Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (65 commits) ARM: 6826/1: Merge v6 and v7 DEBUG_LL DCC support ARM: 6838/1: etm: fix section mismatch warning ARM: 6837/1: remove unused pci_fixup_prpmc1100 ARM: 6836/1: kprobes/fix emulation of LDR/STR instruction when Rn == PC Fix the broken build for Marvell Dove platform. ARM: 6835/1: perf: ensure overflows aren't missed due to IRQ latency ARM: 6834/1: perf: reset counters on all CPUs during initialisation ARM: 6833/1: perf: add required isbs() to ARMv7 backend ARM: 6825/1: kernel/sleep.S: fix Thumb2 compilation issues ARM: 6807/1: realview: Fix secondary GIC initialisation for EB with MPCore tile arm: mach-mx3: pcm043: add write-protect and card-detect for SD1 eukrea_mbimxsd51: add SD Card detect eukrea_mbimxsd25-baseboard: add SD card detect mx3/eukrea_mbimxsd-baseboard: add SD card detect support mx3/eukrea_mbimxsd-baseboard: fix gpio request ARM: mxs/mx28evk: add mmc device ARM: mxs/mx23evk: add mmc device ARM: mxs: dynamically allocate mmc device ARM: mx51_efika: update platform data for new mfd changes mx2/iomux: Set direction for CSPI2 pins ...
author: Linus Torvalds <torvalds@linux-foundation.org> 2011-03-30 10:50:45 -0400
committer: Linus Torvalds <torvalds@linux-foundation.org> 2011-03-30 10:50:45 -0400
commit: 85eb1513c15652cdaa9fd656345825bf55514a96 (patch)
tree: b445b8d6d9184a897a2656a9f16a6ec592137644
parent: e122996ae1edf2caf19643cb79366fc2117a6188 (diff)
parent: b43d151e9679a06df896ac3db65a9dca80040fed (diff)
101 files changed, 1196 insertions, 689 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 7c0effb69fc7..5b9f78b570e8 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -366,6 +366,7 @@ config ARCH_MXC
        select GENERIC_CLOCKEVENTS
        select ARCH_REQUIRE_GPIOLIB
        select CLKDEV_LOOKUP
+        select HAVE_SCHED_CLOCK
        help
          Support for Freescale MXC/iMX-based family of processors
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 84ac4d656310..adf583cd0c35 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -21,20 +21,12 @@
 #if defined(CONFIG_DEBUG_ICEDCC)
-#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K)
+#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) || defined(CONFIG_CPU_V7)
                .macro  loadsp, rb, tmp
                .endm
                .macro  writeb, ch, rb
                mcr     p14, 0, \ch, c0, c5, 0
                .endm
-#elif defined(CONFIG_CPU_V7)
-                .macro  loadsp, rb, tmp
-                .endm
-                .macro  writeb, ch, rb
-wait:           mrc     p14, 0, pc, c0, c1, 0
-                bcs     wait
-                mcr     p14, 0, \ch, c0, c5, 0
-                .endm
 #elif defined(CONFIG_CPU_XSCALE)
                .macro  loadsp, rb, tmp
                .endm
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
index 4657e877bf8f..2df38263124c 100644
--- a/arch/arm/boot/compressed/misc.c
+++ b/arch/arm/boot/compressed/misc.c
@@ -36,7 +36,7 @@ extern void error(char *x);
 #ifdef CONFIG_DEBUG_ICEDCC
-#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K)
+#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) || defined(CONFIG_CPU_V7)
 static void icedcc_putc(int ch)
 {
@@ -52,16 +52,6 @@ static void icedcc_putc(int ch)
        asm("mcr p14, 0, %0, c0, c5, 0" : : "r" (ch));
 }
-#elif defined(CONFIG_CPU_V7)
-static void icedcc_putc(int ch)
-{
-        asm(
-        "wait:  mrc     p14, 0, pc, c0, c1, 0                   \n\
-                bcs     wait                                    \n\
-                mcr     p14, 0, %0, c0, c5, 0                   "
-        : : "r" (ch));
-}
 #elif defined(CONFIG_CPU_XSCALE)
diff --git a/arch/arm/include/asm/mach/udc_pxa2xx.h b/arch/arm/include/asm/mach/udc_pxa2xx.h
index 833306ee9e7f..ea297ac70bc6 100644
--- a/arch/arm/include/asm/mach/udc_pxa2xx.h
+++ b/arch/arm/include/asm/mach/udc_pxa2xx.h
@@ -20,8 +20,6 @@ struct pxa2xx_udc_mach_info {
         * VBUS IRQ and omit the methods above.  Store the GPIO number
         * here.  Note that sometimes the signals go through inverters...
         */
-        bool    gpio_vbus_inverted;
-        int     gpio_vbus;                      /* high == vbus present */
        bool    gpio_pullup_inverted;
        int     gpio_pullup;                    /* high == pullup activated */
 };
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S
index d2d983be096d..bcd66e00bdbe 100644
--- a/arch/arm/kernel/debug.S
+++ b/arch/arm/kernel/debug.S
@@ -25,7 +25,7 @@
                .macro  addruart, rp, rv
                .endm
-#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K)
+#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) || defined(CONFIG_CPU_V7)
                .macro  senduart, rd, rx
                mcr     p14, 0, \rd, c0, c5, 0
@@ -49,23 +49,6 @@
 1002:
                .endm
-#elif defined(CONFIG_CPU_V7)
-                .macro  senduart, rd, rx
-                mcr     p14, 0, \rd, c0, c5, 0
-                .endm
-                .macro  busyuart, rd, rx
-busy:           mrc     p14, 0, pc, c0, c1, 0
-                bcs     busy
-                .endm
-                .macro  waituart, rd, rx
-wait:           mrc     p14, 0, pc, c0, c1, 0
-                bcs     wait
-                .endm
 #elif defined(CONFIG_CPU_XSCALE)
                .macro  senduart, rd, rx
diff --git a/arch/arm/kernel/etm.c b/arch/arm/kernel/etm.c
index 052b509e2d5f..1bec8b5f22f0 100644
--- a/arch/arm/kernel/etm.c
+++ b/arch/arm/kernel/etm.c
@@ -338,7 +338,7 @@ static struct miscdevice etb_miscdev = {
        .fops = &etb_fops,
 };
-static int __init etb_probe(struct amba_device *dev, const struct amba_id *id)
+static int __devinit etb_probe(struct amba_device *dev, const struct amba_id *id)
 {
        struct tracectx *t = &tracer;
        int ret = 0;
@@ -530,7 +530,7 @@ static ssize_t trace_mode_store(struct kobject *kobj,
 static struct kobj_attribute trace_mode_attr =
        __ATTR(trace_mode, 0644, trace_mode_show, trace_mode_store);
-static int __init etm_probe(struct amba_device *dev, const struct amba_id *id)
+static int __devinit etm_probe(struct amba_device *dev, const struct amba_id *id)
 {
        struct tracectx *t = &tracer;
        int ret = 0;
diff --git a/arch/arm/kernel/kprobes-decode.c b/arch/arm/kernel/kprobes-decode.c
index 8f6ed43861f1..23891317dc4b 100644
--- a/arch/arm/kernel/kprobes-decode.c
+++ b/arch/arm/kernel/kprobes-decode.c
@@ -594,7 +594,8 @@ static void __kprobes emulate_ldr(struct kprobe *p, struct pt_regs *regs)
        long cpsr = regs->ARM_cpsr;
        fnr.dr = insnslot_llret_3arg_rflags(rnv, 0, rmv, cpsr, i_fn);
-        regs->uregs[rn] = fnr.r0;  /* Save Rn in case of writeback. */
+        if (rn != 15)
+                regs->uregs[rn] = fnr.r0;  /* Save Rn in case of writeback. */
        rdv = fnr.r1;
        if (rd == 15) {
@@ -622,10 +623,11 @@ static void __kprobes emulate_str(struct kprobe *p, struct pt_regs *regs)
        long rdv = (rd == 15) ? iaddr + str_pc_offset : regs->uregs[rd];
        long rnv = (rn == 15) ? iaddr +  8 : regs->uregs[rn];
        long rmv = regs->uregs[rm];  /* rm/rmv may be invalid, don't care. */
+        long rnv_wb;
-        /* Save Rn in case of writeback. */
+        rnv_wb = insnslot_3arg_rflags(rnv, rdv, rmv, regs->ARM_cpsr, i_fn);
-        regs->uregs[rn] =
+        if (rn != 15)
-                insnslot_3arg_rflags(rnv, rdv, rmv, regs->ARM_cpsr, i_fn);
+                regs->uregs[rn] = rnv_wb;  /* Save Rn in case of writeback. */
 }
 static void __kprobes emulate_mrrc(struct kprobe *p, struct pt_regs *regs)
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 22e194eb8536..69cfee0fe00f 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -79,6 +79,7 @@ struct arm_pmu {
        void            (*write_counter)(int idx, u32 val);
        void            (*start)(void);
        void            (*stop)(void);
+        void            (*reset)(void *);
        const unsigned  (*cache_map)[PERF_COUNT_HW_CACHE_MAX]
                                    [PERF_COUNT_HW_CACHE_OP_MAX]
                                    [PERF_COUNT_HW_CACHE_RESULT_MAX];
@@ -204,11 +205,9 @@ armpmu_event_set_period(struct perf_event *event,
 static u64
 armpmu_event_update(struct perf_event *event,
                    struct hw_perf_event *hwc,
-                    int idx)
+                    int idx, int overflow)
 {
-        int shift = 64 - 32;
+        u64 delta, prev_raw_count, new_raw_count;
-        s64 prev_raw_count, new_raw_count;
-        u64 delta;
 again:
        prev_raw_count = local64_read(&hwc->prev_count);
@@ -218,8 +217,13 @@ again:
                             new_raw_count) != prev_raw_count)
                goto again;
-        delta = (new_raw_count << shift) - (prev_raw_count << shift);
+        new_raw_count &= armpmu->max_period;
-        delta >>= shift;
+        prev_raw_count &= armpmu->max_period;
+        if (overflow)
+                delta = armpmu->max_period - prev_raw_count + new_raw_count;
+        else
+                delta = new_raw_count - prev_raw_count;
        local64_add(delta, &event->count);
        local64_sub(delta, &hwc->period_left);
@@ -236,7 +240,7 @@ armpmu_read(struct perf_event *event)
        if (hwc->idx < 0)
                return;
-        armpmu_event_update(event, hwc, hwc->idx);
+        armpmu_event_update(event, hwc, hwc->idx, 0);
 }
 static void
@@ -254,7 +258,7 @@ 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);
+                armpmu_event_update(event, hwc, hwc->idx, 0);
                hwc->state |= PERF_HES_STOPPED | PERF_HES_UPTODATE;
        }
 }
@@ -624,6 +628,19 @@ static struct pmu pmu = {
 #include "perf_event_v6.c"
 #include "perf_event_v7.c"
+/*
+ * Ensure the PMU has sane values out of reset.
+ * This requires SMP to be available, so exists as a separate initcall.
+ */
+static int __init
+armpmu_reset(void)
+{
+        if (armpmu && armpmu->reset)
+                return on_each_cpu(armpmu->reset, NULL, 1);
+        return 0;
+}
+arch_initcall(armpmu_reset);
 static int __init
 init_hw_perf_events(void)
 {
diff --git a/arch/arm/kernel/perf_event_v6.c b/arch/arm/kernel/perf_event_v6.c
index 6fc2d228db55..f1e8dd94afe8 100644
--- a/arch/arm/kernel/perf_event_v6.c
+++ b/arch/arm/kernel/perf_event_v6.c
@@ -474,7 +474,7 @@ armv6pmu_handle_irq(int irq_num,
                        continue;
                hwc = &event->hw;
-                armpmu_event_update(event, hwc, idx);
+                armpmu_event_update(event, hwc, idx, 1);
                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 2e1402556fa0..4960686afb58 100644
--- a/arch/arm/kernel/perf_event_v7.c
+++ b/arch/arm/kernel/perf_event_v7.c
@@ -466,6 +466,7 @@ static inline unsigned long armv7_pmnc_read(void)
 static inline void armv7_pmnc_write(unsigned long val)
 {
        val &= ARMV7_PMNC_MASK;
+        isb();
        asm volatile("mcr p15, 0, %0, c9, c12, 0" : : "r"(val));
 }
@@ -502,6 +503,7 @@ static inline int armv7_pmnc_select_counter(unsigned int idx)
        val = (idx - ARMV7_EVENT_CNT_TO_CNTx) & ARMV7_SELECT_MASK;
        asm volatile("mcr p15, 0, %0, c9, c12, 5" : : "r" (val));
+        isb();
        return idx;
 }
@@ -780,7 +782,7 @@ static irqreturn_t armv7pmu_handle_irq(int irq_num, void *dev)
                        continue;
                hwc = &event->hw;
-                armpmu_event_update(event, hwc, idx);
+                armpmu_event_update(event, hwc, idx, 1);
                data.period = event->hw.last_period;
                if (!armpmu_event_set_period(event, hwc, idx))
                        continue;
@@ -847,6 +849,18 @@ static int armv7pmu_get_event_idx(struct cpu_hw_events *cpuc,
        }
 }
+static void armv7pmu_reset(void *info)
+{
+        u32 idx, nb_cnt = armpmu->num_events;
+        /* The counter and interrupt enable registers are unknown at reset. */
+        for (idx = 1; idx < nb_cnt; ++idx)
+                armv7pmu_disable_event(NULL, idx);
+        /* Initialize & Reset PMNC: C and P bits */
+        armv7_pmnc_write(ARMV7_PMNC_P | ARMV7_PMNC_C);
+}
 static struct arm_pmu armv7pmu = {
        .handle_irq             = armv7pmu_handle_irq,
        .enable                 = armv7pmu_enable_event,
@@ -856,17 +870,15 @@ static struct arm_pmu armv7pmu = {
        .get_event_idx          = armv7pmu_get_event_idx,
        .start                  = armv7pmu_start,
        .stop                   = armv7pmu_stop,
+        .reset                  = armv7pmu_reset,
        .raw_event_mask         = 0xFF,
        .max_period             = (1LLU << 32) - 1,
 };
-static u32 __init armv7_reset_read_pmnc(void)
+static u32 __init armv7_read_num_pmnc_events(void)
 {
        u32 nb_cnt;
-        /* Initialize & Reset PMNC: C and P bits */
-        armv7_pmnc_write(ARMV7_PMNC_P | ARMV7_PMNC_C);
        /* Read the nb of CNTx counters supported from PMNC */
        nb_cnt = (armv7_pmnc_read() >> ARMV7_PMNC_N_SHIFT) & ARMV7_PMNC_N_MASK;
@@ -880,7 +892,7 @@ static const struct arm_pmu *__init armv7_a8_pmu_init(void)
        armv7pmu.name           = "ARMv7 Cortex-A8";
        armv7pmu.cache_map      = &armv7_a8_perf_cache_map;
        armv7pmu.event_map      = &armv7_a8_perf_map;
-        armv7pmu.num_events     = armv7_reset_read_pmnc();
+        armv7pmu.num_events     = armv7_read_num_pmnc_events();
        return &armv7pmu;
 }
@@ -890,7 +902,7 @@ static const struct arm_pmu *__init armv7_a9_pmu_init(void)
        armv7pmu.name           = "ARMv7 Cortex-A9";
        armv7pmu.cache_map      = &armv7_a9_perf_cache_map;
        armv7pmu.event_map      = &armv7_a9_perf_map;
-        armv7pmu.num_events     = armv7_reset_read_pmnc();
+        armv7pmu.num_events     = armv7_read_num_pmnc_events();
        return &armv7pmu;
 }
 #else
diff --git a/arch/arm/kernel/perf_event_xscale.c b/arch/arm/kernel/perf_event_xscale.c
index 28cd3b025bc3..39affbe4fdb2 100644
--- a/arch/arm/kernel/perf_event_xscale.c
+++ b/arch/arm/kernel/perf_event_xscale.c
@@ -246,7 +246,7 @@ xscale1pmu_handle_irq(int irq_num, void *dev)
                        continue;
                hwc = &event->hw;
-                armpmu_event_update(event, hwc, idx);
+                armpmu_event_update(event, hwc, idx, 1);
                data.period = event->hw.last_period;
                if (!armpmu_event_set_period(event, hwc, idx))
                        continue;
@@ -578,7 +578,7 @@ xscale2pmu_handle_irq(int irq_num, void *dev)
                        continue;
                hwc = &event->hw;
-                armpmu_event_update(event, hwc, idx);
+                armpmu_event_update(event, hwc, idx, 1);
                data.period = event->hw.last_period;
                if (!armpmu_event_set_period(event, hwc, idx))
                        continue;
diff --git a/arch/arm/kernel/sleep.S b/arch/arm/kernel/sleep.S
index bfad698a02e7..6398ead9d1c0 100644
--- a/arch/arm/kernel/sleep.S
+++ b/arch/arm/kernel/sleep.S
@@ -119,11 +119,19 @@ ENTRY(cpu_resume)
 #else
        ldr     r0, sleep_save_sp       @ stack phys addr
 #endif
-        msr     cpsr_c, #PSR_I_BIT | PSR_F_BIT | SVC_MODE @ set SVC, irqs off
+        setmode PSR_I_BIT | PSR_F_BIT | SVC_MODE, r1  @ set SVC, irqs off
 #ifdef MULTI_CPU
-        ldmia   r0!, {r1, sp, lr, pc}   @ load v:p, stack, return fn, resume fn
+        @ load v:p, stack, return fn, resume fn
+  ARM(  ldmia   r0!, {r1, sp, lr, pc}   )
+THUMB(  ldmia   r0!, {r1, r2, r3, r4}   )
+THUMB(  mov     sp, r2                  )
+THUMB(  mov     lr, r3                  )
+THUMB(  bx      r4                      )
 #else
-        ldmia   r0!, {r1, sp, lr}       @ load v:p, stack, return fn
+        @ load v:p, stack, return fn
+  ARM(  ldmia   r0!, {r1, sp, lr}       )
+THUMB(  ldmia   r0!, {r1, r2, lr}       )
+THUMB(  mov     sp, r2                  )
        b       cpu_do_resume
 #endif
 ENDPROC(cpu_resume)
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 5eec099e0c72..56b930a13443 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -255,6 +255,7 @@ config MACH_IMX27_VISSTRIM_M10
        bool "Vista Silicon i.MX27 Visstrim_m10"
        select SOC_IMX27
        select IMX_HAVE_PLATFORM_IMX_I2C
+        select IMX_HAVE_PLATFORM_IMX_SSI
        select IMX_HAVE_PLATFORM_IMX_UART
        select IMX_HAVE_PLATFORM_MXC_MMC
        select IMX_HAVE_PLATFORM_MXC_EHCI
diff --git a/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c b/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c
index cb705c28de02..6269053505f7 100644
--- a/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c
+++ b/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c
@@ -34,6 +34,7 @@
 #include <mach/mx25.h>
 #include <mach/imx-uart.h>
 #include <mach/audmux.h>
+#include <mach/esdhc.h>
 #include "devices-imx25.h"
@@ -242,6 +243,11 @@ struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata __initconst = {
        .flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,
 };
+static struct esdhc_platform_data sd1_pdata = {
+        .cd_gpio = GPIO_SD1CD,
+        .wp_gpio = -EINVAL,
+};
 /*
 * system init for baseboard usage. Will be called by cpuimx25 init.
 *
@@ -275,7 +281,7 @@ void __init eukrea_mbimxsd25_baseboard_init(void)
        imx25_add_imx_ssi(0, &eukrea_mbimxsd_ssi_pdata);
        imx25_add_flexcan1(NULL);
-        imx25_add_sdhci_esdhc_imx(0, NULL);
+        imx25_add_sdhci_esdhc_imx(0, &sd1_pdata);
        gpio_request(GPIO_LED1, "LED1");
        gpio_direction_output(GPIO_LED1, 1);
diff --git a/arch/arm/mach-kirkwood/sheevaplug-setup.c b/arch/arm/mach-kirkwood/sheevaplug-setup.c
index 0a95063f6d32..17de0bf53c08 100644
--- a/arch/arm/mach-kirkwood/sheevaplug-setup.c
+++ b/arch/arm/mach-kirkwood/sheevaplug-setup.c
@@ -58,6 +58,12 @@ static struct mvsdio_platform_data sheeva_esata_mvsdio_data = {
 static struct gpio_led sheevaplug_led_pins[] = {
        {
+                .name                   = "plug:red:misc",
+                .default_trigger        = "none",
+                .gpio                   = 46,
+                .active_low             = 1,
+        },
+        {
                .name                   = "plug:green:health",
                .default_trigger        = "default-on",
                .gpio                   = 49,
@@ -80,6 +86,7 @@ static struct platform_device sheevaplug_leds = {
 static unsigned int sheevaplug_mpp_config[] __initdata = {
        MPP29_GPIO,     /* USB Power Enable */
+        MPP46_GPIO,     /* LED Red */
        MPP49_GPIO,     /* LED */
        0
 };
diff --git a/arch/arm/mach-mx3/eukrea_mbimxsd-baseboard.c b/arch/arm/mach-mx3/eukrea_mbimxsd-baseboard.c
index 80761474c0f8..2e288b38b4ad 100644
--- a/arch/arm/mach-mx3/eukrea_mbimxsd-baseboard.c
+++ b/arch/arm/mach-mx3/eukrea_mbimxsd-baseboard.c
@@ -43,6 +43,7 @@
 #include <mach/ipu.h>
 #include <mach/mx3fb.h>
 #include <mach/audmux.h>
+#include <mach/esdhc.h>
 #include "devices-imx35.h"
 #include "devices.h"
@@ -163,11 +164,14 @@ static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = {
        MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
        MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
        MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
+        /* SD1 CD */
+        MX35_PAD_LD18__GPIO3_24,
 };
 #define GPIO_LED1       IMX_GPIO_NR(3, 29)
 #define GPIO_SWITCH1    IMX_GPIO_NR(3, 25)
-#define GPIO_LCDPWR     (4)
+#define GPIO_LCDPWR     IMX_GPIO_NR(1, 4)
+#define GPIO_SD1CD      IMX_GPIO_NR(3, 24)
 static void eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data *pd,
                                   unsigned int power)
@@ -254,6 +258,11 @@ struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata __initconst = {
        .flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,
 };
+static struct esdhc_platform_data sd1_pdata = {
+        .cd_gpio = GPIO_SD1CD,
+        .wp_gpio = -EINVAL,
+};
 /*
 * system init for baseboard usage. Will be called by cpuimx35 init.
 *
@@ -289,7 +298,7 @@ void __init eukrea_mbimxsd35_baseboard_init(void)
        imx35_add_imx_ssi(0, &eukrea_mbimxsd_ssi_pdata);
        imx35_add_flexcan1(NULL);
-        imx35_add_sdhci_esdhc_imx(0, NULL);
+        imx35_add_sdhci_esdhc_imx(0, &sd1_pdata);
        gpio_request(GPIO_LED1, "LED1");
        gpio_direction_output(GPIO_LED1, 1);
@@ -301,7 +310,6 @@ void __init eukrea_mbimxsd35_baseboard_init(void)
        gpio_request(GPIO_LCDPWR, "LCDPWR");
        gpio_direction_output(GPIO_LCDPWR, 1);
-        gpio_free(GPIO_LCDPWR);
        i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
                                ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));
diff --git a/arch/arm/mach-mx3/mach-pcm043.c b/arch/arm/mach-mx3/mach-pcm043.c
index b3ecfb22d241..036ba1a4704b 100644
--- a/arch/arm/mach-mx3/mach-pcm043.c
+++ b/arch/arm/mach-mx3/mach-pcm043.c
@@ -40,6 +40,7 @@
 #include <mach/mx3fb.h>
 #include <mach/ulpi.h>
 #include <mach/audmux.h>
+#include <mach/esdhc.h>
 #include "devices-imx35.h"
 #include "devices.h"
@@ -217,11 +218,15 @@ static iomux_v3_cfg_t pcm043_pads[] = {
        MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
        MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
        MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
+        MX35_PAD_ATA_DATA10__GPIO2_23, /* WriteProtect */
+        MX35_PAD_ATA_DATA11__GPIO2_24, /* CardDetect */
 };
 #define AC97_GPIO_TXFS  IMX_GPIO_NR(2, 31)
 #define AC97_GPIO_TXD   IMX_GPIO_NR(2, 28)
 #define AC97_GPIO_RESET IMX_GPIO_NR(2, 0)
+#define SD1_GPIO_WP     IMX_GPIO_NR(2, 23)
+#define SD1_GPIO_CD     IMX_GPIO_NR(2, 24)
 static void pcm043_ac97_warm_reset(struct snd_ac97 *ac97)
 {
@@ -346,6 +351,11 @@ static int __init pcm043_otg_mode(char *options)
 }
 __setup("otg_mode=", pcm043_otg_mode);
+static struct esdhc_platform_data sd1_pdata = {
+        .wp_gpio = SD1_GPIO_WP,
+        .cd_gpio = SD1_GPIO_CD,
+};
 /*
 * Board specific initialization.
 */
@@ -395,7 +405,7 @@ static void __init pcm043_init(void)
                imx35_add_fsl_usb2_udc(&otg_device_pdata);
        imx35_add_flexcan1(NULL);
-        imx35_add_sdhci_esdhc_imx(0, NULL);
+        imx35_add_sdhci_esdhc_imx(0, &sd1_pdata);
 }
 static void __init pcm043_timer_init(void)
diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index 83ee08847d4d..159340da9191 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -165,6 +165,7 @@ config MACH_MX53_LOCO
        select IMX_HAVE_PLATFORM_IMX_I2C
        select IMX_HAVE_PLATFORM_IMX_UART
        select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
+        select IMX_HAVE_PLATFORM_GPIO_KEYS
        help
          Include support for MX53 LOCO platform. This includes specific
          configurations for the board and its peripherals.
diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile
index 4f63048be3ca..0b9338cec516 100644
--- a/arch/arm/mach-mx5/Makefile
+++ b/arch/arm/mach-mx5/Makefile
@@ -3,7 +3,7 @@
 #
 # Object file lists.
-obj-y   := cpu.o mm.o clock-mx51-mx53.o devices.o ehci.o
+obj-y   := cpu.o mm.o clock-mx51-mx53.o devices.o ehci.o system.o
 obj-$(CONFIG_SOC_IMX50) += mm-mx50.o
 obj-$(CONFIG_CPU_FREQ_IMX)    += cpu_op-mx51.o
diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c
index b2ecd194e76d..bea4e4135f9d 100644
--- a/arch/arm/mach-mx5/board-mx51_babbage.c
+++ b/arch/arm/mach-mx5/board-mx51_babbage.c
@@ -228,13 +228,12 @@ static inline void babbage_fec_reset(void)
        int ret;
        /* reset FEC PHY */
-        ret = gpio_request(BABBAGE_FEC_PHY_RESET, "fec-phy-reset");
+        ret = gpio_request_one(BABBAGE_FEC_PHY_RESET,
+                                        GPIOF_OUT_INIT_LOW, "fec-phy-reset");
        if (ret) {
                printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret);
                return;
        }
-        gpio_direction_output(BABBAGE_FEC_PHY_RESET, 0);
-        gpio_set_value(BABBAGE_FEC_PHY_RESET, 0);
        msleep(1);
        gpio_set_value(BABBAGE_FEC_PHY_RESET, 1);
 }
diff --git a/arch/arm/mach-mx5/board-mx53_evk.c b/arch/arm/mach-mx5/board-mx53_evk.c
index 7b5735c5ea59..2af3f43f74db 100644
--- a/arch/arm/mach-mx5/board-mx53_evk.c
+++ b/arch/arm/mach-mx5/board-mx53_evk.c
@@ -34,7 +34,7 @@
 #include <mach/imx-uart.h>
 #include <mach/iomux-mx53.h>
-#define SMD_FEC_PHY_RST         IMX_GPIO_NR(7, 6)
+#define MX53_EVK_FEC_PHY_RST    IMX_GPIO_NR(7, 6)
 #define EVK_ECSPI1_CS0          IMX_GPIO_NR(2, 30)
 #define EVK_ECSPI1_CS1          IMX_GPIO_NR(3, 19)
@@ -82,15 +82,14 @@ static inline void mx53_evk_fec_reset(void)
        int ret;
        /* reset FEC PHY */
-        ret = gpio_request(SMD_FEC_PHY_RST, "fec-phy-reset");
+        ret = gpio_request_one(MX53_EVK_FEC_PHY_RST, GPIOF_OUT_INIT_LOW,
+                                                        "fec-phy-reset");
        if (ret) {
                printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret);
                return;
        }
-        gpio_direction_output(SMD_FEC_PHY_RST, 0);
-        gpio_set_value(SMD_FEC_PHY_RST, 0);
        msleep(1);
-        gpio_set_value(SMD_FEC_PHY_RST, 1);
+        gpio_set_value(MX53_EVK_FEC_PHY_RST, 1);
 }
 static struct fec_platform_data mx53_evk_fec_pdata = {
diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c
index 0a18f8d23eb0..10a1bea10548 100644
--- a/arch/arm/mach-mx5/board-mx53_loco.c
+++ b/arch/arm/mach-mx5/board-mx53_loco.c
@@ -36,6 +36,9 @@
 #include "crm_regs.h"
 #include "devices-imx53.h"
+#define MX53_LOCO_POWER                 IMX_GPIO_NR(1, 8)
+#define MX53_LOCO_UI1                   IMX_GPIO_NR(2, 14)
+#define MX53_LOCO_UI2                   IMX_GPIO_NR(2, 15)
 #define LOCO_FEC_PHY_RST                IMX_GPIO_NR(7, 6)
 static iomux_v3_cfg_t mx53_loco_pads[] = {
@@ -180,6 +183,27 @@ static iomux_v3_cfg_t mx53_loco_pads[] = {
        MX53_PAD_GPIO_8__GPIO1_8,
 };
+#define GPIO_BUTTON(gpio_num, ev_code, act_low, descr, wake)    \
+{                                                               \
+        .gpio           = gpio_num,                             \
+        .type           = EV_KEY,                               \
+        .code           = ev_code,                              \
+        .active_low     = act_low,                              \
+        .desc           = "btn " descr,                         \
+        .wakeup         = wake,                                 \
+}
+static const struct gpio_keys_button loco_buttons[] __initconst = {
+        GPIO_BUTTON(MX53_LOCO_POWER, KEY_POWER, 1, "power", 0),
+        GPIO_BUTTON(MX53_LOCO_UI1, KEY_VOLUMEUP, 1, "volume-up", 0),
+        GPIO_BUTTON(MX53_LOCO_UI2, KEY_VOLUMEDOWN, 1, "volume-down", 0),
+};
+static const struct gpio_keys_platform_data loco_button_data __initconst = {
+        .buttons        = loco_buttons,
+        .nbuttons       = ARRAY_SIZE(loco_buttons),
+};
 static inline void mx53_loco_fec_reset(void)
 {
        int ret;
@@ -215,6 +239,7 @@ static void __init mx53_loco_board_init(void)
        imx53_add_imx_i2c(1, &mx53_loco_i2c_data);
        imx53_add_sdhci_esdhc_imx(0, NULL);
        imx53_add_sdhci_esdhc_imx(2, NULL);
+        imx_add_gpio_keys(&loco_button_data);
 }
 static void __init mx53_loco_timer_init(void)
diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c
index 652ace413825..fdbc05ed5513 100644
--- a/arch/arm/mach-mx5/clock-mx51-mx53.c
+++ b/arch/arm/mach-mx5/clock-mx51-mx53.c
@@ -865,6 +865,13 @@ static struct clk aips_tz2_clk = {
        .disable = _clk_ccgr_disable_inwait,
 };
+static struct clk gpc_dvfs_clk = {
+        .enable_reg = MXC_CCM_CCGR5,
+        .enable_shift = MXC_CCM_CCGRx_CG12_OFFSET,
+        .enable = _clk_ccgr_enable,
+        .disable = _clk_ccgr_disable,
+};
 static struct clk gpt_32k_clk = {
        .id = 0,
        .parent = &ckil_clk,
@@ -1448,6 +1455,7 @@ static struct clk_lookup mx51_lookups[] = {
        _REGISTER_CLOCK("imx-ipuv3", NULL, ipu_clk)
        _REGISTER_CLOCK("imx-ipuv3", "di0", ipu_di0_clk)
        _REGISTER_CLOCK("imx-ipuv3", "di1", ipu_di1_clk)
+        _REGISTER_CLOCK(NULL, "gpc_dvfs", gpc_dvfs_clk)
 };
 static struct clk_lookup mx53_lookups[] = {
@@ -1511,6 +1519,7 @@ int __init mx51_clocks_init(unsigned long ckil, unsigned long osc,
        clk_enable(&iim_clk);
        mx51_revision();
        clk_disable(&iim_clk);
+        mx51_display_revision();
        /* move usb_phy_clk to 24MHz */
        clk_set_parent(&usb_phy1_clk, &osc_clk);
diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c
index df46b5e60857..472bdfab2e55 100644
--- a/arch/arm/mach-mx5/cpu.c
+++ b/arch/arm/mach-mx5/cpu.c
@@ -21,6 +21,7 @@
 static int cpu_silicon_rev = -1;
 #define IIM_SREV 0x24
+#define MX50_HW_ADADIG_DIGPROG  0xB0
 static int get_mx51_srev(void)
 {
@@ -51,6 +52,26 @@ int mx51_revision(void)
 }
 EXPORT_SYMBOL(mx51_revision);
+void mx51_display_revision(void)
+{
+        int rev;
+        char *srev;
+        rev = mx51_revision();
+        switch (rev) {
+        case IMX_CHIP_REVISION_2_0:
+                srev = IMX_CHIP_REVISION_2_0_STRING;
+                break;
+        case IMX_CHIP_REVISION_3_0:
+                srev = IMX_CHIP_REVISION_3_0_STRING;
+                break;
+        default:
+                srev = IMX_CHIP_REVISION_UNKNOWN_STRING;
+        }
+        printk(KERN_INFO "CPU identified as i.MX51, silicon rev %s\n", srev);
+}
+EXPORT_SYMBOL(mx51_display_revision);
 #ifdef CONFIG_NEON
 /*
@@ -107,6 +128,44 @@ int mx53_revision(void)
 }
 EXPORT_SYMBOL(mx53_revision);
+static int get_mx50_srev(void)
+{
+        void __iomem *anatop = ioremap(MX50_ANATOP_BASE_ADDR, SZ_8K);
+        u32 rev;
+        if (!anatop) {
+                cpu_silicon_rev = -EINVAL;
+                return 0;
+        }
+        rev = readl(anatop + MX50_HW_ADADIG_DIGPROG);
+        rev &= 0xff;
+        iounmap(anatop);
+        if (rev == 0x0)
+                return IMX_CHIP_REVISION_1_0;
+        else if (rev == 0x1)
+                return IMX_CHIP_REVISION_1_1;
+        return 0;
+}
+/*
+ * Returns:
+ *      the silicon revision of the cpu
+ *      -EINVAL - not a mx50
+ */
+int mx50_revision(void)
+{
+        if (!cpu_is_mx50())
+                return -EINVAL;
+        if (cpu_silicon_rev == -1)
+                cpu_silicon_rev = get_mx50_srev();
+        return cpu_silicon_rev;
+}
+EXPORT_SYMBOL(mx50_revision);
 static int __init post_cpu_init(void)
 {
        unsigned int reg;
diff --git a/arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c b/arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c
index c372a4373691..e6c1119c20ae 100644
--- a/arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c
+++ b/arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c
@@ -67,6 +67,10 @@ static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = {
        MX51_PAD_SD1_DATA1__SD1_DATA1,
        MX51_PAD_SD1_DATA2__SD1_DATA2,
        MX51_PAD_SD1_DATA3__SD1_DATA3,
+        /* SD1 CD */
+        _MX51_PAD_GPIO1_0__SD1_CD | MUX_PAD_CTRL(PAD_CTL_PUS_22K_UP |
+                        PAD_CTL_PKE | PAD_CTL_SRE_FAST |
+                        PAD_CTL_DSE_HIGH | PAD_CTL_PUE | PAD_CTL_HYS),
 };
 #define GPIO_LED1       IMX_GPIO_NR(3, 30)
diff --git a/arch/arm/mach-mx5/mx51_efika.c b/arch/arm/mach-mx5/mx51_efika.c
index 868af8f435fa..d0c7075937cf 100644
--- a/arch/arm/mach-mx5/mx51_efika.c
+++ b/arch/arm/mach-mx5/mx51_efika.c
@@ -42,7 +42,6 @@
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/time.h>
-#include <asm/mach-types.h>
 #include "devices-imx51.h"
 #include "devices.h"
diff --git a/arch/arm/mach-mx5/system.c b/arch/arm/mach-mx5/system.c
new file mode 100644
index 000000000000..76ae8dc33e00
--- /dev/null
+++ b/arch/arm/mach-mx5/system.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+/*
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <mach/hardware.h>
+#include "crm_regs.h"
+/* set cpu low power mode before WFI instruction. This function is called
+  * mx5 because it can be used for mx50, mx51, and mx53.*/
+void mx5_cpu_lp_set(enum mxc_cpu_pwr_mode mode)
+{
+        u32 plat_lpc, arm_srpgcr, ccm_clpcr;
+        u32 empgc0, empgc1;
+        int stop_mode = 0;
+        /* always allow platform to issue a deep sleep mode request */
+        plat_lpc = __raw_readl(MXC_CORTEXA8_PLAT_LPC) &
+            ~(MXC_CORTEXA8_PLAT_LPC_DSM);
+        ccm_clpcr = __raw_readl(MXC_CCM_CLPCR) & ~(MXC_CCM_CLPCR_LPM_MASK);
+        arm_srpgcr = __raw_readl(MXC_SRPG_ARM_SRPGCR) & ~(MXC_SRPGCR_PCR);
+        empgc0 = __raw_readl(MXC_SRPG_EMPGC0_SRPGCR) & ~(MXC_SRPGCR_PCR);
+        empgc1 = __raw_readl(MXC_SRPG_EMPGC1_SRPGCR) & ~(MXC_SRPGCR_PCR);
+        switch (mode) {
+        case WAIT_CLOCKED:
+                break;
+        case WAIT_UNCLOCKED:
+                ccm_clpcr |= 0x1 << MXC_CCM_CLPCR_LPM_OFFSET;
+                break;
+        case WAIT_UNCLOCKED_POWER_OFF:
+        case STOP_POWER_OFF:
+                plat_lpc |= MXC_CORTEXA8_PLAT_LPC_DSM
+                            | MXC_CORTEXA8_PLAT_LPC_DBG_DSM;
+                if (mode == WAIT_UNCLOCKED_POWER_OFF) {
+                        ccm_clpcr |= 0x1 << MXC_CCM_CLPCR_LPM_OFFSET;
+                        ccm_clpcr &= ~MXC_CCM_CLPCR_VSTBY;
+                        ccm_clpcr &= ~MXC_CCM_CLPCR_SBYOS;
+                        stop_mode = 0;
+                } else {
+                        ccm_clpcr |= 0x2 << MXC_CCM_CLPCR_LPM_OFFSET;
+                        ccm_clpcr |= 0x3 << MXC_CCM_CLPCR_STBY_COUNT_OFFSET;
+                        ccm_clpcr |= MXC_CCM_CLPCR_VSTBY;
+                        ccm_clpcr |= MXC_CCM_CLPCR_SBYOS;
+                        stop_mode = 1;
+                }
+                arm_srpgcr |= MXC_SRPGCR_PCR;
+                if (tzic_enable_wake(1) != 0)
+                        return;
+                break;
+        case STOP_POWER_ON:
+                ccm_clpcr |= 0x2 << MXC_CCM_CLPCR_LPM_OFFSET;
+                break;
+        default:
+                printk(KERN_WARNING "UNKNOWN cpu power mode: %d\n", mode);
+                return;
+        }
+        __raw_writel(plat_lpc, MXC_CORTEXA8_PLAT_LPC);
+        __raw_writel(ccm_clpcr, MXC_CCM_CLPCR);
+        __raw_writel(arm_srpgcr, MXC_SRPG_ARM_SRPGCR);
+        /* Enable NEON SRPG for all but MX50TO1.0. */
+        if (mx50_revision() != IMX_CHIP_REVISION_1_0)
+                __raw_writel(arm_srpgcr, MXC_SRPG_NEON_SRPGCR);
+        if (stop_mode) {
+                empgc0 |= MXC_SRPGCR_PCR;
+                empgc1 |= MXC_SRPGCR_PCR;
+                __raw_writel(empgc0, MXC_SRPG_EMPGC0_SRPGCR);
+                __raw_writel(empgc1, MXC_SRPG_EMPGC1_SRPGCR);
+        }
+}
diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
index 4f6f174af6c8..4522fbb235d5 100644
--- a/arch/arm/mach-mxs/Kconfig
+++ b/arch/arm/mach-mxs/Kconfig
@@ -22,6 +22,7 @@ config MACH_MX23EVK
        select SOC_IMX23
        select MXS_HAVE_AMBA_DUART
        select MXS_HAVE_PLATFORM_AUART
+        select MXS_HAVE_PLATFORM_MXS_MMC
        select MXS_HAVE_PLATFORM_MXSFB
        default y
        help
@@ -35,6 +36,7 @@ config MACH_MX28EVK
        select MXS_HAVE_PLATFORM_AUART
        select MXS_HAVE_PLATFORM_FEC
        select MXS_HAVE_PLATFORM_FLEXCAN
+        select MXS_HAVE_PLATFORM_MXS_MMC
        select MXS_HAVE_PLATFORM_MXSFB
        select MXS_OCOTP
        default y
diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c
index d133c7f30940..c3577ea789ac 100644
--- a/arch/arm/mach-mxs/clock-mx23.c
+++ b/arch/arm/mach-mxs/clock-mx23.c
@@ -521,6 +521,15 @@ static int clk_misc_init(void)
        __raw_writel(BM_CLKCTRL_CPU_INTERRUPT_WAIT,
                        CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU_SET);
+        /*
+         * 480 MHz seems too high to be ssp clock source directly,
+         * so set frac to get a 288 MHz ref_io.
+         */
+        reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC);
+        reg &= ~BM_CLKCTRL_FRAC_IOFRAC;
+        reg |= 30 << BP_CLKCTRL_FRAC_IOFRAC;
+        __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC);
        return 0;
 }
@@ -528,6 +537,12 @@ int __init mx23_clocks_init(void)
 {
        clk_misc_init();
+        /*
+         * source ssp clock from ref_io than ref_xtal,
+         * as ref_xtal only provides 24 MHz as maximum.
+         */
+        clk_set_parent(&ssp_clk, &ref_io_clk);
        clk_enable(&cpu_clk);
        clk_enable(&hbus_clk);
        clk_enable(&xbus_clk);
diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c
index 5e489a2b2023..1ad97fed1e94 100644
--- a/arch/arm/mach-mxs/clock-mx28.c
+++ b/arch/arm/mach-mxs/clock-mx28.c
@@ -618,6 +618,8 @@ static struct clk_lookup lookups[] = {
        _REGISTER_CLOCK("pll2", NULL, pll2_clk)
        _REGISTER_CLOCK("mxs-dma-apbh", NULL, hbus_clk)
        _REGISTER_CLOCK("mxs-dma-apbx", NULL, xbus_clk)
+        _REGISTER_CLOCK("mxs-mmc.0", NULL, ssp0_clk)
+        _REGISTER_CLOCK("mxs-mmc.1", NULL, ssp1_clk)
        _REGISTER_CLOCK("flexcan.0", NULL, can0_clk)
        _REGISTER_CLOCK("flexcan.1", NULL, can1_clk)
        _REGISTER_CLOCK(NULL, "usb0", usb0_clk)
@@ -737,6 +739,15 @@ static int clk_misc_init(void)
        reg |= BM_CLKCTRL_ENET_CLK_OUT_EN;
        __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_ENET);
+        /*
+         * 480 MHz seems too high to be ssp clock source directly,
+         * so set frac0 to get a 288 MHz ref_io0.
+         */
+        reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC0);
+        reg &= ~BM_CLKCTRL_FRAC0_IO0FRAC;
+        reg |= 30 << BP_CLKCTRL_FRAC0_IO0FRAC;
+        __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC0);
        return 0;
 }
@@ -744,6 +755,13 @@ int __init mx28_clocks_init(void)
 {
        clk_misc_init();
+        /*
+         * source ssp clock from ref_io0 than ref_xtal,
+         * as ref_xtal only provides 24 MHz as maximum.
+         */
+        clk_set_parent(&ssp0_clk, &ref_io0_clk);
+        clk_set_parent(&ssp1_clk, &ref_io0_clk);
        clk_enable(&cpu_clk);
        clk_enable(&hbus_clk);
        clk_enable(&xbus_clk);
diff --git a/arch/arm/mach-mxs/devices-mx23.h b/arch/arm/mach-mxs/devices-mx23.h
index c7e14f4e3669..c6f345febd39 100644
--- a/arch/arm/mach-mxs/devices-mx23.h
+++ b/arch/arm/mach-mxs/devices-mx23.h
@@ -21,6 +21,10 @@ extern const struct mxs_auart_data mx23_auart_data[] __initconst;
 #define mx23_add_auart0()               mx23_add_auart(0)
 #define mx23_add_auart1()               mx23_add_auart(1)
+extern const struct mxs_mxs_mmc_data mx23_mxs_mmc_data[] __initconst;
+#define mx23_add_mxs_mmc(id, pdata) \
+        mxs_add_mxs_mmc(&mx23_mxs_mmc_data[id], pdata)
 #define mx23_add_mxs_pwm(id)            mxs_add_mxs_pwm(MX23_PWM_BASE_ADDR, id)
 struct platform_device *__init mx23_add_mxsfb(
diff --git a/arch/arm/mach-mxs/devices-mx28.h b/arch/arm/mach-mxs/devices-mx28.h
index 9d08555c4cf0..c473eddce8cf 100644
--- a/arch/arm/mach-mxs/devices-mx28.h
+++ b/arch/arm/mach-mxs/devices-mx28.h
@@ -37,6 +37,10 @@ extern const struct mxs_flexcan_data mx28_flexcan_data[] __initconst;
 extern const struct mxs_i2c_data mx28_mxs_i2c_data[] __initconst;
 #define mx28_add_mxs_i2c(id)            mxs_add_mxs_i2c(&mx28_mxs_i2c_data[id])
+extern const struct mxs_mxs_mmc_data mx28_mxs_mmc_data[] __initconst;
+#define mx28_add_mxs_mmc(id, pdata) \
+        mxs_add_mxs_mmc(&mx28_mxs_mmc_data[id], pdata)
 #define mx28_add_mxs_pwm(id)            mxs_add_mxs_pwm(MX28_PWM_BASE_ADDR, id)
 struct platform_device *__init mx28_add_mxsfb(
diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig
index 1451ad060d82..acf9eea124c0 100644
--- a/arch/arm/mach-mxs/devices/Kconfig
+++ b/arch/arm/mach-mxs/devices/Kconfig
@@ -15,6 +15,9 @@ config MXS_HAVE_PLATFORM_FLEXCAN
 config MXS_HAVE_PLATFORM_MXS_I2C
        bool
+config MXS_HAVE_PLATFORM_MXS_MMC
+        bool
 config MXS_HAVE_PLATFORM_MXS_PWM
        bool
diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile
index 0d9bea30b0a2..324f2824d38d 100644
--- a/arch/arm/mach-mxs/devices/Makefile
+++ b/arch/arm/mach-mxs/devices/Makefile
@@ -4,5 +4,6 @@ obj-y += platform-dma.o
 obj-$(CONFIG_MXS_HAVE_PLATFORM_FEC) += platform-fec.o
 obj-$(CONFIG_MXS_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o
 obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_I2C) += platform-mxs-i2c.o
+obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_MMC) += platform-mxs-mmc.o
 obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_PWM) += platform-mxs-pwm.o
 obj-$(CONFIG_MXS_HAVE_PLATFORM_MXSFB) += platform-mxsfb.o
diff --git a/arch/arm/mach-mxs/devices/platform-mxs-mmc.c b/arch/arm/mach-mxs/devices/platform-mxs-mmc.c
new file mode 100644
index 000000000000..382dacbeca21
--- /dev/null
+++ b/arch/arm/mach-mxs/devices/platform-mxs-mmc.c
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2010 Pengutronix
+ * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
+ *
+ * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License version 2 as published by the
+ * Free Software Foundation.
+ */
+#include <linux/compiler.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <mach/mx23.h>
+#include <mach/mx28.h>
+#include <mach/devices-common.h>
+#define mxs_mxs_mmc_data_entry_single(soc, _id, hwid)                   \
+        {                                                               \
+                .id = _id,                                              \
+                .iobase = soc ## _SSP ## hwid ## _BASE_ADDR,            \
+                .dma = soc ## _DMA_SSP ## hwid,                         \
+                .irq_err = soc ## _INT_SSP ## hwid ## _ERROR,           \
+                .irq_dma = soc ## _INT_SSP ## hwid ## _DMA,             \
+        }
+#define mxs_mxs_mmc_data_entry(soc, _id, hwid)                          \
+        [_id] = mxs_mxs_mmc_data_entry_single(soc, _id, hwid)
+#ifdef CONFIG_SOC_IMX23
+const struct mxs_mxs_mmc_data mx23_mxs_mmc_data[] __initconst = {
+        mxs_mxs_mmc_data_entry(MX23, 0, 1),
+        mxs_mxs_mmc_data_entry(MX23, 1, 2),
+};
+#endif
+#ifdef CONFIG_SOC_IMX28
+const struct mxs_mxs_mmc_data mx28_mxs_mmc_data[] __initconst = {
+        mxs_mxs_mmc_data_entry(MX28, 0, 0),
+        mxs_mxs_mmc_data_entry(MX28, 1, 1),
+};
+#endif
+struct platform_device *__init mxs_add_mxs_mmc(
+                const struct mxs_mxs_mmc_data *data,
+                const struct mxs_mmc_platform_data *pdata)
+{
+        struct resource res[] = {
+                {
+                        .start  = data->iobase,
+                        .end    = data->iobase + SZ_8K - 1,
+                        .flags  = IORESOURCE_MEM,
+                }, {
+                        .start  = data->dma,
+                        .end    = data->dma,
+                        .flags  = IORESOURCE_DMA,
+                }, {
+                        .start  = data->irq_err,
+                        .end    = data->irq_err,
+                        .flags  = IORESOURCE_IRQ,
+                }, {
+                        .start  = data->irq_dma,
+                        .end    = data->irq_dma,
+                        .flags  = IORESOURCE_IRQ,
+                },
+        };
+        return mxs_add_platform_device("mxs-mmc", data->id,
+                        res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
+}
diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h
index 71f24484b044..c5137f14c364 100644
--- a/arch/arm/mach-mxs/include/mach/devices-common.h
+++ b/arch/arm/mach-mxs/include/mach/devices-common.h
@@ -73,6 +73,19 @@ struct mxs_i2c_data {
 };
 struct platform_device * __init mxs_add_mxs_i2c(const struct mxs_i2c_data *data);
+/* mmc */
+#include <mach/mmc.h>
+struct mxs_mxs_mmc_data {
+        int id;
+        resource_size_t iobase;
+        resource_size_t dma;
+        resource_size_t irq_err;
+        resource_size_t irq_dma;
+};
+struct platform_device *__init mxs_add_mxs_mmc(
+                const struct mxs_mxs_mmc_data *data,
+                const struct mxs_mmc_platform_data *pdata);
 /* pwm */
 struct platform_device *__init mxs_add_mxs_pwm(
                resource_size_t iobase, int id);
diff --git a/arch/arm/mach-mxs/mach-mx23evk.c b/arch/arm/mach-mxs/mach-mx23evk.c
index a66994f0518f..214e5b641bbc 100644
--- a/arch/arm/mach-mxs/mach-mx23evk.c
+++ b/arch/arm/mach-mxs/mach-mx23evk.c
@@ -28,6 +28,8 @@
 #define MX23EVK_LCD_ENABLE      MXS_GPIO_NR(1, 18)
 #define MX23EVK_BL_ENABLE       MXS_GPIO_NR(1, 28)
+#define MX23EVK_MMC0_WRITE_PROTECT      MXS_GPIO_NR(1, 30)
+#define MX23EVK_MMC0_SLOT_POWER         MXS_GPIO_NR(1, 29)
 static const iomux_cfg_t mx23evk_pads[] __initconst = {
        /* duart */
@@ -73,6 +75,36 @@ static const iomux_cfg_t mx23evk_pads[] __initconst = {
        MX23_PAD_LCD_RESET__GPIO_1_18 | MXS_PAD_CTRL,
        /* backlight control */
        MX23_PAD_PWM2__GPIO_1_28 | MXS_PAD_CTRL,
+        /* mmc */
+        MX23_PAD_SSP1_DATA0__SSP1_DATA0 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX23_PAD_SSP1_DATA1__SSP1_DATA1 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX23_PAD_SSP1_DATA2__SSP1_DATA2 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX23_PAD_SSP1_DATA3__SSP1_DATA3 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX23_PAD_GPMI_D08__SSP1_DATA4 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX23_PAD_GPMI_D09__SSP1_DATA5 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX23_PAD_GPMI_D10__SSP1_DATA6 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX23_PAD_GPMI_D11__SSP1_DATA7 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX23_PAD_SSP1_CMD__SSP1_CMD |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX23_PAD_SSP1_DETECT__SSP1_DETECT |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        MX23_PAD_SSP1_SCK__SSP1_SCK |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        /* write protect */
+        MX23_PAD_PWM4__GPIO_1_30 |
+                (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        /* slot power enable */
+        MX23_PAD_PWM3__GPIO_1_29 |
+                (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
 };
 /* mxsfb (lcdif) */
@@ -101,6 +133,11 @@ static const struct mxsfb_platform_data mx23evk_mxsfb_pdata __initconst = {
        .ld_intf_width  = STMLCDIF_24BIT,
 };
+static struct mxs_mmc_platform_data mx23evk_mmc_pdata __initdata = {
+        .wp_gpio = MX23EVK_MMC0_WRITE_PROTECT,
+        .flags = SLOTF_8_BIT_CAPABLE,
+};
 static void __init mx23evk_init(void)
 {
        int ret;
@@ -110,6 +147,13 @@ static void __init mx23evk_init(void)
        mx23_add_duart();
        mx23_add_auart0();
+        /* power on mmc slot by writing 0 to the gpio */
+        ret = gpio_request_one(MX23EVK_MMC0_SLOT_POWER, GPIOF_DIR_OUT,
+                               "mmc0-slot-power");
+        if (ret)
+                pr_warn("failed to request gpio mmc0-slot-power: %d\n", ret);
+        mx23_add_mxs_mmc(0, &mx23evk_mmc_pdata);
        ret = gpio_request_one(MX23EVK_LCD_ENABLE, GPIOF_DIR_OUT, "lcd-enable");
        if (ret)
                pr_warn("failed to request gpio lcd-enable: %d\n", ret);
diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c
index 08002d02267a..bb329b9a2608 100644
--- a/arch/arm/mach-mxs/mach-mx28evk.c
+++ b/arch/arm/mach-mxs/mach-mx28evk.c
@@ -34,6 +34,11 @@
 #define MX28EVK_LCD_ENABLE      MXS_GPIO_NR(3, 30)
 #define MX28EVK_FEC_PHY_RESET   MXS_GPIO_NR(4, 13)
+#define MX28EVK_MMC0_WRITE_PROTECT      MXS_GPIO_NR(2, 12)
+#define MX28EVK_MMC1_WRITE_PROTECT      MXS_GPIO_NR(0, 28)
+#define MX28EVK_MMC0_SLOT_POWER         MXS_GPIO_NR(3, 28)
+#define MX28EVK_MMC1_SLOT_POWER         MXS_GPIO_NR(3, 29)
 static const iomux_cfg_t mx28evk_pads[] __initconst = {
        /* duart */
        MX28_PAD_PWM0__DUART_RX | MXS_PAD_CTRL,
@@ -115,6 +120,65 @@ static const iomux_cfg_t mx28evk_pads[] __initconst = {
        MX28_PAD_LCD_RESET__GPIO_3_30 | MXS_PAD_CTRL,
        /* backlight control */
        MX28_PAD_PWM2__GPIO_3_18 | MXS_PAD_CTRL,
+        /* mmc0 */
+        MX28_PAD_SSP0_DATA0__SSP0_D0 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DATA1__SSP0_D1 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DATA2__SSP0_D2 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DATA3__SSP0_D3 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DATA4__SSP0_D4 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DATA5__SSP0_D5 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DATA6__SSP0_D6 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DATA7__SSP0_D7 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_CMD__SSP0_CMD |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        MX28_PAD_SSP0_SCK__SSP0_SCK |
+                (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        /* write protect */
+        MX28_PAD_SSP1_SCK__GPIO_2_12 |
+                (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        /* slot power enable */
+        MX28_PAD_PWM3__GPIO_3_28 |
+                (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        /* mmc1 */
+        MX28_PAD_GPMI_D00__SSP1_D0 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_GPMI_D01__SSP1_D1 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_GPMI_D02__SSP1_D2 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_GPMI_D03__SSP1_D3 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_GPMI_D04__SSP1_D4 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_GPMI_D05__SSP1_D5 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_GPMI_D06__SSP1_D6 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_GPMI_D07__SSP1_D7 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_GPMI_RDY1__SSP1_CMD |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_GPMI_RDY0__SSP1_CARD_DETECT |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        MX28_PAD_GPMI_WRN__SSP1_SCK |
+                (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        /* write protect */
+        MX28_PAD_GPMI_RESETN__GPIO_0_28 |
+                (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        /* slot power enable */
+        MX28_PAD_PWM4__GPIO_3_29 |
+                (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
 };
 /* fec */
@@ -258,6 +322,18 @@ static const struct mxsfb_platform_data mx28evk_mxsfb_pdata __initconst = {
        .ld_intf_width  = STMLCDIF_24BIT,
 };
+static struct mxs_mmc_platform_data mx28evk_mmc_pdata[] __initdata = {
+        {
+                /* mmc0 */
+                .wp_gpio = MX28EVK_MMC0_WRITE_PROTECT,
+                .flags = SLOTF_8_BIT_CAPABLE,
+        }, {
+                /* mmc1 */
+                .wp_gpio = MX28EVK_MMC1_WRITE_PROTECT,
+                .flags = SLOTF_8_BIT_CAPABLE,
+        },
+};
 static void __init mx28evk_init(void)
 {
        int ret;
@@ -297,6 +373,19 @@ static void __init mx28evk_init(void)
                gpio_set_value(MX28EVK_BL_ENABLE, 1);
        mx28_add_mxsfb(&mx28evk_mxsfb_pdata);
+        /* power on mmc slot by writing 0 to the gpio */
+        ret = gpio_request_one(MX28EVK_MMC0_SLOT_POWER, GPIOF_DIR_OUT,
+                               "mmc0-slot-power");
+        if (ret)
+                pr_warn("failed to request gpio mmc0-slot-power: %d\n", ret);
+        mx28_add_mxs_mmc(0, &mx28evk_mmc_pdata[0]);
+        ret = gpio_request_one(MX28EVK_MMC1_SLOT_POWER, GPIOF_DIR_OUT,
+                               "mmc1-slot-power");
+        if (ret)
+                pr_warn("failed to request gpio mmc1-slot-power: %d\n", ret);
+        mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]);
 }
 static void __init mx28evk_timer_init(void)
diff --git a/arch/arm/mach-mxs/module-tx28.c b/arch/arm/mach-mxs/module-tx28.c
index fa0b154da67b..0fcff47009cf 100644
--- a/arch/arm/mach-mxs/module-tx28.c
+++ b/arch/arm/mach-mxs/module-tx28.c
@@ -45,7 +45,7 @@ static const iomux_cfg_t tx28_fec_gpio_pads[] __initconst = {
 };
 #define FEC_MODE (MXS_PAD_8MA | MXS_PAD_PULLUP | MXS_PAD_3V3)
-static const iomux_cfg_t tx28_fec_pads[] __initconst = {
+static const iomux_cfg_t tx28_fec0_pads[] __initconst = {
        MX28_PAD_ENET0_MDC__ENET0_MDC | FEC_MODE,
        MX28_PAD_ENET0_MDIO__ENET0_MDIO | FEC_MODE,
        MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | FEC_MODE,
@@ -57,7 +57,20 @@ static const iomux_cfg_t tx28_fec_pads[] __initconst = {
        MX28_PAD_ENET_CLK__CLKCTRL_ENET | FEC_MODE,
 };
-static const struct fec_platform_data tx28_fec_data __initconst = {
+static const iomux_cfg_t tx28_fec1_pads[] __initconst = {
+        MX28_PAD_ENET0_RXD2__ENET1_RXD0,
+        MX28_PAD_ENET0_RXD3__ENET1_RXD1,
+        MX28_PAD_ENET0_TXD2__ENET1_TXD0,
+        MX28_PAD_ENET0_TXD3__ENET1_TXD1,
+        MX28_PAD_ENET0_COL__ENET1_TX_EN,
+        MX28_PAD_ENET0_CRS__ENET1_RX_EN,
+};
+static struct fec_platform_data tx28_fec0_data = {
+        .phy = PHY_INTERFACE_MODE_RMII,
+};
+static struct fec_platform_data tx28_fec1_data = {
        .phy = PHY_INTERFACE_MODE_RMII,
 };
@@ -108,15 +121,15 @@ int __init tx28_add_fec0(void)
        pr_debug("%s: Deasserting FEC PHY RESET\n", __func__);
        gpio_set_value(TX28_FEC_PHY_RESET, 1);
-        ret = mxs_iomux_setup_multiple_pads(tx28_fec_pads,
+        ret = mxs_iomux_setup_multiple_pads(tx28_fec0_pads,
-                        ARRAY_SIZE(tx28_fec_pads));
+                        ARRAY_SIZE(tx28_fec0_pads));
        if (ret) {
                pr_debug("%s: mxs_iomux_setup_multiple_pads() failed with rc: %d\n",
                                __func__, ret);
                goto free_gpios;
        }
-        pr_debug("%s: Registering FEC device\n", __func__);
+        pr_debug("%s: Registering FEC0 device\n", __func__);
-        mx28_add_fec(0, &tx28_fec_data);
+        mx28_add_fec(0, &tx28_fec0_data);
        return 0;
 free_gpios:
@@ -129,3 +142,19 @@ free_gpios:
        return ret;
 }
+int __init tx28_add_fec1(void)
+{
+        int ret;
+        ret = mxs_iomux_setup_multiple_pads(tx28_fec1_pads,
+                        ARRAY_SIZE(tx28_fec1_pads));
+        if (ret) {
+                pr_debug("%s: mxs_iomux_setup_multiple_pads() failed with rc: %d\n",
+                                __func__, ret);
+                return ret;
+        }
+        pr_debug("%s: Registering FEC1 device\n", __func__);
+        mx28_add_fec(1, &tx28_fec1_data);
+        return 0;
+}
diff --git a/arch/arm/mach-mxs/module-tx28.h b/arch/arm/mach-mxs/module-tx28.h
index df9e1b6e81bf..8ed425457d30 100644
--- a/arch/arm/mach-mxs/module-tx28.h
+++ b/arch/arm/mach-mxs/module-tx28.h
@@ -7,3 +7,4 @@
 * Free Software Foundation.
 */
 int __init tx28_add_fec0(void);
+int __init tx28_add_fec1(void);
diff --git a/arch/arm/mach-orion5x/ts78xx-setup.c b/arch/arm/mach-orion5x/ts78xx-setup.c
index 8554707d20a9..edb1dd2d1611 100644
--- a/arch/arm/mach-orion5x/ts78xx-setup.c
+++ b/arch/arm/mach-orion5x/ts78xx-setup.c
@@ -402,7 +402,7 @@ static void ts78xx_fpga_supports(void)
                /* enable devices if magic matches */
                switch ((ts78xx_fpga.id >> 8) & 0xffffff) {
                case TS7800_FPGA_MAGIC:
-                        printk(KERN_WARNING "TS-7800 FPGA: unrecognized revision 0x%.2x\n",
+                        pr_warning("TS-7800 FPGA: unrecognized revision 0x%.2x\n",
                                        ts78xx_fpga.id & 0xff);
                        ts78xx_fpga.supports.ts_rtc.present = 1;
                        ts78xx_fpga.supports.ts_nand.present = 1;
@@ -423,7 +423,7 @@ static int ts78xx_fpga_load_devices(void)
        if (ts78xx_fpga.supports.ts_rtc.present == 1) {
                tmp = ts78xx_ts_rtc_load();
                if (tmp) {
-                        printk(KERN_INFO "TS-78xx: RTC not registered\n");
+                        pr_info("TS-78xx: RTC not registered\n");
                        ts78xx_fpga.supports.ts_rtc.present = 0;
                }
                ret |= tmp;
@@ -431,7 +431,7 @@ static int ts78xx_fpga_load_devices(void)
        if (ts78xx_fpga.supports.ts_nand.present == 1) {
                tmp = ts78xx_ts_nand_load();
                if (tmp) {
-                        printk(KERN_INFO "TS-78xx: NAND not registered\n");
+                        pr_info("TS-78xx: NAND not registered\n");
                        ts78xx_fpga.supports.ts_nand.present = 0;
                }
                ret |= tmp;
@@ -439,7 +439,7 @@ static int ts78xx_fpga_load_devices(void)
        if (ts78xx_fpga.supports.ts_rng.present == 1) {
                tmp = ts78xx_ts_rng_load();
                if (tmp) {
-                        printk(KERN_INFO "TS-78xx: RNG not registered\n");
+                        pr_info("TS-78xx: RNG not registered\n");
                        ts78xx_fpga.supports.ts_rng.present = 0;
                }
                ret |= tmp;
@@ -466,7 +466,7 @@ static int ts78xx_fpga_load(void)
 {
        ts78xx_fpga.id = readl(TS78XX_FPGA_REGS_VIRT_BASE);
-        printk(KERN_INFO "TS-78xx FPGA: magic=0x%.6x, rev=0x%.2x\n",
+        pr_info("TS-78xx FPGA: magic=0x%.6x, rev=0x%.2x\n",
                        (ts78xx_fpga.id >> 8) & 0xffffff,
                        ts78xx_fpga.id & 0xff);
@@ -494,7 +494,7 @@ static int ts78xx_fpga_unload(void)
         * UrJTAG SVN since r1381 can be used to reprogram the FPGA
         */
        if (ts78xx_fpga.id != fpga_id) {
-                printk(KERN_ERR "TS-78xx FPGA: magic/rev mismatch\n"
+                pr_err("TS-78xx FPGA: magic/rev mismatch\n"
                        "TS-78xx FPGA: was 0x%.6x/%.2x but now 0x%.6x/%.2x\n",
                        (ts78xx_fpga.id >> 8) & 0xffffff, ts78xx_fpga.id & 0xff,
                        (fpga_id >> 8) & 0xffffff, fpga_id & 0xff);
@@ -525,7 +525,7 @@ static ssize_t ts78xx_fpga_store(struct kobject *kobj,
        int value, ret;
        if (ts78xx_fpga.state < 0) {
-                printk(KERN_ERR "TS-78xx FPGA: borked, you must powercycle asap\n");
+                pr_err("TS-78xx FPGA: borked, you must powercycle asap\n");
                return -EBUSY;
        }
@@ -534,7 +534,7 @@ static ssize_t ts78xx_fpga_store(struct kobject *kobj,
        else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
                value = 0;
        else {
-                printk(KERN_ERR "ts78xx_fpga_store: Invalid value\n");
+                pr_err("ts78xx_fpga_store: Invalid value\n");
                return -EINVAL;
        }
@@ -616,7 +616,7 @@ static void __init ts78xx_init(void)
        ret = ts78xx_fpga_load();
        ret = sysfs_create_file(power_kobj, &ts78xx_fpga_attr.attr);
        if (ret)
-                printk(KERN_ERR "sysfs_create_file failed: %d\n", ret);
+                pr_err("sysfs_create_file failed: %d\n", ret);
 }
 MACHINE_START(TS78XX, "Technologic Systems TS-78xx SBC")
diff --git a/arch/arm/mach-pxa/am200epd.c b/arch/arm/mach-pxa/am200epd.c
index 3499fada73ae..4cb069fd9af2 100644
--- a/arch/arm/mach-pxa/am200epd.c
+++ b/arch/arm/mach-pxa/am200epd.c
@@ -128,8 +128,8 @@ static int am200_init_gpio_regs(struct metronomefb_par *par)
        return 0;
 err_req_gpio:
-        while (i > 0)
+        while (--i >= 0)
-                gpio_free(gpios[i--]);
+                gpio_free(gpios[i]);
        return err;
 }
@@ -194,7 +194,7 @@ static struct notifier_block am200_fb_notif = {
 };
 /* this gets called as part of our init. these steps must be done now so
- * that we can use set_pxa_fb_info */
+ * that we can use pxa_set_fb_info */
 static void __init am200_presetup_fb(void)
 {
        int fw;
@@ -249,7 +249,7 @@ static void __init am200_presetup_fb(void)
        /* we divide since we told the LCD controller we're 16bpp */
        am200_fb_info.modes->xres /= 2;
-        set_pxa_fb_info(&am200_fb_info);
+        pxa_set_fb_info(NULL, &am200_fb_info);
 }
diff --git a/arch/arm/mach-pxa/am300epd.c b/arch/arm/mach-pxa/am300epd.c
index 993d75e66390..fa8bad235d9f 100644
--- a/arch/arm/mach-pxa/am300epd.c
+++ b/arch/arm/mach-pxa/am300epd.c
@@ -125,10 +125,7 @@ static int am300_init_gpio_regs(struct broadsheetfb_par *par)
                if (err) {
                        dev_err(&am300_device->dev, "failed requesting "
                                "gpio %d, err=%d\n", i, err);
-                        while (i >= DB0_GPIO_PIN)
+                        goto err_req_gpio2;
-                                gpio_free(i--);
-                        i = ARRAY_SIZE(gpios) - 1;
-                        goto err_req_gpio;
                }
        }
@@ -159,9 +156,13 @@ static int am300_init_gpio_regs(struct broadsheetfb_par *par)
        return 0;
+err_req_gpio2:
+        while (--i >= DB0_GPIO_PIN)
+                gpio_free(i);
+        i = ARRAY_SIZE(gpios);
 err_req_gpio:
-        while (i > 0)
+        while (--i >= 0)
-                gpio_free(gpios[i--]);
+                gpio_free(gpios[i]);
        return err;
 }
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c
index 38dea05df7f8..bfbecec6d05f 100644
--- a/arch/arm/mach-pxa/balloon3.c
+++ b/arch/arm/mach-pxa/balloon3.c
@@ -263,7 +263,7 @@ static void __init balloon3_lcd_init(void)
        }
        balloon3_lcd_screen.pxafb_backlight_power = balloon3_backlight_power;
-        set_pxa_fb_info(&balloon3_lcd_screen);
+        pxa_set_fb_info(NULL, &balloon3_lcd_screen);
        return;
 err2:
diff --git a/arch/arm/mach-pxa/cm-x2xx.c b/arch/arm/mach-pxa/cm-x2xx.c
index b734d8468168..8225e2e58c6e 100644
--- a/arch/arm/mach-pxa/cm-x2xx.c
+++ b/arch/arm/mach-pxa/cm-x2xx.c
@@ -379,7 +379,7 @@ __setup("monitor=", cmx2xx_set_display);
 static void __init cmx2xx_init_display(void)
 {
-        set_pxa_fb_info(cmx2xx_display);
+        pxa_set_fb_info(NULL, cmx2xx_display);
 }
 #else
 static inline void cmx2xx_init_display(void) {}
diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c
index 06d0a03f462d..b2248e76ec8b 100644
--- a/arch/arm/mach-pxa/cm-x300.c
+++ b/arch/arm/mach-pxa/cm-x300.c
@@ -296,7 +296,7 @@ static struct pxafb_mach_info cm_x300_lcd = {
 static void __init cm_x300_init_lcd(void)
 {
-        set_pxa_fb_info(&cm_x300_lcd);
+        pxa_set_fb_info(NULL, &cm_x300_lcd);
 }
 #else
 static inline void cm_x300_init_lcd(void) {}
diff --git a/arch/arm/mach-pxa/colibri-pxa270-income.c b/arch/arm/mach-pxa/colibri-pxa270-income.c
index ee797397dc5b..44c1b77ece67 100644
--- a/arch/arm/mach-pxa/colibri-pxa270-income.c
+++ b/arch/arm/mach-pxa/colibri-pxa270-income.c
@@ -175,7 +175,7 @@ static struct pxafb_mach_info income_lcd_screen = {
 static void __init income_lcd_init(void)
 {
-        set_pxa_fb_info(&income_lcd_screen);
+        pxa_set_fb_info(NULL, &income_lcd_screen);
 }
 #else
 static inline void income_lcd_init(void) {}
diff --git a/arch/arm/mach-pxa/colibri-pxa3xx.c b/arch/arm/mach-pxa/colibri-pxa3xx.c
index 96b2d9fbfef0..3f9be419959d 100644
--- a/arch/arm/mach-pxa/colibri-pxa3xx.c
+++ b/arch/arm/mach-pxa/colibri-pxa3xx.c
@@ -105,7 +105,7 @@ void __init colibri_pxa3xx_init_lcd(int bl_pin)
        lcd_bl_pin = bl_pin;
        gpio_request(bl_pin, "lcd backlight");
        gpio_direction_output(bl_pin, 0);
-        set_pxa_fb_info(&sharp_lq43_info);
+        pxa_set_fb_info(NULL, &sharp_lq43_info);
 }
 #endif
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index d4e705caefea..3a5507e31919 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -462,7 +462,6 @@ static struct pxaficp_platform_data corgi_ficp_platform_data = {
 * USB Device Controller
 */
 static struct pxa2xx_udc_mach_info udc_info __initdata = {
-        .gpio_vbus              = -1,
        /* no connect GPIO; corgi can't tell connection status */
        .gpio_pullup            = CORGI_GPIO_USB_PULLUP,
 };
diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c
index c4bf08b3eb61..2e0425404de5 100644
--- a/arch/arm/mach-pxa/devices.c
+++ b/arch/arm/mach-pxa/devices.c
@@ -90,7 +90,6 @@ void __init pxa_set_mci_info(struct pxamci_platform_data *info)
 static struct pxa2xx_udc_mach_info pxa_udc_info = {
        .gpio_pullup = -1,
-        .gpio_vbus   = -1,
 };
 void __init pxa_set_udc_info(struct pxa2xx_udc_mach_info *info)
@@ -188,16 +187,12 @@ struct platform_device pxa_device_fb = {
        .resource       = pxafb_resources,
 };
-void __init set_pxa_fb_info(struct pxafb_mach_info *info)
+void __init pxa_set_fb_info(struct device *parent, struct pxafb_mach_info *info)
 {
+        pxa_device_fb.dev.parent = parent;
        pxa_register_device(&pxa_device_fb, info);
 }
-void __init set_pxa_fb_parent(struct device *parent_dev)
-{
-        pxa_device_fb.dev.parent = parent_dev;
-}
 static struct resource pxa_resource_ffuart[] = {
        {
                .start  = 0x40100000,
diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c
index b411d7cbf5a1..f8a6e9d79a3a 100644
--- a/arch/arm/mach-pxa/em-x270.c
+++ b/arch/arm/mach-pxa/em-x270.c
@@ -689,7 +689,7 @@ static struct pxafb_mach_info em_x270_lcd = {
 static void __init em_x270_init_lcd(void)
 {
-        set_pxa_fb_info(&em_x270_lcd);
+        pxa_set_fb_info(NULL, &em_x270_lcd);
 }
 #else
 static inline void em_x270_init_lcd(void) {}
diff --git a/arch/arm/mach-pxa/eseries.c b/arch/arm/mach-pxa/eseries.c
index edca0a043293..2e3970fdde0b 100644
--- a/arch/arm/mach-pxa/eseries.c
+++ b/arch/arm/mach-pxa/eseries.c
@@ -20,6 +20,7 @@
 #include <linux/mfd/t7l66xb.h>
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
+#include <linux/usb/gpio_vbus.h>
 #include <video/w100fb.h>
@@ -51,12 +52,20 @@ void __init eseries_fixup(struct machine_desc *desc,
                mi->bank[0].size = (64*1024*1024);
 }
-struct pxa2xx_udc_mach_info e7xx_udc_mach_info = {
+struct gpio_vbus_mach_info e7xx_udc_info = {
        .gpio_vbus   = GPIO_E7XX_USB_DISC,
        .gpio_pullup = GPIO_E7XX_USB_PULLUP,
        .gpio_pullup_inverted = 1
 };
+static struct platform_device e7xx_gpio_vbus = {
+        .name   = "gpio-vbus",
+        .id     = -1,
+        .dev    = {
+                .platform_data  = &e7xx_udc_info,
+        },
+};
 struct pxaficp_platform_data e7xx_ficp_platform_data = {
        .gpio_pwdown            = GPIO_E7XX_IR_OFF,
        .transceiver_cap        = IR_SIRMODE | IR_OFF,
@@ -165,6 +174,7 @@ static struct platform_device e330_tc6387xb_device = {
 static struct platform_device *e330_devices[] __initdata = {
        &e330_tc6387xb_device,
+        &e7xx_gpio_vbus,
 };
 static void __init e330_init(void)
@@ -175,7 +185,6 @@ static void __init e330_init(void)
        eseries_register_clks();
        eseries_get_tmio_gpios();
        platform_add_devices(ARRAY_AND_SIZE(e330_devices));
-        pxa_set_udc_info(&e7xx_udc_mach_info);
 }
 MACHINE_START(E330, "Toshiba e330")
@@ -214,6 +223,7 @@ static struct platform_device e350_t7l66xb_device = {
 static struct platform_device *e350_devices[] __initdata = {
        &e350_t7l66xb_device,
+        &e7xx_gpio_vbus,
 };
 static void __init e350_init(void)
@@ -224,7 +234,6 @@ static void __init e350_init(void)
        eseries_register_clks();
        eseries_get_tmio_gpios();
        platform_add_devices(ARRAY_AND_SIZE(e350_devices));
-        pxa_set_udc_info(&e7xx_udc_mach_info);
 }
 MACHINE_START(E350, "Toshiba e350")
@@ -333,6 +342,7 @@ static struct platform_device e400_t7l66xb_device = {
 static struct platform_device *e400_devices[] __initdata = {
        &e400_t7l66xb_device,
+        &e7xx_gpio_vbus,
 };
 static void __init e400_init(void)
@@ -344,9 +354,8 @@ static void __init e400_init(void)
        /* Fixme - e400 may have a switched clock */
        eseries_register_clks();
        eseries_get_tmio_gpios();
-        set_pxa_fb_info(&e400_pxafb_mach_info);
+        pxa_set_fb_info(NULL, &e400_pxafb_mach_info);
        platform_add_devices(ARRAY_AND_SIZE(e400_devices));
-        pxa_set_udc_info(&e7xx_udc_mach_info);
 }
 MACHINE_START(E400, "Toshiba e400")
@@ -519,6 +528,7 @@ static struct platform_device e740_t7l66xb_device = {
 static struct platform_device *e740_devices[] __initdata = {
        &e740_fb_device,
        &e740_t7l66xb_device,
+        &e7xx_gpio_vbus,
 };
 static void __init e740_init(void)
@@ -532,7 +542,6 @@ static void __init e740_init(void)
                        "UDCCLK", &pxa25x_device_udc.dev),
        eseries_get_tmio_gpios();
        platform_add_devices(ARRAY_AND_SIZE(e740_devices));
-        pxa_set_udc_info(&e7xx_udc_mach_info);
        pxa_set_ac97_info(NULL);
        pxa_set_ficp_info(&e7xx_ficp_platform_data);
 }
@@ -711,6 +720,7 @@ static struct platform_device e750_tc6393xb_device = {
 static struct platform_device *e750_devices[] __initdata = {
        &e750_fb_device,
        &e750_tc6393xb_device,
+        &e7xx_gpio_vbus,
 };
 static void __init e750_init(void)
@@ -723,7 +733,6 @@ static void __init e750_init(void)
                        "GPIO11_CLK", NULL),
        eseries_get_tmio_gpios();
        platform_add_devices(ARRAY_AND_SIZE(e750_devices));
-        pxa_set_udc_info(&e7xx_udc_mach_info);
        pxa_set_ac97_info(NULL);
        pxa_set_ficp_info(&e7xx_ficp_platform_data);
 }
@@ -873,12 +882,21 @@ static struct platform_device e800_fb_device = {
 /* --------------------------- UDC definitions --------------------------- */
-static struct pxa2xx_udc_mach_info e800_udc_mach_info = {
+static struct gpio_vbus_mach_info e800_udc_info = {
        .gpio_vbus   = GPIO_E800_USB_DISC,
        .gpio_pullup = GPIO_E800_USB_PULLUP,
        .gpio_pullup_inverted = 1
 };
+static struct platform_device e800_gpio_vbus = {
+        .name   = "gpio-vbus",
+        .id     = -1,
+        .dev    = {
+                .platform_data  = &e800_udc_info,
+        },
+};
 /* ----------------- e800 tc6393xb parameters ------------------ */
 static struct tc6393xb_platform_data e800_tc6393xb_info = {
@@ -907,6 +925,7 @@ static struct platform_device e800_tc6393xb_device = {
 static struct platform_device *e800_devices[] __initdata = {
        &e800_fb_device,
        &e800_tc6393xb_device,
+        &e800_gpio_vbus,
 };
 static void __init e800_init(void)
@@ -919,7 +938,6 @@ static void __init e800_init(void)
                        "GPIO11_CLK", NULL),
        eseries_get_tmio_gpios();
        platform_add_devices(ARRAY_AND_SIZE(e800_devices));
-        pxa_set_udc_info(&e800_udc_mach_info);
        pxa_set_ac97_info(NULL);
 }
diff --git a/arch/arm/mach-pxa/ezx.c b/arch/arm/mach-pxa/ezx.c
index 93f05e024313..d88aed8fbe15 100644
--- a/arch/arm/mach-pxa/ezx.c
+++ b/arch/arm/mach-pxa/ezx.c
@@ -783,7 +783,7 @@ static void __init a780_init(void)
        pxa_set_i2c_info(NULL);
-        set_pxa_fb_info(&ezx_fb_info_1);
+        pxa_set_fb_info(NULL, &ezx_fb_info_1);
        pxa_set_keypad_info(&a780_keypad_platform_data);
@@ -853,7 +853,7 @@ static void __init e680_init(void)
        pxa_set_i2c_info(NULL);
        i2c_register_board_info(0, ARRAY_AND_SIZE(e680_i2c_board_info));
-        set_pxa_fb_info(&ezx_fb_info_1);
+        pxa_set_fb_info(NULL, &ezx_fb_info_1);
        pxa_set_keypad_info(&e680_keypad_platform_data);
@@ -918,7 +918,7 @@ static void __init a1200_init(void)
        pxa_set_i2c_info(NULL);
        i2c_register_board_info(0, ARRAY_AND_SIZE(a1200_i2c_board_info));
-        set_pxa_fb_info(&ezx_fb_info_2);
+        pxa_set_fb_info(NULL, &ezx_fb_info_2);
        pxa_set_keypad_info(&a1200_keypad_platform_data);
@@ -1103,7 +1103,7 @@ static void __init a910_init(void)
        pxa_set_i2c_info(NULL);
        i2c_register_board_info(0, ARRAY_AND_SIZE(a910_i2c_board_info));
-        set_pxa_fb_info(&ezx_fb_info_2);
+        pxa_set_fb_info(NULL, &ezx_fb_info_2);
        pxa_set_keypad_info(&a910_keypad_platform_data);
@@ -1173,7 +1173,7 @@ static void __init e6_init(void)
        pxa_set_i2c_info(NULL);
        i2c_register_board_info(0, ARRAY_AND_SIZE(e6_i2c_board_info));
-        set_pxa_fb_info(&ezx_fb_info_2);
+        pxa_set_fb_info(NULL, &ezx_fb_info_2);
        pxa_set_keypad_info(&e6_keypad_platform_data);
@@ -1212,7 +1212,7 @@ static void __init e2_init(void)
        pxa_set_i2c_info(NULL);
        i2c_register_board_info(0, ARRAY_AND_SIZE(e2_i2c_board_info));
-        set_pxa_fb_info(&ezx_fb_info_2);
+        pxa_set_fb_info(NULL, &ezx_fb_info_2);
        pxa_set_keypad_info(&e2_keypad_platform_data);
diff --git a/arch/arm/mach-pxa/gumstix.c b/arch/arm/mach-pxa/gumstix.c
index 6fd319ea5284..d65e4bde9b91 100644
--- a/arch/arm/mach-pxa/gumstix.c
+++ b/arch/arm/mach-pxa/gumstix.c
@@ -26,6 +26,7 @@
 #include <linux/gpio.h>
 #include <linux/err.h>
 #include <linux/clk.h>
+#include <linux/usb/gpio_vbus.h>
 #include <asm/setup.h>
 #include <asm/memory.h>
@@ -106,14 +107,22 @@ static void __init gumstix_mmc_init(void)
 #endif
 #ifdef CONFIG_USB_GADGET_PXA25X
-static struct pxa2xx_udc_mach_info gumstix_udc_info __initdata = {
+static struct gpio_vbus_mach_info gumstix_udc_info = {
        .gpio_vbus              = GPIO_GUMSTIX_USB_GPIOn,
        .gpio_pullup            = GPIO_GUMSTIX_USB_GPIOx,
 };
+static struct platform_device gumstix_gpio_vbus = {
+        .name   = "gpio-vbus",
+        .id     = -1,
+        .dev    = {
+                .platform_data  = &gumstix_udc_info,
+        },
+};
 static void __init gumstix_udc_init(void)
 {
-        pxa_set_udc_info(&gumstix_udc_info);
+        platform_device_register(&gumstix_gpio_vbus);
 }
 #else
 static void gumstix_udc_init(void)
diff --git a/arch/arm/mach-pxa/idp.c b/arch/arm/mach-pxa/idp.c
index dd40e4a9291c..f7fb64f11a7d 100644
--- a/arch/arm/mach-pxa/idp.c
+++ b/arch/arm/mach-pxa/idp.c
@@ -167,7 +167,7 @@ static void __init idp_init(void)
        platform_device_register(&smc91x_device);
        //platform_device_register(&mst_audio_device);
-        set_pxa_fb_info(&sharp_lm8v31);
+        pxa_set_fb_info(NULL, &sharp_lm8v31);
        pxa_set_mci_info(&idp_mci_platform_data);
 }
diff --git a/arch/arm/mach-pxa/include/mach/palmz72.h b/arch/arm/mach-pxa/include/mach/palmz72.h
index 2bbcf70dd935..0d4700a79612 100644
--- a/arch/arm/mach-pxa/include/mach/palmz72.h
+++ b/arch/arm/mach-pxa/include/mach/palmz72.h
@@ -44,6 +44,11 @@
 #define GPIO_NR_PALMZ72_BT_POWER                17
 #define GPIO_NR_PALMZ72_BT_RESET                83
+/* Camera */
+#define GPIO_NR_PALMZ72_CAM_PWDN                56
+#define GPIO_NR_PALMZ72_CAM_RESET               57
+#define GPIO_NR_PALMZ72_CAM_POWER               91
 /** Initial values **/
 /* Battery */
diff --git a/arch/arm/mach-pxa/include/mach/pxafb.h b/arch/arm/mach-pxa/include/mach/pxafb.h
index 160ec83f51a6..01a45ac48114 100644
--- a/arch/arm/mach-pxa/include/mach/pxafb.h
+++ b/arch/arm/mach-pxa/include/mach/pxafb.h
@@ -154,8 +154,8 @@ struct pxafb_mach_info {
        void (*pxafb_lcd_power)(int, struct fb_var_screeninfo *);
        void (*smart_update)(struct fb_info *);
 };
-void set_pxa_fb_info(struct pxafb_mach_info *hard_pxa_fb_info);
-void set_pxa_fb_parent(struct device *parent_dev);
+void pxa_set_fb_info(struct device *, struct pxafb_mach_info *);
 unsigned long pxafb_get_hsync_time(struct device *dev);
 extern int pxafb_smart_queue(struct fb_info *info, uint16_t *cmds, int);
diff --git a/arch/arm/mach-pxa/include/mach/z2.h b/arch/arm/mach-pxa/include/mach/z2.h
index 8835c16bc82f..7b0f71ef3167 100644
--- a/arch/arm/mach-pxa/include/mach/z2.h
+++ b/arch/arm/mach-pxa/include/mach/z2.h
@@ -25,8 +25,7 @@
 #define GPIO98_ZIPITZ2_LID_BUTTON       98
 /* Libertas GSPI8686 WiFi */
-#define GPIO14_ZIPITZ2_WIFI_RESET       14
+#define GPIO14_ZIPITZ2_WIFI_POWER       14
-#define GPIO15_ZIPITZ2_WIFI_POWER       15
 #define GPIO24_ZIPITZ2_WIFI_CS          24
 #define GPIO36_ZIPITZ2_WIFI_IRQ         36
diff --git a/arch/arm/mach-pxa/littleton.c b/arch/arm/mach-pxa/littleton.c
index 87c1ed9ccd2f..e5e326d2cdc9 100644
--- a/arch/arm/mach-pxa/littleton.c
+++ b/arch/arm/mach-pxa/littleton.c
@@ -185,7 +185,7 @@ static struct pxafb_mach_info littleton_lcd_info = {
 static void littleton_init_lcd(void)
 {
-        set_pxa_fb_info(&littleton_lcd_info);
+        pxa_set_fb_info(NULL, &littleton_lcd_info);
 }
 #else
 static inline void littleton_init_lcd(void) {};
diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c
index 6307f70ae22a..f5de541725b1 100644
--- a/arch/arm/mach-pxa/lpd270.c
+++ b/arch/arm/mach-pxa/lpd270.c
@@ -480,7 +480,7 @@ static void __init lpd270_init(void)
        pxa_set_ac97_info(NULL);
        if (lpd270_lcd_to_use != NULL)
-                set_pxa_fb_info(lpd270_lcd_to_use);
+                pxa_set_fb_info(NULL, lpd270_lcd_to_use);
        pxa_set_ohci_info(&lpd270_ohci_platform_data);
 }
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index 0fea945dd6f2..3ede978c83d9 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -521,7 +521,7 @@ static void __init lubbock_init(void)
        clk_add_alias("SA1111_CLK", NULL, "GPIO11_CLK", NULL);
        pxa_set_udc_info(&udc_info);
-        set_pxa_fb_info(&sharp_lm8v31);
+        pxa_set_fb_info(NULL, &sharp_lm8v31);
        pxa_set_mci_info(&lubbock_mci_platform_data);
        pxa_set_ficp_info(&lubbock_ficp_platform_data);
        pxa_set_ac97_info(NULL);
diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index 5535991c4a3c..a72993dde2b3 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -757,7 +757,7 @@ static void __init magician_init(void)
                gpio_direction_output(GPIO104_MAGICIAN_LCD_POWER_1, 0);
                gpio_direction_output(GPIO105_MAGICIAN_LCD_POWER_2, 0);
                gpio_direction_output(GPIO106_MAGICIAN_LCD_POWER_3, 0);
-                set_pxa_fb_info(lcd_select ? &samsung_info : &toppoly_info);
+                pxa_set_fb_info(NULL, lcd_select ? &samsung_info : &toppoly_info);
        } else
                pr_err("LCD detection: CPLD mapping failed\n");
 }
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index 29b6e7a94e11..95163baca29e 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -592,7 +592,7 @@ static void __init mainstone_init(void)
        else
                mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;
-        set_pxa_fb_info(&mainstone_pxafb_info);
+        pxa_set_fb_info(NULL, &mainstone_pxafb_info);
        mainstone_backlight_register();
        pxa_set_mci_info(&mainstone_mci_platform_data);
diff --git a/arch/arm/mach-pxa/mioa701.c b/arch/arm/mach-pxa/mioa701.c
index 78d98a8607ec..dd13bb63259b 100644
--- a/arch/arm/mach-pxa/mioa701.c
+++ b/arch/arm/mach-pxa/mioa701.c
@@ -795,7 +795,7 @@ static void __init mioa701_machine_init(void)
        pxa_set_stuart_info(NULL);
        mio_gpio_request(ARRAY_AND_SIZE(global_gpios));
        bootstrap_init();
-        set_pxa_fb_info(&mioa701_pxafb_info);
+        pxa_set_fb_info(NULL, &mioa701_pxafb_info);
        pxa_set_mci_info(&mioa701_mci_info);
        pxa_set_keypad_info(&mioa701_keypad_info);
        pxa_set_udc_info(&mioa701_udc_info);
diff --git a/arch/arm/mach-pxa/palm27x.c b/arch/arm/mach-pxa/palm27x.c
index 72adb3ae2b43..325c245c0a0d 100644
--- a/arch/arm/mach-pxa/palm27x.c
+++ b/arch/arm/mach-pxa/palm27x.c
@@ -1,8 +1,7 @@
 /*
 * Common code for Palm LD, T5, TX, Z72
 *
- * Copyright (C) 2010
+ * Copyright (C) 2010-2011 Marek Vasut <marek.vasut@gmail.com>
- * Marek Vasut <marek.vasut@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
@@ -158,7 +157,7 @@ void __init palm27x_lcd_init(int power, struct pxafb_mode_info *mode)
                palm27x_lcd_screen.pxafb_lcd_power = palm27x_lcd_ctl;
        }
-        set_pxa_fb_info(&palm27x_lcd_screen);
+        pxa_set_fb_info(NULL, &palm27x_lcd_screen);
 }
 #endif
diff --git a/arch/arm/mach-pxa/palmtc.c b/arch/arm/mach-pxa/palmtc.c
index a09a2374697b..fb06bd047272 100644
--- a/arch/arm/mach-pxa/palmtc.c
+++ b/arch/arm/mach-pxa/palmtc.c
@@ -507,7 +507,7 @@ static struct pxafb_mach_info palmtc_lcd_screen = {
 static void __init palmtc_lcd_init(void)
 {
-        set_pxa_fb_info(&palmtc_lcd_screen);
+        pxa_set_fb_info(NULL, &palmtc_lcd_screen);
 }
 #else
 static inline void palmtc_lcd_init(void) {}
diff --git a/arch/arm/mach-pxa/palmte2.c b/arch/arm/mach-pxa/palmte2.c
index 3f25014a136c..726f5b98dcd3 100644
--- a/arch/arm/mach-pxa/palmte2.c
+++ b/arch/arm/mach-pxa/palmte2.c
@@ -136,30 +136,14 @@ static struct platform_device palmte2_pxa_keys = {
 /******************************************************************************
 * Backlight
 ******************************************************************************/
+static struct gpio palmte_bl_gpios[] = {
+        { GPIO_NR_PALMTE2_BL_POWER, GPIOF_INIT_LOW, "Backlight power" },
+        { GPIO_NR_PALMTE2_LCD_POWER, GPIOF_INIT_LOW, "LCD power" },
+};
 static int palmte2_backlight_init(struct device *dev)
 {
-        int ret;
+        return gpio_request_array(ARRAY_AND_SIZE(palmte_bl_gpios));
-        ret = gpio_request(GPIO_NR_PALMTE2_BL_POWER, "BL POWER");
-        if (ret)
-                goto err;
-        ret = gpio_direction_output(GPIO_NR_PALMTE2_BL_POWER, 0);
-        if (ret)
-                goto err2;
-        ret = gpio_request(GPIO_NR_PALMTE2_LCD_POWER, "LCD POWER");
-        if (ret)
-                goto err2;
-        ret = gpio_direction_output(GPIO_NR_PALMTE2_LCD_POWER, 0);
-        if (ret)
-                goto err3;
-        return 0;
-err3:
-        gpio_free(GPIO_NR_PALMTE2_LCD_POWER);
-err2:
-        gpio_free(GPIO_NR_PALMTE2_BL_POWER);
-err:
-        return ret;
 }
 static int palmte2_backlight_notify(struct device *dev, int brightness)
@@ -171,8 +155,7 @@ static int palmte2_backlight_notify(struct device *dev, int brightness)
 static void palmte2_backlight_exit(struct device *dev)
 {
-        gpio_free(GPIO_NR_PALMTE2_BL_POWER);
+        gpio_free_array(ARRAY_AND_SIZE(palmte_bl_gpios));
-        gpio_free(GPIO_NR_PALMTE2_LCD_POWER);
 }
 static struct platform_pwm_backlight_data palmte2_backlight_data = {
@@ -363,7 +346,7 @@ static void __init palmte2_init(void)
        pxa_set_btuart_info(NULL);
        pxa_set_stuart_info(NULL);
-        set_pxa_fb_info(&palmte2_lcd_screen);
+        pxa_set_fb_info(NULL, &palmte2_lcd_screen);
        pxa_set_mci_info(&palmte2_mci_platform_data);
        palmte2_udc_init();
        pxa_set_ac97_info(&palmte2_ac97_pdata);
diff --git a/arch/arm/mach-pxa/palmz72.c b/arch/arm/mach-pxa/palmz72.c
index 3010193b081e..3b8a4f37dbbe 100644
--- a/arch/arm/mach-pxa/palmz72.c
+++ b/arch/arm/mach-pxa/palmz72.c
@@ -30,6 +30,7 @@
 #include <linux/wm97xx.h>
 #include <linux/power_supply.h>
 #include <linux/usb/gpio_vbus.h>
+#include <linux/i2c-gpio.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -47,6 +48,9 @@
 #include <mach/palm27x.h>
 #include <mach/pm.h>
+#include <mach/camera.h>
+#include <media/soc_camera.h>
 #include "generic.h"
 #include "devices.h"
@@ -103,6 +107,28 @@ static unsigned long palmz72_pin_config[] __initdata = {
        GPIO22_GPIO,    /* LCD border color */
        GPIO96_GPIO,    /* lcd power */
+        /* PXA Camera */
+        GPIO81_CIF_DD_0,
+        GPIO48_CIF_DD_5,
+        GPIO50_CIF_DD_3,
+        GPIO51_CIF_DD_2,
+        GPIO52_CIF_DD_4,
+        GPIO53_CIF_MCLK,
+        GPIO54_CIF_PCLK,
+        GPIO55_CIF_DD_1,
+        GPIO84_CIF_FV,
+        GPIO85_CIF_LV,
+        GPIO93_CIF_DD_6,
+        GPIO108_CIF_DD_7,
+        GPIO56_GPIO,    /* OV9640 Powerdown */
+        GPIO57_GPIO,    /* OV9640 Reset */
+        GPIO91_GPIO,    /* OV9640 Power */
+        /* I2C */
+        GPIO117_GPIO,   /* I2C_SCL */
+        GPIO118_GPIO,   /* I2C_SDA */
        /* Misc. */
        GPIO0_GPIO      | WAKEUP_ON_LEVEL_HIGH, /* power detect */
        GPIO88_GPIO,                            /* green led */
@@ -254,6 +280,106 @@ device_initcall(palmz72_pm_init);
 #endif
 /******************************************************************************
+ * SoC Camera
+ ******************************************************************************/
+#if defined(CONFIG_SOC_CAMERA_OV9640) || \
+        defined(CONFIG_SOC_CAMERA_OV9640_MODULE)
+static struct pxacamera_platform_data palmz72_pxacamera_platform_data = {
+        .flags          = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
+                        PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
+        .mclk_10khz     = 2600,
+};
+/* Board I2C devices. */
+static struct i2c_board_info palmz72_i2c_device[] = {
+        {
+                I2C_BOARD_INFO("ov9640", 0x30),
+        }
+};
+static int palmz72_camera_power(struct device *dev, int power)
+{
+        gpio_set_value(GPIO_NR_PALMZ72_CAM_PWDN, !power);
+        mdelay(50);
+        return 0;
+}
+static int palmz72_camera_reset(struct device *dev)
+{
+        gpio_set_value(GPIO_NR_PALMZ72_CAM_RESET, 1);
+        mdelay(50);
+        gpio_set_value(GPIO_NR_PALMZ72_CAM_RESET, 0);
+        mdelay(50);
+        return 0;
+}
+static struct soc_camera_link palmz72_iclink = {
+        .bus_id         = 0, /* Match id in pxa27x_device_camera in device.c */
+        .board_info     = &palmz72_i2c_device[0],
+        .i2c_adapter_id = 0,
+        .module_name    = "ov96xx",
+        .power          = &palmz72_camera_power,
+        .reset          = &palmz72_camera_reset,
+        .flags          = SOCAM_DATAWIDTH_8,
+};
+static struct i2c_gpio_platform_data palmz72_i2c_bus_data = {
+        .sda_pin        = 118,
+        .scl_pin        = 117,
+        .udelay         = 10,
+        .timeout        = 100,
+};
+static struct platform_device palmz72_i2c_bus_device = {
+        .name           = "i2c-gpio",
+        .id             = 0, /* we use this as a replacement for i2c-pxa */
+        .dev            = {
+                .platform_data  = &palmz72_i2c_bus_data,
+        }
+};
+static struct platform_device palmz72_camera = {
+        .name   = "soc-camera-pdrv",
+        .id     = -1,
+        .dev    = {
+                .platform_data  = &palmz72_iclink,
+        },
+};
+/* Here we request the camera GPIOs and configure them. We power up the camera
+ * module, deassert the reset pin, but put it into powerdown (low to no power
+ * consumption) mode. This allows us to later bring the module up fast. */
+static struct gpio palmz72_camera_gpios[] = {
+        { GPIO_NR_PALMZ72_CAM_POWER,    GPIOF_INIT_HIGH,"Camera DVDD" },
+        { GPIO_NR_PALMZ72_CAM_RESET,    GPIOF_INIT_LOW, "Camera RESET" },
+        { GPIO_NR_PALMZ72_CAM_PWDN,     GPIOF_INIT_LOW, "Camera PWDN" },
+};
+static inline void __init palmz72_cam_gpio_init(void)
+{
+        int ret;
+        ret = gpio_request_array(ARRAY_AND_SIZE(palmz72_camera_gpios));
+        if (!ret)
+                gpio_free_array(ARRAY_AND_SIZE(palmz72_camera_gpios));
+        else
+                printk(KERN_ERR "Camera GPIO init failed!\n");
+        return;
+}
+static void __init palmz72_camera_init(void)
+{
+        palmz72_cam_gpio_init();
+        pxa_set_camera_info(&palmz72_pxacamera_platform_data);
+        platform_device_register(&palmz72_i2c_bus_device);
+        platform_device_register(&palmz72_camera);
+}
+#else
+static inline void palmz72_camera_init(void) {}
+#endif
+/******************************************************************************
 * Machine init
 ******************************************************************************/
 static void __init palmz72_init(void)
@@ -276,6 +402,7 @@ static void __init palmz72_init(void)
        palm27x_pmic_init();
        palmz72_kpc_init();
        palmz72_leds_init();
+        palmz72_camera_init();
 }
 MACHINE_START(PALMZ72, "Palm Zire72")
diff --git a/arch/arm/mach-pxa/pcm990-baseboard.c b/arch/arm/mach-pxa/pcm990-baseboard.c
index 4d0120540124..6d5b7e062124 100644
--- a/arch/arm/mach-pxa/pcm990-baseboard.c
+++ b/arch/arm/mach-pxa/pcm990-baseboard.c
@@ -515,7 +515,7 @@ void __init pcm990_baseboard_init(void)
        pcm990_init_irq();
 #ifndef CONFIG_PCM990_DISPLAY_NONE
-        set_pxa_fb_info(&pcm990_fbinfo);
+        pxa_set_fb_info(NULL, &pcm990_fbinfo);
 #endif
        platform_device_register(&pcm990_backlight_device);
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index 35353af345d5..16d14fd79b4b 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -445,8 +445,7 @@ static void __init poodle_init(void)
        if (ret)
                pr_warning("poodle: Unable to register LoCoMo device\n");
-        set_pxa_fb_parent(&poodle_locomo_device.dev);
+        pxa_set_fb_info(&poodle_locomo_device.dev, &poodle_fb_info);
-        set_pxa_fb_info(&poodle_fb_info);
        pxa_set_udc_info(&udc_info);
        pxa_set_mci_info(&poodle_mci_platform_data);
        pxa_set_ficp_info(&poodle_ficp_platform_data);
diff --git a/arch/arm/mach-pxa/raumfeld.c b/arch/arm/mach-pxa/raumfeld.c
index 47094188e029..cd1861351f75 100644
--- a/arch/arm/mach-pxa/raumfeld.c
+++ b/arch/arm/mach-pxa/raumfeld.c
@@ -597,7 +597,7 @@ static void __init raumfeld_lcd_init(void)
 {
        int ret;
-        set_pxa_fb_info(&raumfeld_sharp_lcd_info);
+        pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
        /* Earlier devices had the backlight regulator controlled
         * via PWM, later versions use another controller for that */
diff --git a/arch/arm/mach-pxa/saar.c b/arch/arm/mach-pxa/saar.c
index eb83c89428ef..fee97a935122 100644
--- a/arch/arm/mach-pxa/saar.c
+++ b/arch/arm/mach-pxa/saar.c
@@ -473,7 +473,7 @@ static struct pxafb_mach_info saar_lcd_info = {
 static void __init saar_init_lcd(void)
 {
-        set_pxa_fb_info(&saar_lcd_info);
+        pxa_set_fb_info(NULL, &saar_lcd_info);
 }
 #else
 static inline void saar_init_lcd(void) {}
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 38e2c0912b9a..01c576963e94 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -724,7 +724,7 @@ static struct pxafb_mach_info spitz_pxafb_info = {
 static void __init spitz_lcd_init(void)
 {
-        set_pxa_fb_info(&spitz_pxafb_info);
+        pxa_set_fb_info(NULL, &spitz_pxafb_info);
 }
 #else
 static inline void spitz_lcd_init(void) {}
diff --git a/arch/arm/mach-pxa/tavorevb.c b/arch/arm/mach-pxa/tavorevb.c
index 9cecf8366db8..53d4a472b699 100644
--- a/arch/arm/mach-pxa/tavorevb.c
+++ b/arch/arm/mach-pxa/tavorevb.c
@@ -466,7 +466,7 @@ static void __init tavorevb_init_lcd(void)
 {
        platform_device_register(&tavorevb_backlight_devices[0]);
        platform_device_register(&tavorevb_backlight_devices[1]);
-        set_pxa_fb_info(&tavorevb_lcd_info);
+        pxa_set_fb_info(NULL, &tavorevb_lcd_info);
 }
 #else
 static inline void tavorevb_init_lcd(void) {}
diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c
index e7f64d9b4f2d..428da3ff33a5 100644
--- a/arch/arm/mach-pxa/time.c
+++ b/arch/arm/mach-pxa/time.c
@@ -100,7 +100,6 @@ pxa_osmr0_set_mode(enum clock_event_mode mode, struct clock_event_device *dev)
 static struct clock_event_device ckevt_pxa_osmr0 = {
        .name           = "osmr0",
        .features       = CLOCK_EVT_FEAT_ONESHOT,
-        .shift          = 32,
        .rating         = 200,
        .set_next_event = pxa_osmr0_set_next_event,
        .set_mode       = pxa_osmr0_set_mode,
@@ -135,8 +134,8 @@ static void __init pxa_timer_init(void)
        init_sched_clock(&cd, pxa_update_sched_clock, 32, clock_tick_rate);
-        ckevt_pxa_osmr0.mult =
+        clocksource_calc_mult_shift(&cksrc_pxa_oscr0, clock_tick_rate, 4);
-                div_sc(clock_tick_rate, NSEC_PER_SEC, ckevt_pxa_osmr0.shift);
+        clockevents_calc_mult_shift(&ckevt_pxa_osmr0, clock_tick_rate, 4);
        ckevt_pxa_osmr0.max_delta_ns =
                clockevent_delta2ns(0x7fffffff, &ckevt_pxa_osmr0);
        ckevt_pxa_osmr0.min_delta_ns =
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index 5ad3807af334..5fa145778e7d 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -35,6 +35,7 @@
 #include <linux/spi/pxa2xx_spi.h>
 #include <linux/input/matrix_keypad.h>
 #include <linux/i2c/pxa-i2c.h>
+#include <linux/usb/gpio_vbus.h>
 #include <asm/setup.h>
 #include <asm/mach-types.h>
@@ -240,12 +241,20 @@ static struct scoop_pcmcia_config tosa_pcmcia_config = {
 /*
 * USB Device Controller
 */
-static struct pxa2xx_udc_mach_info udc_info __initdata = {
+static struct gpio_vbus_mach_info tosa_udc_info = {
        .gpio_pullup            = TOSA_GPIO_USB_PULLUP,
        .gpio_vbus              = TOSA_GPIO_USB_IN,
        .gpio_vbus_inverted     = 1,
 };
+static struct platform_device tosa_gpio_vbus = {
+        .name   = "gpio-vbus",
+        .id     = -1,
+        .dev    = {
+                .platform_data  = &tosa_udc_info,
+        },
+};
 /*
 * MMC/SD Device
 */
@@ -891,6 +900,7 @@ static struct platform_device *devices[] __initdata = {
        &tosa_bt_device,
        &sharpsl_rom_device,
        &wm9712_device,
+        &tosa_gpio_vbus,
 };
 static void tosa_poweroff(void)
@@ -937,7 +947,6 @@ static void __init tosa_init(void)
        dummy = gpiochip_reserve(TOSA_TC6393XB_GPIO_BASE, 16);
        pxa_set_mci_info(&tosa_mci_platform_data);
-        pxa_set_udc_info(&udc_info);
        pxa_set_ficp_info(&tosa_ficp_platform_data);
        pxa_set_i2c_info(NULL);
        pxa_set_ac97_info(NULL);
diff --git a/arch/arm/mach-pxa/trizeps4.c b/arch/arm/mach-pxa/trizeps4.c
index 857bb2e63486..b9cfbebdfe9c 100644
--- a/arch/arm/mach-pxa/trizeps4.c
+++ b/arch/arm/mach-pxa/trizeps4.c
@@ -516,9 +516,9 @@ static void __init trizeps4_init(void)
        pxa_set_stuart_info(NULL);
        if (0)  /* dont know how to determine LCD */
-                set_pxa_fb_info(&sharp_lcd);
+                pxa_set_fb_info(NULL, &sharp_lcd);
        else
-                set_pxa_fb_info(&toshiba_lcd);
+                pxa_set_fb_info(NULL, &toshiba_lcd);
        pxa_set_mci_info(&trizeps4_mci_platform_data);
 #ifndef STATUS_LEDS_ON_STUART_PINS
diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c
index aa70331c0805..b523f119e0f0 100644
--- a/arch/arm/mach-pxa/viper.c
+++ b/arch/arm/mach-pxa/viper.c
@@ -932,7 +932,7 @@ static void __init viper_init(void)
        /* Wake-up serial console */
        viper_init_serial_gpio();
-        set_pxa_fb_info(&fb_info);
+        pxa_set_fb_info(NULL, &fb_info);
        /* v1 hardware cannot use the datacs line */
        version = viper_hw_version();
diff --git a/arch/arm/mach-pxa/vpac270.c b/arch/arm/mach-pxa/vpac270.c
index e709fd459268..f71d377c8640 100644
--- a/arch/arm/mach-pxa/vpac270.c
+++ b/arch/arm/mach-pxa/vpac270.c
@@ -572,7 +572,7 @@ static void __init vpac270_lcd_init(void)
        }
        vpac270_lcd_screen.pxafb_lcd_power = vpac270_lcd_power;
-        set_pxa_fb_info(&vpac270_lcd_screen);
+        pxa_set_fb_info(NULL, &vpac270_lcd_screen);
        return;
 err2:
diff --git a/arch/arm/mach-pxa/z2.c b/arch/arm/mach-pxa/z2.c
index aaf883754ef4..fbe9e02e2f9f 100644
--- a/arch/arm/mach-pxa/z2.c
+++ b/arch/arm/mach-pxa/z2.c
@@ -91,13 +91,13 @@ static unsigned long z2_pin_config[] = {
        GPIO47_STUART_TXD,
        /* Keypad */
-        GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
+        GPIO100_KP_MKIN_0,
-        GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
+        GPIO101_KP_MKIN_1,
-        GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
+        GPIO102_KP_MKIN_2,
-        GPIO34_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
+        GPIO34_KP_MKIN_3,
-        GPIO38_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
+        GPIO38_KP_MKIN_4,
-        GPIO16_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
+        GPIO16_KP_MKIN_5,
-        GPIO17_KP_MKIN_6        | WAKEUP_ON_LEVEL_HIGH,
+        GPIO17_KP_MKIN_6,
        GPIO103_KP_MKOUT_0,
        GPIO104_KP_MKOUT_1,
        GPIO105_KP_MKOUT_2,
@@ -138,8 +138,7 @@ static unsigned long z2_pin_config[] = {
        GPIO1_GPIO,             /* Power button */
        GPIO37_GPIO,            /* Headphone detect */
        GPIO98_GPIO,            /* Lid switch */
-        GPIO14_GPIO,            /* WiFi Reset */
+        GPIO14_GPIO,            /* WiFi Power */
-        GPIO15_GPIO,            /* WiFi Power */
        GPIO24_GPIO,            /* WiFi CS */
        GPIO36_GPIO,            /* WiFi IRQ */
        GPIO88_GPIO,            /* LCD CS */
@@ -204,7 +203,7 @@ static struct platform_pwm_backlight_data z2_backlight_data[] = {
                /* Keypad Backlight */
                .pwm_id         = 1,
                .max_brightness = 1023,
-                .dft_brightness = 512,
+                .dft_brightness = 0,
                .pwm_period_ns  = 1260320,
        },
        [1] = {
@@ -271,7 +270,7 @@ static struct pxafb_mach_info z2_lcd_screen = {
 static void __init z2_lcd_init(void)
 {
-        set_pxa_fb_info(&z2_lcd_screen);
+        pxa_set_fb_info(NULL, &z2_lcd_screen);
 }
 #else
 static inline void z2_lcd_init(void) {}
@@ -309,12 +308,12 @@ struct gpio_led z2_gpio_leds[] = {
        .active_low             = 1,
 }, {
        .name                   = "z2:green:charged",
-        .default_trigger        = "none",
+        .default_trigger        = "mmc0",
        .gpio                   = GPIO85_ZIPITZ2_LED_CHARGED,
        .active_low             = 1,
 }, {
        .name                   = "z2:amber:charging",
-        .default_trigger        = "none",
+        .default_trigger        = "Z2-charging-or-full",
        .gpio                   = GPIO83_ZIPITZ2_LED_CHARGING,
        .active_low             = 1,
 },
@@ -427,8 +426,22 @@ static inline void z2_mkp_init(void) {}
 ******************************************************************************/
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 static struct gpio_keys_button z2_pxa_buttons[] = {
-        {KEY_POWER, GPIO1_ZIPITZ2_POWER_BUTTON, 0, "Power Button" },
+        {
-        {KEY_CLOSE, GPIO98_ZIPITZ2_LID_BUTTON, 0, "Lid Button" },
+                .code           = KEY_POWER,
+                .gpio           = GPIO1_ZIPITZ2_POWER_BUTTON,
+                .active_low     = 0,
+                .desc           = "Power Button",
+                .wakeup         = 1,
+                .type           = EV_KEY,
+        },
+        {
+                .code           = SW_LID,
+                .gpio           = GPIO98_ZIPITZ2_LID_BUTTON,
+                .active_low     = 1,
+                .desc           = "Lid Switch",
+                .wakeup         = 0,
+                .type           = EV_SW,
+        },
 };
 static struct gpio_keys_platform_data z2_pxa_keys_data = {
@@ -461,9 +474,9 @@ static struct z2_battery_info batt_chip_info = {
        .batt_I2C_addr  = 0x55,
        .batt_I2C_reg   = 2,
        .charge_gpio    = GPIO0_ZIPITZ2_AC_DETECT,
-        .min_voltage    = 2400000,
+        .min_voltage    = 3475000,
-        .max_voltage    = 3700000,
+        .max_voltage    = 4190000,
-        .batt_div       = 69,
+        .batt_div       = 59,
        .batt_mult      = 1000000,
        .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LION,
        .batt_name      = "Z2",
@@ -497,26 +510,16 @@ static int z2_lbs_spi_setup(struct spi_device *spi)
 {
        int ret = 0;
-        ret = gpio_request(GPIO15_ZIPITZ2_WIFI_POWER, "WiFi Power");
+        ret = gpio_request(GPIO14_ZIPITZ2_WIFI_POWER, "WiFi Power");
        if (ret)
                goto err;
-        ret = gpio_direction_output(GPIO15_ZIPITZ2_WIFI_POWER, 1);
+        ret = gpio_direction_output(GPIO14_ZIPITZ2_WIFI_POWER, 1);
        if (ret)
                goto err2;
-        ret = gpio_request(GPIO14_ZIPITZ2_WIFI_RESET, "WiFi Reset");
+        /* Wait until card is powered on */
-        if (ret)
-                goto err2;
-        ret = gpio_direction_output(GPIO14_ZIPITZ2_WIFI_RESET, 0);
-        if (ret)
-                goto err3;
-        /* Reset the card */
        mdelay(180);
-        gpio_set_value(GPIO14_ZIPITZ2_WIFI_RESET, 1);
-        mdelay(20);
        spi->bits_per_word = 16;
        spi->mode = SPI_MODE_2,
@@ -525,22 +528,18 @@ static int z2_lbs_spi_setup(struct spi_device *spi)
        return 0;
-err3:
-        gpio_free(GPIO14_ZIPITZ2_WIFI_RESET);
 err2:
-        gpio_free(GPIO15_ZIPITZ2_WIFI_POWER);
+        gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
 err:
        return ret;
 };
 static int z2_lbs_spi_teardown(struct spi_device *spi)
 {
-        gpio_set_value(GPIO14_ZIPITZ2_WIFI_RESET, 0);
+        gpio_set_value(GPIO14_ZIPITZ2_WIFI_POWER, 0);
-        gpio_set_value(GPIO15_ZIPITZ2_WIFI_POWER, 0);
+        gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
-        gpio_free(GPIO14_ZIPITZ2_WIFI_RESET);
-        gpio_free(GPIO15_ZIPITZ2_WIFI_POWER);
-        return 0;
+        return 0;
 };
 static struct pxa2xx_spi_chip z2_lbs_chip_info = {
diff --git a/arch/arm/mach-pxa/zeus.c b/arch/arm/mach-pxa/zeus.c
index 139aa7f2ed90..00363c7ac182 100644
--- a/arch/arm/mach-pxa/zeus.c
+++ b/arch/arm/mach-pxa/zeus.c
@@ -847,7 +847,7 @@ static void __init zeus_init(void)
        if (zeus_setup_fb_gpios())
                pr_err("Failed to setup fb gpios\n");
        else
-                set_pxa_fb_info(&zeus_fb_info);
+                pxa_set_fb_info(NULL, &zeus_fb_info);
        pxa_set_mci_info(&zeus_mci_platform_data);
        pxa_set_udc_info(&zeus_udc_info);
diff --git a/arch/arm/mach-pxa/zylonite.c b/arch/arm/mach-pxa/zylonite.c
index a4c784aab764..5821185f77ab 100644
--- a/arch/arm/mach-pxa/zylonite.c
+++ b/arch/arm/mach-pxa/zylonite.c
@@ -208,7 +208,7 @@ static void __init zylonite_init_lcd(void)
        platform_device_register(&zylonite_backlight_device);
        if (lcd_id & 0x20) {
-                set_pxa_fb_info(&zylonite_sharp_lcd_info);
+                pxa_set_fb_info(NULL, &zylonite_sharp_lcd_info);
                return;
        }
@@ -220,7 +220,7 @@ static void __init zylonite_init_lcd(void)
        else
                zylonite_toshiba_lcd_info.modes = &toshiba_ltm04c380k_mode;
-        set_pxa_fb_info(&zylonite_toshiba_lcd_info);
+        pxa_set_fb_info(NULL, &zylonite_toshiba_lcd_info);
 }
 #else
 static inline void zylonite_init_lcd(void) {}
diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c
index 2ecc1d94284e..10e75faba4c9 100644
--- a/arch/arm/mach-realview/realview_eb.c
+++ b/arch/arm/mach-realview/realview_eb.c
@@ -348,7 +348,7 @@ static void __init gic_init_irq(void)
 #ifndef CONFIG_REALVIEW_EB_ARM11MP_REVB
                /* board GIC, secondary */
-                gic_init(1, 64, __io_address(REALVIEW_EB_GIC_DIST_BASE),
+                gic_init(1, 96, __io_address(REALVIEW_EB_GIC_DIST_BASE),
                         __io_address(REALVIEW_EB_GIC_CPU_BASE));
                gic_cascade_irq(1, IRQ_EB11MP_EB_IRQ1);
 #endif
diff --git a/arch/arm/plat-mxc/devices/platform-fec.c b/arch/arm/plat-mxc/devices/platform-fec.c
index 6561c9df5f0d..ccc789e21daa 100644
--- a/arch/arm/plat-mxc/devices/platform-fec.c
+++ b/arch/arm/plat-mxc/devices/platform-fec.c
@@ -53,7 +53,7 @@ struct platform_device *__init imx_add_fec(
        struct resource res[] = {
                {
                        .start = data->iobase,
-                        .end = data->iobase + SZ_4K,
+                        .end = data->iobase + SZ_4K - 1,
                        .flags = IORESOURCE_MEM,
                }, {
                        .start = data->irq,
diff --git a/arch/arm/plat-mxc/devices/platform-imxdi_rtc.c b/arch/arm/plat-mxc/devices/platform-imxdi_rtc.c
index 10653cc8d1fa..805336fdc252 100644
--- a/arch/arm/plat-mxc/devices/platform-imxdi_rtc.c
+++ b/arch/arm/plat-mxc/devices/platform-imxdi_rtc.c
@@ -27,7 +27,7 @@ struct platform_device *__init imx_add_imxdi_rtc(
        struct resource res[] = {
                {
                        .start = data->iobase,
-                        .end = data->iobase + SZ_16K,
+                        .end = data->iobase + SZ_16K - 1,
                        .flags = IORESOURCE_MEM,
                }, {
                        .start = data->irq,
diff --git a/arch/arm/plat-mxc/include/mach/audmux.h b/arch/arm/plat-mxc/include/mach/audmux.h
index 5cd6466964af..6fda788ed0e9 100644
--- a/arch/arm/plat-mxc/include/mach/audmux.h
+++ b/arch/arm/plat-mxc/include/mach/audmux.h
@@ -15,6 +15,14 @@
 #define MX31_AUDMUX_PORT5_SSI_PINS_5    4
 #define MX31_AUDMUX_PORT6_SSI_PINS_6    5
+#define MX51_AUDMUX_PORT1_SSI0          0
+#define MX51_AUDMUX_PORT2_SSI1          1
+#define MX51_AUDMUX_PORT3               2
+#define MX51_AUDMUX_PORT4               3
+#define MX51_AUDMUX_PORT5               4
+#define MX51_AUDMUX_PORT6               5
+#define MX51_AUDMUX_PORT7               6
 /* Register definitions for the i.MX21/27 Digital Audio Multiplexer */
 #define MXC_AUDMUX_V1_PCR_INMMASK(x)    ((x) & 0xff)
 #define MXC_AUDMUX_V1_PCR_INMEN         (1 << 8)
@@ -28,7 +36,7 @@
 #define MXC_AUDMUX_V1_PCR_TCLKDIR       (1 << 30)
 #define MXC_AUDMUX_V1_PCR_TFSDIR        (1 << 31)
-/* Register definitions for the i.MX25/31/35 Digital Audio Multiplexer */
+/* Register definitions for the i.MX25/31/35/51 Digital Audio Multiplexer */
 #define MXC_AUDMUX_V2_PTCR_TFSDIR       (1 << 31)
 #define MXC_AUDMUX_V2_PTCR_TFSEL(x)     (((x) & 0xf) << 27)
 #define MXC_AUDMUX_V2_PTCR_TCLKDIR      (1 << 26)
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx2x.h b/arch/arm/plat-mxc/include/mach/iomux-mx2x.h
index c4f116d214f2..7a9b20abda09 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx2x.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx2x.h
@@ -90,12 +90,12 @@
 #define PC31_PF_SSI3_CLK        (GPIO_PORTC | GPIO_PF | GPIO_IN | 31)
 #define PD17_PF_I2C_DATA        (GPIO_PORTD | GPIO_PF | GPIO_OUT | 17)
 #define PD18_PF_I2C_CLK         (GPIO_PORTD | GPIO_PF | GPIO_OUT | 18)
-#define PD19_PF_CSPI2_SS2       (GPIO_PORTD | GPIO_PF | 19)
+#define PD19_PF_CSPI2_SS2       (GPIO_PORTD | GPIO_PF | GPIO_OUT | 19)
-#define PD20_PF_CSPI2_SS1       (GPIO_PORTD | GPIO_PF | 20)
+#define PD20_PF_CSPI2_SS1       (GPIO_PORTD | GPIO_PF | GPIO_OUT | 20)
-#define PD21_PF_CSPI2_SS0       (GPIO_PORTD | GPIO_PF | 21)
+#define PD21_PF_CSPI2_SS0       (GPIO_PORTD | GPIO_PF | GPIO_OUT | 21)
-#define PD22_PF_CSPI2_SCLK      (GPIO_PORTD | GPIO_PF | 22)
+#define PD22_PF_CSPI2_SCLK      (GPIO_PORTD | GPIO_PF | GPIO_OUT | 22)
-#define PD23_PF_CSPI2_MISO      (GPIO_PORTD | GPIO_PF | 23)
+#define PD23_PF_CSPI2_MISO      (GPIO_PORTD | GPIO_PF | GPIO_IN | 23)
-#define PD24_PF_CSPI2_MOSI      (GPIO_PORTD | GPIO_PF | 24)
+#define PD24_PF_CSPI2_MOSI      (GPIO_PORTD | GPIO_PF | GPIO_OUT | 24)
 #define PD25_PF_CSPI1_RDY       (GPIO_PORTD | GPIO_PF | GPIO_OUT | 25)
 #define PD26_PF_CSPI1_SS2       (GPIO_PORTD | GPIO_PF | GPIO_OUT | 26)
 #define PD27_PF_CSPI1_SS1       (GPIO_PORTD | GPIO_PF | GPIO_OUT | 27)
diff --git a/arch/arm/plat-mxc/include/mach/mx50.h b/arch/arm/plat-mxc/include/mach/mx50.h
index aaec2a6e7b3a..5f2da75a47f4 100644
--- a/arch/arm/plat-mxc/include/mach/mx50.h
+++ b/arch/arm/plat-mxc/include/mach/mx50.h
@@ -282,4 +282,8 @@
 #define MX50_INT_APBHDMA_CHAN6  116
 #define MX50_INT_APBHDMA_CHAN7  117
+#if !defined(__ASSEMBLY__) && !defined(__MXC_BOOT_UNCOMPRESS)
+extern int mx50_revision(void);
+#endif
 #endif /* ifndef __MACH_MX50_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/mx51.h b/arch/arm/plat-mxc/include/mach/mx51.h
index 1eb339e6c857..dede19a766ff 100644
--- a/arch/arm/plat-mxc/include/mach/mx51.h
+++ b/arch/arm/plat-mxc/include/mach/mx51.h
@@ -347,6 +347,7 @@
 #if !defined(__ASSEMBLY__) && !defined(__MXC_BOOT_UNCOMPRESS)
 extern int mx51_revision(void);
+extern void mx51_display_revision(void);
 #endif
 /* tape-out 1 defines */
diff --git a/arch/arm/plat-mxc/include/mach/mxc.h b/arch/arm/plat-mxc/include/mach/mxc.h
index 7e072637eefa..1aea818d9d31 100644
--- a/arch/arm/plat-mxc/include/mach/mxc.h
+++ b/arch/arm/plat-mxc/include/mach/mxc.h
@@ -51,6 +51,20 @@
 #define IMX_CHIP_REVISION_3_3           0x33
 #define IMX_CHIP_REVISION_UNKNOWN       0xff
+#define IMX_CHIP_REVISION_1_0_STRING            "1.0"
+#define IMX_CHIP_REVISION_1_1_STRING            "1.1"
+#define IMX_CHIP_REVISION_1_2_STRING            "1.2"
+#define IMX_CHIP_REVISION_1_3_STRING            "1.3"
+#define IMX_CHIP_REVISION_2_0_STRING            "2.0"
+#define IMX_CHIP_REVISION_2_1_STRING            "2.1"
+#define IMX_CHIP_REVISION_2_2_STRING            "2.2"
+#define IMX_CHIP_REVISION_2_3_STRING            "2.3"
+#define IMX_CHIP_REVISION_3_0_STRING            "3.0"
+#define IMX_CHIP_REVISION_3_1_STRING            "3.1"
+#define IMX_CHIP_REVISION_3_2_STRING            "3.2"
+#define IMX_CHIP_REVISION_3_3_STRING            "3.3"
+#define IMX_CHIP_REVISION_UNKNOWN_STRING        "unknown"
 #ifndef __ASSEMBLY__
 extern unsigned int __mxc_cpu_type;
 #endif
@@ -181,6 +195,15 @@ struct cpu_op {
        u32 cpu_rate;
 };
+int tzic_enable_wake(int is_idle);
+enum mxc_cpu_pwr_mode {
+        WAIT_CLOCKED,           /* wfi only */
+        WAIT_UNCLOCKED,         /* WAIT */
+        WAIT_UNCLOCKED_POWER_OFF,       /* WAIT + SRPG */
+        STOP_POWER_ON,          /* just STOP */
+        STOP_POWER_OFF,         /* STOP + SRPG */
+};
 extern struct cpu_op *(*get_cpu_op)(int *op);
 #endif
diff --git a/arch/arm/plat-mxc/include/mach/system.h b/arch/arm/plat-mxc/include/mach/system.h
index 95be51bfe9a9..0417da9f710d 100644
--- a/arch/arm/plat-mxc/include/mach/system.h
+++ b/arch/arm/plat-mxc/include/mach/system.h
@@ -20,6 +20,8 @@
 #include <mach/hardware.h>
 #include <mach/common.h>
+extern void mx5_cpu_lp_set(enum mxc_cpu_pwr_mode mode);
 static inline void arch_idle(void)
 {
 #ifdef CONFIG_ARCH_MXC91231
@@ -54,7 +56,9 @@ static inline void arch_idle(void)
                        "orr %0, %0, #0x00000004\n"
                        "mcr p15, 0, %0, c1, c0, 0\n"
                        : "=r" (reg));
-        } else
+        } else if (cpu_is_mx51())
+                mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF);
+        else
                cpu_do_idle();
 }
diff --git a/arch/arm/plat-mxc/time.c b/arch/arm/plat-mxc/time.c
index 9f0c2610595e..2237ff8b434f 100644
--- a/arch/arm/plat-mxc/time.c
+++ b/arch/arm/plat-mxc/time.c
@@ -27,6 +27,7 @@
 #include <linux/clk.h>
 #include <mach/hardware.h>
+#include <asm/sched_clock.h>
 #include <asm/mach/time.h>
 #include <mach/common.h>
@@ -105,6 +106,11 @@ static void gpt_irq_acknowledge(void)
                __raw_writel(V2_TSTAT_OF1, timer_base + V2_TSTAT);
 }
+static cycle_t dummy_get_cycles(struct clocksource *cs)
+{
+        return 0;
+}
 static cycle_t mx1_2_get_cycles(struct clocksource *cs)
 {
        return __raw_readl(timer_base + MX1_2_TCN);
@@ -118,18 +124,35 @@ static cycle_t v2_get_cycles(struct clocksource *cs)
 static struct clocksource clocksource_mxc = {
        .name           = "mxc_timer1",
        .rating         = 200,
-        .read           = mx1_2_get_cycles,
+        .read           = dummy_get_cycles,
        .mask           = CLOCKSOURCE_MASK(32),
        .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
 };
+static DEFINE_CLOCK_DATA(cd);
+unsigned long long notrace sched_clock(void)
+{
+        cycle_t cyc = clocksource_mxc.read(&clocksource_mxc);
+        return cyc_to_sched_clock(&cd, cyc, (u32)~0);
+}
+static void notrace mxc_update_sched_clock(void)
+{
+        cycle_t cyc = clocksource_mxc.read(&clocksource_mxc);
+        update_sched_clock(&cd, cyc, (u32)~0);
+}
 static int __init mxc_clocksource_init(struct clk *timer_clk)
 {
        unsigned int c = clk_get_rate(timer_clk);
        if (timer_is_v2())
                clocksource_mxc.read = v2_get_cycles;
+        else
+                clocksource_mxc.read = mx1_2_get_cycles;
+        init_sched_clock(&cd, mxc_update_sched_clock, 32, c);
        clocksource_register_hz(&clocksource_mxc, c);
        return 0;
diff --git a/drivers/ata/pata_palmld.c b/drivers/ata/pata_palmld.c
index a2a73d953840..b86d7e22595e 100644
--- a/drivers/ata/pata_palmld.c
+++ b/drivers/ata/pata_palmld.c
@@ -33,6 +33,11 @@
 #define DRV_NAME "pata_palmld"
+static struct gpio palmld_hdd_gpios[] = {
+        { GPIO_NR_PALMLD_IDE_PWEN,      GPIOF_INIT_HIGH,        "HDD Power" },
+        { GPIO_NR_PALMLD_IDE_RESET,     GPIOF_INIT_LOW,         "HDD Reset" },
+};
 static struct scsi_host_template palmld_sht = {
        ATA_PIO_SHT(DRV_NAME),
 };
@@ -52,28 +57,23 @@ static __devinit int palmld_pata_probe(struct platform_device *pdev)
        /* allocate host */
        host = ata_host_alloc(&pdev->dev, 1);
-        if (!host)
+        if (!host) {
-                return -ENOMEM;
+                ret = -ENOMEM;
+                goto err1;
+        }
        /* remap drive's physical memory address */
        mem = devm_ioremap(&pdev->dev, PALMLD_IDE_PHYS, 0x1000);
-        if (!mem)
+        if (!mem) {
-                return -ENOMEM;
+                ret = -ENOMEM;
+                goto err1;
+        }
        /* request and activate power GPIO, IRQ GPIO */
-        ret = gpio_request(GPIO_NR_PALMLD_IDE_PWEN, "HDD PWR");
+        ret = gpio_request_array(palmld_hdd_gpios,
+                                ARRAY_SIZE(palmld_hdd_gpios));
        if (ret)
                goto err1;
-        ret = gpio_direction_output(GPIO_NR_PALMLD_IDE_PWEN, 1);
-        if (ret)
-                goto err2;
-        ret = gpio_request(GPIO_NR_PALMLD_IDE_RESET, "HDD RST");
-        if (ret)
-                goto err2;
-        ret = gpio_direction_output(GPIO_NR_PALMLD_IDE_RESET, 0);
-        if (ret)
-                goto err3;
        /* reset the drive */
        gpio_set_value(GPIO_NR_PALMLD_IDE_RESET, 0);
@@ -96,13 +96,15 @@ static __devinit int palmld_pata_probe(struct platform_device *pdev)
        ata_sff_std_ports(&ap->ioaddr);
        /* activate host */
-        return ata_host_activate(host, 0, NULL, IRQF_TRIGGER_RISING,
+        ret = ata_host_activate(host, 0, NULL, IRQF_TRIGGER_RISING,
                                        &palmld_sht);
+        if (ret)
+                goto err2;
+        return ret;
-err3:
-        gpio_free(GPIO_NR_PALMLD_IDE_RESET);
 err2:
-        gpio_free(GPIO_NR_PALMLD_IDE_PWEN);
+        gpio_free_array(palmld_hdd_gpios, ARRAY_SIZE(palmld_hdd_gpios));
 err1:
        return ret;
 }
@@ -116,8 +118,7 @@ static __devexit int palmld_pata_remove(struct platform_device *dev)
        /* power down the HDD */
        gpio_set_value(GPIO_NR_PALMLD_IDE_PWEN, 0);
-        gpio_free(GPIO_NR_PALMLD_IDE_RESET);
+        gpio_free_array(palmld_hdd_gpios, ARRAY_SIZE(palmld_hdd_gpios));
-        gpio_free(GPIO_NR_PALMLD_IDE_PWEN);
        return 0;
 }
diff --git a/drivers/pcmcia/pxa2xx_colibri.c b/drivers/pcmcia/pxa2xx_colibri.c
index a52039564e74..443cb7fc872d 100644
--- a/drivers/pcmcia/pxa2xx_colibri.c
+++ b/drivers/pcmcia/pxa2xx_colibri.c
@@ -34,14 +34,24 @@
 #define COLIBRI320_DETECT_GPIO  81
 #define COLIBRI320_READY_GPIO   29
-static struct {
+enum {
-        int     reset_gpio;
+        DETECT = 0,
-        int     ppen_gpio;
+        READY = 1,
-        int     bvd1_gpio;
+        BVD1 = 2,
-        int     bvd2_gpio;
+        BVD2 = 3,
-        int     detect_gpio;
+        PPEN = 4,
-        int     ready_gpio;
+        RESET = 5,
-} colibri_pcmcia_gpio;
+};
+/* Contents of this array are configured on-the-fly in init function */
+static struct gpio colibri_pcmcia_gpios[] = {
+        { 0,    GPIOF_IN,       "PCMCIA Detect" },
+        { 0,    GPIOF_IN,       "PCMCIA Ready" },
+        { 0,    GPIOF_IN,       "PCMCIA BVD1" },
+        { 0,    GPIOF_IN,       "PCMCIA BVD2" },
+        { 0,    GPIOF_INIT_LOW, "PCMCIA PPEN" },
+        { 0,    GPIOF_INIT_HIGH,"PCMCIA Reset" },
+};
 static struct pcmcia_irqs colibri_irqs[] = {
        {
@@ -54,88 +64,42 @@ static int colibri_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
 {
        int ret;
-        ret = gpio_request(colibri_pcmcia_gpio.detect_gpio, "DETECT");
+        ret = gpio_request_array(colibri_pcmcia_gpios,
+                                ARRAY_SIZE(colibri_pcmcia_gpios));
        if (ret)
                goto err1;
-        ret = gpio_direction_input(colibri_pcmcia_gpio.detect_gpio);
-        if (ret)
-                goto err2;
-        ret = gpio_request(colibri_pcmcia_gpio.ready_gpio, "READY");
-        if (ret)
-                goto err2;
-        ret = gpio_direction_input(colibri_pcmcia_gpio.ready_gpio);
-        if (ret)
-                goto err3;
-        ret = gpio_request(colibri_pcmcia_gpio.bvd1_gpio, "BVD1");
+        colibri_irqs[0].irq = gpio_to_irq(colibri_pcmcia_gpios[DETECT].gpio);
-        if (ret)
+        skt->socket.pci_irq = gpio_to_irq(colibri_pcmcia_gpios[READY].gpio);
-                goto err3;
-        ret = gpio_direction_input(colibri_pcmcia_gpio.bvd1_gpio);
-        if (ret)
-                goto err4;
-        ret = gpio_request(colibri_pcmcia_gpio.bvd2_gpio, "BVD2");
+        ret = soc_pcmcia_request_irqs(skt, colibri_irqs,
-        if (ret)
+                                        ARRAY_SIZE(colibri_irqs));
-                goto err4;
-        ret = gpio_direction_input(colibri_pcmcia_gpio.bvd2_gpio);
-        if (ret)
-                goto err5;
-        ret = gpio_request(colibri_pcmcia_gpio.ppen_gpio, "PPEN");
-        if (ret)
-                goto err5;
-        ret = gpio_direction_output(colibri_pcmcia_gpio.ppen_gpio, 0);
-        if (ret)
-                goto err6;
-        ret = gpio_request(colibri_pcmcia_gpio.reset_gpio, "RESET");
-        if (ret)
-                goto err6;
-        ret = gpio_direction_output(colibri_pcmcia_gpio.reset_gpio, 1);
        if (ret)
-                goto err7;
+                goto err2;
-        colibri_irqs[0].irq = gpio_to_irq(colibri_pcmcia_gpio.detect_gpio);
-        skt->socket.pci_irq = gpio_to_irq(colibri_pcmcia_gpio.ready_gpio);
-        return soc_pcmcia_request_irqs(skt, colibri_irqs,
+        return ret;
-                                        ARRAY_SIZE(colibri_irqs));
-err7:
-        gpio_free(colibri_pcmcia_gpio.detect_gpio);
-err6:
-        gpio_free(colibri_pcmcia_gpio.ready_gpio);
-err5:
-        gpio_free(colibri_pcmcia_gpio.bvd1_gpio);
-err4:
-        gpio_free(colibri_pcmcia_gpio.bvd2_gpio);
-err3:
-        gpio_free(colibri_pcmcia_gpio.reset_gpio);
 err2:
-        gpio_free(colibri_pcmcia_gpio.ppen_gpio);
+        gpio_free_array(colibri_pcmcia_gpios,
+                        ARRAY_SIZE(colibri_pcmcia_gpios));
 err1:
        return ret;
 }
 static void colibri_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
 {
-        gpio_free(colibri_pcmcia_gpio.detect_gpio);
+        gpio_free_array(colibri_pcmcia_gpios,
-        gpio_free(colibri_pcmcia_gpio.ready_gpio);
+                        ARRAY_SIZE(colibri_pcmcia_gpios));
-        gpio_free(colibri_pcmcia_gpio.bvd1_gpio);
-        gpio_free(colibri_pcmcia_gpio.bvd2_gpio);
-        gpio_free(colibri_pcmcia_gpio.reset_gpio);
-        gpio_free(colibri_pcmcia_gpio.ppen_gpio);
 }
 static void colibri_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
                                        struct pcmcia_state *state)
 {
-        state->detect = !!gpio_get_value(colibri_pcmcia_gpio.detect_gpio);
+        state->detect = !!gpio_get_value(colibri_pcmcia_gpios[DETECT].gpio);
-        state->ready  = !!gpio_get_value(colibri_pcmcia_gpio.ready_gpio);
+        state->ready  = !!gpio_get_value(colibri_pcmcia_gpios[READY].gpio);
-        state->bvd1   = !!gpio_get_value(colibri_pcmcia_gpio.bvd1_gpio);
+        state->bvd1   = !!gpio_get_value(colibri_pcmcia_gpios[BVD1].gpio);
-        state->bvd2   = !!gpio_get_value(colibri_pcmcia_gpio.bvd2_gpio);
+        state->bvd2   = !!gpio_get_value(colibri_pcmcia_gpios[BVD2].gpio);
        state->wrprot = 0;
        state->vs_3v  = 1;
        state->vs_Xv  = 0;
@@ -145,9 +109,10 @@ static int
 colibri_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
                                const socket_state_t *state)
 {
-        gpio_set_value(colibri_pcmcia_gpio.ppen_gpio,
+        gpio_set_value(colibri_pcmcia_gpios[PPEN].gpio,
                        !(state->Vcc == 33 && state->Vpp < 50));
-        gpio_set_value(colibri_pcmcia_gpio.reset_gpio, state->flags & SS_RESET);
+        gpio_set_value(colibri_pcmcia_gpios[RESET].gpio,
+                        state->flags & SS_RESET);
        return 0;
 }
@@ -190,20 +155,20 @@ static int __init colibri_pcmcia_init(void)
        /* Colibri PXA270 */
        if (machine_is_colibri()) {
-                colibri_pcmcia_gpio.reset_gpio  = COLIBRI270_RESET_GPIO;
+                colibri_pcmcia_gpios[RESET].gpio        = COLIBRI270_RESET_GPIO;
-                colibri_pcmcia_gpio.ppen_gpio   = COLIBRI270_PPEN_GPIO;
+                colibri_pcmcia_gpios[PPEN].gpio         = COLIBRI270_PPEN_GPIO;
-                colibri_pcmcia_gpio.bvd1_gpio   = COLIBRI270_BVD1_GPIO;
+                colibri_pcmcia_gpios[BVD1].gpio         = COLIBRI270_BVD1_GPIO;
-                colibri_pcmcia_gpio.bvd2_gpio   = COLIBRI270_BVD2_GPIO;
+                colibri_pcmcia_gpios[BVD2].gpio         = COLIBRI270_BVD2_GPIO;
-                colibri_pcmcia_gpio.detect_gpio = COLIBRI270_DETECT_GPIO;
+                colibri_pcmcia_gpios[DETECT].gpio       = COLIBRI270_DETECT_GPIO;
-                colibri_pcmcia_gpio.ready_gpio  = COLIBRI270_READY_GPIO;
+                colibri_pcmcia_gpios[READY].gpio        = COLIBRI270_READY_GPIO;
        /* Colibri PXA320 */
        } else if (machine_is_colibri320()) {
-                colibri_pcmcia_gpio.reset_gpio  = COLIBRI320_RESET_GPIO;
+                colibri_pcmcia_gpios[RESET].gpio        = COLIBRI320_RESET_GPIO;
-                colibri_pcmcia_gpio.ppen_gpio   = COLIBRI320_PPEN_GPIO;
+                colibri_pcmcia_gpios[PPEN].gpio         = COLIBRI320_PPEN_GPIO;
-                colibri_pcmcia_gpio.bvd1_gpio   = COLIBRI320_BVD1_GPIO;
+                colibri_pcmcia_gpios[BVD1].gpio         = COLIBRI320_BVD1_GPIO;
-                colibri_pcmcia_gpio.bvd2_gpio   = COLIBRI320_BVD2_GPIO;
+                colibri_pcmcia_gpios[BVD2].gpio         = COLIBRI320_BVD2_GPIO;
-                colibri_pcmcia_gpio.detect_gpio = COLIBRI320_DETECT_GPIO;
+                colibri_pcmcia_gpios[DETECT].gpio       = COLIBRI320_DETECT_GPIO;
-                colibri_pcmcia_gpio.ready_gpio  = COLIBRI320_READY_GPIO;
+                colibri_pcmcia_gpios[READY].gpio        = COLIBRI320_READY_GPIO;
        }
        ret = platform_device_add_data(colibri_pcmcia_device,
diff --git a/drivers/pcmcia/pxa2xx_palmld.c b/drivers/pcmcia/pxa2xx_palmld.c
index 6fb6f7f0672e..69f73670949a 100644
--- a/drivers/pcmcia/pxa2xx_palmld.c
+++ b/drivers/pcmcia/pxa2xx_palmld.c
@@ -4,7 +4,7 @@
 * Driver for Palm LifeDrive PCMCIA
 *
 * Copyright (C) 2006 Alex Osborne <ato@meshy.org>
- * Copyright (C) 2007-2008 Marek Vasut <marek.vasut@gmail.com>
+ * Copyright (C) 2007-2011 Marek Vasut <marek.vasut@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
@@ -20,49 +20,27 @@
 #include <mach/palmld.h>
 #include "soc_common.h"
+static struct gpio palmld_pcmcia_gpios[] = {
+        { GPIO_NR_PALMLD_PCMCIA_POWER,  GPIOF_INIT_LOW, "PCMCIA Power" },
+        { GPIO_NR_PALMLD_PCMCIA_RESET,  GPIOF_INIT_HIGH,"PCMCIA Reset" },
+        { GPIO_NR_PALMLD_PCMCIA_READY,  GPIOF_IN,       "PCMCIA Ready" },
+};
 static int palmld_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
 {
        int ret;
-        ret = gpio_request(GPIO_NR_PALMLD_PCMCIA_POWER, "PCMCIA PWR");
+        ret = gpio_request_array(palmld_pcmcia_gpios,
-        if (ret)
+                                ARRAY_SIZE(palmld_pcmcia_gpios));
-                goto err1;
-        ret = gpio_direction_output(GPIO_NR_PALMLD_PCMCIA_POWER, 0);
-        if (ret)
-                goto err2;
-        ret = gpio_request(GPIO_NR_PALMLD_PCMCIA_RESET, "PCMCIA RST");
-        if (ret)
-                goto err2;
-        ret = gpio_direction_output(GPIO_NR_PALMLD_PCMCIA_RESET, 1);
-        if (ret)
-                goto err3;
-        ret = gpio_request(GPIO_NR_PALMLD_PCMCIA_READY, "PCMCIA RDY");
-        if (ret)
-                goto err3;
-        ret = gpio_direction_input(GPIO_NR_PALMLD_PCMCIA_READY);
-        if (ret)
-                goto err4;
        skt->socket.pci_irq = IRQ_GPIO(GPIO_NR_PALMLD_PCMCIA_READY);
-        return 0;
-err4:
-        gpio_free(GPIO_NR_PALMLD_PCMCIA_READY);
-err3:
-        gpio_free(GPIO_NR_PALMLD_PCMCIA_RESET);
-err2:
-        gpio_free(GPIO_NR_PALMLD_PCMCIA_POWER);
-err1:
        return ret;
 }
 static void palmld_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
 {
-        gpio_free(GPIO_NR_PALMLD_PCMCIA_READY);
+        gpio_free_array(palmld_pcmcia_gpios, ARRAY_SIZE(palmld_pcmcia_gpios));
-        gpio_free(GPIO_NR_PALMLD_PCMCIA_RESET);
-        gpio_free(GPIO_NR_PALMLD_PCMCIA_POWER);
 }
 static void palmld_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
diff --git a/drivers/pcmcia/pxa2xx_palmtc.c b/drivers/pcmcia/pxa2xx_palmtc.c
index 459a232d66be..d0ad6a76bbde 100644
--- a/drivers/pcmcia/pxa2xx_palmtc.c
+++ b/drivers/pcmcia/pxa2xx_palmtc.c
@@ -4,7 +4,7 @@
 * Driver for Palm Tungsten|C PCMCIA
 *
 * Copyright (C) 2008 Alex Osborne <ato@meshy.org>
- * Copyright (C) 2009 Marek Vasut <marek.vasut@gmail.com>
+ * Copyright (C) 2009-2011 Marek Vasut <marek.vasut@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
@@ -21,79 +21,30 @@
 #include <mach/palmtc.h>
 #include "soc_common.h"
+static struct gpio palmtc_pcmcia_gpios[] = {
+        { GPIO_NR_PALMTC_PCMCIA_POWER1, GPIOF_INIT_LOW, "PCMCIA Power 1" },
+        { GPIO_NR_PALMTC_PCMCIA_POWER2, GPIOF_INIT_LOW, "PCMCIA Power 2" },
+        { GPIO_NR_PALMTC_PCMCIA_POWER3, GPIOF_INIT_LOW, "PCMCIA Power 3" },
+        { GPIO_NR_PALMTC_PCMCIA_RESET,  GPIOF_INIT_HIGH,"PCMCIA Reset" },
+        { GPIO_NR_PALMTC_PCMCIA_READY,  GPIOF_IN,       "PCMCIA Ready" },
+        { GPIO_NR_PALMTC_PCMCIA_PWRREADY, GPIOF_IN,     "PCMCIA Power Ready" },
+};
 static int palmtc_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
 {
        int ret;
-        ret = gpio_request(GPIO_NR_PALMTC_PCMCIA_POWER1, "PCMCIA PWR1");
+        ret = gpio_request_array(palmtc_pcmcia_gpios,
-        if (ret)
+                                ARRAY_SIZE(palmtc_pcmcia_gpios));
-                goto err1;
-        ret = gpio_direction_output(GPIO_NR_PALMTC_PCMCIA_POWER1, 0);
-        if (ret)
-                goto err2;
-        ret = gpio_request(GPIO_NR_PALMTC_PCMCIA_POWER2, "PCMCIA PWR2");
-        if (ret)
-                goto err2;
-        ret = gpio_direction_output(GPIO_NR_PALMTC_PCMCIA_POWER2, 0);
-        if (ret)
-                goto err3;
-        ret = gpio_request(GPIO_NR_PALMTC_PCMCIA_POWER3, "PCMCIA PWR3");
-        if (ret)
-                goto err3;
-        ret = gpio_direction_output(GPIO_NR_PALMTC_PCMCIA_POWER3, 0);
-        if (ret)
-                goto err4;
-        ret = gpio_request(GPIO_NR_PALMTC_PCMCIA_RESET, "PCMCIA RST");
-        if (ret)
-                goto err4;
-        ret = gpio_direction_output(GPIO_NR_PALMTC_PCMCIA_RESET, 1);
-        if (ret)
-                goto err5;
-        ret = gpio_request(GPIO_NR_PALMTC_PCMCIA_READY, "PCMCIA RDY");
-        if (ret)
-                goto err5;
-        ret = gpio_direction_input(GPIO_NR_PALMTC_PCMCIA_READY);
-        if (ret)
-                goto err6;
-        ret = gpio_request(GPIO_NR_PALMTC_PCMCIA_PWRREADY, "PCMCIA PWRRDY");
-        if (ret)
-                goto err6;
-        ret = gpio_direction_input(GPIO_NR_PALMTC_PCMCIA_PWRREADY);
-        if (ret)
-                goto err7;
        skt->socket.pci_irq = IRQ_GPIO(GPIO_NR_PALMTC_PCMCIA_READY);
-        return 0;
-err7:
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_PWRREADY);
-err6:
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_READY);
-err5:
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_RESET);
-err4:
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_POWER3);
-err3:
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_POWER2);
-err2:
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_POWER1);
-err1:
        return ret;
 }
 static void palmtc_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
 {
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_PWRREADY);
+        gpio_free_array(palmtc_pcmcia_gpios, ARRAY_SIZE(palmtc_pcmcia_gpios));
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_READY);
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_RESET);
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_POWER3);
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_POWER2);
-        gpio_free(GPIO_NR_PALMTC_PCMCIA_POWER1);
 }
 static void palmtc_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
diff --git a/drivers/pcmcia/pxa2xx_palmtx.c b/drivers/pcmcia/pxa2xx_palmtx.c
index b07b247a399f..1a2580450402 100644
--- a/drivers/pcmcia/pxa2xx_palmtx.c
+++ b/drivers/pcmcia/pxa2xx_palmtx.c
@@ -3,7 +3,7 @@
 *
 * Driver for Palm T|X PCMCIA
 *
- * Copyright (C) 2007-2008 Marek Vasut <marek.vasut@gmail.com>
+ * Copyright (C) 2007-2011 Marek Vasut <marek.vasut@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
@@ -13,67 +13,34 @@
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/gpio.h>
 #include <asm/mach-types.h>
-#include <mach/gpio.h>
 #include <mach/palmtx.h>
 #include "soc_common.h"
+static struct gpio palmtx_pcmcia_gpios[] = {
+        { GPIO_NR_PALMTX_PCMCIA_POWER1, GPIOF_INIT_LOW, "PCMCIA Power 1" },
+        { GPIO_NR_PALMTX_PCMCIA_POWER2, GPIOF_INIT_LOW, "PCMCIA Power 2" },
+        { GPIO_NR_PALMTX_PCMCIA_RESET,  GPIOF_INIT_HIGH,"PCMCIA Reset" },
+        { GPIO_NR_PALMTX_PCMCIA_READY,  GPIOF_IN,       "PCMCIA Ready" },
+};
 static int palmtx_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
 {
        int ret;
-        ret = gpio_request(GPIO_NR_PALMTX_PCMCIA_POWER1, "PCMCIA PWR1");
+        ret = gpio_request_array(palmtx_pcmcia_gpios,
-        if (ret)
+                                ARRAY_SIZE(palmtx_pcmcia_gpios));
-                goto err1;
-        ret = gpio_direction_output(GPIO_NR_PALMTX_PCMCIA_POWER1, 0);
-        if (ret)
-                goto err2;
-        ret = gpio_request(GPIO_NR_PALMTX_PCMCIA_POWER2, "PCMCIA PWR2");
-        if (ret)
-                goto err2;
-        ret = gpio_direction_output(GPIO_NR_PALMTX_PCMCIA_POWER2, 0);
-        if (ret)
-                goto err3;
-        ret = gpio_request(GPIO_NR_PALMTX_PCMCIA_RESET, "PCMCIA RST");
-        if (ret)
-                goto err3;
-        ret = gpio_direction_output(GPIO_NR_PALMTX_PCMCIA_RESET, 1);
-        if (ret)
-                goto err4;
-        ret = gpio_request(GPIO_NR_PALMTX_PCMCIA_READY, "PCMCIA RDY");
-        if (ret)
-                goto err4;
-        ret = gpio_direction_input(GPIO_NR_PALMTX_PCMCIA_READY);
-        if (ret)
-                goto err5;
        skt->socket.pci_irq = gpio_to_irq(GPIO_NR_PALMTX_PCMCIA_READY);
-        return 0;
-err5:
-        gpio_free(GPIO_NR_PALMTX_PCMCIA_READY);
-err4:
-        gpio_free(GPIO_NR_PALMTX_PCMCIA_RESET);
-err3:
-        gpio_free(GPIO_NR_PALMTX_PCMCIA_POWER2);
-err2:
-        gpio_free(GPIO_NR_PALMTX_PCMCIA_POWER1);
-err1:
        return ret;
 }
 static void palmtx_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
 {
-        gpio_free(GPIO_NR_PALMTX_PCMCIA_READY);
+        gpio_free_array(palmtx_pcmcia_gpios, ARRAY_SIZE(palmtx_pcmcia_gpios));
-        gpio_free(GPIO_NR_PALMTX_PCMCIA_RESET);
-        gpio_free(GPIO_NR_PALMTX_PCMCIA_POWER2);
-        gpio_free(GPIO_NR_PALMTX_PCMCIA_POWER1);
 }
 static void palmtx_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
diff --git a/drivers/pcmcia/pxa2xx_vpac270.c b/drivers/pcmcia/pxa2xx_vpac270.c
index 55627eccee8e..435002dfc3ca 100644
--- a/drivers/pcmcia/pxa2xx_vpac270.c
+++ b/drivers/pcmcia/pxa2xx_vpac270.c
@@ -3,8 +3,7 @@
 *
 * Driver for Voipac PXA270 PCMCIA and CF sockets
 *
- * Copyright (C) 2010
+ * Copyright (C) 2010-2011 Marek Vasut <marek.vasut@gmail.com>
- * Marek Vasut <marek.vasut@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
@@ -22,6 +21,19 @@
 #include "soc_common.h"
+static struct gpio vpac270_pcmcia_gpios[] = {
+        { GPIO84_VPAC270_PCMCIA_CD,     GPIOF_IN,       "PCMCIA Card Detect" },
+        { GPIO35_VPAC270_PCMCIA_RDY,    GPIOF_IN,       "PCMCIA Ready" },
+        { GPIO107_VPAC270_PCMCIA_PPEN,  GPIOF_INIT_LOW, "PCMCIA PPEN" },
+        { GPIO11_VPAC270_PCMCIA_RESET,  GPIOF_INIT_LOW, "PCMCIA Reset" },
+};
+static struct gpio vpac270_cf_gpios[] = {
+        { GPIO17_VPAC270_CF_CD,         GPIOF_IN,       "CF Card Detect" },
+        { GPIO12_VPAC270_CF_RDY,        GPIOF_IN,       "CF Ready" },
+        { GPIO16_VPAC270_CF_RESET,      GPIOF_INIT_LOW, "CF Reset" },
+};
 static struct pcmcia_irqs cd_irqs[] = {
        {
                .sock = 0,
@@ -40,96 +52,34 @@ static int vpac270_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
        int ret;
        if (skt->nr == 0) {
-                ret = gpio_request(GPIO84_VPAC270_PCMCIA_CD, "PCMCIA CD");
+                ret = gpio_request_array(vpac270_pcmcia_gpios,
-                if (ret)
+                                ARRAY_SIZE(vpac270_pcmcia_gpios));
-                        goto err1;
-                ret = gpio_direction_input(GPIO84_VPAC270_PCMCIA_CD);
-                if (ret)
-                        goto err2;
-                ret = gpio_request(GPIO35_VPAC270_PCMCIA_RDY, "PCMCIA RDY");
-                if (ret)
-                        goto err2;
-                ret = gpio_direction_input(GPIO35_VPAC270_PCMCIA_RDY);
-                if (ret)
-                        goto err3;
-                ret = gpio_request(GPIO107_VPAC270_PCMCIA_PPEN, "PCMCIA PPEN");
-                if (ret)
-                        goto err3;
-                ret = gpio_direction_output(GPIO107_VPAC270_PCMCIA_PPEN, 0);
-                if (ret)
-                        goto err4;
-                ret = gpio_request(GPIO11_VPAC270_PCMCIA_RESET, "PCMCIA RESET");
-                if (ret)
-                        goto err4;
-                ret = gpio_direction_output(GPIO11_VPAC270_PCMCIA_RESET, 0);
-                if (ret)
-                        goto err5;
                skt->socket.pci_irq = gpio_to_irq(GPIO35_VPAC270_PCMCIA_RDY);
-                return soc_pcmcia_request_irqs(skt, &cd_irqs[0], 1);
+                if (!ret)
+                        ret = soc_pcmcia_request_irqs(skt, &cd_irqs[0], 1);
-err5:
-                gpio_free(GPIO11_VPAC270_PCMCIA_RESET);
-err4:
-                gpio_free(GPIO107_VPAC270_PCMCIA_PPEN);
-err3:
-                gpio_free(GPIO35_VPAC270_PCMCIA_RDY);
-err2:
-                gpio_free(GPIO84_VPAC270_PCMCIA_CD);
-err1:
-                return ret;
        } else {
-                ret = gpio_request(GPIO17_VPAC270_CF_CD, "CF CD");
+                ret = gpio_request_array(vpac270_cf_gpios,
-                if (ret)
+                                ARRAY_SIZE(vpac270_cf_gpios));
-                        goto err6;
-                ret = gpio_direction_input(GPIO17_VPAC270_CF_CD);
-                if (ret)
-                        goto err7;
-                ret = gpio_request(GPIO12_VPAC270_CF_RDY, "CF RDY");
-                if (ret)
-                        goto err7;
-                ret = gpio_direction_input(GPIO12_VPAC270_CF_RDY);
-                if (ret)
-                        goto err8;
-                ret = gpio_request(GPIO16_VPAC270_CF_RESET, "CF RESET");
-                if (ret)
-                        goto err8;
-                ret = gpio_direction_output(GPIO16_VPAC270_CF_RESET, 0);
-                if (ret)
-                        goto err9;
                skt->socket.pci_irq = gpio_to_irq(GPIO12_VPAC270_CF_RDY);
-                return soc_pcmcia_request_irqs(skt, &cd_irqs[1], 1);
+                if (!ret)
+                        ret = soc_pcmcia_request_irqs(skt, &cd_irqs[1], 1);
-err9:
-                gpio_free(GPIO16_VPAC270_CF_RESET);
-err8:
-                gpio_free(GPIO12_VPAC270_CF_RDY);
-err7:
-                gpio_free(GPIO17_VPAC270_CF_CD);
-err6:
-                return ret;
        }
+        return ret;
 }
 static void vpac270_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
 {
-        gpio_free(GPIO11_VPAC270_PCMCIA_RESET);
+        if (skt->nr == 0)
-        gpio_free(GPIO107_VPAC270_PCMCIA_PPEN);
+                gpio_request_array(vpac270_pcmcia_gpios,
-        gpio_free(GPIO35_VPAC270_PCMCIA_RDY);
+                                        ARRAY_SIZE(vpac270_pcmcia_gpios));
-        gpio_free(GPIO84_VPAC270_PCMCIA_CD);
+        else
-        gpio_free(GPIO16_VPAC270_CF_RESET);
+                gpio_request_array(vpac270_cf_gpios,
-        gpio_free(GPIO12_VPAC270_CF_RDY);
+                                        ARRAY_SIZE(vpac270_cf_gpios));
-        gpio_free(GPIO17_VPAC270_CF_CD);
 }
 static void vpac270_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c
index b37f92cb71bc..444b60aa15e9 100644
--- a/drivers/usb/gadget/pxa25x_udc.c
+++ b/drivers/usb/gadget/pxa25x_udc.c
@@ -139,24 +139,6 @@ static const char ep0name [] = "ep0";
 static void pxa25x_ep_fifo_flush (struct usb_ep *ep);
 static void nuke (struct pxa25x_ep *, int status);
-/* one GPIO should be used to detect VBUS from the host */
-static int is_vbus_present(void)
-{
-        struct pxa2xx_udc_mach_info             *mach = the_controller->mach;
-        if (gpio_is_valid(mach->gpio_vbus)) {
-                int value = gpio_get_value(mach->gpio_vbus);
-                if (mach->gpio_vbus_inverted)
-                        return !value;
-                else
-                        return !!value;
-        }
-        if (mach->udc_is_connected)
-                return mach->udc_is_connected();
-        return 1;
-}
 /* one GPIO should control a D+ pullup, so host sees this device (or not) */
 static void pullup_off(void)
 {
@@ -1055,7 +1037,7 @@ udc_seq_show(struct seq_file *m, void *_d)
                "%s version: %s\nGadget driver: %s\nHost %s\n\n",
                driver_name, DRIVER_VERSION SIZE_STR "(pio)",
                dev->driver ? dev->driver->driver.name : "(none)",
-                is_vbus_present() ? "full speed" : "disconnected");
+                dev->gadget.speed == USB_SPEED_FULL ? "full speed" : "disconnected");
        /* registers for device and ep0 */
        seq_printf(m,
@@ -1094,7 +1076,7 @@ udc_seq_show(struct seq_file *m, void *_d)
                        (tmp & UDCCFR_ACM) ? " acm" : "");
        }
-        if (!is_vbus_present() || !dev->driver)
+        if (dev->gadget.speed != USB_SPEED_FULL || !dev->driver)
                goto done;
        seq_printf(m, "ep0 IN %lu/%lu, OUT %lu/%lu\nirqs %lu\n\n",
@@ -1435,14 +1417,6 @@ lubbock_vbus_irq(int irq, void *_dev)
 #endif
-static irqreturn_t udc_vbus_irq(int irq, void *_dev)
-{
-        struct pxa25x_udc       *dev = _dev;
-        pxa25x_udc_vbus_session(&dev->gadget, is_vbus_present());
-        return IRQ_HANDLED;
-}
 /*-------------------------------------------------------------------------*/
@@ -1766,12 +1740,9 @@ pxa25x_udc_irq(int irq, void *_dev)
                if (unlikely(udccr & UDCCR_SUSIR)) {
                        udc_ack_int_UDCCR(UDCCR_SUSIR);
                        handled = 1;
-                        DBG(DBG_VERBOSE, "USB suspend%s\n", is_vbus_present()
+                        DBG(DBG_VERBOSE, "USB suspend\n");
-                                ? "" : "+disconnect");
-                        if (!is_vbus_present())
+                        if (dev->gadget.speed != USB_SPEED_UNKNOWN
-                                stop_activity(dev, dev->driver);
-                        else if (dev->gadget.speed != USB_SPEED_UNKNOWN
                                        && dev->driver
                                        && dev->driver->suspend)
                                dev->driver->suspend(&dev->gadget);
@@ -1786,8 +1757,7 @@ pxa25x_udc_irq(int irq, void *_dev)
                        if (dev->gadget.speed != USB_SPEED_UNKNOWN
                                        && dev->driver
-                                        && dev->driver->resume
+                                        && dev->driver->resume)
-                                        && is_vbus_present())
                                dev->driver->resume(&dev->gadget);
                }
@@ -2137,7 +2107,7 @@ static struct pxa25x_udc memory = {
 static int __init pxa25x_udc_probe(struct platform_device *pdev)
 {
        struct pxa25x_udc *dev = &memory;
-        int retval, vbus_irq, irq;
+        int retval, irq;
        u32 chiprev;
        /* insist on Intel/ARM/XScale */
@@ -2199,19 +2169,6 @@ static int __init pxa25x_udc_probe(struct platform_device *pdev)
        dev->transceiver = otg_get_transceiver();
-        if (gpio_is_valid(dev->mach->gpio_vbus)) {
-                if ((retval = gpio_request(dev->mach->gpio_vbus,
-                                "pxa25x_udc GPIO VBUS"))) {
-                        dev_dbg(&pdev->dev,
-                                "can't get vbus gpio %d, err: %d\n",
-                                dev->mach->gpio_vbus, retval);
-                        goto err_gpio_vbus;
-                }
-                gpio_direction_input(dev->mach->gpio_vbus);
-                vbus_irq = gpio_to_irq(dev->mach->gpio_vbus);
-        } else
-                vbus_irq = 0;
        if (gpio_is_valid(dev->mach->gpio_pullup)) {
                if ((retval = gpio_request(dev->mach->gpio_pullup,
                                "pca25x_udc GPIO PULLUP"))) {
@@ -2237,7 +2194,7 @@ static int __init pxa25x_udc_probe(struct platform_device *pdev)
        udc_disable(dev);
        udc_reinit(dev);
-        dev->vbus = !!is_vbus_present();
+        dev->vbus = 0;
        /* irq setup after old hardware state is cleaned up */
        retval = request_irq(irq, pxa25x_udc_irq,
@@ -2273,22 +2230,10 @@ lubbock_fail0:
                }
        } else
 #endif
-        if (vbus_irq) {
-                retval = request_irq(vbus_irq, udc_vbus_irq,
-                                IRQF_DISABLED | IRQF_SAMPLE_RANDOM |
-                                IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
-                                driver_name, dev);
-                if (retval != 0) {
-                        pr_err("%s: can't get irq %i, err %d\n",
-                                driver_name, vbus_irq, retval);
-                        goto err_vbus_irq;
-                }
-        }
        create_debug_files(dev);
        return 0;
- err_vbus_irq:
 #ifdef  CONFIG_ARCH_LUBBOCK
        free_irq(LUBBOCK_USB_DISC_IRQ, dev);
 err_irq_lub:
@@ -2298,9 +2243,6 @@ lubbock_fail0:
        if (gpio_is_valid(dev->mach->gpio_pullup))
                gpio_free(dev->mach->gpio_pullup);
 err_gpio_pullup:
-        if (gpio_is_valid(dev->mach->gpio_vbus))
-                gpio_free(dev->mach->gpio_vbus);
- err_gpio_vbus:
        if (dev->transceiver) {
                otg_put_transceiver(dev->transceiver);
                dev->transceiver = NULL;
@@ -2337,10 +2279,6 @@ static int __exit pxa25x_udc_remove(struct platform_device *pdev)
                free_irq(LUBBOCK_USB_IRQ, dev);
        }
 #endif
-        if (gpio_is_valid(dev->mach->gpio_vbus)) {
-                free_irq(gpio_to_irq(dev->mach->gpio_vbus), dev);
-                gpio_free(dev->mach->gpio_vbus);
-        }
        if (gpio_is_valid(dev->mach->gpio_pullup))
                gpio_free(dev->mach->gpio_pullup);
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 825b665245bb..a2e5b5100ab4 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -627,7 +627,12 @@ static void overlay1fb_enable(struct pxafb_layer *ofb)
 static void overlay1fb_disable(struct pxafb_layer *ofb)
 {
-        uint32_t lccr5 = lcd_readl(ofb->fbi, LCCR5);
+        uint32_t lccr5;
+        if (!(lcd_readl(ofb->fbi, OVL1C1) & OVLxC1_OEN))
+                return;
+        lccr5 = lcd_readl(ofb->fbi, LCCR5);
        lcd_writel(ofb->fbi, OVL1C1, ofb->control[0] & ~OVLxC1_OEN);
@@ -685,7 +690,12 @@ static void overlay2fb_enable(struct pxafb_layer *ofb)
 static void overlay2fb_disable(struct pxafb_layer *ofb)
 {
-        uint32_t lccr5 = lcd_readl(ofb->fbi, LCCR5);
+        uint32_t lccr5;
+        if (!(lcd_readl(ofb->fbi, OVL2C1) & OVLxC1_OEN))
+                return;
+        lccr5 = lcd_readl(ofb->fbi, LCCR5);
        lcd_writel(ofb->fbi, OVL2C1, ofb->control[0] & ~OVLxC1_OEN);
@@ -720,12 +730,10 @@ static int overlayfb_open(struct fb_info *info, int user)
        if (user == 0)
                return -ENODEV;
-        /* allow only one user at a time */
+        if (ofb->usage++ == 0)
-        if (atomic_inc_and_test(&ofb->usage))
+                /* unblank the base framebuffer */
-                return -EBUSY;
+                fb_blank(&ofb->fbi->fb, FB_BLANK_UNBLANK);
-        /* unblank the base framebuffer */
-        fb_blank(&ofb->fbi->fb, FB_BLANK_UNBLANK);
        return 0;
 }
@@ -733,12 +741,15 @@ static int overlayfb_release(struct fb_info *info, int user)
 {
        struct pxafb_layer *ofb = (struct pxafb_layer*) info;
-        atomic_dec(&ofb->usage);
+        if (ofb->usage == 1) {
-        ofb->ops->disable(ofb);
+                ofb->ops->disable(ofb);
+                ofb->fb.var.height      = -1;
+                ofb->fb.var.width       = -1;
+                ofb->fb.var.xres = ofb->fb.var.xres_virtual = 0;
+                ofb->fb.var.yres = ofb->fb.var.yres_virtual = 0;
-        free_pages_exact(ofb->video_mem, ofb->video_mem_size);
+                ofb->usage--;
-        ofb->video_mem = NULL;
+        }
-        ofb->video_mem_size = 0;
        return 0;
 }
@@ -750,7 +761,7 @@ static int overlayfb_check_var(struct fb_var_screeninfo *var,
        int xpos, ypos, pfor, bpp;
        xpos = NONSTD_TO_XPOS(var->nonstd);
-        ypos = NONSTD_TO_XPOS(var->nonstd);
+        ypos = NONSTD_TO_YPOS(var->nonstd);
        pfor = NONSTD_TO_PFOR(var->nonstd);
        bpp = pxafb_var_to_bpp(var);
@@ -794,7 +805,7 @@ static int overlayfb_check_var(struct fb_var_screeninfo *var,
        return 0;
 }
-static int overlayfb_map_video_memory(struct pxafb_layer *ofb)
+static int overlayfb_check_video_memory(struct pxafb_layer *ofb)
 {
        struct fb_var_screeninfo *var = &ofb->fb.var;
        int pfor = NONSTD_TO_PFOR(var->nonstd);
@@ -812,27 +823,11 @@ static int overlayfb_map_video_memory(struct pxafb_layer *ofb)
        size = PAGE_ALIGN(ofb->fb.fix.line_length * var->yres_virtual);
-        /* don't re-allocate if the original video memory is enough */
        if (ofb->video_mem) {
                if (ofb->video_mem_size >= size)
                        return 0;
-                free_pages_exact(ofb->video_mem, ofb->video_mem_size);
        }
+        return -EINVAL;
-        ofb->video_mem = alloc_pages_exact(size, GFP_KERNEL | __GFP_ZERO);
-        if (ofb->video_mem == NULL)
-                return -ENOMEM;
-        ofb->video_mem_phys = virt_to_phys(ofb->video_mem);
-        ofb->video_mem_size = size;
-        mutex_lock(&ofb->fb.mm_lock);
-        ofb->fb.fix.smem_start  = ofb->video_mem_phys;
-        ofb->fb.fix.smem_len    = ofb->fb.fix.line_length * var->yres_virtual;
-        mutex_unlock(&ofb->fb.mm_lock);
-        ofb->fb.screen_base     = ofb->video_mem;
-        return 0;
 }
 static int overlayfb_set_par(struct fb_info *info)
@@ -841,13 +836,13 @@ static int overlayfb_set_par(struct fb_info *info)
        struct fb_var_screeninfo *var = &info->var;
        int xpos, ypos, pfor, bpp, ret;
-        ret = overlayfb_map_video_memory(ofb);
+        ret = overlayfb_check_video_memory(ofb);
        if (ret)
                return ret;
        bpp  = pxafb_var_to_bpp(var);
        xpos = NONSTD_TO_XPOS(var->nonstd);
-        ypos = NONSTD_TO_XPOS(var->nonstd);
+        ypos = NONSTD_TO_YPOS(var->nonstd);
        pfor = NONSTD_TO_PFOR(var->nonstd);
        ofb->control[0] = OVLxC1_PPL(var->xres) | OVLxC1_LPO(var->yres) |
@@ -891,7 +886,7 @@ static void __devinit init_pxafb_overlay(struct pxafb_info *fbi,
        ofb->id = id;
        ofb->ops = &ofb_ops[id];
-        atomic_set(&ofb->usage, 0);
+        ofb->usage = 0;
        ofb->fbi = fbi;
        init_completion(&ofb->branch_done);
 }
@@ -904,29 +899,60 @@ static inline int pxafb_overlay_supported(void)
        return 0;
 }
-static int __devinit pxafb_overlay_init(struct pxafb_info *fbi)
+static int __devinit pxafb_overlay_map_video_memory(struct pxafb_info *pxafb,
+        struct pxafb_layer *ofb)
+{
+        /* We assume that user will use at most video_mem_size for overlay fb,
+         * anyway, it's useless to use 16bpp main plane and 24bpp overlay
+         */
+        ofb->video_mem = alloc_pages_exact(PAGE_ALIGN(pxafb->video_mem_size),
+                GFP_KERNEL | __GFP_ZERO);
+        if (ofb->video_mem == NULL)
+                return -ENOMEM;
+        ofb->video_mem_phys = virt_to_phys(ofb->video_mem);
+        ofb->video_mem_size = PAGE_ALIGN(pxafb->video_mem_size);
+        mutex_lock(&ofb->fb.mm_lock);
+        ofb->fb.fix.smem_start  = ofb->video_mem_phys;
+        ofb->fb.fix.smem_len    = pxafb->video_mem_size;
+        mutex_unlock(&ofb->fb.mm_lock);
+        ofb->fb.screen_base     = ofb->video_mem;
+        return 0;
+}
+static void __devinit pxafb_overlay_init(struct pxafb_info *fbi)
 {
        int i, ret;
        if (!pxafb_overlay_supported())
-                return 0;
+                return;
        for (i = 0; i < 2; i++) {
-                init_pxafb_overlay(fbi, &fbi->overlay[i], i);
+                struct pxafb_layer *ofb = &fbi->overlay[i];
-                ret = register_framebuffer(&fbi->overlay[i].fb);
+                init_pxafb_overlay(fbi, ofb, i);
+                ret = register_framebuffer(&ofb->fb);
                if (ret) {
                        dev_err(fbi->dev, "failed to register overlay %d\n", i);
-                        return ret;
+                        continue;
                }
+                ret = pxafb_overlay_map_video_memory(fbi, ofb);
+                if (ret) {
+                        dev_err(fbi->dev,
+                                "failed to map video memory for overlay %d\n",
+                                i);
+                        unregister_framebuffer(&ofb->fb);
+                        continue;
+                }
+                ofb->registered = 1;
        }
        /* mask all IU/BS/EOF/SOF interrupts */
        lcd_writel(fbi, LCCR5, ~0);
-        /* place overlay(s) on top of base */
-        fbi->lccr0 |= LCCR0_OUC;
        pr_info("PXA Overlay driver loaded successfully!\n");
-        return 0;
 }
 static void __devexit pxafb_overlay_exit(struct pxafb_info *fbi)
@@ -936,8 +962,15 @@ static void __devexit pxafb_overlay_exit(struct pxafb_info *fbi)
        if (!pxafb_overlay_supported())
                return;
-        for (i = 0; i < 2; i++)
+        for (i = 0; i < 2; i++) {
-                unregister_framebuffer(&fbi->overlay[i].fb);
+                struct pxafb_layer *ofb = &fbi->overlay[i];
+                if (ofb->registered) {
+                        if (ofb->video_mem)
+                                free_pages_exact(ofb->video_mem,
+                                        ofb->video_mem_size);
+                        unregister_framebuffer(&ofb->fb);
+                }
+        }
 }
 #else
 static inline void pxafb_overlay_init(struct pxafb_info *fbi) {}
@@ -1368,7 +1401,8 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var,
            (lcd_readl(fbi, LCCR3) != fbi->reg_lccr3) ||
            (lcd_readl(fbi, LCCR4) != fbi->reg_lccr4) ||
            (lcd_readl(fbi, FDADR0) != fbi->fdadr[0]) ||
-            (lcd_readl(fbi, FDADR1) != fbi->fdadr[1]))
+            ((fbi->lccr0 & LCCR0_SDS) &&
+            (lcd_readl(fbi, FDADR1) != fbi->fdadr[1])))
                pxafb_schedule_work(fbi, C_REENABLE);
        return 0;
@@ -1420,7 +1454,8 @@ static void pxafb_enable_controller(struct pxafb_info *fbi)
        lcd_writel(fbi, LCCR0, fbi->reg_lccr0 & ~LCCR0_ENB);
        lcd_writel(fbi, FDADR0, fbi->fdadr[0]);
-        lcd_writel(fbi, FDADR1, fbi->fdadr[1]);
+        if (fbi->lccr0 & LCCR0_SDS)
+                lcd_writel(fbi, FDADR1, fbi->fdadr[1]);
        lcd_writel(fbi, LCCR0, fbi->reg_lccr0 | LCCR0_ENB);
 }
@@ -1613,7 +1648,8 @@ pxafb_freq_transition(struct notifier_block *nb, unsigned long val, void *data)
        switch (val) {
        case CPUFREQ_PRECHANGE:
-                set_ctrlr_state(fbi, C_DISABLE_CLKCHANGE);
+                if (!fbi->overlay[0].usage && !fbi->overlay[1].usage)
+                        set_ctrlr_state(fbi, C_DISABLE_CLKCHANGE);
                break;
        case CPUFREQ_POSTCHANGE:
@@ -1806,6 +1842,12 @@ static struct pxafb_info * __devinit pxafb_init_fbinfo(struct device *dev)
        pxafb_decode_mach_info(fbi, inf);
+#ifdef CONFIG_FB_PXA_OVERLAY
+        /* place overlay(s) on top of base */
+        if (pxafb_overlay_supported())
+                fbi->lccr0 |= LCCR0_OUC;
+#endif
        init_waitqueue_head(&fbi->ctrlr_wait);
        INIT_WORK(&fbi->task, pxafb_task);
        mutex_init(&fbi->ctrlr_lock);
diff --git a/drivers/video/pxafb.h b/drivers/video/pxafb.h
index 2353521c5c8c..26ba9fa3f737 100644
--- a/drivers/video/pxafb.h
+++ b/drivers/video/pxafb.h
@@ -92,7 +92,8 @@ struct pxafb_layer_ops {
 struct pxafb_layer {
        struct fb_info          fb;
        int                     id;
-        atomic_t                usage;
+        int                     registered;
+        uint32_t                usage;
        uint32_t                control[2];
        struct pxafb_layer_ops  *ops;
author	Linus Torvalds <torvalds@linux-foundation.org>	2011-03-30 10:50:45 -0400
committer	Linus Torvalds <torvalds@linux-foundation.org>	2011-03-30 10:50:45 -0400
commit	85eb1513c15652cdaa9fd656345825bf55514a96 (patch)
tree	b445b8d6d9184a897a2656a9f16a6ec592137644
parent	e122996ae1edf2caf19643cb79366fc2117a6188 (diff)
parent	b43d151e9679a06df896ac3db65a9dca80040fed (diff)