9 files changed, 38 insertions, 21 deletions

diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index cd0c8b1e1ecf..14e9947bad6e 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -713,8 +713,7 @@ static int dm644x_venc_setup_clock(enum vpbe_enc_timings_type type,
                 break;
         case VPBE_ENC_CUSTOM_TIMINGS:
                 if (pclock <= 27000000) {
-                        v |= DM644X_VPSS_MUXSEL_PLL2_MODE |
-                             DM644X_VPSS_DACCLKEN;
+                        v |= DM644X_VPSS_DACCLKEN;
                         writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
                 } else {
                         /*
diff --git a/arch/arm/mach-exynos/dma.c b/arch/arm/mach-exynos/dma.c
index 21d568b3b149..87e07d6fc615 100644
--- a/arch/arm/mach-exynos/dma.c
+++ b/arch/arm/mach-exynos/dma.c
@@ -275,6 +275,9 @@ static int __init exynos_dma_init(void)
                 exynos_pdma1_pdata.nr_valid_peri =
                         ARRAY_SIZE(exynos4210_pdma1_peri);
                 exynos_pdma1_pdata.peri_id = exynos4210_pdma1_peri;
+
+                if (samsung_rev() == EXYNOS4210_REV_0)
+                        exynos_mdma1_device.res.start = EXYNOS4_PA_S_MDMA1;
         } else if (soc_is_exynos4212() || soc_is_exynos4412()) {
                 exynos_pdma0_pdata.nr_valid_peri =
                         ARRAY_SIZE(exynos4212_pdma0_peri);
diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h
index 8480849affb9..ed4da4544cd2 100644
--- a/arch/arm/mach-exynos/include/mach/map.h
+++ b/arch/arm/mach-exynos/include/mach/map.h
@@ -90,6 +90,7 @@
 
 #define EXYNOS4_PA_MDMA0                0x10810000
 #define EXYNOS4_PA_MDMA1                0x12850000
+#define EXYNOS4_PA_S_MDMA1              0x12840000
 #define EXYNOS4_PA_PDMA0                0x12680000
 #define EXYNOS4_PA_PDMA1                0x12690000
 #define EXYNOS5_PA_MDMA0                0x10800000
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
index 48d5e41dfbfa..378590694447 100644
--- a/arch/arm/mach-omap2/board-igep0020.c
+++ b/arch/arm/mach-omap2/board-igep0020.c
@@ -580,6 +580,11 @@ static void __init igep_wlan_bt_init(void)
         } else
                 return;
 
+        /* Make sure that the GPIO pins are muxed correctly */
+        omap_mux_init_gpio(igep_wlan_bt_gpios[0].gpio, OMAP_PIN_OUTPUT);
+        omap_mux_init_gpio(igep_wlan_bt_gpios[1].gpio, OMAP_PIN_OUTPUT);
+        omap_mux_init_gpio(igep_wlan_bt_gpios[2].gpio, OMAP_PIN_OUTPUT);
+
         err = gpio_request_array(igep_wlan_bt_gpios,
                                  ARRAY_SIZE(igep_wlan_bt_gpios));
         if (err) {
diff --git a/arch/arm/mach-omap2/common-board-devices.c b/arch/arm/mach-omap2/common-board-devices.c
index 48daac2581b4..84551f205e46 100644
--- a/arch/arm/mach-omap2/common-board-devices.c
+++ b/arch/arm/mach-omap2/common-board-devices.c
@@ -64,30 +64,36 @@ void __init omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce,
         struct spi_board_info *spi_bi = &ads7846_spi_board_info;
         int err;
 
-        err = gpio_request_one(gpio_pendown, GPIOF_IN, "TSPenDown");
-        if (err) {
-                pr_err("Couldn't obtain gpio for TSPenDown: %d\n", err);
-                return;
-        }
+        /*
+         * If a board defines get_pendown_state() function, request the pendown
+         * GPIO and set the GPIO debounce time.
+         * If a board does not define the get_pendown_state() function, then
+         * the ads7846 driver will setup the pendown GPIO itself.
+         */
+        if (board_pdata && board_pdata->get_pendown_state) {
+                err = gpio_request_one(gpio_pendown, GPIOF_IN, "TSPenDown");
+                if (err) {
+                        pr_err("Couldn't obtain gpio for TSPenDown: %d\n", err);
+                        return;
+                }
 
-        if (gpio_debounce)
-                gpio_set_debounce(gpio_pendown, gpio_debounce);
+                if (gpio_debounce)
+                        gpio_set_debounce(gpio_pendown, gpio_debounce);
+
+                gpio_export(gpio_pendown, 0);
+        }
 
         spi_bi->bus_num = bus_num;
         spi_bi->irq     = gpio_to_irq(gpio_pendown);
 
+        ads7846_config.gpio_pendown = gpio_pendown;
+
         if (board_pdata) {
                 board_pdata->gpio_pendown = gpio_pendown;
+                board_pdata->gpio_pendown_debounce = gpio_debounce;
                 spi_bi->platform_data = board_pdata;
-                if (board_pdata->get_pendown_state)
-                        gpio_export(gpio_pendown, 0);
-        } else {
-                ads7846_config.gpio_pendown = gpio_pendown;
         }
 
-        if (!board_pdata || (board_pdata && !board_pdata->get_pendown_state))
-                gpio_free(gpio_pendown);
-
         spi_register_board_info(&ads7846_spi_board_info, 1);
 }
 #else
diff --git a/arch/arm/mach-omap2/twl-common.c b/arch/arm/mach-omap2/twl-common.c
index 44c42057b61c..a256135d8e48 100644
--- a/arch/arm/mach-omap2/twl-common.c
+++ b/arch/arm/mach-omap2/twl-common.c
@@ -73,6 +73,7 @@ void __init omap4_pmic_init(const char *pmic_type,
 {
         /* PMIC part*/
         omap_mux_init_signal("sys_nirq1", OMAP_PIN_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE);
+        omap_mux_init_signal("fref_clk0_out.sys_drm_msecure", OMAP_PIN_OUTPUT);
         omap_pmic_init(1, 400, pmic_type, 7 + OMAP44XX_IRQ_GIC_START, pmic_data);
 
         /* Register additional devices on i2c1 bus if needed */
diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c
index fd49aeda9eb8..5dede04f2f3e 100644
--- a/arch/parisc/kernel/signal32.c
+++ b/arch/parisc/kernel/signal32.c
@@ -65,7 +65,8 @@ put_sigset32(compat_sigset_t __user *up, sigset_t *set, size_t sz)
 {
         compat_sigset_t s;
 
-        if (sz != sizeof *set) panic("put_sigset32()");
+        if (sz != sizeof *set)
+                return -EINVAL;
         sigset_64to32(&s, set);
 
         return copy_to_user(up, &s, sizeof s);
@@ -77,7 +78,8 @@ get_sigset32(compat_sigset_t __user *up, sigset_t *set, size_t sz)
         compat_sigset_t s;
         int r;
 
-        if (sz != sizeof *set) panic("put_sigset32()");
+        if (sz != sizeof *set)
+                return -EINVAL;
 
         if ((r = copy_from_user(&s, up, sz)) == 0) {
                 sigset_32to64(set, &s);
diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c
index 7426e40699bd..f76c10863c62 100644
--- a/arch/parisc/kernel/sys_parisc.c
+++ b/arch/parisc/kernel/sys_parisc.c
@@ -73,6 +73,8 @@ static unsigned long get_shared_area(struct address_space *mapping,
         struct vm_area_struct *vma;
         int offset = mapping ? get_offset(mapping) : 0;
 
+        offset = (offset + (pgoff << PAGE_SHIFT)) & 0x3FF000;
+
         addr = DCACHE_ALIGN(addr - offset) + offset;
 
         for (vma = find_vma(current->mm, addr); ; vma = vma->vm_next) {
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index 867de2f8189c..689e1ba62809 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -295,9 +295,7 @@ void do_rt_sigreturn(struct pt_regs *regs)
                 err |= restore_fpu_state(regs, fpu_save);
 
         err |= __copy_from_user(&set, &sf->mask, sizeof(sigset_t));
-        err |= do_sigaltstack(&sf->stack, NULL, (unsigned long)sf);
-
-        if (err)
+        if (err || do_sigaltstack(&sf->stack, NULL, (unsigned long)sf) == -EFAULT)
                 goto segv;
 
         err |= __get_user(rwin_save, &sf->rwin_save);