Merge tag 'v3.13-rc8' into core/locking

Refresh the tree with the latest fixes, before applying new changes.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

23 files changed, 106 insertions, 53 deletions

diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index 9db5047812f3..177becde7a26 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -559,7 +559,7 @@
 			compatible = "arm,pl330", "arm,primecell";
 			reg = <0x10800000 0x1000>;
 			interrupts = <0 33 0>;
-			clocks = <&clock 271>;
+			clocks = <&clock 346>;
 			clock-names = "apb_pclk";
 			#dma-cells = <1>;
 			#dma-channels = <8>;
diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi
index ee845fad939b..9987dd0e9c59 100644
--- a/arch/arm/boot/dts/r8a7790.dtsi
+++ b/arch/arm/boot/dts/r8a7790.dtsi
@@ -87,9 +87,9 @@
 		interrupts = <1 9 0xf04>;
 	};
 
-	gpio0: gpio@ffc40000 {
+	gpio0: gpio@e6050000 {
 		compatible = "renesas,gpio-r8a7790", "renesas,gpio-rcar";
-		reg = <0 0xffc40000 0 0x2c>;
+		reg = <0 0xe6050000 0 0x50>;
 		interrupt-parent = <&gic>;
 		interrupts = <0 4 0x4>;
 		#gpio-cells = <2>;
@@ -99,9 +99,9 @@
 		interrupt-controller;
 	};
 
-	gpio1: gpio@ffc41000 {
+	gpio1: gpio@e6051000 {
 		compatible = "renesas,gpio-r8a7790", "renesas,gpio-rcar";
-		reg = <0 0xffc41000 0 0x2c>;
+		reg = <0 0xe6051000 0 0x50>;
 		interrupt-parent = <&gic>;
 		interrupts = <0 5 0x4>;
 		#gpio-cells = <2>;
@@ -111,9 +111,9 @@
 		interrupt-controller;
 	};
 
-	gpio2: gpio@ffc42000 {
+	gpio2: gpio@e6052000 {
 		compatible = "renesas,gpio-r8a7790", "renesas,gpio-rcar";
-		reg = <0 0xffc42000 0 0x2c>;
+		reg = <0 0xe6052000 0 0x50>;
 		interrupt-parent = <&gic>;
 		interrupts = <0 6 0x4>;
 		#gpio-cells = <2>;
@@ -123,9 +123,9 @@
 		interrupt-controller;
 	};
 
-	gpio3: gpio@ffc43000 {
+	gpio3: gpio@e6053000 {
 		compatible = "renesas,gpio-r8a7790", "renesas,gpio-rcar";
-		reg = <0 0xffc43000 0 0x2c>;
+		reg = <0 0xe6053000 0 0x50>;
 		interrupt-parent = <&gic>;
 		interrupts = <0 7 0x4>;
 		#gpio-cells = <2>;
@@ -135,9 +135,9 @@
 		interrupt-controller;
 	};
 
-	gpio4: gpio@ffc44000 {
+	gpio4: gpio@e6054000 {
 		compatible = "renesas,gpio-r8a7790", "renesas,gpio-rcar";
-		reg = <0 0xffc44000 0 0x2c>;
+		reg = <0 0xe6054000 0 0x50>;
 		interrupt-parent = <&gic>;
 		interrupts = <0 8 0x4>;
 		#gpio-cells = <2>;
@@ -147,9 +147,9 @@
 		interrupt-controller;
 	};
 
-	gpio5: gpio@ffc45000 {
+	gpio5: gpio@e6055000 {
 		compatible = "renesas,gpio-r8a7790", "renesas,gpio-rcar";
-		reg = <0 0xffc45000 0 0x2c>;
+		reg = <0 0xe6055000 0 0x50>;
 		interrupt-parent = <&gic>;
 		interrupts = <0 9 0x4>;
 		#gpio-cells = <2>;
@@ -241,7 +241,7 @@
 
 	sdhi0: sdhi@ee100000 {
 		compatible = "renesas,sdhi-r8a7790";
-		reg = <0 0xee100000 0 0x100>;
+		reg = <0 0xee100000 0 0x200>;
 		interrupt-parent = <&gic>;
 		interrupts = <0 165 4>;
 		cap-sd-highspeed;
@@ -250,7 +250,7 @@
 
 	sdhi1: sdhi@ee120000 {
 		compatible = "renesas,sdhi-r8a7790";
-		reg = <0 0xee120000 0 0x100>;
+		reg = <0 0xee120000 0 0x200>;
 		interrupt-parent = <&gic>;
 		interrupts = <0 166 4>;
 		cap-sd-highspeed;
diff --git a/arch/arm/crypto/aesbs-core.S_shipped b/arch/arm/crypto/aesbs-core.S_shipped
index 64205d453260..71e5fc7cfb18 100644
--- a/arch/arm/crypto/aesbs-core.S_shipped
+++ b/arch/arm/crypto/aesbs-core.S_shipped
@@ -58,7 +58,7 @@
 # define VFP_ABI_FRAME	0
 # define BSAES_ASM_EXTENDED_KEY
 # define XTS_CHAIN_TWEAK
-# define __ARM_ARCH__ __LINUX_ARM_ARCH__
+# define __ARM_ARCH__	7
 #endif
 
 #ifdef __thumb__
diff --git a/arch/arm/crypto/bsaes-armv7.pl b/arch/arm/crypto/bsaes-armv7.pl
index f3d96d932573..be068db960ee 100644
--- a/arch/arm/crypto/bsaes-armv7.pl
+++ b/arch/arm/crypto/bsaes-armv7.pl
@@ -701,7 +701,7 @@ $code.=<<___;
 # define VFP_ABI_FRAME	0
 # define BSAES_ASM_EXTENDED_KEY
 # define XTS_CHAIN_TWEAK
-# define __ARM_ARCH__ __LINUX_ARM_ARCH__
+# define __ARM_ARCH__	7
 #endif
 
 #ifdef __thumb__
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index 3c597c222ef2..fbeb39c869e9 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -329,7 +329,7 @@ extern void _memset_io(volatile void __iomem *, int, size_t);
  */
 #define ioremap(cookie,size)		__arm_ioremap((cookie), (size), MT_DEVICE)
 #define ioremap_nocache(cookie,size)	__arm_ioremap((cookie), (size), MT_DEVICE)
-#define ioremap_cached(cookie,size)	__arm_ioremap((cookie), (size), MT_DEVICE_CACHED)
+#define ioremap_cache(cookie,size)	__arm_ioremap((cookie), (size), MT_DEVICE_CACHED)
 #define ioremap_wc(cookie,size)		__arm_ioremap((cookie), (size), MT_DEVICE_WC)
 #define iounmap				__arm_iounmap
 
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 6976b03e5213..8756e4bcdba0 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -347,7 +347,8 @@ static inline __deprecated void *bus_to_virt(unsigned long x)
 #define ARCH_PFN_OFFSET		PHYS_PFN_OFFSET
 
 #define virt_to_page(kaddr)	pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
-#define virt_addr_valid(kaddr)	((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory)
+#define virt_addr_valid(kaddr)	(((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory) \
+					&& pfn_valid(__pa(kaddr) >> PAGE_SHIFT) )
 
 #endif
 
diff --git a/arch/arm/include/asm/xen/page.h b/arch/arm/include/asm/xen/page.h
index 75579a9d6f76..3759cacdd7f8 100644
--- a/arch/arm/include/asm/xen/page.h
+++ b/arch/arm/include/asm/xen/page.h
@@ -117,6 +117,6 @@ static inline bool set_phys_to_machine(unsigned long pfn, unsigned long mfn)
 	return __set_phys_to_machine(pfn, mfn);
 }
 
-#define xen_remap(cookie, size) ioremap_cached((cookie), (size));
+#define xen_remap(cookie, size) ioremap_cache((cookie), (size));
 
 #endif /* _ASM_ARM_XEN_PAGE_H */
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 7940241f0576..6eda3bf85c52 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -36,7 +36,13 @@
 #include <asm/system_misc.h>
 #include <asm/opcodes.h>
 
-static const char *handler[]= { "prefetch abort", "data abort", "address exception", "interrupt" };
+static const char *handler[]= {
+	"prefetch abort",
+	"data abort",
+	"address exception",
+	"interrupt",
+	"undefined instruction",
+};
 
 void *vectors_page;
 
diff --git a/arch/arm/mach-footbridge/dc21285-timer.c b/arch/arm/mach-footbridge/dc21285-timer.c
index 9ee78f7b4990..782f6c71fa0a 100644
--- a/arch/arm/mach-footbridge/dc21285-timer.c
+++ b/arch/arm/mach-footbridge/dc21285-timer.c
@@ -96,11 +96,12 @@ static struct irqaction footbridge_timer_irq = {
 void __init footbridge_timer_init(void)
 {
 	struct clock_event_device *ce = &ckevt_dc21285;
+	unsigned rate = DIV_ROUND_CLOSEST(mem_fclk_21285, 16);
 
-	clocksource_register_hz(&cksrc_dc21285, (mem_fclk_21285 + 8) / 16);
+	clocksource_register_hz(&cksrc_dc21285, rate);
 
 	setup_irq(ce->irq, &footbridge_timer_irq);
 
 	ce->cpumask = cpumask_of(smp_processor_id());
-	clockevents_config_and_register(ce, mem_fclk_21285, 0x4, 0xffffff);
+	clockevents_config_and_register(ce, rate, 0x4, 0xffffff);
 }
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index 4ec8d82b0492..44a59c3abfb0 100644
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -242,12 +242,18 @@ static void __init ldp_display_init(void)
 
 static int ldp_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio)
 {
+	int res;
+
 	/* LCD enable GPIO */
 	ldp_lcd_pdata.enable_gpio = gpio + 7;
 
 	/* Backlight enable GPIO */
 	ldp_lcd_pdata.backlight_gpio = gpio + 15;
 
+	res = platform_device_register(&ldp_lcd_device);
+	if (res)
+		pr_err("Unable to register LCD: %d\n", res);
+
 	return 0;
 }
 
@@ -346,7 +352,6 @@ static struct omap2_hsmmc_info mmc[] __initdata = {
 
 static struct platform_device *ldp_devices[] __initdata = {
 	&ldp_gpio_keys_device,
-	&ldp_lcd_device,
 };
 
 #ifdef CONFIG_OMAP_MUX
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index 58347bb874a0..4cf165502b35 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -101,13 +101,51 @@ static const struct omap_dss_hwmod_data omap4_dss_hwmod_data[] __initconst = {
 	{ "dss_hdmi", "omapdss_hdmi", -1 },
 };
 
+static int omap4_dsi_mux_pads(int dsi_id, unsigned lanes)
+{
+	u32 enable_mask, enable_shift;
+	u32 pipd_mask, pipd_shift;
+	u32 reg;
+
+	if (dsi_id == 0) {
+		enable_mask = OMAP4_DSI1_LANEENABLE_MASK;
+		enable_shift = OMAP4_DSI1_LANEENABLE_SHIFT;
+		pipd_mask = OMAP4_DSI1_PIPD_MASK;
+		pipd_shift = OMAP4_DSI1_PIPD_SHIFT;
+	} else if (dsi_id == 1) {
+		enable_mask = OMAP4_DSI2_LANEENABLE_MASK;
+		enable_shift = OMAP4_DSI2_LANEENABLE_SHIFT;
+		pipd_mask = OMAP4_DSI2_PIPD_MASK;
+		pipd_shift = OMAP4_DSI2_PIPD_SHIFT;
+	} else {
+		return -ENODEV;
+	}
+
+	reg = omap4_ctrl_pad_readl(OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_DSIPHY);
+
+	reg &= ~enable_mask;
+	reg &= ~pipd_mask;
+
+	reg |= (lanes << enable_shift) & enable_mask;
+	reg |= (lanes << pipd_shift) & pipd_mask;
+
+	omap4_ctrl_pad_writel(reg, OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_DSIPHY);
+
+	return 0;
+}
+
 static int omap_dsi_enable_pads(int dsi_id, unsigned lane_mask)
 {
+	if (cpu_is_omap44xx())
+		return omap4_dsi_mux_pads(dsi_id, lane_mask);
+
 	return 0;
 }
 
 static void omap_dsi_disable_pads(int dsi_id, unsigned lane_mask)
 {
+	if (cpu_is_omap44xx())
+		omap4_dsi_mux_pads(dsi_id, 0);
 }
 
 static int omap_dss_set_min_bus_tput(struct device *dev, unsigned long tput)
diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
index 56cebb05509e..d23c77fadb31 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
@@ -796,7 +796,7 @@ struct omap_hwmod omap2xxx_counter_32k_hwmod = {
 
 /* gpmc */
 static struct omap_hwmod_irq_info omap2xxx_gpmc_irqs[] = {
-	{ .irq = 20 },
+	{ .irq = 20 + OMAP_INTC_START, },
 	{ .irq = -1 }
 };
 
@@ -841,7 +841,7 @@ static struct omap_hwmod_class omap2_rng_hwmod_class = {
 };
 
 static struct omap_hwmod_irq_info omap2_rng_mpu_irqs[] = {
-	{ .irq = 52 },
+	{ .irq = 52 + OMAP_INTC_START, },
 	{ .irq = -1 }
 };
 
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index d33742908f97..4c3b1e6df508 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -2165,7 +2165,7 @@ static struct omap_hwmod_class omap3xxx_gpmc_hwmod_class = {
 };
 
 static struct omap_hwmod_irq_info omap3xxx_gpmc_irqs[] = {
-	{ .irq = 20 },
+	{ .irq = 20 + OMAP_INTC_START, },
 	{ .irq = -1 }
 };
 
@@ -2999,7 +2999,7 @@ static struct omap_mmu_dev_attr mmu_isp_dev_attr = {
 
 static struct omap_hwmod omap3xxx_mmu_isp_hwmod;
 static struct omap_hwmod_irq_info omap3xxx_mmu_isp_irqs[] = {
-	{ .irq = 24 },
+	{ .irq = 24 + OMAP_INTC_START, },
 	{ .irq = -1 }
 };
 
@@ -3041,7 +3041,7 @@ static struct omap_mmu_dev_attr mmu_iva_dev_attr = {
 
 static struct omap_hwmod omap3xxx_mmu_iva_hwmod;
 static struct omap_hwmod_irq_info omap3xxx_mmu_iva_irqs[] = {
-	{ .irq = 28 },
+	{ .irq = 28 + OMAP_INTC_START, },
 	{ .irq = -1 }
 };
 
diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
index db32d5380b11..18f333c440db 100644
--- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
@@ -1637,7 +1637,7 @@ static struct omap_hwmod dra7xx_uart1_hwmod = {
 	.class		= &dra7xx_uart_hwmod_class,
 	.clkdm_name	= "l4per_clkdm",
 	.main_clk	= "uart1_gfclk_mux",
-	.flags		= HWMOD_SWSUP_SIDLE_ACT,
+	.flags		= HWMOD_SWSUP_SIDLE_ACT | DEBUG_OMAP2UART1_FLAGS,
 	.prcm = {
 		.omap4 = {
 			.clkctrl_offs = DRA7XX_CM_L4PER_UART1_CLKCTRL_OFFSET,
diff --git a/arch/arm/mach-pxa/include/mach/lubbock.h b/arch/arm/mach-pxa/include/mach/lubbock.h
index 2a086e8373eb..958cd6af9384 100644
--- a/arch/arm/mach-pxa/include/mach/lubbock.h
+++ b/arch/arm/mach-pxa/include/mach/lubbock.h
@@ -10,6 +10,8 @@
  * published by the Free Software Foundation.
  */
 
+#include <mach/irqs.h>
+
 #define LUBBOCK_ETH_PHYS	PXA_CS3_PHYS
 
 #define LUBBOCK_FPGA_PHYS	PXA_CS2_PHYS
diff --git a/arch/arm/mach-s3c64xx/mach-s3c64xx-dt.c b/arch/arm/mach-s3c64xx/mach-s3c64xx-dt.c
index 7eb9a10fc1af..2fddf38192df 100644
--- a/arch/arm/mach-s3c64xx/mach-s3c64xx-dt.c
+++ b/arch/arm/mach-s3c64xx/mach-s3c64xx-dt.c
@@ -8,8 +8,6 @@
  * published by the Free Software Foundation.
 */
 
-#include <linux/clk-provider.h>
-#include <linux/irqchip.h>
 #include <linux/of_platform.h>
 
 #include <asm/mach/arch.h>
@@ -48,15 +46,9 @@ static void __init s3c64xx_dt_map_io(void)
 		panic("SoC is not S3C64xx!");
 }
 
-static void __init s3c64xx_dt_init_irq(void)
-{
-	of_clk_init(NULL);
-	samsung_wdt_reset_of_init();
-	irqchip_init();
-};
-
 static void __init s3c64xx_dt_init_machine(void)
 {
+	samsung_wdt_reset_of_init();
 	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
 }
 
@@ -79,7 +71,6 @@ DT_MACHINE_START(S3C6400_DT, "Samsung S3C64xx (Flattened Device Tree)")
 	/* Maintainer: Tomasz Figa <tomasz.figa@gmail.com> */
 	.dt_compat	= s3c64xx_dt_compat,
 	.map_io		= s3c64xx_dt_map_io,
-	.init_irq	= s3c64xx_dt_init_irq,
 	.init_machine	= s3c64xx_dt_init_machine,
 	.restart        = s3c64xx_dt_restart,
 MACHINE_END
diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c
index 958e3cbf0ac2..8ea87bd45c33 100644
--- a/arch/arm/mach-shmobile/board-armadillo800eva.c
+++ b/arch/arm/mach-shmobile/board-armadillo800eva.c
@@ -483,7 +483,7 @@ static struct platform_device lcdc0_device = {
 	.id		= 0,
 	.dev	= {
 		.platform_data	= &lcdc0_info,
-		.coherent_dma_mask = ~0,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
 	},
 };
 
@@ -580,7 +580,7 @@ static struct platform_device hdmi_lcdc_device = {
 	.id		= 1,
 	.dev	= {
 		.platform_data	= &hdmi_lcdc_info,
-		.coherent_dma_mask = ~0,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
 	},
 };
 
@@ -614,6 +614,11 @@ static struct regulator_consumer_supply fixed3v3_power_consumers[] = {
 	REGULATOR_SUPPLY("vqmmc", "sh_mmcif"),
 };
 
+/* Fixed 3.3V regulator used by LCD backlight */
+static struct regulator_consumer_supply fixed5v0_power_consumers[] = {
+	REGULATOR_SUPPLY("power", "pwm-backlight.0"),
+};
+
 /* Fixed 3.3V regulator to be used by SDHI0 */
 static struct regulator_consumer_supply vcc_sdhi0_consumers[] = {
 	REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
@@ -1196,6 +1201,8 @@ static void __init eva_init(void)
 
 	regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
 				     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
+	regulator_register_always_on(3, "fixed-5.0V", fixed5v0_power_consumers,
+				     ARRAY_SIZE(fixed5v0_power_consumers), 5000000);
 
 	pinctrl_register_mappings(eva_pinctrl_map, ARRAY_SIZE(eva_pinctrl_map));
 	pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup));
diff --git a/arch/arm/mach-shmobile/board-bockw.c b/arch/arm/mach-shmobile/board-bockw.c
index 38611526fe9a..3c4995aebd22 100644
--- a/arch/arm/mach-shmobile/board-bockw.c
+++ b/arch/arm/mach-shmobile/board-bockw.c
@@ -679,7 +679,7 @@ static void __init bockw_init(void)
 			.id             = i,
 			.data           = &rsnd_card_info[i],
 			.size_data      = sizeof(struct asoc_simple_card_info),
-			.dma_mask       = ~0,
+			.dma_mask	= DMA_BIT_MASK(32),
 		};
 
 		platform_device_register_full(&cardinfo);
diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c
index fe689b7fdc9e..bc40b853ffd3 100644
--- a/arch/arm/mach-shmobile/board-kzm9g.c
+++ b/arch/arm/mach-shmobile/board-kzm9g.c
@@ -334,7 +334,7 @@ static struct platform_device lcdc_device = {
 	.resource	= lcdc_resources,
 	.dev	= {
 		.platform_data	= &lcdc_info,
-		.coherent_dma_mask = ~0,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
 	},
 };
 
diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c
index a8d3ce646fb9..e0406fd37390 100644
--- a/arch/arm/mach-shmobile/board-lager.c
+++ b/arch/arm/mach-shmobile/board-lager.c
@@ -245,7 +245,9 @@ static void __init lager_init(void)
 {
 	lager_add_standard_devices();
 
-	phy_register_fixup_for_id("r8a7790-ether-ff:01", lager_ksz8041_fixup);
+	if (IS_ENABLED(CONFIG_PHYLIB))
+		phy_register_fixup_for_id("r8a7790-ether-ff:01",
+					  lager_ksz8041_fixup);
 }
 
 static const char * const lager_boards_compat_dt[] __initconst = {
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index af06753eb809..e721d2ccceae 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -409,7 +409,7 @@ static struct platform_device lcdc_device = {
 	.resource	= lcdc_resources,
 	.dev	= {
 		.platform_data	= &lcdc_info,
-		.coherent_dma_mask = ~0,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
 	},
 };
 
@@ -499,7 +499,7 @@ static struct platform_device hdmi_lcdc_device = {
 	.id		= 1,
 	.dev	= {
 		.platform_data	= &hdmi_lcdc_info,
-		.coherent_dma_mask = ~0,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
 	},
 };
 
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c
index 6d5ba9afb16a..3387e60e4ea3 100644
--- a/arch/arm/mm/flush.c
+++ b/arch/arm/mm/flush.c
@@ -175,16 +175,16 @@ void __flush_dcache_page(struct address_space *mapping, struct page *page)
 		unsigned long i;
 		if (cache_is_vipt_nonaliasing()) {
 			for (i = 0; i < (1 << compound_order(page)); i++) {
-				void *addr = kmap_atomic(page);
+				void *addr = kmap_atomic(page + i);
 				__cpuc_flush_dcache_area(addr, PAGE_SIZE);
 				kunmap_atomic(addr);
 			}
 		} else {
 			for (i = 0; i < (1 << compound_order(page)); i++) {
-				void *addr = kmap_high_get(page);
+				void *addr = kmap_high_get(page + i);
 				if (addr) {
 					__cpuc_flush_dcache_area(addr, PAGE_SIZE);
-					kunmap_high(page);
+					kunmap_high(page + i);
 				}
 			}
 		}
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index 83e4f959ee47..85501238b425 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -96,7 +96,7 @@ static int remap_pte_fn(pte_t *ptep, pgtable_t token, unsigned long addr,
 	struct remap_data *info = data;
 	struct page *page = info->pages[info->index++];
 	unsigned long pfn = page_to_pfn(page);
-	pte_t pte = pfn_pte(pfn, info->prot);
+	pte_t pte = pte_mkspecial(pfn_pte(pfn, info->prot));
 
 	if (map_foreign_page(pfn, info->fgmfn, info->domid))
 		return -EFAULT;
@@ -224,10 +224,10 @@ static int __init xen_guest_init(void)
 	}
 	if (of_address_to_resource(node, GRANT_TABLE_PHYSADDR, &res))
 		return 0;
-	xen_hvm_resume_frames = res.start >> PAGE_SHIFT;
+	xen_hvm_resume_frames = res.start;
 	xen_events_irq = irq_of_parse_and_map(node, 0);
 	pr_info("Xen %s support found, events_irq=%d gnttab_frame_pfn=%lx\n",
-			version, xen_events_irq, xen_hvm_resume_frames);
+			version, xen_events_irq, (xen_hvm_resume_frames >> PAGE_SHIFT));
 	xen_domain_type = XEN_HVM_DOMAIN;
 
 	xen_setup_features();