Merge branch 'ep93xx/board' into next/board

19 files changed, 471 insertions, 47 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 3269576dbfa8..3146ed3f6eca 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1283,6 +1283,20 @@ config ARM_ERRATA_364296
           processor into full low interrupt latency mode. ARM11MPCore
           is not affected.
 
+config ARM_ERRATA_764369
+        bool "ARM errata: Data cache line maintenance operation by MVA may not succeed"
+        depends on CPU_V7 && SMP
+        help
+          This option enables the workaround for erratum 764369
+          affecting Cortex-A9 MPCore with two or more processors (all
+          current revisions). Under certain timing circumstances, a data
+          cache line maintenance operation by MVA targeting an Inner
+          Shareable memory region may fail to proceed up to either the
+          Point of Coherency or to the Point of Unification of the
+          system. This workaround adds a DSB instruction before the
+          relevant cache maintenance functions and sets a specific bit
+          in the diagnostic control register of the SCU.
+
 endmenu
 
 source "arch/arm/common/Kconfig"
diff --git a/arch/arm/boot/dts/tegra-harmony.dts b/arch/arm/boot/dts/tegra-harmony.dts
index 4c053340ce33..e5818668d091 100644
--- a/arch/arm/boot/dts/tegra-harmony.dts
+++ b/arch/arm/boot/dts/tegra-harmony.dts
@@ -57,14 +57,14 @@
         };
 
         sdhci@c8000200 {
-                gpios = <&gpio 69 0>, /* cd, gpio PI5 */
-                        <&gpio 57 0>, /* wp, gpio PH1 */
-                        <&gpio 155 0>; /* power, gpio PT3 */
+                cd-gpios = <&gpio 69 0>; /* gpio PI5 */
+                wp-gpios = <&gpio 57 0>; /* gpio PH1 */
+                power-gpios = <&gpio 155 0>; /* gpio PT3 */
         };
 
         sdhci@c8000600 {
-                gpios = <&gpio 58 0>, /* cd, gpio PH2 */
-                        <&gpio 59 0>, /* wp, gpio PH3 */
-                        <&gpio 70 0>; /* power, gpio PI6 */
+                cd-gpios = <&gpio 58 0>; /* gpio PH2 */
+                wp-gpios = <&gpio 59 0>; /* gpio PH3 */
+                power-gpios = <&gpio 70 0>; /* gpio PI6 */
         };
 };
diff --git a/arch/arm/boot/dts/tegra-seaboard.dts b/arch/arm/boot/dts/tegra-seaboard.dts
index 1940cae00748..64cedca6fc79 100644
--- a/arch/arm/boot/dts/tegra-seaboard.dts
+++ b/arch/arm/boot/dts/tegra-seaboard.dts
@@ -21,8 +21,8 @@
         };
 
         sdhci@c8000400 {
-                gpios = <&gpio 69 0>, /* cd, gpio PI5 */
-                        <&gpio 57 0>, /* wp, gpio PH1 */
-                        <&gpio 70 0>; /* power, gpio PI6 */
+                cd-gpios = <&gpio 69 0>; /* gpio PI5 */
+                wp-gpios = <&gpio 57 0>; /* gpio PH1 */
+                power-gpios = <&gpio 70 0>; /* gpio PI6 */
         };
 };
diff --git a/arch/arm/include/asm/futex.h b/arch/arm/include/asm/futex.h
index 8c73900da9ed..253cc86318bf 100644
--- a/arch/arm/include/asm/futex.h
+++ b/arch/arm/include/asm/futex.h
@@ -25,17 +25,17 @@
 
 #ifdef CONFIG_SMP
 
-#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg)      \
+#define __futex_atomic_op(insn, ret, oldval, tmp, uaddr, oparg) \
         smp_mb();                                               \
         __asm__ __volatile__(                                   \
-        "1:     ldrex   %1, [%2]\n"                             \
+        "1:     ldrex   %1, [%3]\n"                             \
         "       " insn "\n"                                     \
-        "2:     strex   %1, %0, [%2]\n"                         \
-        "       teq     %1, #0\n"                               \
+        "2:     strex   %2, %0, [%3]\n"                         \
+        "       teq     %2, #0\n"                               \
         "       bne     1b\n"                                   \
         "       mov     %0, #0\n"                               \
-        __futex_atomic_ex_table("%4")                           \
-        : "=&r" (ret), "=&r" (oldval)                           \
+        __futex_atomic_ex_table("%5")                           \
+        : "=&r" (ret), "=&r" (oldval), "=&r" (tmp)              \
         : "r" (uaddr), "r" (oparg), "Ir" (-EFAULT)              \
         : "cc", "memory")
 
@@ -73,14 +73,14 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
 #include <linux/preempt.h>
 #include <asm/domain.h>
 
-#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg)      \
+#define __futex_atomic_op(insn, ret, oldval, tmp, uaddr, oparg) \
         __asm__ __volatile__(                                   \
-        "1:     " T(ldr) "      %1, [%2]\n"                     \
+        "1:     " T(ldr) "      %1, [%3]\n"                     \
         "       " insn "\n"                                     \
-        "2:     " T(str) "      %0, [%2]\n"                     \
+        "2:     " T(str) "      %0, [%3]\n"                     \
         "       mov     %0, #0\n"                               \
-        __futex_atomic_ex_table("%4")                           \
-        : "=&r" (ret), "=&r" (oldval)                           \
+        __futex_atomic_ex_table("%5")                           \
+        : "=&r" (ret), "=&r" (oldval), "=&r" (tmp)              \
         : "r" (uaddr), "r" (oparg), "Ir" (-EFAULT)              \
         : "cc", "memory")
 
@@ -117,7 +117,7 @@ futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr)
         int cmp = (encoded_op >> 24) & 15;
         int oparg = (encoded_op << 8) >> 20;
         int cmparg = (encoded_op << 20) >> 20;
-        int oldval = 0, ret;
+        int oldval = 0, ret, tmp;
 
         if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
                 oparg = 1 << oparg;
@@ -129,19 +129,19 @@ futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr)
 
         switch (op) {
         case FUTEX_OP_SET:
-                __futex_atomic_op("mov  %0, %3", ret, oldval, uaddr, oparg);
+                __futex_atomic_op("mov  %0, %4", ret, oldval, tmp, uaddr, oparg);
                 break;
         case FUTEX_OP_ADD:
-                __futex_atomic_op("add  %0, %1, %3", ret, oldval, uaddr, oparg);
+                __futex_atomic_op("add  %0, %1, %4", ret, oldval, tmp, uaddr, oparg);
                 break;
         case FUTEX_OP_OR:
-                __futex_atomic_op("orr  %0, %1, %3", ret, oldval, uaddr, oparg);
+                __futex_atomic_op("orr  %0, %1, %4", ret, oldval, tmp, uaddr, oparg);
                 break;
         case FUTEX_OP_ANDN:
-                __futex_atomic_op("and  %0, %1, %3", ret, oldval, uaddr, ~oparg);
+                __futex_atomic_op("and  %0, %1, %4", ret, oldval, tmp, uaddr, ~oparg);
                 break;
         case FUTEX_OP_XOR:
-                __futex_atomic_op("eor  %0, %1, %3", ret, oldval, uaddr, oparg);
+                __futex_atomic_op("eor  %0, %1, %4", ret, oldval, tmp, uaddr, oparg);
                 break;
         default:
                 ret = -ENOSYS;
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index 2c04ed5efeb5..c60a2944f95b 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -478,8 +478,8 @@
 /*
  * Unimplemented (or alternatively implemented) syscalls
  */
-#define __IGNORE_fadvise64_64           1
-#define __IGNORE_migrate_pages          1
+#define __IGNORE_fadvise64_64
+#define __IGNORE_migrate_pages
 
 #endif /* __KERNEL__ */
 #endif /* __ASM_ARM_UNISTD_H */
diff --git a/arch/arm/kernel/smp_scu.c b/arch/arm/kernel/smp_scu.c
index 79ed5e7f204a..7fcddb75c877 100644
--- a/arch/arm/kernel/smp_scu.c
+++ b/arch/arm/kernel/smp_scu.c
@@ -13,6 +13,7 @@
 
 #include <asm/smp_scu.h>
 #include <asm/cacheflush.h>
+#include <asm/cputype.h>
 
 #define SCU_CTRL                0x00
 #define SCU_CONFIG              0x04
@@ -37,6 +38,15 @@ void __init scu_enable(void __iomem *scu_base)
 {
         u32 scu_ctrl;
 
+#ifdef CONFIG_ARM_ERRATA_764369
+        /* Cortex-A9 only */
+        if ((read_cpuid(CPUID_ID) & 0xff0ffff0) == 0x410fc090) {
+                scu_ctrl = __raw_readl(scu_base + 0x30);
+                if (!(scu_ctrl & 1))
+                        __raw_writel(scu_ctrl | 0x1, scu_base + 0x30);
+        }
+#endif
+
         scu_ctrl = __raw_readl(scu_base + SCU_CTRL);
         /* already enabled? */
         if (scu_ctrl & 1)
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index bf977f8514f6..4e66f62b8d41 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -23,8 +23,10 @@
 
 #if defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK)
 #define ARM_EXIT_KEEP(x)        x
+#define ARM_EXIT_DISCARD(x)
 #else
 #define ARM_EXIT_KEEP(x)
+#define ARM_EXIT_DISCARD(x)     x
 #endif
 
 OUTPUT_ARCH(arm)
@@ -39,6 +41,11 @@ jiffies = jiffies_64 + 4;
 SECTIONS
 {
         /*
+         * XXX: The linker does not define how output sections are
+         * assigned to input sections when there are multiple statements
+         * matching the same input section name.  There is no documented
+         * order of matching.
+         *
          * unwind exit sections must be discarded before the rest of the
          * unwind sections get included.
          */
@@ -47,6 +54,9 @@ SECTIONS
                 *(.ARM.extab.exit.text)
                 ARM_CPU_DISCARD(*(.ARM.exidx.cpuexit.text))
                 ARM_CPU_DISCARD(*(.ARM.extab.cpuexit.text))
+                ARM_EXIT_DISCARD(EXIT_TEXT)
+                ARM_EXIT_DISCARD(EXIT_DATA)
+                EXIT_CALL
 #ifndef CONFIG_HOTPLUG
                 *(.ARM.exidx.devexit.text)
                 *(.ARM.extab.devexit.text)
@@ -58,6 +68,8 @@ SECTIONS
 #ifndef CONFIG_SMP_ON_UP
                 *(.alt.smp.init)
 #endif
+                *(.discard)
+                *(.discard.*)
         }
 
 #ifdef CONFIG_XIP_KERNEL
@@ -279,9 +291,6 @@ SECTIONS
 
         STABS_DEBUG
         .comment 0 : { *(.comment) }
-
-        /* Default discards */
-        DISCARDS
 }
 
 /*
diff --git a/arch/arm/mach-dove/common.c b/arch/arm/mach-dove/common.c
index 83dce859886d..a9e0dae86a26 100644
--- a/arch/arm/mach-dove/common.c
+++ b/arch/arm/mach-dove/common.c
@@ -158,7 +158,7 @@ void __init dove_spi0_init(void)
 
 void __init dove_spi1_init(void)
 {
-        orion_spi_init(DOVE_SPI1_PHYS_BASE, get_tclk());
+        orion_spi_1_init(DOVE_SPI1_PHYS_BASE, get_tclk());
 }
 
 /*****************************************************************************
diff --git a/arch/arm/mach-ep93xx/Kconfig b/arch/arm/mach-ep93xx/Kconfig
index 3a08b18f6433..97a249395b5a 100644
--- a/arch/arm/mach-ep93xx/Kconfig
+++ b/arch/arm/mach-ep93xx/Kconfig
@@ -182,6 +182,13 @@ config MACH_TS72XX
           Say 'Y' here if you want your kernel to support the
           Technologic Systems TS-72xx board.
 
+config MACH_VISION_EP9307
+        bool "Support Vision Engraving Systems EP9307 SoM"
+        depends on EP93XX_SDCE0_PHYS_OFFSET
+        help
+          Say 'Y' here if you want your kernel to support the
+          Vision Engraving Systems EP9307 SoM.
+
 choice
         prompt "Select a UART for early kernel messages"
 
diff --git a/arch/arm/mach-ep93xx/Makefile b/arch/arm/mach-ep93xx/Makefile
index 3cedcf2d39e5..574209d9e246 100644
--- a/arch/arm/mach-ep93xx/Makefile
+++ b/arch/arm/mach-ep93xx/Makefile
@@ -15,3 +15,4 @@ obj-$(CONFIG_MACH_MICRO9)	+= micro9.o
 obj-$(CONFIG_MACH_SIM_ONE)      += simone.o
 obj-$(CONFIG_MACH_SNAPPER_CL15) += snappercl15.o
 obj-$(CONFIG_MACH_TS72XX)       += ts72xx.o
+obj-$(CONFIG_MACH_VISION_EP9307)+= vision_ep9307.o
diff --git a/arch/arm/mach-ep93xx/vision_ep9307.c b/arch/arm/mach-ep93xx/vision_ep9307.c
new file mode 100644
index 000000000000..10f6488f6e44
--- /dev/null
+++ b/arch/arm/mach-ep93xx/vision_ep9307.c
@@ -0,0 +1,364 @@
+/*
+ * arch/arm/mach-ep93xx/vision_ep9307.c
+ * Vision Engraving Systems EP9307 SoM support.
+ *
+ * Copyright (C) 2008-2011 Vision Engraving Systems
+ * H Hartley Sweeten <hsweeten@visionengravers.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/fb.h>
+#include <linux/io.h>
+#include <linux/mtd/partitions.h>
+#include <linux/i2c.h>
+#include <linux/i2c-gpio.h>
+#include <linux/i2c/pca953x.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/flash.h>
+#include <linux/spi/mmc_spi.h>
+#include <linux/mmc/host.h>
+
+#include <mach/hardware.h>
+#include <mach/fb.h>
+#include <mach/ep93xx_spi.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/map.h>
+#include <asm/mach/arch.h>
+
+/*************************************************************************
+ * Static I/O mappings for the FPGA
+ *************************************************************************/
+#define VISION_PHYS_BASE        EP93XX_CS7_PHYS_BASE
+#define VISION_VIRT_BASE        0xfebff000
+
+static struct map_desc vision_io_desc[] __initdata = {
+        {
+                .virtual        = VISION_VIRT_BASE,
+                .pfn            = __phys_to_pfn(VISION_PHYS_BASE),
+                .length         = SZ_4K,
+                .type           = MT_DEVICE,
+        },
+};
+
+static void __init vision_map_io(void)
+{
+        ep93xx_map_io();
+
+        iotable_init(vision_io_desc, ARRAY_SIZE(vision_io_desc));
+}
+
+/*************************************************************************
+ * Ethernet
+ *************************************************************************/
+static struct ep93xx_eth_data vision_eth_data __initdata = {
+        .phy_id         = 1,
+};
+
+/*************************************************************************
+ * Framebuffer
+ *************************************************************************/
+#define VISION_LCD_ENABLE       EP93XX_GPIO_LINE_EGPIO1
+
+static int vision_lcd_setup(struct platform_device *pdev)
+{
+        int err;
+
+        err = gpio_request_one(VISION_LCD_ENABLE, GPIOF_INIT_HIGH,
+                                dev_name(&pdev->dev));
+        if (err)
+                return err;
+
+        ep93xx_devcfg_clear_bits(EP93XX_SYSCON_DEVCFG_RAS |
+                                 EP93XX_SYSCON_DEVCFG_RASONP3 |
+                                 EP93XX_SYSCON_DEVCFG_EXVC);
+
+        return 0;
+}
+
+static void vision_lcd_teardown(struct platform_device *pdev)
+{
+        gpio_free(VISION_LCD_ENABLE);
+}
+
+static void vision_lcd_blank(int blank_mode, struct fb_info *info)
+{
+        if (blank_mode)
+                gpio_set_value(VISION_LCD_ENABLE, 0);
+        else
+                gpio_set_value(VISION_LCD_ENABLE, 1);
+}
+
+static struct ep93xxfb_mach_info ep93xxfb_info __initdata = {
+        .num_modes      = EP93XXFB_USE_MODEDB,
+        .bpp            = 16,
+        .flags          = EP93XXFB_USE_SDCSN0 | EP93XXFB_PCLK_FALLING,
+        .setup          = vision_lcd_setup,
+        .teardown       = vision_lcd_teardown,
+        .blank          = vision_lcd_blank,
+};
+
+
+/*************************************************************************
+ * GPIO Expanders
+ *************************************************************************/
+#define PCA9539_74_GPIO_BASE    (EP93XX_GPIO_LINE_MAX + 1)
+#define PCA9539_75_GPIO_BASE    (PCA9539_74_GPIO_BASE + 16)
+#define PCA9539_76_GPIO_BASE    (PCA9539_75_GPIO_BASE + 16)
+#define PCA9539_77_GPIO_BASE    (PCA9539_76_GPIO_BASE + 16)
+
+static struct pca953x_platform_data pca953x_74_gpio_data = {
+        .gpio_base      = PCA9539_74_GPIO_BASE,
+        .irq_base       = EP93XX_BOARD_IRQ(0),
+};
+
+static struct pca953x_platform_data pca953x_75_gpio_data = {
+        .gpio_base      = PCA9539_75_GPIO_BASE,
+        .irq_base       = -1,
+};
+
+static struct pca953x_platform_data pca953x_76_gpio_data = {
+        .gpio_base      = PCA9539_76_GPIO_BASE,
+        .irq_base       = -1,
+};
+
+static struct pca953x_platform_data pca953x_77_gpio_data = {
+        .gpio_base      = PCA9539_77_GPIO_BASE,
+        .irq_base       = -1,
+};
+
+/*************************************************************************
+ * I2C Bus
+ *************************************************************************/
+static struct i2c_gpio_platform_data vision_i2c_gpio_data __initdata = {
+        .sda_pin                = EP93XX_GPIO_LINE_EEDAT,
+        .scl_pin                = EP93XX_GPIO_LINE_EECLK,
+};
+
+static struct i2c_board_info vision_i2c_info[] __initdata = {
+        {
+                I2C_BOARD_INFO("isl1208", 0x6f),
+                .irq            = IRQ_EP93XX_EXT1,
+        }, {
+                I2C_BOARD_INFO("pca9539", 0x74),
+                .platform_data  = &pca953x_74_gpio_data,
+                .irq            = gpio_to_irq(EP93XX_GPIO_LINE_F(7)),
+        }, {
+                I2C_BOARD_INFO("pca9539", 0x75),
+                .platform_data  = &pca953x_75_gpio_data,
+        }, {
+                I2C_BOARD_INFO("pca9539", 0x76),
+                .platform_data  = &pca953x_76_gpio_data,
+        }, {
+                I2C_BOARD_INFO("pca9539", 0x77),
+                .platform_data  = &pca953x_77_gpio_data,
+        },
+};
+
+/*************************************************************************
+ * SPI Flash
+ *************************************************************************/
+#define VISION_SPI_FLASH_CS     EP93XX_GPIO_LINE_EGPIO7
+
+static struct mtd_partition vision_spi_flash_partitions[] = {
+        {
+                .name   = "SPI bootstrap",
+                .offset = 0,
+                .size   = SZ_4K,
+        }, {
+                .name   = "Bootstrap config",
+                .offset = MTDPART_OFS_APPEND,
+                .size   = SZ_4K,
+        }, {
+                .name   = "System config",
+                .offset = MTDPART_OFS_APPEND,
+                .size   = MTDPART_SIZ_FULL,
+        },
+};
+
+static struct flash_platform_data vision_spi_flash_data = {
+        .name           = "SPI Flash",
+        .parts          = vision_spi_flash_partitions,
+        .nr_parts       = ARRAY_SIZE(vision_spi_flash_partitions),
+};
+
+static int vision_spi_flash_hw_setup(struct spi_device *spi)
+{
+        return gpio_request_one(VISION_SPI_FLASH_CS, GPIOF_INIT_HIGH,
+                                spi->modalias);
+}
+
+static void vision_spi_flash_hw_cleanup(struct spi_device *spi)
+{
+        gpio_free(VISION_SPI_FLASH_CS);
+}
+
+static void vision_spi_flash_hw_cs_control(struct spi_device *spi, int value)
+{
+        gpio_set_value(VISION_SPI_FLASH_CS, value);
+}
+
+static struct ep93xx_spi_chip_ops vision_spi_flash_hw = {
+        .setup          = vision_spi_flash_hw_setup,
+        .cleanup        = vision_spi_flash_hw_cleanup,
+        .cs_control     = vision_spi_flash_hw_cs_control,
+};
+
+/*************************************************************************
+ * SPI SD/MMC host
+ *************************************************************************/
+#define VISION_SPI_MMC_CS       EP93XX_GPIO_LINE_G(2)
+#define VISION_SPI_MMC_WP       EP93XX_GPIO_LINE_F(0)
+#define VISION_SPI_MMC_CD       EP93XX_GPIO_LINE_EGPIO15
+
+static struct gpio vision_spi_mmc_gpios[] = {
+        { VISION_SPI_MMC_WP, GPIOF_DIR_IN, "mmc_spi:wp" },
+        { VISION_SPI_MMC_CD, GPIOF_DIR_IN, "mmc_spi:cd" },
+};
+
+static int vision_spi_mmc_init(struct device *pdev,
+                        irqreturn_t (*func)(int, void *), void *pdata)
+{
+        int err;
+
+        err = gpio_request_array(vision_spi_mmc_gpios,
+                                 ARRAY_SIZE(vision_spi_mmc_gpios));
+        if (err)
+                return err;
+
+        err = gpio_set_debounce(VISION_SPI_MMC_CD, 1);
+        if (err)
+                goto exit_err;
+
+        err = request_irq(gpio_to_irq(VISION_SPI_MMC_CD), func,
+                        IRQ_TYPE_EDGE_BOTH, "mmc_spi:cd", pdata);
+        if (err)
+                goto exit_err;
+
+        return 0;
+
+exit_err:
+        gpio_free_array(vision_spi_mmc_gpios, ARRAY_SIZE(vision_spi_mmc_gpios));
+        return err;
+
+}
+
+static void vision_spi_mmc_exit(struct device *pdev, void *pdata)
+{
+        free_irq(gpio_to_irq(VISION_SPI_MMC_CD), pdata);
+        gpio_free_array(vision_spi_mmc_gpios, ARRAY_SIZE(vision_spi_mmc_gpios));
+}
+
+static int vision_spi_mmc_get_ro(struct device *pdev)
+{
+        return !!gpio_get_value(VISION_SPI_MMC_WP);
+}
+
+static int vision_spi_mmc_get_cd(struct device *pdev)
+{
+        return !gpio_get_value(VISION_SPI_MMC_CD);
+}
+
+static struct mmc_spi_platform_data vision_spi_mmc_data = {
+        .init           = vision_spi_mmc_init,
+        .exit           = vision_spi_mmc_exit,
+        .get_ro         = vision_spi_mmc_get_ro,
+        .get_cd         = vision_spi_mmc_get_cd,
+        .detect_delay   = 100,
+        .powerup_msecs  = 100,
+        .ocr_mask       = MMC_VDD_32_33 | MMC_VDD_33_34,
+};
+
+static int vision_spi_mmc_hw_setup(struct spi_device *spi)
+{
+        return gpio_request_one(VISION_SPI_MMC_CS, GPIOF_INIT_HIGH,
+                                spi->modalias);
+}
+
+static void vision_spi_mmc_hw_cleanup(struct spi_device *spi)
+{
+        gpio_free(VISION_SPI_MMC_CS);
+}
+
+static void vision_spi_mmc_hw_cs_control(struct spi_device *spi, int value)
+{
+        gpio_set_value(VISION_SPI_MMC_CS, value);
+}
+
+static struct ep93xx_spi_chip_ops vision_spi_mmc_hw = {
+        .setup          = vision_spi_mmc_hw_setup,
+        .cleanup        = vision_spi_mmc_hw_cleanup,
+        .cs_control     = vision_spi_mmc_hw_cs_control,
+};
+
+/*************************************************************************
+ * SPI Bus
+ *************************************************************************/
+static struct spi_board_info vision_spi_board_info[] __initdata = {
+        {
+                .modalias               = "sst25l",
+                .platform_data          = &vision_spi_flash_data,
+                .controller_data        = &vision_spi_flash_hw,
+                .max_speed_hz           = 20000000,
+                .bus_num                = 0,
+                .chip_select            = 0,
+                .mode                   = SPI_MODE_3,
+        }, {
+                .modalias               = "mmc_spi",
+                .platform_data          = &vision_spi_mmc_data,
+                .controller_data        = &vision_spi_mmc_hw,
+                .max_speed_hz           = 20000000,
+                .bus_num                = 0,
+                .chip_select            = 1,
+                .mode                   = SPI_MODE_3,
+        },
+};
+
+static struct ep93xx_spi_info vision_spi_master __initdata = {
+        .num_chipselect         = ARRAY_SIZE(vision_spi_board_info),
+};
+
+/*************************************************************************
+ * Machine Initialization
+ *************************************************************************/
+static void __init vision_init_machine(void)
+{
+        ep93xx_init_devices();
+        ep93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_64M);
+        ep93xx_register_eth(&vision_eth_data, 1);
+        ep93xx_register_fb(&ep93xxfb_info);
+        ep93xx_register_pwm(1, 0);
+
+        /*
+         * Request the gpio expander's interrupt gpio line now to prevent
+         * the kernel from doing a WARN in gpiolib:gpio_ensure_requested().
+         */
+        if (gpio_request_one(EP93XX_GPIO_LINE_F(7), GPIOF_DIR_IN,
+                                "pca9539:74"))
+                pr_warn("cannot request interrupt gpio for pca9539:74\n");
+
+        ep93xx_register_i2c(&vision_i2c_gpio_data, vision_i2c_info,
+                                ARRAY_SIZE(vision_i2c_info));
+        ep93xx_register_spi(&vision_spi_master, vision_spi_board_info,
+                                ARRAY_SIZE(vision_spi_board_info));
+}
+
+MACHINE_START(VISION_EP9307, "Vision Engraving Systems EP9307")
+        /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
+        .boot_params    = EP93XX_SDCE0_PHYS_BASE + 0x100,
+        .map_io         = vision_map_io,
+        .init_irq       = ep93xx_init_irq,
+        .timer          = &ep93xx_timer,
+        .init_machine   = vision_init_machine,
+MACHINE_END
diff --git a/arch/arm/mach-exynos4/clock.c b/arch/arm/mach-exynos4/clock.c
index 2a037cc221d0..0d59be3fa1fe 100644
--- a/arch/arm/mach-exynos4/clock.c
+++ b/arch/arm/mach-exynos4/clock.c
@@ -948,8 +948,7 @@ static struct clksrc_clk clksrcs[] = {
                 .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 28, .size = 4 },
         }, {
                 .clk            = {
-                        .name           = "sclk_cam",
-                        .devname        = "exynos4-fimc.0",
+                        .name           = "sclk_cam0",
                         .enable         = exynos4_clksrc_mask_cam_ctrl,
                         .ctrlbit        = (1 << 16),
                 },
@@ -958,8 +957,7 @@ static struct clksrc_clk clksrcs[] = {
                 .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 16, .size = 4 },
         }, {
                 .clk            = {
-                        .name           = "sclk_cam",
-                        .devname        = "exynos4-fimc.1",
+                        .name           = "sclk_cam1",
                         .enable         = exynos4_clksrc_mask_cam_ctrl,
                         .ctrlbit        = (1 << 20),
                 },
diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c
index fcf0ae95651f..8cdc730dcb3a 100644
--- a/arch/arm/mach-integrator/integrator_ap.c
+++ b/arch/arm/mach-integrator/integrator_ap.c
@@ -32,6 +32,7 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/mtd/physmap.h>
+#include <video/vga.h>
 
 #include <mach/hardware.h>
 #include <mach/platform.h>
@@ -154,6 +155,7 @@ static struct map_desc ap_io_desc[] __initdata = {
 static void __init ap_map_io(void)
 {
         iotable_init(ap_io_desc, ARRAY_SIZE(ap_io_desc));
+        vga_base = PCI_MEMORY_VADDR;
 }
 
 #define INTEGRATOR_SC_VALID_INT 0x003fffff
diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c
index dd56bfb351e3..11b86e5b71c2 100644
--- a/arch/arm/mach-integrator/pci_v3.c
+++ b/arch/arm/mach-integrator/pci_v3.c
@@ -27,7 +27,6 @@
 #include <linux/spinlock.h>
 #include <linux/init.h>
 #include <linux/io.h>
-#include <video/vga.h>
 
 #include <mach/hardware.h>
 #include <mach/platform.h>
@@ -505,7 +504,6 @@ void __init pci_v3_preinit(void)
 
         pcibios_min_io = 0x6000;
         pcibios_min_mem = 0x00100000;
-        vga_base = PCI_MEMORY_VADDR;
 
         /*
          * Hook in our fault handler for PCI errors
diff --git a/arch/arm/mach-s3c2443/clock.c b/arch/arm/mach-s3c2443/clock.c
index a1a7176675b9..38058af48972 100644
--- a/arch/arm/mach-s3c2443/clock.c
+++ b/arch/arm/mach-s3c2443/clock.c
@@ -128,7 +128,7 @@ static int s3c2443_armclk_setrate(struct clk *clk, unsigned long rate)
                 unsigned long clkcon0;
 
                 clkcon0 = __raw_readl(S3C2443_CLKDIV0);
-                clkcon0 &= S3C2443_CLKDIV0_ARMDIV_MASK;
+                clkcon0 &= ~S3C2443_CLKDIV0_ARMDIV_MASK;
                 clkcon0 |= val << S3C2443_CLKDIV0_ARMDIV_SHIFT;
                 __raw_writel(clkcon0, S3C2443_CLKDIV0);
         }
diff --git a/arch/arm/mach-s5pv210/clock.c b/arch/arm/mach-s5pv210/clock.c
index 52a8e607bcc2..f5f8fa89679c 100644
--- a/arch/arm/mach-s5pv210/clock.c
+++ b/arch/arm/mach-s5pv210/clock.c
@@ -815,8 +815,7 @@ static struct clksrc_clk clksrcs[] = {
                 .reg_div = { .reg = S5P_CLK_DIV3, .shift = 20, .size = 4 },
         }, {
                 .clk            = {
-                        .name           = "sclk_cam",
-                        .devname        = "s5pv210-fimc.0",
+                        .name           = "sclk_cam0",
                         .enable         = s5pv210_clk_mask0_ctrl,
                         .ctrlbit        = (1 << 3),
                 },
@@ -825,8 +824,7 @@ static struct clksrc_clk clksrcs[] = {
                 .reg_div = { .reg = S5P_CLK_DIV1, .shift = 12, .size = 4 },
         }, {
                 .clk            = {
-                        .name           = "sclk_cam",
-                        .devname        = "s5pv210-fimc.1",
+                        .name           = "sclk_cam1",
                         .enable         = s5pv210_clk_mask0_ctrl,
                         .ctrlbit        = (1 << 4),
                 },
diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S
index 3b24bfa3b828..07c4bc8ea0a4 100644
--- a/arch/arm/mm/cache-v7.S
+++ b/arch/arm/mm/cache-v7.S
@@ -174,6 +174,10 @@ ENTRY(v7_coherent_user_range)
         dcache_line_size r2, r3
         sub     r3, r2, #1
         bic     r12, r0, r3
+#ifdef CONFIG_ARM_ERRATA_764369
+        ALT_SMP(W(dsb))
+        ALT_UP(W(nop))
+#endif
 1:
  USER(  mcr     p15, 0, r12, c7, c11, 1 )       @ clean D line to the point of unification
         add     r12, r12, r2
@@ -223,6 +227,10 @@ ENTRY(v7_flush_kern_dcache_area)
         add     r1, r0, r1
         sub     r3, r2, #1
         bic     r0, r0, r3
+#ifdef CONFIG_ARM_ERRATA_764369
+        ALT_SMP(W(dsb))
+        ALT_UP(W(nop))
+#endif
 1:
         mcr     p15, 0, r0, c7, c14, 1          @ clean & invalidate D line / unified line
         add     r0, r0, r2
@@ -247,6 +255,10 @@ v7_dma_inv_range:
         sub     r3, r2, #1
         tst     r0, r3
         bic     r0, r0, r3
+#ifdef CONFIG_ARM_ERRATA_764369
+        ALT_SMP(W(dsb))
+        ALT_UP(W(nop))
+#endif
         mcrne   p15, 0, r0, c7, c14, 1          @ clean & invalidate D / U line
 
         tst     r1, r3
@@ -270,6 +282,10 @@ v7_dma_clean_range:
         dcache_line_size r2, r3
         sub     r3, r2, #1
         bic     r0, r0, r3
+#ifdef CONFIG_ARM_ERRATA_764369
+        ALT_SMP(W(dsb))
+        ALT_UP(W(nop))
+#endif
 1:
         mcr     p15, 0, r0, c7, c10, 1          @ clean D / U line
         add     r0, r0, r2
@@ -288,6 +304,10 @@ ENTRY(v7_dma_flush_range)
         dcache_line_size r2, r3
         sub     r3, r2, #1
         bic     r0, r0, r3
+#ifdef CONFIG_ARM_ERRATA_764369
+        ALT_SMP(W(dsb))
+        ALT_UP(W(nop))
+#endif
 1:
         mcr     p15, 0, r0, c7, c14, 1          @ clean & invalidate D / U line
         add     r0, r0, r2
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 0a0a1e7c20d2..c3ff82f92d9c 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -324,6 +324,8 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp,
 
         if (addr)
                 *handle = pfn_to_dma(dev, page_to_pfn(page));
+        else
+                __dma_free_buffer(page, size);
 
         return addr;
 }
diff --git a/arch/arm/plat-s5p/irq-gpioint.c b/arch/arm/plat-s5p/irq-gpioint.c
index f71078ef6bb5..f88216d23991 100644
--- a/arch/arm/plat-s5p/irq-gpioint.c
+++ b/arch/arm/plat-s5p/irq-gpioint.c
@@ -114,17 +114,18 @@ static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip)
 {
         static int used_gpioint_groups = 0;
         int group = chip->group;
-        struct s5p_gpioint_bank *bank = NULL;
+        struct s5p_gpioint_bank *b, *bank = NULL;
         struct irq_chip_generic *gc;
         struct irq_chip_type *ct;
 
         if (used_gpioint_groups >= S5P_GPIOINT_GROUP_COUNT)
                 return -ENOMEM;
 
-        list_for_each_entry(bank, &banks, list) {
-                if (group >= bank->start &&
-                    group < bank->start + bank->nr_groups)
+        list_for_each_entry(b, &banks, list) {
+                if (group >= b->start && group < b->start + b->nr_groups) {
+                        bank = b;
                         break;
+                }
         }
         if (!bank)
                 return -EINVAL;