87 files changed, 539 insertions, 251 deletions

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;
-        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;
+        delta = (new_raw_count - prev_raw_count) & armpmu->max_period;
 
         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);
-        dma_cap_set(DMA_SLAVE, atdma_pdata.cap_mask);
-        platform_device_register(&at_hdmac_device);
+#if defined(CONFIG_OF)
+        struct device_node *of_node =
+                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(MIC_ATR_DEFAULT, LPC32XX_INTC_ACT_TYPE(LPC32XX_SIC1_BASE));
+        __raw_writel(SIC1_APR_DEFAULT, LPC32XX_INTC_POLAR(LPC32XX_SIC1_BASE));
+        __raw_writel(SIC1_ATR_DEFAULT,
+                                LPC32XX_INTC_ACT_TYPE(LPC32XX_SIC1_BASE));
 
         /* Setup SIC2 */
         __raw_writel(0, LPC32XX_INTC_MASK(LPC32XX_SIC2_BASE));
-        __raw_writel(MIC_APR_DEFAULT, LPC32XX_INTC_POLAR(LPC32XX_SIC2_BASE));
-        __raw_writel(MIC_ATR_DEFAULT, LPC32XX_INTC_ACT_TYPE(LPC32XX_SIC2_BASE));
+        __raw_writel(SIC2_APR_DEFAULT, LPC32XX_INTC_POLAR(LPC32XX_SIC2_BASE));
+        __raw_writel(SIC2_ATR_DEFAULT,
+                                LPC32XX_INTC_ACT_TYPE(LPC32XX_SIC2_BASE));
 
         /* Configure supported IRQ's */
         for (i = 0; i < NR_IRQS; i++) {
diff --git a/arch/arm/mach-lpc32xx/serial.c b/arch/arm/mach-lpc32xx/serial.c
index 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)"
-        depends on ARCH_OMAP4 && BROKEN
+        bool "OMAP4 errata: Async Bridge Corruption"
+        depends on ARCH_OMAP4
         select ARCH_HAS_BARRIERS
         help
           If a data is stalled inside asynchronous bridge because of back
diff --git a/arch/arm/mach-omap2/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;
-                cx = cpuidle_get_statedata(&dev->states_usage[new_state_idx]);
+                index = drv->safe_state_index;
+                cx = cpuidle_get_statedata(&dev->states_usage[index]);
         }
 
         if (index > 0)
diff --git a/arch/arm/mach-omap2/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_bit(SPITZ_GPIO_SYNC));
+                | gpio_get_value(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 */
-#define SH73A0_PINT0_IRQ(irq) ((irq) + 768)
-#define SH73A0_PINT1_IRQ(irq) ((irq) + 800)
+/* PINT interrupts are located at Linux IRQ 800 and up */
+#define SH73A0_PINT0_IRQ(irq) ((irq) + 800)
+#define SH73A0_PINT1_IRQ(irq) ((irq) + 832)
 
 #endif /* __ASM_SH73A0_H__ */
diff --git a/arch/arm/mach-shmobile/intc-sh73a0.c b/arch/arm/mach-shmobile/intc-sh73a0.c
index 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
-        teqne   r6, #0x21                       @ present in r2p1
-        teqne   r6, #0x22                       @ present in r2p2
+        teq     r5, #0x00200000                 @ only present in r2p*
         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));