CONFIG_S3C_DEV_USB_HSOTG
 static struct resource s3c_usb_hsotg_resources[] = {
-        [0] = DEFINE_RES_MEM(S3C_PA_USB_HSOTG, SZ_16K),
+        [0] = DEFINE_RES_MEM(S3C_PA_USB_HSOTG, SZ_128K),
        [1] = DEFINE_RES_IRQ(IRQ_OTG),
 };
diff --git a/arch/arm/plat-spear/time.c b/arch/arm/plat-spear/time.c
index 0c77e4298675..abb5bdecd509 100644
--- a/arch/arm/plat-spear/time.c
+++ b/arch/arm/plat-spear/time.c
@@ -145,11 +145,13 @@ static void clockevent_set_mode(enum clock_event_mode mode,
 static int clockevent_next_event(unsigned long cycles,
                                 struct clock_event_device *clk_event_dev)
 {
-        u16 val;
+        u16 val = readw(gpt_base + CR(CLKEVT));
+        if (val & CTRL_ENABLE)
+                writew(val & ~CTRL_ENABLE, gpt_base + CR(CLKEVT));
        writew(cycles, gpt_base + LOAD(CLKEVT));
-        val = readw(gpt_base + CR(CLKEVT));
        val |= CTRL_ENABLE | CTRL_INT_ENABLE;
        writew(val, gpt_base + CR(CLKEVT));
diff --git a/arch/c6x/boot/Makefile b/arch/c6x/boot/Makefile
index ecca820e6041..6891257d514c 100644
--- a/arch/c6x/boot/Makefile
+++ b/arch/c6x/boot/Makefile
@@ -13,7 +13,7 @@ obj-y += linked_dtb.o
 endif
 $(obj)/%.dtb: $(src)/dts/%.dts FORCE
-        $(call cmd,dtc)
+        $(call if_changed_dep,dtc)
 quiet_cmd_cp = CP      $< $@$2
        cmd_cp = cat $< >$@$2 || (rm -f $@ && echo false)
diff --git a/arch/c6x/include/asm/processor.h b/arch/c6x/include/asm/processor.h
index 8154c4ee8c9c..77ecbded1f37 100644
--- a/arch/c6x/include/asm/processor.h
+++ b/arch/c6x/include/asm/processor.h
@@ -122,8 +122,8 @@ extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
 extern unsigned long get_wchan(struct task_struct *p);
-#define KSTK_EIP(tsk)   (task_pt_regs(task)->pc)
+#define KSTK_EIP(task)  (task_pt_regs(task)->pc)
-#define KSTK_ESP(tsk)   (task_pt_regs(task)->sp)
+#define KSTK_ESP(task)  (task_pt_regs(task)->sp)
 #define cpu_relax()             do { } while (0)
diff --git a/arch/m68k/include/asm/mcf_pgtable.h b/arch/m68k/include/asm/mcf_pgtable.h
index 756bde4fb4f8..3c793682e5d9 100644
--- a/arch/m68k/include/asm/mcf_pgtable.h
+++ b/arch/m68k/include/asm/mcf_pgtable.h
@@ -78,7 +78,8 @@
                                 | CF_PAGE_READABLE \
                                 | CF_PAGE_WRITABLE \
                                 | CF_PAGE_EXEC \
-                                 | CF_PAGE_SYSTEM)
+                                 | CF_PAGE_SYSTEM \
+                                 | CF_PAGE_SHARED)
 #define PAGE_COPY       __pgprot(CF_PAGE_VALID \
                                 | CF_PAGE_ACCESSED \
diff --git a/arch/m68k/mm/mcfmmu.c b/arch/m68k/mm/mcfmmu.c
index babd5a97cdcb..875b800ef0dd 100644
--- a/arch/m68k/mm/mcfmmu.c
+++ b/arch/m68k/mm/mcfmmu.c
@@ -87,7 +87,7 @@ void __init paging_init(void)
 int cf_tlb_miss(struct pt_regs *regs, int write, int dtlb, int extension_word)
 {
-        unsigned long flags, mmuar;
+        unsigned long flags, mmuar, mmutr;
        struct mm_struct *mm;
        pgd_t *pgd;
        pmd_t *pmd;
@@ -137,9 +137,10 @@ int cf_tlb_miss(struct pt_regs *regs, int write, int dtlb, int extension_word)
        if (!pte_dirty(*pte) && !KMAPAREA(mmuar))
                set_pte(pte, pte_wrprotect(*pte));
-        mmu_write(MMUTR, (mmuar & PAGE_MASK) | (asid << MMUTR_IDN) |
+        mmutr = (mmuar & PAGE_MASK) | (asid << MMUTR_IDN) | MMUTR_V;
-                (((int)(pte->pte) & (int)CF_PAGE_MMUTR_MASK)
+        if ((mmuar < TASK_UNMAPPED_BASE) || (mmuar >= TASK_SIZE))
-                >> CF_PAGE_MMUTR_SHIFT) | MMUTR_V);
+                mmutr |= (pte->pte & CF_PAGE_MMUTR_MASK) >> CF_PAGE_MMUTR_SHIFT;
+        mmu_write(MMUTR, mmutr);
        mmu_write(MMUDR, (pte_val(*pte) & PAGE_MASK) |
                ((pte->pte) & CF_PAGE_MMUDR_MASK) | MMUDR_SZ_8KB | MMUDR_X);
diff --git a/arch/m68k/platform/coldfire/entry.S b/arch/m68k/platform/coldfire/entry.S
index 863889fc31c9..281e38c2b6c7 100644
--- a/arch/m68k/platform/coldfire/entry.S
+++ b/arch/m68k/platform/coldfire/entry.S
@@ -136,7 +136,7 @@ Luser_return:
        movel   %sp,%d1                 /* get thread_info pointer */
        andl    #-THREAD_SIZE,%d1       /* at base of kernel stack */
        movel   %d1,%a0
-        movel   %a0@(TINFO_FLAGS),%d1   /* get thread_info->flags */
+        moveb   %a0@(TINFO_FLAGS+3),%d1 /* thread_info->flags (low 8 bits) */
        jne     Lwork_to_do             /* still work to do */
 Lreturn:
@@ -148,8 +148,6 @@ Lwork_to_do:
        btst    #TIF_NEED_RESCHED,%d1
        jne     reschedule
-        /* GERG: do we need something here for TRACEing?? */
 Lsignal_return:
        subql   #4,%sp                  /* dummy return address */
        SAVE_SWITCH_STACK
diff --git a/arch/mips/alchemy/common/time.c b/arch/mips/alchemy/common/time.c
index 7da4d0081487..a7193ae13a5d 100644
--- a/arch/mips/alchemy/common/time.c
+++ b/arch/mips/alchemy/common/time.c
@@ -146,7 +146,7 @@ static int __init alchemy_time_init(unsigned int m2int)
        cd->shift = 32;
        cd->mult = div_sc(32768, NSEC_PER_SEC, cd->shift);
        cd->max_delta_ns = clockevent_delta2ns(0xffffffff, cd);
-        cd->min_delta_ns = clockevent_delta2ns(8, cd);  /* ~0.25ms */
+        cd->min_delta_ns = clockevent_delta2ns(9, cd);  /* ~0.28ms */
        clockevents_register_device(cd);
        setup_irq(m2int, &au1x_rtcmatch2_irqaction);
diff --git a/arch/mips/ath79/dev-wmac.c b/arch/mips/ath79/dev-wmac.c
index 24f546985b69..e21507052066 100644
--- a/arch/mips/ath79/dev-wmac.c
+++ b/arch/mips/ath79/dev-wmac.c
@@ -96,7 +96,7 @@ void __init ath79_register_wmac(u8 *cal_data)
 {
        if (soc_is_ar913x())
                ar913x_wmac_setup();
-        if (soc_is_ar933x())
+        else if (soc_is_ar933x())
                ar933x_wmac_setup();
        else
                BUG();
diff --git a/arch/mips/configs/nlm_xlp_defconfig b/arch/mips/configs/nlm_xlp_defconfig
index 4479fd669ac1..28c6b276c216 100644
--- a/arch/mips/configs/nlm_xlp_defconfig
+++ b/arch/mips/configs/nlm_xlp_defconfig
@@ -8,7 +8,7 @@ CONFIG_HIGH_RES_TIMERS=y
 # CONFIG_SECCOMP is not set
 CONFIG_USE_OF=y
 CONFIG_EXPERIMENTAL=y
-CONFIG_CROSS_COMPILE="mips-linux-gnu-"
+CONFIG_CROSS_COMPILE=""
 # CONFIG_LOCALVERSION_AUTO is not set
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
@@ -22,7 +22,7 @@ CONFIG_AUDIT=y
 CONFIG_CGROUPS=y
 CONFIG_NAMESPACES=y
 CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="usr/dev_file_list usr/rootfs.xlp"
+CONFIG_INITRAMFS_SOURCE=""
 CONFIG_RD_BZIP2=y
 CONFIG_RD_LZMA=y
 CONFIG_INITRAMFS_COMPRESSION_LZMA=y
diff --git a/arch/mips/configs/nlm_xlr_defconfig b/arch/mips/configs/nlm_xlr_defconfig
index 7c68666fdd64..d0b857d98c91 100644
--- a/arch/mips/configs/nlm_xlr_defconfig
+++ b/arch/mips/configs/nlm_xlr_defconfig
@@ -8,7 +8,7 @@ CONFIG_HIGH_RES_TIMERS=y
 CONFIG_PREEMPT_VOLUNTARY=y
 CONFIG_KEXEC=y
 CONFIG_EXPERIMENTAL=y
-CONFIG_CROSS_COMPILE="mips-linux-gnu-"
+CONFIG_CROSS_COMPILE=""
 # CONFIG_LOCALVERSION_AUTO is not set
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
@@ -22,7 +22,7 @@ CONFIG_AUDIT=y
 CONFIG_NAMESPACES=y
 CONFIG_SCHED_AUTOGROUP=y
 CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="usr/dev_file_list usr/rootfs.xlr"
+CONFIG_INITRAMFS_SOURCE=""
 CONFIG_RD_BZIP2=y
 CONFIG_RD_LZMA=y
 CONFIG_INITRAMFS_COMPRESSION_GZIP=y
diff --git a/arch/mips/configs/powertv_defconfig b/arch/mips/configs/powertv_defconfig
index 3b0b6e8c8533..7fda0ce5f692 100644
--- a/arch/mips/configs/powertv_defconfig
+++ b/arch/mips/configs/powertv_defconfig
@@ -6,7 +6,7 @@ CONFIG_HZ_1000=y
 CONFIG_PREEMPT=y
 # CONFIG_SECCOMP is not set
 CONFIG_EXPERIMENTAL=y
-CONFIG_CROSS_COMPILE="mips-linux-"
+CONFIG_CROSS_COMPILE=""
 # CONFIG_SWAP is not set
 CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=16
diff --git a/arch/mips/include/asm/mach-au1x00/gpio-au1300.h b/arch/mips/include/asm/mach-au1x00/gpio-au1300.h
index 556e1be20bf6..fb9975c74c57 100644
--- a/arch/mips/include/asm/mach-au1x00/gpio-au1300.h
+++ b/arch/mips/include/asm/mach-au1x00/gpio-au1300.h
@@ -11,6 +11,9 @@
 #include <asm/io.h>
 #include <asm/mach-au1x00/au1000.h>
+struct gpio;
+struct gpio_chip;
 /* with the current GPIC design, up to 128 GPIOs are possible.
 * The only implementation so far is in the Au1300, which has 75 externally
 * available GPIOs.
@@ -203,7 +206,22 @@ static inline int gpio_request(unsigned int gpio, const char *label)
        return 0;
 }
-static inline void gpio_free(unsigned int gpio)
+static inline int gpio_request_one(unsigned gpio,
+                                        unsigned long flags, const char *label)
+{
+        return 0;
+}
+static inline int gpio_request_array(struct gpio *array, size_t num)
+{
+        return 0;
+}
+static inline void gpio_free(unsigned gpio)
+{
+}
+static inline void gpio_free_array(struct gpio *array, size_t num)
 {
 }
diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h
index d41790928c64..da9bd7d270d1 100644
--- a/arch/mips/include/asm/page.h
+++ b/arch/mips/include/asm/page.h
@@ -39,9 +39,6 @@
 #define HPAGE_MASK      (~(HPAGE_SIZE - 1))
 #define HUGETLB_PAGE_ORDER      (HPAGE_SHIFT - PAGE_SHIFT)
 #else /* !CONFIG_HUGETLB_PAGE */
-# ifndef BUILD_BUG
-#  define BUILD_BUG() do { extern void __build_bug(void); __build_bug(); } while (0)
-# endif
 #define HPAGE_SHIFT     ({BUILD_BUG(); 0; })
 #define HPAGE_SIZE      ({BUILD_BUG(); 0; })
 #define HPAGE_MASK      ({BUILD_BUG(); 0; })
diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c
index 58fe71afd879..d5e950ab8527 100644
--- a/arch/mips/kernel/smp-bmips.c
+++ b/arch/mips/kernel/smp-bmips.c
@@ -8,7 +8,6 @@
 * SMP support for BMIPS
 */
-#include <linux/version.h>
 #include <linux/init.h>
 #include <linux/sched.h>
 #include <linux/mm.h>
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index cc4a3f120f54..d79ae5437b58 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -1135,7 +1135,7 @@ asmlinkage void do_mt(struct pt_regs *regs)
                printk(KERN_DEBUG "YIELD Scheduler Exception\n");
                break;
        case 5:
-                printk(KERN_DEBUG "Gating Storage Schedulier Exception\n");
+                printk(KERN_DEBUG "Gating Storage Scheduler Exception\n");
                break;
        default:
                printk(KERN_DEBUG "*** UNKNOWN THREAD EXCEPTION %d ***\n",
diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S
index a81176f44c74..924da5eb7031 100644
--- a/arch/mips/kernel/vmlinux.lds.S
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -69,7 +69,6 @@ SECTIONS
        RODATA
        /* writeable */
-        _sdata = .;                             /* Start of data section */
        .data : {       /* Data */
                . = . + DATAOFFSET;             /* for CONFIG_MAPPED_KERNEL */
diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
index 937cf3368164..69ebd586d7ff 100644
--- a/arch/mips/mm/fault.c
+++ b/arch/mips/mm/fault.c
@@ -42,6 +42,8 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs, unsigned long writ
        const int field = sizeof(unsigned long) * 2;
        siginfo_t info;
        int fault;
+        unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE |
+                                                 (write ? FAULT_FLAG_WRITE : 0);
 #if 0
        printk("Cpu%d[%s:%d:%0*lx:%ld:%0*lx]\n", raw_smp_processor_id(),
@@ -91,6 +93,7 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs, unsigned long writ
        if (in_atomic() || !mm)
                goto bad_area_nosemaphore;
+retry:
        down_read(&mm->mmap_sem);
        vma = find_vma(mm, address);
        if (!vma)
@@ -144,7 +147,11 @@ good_area:
         * make sure we exit gracefully rather than endlessly redo
         * the fault.
         */
-        fault = handle_mm_fault(mm, vma, address, write ? FAULT_FLAG_WRITE : 0);
+        fault = handle_mm_fault(mm, vma, address, flags);
+        if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current))
+                return;
        perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
        if (unlikely(fault & VM_FAULT_ERROR)) {
                if (fault & VM_FAULT_OOM)
@@ -153,12 +160,27 @@ good_area:
                        goto do_sigbus;
                BUG();
        }
-        if (fault & VM_FAULT_MAJOR) {
+        if (flags & FAULT_FLAG_ALLOW_RETRY) {
-                perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, regs, address);
+                if (fault & VM_FAULT_MAJOR) {
-                tsk->maj_flt++;
+                        perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
-        } else {
+                                                  regs, address);
-                perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, regs, address);
+                        tsk->maj_flt++;
-                tsk->min_flt++;
+                } else {
+                        perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
+                                                  regs, address);
+                        tsk->min_flt++;
+                }
+                if (fault & VM_FAULT_RETRY) {
+                        flags &= ~FAULT_FLAG_ALLOW_RETRY;
+                        /*
+                         * No need to up_read(&mm->mmap_sem) as we would
+                         * have already released it in __lock_page_or_retry
+                         * in mm/filemap.c.
+                         */
+                        goto retry;
+                }
        }
        up_read(&mm->mmap_sem);
diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
index aec2b111d35b..15521505ebe8 100644
--- a/arch/mips/pci/pci.c
+++ b/arch/mips/pci/pci.c
@@ -279,7 +279,6 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus)
 {
        /* Propagate hose info into the subordinate devices.  */
-        struct list_head *ln;
        struct pci_dev *dev = bus->self;
        if (pci_probe_only && dev &&
@@ -288,9 +287,7 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus)
                pcibios_fixup_device_resources(dev, bus);
        }
-        for (ln = bus->devices.next; ln != &bus->devices; ln = ln->next) {
+        list_for_each_entry(dev, &bus->devices, bus_list) {
-                dev = pci_dev_b(ln);
                if ((dev->class >> 8) != PCI_CLASS_BRIDGE_PCI)
                        pcibios_fixup_device_resources(dev, bus);
        }
diff --git a/arch/mips/pmc-sierra/yosemite/ht-irq.c b/arch/mips/pmc-sierra/yosemite/ht-irq.c
index 86b98e98fb4f..62ead6601c69 100644
--- a/arch/mips/pmc-sierra/yosemite/ht-irq.c
+++ b/arch/mips/pmc-sierra/yosemite/ht-irq.c
@@ -35,16 +35,6 @@
 */
 void __init titan_ht_pcibios_fixup_bus(struct pci_bus *bus)
 {
-        struct pci_bus *current_bus = bus;
-        struct pci_dev *devices;
-        struct list_head *devices_link;
-        list_for_each(devices_link, &(current_bus->devices)) {
-                devices = pci_dev_b(devices_link);
-                if (devices == NULL)
-                        continue;
-        }
        /*
         * PLX and SPKT related changes go here
         */
diff --git a/arch/mips/txx9/generic/7segled.c b/arch/mips/txx9/generic/7segled.c
index 8e93b2122524..4642f56e70e5 100644
--- a/arch/mips/txx9/generic/7segled.c
+++ b/arch/mips/txx9/generic/7segled.c
@@ -102,7 +102,7 @@ static int __init tx_7segled_init_sysfs(void)
                        break;
                }
                dev->id = i;
-                dev->dev = &tx_7segled_subsys;
+                dev->bus = &tx_7segled_subsys;
                error = device_register(dev);
                if (!error) {
                        device_create_file(dev, &dev_attr_ascii);
diff --git a/arch/openrisc/include/asm/ptrace.h b/arch/openrisc/include/asm/ptrace.h
index 054537c5f9c9..e612ce4512c7 100644
--- a/arch/openrisc/include/asm/ptrace.h
+++ b/arch/openrisc/include/asm/ptrace.h
@@ -77,7 +77,6 @@ struct pt_regs {
        long  syscallno;        /* Syscall number (used by strace) */
        long dummy;             /* Cheap alignment fix */
 };
-#endif /* __ASSEMBLY__ */
 /* TODO: Rename this to REDZONE because that's what it is */
 #define STACK_FRAME_OVERHEAD  128  /* size of minimum stack frame */
@@ -87,6 +86,13 @@ struct pt_regs {
 #define user_stack_pointer(regs)        ((unsigned long)(regs)->sp)
 #define profile_pc(regs)                instruction_pointer(regs)
+static inline long regs_return_value(struct pt_regs *regs)
+{
+        return regs->gpr[11];
+}
+#endif /* __ASSEMBLY__ */
 /*
 * Offsets used by 'ptrace' system call interface.
 */
diff --git a/arch/openrisc/kernel/init_task.c b/arch/openrisc/kernel/init_task.c
index 45744a384927..ca534082d5f3 100644
--- a/arch/openrisc/kernel/init_task.c
+++ b/arch/openrisc/kernel/init_task.c
@@ -17,6 +17,7 @@
 #include <linux/init_task.h>
 #include <linux/mqueue.h>
+#include <linux/export.h>
 static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
 static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
diff --git a/arch/openrisc/kernel/irq.c b/arch/openrisc/kernel/irq.c
index 59b302338331..4bfead220956 100644
--- a/arch/openrisc/kernel/irq.c
+++ b/arch/openrisc/kernel/irq.c
@@ -23,6 +23,7 @@
 #include <linux/irq.h>
 #include <linux/seq_file.h>
 #include <linux/kernel_stat.h>
+#include <linux/export.h>
 #include <linux/irqflags.h>
diff --git a/arch/openrisc/kernel/ptrace.c b/arch/openrisc/kernel/ptrace.c
index 656b94beab89..7259047d5f9d 100644
--- a/arch/openrisc/kernel/ptrace.c
+++ b/arch/openrisc/kernel/ptrace.c
@@ -188,11 +188,9 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
                 */
                ret = -1L;
-        /* Are these regs right??? */
+        audit_syscall_entry(audit_arch(), regs->syscallno,
-        if (unlikely(current->audit_context))
+                            regs->gpr[3], regs->gpr[4],
-                audit_syscall_entry(audit_arch(), regs->syscallno,
+                            regs->gpr[5], regs->gpr[6]);
-                                    regs->gpr[3], regs->gpr[4],
-                                    regs->gpr[5], regs->gpr[6]);
        return ret ? : regs->syscallno;
 }
@@ -201,9 +199,7 @@ asmlinkage void do_syscall_trace_leave(struct pt_regs *regs)
 {
        int step;
-        if (unlikely(current->audit_context))
+        audit_syscall_exit(regs);
-                audit_syscall_exit(AUDITSC_RESULT(regs->gpr[11]),
-                                   regs->gpr[11]);
        step = test_thread_flag(TIF_SINGLESTEP);
        if (step || test_thread_flag(TIF_SYSCALL_TRACE))
diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
index 55cca1dac431..19ab7b2ea1cd 100644
--- a/arch/parisc/Makefile
+++ b/arch/parisc/Makefile
@@ -31,7 +31,11 @@ ifdef CONFIG_64BIT
 UTS_MACHINE     := parisc64
 CHECKFLAGS      += -D__LP64__=1 -m64
 WIDTH           := 64
+# FIXME: if no default set, should really try to locate dynamically
+ifeq ($(CROSS_COMPILE),)
 CROSS_COMPILE   := hppa64-linux-gnu-
+endif
 else # 32-bit
 WIDTH           :=
 endif
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index 4f80cf1ce77b..3e57a00b8cba 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -1213,7 +1213,7 @@ do_user_signal:			/* r10 contains MSR_KERNEL here */
        stw     r3,_TRAP(r1)
 2:      addi    r3,r1,STACK_FRAME_OVERHEAD
        mr      r4,r9
-        bl      do_signal
+        bl      do_notify_resume
        REST_NVGPRS(r1)
        b       recheck
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index d834425186ae..866462cbe2d8 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -751,12 +751,16 @@ user_work:
        andi.   r0,r4,_TIF_NEED_RESCHED
        beq     1f
+        li      r5,1
+        TRACE_AND_RESTORE_IRQ(r5);
        bl      .schedule
        b       .ret_from_except_lite
 1:      bl      .save_nvgprs
+        li      r5,1
+        TRACE_AND_RESTORE_IRQ(r5);
        addi    r3,r1,STACK_FRAME_OVERHEAD
-        bl      .do_signal
+        bl      .do_notify_resume
        b       .ret_from_except
 unrecov_restore:
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 3844ca7c5099..15c5a4f6de01 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -774,8 +774,8 @@ alignment_common:
 program_check_common:
        EXCEPTION_PROLOG_COMMON(0x700, PACA_EXGEN)
        bl      .save_nvgprs
-        addi    r3,r1,STACK_FRAME_OVERHEAD
        DISABLE_INTS
+        addi    r3,r1,STACK_FRAME_OVERHEAD
        bl      .program_check_exception
        b       .ret_from_except
diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c
index 2300426e531a..ac6e437b1021 100644
--- a/arch/powerpc/kernel/signal.c
+++ b/arch/powerpc/kernel/signal.c
@@ -11,6 +11,7 @@
 #include <linux/tracehook.h>
 #include <linux/signal.h>
+#include <linux/key.h>
 #include <asm/hw_breakpoint.h>
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
@@ -113,8 +114,9 @@ static void check_syscall_restart(struct pt_regs *regs, struct k_sigaction *ka,
        }
 }
-static int do_signal_pending(sigset_t *oldset, struct pt_regs *regs)
+static int do_signal(struct pt_regs *regs)
 {
+        sigset_t *oldset;
        siginfo_t info;
        int signr;
        struct k_sigaction ka;
@@ -123,7 +125,7 @@ static int do_signal_pending(sigset_t *oldset, struct pt_regs *regs)
        if (current_thread_info()->local_flags & _TLF_RESTORE_SIGMASK)
                oldset = &current->saved_sigmask;
-        else if (!oldset)
+        else
                oldset = &current->blocked;
        signr = get_signal_to_deliver(&info, &ka, regs, NULL);
@@ -191,14 +193,16 @@ static int do_signal_pending(sigset_t *oldset, struct pt_regs *regs)
        return ret;
 }
-void do_signal(struct pt_regs *regs, unsigned long thread_info_flags)
+void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags)
 {
        if (thread_info_flags & _TIF_SIGPENDING)
-                do_signal_pending(NULL, regs);
+                do_signal(regs);
        if (thread_info_flags & _TIF_NOTIFY_RESUME) {
                clear_thread_flag(TIF_NOTIFY_RESUME);
                tracehook_notify_resume(regs);
+                if (current->replacement_session_keyring)
+                        key_replace_session_keyring();
        }
 }
diff --git a/arch/powerpc/kernel/signal.h b/arch/powerpc/kernel/signal.h
index 6c0ddfc0603e..8dde973aaaf5 100644
--- a/arch/powerpc/kernel/signal.h
+++ b/arch/powerpc/kernel/signal.h
@@ -12,7 +12,7 @@
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
-extern void do_signal(struct pt_regs *regs, unsigned long thread_info_flags);
+extern void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags);
 extern void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
                                  size_t frame_size, int is_32);
diff --git a/arch/powerpc/platforms/wsp/smp.c b/arch/powerpc/platforms/wsp/smp.c
index 71bd105f3863..0ba103ae83a5 100644
--- a/arch/powerpc/platforms/wsp/smp.c
+++ b/arch/powerpc/platforms/wsp/smp.c
@@ -71,7 +71,7 @@ int __devinit smp_a2_kick_cpu(int nr)
 static int __init smp_a2_probe(void)
 {
-        return cpus_weight(cpu_possible_map);
+        return num_possible_cpus();
 }
 static struct smp_ops_t a2_smp_ops = {
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index d1727584230a..6d99a5fcc090 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -227,6 +227,9 @@ config COMPAT
 config SYSVIPC_COMPAT
        def_bool y if COMPAT && SYSVIPC
+config KEYS_COMPAT
+        def_bool y if COMPAT && KEYS
 config AUDIT_ARCH
        def_bool y
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index 2e49748b27da..234f1d859cea 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -172,13 +172,6 @@ static inline int is_compat_task(void)
        return is_32bit_task();
 }
-#else
-static inline int is_compat_task(void)
-{
-        return 0;
-}
 #endif
 static inline void __user *arch_compat_alloc_user_space(long len)
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 18c51df9fe06..ff605a39cf43 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -662,7 +662,7 @@ ENTRY(sys32_getresuid16_wrapper)
 ENTRY(sys32_poll_wrapper)
        llgtr   %r2,%r2                 # struct pollfd *
        llgfr   %r3,%r3                 # unsigned int
-        lgfr    %r4,%r4                 # long
+        lgfr    %r4,%r4                 # int
        jg      sys_poll                # branch to system call
 ENTRY(sys32_setresgid16_wrapper)
diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c
index 39f8fd4438fc..c383ce440d99 100644
--- a/arch/s390/kernel/crash_dump.c
+++ b/arch/s390/kernel/crash_dump.c
@@ -11,7 +11,6 @@
 #include <linux/module.h>
 #include <linux/gfp.h>
 #include <linux/slab.h>
-#include <linux/crash_dump.h>
 #include <linux/bootmem.h>
 #include <linux/elf.h>
 #include <asm/ipl.h>
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 3201ae447990..e795933eb2cb 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -29,7 +29,6 @@
 #include <asm/irq.h>
 #include <asm/timer.h>
 #include <asm/nmi.h>
-#include <asm/compat.h>
 #include <asm/smp.h>
 #include "entry.h"
@@ -76,7 +75,6 @@ static void default_idle(void)
        if (test_thread_flag(TIF_MCCK_PENDING)) {
                local_mcck_enable();
                local_irq_enable();
-                s390_handle_mcck();
                return;
        }
        trace_hardirqs_on();
@@ -93,10 +91,12 @@ void cpu_idle(void)
        for (;;) {
                tick_nohz_idle_enter();
                rcu_idle_enter();
-                while (!need_resched())
+                while (!need_resched() && !test_thread_flag(TIF_MCCK_PENDING))
                        default_idle();
                rcu_idle_exit();
                tick_nohz_idle_exit();
+                if (test_thread_flag(TIF_MCCK_PENDING))
+                        s390_handle_mcck();
                preempt_enable_no_resched();
                schedule();
                preempt_disable();
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 9d82ed4bcb27..61f95489d70c 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -20,8 +20,8 @@
 #include <linux/regset.h>
 #include <linux/tracehook.h>
 #include <linux/seccomp.h>
+#include <linux/compat.h>
 #include <trace/syscall.h>
-#include <asm/compat.h>
 #include <asm/segment.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 354de0763eff..3b2efc81f34e 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -46,6 +46,7 @@
 #include <linux/kexec.h>
 #include <linux/crash_dump.h>
 #include <linux/memory.h>
+#include <linux/compat.h>
 #include <asm/ipl.h>
 #include <asm/uaccess.h>
@@ -59,7 +60,6 @@
 #include <asm/ptrace.h>
 #include <asm/sections.h>
 #include <asm/ebcdic.h>
-#include <asm/compat.h>
 #include <asm/kvm_virtio.h>
 #include <asm/diag.h>
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index a8ba840294ff..2d421d90fada 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -30,7 +30,6 @@
 #include <asm/ucontext.h>
 #include <asm/uaccess.h>
 #include <asm/lowcore.h>
-#include <asm/compat.h>
 #include "entry.h"
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index fa02f443f5f6..14da278febbf 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -113,11 +113,14 @@ static void fixup_clock_comparator(unsigned long long delta)
 static int s390_next_ktime(ktime_t expires,
                           struct clock_event_device *evt)
 {
+        struct timespec ts;
        u64 nsecs;
-        nsecs = ktime_to_ns(ktime_sub(expires, ktime_get_monotonic_offset()));
+        ts.tv_sec = ts.tv_nsec = 0;
+        monotonic_to_bootbased(&ts);
+        nsecs = ktime_to_ns(ktime_add(timespec_to_ktime(ts), expires));
        do_div(nsecs, 125);
-        S390_lowcore.clock_comparator = TOD_UNIX_EPOCH + (nsecs << 9);
+        S390_lowcore.clock_comparator = sched_clock_base_cc + (nsecs << 9);
        set_clock_comparator(S390_lowcore.clock_comparator);
        return 0;
 }
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 354dd39073ef..e8fcd928dc78 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -36,7 +36,6 @@
 #include <asm/pgtable.h>
 #include <asm/irq.h>
 #include <asm/mmu_context.h>
-#include <asm/compat.h>
 #include "../kernel/entry.h"
 #ifndef CONFIG_64BIT
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 5d633019d8f3..50236610de83 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -223,16 +223,38 @@ void free_initrd_mem(unsigned long start, unsigned long end)
 #ifdef CONFIG_MEMORY_HOTPLUG
 int arch_add_memory(int nid, u64 start, u64 size)
 {
-        struct pglist_data *pgdat;
+        unsigned long zone_start_pfn, zone_end_pfn, nr_pages;
+        unsigned long start_pfn = PFN_DOWN(start);
+        unsigned long size_pages = PFN_DOWN(size);
        struct zone *zone;
        int rc;
-        pgdat = NODE_DATA(nid);
-        zone = pgdat->node_zones + ZONE_MOVABLE;
        rc = vmem_add_mapping(start, size);
        if (rc)
                return rc;
-        rc = __add_pages(nid, zone, PFN_DOWN(start), PFN_DOWN(size));
+        for_each_zone(zone) {
+                if (zone_idx(zone) != ZONE_MOVABLE) {
+                        /* Add range within existing zone limits */
+                        zone_start_pfn = zone->zone_start_pfn;
+                        zone_end_pfn = zone->zone_start_pfn +
+                                       zone->spanned_pages;
+                } else {
+                        /* Add remaining range to ZONE_MOVABLE */
+                        zone_start_pfn = start_pfn;
+                        zone_end_pfn = start_pfn + size_pages;
+                }
+                if (start_pfn < zone_start_pfn || start_pfn >= zone_end_pfn)
+                        continue;
+                nr_pages = (start_pfn + size_pages > zone_end_pfn) ?
+                           zone_end_pfn - start_pfn : size_pages;
+                rc = __add_pages(nid, zone, start_pfn, nr_pages);
+                if (rc)
+                        break;
+                start_pfn += nr_pages;
+                size_pages -= nr_pages;
+                if (!size_pages)
+                        break;
+        }
        if (rc)
                vmem_remove_mapping(start, size);
        return rc;
diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c
index f09c74881b7e..a0155c02e324 100644
--- a/arch/s390/mm/mmap.c
+++ b/arch/s390/mm/mmap.c
@@ -29,8 +29,8 @@
 #include <linux/mman.h>
 #include <linux/module.h>
 #include <linux/random.h>
+#include <linux/compat.h>
 #include <asm/pgalloc.h>
-#include <asm/compat.h>
 static unsigned long stack_maxrandom_size(void)
 {
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index 9a4d02f64f16..51b0738e13d1 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -574,7 +574,7 @@ static inline void page_table_free_pgste(unsigned long *table)
        page = pfn_to_page(__pa(table) >> PAGE_SHIFT);
        mp = (struct gmap_pgtable *) page->index;
        BUG_ON(!list_empty(&mp->mapper));
-        pgtable_page_ctor(page);
+        pgtable_page_dtor(page);
        atomic_set(&page->_mapcount, -1);
        kfree(mp);
        __free_page(page);
diff --git a/arch/sh/boards/board-sh7757lcr.c b/arch/sh/boards/board-sh7757lcr.c
index 0838154dd216..24b1ee410daa 100644
--- a/arch/sh/boards/board-sh7757lcr.c
+++ b/arch/sh/boards/board-sh7757lcr.c
@@ -169,6 +169,11 @@ static struct resource sh_eth_giga1_resources[] = {
                .end    = 0xfee00fff,
                .flags  = IORESOURCE_MEM,
        }, {
+                /* TSU */
+                .start  = 0xfee01800,
+                .end    = 0xfee01fff,
+                .flags  = IORESOURCE_MEM,
+        }, {
                .start  = 316,
                .end    = 316,
                .flags  = IORESOURCE_IRQ,
@@ -210,20 +215,13 @@ static struct resource sh_mmcif_resources[] = {
        },
 };
-static struct sh_mmcif_dma sh7757lcr_mmcif_dma = {
-        .chan_priv_tx   = {
-                .slave_id = SHDMA_SLAVE_MMCIF_TX,
-        },
-        .chan_priv_rx   = {
-                .slave_id = SHDMA_SLAVE_MMCIF_RX,
-        }
-};
 static struct sh_mmcif_plat_data sh_mmcif_plat = {
-        .dma            = &sh7757lcr_mmcif_dma,
        .sup_pclk       = 0x0f,
-        .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
+        .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA |
+                          MMC_CAP_NONREMOVABLE,
        .ocr            = MMC_VDD_32_33 | MMC_VDD_33_34,
+        .slave_id_tx    = SHDMA_SLAVE_MMCIF_TX,
+        .slave_id_rx    = SHDMA_SLAVE_MMCIF_RX,
 };
 static struct platform_device sh_mmcif_device = {
diff --git a/arch/sh/boards/mach-ap325rxa/setup.c b/arch/sh/boards/mach-ap325rxa/setup.c
index 6418e95c2b6b..ebd0f818a25f 100644
--- a/arch/sh/boards/mach-ap325rxa/setup.c
+++ b/arch/sh/boards/mach-ap325rxa/setup.c
@@ -22,6 +22,7 @@
 #include <linux/i2c.h>
 #include <linux/smsc911x.h>
 #include <linux/gpio.h>
+#include <linux/videodev2.h>
 #include <media/ov772x.h>
 #include <media/soc_camera.h>
 #include <media/soc_camera_platform.h>
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 033ef2ba621f..cde7c0085ced 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -29,9 +29,11 @@
 #include <linux/input.h>
 #include <linux/input/sh_keysc.h>
 #include <linux/sh_eth.h>
+#include <linux/videodev2.h>
 #include <video/sh_mobile_lcdc.h>
 #include <sound/sh_fsi.h>
 #include <media/sh_mobile_ceu.h>
+#include <media/soc_camera.h>
 #include <media/tw9910.h>
 #include <media/mt9t112.h>
 #include <asm/heartbeat.h>
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index 2a18b06abdaf..5b382e1afaea 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -22,6 +22,7 @@
 #include <linux/input/sh_keysc.h>
 #include <linux/i2c.h>
 #include <linux/usb/r8a66597.h>
+#include <linux/videodev2.h>
 #include <media/rj54n1cb0c.h>
 #include <media/soc_camera.h>
 #include <media/sh_mobile_ceu.h>
diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
index 68c3d6f42896..d37ba2720527 100644
--- a/arch/sh/boards/mach-migor/setup.c
+++ b/arch/sh/boards/mach-migor/setup.c
@@ -21,9 +21,11 @@
 #include <linux/delay.h>
 #include <linux/clk.h>
 #include <linux/gpio.h>
+#include <linux/videodev2.h>
 #include <video/sh_mobile_lcdc.h>
 #include <media/sh_mobile_ceu.h>
 #include <media/ov772x.h>
+#include <media/soc_camera.h>
 #include <media/tw9910.h>
 #include <asm/clock.h>
 #include <asm/machvec.h>
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index 036fe1adaef1..2b07fc016950 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -24,6 +24,7 @@
 #include <linux/input/sh_keysc.h>
 #include <linux/usb/r8a66597.h>
 #include <linux/sh_eth.h>
+#include <linux/videodev2.h>
 #include <video/sh_mobile_lcdc.h>
 #include <media/sh_mobile_ceu.h>
 #include <sound/sh_fsi.h>
diff --git a/arch/sh/drivers/pci/pci-sh7780.c b/arch/sh/drivers/pci/pci-sh7780.c
index fa7b978cc727..fb8f14990743 100644
--- a/arch/sh/drivers/pci/pci-sh7780.c
+++ b/arch/sh/drivers/pci/pci-sh7780.c
@@ -74,7 +74,7 @@ struct pci_errors {
        { SH4_PCIINT_MLCK,      "master lock error" },
        { SH4_PCIINT_TABT,      "target-target abort" },
        { SH4_PCIINT_TRET,      "target retry time out" },
-        { SH4_PCIINT_MFDE,      "master function disable erorr" },
+        { SH4_PCIINT_MFDE,      "master function disable error" },
        { SH4_PCIINT_PRTY,      "address parity error" },
        { SH4_PCIINT_SERR,      "SERR" },
        { SH4_PCIINT_TWDP,      "data parity error for target write" },
diff --git a/arch/sh/include/asm/device.h b/arch/sh/include/asm/device.h
index a1c9c0daec10..071bcb4d4bfd 100644
--- a/arch/sh/include/asm/device.h
+++ b/arch/sh/include/asm/device.h
@@ -3,9 +3,10 @@
 *
 * This file is released under the GPLv2
 */
+#ifndef __ASM_SH_DEVICE_H
+#define __ASM_SH_DEVICE_H
-struct dev_archdata {
+#include <asm-generic/device.h>
-};
 struct platform_device;
 /* allocate contiguous memory chunk and fill in struct resource */
@@ -14,5 +15,4 @@ int platform_resource_setup_memory(struct platform_device *pdev,
 void plat_early_device_setup(void);
-struct pdev_archdata {
+#endif /* __ASM_SH_DEVICE_H */
-};
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
index b3c039a5064a..70bd96646f42 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
@@ -343,7 +343,7 @@ static struct clk_lookup lookups[] = {
        CLKDEV_DEV_ID("sh_mobile_ceu.1", &mstp_clks[HWBLK_CEU1]),
        CLKDEV_CON_ID("beu1", &mstp_clks[HWBLK_BEU1]),
        CLKDEV_CON_ID("2ddmac0", &mstp_clks[HWBLK_2DDMAC]),
-        CLKDEV_CON_ID("spu0", &mstp_clks[HWBLK_SPU]),
+        CLKDEV_DEV_ID("sh_fsi.0", &mstp_clks[HWBLK_SPU]),
        CLKDEV_CON_ID("jpu0", &mstp_clks[HWBLK_JPU]),
        CLKDEV_DEV_ID("sh-vou.0", &mstp_clks[HWBLK_VOU]),
        CLKDEV_CON_ID("beu0", &mstp_clks[HWBLK_BEU0]),
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
index a7b2da6b3a1a..2875e8be4f72 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
@@ -133,7 +133,7 @@ static struct resource spi0_resources[] = {
        [0] = {
                .start  = 0xfe002000,
                .end    = 0xfe0020ff,
-                .flags  = IORESOURCE_MEM,
+                .flags  = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
        },
        [1] = {
                .start  = 86,
@@ -661,6 +661,25 @@ static struct platform_device spi0_device = {
        .resource       = spi0_resources,
 };
+static struct resource spi1_resources[] = {
+        {
+                .start  = 0xffd8ee70,
+                .end    = 0xffd8eeff,
+                .flags  = IORESOURCE_MEM | IORESOURCE_MEM_8BIT,
+        },
+        {
+                .start  = 54,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+static struct platform_device spi1_device = {
+        .name   = "sh_spi",
+        .id     = 1,
+        .num_resources  = ARRAY_SIZE(spi1_resources),
+        .resource       = spi1_resources,
+};
 static struct resource usb_ehci_resources[] = {
        [0] = {
                .start  = 0xfe4f1000,
@@ -720,6 +739,7 @@ static struct platform_device *sh7757_devices[] __initdata = {
        &dma2_device,
        &dma3_device,
        &spi0_device,
+        &spi1_device,
        &usb_ehci_device,
        &usb_ohci_device,
 };
diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index 3147a9a6fb8b..f624174bf239 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -63,7 +63,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
        mp_ops->prepare_cpus(max_cpus);
 #ifndef CONFIG_HOTPLUG_CPU
-        init_cpu_present(&cpu_possible_map);
+        init_cpu_present(cpu_possible_mask);
 #endif
 }
diff --git a/arch/sh/kernel/topology.c b/arch/sh/kernel/topology.c
index 4649a6ff0cfe..772caffba22f 100644
--- a/arch/sh/kernel/topology.c
+++ b/arch/sh/kernel/topology.c
@@ -27,7 +27,7 @@ static cpumask_t cpu_coregroup_map(unsigned int cpu)
         * Presently all SH-X3 SMP cores are multi-cores, so just keep it
         * simple until we have a method for determining topology..
         */
-        return cpu_possible_map;
+        return *cpu_possible_mask;
 }
 const struct cpumask *cpu_coregroup_mask(unsigned int cpu)
diff --git a/arch/sh/mm/cache-sh2a.c b/arch/sh/mm/cache-sh2a.c
index ae08cbbfa569..949e2d3138a0 100644
--- a/arch/sh/mm/cache-sh2a.c
+++ b/arch/sh/mm/cache-sh2a.c
@@ -23,6 +23,7 @@
 #define MAX_OCACHE_PAGES        32
 #define MAX_ICACHE_PAGES        32
+#ifdef CONFIG_CACHE_WRITEBACK
 static void sh2a_flush_oc_line(unsigned long v, int way)
 {
        unsigned long addr = (v & 0x000007f0) | (way << 11);
@@ -34,6 +35,7 @@ static void sh2a_flush_oc_line(unsigned long v, int way)
                __raw_writel(data, CACHE_OC_ADDRESS_ARRAY | addr);
        }
 }
+#endif
 static void sh2a_invalidate_line(unsigned long cache_addr, unsigned long v)
 {
diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c
index fd843877e841..39e49091f648 100644
--- a/arch/x86/ia32/ia32_aout.c
+++ b/arch/x86/ia32/ia32_aout.c
@@ -315,6 +315,13 @@ static int load_aout_binary(struct linux_binprm *bprm, struct pt_regs *regs)
        current->mm->free_area_cache = TASK_UNMAPPED_BASE;
        current->mm->cached_hole_size = 0;
+        retval = setup_arg_pages(bprm, IA32_STACK_TOP, EXSTACK_DEFAULT);
+        if (retval < 0) {
+                /* Someone check-me: is this error path enough? */
+                send_sig(SIGKILL, current, 0);
+                return retval;
+        }
        install_exec_creds(bprm);
        current->flags &= ~PF_FORKNOEXEC;
@@ -410,13 +417,6 @@ beyond_if:
        set_brk(current->mm->start_brk, current->mm->brk);
-        retval = setup_arg_pages(bprm, IA32_STACK_TOP, EXSTACK_DEFAULT);
-        if (retval < 0) {
-                /* Someone check-me: is this error path enough? */
-                send_sig(SIGKILL, current, 0);
-                return retval;
-        }
        current->mm->start_stack =
                (unsigned long)create_aout_tables((char __user *)bprm->p, bprm);
        /* start thread */
diff --git a/arch/x86/include/asm/i387.h b/arch/x86/include/asm/i387.h
index a850b4d8d14d..247904945d3f 100644
--- a/arch/x86/include/asm/i387.h
+++ b/arch/x86/include/asm/i387.h
@@ -29,10 +29,11 @@ extern unsigned int sig_xstate_size;
 extern void fpu_init(void);
 extern void mxcsr_feature_mask_init(void);
 extern int init_fpu(struct task_struct *child);
-extern void __math_state_restore(struct task_struct *);
 extern void math_state_restore(void);
 extern int dump_fpu(struct pt_regs *, struct user_i387_struct *);
+DECLARE_PER_CPU(struct task_struct *, fpu_owner_task);
 extern user_regset_active_fn fpregs_active, xfpregs_active;
 extern user_regset_get_fn fpregs_get, xfpregs_get, fpregs_soft_get,
                                xstateregs_get;
@@ -269,6 +270,16 @@ static inline int fpu_restore_checking(struct fpu *fpu)
 static inline int restore_fpu_checking(struct task_struct *tsk)
 {
+        /* AMD K7/K8 CPUs don't save/restore FDP/FIP/FOP unless an exception
+           is pending.  Clear the x87 state here by setting it to fixed
+           values. "m" is a random variable that should be in L1 */
+        alternative_input(
+                ASM_NOP8 ASM_NOP2,
+                "emms\n\t"              /* clear stack tags */
+                "fildl %P[addr]",       /* set F?P to defined value */
+                X86_FEATURE_FXSAVE_LEAK,
+                [addr] "m" (tsk->thread.fpu.has_fpu));
        return fpu_restore_checking(&tsk->thread.fpu);
 }
@@ -279,19 +290,21 @@ static inline int restore_fpu_checking(struct task_struct *tsk)
 */
 static inline int __thread_has_fpu(struct task_struct *tsk)
 {
-        return tsk->thread.has_fpu;
+        return tsk->thread.fpu.has_fpu;
 }
 /* Must be paired with an 'stts' after! */
 static inline void __thread_clear_has_fpu(struct task_struct *tsk)
 {
-        tsk->thread.has_fpu = 0;
+        tsk->thread.fpu.has_fpu = 0;
+        percpu_write(fpu_owner_task, NULL);
 }
 /* Must be paired with a 'clts' before! */
 static inline void __thread_set_has_fpu(struct task_struct *tsk)
 {
-        tsk->thread.has_fpu = 1;
+        tsk->thread.fpu.has_fpu = 1;
+        percpu_write(fpu_owner_task, tsk);
 }
 /*
@@ -336,30 +349,36 @@ typedef struct { int preload; } fpu_switch_t;
 * We don't do that yet, so "fpu_lazy_restore()" always returns
 * false, but some day..
 */
-#define fpu_lazy_restore(tsk) (0)
+static inline int fpu_lazy_restore(struct task_struct *new, unsigned int cpu)
-#define fpu_lazy_state_intact(tsk) do { } while (0)
+{
+        return new == percpu_read_stable(fpu_owner_task) &&
+                cpu == new->thread.fpu.last_cpu;
+}
-static inline fpu_switch_t switch_fpu_prepare(struct task_struct *old, struct task_struct *new)
+static inline fpu_switch_t switch_fpu_prepare(struct task_struct *old, struct task_struct *new, int cpu)
 {
        fpu_switch_t fpu;
        fpu.preload = tsk_used_math(new) && new->fpu_counter > 5;
        if (__thread_has_fpu(old)) {
-                if (__save_init_fpu(old))
+                if (!__save_init_fpu(old))
-                        fpu_lazy_state_intact(old);
+                        cpu = ~0;
-                __thread_clear_has_fpu(old);
+                old->thread.fpu.last_cpu = cpu;
-                old->fpu_counter++;
+                old->thread.fpu.has_fpu = 0;    /* But leave fpu_owner_task! */
                /* Don't change CR0.TS if we just switch! */
                if (fpu.preload) {
+                        new->fpu_counter++;
                        __thread_set_has_fpu(new);
                        prefetch(new->thread.fpu.state);
                } else
                        stts();
        } else {
                old->fpu_counter = 0;
+                old->thread.fpu.last_cpu = ~0;
                if (fpu.preload) {
-                        if (fpu_lazy_restore(new))
+                        new->fpu_counter++;
+                        if (fpu_lazy_restore(new, cpu))
                                fpu.preload = 0;
                        else
                                prefetch(new->thread.fpu.state);
@@ -377,8 +396,10 @@ static inline fpu_switch_t switch_fpu_prepare(struct task_struct *old, struct ta
 */
 static inline void switch_fpu_finish(struct task_struct *new, fpu_switch_t fpu)
 {
-        if (fpu.preload)
+        if (fpu.preload) {
-                __math_state_restore(new);
+                if (unlikely(restore_fpu_checking(new)))
+                        __thread_fpu_end(new);
+        }
 }
 /*
@@ -451,8 +472,10 @@ static inline void kernel_fpu_begin(void)
                __save_init_fpu(me);
                __thread_clear_has_fpu(me);
                /* We do 'stts()' in kernel_fpu_end() */
-        } else
+        } else {
+                percpu_write(fpu_owner_task, NULL);
                clts();
+        }
 }
 static inline void kernel_fpu_end(void)
diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h
index 096c975e099f..461ce432b1c2 100644
--- a/arch/x86/include/asm/perf_event.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -242,4 +242,12 @@ static inline void perf_get_x86_pmu_capability(struct x86_pmu_capability *cap)
 static inline void perf_events_lapic_init(void) { }
 #endif
+#if defined(CONFIG_PERF_EVENTS) && defined(CONFIG_CPU_SUP_AMD)
+ extern void amd_pmu_enable_virt(void);
+ extern void amd_pmu_disable_virt(void);
+#else
+ static inline void amd_pmu_enable_virt(void) { }
+ static inline void amd_pmu_disable_virt(void) { }
+#endif
 #endif /* _ASM_X86_PERF_EVENT_H */
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index f7c89e231c6c..58545c97d071 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -374,6 +374,8 @@ union thread_xstate {
 };
 struct fpu {
+        unsigned int last_cpu;
+        unsigned int has_fpu;
        union thread_xstate *state;
 };
@@ -454,7 +456,6 @@ struct thread_struct {
        unsigned long           trap_no;
        unsigned long           error_code;
        /* floating point and extended processor state */
-        unsigned long           has_fpu;
        struct fpu              fpu;
 #ifdef CONFIG_X86_32
        /* Virtual 86 mode info */
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index d43cad74f166..c0f7d68d318f 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1044,6 +1044,9 @@ DEFINE_PER_CPU(char *, irq_stack_ptr) =
 DEFINE_PER_CPU(unsigned int, irq_count) = -1;
+DEFINE_PER_CPU(struct task_struct *, fpu_owner_task);
+EXPORT_PER_CPU_SYMBOL(fpu_owner_task);
 /*
 * Special IST stacks which the CPU switches to when it calls
 * an IST-marked descriptor entry. Up to 7 stacks (hardware
@@ -1111,6 +1114,8 @@ void debug_stack_reset(void)
 DEFINE_PER_CPU(struct task_struct *, current_task) = &init_task;
 EXPORT_PER_CPU_SYMBOL(current_task);
+DEFINE_PER_CPU(struct task_struct *, fpu_owner_task);
+EXPORT_PER_CPU_SYMBOL(fpu_owner_task);
 #ifdef CONFIG_CC_STACKPROTECTOR
 DEFINE_PER_CPU_ALIGNED(struct stack_canary, stack_canary);
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index 6b45e5e7a901..73d08ed98a64 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -326,8 +326,7 @@ static void __cpuinit amd_calc_l3_indices(struct amd_northbridge *nb)
        l3->indices = (max(max3(sc0, sc1, sc2), sc3) << 10) - 1;
 }
-static void __cpuinit amd_init_l3_cache(struct _cpuid4_info_regs *this_leaf,
+static void __cpuinit amd_init_l3_cache(struct _cpuid4_info_regs *this_leaf, int index)
-                                        int index)
 {
        int node;
@@ -725,14 +724,16 @@ static DEFINE_PER_CPU(struct _cpuid4_info *, ici_cpuid4_info);
 #define CPUID4_INFO_IDX(x, y)   (&((per_cpu(ici_cpuid4_info, x))[y]))
 #ifdef CONFIG_SMP
-static void __cpuinit cache_shared_cpu_map_setup(unsigned int cpu, int index)
+static int __cpuinit cache_shared_amd_cpu_map_setup(unsigned int cpu, int index)
 {
-        struct _cpuid4_info     *this_leaf, *sibling_leaf;
+        struct _cpuid4_info *this_leaf;
-        unsigned long num_threads_sharing;
+        int ret, i, sibling;
-        int index_msb, i, sibling;
        struct cpuinfo_x86 *c = &cpu_data(cpu);
-        if ((index == 3) && (c->x86_vendor == X86_VENDOR_AMD)) {
+        ret = 0;
+        if (index == 3) {
+                ret = 1;
                for_each_cpu(i, cpu_llc_shared_mask(cpu)) {
                        if (!per_cpu(ici_cpuid4_info, i))
                                continue;
@@ -743,8 +744,35 @@ static void __cpuinit cache_shared_cpu_map_setup(unsigned int cpu, int index)
                                set_bit(sibling, this_leaf->shared_cpu_map);
                        }
                }
-                return;
+        } else if ((c->x86 == 0x15) && ((index == 1) || (index == 2))) {
+                ret = 1;
+                for_each_cpu(i, cpu_sibling_mask(cpu)) {
+                        if (!per_cpu(ici_cpuid4_info, i))
+                                continue;
+                        this_leaf = CPUID4_INFO_IDX(i, index);
+                        for_each_cpu(sibling, cpu_sibling_mask(cpu)) {
+                                if (!cpu_online(sibling))
+                                        continue;
+                                set_bit(sibling, this_leaf->shared_cpu_map);
+                        }
+                }
        }
+        return ret;
+}
+static void __cpuinit cache_shared_cpu_map_setup(unsigned int cpu, int index)
+{
+        struct _cpuid4_info *this_leaf, *sibling_leaf;
+        unsigned long num_threads_sharing;
+        int index_msb, i;
+        struct cpuinfo_x86 *c = &cpu_data(cpu);
+        if (c->x86_vendor == X86_VENDOR_AMD) {
+                if (cache_shared_amd_cpu_map_setup(cpu, index))
+                        return;
+        }
        this_leaf = CPUID4_INFO_IDX(cpu, index);
        num_threads_sharing = 1 + this_leaf->base.eax.split.num_threads_sharing;
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c
index 786e76a86322..e4eeaaf58a47 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_amd.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c
@@ -528,6 +528,7 @@ static __cpuinit int threshold_create_bank(unsigned int cpu, unsigned int bank)
        sprintf(name, "threshold_bank%i", bank);
+#ifdef CONFIG_SMP
        if (cpu_data(cpu).cpu_core_id && shared_bank[bank]) {   /* symlink */
                i = cpumask_first(cpu_llc_shared_mask(cpu));
@@ -553,6 +554,7 @@ static __cpuinit int threshold_create_bank(unsigned int cpu, unsigned int bank)
                goto out;
        }
+#endif
        b = kzalloc(sizeof(struct threshold_bank), GFP_KERNEL);
        if (!b) {
diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h
index 8944062f46e2..c30c807ddc72 100644
--- a/arch/x86/kernel/cpu/perf_event.h
+++ b/arch/x86/kernel/cpu/perf_event.h
@@ -147,7 +147,9 @@ struct cpu_hw_events {
        /*
         * AMD specific bits
         */
-        struct amd_nb           *amd_nb;
+        struct amd_nb                   *amd_nb;
+        /* Inverted mask of bits to clear in the perf_ctr ctrl registers */
+        u64                             perf_ctr_virt_mask;
        void                            *kfree_on_online;
 };
@@ -417,9 +419,11 @@ void x86_pmu_disable_all(void);
 static inline void __x86_pmu_enable_event(struct hw_perf_event *hwc,
                                          u64 enable_mask)
 {
+        u64 disable_mask = __this_cpu_read(cpu_hw_events.perf_ctr_virt_mask);
        if (hwc->extra_reg.reg)
                wrmsrl(hwc->extra_reg.reg, hwc->extra_reg.config);
-        wrmsrl(hwc->config_base, hwc->config | enable_mask);
+        wrmsrl(hwc->config_base, (hwc->config | enable_mask) & ~disable_mask);
 }
 void x86_pmu_enable_all(int added);
diff --git a/arch/x86/kernel/cpu/perf_event_amd.c b/arch/x86/kernel/cpu/perf_event_amd.c
index 0397b23be8e9..67250a52430b 100644
--- a/arch/x86/kernel/cpu/perf_event_amd.c
+++ b/arch/x86/kernel/cpu/perf_event_amd.c
@@ -1,4 +1,5 @@
 #include <linux/perf_event.h>
+#include <linux/export.h>
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/slab.h>
@@ -357,7 +358,9 @@ static void amd_pmu_cpu_starting(int cpu)
        struct amd_nb *nb;
        int i, nb_id;
-        if (boot_cpu_data.x86_max_cores < 2)
+        cpuc->perf_ctr_virt_mask = AMD_PERFMON_EVENTSEL_HOSTONLY;
+        if (boot_cpu_data.x86_max_cores < 2 || boot_cpu_data.x86 == 0x15)
                return;
        nb_id = amd_get_nb_id(cpu);
@@ -587,9 +590,9 @@ static __initconst const struct x86_pmu amd_pmu_f15h = {
        .put_event_constraints  = amd_put_event_constraints,
        .cpu_prepare            = amd_pmu_cpu_prepare,
-        .cpu_starting           = amd_pmu_cpu_starting,
        .cpu_dead               = amd_pmu_cpu_dead,
 #endif
+        .cpu_starting           = amd_pmu_cpu_starting,
 };
 __init int amd_pmu_init(void)
@@ -621,3 +624,33 @@ __init int amd_pmu_init(void)
        return 0;
 }
+void amd_pmu_enable_virt(void)
+{
+        struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+        cpuc->perf_ctr_virt_mask = 0;
+        /* Reload all events */
+        x86_pmu_disable_all();
+        x86_pmu_enable_all(0);
+}
+EXPORT_SYMBOL_GPL(amd_pmu_enable_virt);
+void amd_pmu_disable_virt(void)
+{
+        struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+        /*
+         * We only mask out the Host-only bit so that host-only counting works
+         * when SVM is disabled. If someone sets up a guest-only counter when
+         * SVM is disabled the Guest-only bits still gets set and the counter
+         * will not count anything.
+         */
+        cpuc->perf_ctr_virt_mask = AMD_PERFMON_EVENTSEL_HOSTONLY;
+        /* Reload all events */
+        x86_pmu_disable_all();
+        x86_pmu_enable_all(0);
+}
+EXPORT_SYMBOL_GPL(amd_pmu_disable_virt);
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 3fe8239fd8fb..1333d9851778 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -1532,10 +1532,17 @@ ENTRY(nmi)
        pushq_cfi %rdx
        /*
+         * If %cs was not the kernel segment, then the NMI triggered in user
+         * space, which means it is definitely not nested.
+         */
+        cmpl $__KERNEL_CS, 16(%rsp)
+        jne first_nmi
+        /*
         * Check the special variable on the stack to see if NMIs are
         * executing.
         */
-        cmp $1, -8(%rsp)
+        cmpl $1, -8(%rsp)
        je nested_nmi
        /*
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index ac0417be9131..73465aab28f8 100644
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -360,7 +360,6 @@ out:
 static enum ucode_state
 request_microcode_user(int cpu, const void __user *buf, size_t size)
 {
-        pr_info("AMD microcode update via /dev/cpu/microcode not supported\n");
        return UCODE_ERROR;
 }
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index 80bfe1ab0031..c08d1ff12b7c 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -214,6 +214,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
        task_user_gs(p) = get_user_gs(regs);
+        p->fpu_counter = 0;
        p->thread.io_bitmap_ptr = NULL;
        tsk = current;
        err = -ENOMEM;
@@ -303,7 +304,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
        /* never put a printk in __switch_to... printk() calls wake_up*() indirectly */
-        fpu = switch_fpu_prepare(prev_p, next_p);
+        fpu = switch_fpu_prepare(prev_p, next_p, cpu);
        /*
         * Reload esp0.
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 1fd94bc4279d..cfa5c90c01db 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -286,6 +286,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
        set_tsk_thread_flag(p, TIF_FORK);
+        p->fpu_counter = 0;
        p->thread.io_bitmap_ptr = NULL;
        savesegment(gs, p->thread.gsindex);
@@ -388,7 +389,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
        unsigned fsindex, gsindex;
        fpu_switch_t fpu;
-        fpu = switch_fpu_prepare(prev_p, next_p);
+        fpu = switch_fpu_prepare(prev_p, next_p, cpu);
        /*
         * Reload esp0, LDT and the page table pointer:
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 77da5b475ad2..4bbe04d96744 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -571,37 +571,6 @@ asmlinkage void __attribute__((weak)) smp_threshold_interrupt(void)
 }
 /*
- * This gets called with the process already owning the
- * FPU state, and with CR0.TS cleared. It just needs to
- * restore the FPU register state.
- */
-void __math_state_restore(struct task_struct *tsk)
-{
-        /* We need a safe address that is cheap to find and that is already
-           in L1. We've just brought in "tsk->thread.has_fpu", so use that */
-#define safe_address (tsk->thread.has_fpu)
-        /* AMD K7/K8 CPUs don't save/restore FDP/FIP/FOP unless an exception
-           is pending.  Clear the x87 state here by setting it to fixed
-           values. safe_address is a random variable that should be in L1 */
-        alternative_input(
-                ASM_NOP8 ASM_NOP2,
-                "emms\n\t"              /* clear stack tags */
-                "fildl %P[addr]",       /* set F?P to defined value */
-                X86_FEATURE_FXSAVE_LEAK,
-                [addr] "m" (safe_address));
-        /*
-         * Paranoid restore. send a SIGSEGV if we fail to restore the state.
-         */
-        if (unlikely(restore_fpu_checking(tsk))) {
-                __thread_fpu_end(tsk);
-                force_sig(SIGSEGV, tsk);
-                return;
-        }
-}
-/*
 * 'math_state_restore()' saves the current math information in the
 * old math state array, and gets the new ones from the current task
 *
@@ -631,7 +600,14 @@ void math_state_restore(void)
        }
        __thread_fpu_begin(tsk);
-        __math_state_restore(tsk);
+        /*
+         * Paranoid restore. send a SIGSEGV if we fail to restore the state.
+         */
+        if (unlikely(restore_fpu_checking(tsk))) {
+                __thread_fpu_end(tsk);
+                force_sig(SIGSEGV, tsk);
+                return;
+        }
        tsk->fpu_counter++;
 }
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 5fa553babe56..e385214711cb 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -29,6 +29,7 @@
 #include <linux/ftrace_event.h>
 #include <linux/slab.h>
+#include <asm/perf_event.h>
 #include <asm/tlbflush.h>
 #include <asm/desc.h>
 #include <asm/kvm_para.h>
@@ -575,6 +576,8 @@ static void svm_hardware_disable(void *garbage)
                wrmsrl(MSR_AMD64_TSC_RATIO, TSC_RATIO_DEFAULT);
        cpu_svm_disable();
+        amd_pmu_disable_virt();
 }
 static int svm_hardware_enable(void *garbage)
@@ -622,6 +625,8 @@ static int svm_hardware_enable(void *garbage)
        svm_init_erratum_383();
+        amd_pmu_enable_virt();
        return 0;
 }
diff --git a/arch/x86/lib/delay.c b/arch/x86/lib/delay.c
index fc45ba887d05..e395693abdb1 100644
--- a/arch/x86/lib/delay.c
+++ b/arch/x86/lib/delay.c
@@ -48,9 +48,9 @@ static void delay_loop(unsigned long loops)
 }
 /* TSC based delay: */
-static void delay_tsc(unsigned long loops)
+static void delay_tsc(unsigned long __loops)
 {
-        unsigned long bclock, now;
+        u32 bclock, now, loops = __loops;
        int cpu;
        preempt_disable();
diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c
index f581a18c0d4d..8ecbb4bba4b3 100644
--- a/arch/x86/mm/hugetlbpage.c
+++ b/arch/x86/mm/hugetlbpage.c
@@ -333,13 +333,15 @@ try_again:
                 * Lookup failure means no vma is above this address,
                 * i.e. return with success:
                 */
-                if (!(vma = find_vma_prev(mm, addr, &prev_vma)))
+                vma = find_vma(mm, addr);
+                if (!vma)
                        return addr;
                /*
                 * new region fits between prev_vma->vm_end and
                 * vma->vm_start, use it:
                 */
+                prev_vma = vma->vm_prev;
                if (addr + len <= vma->vm_start &&
                            (!prev_vma || (addr >= prev_vma->vm_end))) {
                        /* remember the address as a hint for next time */
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index a312e76063a7..49a5cb55429b 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -60,6 +60,16 @@ static const struct dmi_system_id pci_use_crs_table[] __initconst = {
                        DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."),
                },
        },
+        /* https://bugzilla.kernel.org/show_bug.cgi?id=42619 */
+        {
+                .callback = set_use_crs,
+                .ident = "MSI MS-7253",
+                .matches = {
+                        DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
+                        DMI_MATCH(DMI_BOARD_NAME, "MS-7253"),
+                        DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies, LTD"),
+                },
+        },
        /* Now for the blacklist.. */
@@ -282,9 +292,6 @@ static void add_resources(struct pci_root_info *info)
        int i;
        struct resource *res, *root, *conflict;
-        if (!pci_use_crs)
-                return;
        coalesce_windows(info, IORESOURCE_MEM);
        coalesce_windows(info, IORESOURCE_IO);
@@ -336,8 +343,13 @@ get_current_resources(struct acpi_device *device, int busnum,
        acpi_walk_resources(device->handle, METHOD_NAME__CRS, setup_resource,
                                &info);
-        add_resources(&info);
+        if (pci_use_crs) {
-        return;
+                add_resources(&info);
+                return;
+        }
+        kfree(info.name);
 name_alloc_fail:
        kfree(info.res);
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 12eb07bfb267..4172af8ceeb3 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1141,7 +1141,9 @@ asmlinkage void __init xen_start_kernel(void)
        /* Prevent unwanted bits from being set in PTEs. */
        __supported_pte_mask &= ~_PAGE_GLOBAL;
+#if 0
        if (!xen_initial_domain())
+#endif
                __supported_pte_mask &= ~(_PAGE_PWT | _PAGE_PCD);
        __supported_pte_mask |= _PAGE_IOMAP;
@@ -1204,10 +1206,6 @@ asmlinkage void __init xen_start_kernel(void)
        pgd = (pgd_t *)xen_start_info->pt_base;
-        if (!xen_initial_domain())
-                __supported_pte_mask &= ~(_PAGE_PWT | _PAGE_PCD);
-        __supported_pte_mask |= _PAGE_IOMAP;
        /* Don't do the full vcpu_info placement stuff until we have a
           possible map and a non-dummy shared_info. */
        per_cpu(xen_vcpu, 0) = &HYPERVISOR_shared_info->vcpu_info[0];
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 58a0e46c404d..95c1cf60c669 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -415,13 +415,13 @@ static pteval_t iomap_pte(pteval_t val)
 static pteval_t xen_pte_val(pte_t pte)
 {
        pteval_t pteval = pte.pte;
+#if 0
        /* If this is a WC pte, convert back from Xen WC to Linux WC */
        if ((pteval & (_PAGE_PAT | _PAGE_PCD | _PAGE_PWT)) == _PAGE_PAT) {
                WARN_ON(!pat_enabled);
                pteval = (pteval & ~_PAGE_PAT) | _PAGE_PWT;
        }
+#endif
        if (xen_initial_domain() && (pteval & _PAGE_IOMAP))
                return pteval;
@@ -463,7 +463,7 @@ void xen_set_pat(u64 pat)
 static pte_t xen_make_pte(pteval_t pte)
 {
        phys_addr_t addr = (pte & PTE_PFN_MASK);
+#if 0
        /* If Linux is trying to set a WC pte, then map to the Xen WC.
         * If _PAGE_PAT is set, then it probably means it is really
         * _PAGE_PSE, so avoid fiddling with the PAT mapping and hope
@@ -476,7 +476,7 @@ static pte_t xen_make_pte(pteval_t pte)
                if ((pte & (_PAGE_PCD | _PAGE_PWT)) == _PAGE_PWT)
                        pte = (pte & ~(_PAGE_PCD | _PAGE_PWT)) | _PAGE_PAT;
        }
+#endif
        /*
         * Unprivileged domains are allowed to do IOMAPpings for
         * PCI passthrough, but not map ISA space.  The ISA