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-rw-r--r--arch/arm/Kconfig8
-rw-r--r--arch/arm/boot/dts/am57xx-beagle-x15.dts3
-rw-r--r--arch/arm/boot/dts/armada-385-db-ap.dts2
-rw-r--r--arch/arm/boot/dts/berlin2q.dtsi6
-rw-r--r--arch/arm/boot/dts/emev2-kzm9d.dts8
-rw-r--r--arch/arm/boot/dts/exynos5420-peach-pit.dts5
-rw-r--r--arch/arm/boot/dts/exynos5800-peach-pi.dts5
-rw-r--r--arch/arm/boot/dts/imx7d.dtsi4
-rw-r--r--arch/arm/boot/dts/kirkwood-net5big.dts60
-rw-r--r--arch/arm/boot/dts/kirkwood-netxbig.dtsi80
-rw-r--r--arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts2
-rw-r--r--arch/arm/boot/dts/meson.dtsi23
-rw-r--r--arch/arm/boot/dts/omap3-evm-37xx.dts2
-rw-r--r--arch/arm/boot/dts/rk3288-veyron-sdmmc.dtsi7
-rw-r--r--arch/arm/boot/dts/rk3288-veyron.dtsi6
-rw-r--r--arch/arm/boot/dts/rk3288.dtsi20
-rw-r--r--arch/arm/boot/dts/sama5d2.dtsi14
-rw-r--r--arch/arm/boot/dts/ste-hrefv60plus.dtsi2
-rw-r--r--arch/arm/boot/dts/ste-snowball.dts10
-rw-r--r--arch/arm/boot/dts/tegra114.dtsi2
-rw-r--r--arch/arm/boot/dts/tegra124.dtsi2
-rw-r--r--arch/arm/boot/dts/tegra20.dtsi2
-rw-r--r--arch/arm/boot/dts/tegra30.dtsi2
-rw-r--r--arch/arm/boot/dts/uniphier-ph1-ld6b-ref.dts2
-rw-r--r--arch/arm/configs/exynos_defconfig1
-rw-r--r--arch/arm/configs/hisi_defconfig1
-rw-r--r--arch/arm/configs/lpc18xx_defconfig1
-rw-r--r--arch/arm/include/asm/cmpxchg.h12
-rw-r--r--arch/arm/include/asm/irqflags.h10
-rw-r--r--arch/arm/include/asm/mach/arch.h2
-rw-r--r--arch/arm/include/asm/memory.h2
-rw-r--r--arch/arm/include/asm/pgtable.h2
-rw-r--r--arch/arm/include/asm/smp.h4
-rw-r--r--arch/arm/include/asm/unistd.h7
-rw-r--r--arch/arm/kernel/devtree.c12
-rw-r--r--arch/arm/kernel/entry-armv.S33
-rw-r--r--arch/arm/kernel/hw_breakpoint.c1
-rw-r--r--arch/arm/kernel/kgdb.c31
-rw-r--r--arch/arm/kernel/smp.c12
-rw-r--r--arch/arm/kernel/smp_twd.c11
-rw-r--r--arch/arm/kernel/traps.c52
-rw-r--r--arch/arm/kvm/Kconfig1
-rw-r--r--arch/arm/kvm/arm.c2
-rw-r--r--arch/arm/lib/clear_user.S4
-rw-r--r--arch/arm/mach-exynos/pm_domains.c8
-rw-r--r--arch/arm/mach-mvebu/Kconfig7
-rw-r--r--arch/arm/mach-mvebu/Makefile1
-rw-r--r--arch/arm/mach-mvebu/board.h21
-rw-r--r--arch/arm/mach-mvebu/kirkwood.c4
-rw-r--r--arch/arm/mach-mvebu/netxbig.c191
-rw-r--r--arch/arm/mach-omap2/Kconfig2
-rw-r--r--arch/arm/mach-omap2/board-generic.c10
-rw-r--r--arch/arm/mach-omap2/pdata-quirks.c9
-rw-r--r--arch/arm/mach-pxa/pxa3xx.c9
-rw-r--r--arch/arm/mm/Kconfig12
-rw-r--r--arch/arm/mm/dma-mapping.c7
-rw-r--r--arch/arm/mm/fault.c22
-rw-r--r--arch/arm/mm/fault.h1
-rw-r--r--arch/arm/mm/mmu.c4
-rw-r--r--arch/arm/net/bpf_jit_32.c1
-rw-r--r--arch/arm/plat-orion/common.c2
-rw-r--r--arch/arm/vdso/vdsomunge.c17
62 files changed, 386 insertions, 420 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 0d72535ed01d..f1ed1109f488 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -645,6 +645,7 @@ config ARCH_SHMOBILE_LEGACY
config ARCH_RPC
bool "RiscPC"
+ depends on MMU
select ARCH_ACORN
select ARCH_MAY_HAVE_PC_FDC
select ARCH_SPARSEMEM_ENABLE
@@ -1411,7 +1412,6 @@ config HAVE_ARM_ARCH_TIMER
config HAVE_ARM_TWD
bool
- depends on SMP
select CLKSRC_OF if OF
help
This options enables support for the ARM timer and watchdog unit
@@ -1471,6 +1471,8 @@ choice
config VMSPLIT_3G
bool "3G/1G user/kernel split"
+ config VMSPLIT_3G_OPT
+ bool "3G/1G user/kernel split (for full 1G low memory)"
config VMSPLIT_2G
bool "2G/2G user/kernel split"
config VMSPLIT_1G
@@ -1482,6 +1484,7 @@ config PAGE_OFFSET
default PHYS_OFFSET if !MMU
default 0x40000000 if VMSPLIT_1G
default 0x80000000 if VMSPLIT_2G
+ default 0xB0000000 if VMSPLIT_3G_OPT
default 0xC0000000
config NR_CPUS
@@ -1696,8 +1699,9 @@ config HIGHMEM
If unsure, say n.
config HIGHPTE
- bool "Allocate 2nd-level pagetables from highmem"
+ bool "Allocate 2nd-level pagetables from highmem" if EXPERT
depends on HIGHMEM
+ default y
help
The VM uses one page of physical memory for each page table.
For systems with a lot of processes, this can use a lot of
diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts
index 568adf5efde0..d55e3ea89fda 100644
--- a/arch/arm/boot/dts/am57xx-beagle-x15.dts
+++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts
@@ -402,11 +402,12 @@
/* SMPS9 unused */
ldo1_reg: ldo1 {
- /* VDD_SD */
+ /* VDD_SD / VDDSHV8 */
regulator-name = "ldo1";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
+ regulator-always-on;
};
ldo2_reg: ldo2 {
diff --git a/arch/arm/boot/dts/armada-385-db-ap.dts b/arch/arm/boot/dts/armada-385-db-ap.dts
index 89f5a95954ed..4047621b137e 100644
--- a/arch/arm/boot/dts/armada-385-db-ap.dts
+++ b/arch/arm/boot/dts/armada-385-db-ap.dts
@@ -46,7 +46,7 @@
/ {
model = "Marvell Armada 385 Access Point Development Board";
- compatible = "marvell,a385-db-ap", "marvell,armada385", "marvell,armada38x";
+ compatible = "marvell,a385-db-ap", "marvell,armada385", "marvell,armada380";
chosen {
stdout-path = "serial1:115200n8";
diff --git a/arch/arm/boot/dts/berlin2q.dtsi b/arch/arm/boot/dts/berlin2q.dtsi
index 63a48490e2f9..d4dbd28d348c 100644
--- a/arch/arm/boot/dts/berlin2q.dtsi
+++ b/arch/arm/boot/dts/berlin2q.dtsi
@@ -152,7 +152,7 @@
};
usb_phy2: phy@a2f400 {
- compatible = "marvell,berlin2-usb-phy";
+ compatible = "marvell,berlin2cd-usb-phy";
reg = <0xa2f400 0x128>;
#phy-cells = <0>;
resets = <&chip_rst 0x104 14>;
@@ -170,7 +170,7 @@
};
usb_phy0: phy@b74000 {
- compatible = "marvell,berlin2-usb-phy";
+ compatible = "marvell,berlin2cd-usb-phy";
reg = <0xb74000 0x128>;
#phy-cells = <0>;
resets = <&chip_rst 0x104 12>;
@@ -178,7 +178,7 @@
};
usb_phy1: phy@b78000 {
- compatible = "marvell,berlin2-usb-phy";
+ compatible = "marvell,berlin2cd-usb-phy";
reg = <0xb78000 0x128>;
#phy-cells = <0>;
resets = <&chip_rst 0x104 13>;
diff --git a/arch/arm/boot/dts/emev2-kzm9d.dts b/arch/arm/boot/dts/emev2-kzm9d.dts
index 955c24ee4a8c..8c24975e8f9d 100644
--- a/arch/arm/boot/dts/emev2-kzm9d.dts
+++ b/arch/arm/boot/dts/emev2-kzm9d.dts
@@ -35,28 +35,28 @@
button@1 {
debounce_interval = <50>;
- wakeup = <1>;
+ wakeup-source;
label = "DSW2-1";
linux,code = <KEY_1>;
gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
};
button@2 {
debounce_interval = <50>;
- wakeup = <1>;
+ wakeup-source;
label = "DSW2-2";
linux,code = <KEY_2>;
gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
};
button@3 {
debounce_interval = <50>;
- wakeup = <1>;
+ wakeup-source;
label = "DSW2-3";
linux,code = <KEY_3>;
gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
};
button@4 {
debounce_interval = <50>;
- wakeup = <1>;
+ wakeup-source;
label = "DSW2-4";
linux,code = <KEY_4>;
gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>;
diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts b/arch/arm/boot/dts/exynos5420-peach-pit.dts
index 8f4d76c5e11c..1b95da79293c 100644
--- a/arch/arm/boot/dts/exynos5420-peach-pit.dts
+++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts
@@ -915,6 +915,11 @@
};
};
+&pmu_system_controller {
+ assigned-clocks = <&pmu_system_controller 0>;
+ assigned-clock-parents = <&clock CLK_FIN_PLL>;
+};
+
&rtc {
status = "okay";
clocks = <&clock CLK_RTC>, <&max77802 MAX77802_CLK_32K_AP>;
diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts
index 7d5b386b5ae6..8f40c7e549bd 100644
--- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
+++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
@@ -878,6 +878,11 @@
};
};
+&pmu_system_controller {
+ assigned-clocks = <&pmu_system_controller 0>;
+ assigned-clock-parents = <&clock CLK_FIN_PLL>;
+};
+
&rtc {
status = "okay";
clocks = <&clock CLK_RTC>, <&max77802 MAX77802_CLK_32K_AP>;
diff --git a/arch/arm/boot/dts/imx7d.dtsi b/arch/arm/boot/dts/imx7d.dtsi
index b738ce0f9d9b..6e444bb873f9 100644
--- a/arch/arm/boot/dts/imx7d.dtsi
+++ b/arch/arm/boot/dts/imx7d.dtsi
@@ -588,10 +588,10 @@
status = "disabled";
};
- uart2: serial@30870000 {
+ uart2: serial@30890000 {
compatible = "fsl,imx7d-uart",
"fsl,imx6q-uart";
- reg = <0x30870000 0x10000>;
+ reg = <0x30890000 0x10000>;
interrupts = <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clks IMX7D_UART2_ROOT_CLK>,
<&clks IMX7D_UART2_ROOT_CLK>;
diff --git a/arch/arm/boot/dts/kirkwood-net5big.dts b/arch/arm/boot/dts/kirkwood-net5big.dts
index 36155b749d9f..d2d44df9c8c0 100644
--- a/arch/arm/boot/dts/kirkwood-net5big.dts
+++ b/arch/arm/boot/dts/kirkwood-net5big.dts
@@ -86,6 +86,66 @@
clock-frequency = <32768>;
};
};
+
+ netxbig-leds {
+ blue-sata2 {
+ label = "netxbig:blue:sata2";
+ mode-addr = <5>;
+ mode-val = <NETXBIG_LED_OFF 0
+ NETXBIG_LED_ON 7
+ NETXBIG_LED_SATA 1
+ NETXBIG_LED_TIMER1 3>;
+ bright-addr = <2>;
+ max-brightness = <7>;
+ };
+ red-sata2 {
+ label = "netxbig:red:sata2";
+ mode-addr = <5>;
+ mode-val = <NETXBIG_LED_OFF 0
+ NETXBIG_LED_ON 2
+ NETXBIG_LED_TIMER1 4>;
+ bright-addr = <2>;
+ max-brightness = <7>;
+ };
+ blue-sata3 {
+ label = "netxbig:blue:sata3";
+ mode-addr = <6>;
+ mode-val = <NETXBIG_LED_OFF 0
+ NETXBIG_LED_ON 7
+ NETXBIG_LED_SATA 1
+ NETXBIG_LED_TIMER1 3>;
+ bright-addr = <2>;
+ max-brightness = <7>;
+ };
+ red-sata3 {
+ label = "netxbig:red:sata3";
+ mode-addr = <6>;
+ mode-val = <NETXBIG_LED_OFF 0
+ NETXBIG_LED_ON 2
+ NETXBIG_LED_TIMER1 4>;
+ bright-addr = <2>;
+ max-brightness = <7>;
+ };
+ blue-sata4 {
+ label = "netxbig:blue:sata4";
+ mode-addr = <7>;
+ mode-val = <NETXBIG_LED_OFF 0
+ NETXBIG_LED_ON 7
+ NETXBIG_LED_SATA 1
+ NETXBIG_LED_TIMER1 3>;
+ bright-addr = <2>;
+ max-brightness = <7>;
+ };
+ red-sata4 {
+ label = "netxbig:red:sata4";
+ mode-addr = <7>;
+ mode-val = <NETXBIG_LED_OFF 0
+ NETXBIG_LED_ON 2
+ NETXBIG_LED_TIMER1 4>;
+ bright-addr = <2>;
+ max-brightness = <7>;
+ };
+ };
};
&mdio {
diff --git a/arch/arm/boot/dts/kirkwood-netxbig.dtsi b/arch/arm/boot/dts/kirkwood-netxbig.dtsi
index 1508b12147df..62515a8b99b9 100644
--- a/arch/arm/boot/dts/kirkwood-netxbig.dtsi
+++ b/arch/arm/boot/dts/kirkwood-netxbig.dtsi
@@ -13,6 +13,7 @@
* warranty of any kind, whether express or implied.
*/
+#include <dt-bindings/leds/leds-netxbig.h>
#include "kirkwood.dtsi"
#include "kirkwood-6281.dtsi"
@@ -105,6 +106,85 @@
gpio = <&gpio0 16 GPIO_ACTIVE_HIGH>;
};
};
+
+ netxbig_gpio_ext: netxbig-gpio-ext {
+ compatible = "lacie,netxbig-gpio-ext";
+
+ addr-gpios = <&gpio1 15 GPIO_ACTIVE_HIGH
+ &gpio1 16 GPIO_ACTIVE_HIGH
+ &gpio1 17 GPIO_ACTIVE_HIGH>;
+ data-gpios = <&gpio1 12 GPIO_ACTIVE_HIGH
+ &gpio1 13 GPIO_ACTIVE_HIGH
+ &gpio1 14 GPIO_ACTIVE_HIGH>;
+ enable-gpio = <&gpio0 29 GPIO_ACTIVE_HIGH>;
+ };
+
+ netxbig-leds {
+ compatible = "lacie,netxbig-leds";
+
+ gpio-ext = <&netxbig_gpio_ext>;
+
+ timers = <NETXBIG_LED_TIMER1 500 500
+ NETXBIG_LED_TIMER2 500 1000>;
+
+ blue-power {
+ label = "netxbig:blue:power";
+ mode-addr = <0>;
+ mode-val = <NETXBIG_LED_OFF 0
+ NETXBIG_LED_ON 1
+ NETXBIG_LED_TIMER1 3
+ NETXBIG_LED_TIMER2 7>;
+ bright-addr = <1>;
+ max-brightness = <7>;
+ };
+ red-power {
+ label = "netxbig:red:power";
+ mode-addr = <0>;
+ mode-val = <NETXBIG_LED_OFF 0
+ NETXBIG_LED_ON 2
+ NETXBIG_LED_TIMER1 4>;
+ bright-addr = <1>;
+ max-brightness = <7>;
+ };
+ blue-sata0 {
+ label = "netxbig:blue:sata0";
+ mode-addr = <3>;
+ mode-val = <NETXBIG_LED_OFF 0
+ NETXBIG_LED_ON 7
+ NETXBIG_LED_SATA 1
+ NETXBIG_LED_TIMER1 3>;
+ bright-addr = <2>;
+ max-brightness = <7>;
+ };
+ red-sata0 {
+ label = "netxbig:red:sata0";
+ mode-addr = <3>;
+ mode-val = <NETXBIG_LED_OFF 0
+ NETXBIG_LED_ON 2
+ NETXBIG_LED_TIMER1 4>;
+ bright-addr = <2>;
+ max-brightness = <7>;
+ };
+ blue-sata1 {
+ label = "netxbig:blue:sata1";
+ mode-addr = <4>;
+ mode-val = <NETXBIG_LED_OFF 0
+ NETXBIG_LED_ON 7
+ NETXBIG_LED_SATA 1
+ NETXBIG_LED_TIMER1 3>;
+ bright-addr = <2>;
+ max-brightness = <7>;
+ };
+ red-sata1 {
+ label = "netxbig:red:sata1";
+ mode-addr = <4>;
+ mode-val = <NETXBIG_LED_OFF 0
+ NETXBIG_LED_ON 2
+ NETXBIG_LED_TIMER1 4>;
+ bright-addr = <2>;
+ max-brightness = <7>;
+ };
+ };
};
&mdio {
diff --git a/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts b/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts
index 91146c318798..5b0430041ec6 100644
--- a/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts
+++ b/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts
@@ -12,7 +12,7 @@
/ {
model = "LogicPD Zoom DM3730 Torpedo Development Kit";
- compatible = "logicpd,dm3730-torpedo-devkit", "ti,omap36xx";
+ compatible = "logicpd,dm3730-torpedo-devkit", "ti,omap3630", "ti,omap3";
gpio_keys {
compatible = "gpio-keys";
diff --git a/arch/arm/boot/dts/meson.dtsi b/arch/arm/boot/dts/meson.dtsi
index 548441384d2a..8c77c87660cd 100644
--- a/arch/arm/boot/dts/meson.dtsi
+++ b/arch/arm/boot/dts/meson.dtsi
@@ -67,7 +67,7 @@
timer@c1109940 {
compatible = "amlogic,meson6-timer";
- reg = <0xc1109940 0x14>;
+ reg = <0xc1109940 0x18>;
interrupts = <0 10 1>;
};
@@ -80,36 +80,37 @@
wdt: watchdog@c1109900 {
compatible = "amlogic,meson6-wdt";
reg = <0xc1109900 0x8>;
+ interrupts = <0 0 1>;
};
uart_AO: serial@c81004c0 {
compatible = "amlogic,meson-uart";
- reg = <0xc81004c0 0x14>;
+ reg = <0xc81004c0 0x18>;
interrupts = <0 90 1>;
clocks = <&clk81>;
status = "disabled";
};
- uart_A: serial@c81084c0 {
+ uart_A: serial@c11084c0 {
compatible = "amlogic,meson-uart";
- reg = <0xc81084c0 0x14>;
- interrupts = <0 90 1>;
+ reg = <0xc11084c0 0x18>;
+ interrupts = <0 26 1>;
clocks = <&clk81>;
status = "disabled";
};
- uart_B: serial@c81084dc {
+ uart_B: serial@c11084dc {
compatible = "amlogic,meson-uart";
- reg = <0xc81084dc 0x14>;
- interrupts = <0 90 1>;
+ reg = <0xc11084dc 0x18>;
+ interrupts = <0 75 1>;
clocks = <&clk81>;
status = "disabled";
};
- uart_C: serial@c8108700 {
+ uart_C: serial@c1108700 {
compatible = "amlogic,meson-uart";
- reg = <0xc8108700 0x14>;
- interrupts = <0 90 1>;
+ reg = <0xc1108700 0x18>;
+ interrupts = <0 93 1>;
clocks = <&clk81>;
status = "disabled";
};
diff --git a/arch/arm/boot/dts/omap3-evm-37xx.dts b/arch/arm/boot/dts/omap3-evm-37xx.dts
index 16e8ce350dda..bb339d1648e0 100644
--- a/arch/arm/boot/dts/omap3-evm-37xx.dts
+++ b/arch/arm/boot/dts/omap3-evm-37xx.dts
@@ -13,7 +13,7 @@
/ {
model = "TI OMAP37XX EVM (TMDSEVM3730)";
- compatible = "ti,omap3-evm-37xx", "ti,omap36xx";
+ compatible = "ti,omap3-evm-37xx", "ti,omap3630", "ti,omap3";
memory {
device_type = "memory";
diff --git a/arch/arm/boot/dts/rk3288-veyron-sdmmc.dtsi b/arch/arm/boot/dts/rk3288-veyron-sdmmc.dtsi
index b5334ecff13c..fec076eb7aef 100644
--- a/arch/arm/boot/dts/rk3288-veyron-sdmmc.dtsi
+++ b/arch/arm/boot/dts/rk3288-veyron-sdmmc.dtsi
@@ -90,7 +90,7 @@
regulators {
vccio_sd: LDO_REG4 {
regulator-name = "vccio_sd";
- regulator-min-microvolt = <3300000>;
+ regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-state-mem {
regulator-off-in-suspend;
@@ -116,7 +116,12 @@
cap-sd-highspeed;
card-detect-delay = <200>;
cd-gpios = <&gpio7 5 GPIO_ACTIVE_LOW>;
+ rockchip,default-sample-phase = <90>;
num-slots = <1>;
+ sd-uhs-sdr12;
+ sd-uhs-sdr25;
+ sd-uhs-sdr50;
+ sd-uhs-sdr104;
vmmc-supply = <&vcc33_sd>;
vqmmc-supply = <&vccio_sd>;
};
diff --git a/arch/arm/boot/dts/rk3288-veyron.dtsi b/arch/arm/boot/dts/rk3288-veyron.dtsi
index 275c78ccc0f3..860cea0a7613 100644
--- a/arch/arm/boot/dts/rk3288-veyron.dtsi
+++ b/arch/arm/boot/dts/rk3288-veyron.dtsi
@@ -149,7 +149,9 @@
broken-cd;
bus-width = <8>;
cap-mmc-highspeed;
+ rockchip,default-sample-phase = <158>;
disable-wp;
+ mmc-hs200-1_8v;
mmc-pwrseq = <&emmc_pwrseq>;
non-removable;
num-slots = <1>;
@@ -355,6 +357,10 @@
num-slots = <1>;
pinctrl-names = "default";
pinctrl-0 = <&sdio0_clk &sdio0_cmd &sdio0_bus4>;
+ sd-uhs-sdr12;
+ sd-uhs-sdr25;
+ sd-uhs-sdr50;
+ sd-uhs-sdr104;
vmmc-supply = <&vcc33_sys>;
vqmmc-supply = <&vcc18_wl>;
};
diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index 906e938fb6bf..4e7c6b7392af 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -222,8 +222,9 @@
sdmmc: dwmmc@ff0c0000 {
compatible = "rockchip,rk3288-dw-mshc";
clock-freq-min-max = <400000 150000000>;
- clocks = <&cru HCLK_SDMMC>, <&cru SCLK_SDMMC>;
- clock-names = "biu", "ciu";
+ clocks = <&cru HCLK_SDMMC>, <&cru SCLK_SDMMC>,
+ <&cru SCLK_SDMMC_DRV>, <&cru SCLK_SDMMC_SAMPLE>;
+ clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
fifo-depth = <0x100>;
interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
reg = <0xff0c0000 0x4000>;
@@ -233,8 +234,9 @@
sdio0: dwmmc@ff0d0000 {
compatible = "rockchip,rk3288-dw-mshc";
clock-freq-min-max = <400000 150000000>;
- clocks = <&cru HCLK_SDIO0>, <&cru SCLK_SDIO0>;
- clock-names = "biu", "ciu";
+ clocks = <&cru HCLK_SDIO0>, <&cru SCLK_SDIO0>,
+ <&cru SCLK_SDIO0_DRV>, <&cru SCLK_SDIO0_SAMPLE>;
+ clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
fifo-depth = <0x100>;
interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
reg = <0xff0d0000 0x4000>;
@@ -244,8 +246,9 @@
sdio1: dwmmc@ff0e0000 {
compatible = "rockchip,rk3288-dw-mshc";
clock-freq-min-max = <400000 150000000>;
- clocks = <&cru HCLK_SDIO1>, <&cru SCLK_SDIO1>;
- clock-names = "biu", "ciu";
+ clocks = <&cru HCLK_SDIO1>, <&cru SCLK_SDIO1>,
+ <&cru SCLK_SDIO1_DRV>, <&cru SCLK_SDIO1_SAMPLE>;
+ clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
fifo-depth = <0x100>;
interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
reg = <0xff0e0000 0x4000>;
@@ -255,8 +258,9 @@
emmc: dwmmc@ff0f0000 {
compatible = "rockchip,rk3288-dw-mshc";
clock-freq-min-max = <400000 150000000>;
- clocks = <&cru HCLK_EMMC>, <&cru SCLK_EMMC>;
- clock-names = "biu", "ciu";
+ clocks = <&cru HCLK_EMMC>, <&cru SCLK_EMMC>,
+ <&cru SCLK_EMMC_DRV>, <&cru SCLK_EMMC_SAMPLE>;
+ clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
fifo-depth = <0x100>;
interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
reg = <0xff0f0000 0x4000>;
diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
index 034cd48ae28b..cc05cde0f9a4 100644
--- a/arch/arm/boot/dts/sama5d2.dtsi
+++ b/arch/arm/boot/dts/sama5d2.dtsi
@@ -921,6 +921,20 @@
clocks = <&twi1_clk>;
status = "disabled";
};
+
+ pioA: pinctrl@fc038000 {
+ compatible = "atmel,sama5d2-pinctrl";
+ reg = <0xfc038000 0x600>;
+ interrupts = <18 IRQ_TYPE_LEVEL_HIGH 7>,
+ <68 IRQ_TYPE_LEVEL_HIGH 7>,
+ <69 IRQ_TYPE_LEVEL_HIGH 7>,
+ <70 IRQ_TYPE_LEVEL_HIGH 7>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ clocks = <&pioA_clk>;
+ };
};
};
};
diff --git a/arch/arm/boot/dts/ste-hrefv60plus.dtsi b/arch/arm/boot/dts/ste-hrefv60plus.dtsi
index 810cda743b6d..9c2387b34d0c 100644
--- a/arch/arm/boot/dts/ste-hrefv60plus.dtsi
+++ b/arch/arm/boot/dts/ste-hrefv60plus.dtsi
@@ -56,7 +56,7 @@
/* VMMCI level-shifter enable */
default_hrefv60_cfg2 {
pins = "GPIO169_D22";
- ste,config = <&gpio_out_lo>;
+ ste,config = <&gpio_out_hi>;
};
/* VMMCI level-shifter voltage select */
default_hrefv60_cfg3 {
diff --git a/arch/arm/boot/dts/ste-snowball.dts b/arch/arm/boot/dts/ste-snowball.dts
index 32a5ccb14e7e..e80e42163883 100644
--- a/arch/arm/boot/dts/ste-snowball.dts
+++ b/arch/arm/boot/dts/ste-snowball.dts
@@ -47,35 +47,35 @@
button@1 {
debounce_interval = <50>;
- wakeup = <1>;
+ wakeup-source;
linux,code = <2>;
label = "userpb";
gpios = <&gpio1 0 0x4>;
};
button@2 {
debounce_interval = <50>;
- wakeup = <1>;
+ wakeup-source;
linux,code = <3>;
label = "extkb1";
gpios = <&gpio4 23 0x4>;
};
button@3 {
debounce_interval = <50>;
- wakeup = <1>;
+ wakeup-source;
linux,code = <4>;
label = "extkb2";
gpios = <&gpio4 24 0x4>;
};
button@4 {
debounce_interval = <50>;
- wakeup = <1>;
+ wakeup-source;
linux,code = <5>;
label = "extkb3";
gpios = <&gpio5 1 0x4>;
};
button@5 {
debounce_interval = <50>;
- wakeup = <1>;
+ wakeup-source;
linux,code = <6>;
label = "extkb4";
gpios = <&gpio5 2 0x4>;
diff --git a/arch/arm/boot/dts/tegra114.dtsi b/arch/arm/boot/dts/tegra114.dtsi
index 9d4f86e9c50a..d845bd1448b5 100644
--- a/arch/arm/boot/dts/tegra114.dtsi
+++ b/arch/arm/boot/dts/tegra114.dtsi
@@ -234,7 +234,9 @@
gpio-controller;
#interrupt-cells = <2>;
interrupt-controller;
+ /*
gpio-ranges = <&pinmux 0 0 246>;
+ */
};
apbmisc@70000800 {
diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index 1e204a6de12c..819e2ae2cabe 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -258,7 +258,9 @@
gpio-controller;
#interrupt-cells = <2>;
interrupt-controller;
+ /*
gpio-ranges = <&pinmux 0 0 251>;
+ */
};
apbdma: dma@0,60020000 {
diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
index e058709e6d98..969b828505ae 100644
--- a/arch/arm/boot/dts/tegra20.dtsi
+++ b/arch/arm/boot/dts/tegra20.dtsi
@@ -244,7 +244,9 @@
gpio-controller;
#interrupt-cells = <2>;
interrupt-controller;
+ /*
gpio-ranges = <&pinmux 0 0 224>;
+ */
};
apbmisc@70000800 {
diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi
index fe04fb5e155f..c6938ad1b543 100644
--- a/arch/arm/boot/dts/tegra30.dtsi
+++ b/arch/arm/boot/dts/tegra30.dtsi
@@ -349,7 +349,9 @@
gpio-controller;
#interrupt-cells = <2>;
interrupt-controller;
+ /*
gpio-ranges = <&pinmux 0 0 248>;
+ */
};
apbmisc@70000800 {
diff --git a/arch/arm/boot/dts/uniphier-ph1-ld6b-ref.dts b/arch/arm/boot/dts/uniphier-ph1-ld6b-ref.dts
index 33963acd7e8f..f80f772d99fb 100644
--- a/arch/arm/boot/dts/uniphier-ph1-ld6b-ref.dts
+++ b/arch/arm/boot/dts/uniphier-ph1-ld6b-ref.dts
@@ -85,7 +85,7 @@
};
&ethsc {
- interrupts = <0 50 4>;
+ interrupts = <0 52 4>;
};
&serial0 {
diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig
index 1ff2bfa2e183..13ba48c4b03b 100644
--- a/arch/arm/configs/exynos_defconfig
+++ b/arch/arm/configs/exynos_defconfig
@@ -166,7 +166,6 @@ CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_S3C=y
CONFIG_MMC_SDHCI_S3C_DMA=y
CONFIG_MMC_DW=y
-CONFIG_MMC_DW_IDMAC=y
CONFIG_MMC_DW_EXYNOS=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_MAX77686=y
diff --git a/arch/arm/configs/hisi_defconfig b/arch/arm/configs/hisi_defconfig
index 5997dbc69822..b2e340b272ee 100644
--- a/arch/arm/configs/hisi_defconfig
+++ b/arch/arm/configs/hisi_defconfig
@@ -69,7 +69,6 @@ CONFIG_NOP_USB_XCEIV=y
CONFIG_MMC=y
CONFIG_RTC_CLASS=y
CONFIG_MMC_DW=y
-CONFIG_MMC_DW_IDMAC=y
CONFIG_MMC_DW_PLTFM=y
CONFIG_RTC_DRV_PL031=y
CONFIG_DMADEVICES=y
diff --git a/arch/arm/configs/lpc18xx_defconfig b/arch/arm/configs/lpc18xx_defconfig
index 1c47f86c3970..b7e8cdab51f9 100644
--- a/arch/arm/configs/lpc18xx_defconfig
+++ b/arch/arm/configs/lpc18xx_defconfig
@@ -119,7 +119,6 @@ CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_ROOT_HUB_TT=y
CONFIG_MMC=y
CONFIG_MMC_DW=y
-CONFIG_MMC_DW_IDMAC=y
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y
CONFIG_LEDS_PCA9532=y
diff --git a/arch/arm/include/asm/cmpxchg.h b/arch/arm/include/asm/cmpxchg.h
index 916a2744d5c6..97882f9bad12 100644
--- a/arch/arm/include/asm/cmpxchg.h
+++ b/arch/arm/include/asm/cmpxchg.h
@@ -39,6 +39,7 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size
switch (size) {
#if __LINUX_ARM_ARCH__ >= 6
+#ifndef CONFIG_CPU_V6 /* MIN ARCH >= V6K */
case 1:
asm volatile("@ __xchg1\n"
"1: ldrexb %0, [%3]\n"
@@ -49,6 +50,17 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size
: "r" (x), "r" (ptr)
: "memory", "cc");
break;
+ case 2:
+ asm volatile("@ __xchg2\n"
+ "1: ldrexh %0, [%3]\n"
+ " strexh %1, %2, [%3]\n"
+ " teq %1, #0\n"
+ " bne 1b"
+ : "=&r" (ret), "=&r" (tmp)
+ : "r" (x), "r" (ptr)
+ : "memory", "cc");
+ break;
+#endif
case 4:
asm volatile("@ __xchg4\n"
"1: ldrex %0, [%3]\n"
diff --git a/arch/arm/include/asm/irqflags.h b/arch/arm/include/asm/irqflags.h
index 43908146a5cf..e6b70d9d084e 100644
--- a/arch/arm/include/asm/irqflags.h
+++ b/arch/arm/include/asm/irqflags.h
@@ -54,6 +54,14 @@ static inline void arch_local_irq_disable(void)
#define local_fiq_enable() __asm__("cpsie f @ __stf" : : : "memory", "cc")
#define local_fiq_disable() __asm__("cpsid f @ __clf" : : : "memory", "cc")
+
+#ifndef CONFIG_CPU_V7M
+#define local_abt_enable() __asm__("cpsie a @ __sta" : : : "memory", "cc")
+#define local_abt_disable() __asm__("cpsid a @ __cla" : : : "memory", "cc")
+#else
+#define local_abt_enable() do { } while (0)
+#define local_abt_disable() do { } while (0)
+#endif
#else
/*
@@ -136,6 +144,8 @@ static inline void arch_local_irq_disable(void)
: "memory", "cc"); \
})
+#define local_abt_enable() do { } while (0)
+#define local_abt_disable() do { } while (0)
#endif
/*
diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h
index cb3a40717edd..5c1ad11aa392 100644
--- a/arch/arm/include/asm/mach/arch.h
+++ b/arch/arm/include/asm/mach/arch.h
@@ -47,7 +47,7 @@ struct machine_desc {
unsigned l2c_aux_val; /* L2 cache aux value */
unsigned l2c_aux_mask; /* L2 cache aux mask */
void (*l2c_write_sec)(unsigned long, unsigned);
- struct smp_operations *smp; /* SMP operations */
+ const struct smp_operations *smp; /* SMP operations */
bool (*smp_init)(void);
void (*fixup)(struct tag *, char **);
void (*dt_fixup)(void);
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 98d58bb04ac5..c79b57bf71c4 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -76,10 +76,12 @@
*/
#define XIP_VIRT_ADDR(physaddr) (MODULES_VADDR + ((physaddr) & 0x000fffff))
+#if !defined(CONFIG_SMP) && !defined(CONFIG_ARM_LPAE)
/*
* Allow 16MB-aligned ioremap pages
*/
#define IOREMAP_MAX_ORDER 24
+#endif
#else /* CONFIG_MMU */
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index f40354198bad..348caabb7625 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -43,7 +43,7 @@
*/
#define VMALLOC_OFFSET (8*1024*1024)
#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
-#define VMALLOC_END 0xff000000UL
+#define VMALLOC_END 0xff800000UL
#define LIBRARY_TEXT_START 0x0c000000
diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h
index ef356659b4f4..3d6dc8b460e4 100644
--- a/arch/arm/include/asm/smp.h
+++ b/arch/arm/include/asm/smp.h
@@ -112,7 +112,7 @@ struct smp_operations {
struct of_cpu_method {
const char *method;
- struct smp_operations *ops;
+ const struct smp_operations *ops;
};
#define CPU_METHOD_OF_DECLARE(name, _method, _ops) \
@@ -122,6 +122,6 @@ struct of_cpu_method {
/*
* set platform specific SMP operations
*/
-extern void smp_set_ops(struct smp_operations *);
+extern void smp_set_ops(const struct smp_operations *);
#endif /* ifndef __ASM_ARM_SMP_H */
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index 7cba573c2cc9..7b84657fba35 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -21,13 +21,6 @@
*/
#define __NR_syscalls (392)
-/*
- * *NOTE*: This is a ghost syscall private to the kernel. Only the
- * __kuser_cmpxchg code in entry-armv.S should be aware of its
- * existence. Don't ever use this from user code.
- */
-#define __ARM_NR_cmpxchg (__ARM_NR_BASE+0x00fff0)
-
#define __ARCH_WANT_STAT64
#define __ARCH_WANT_SYS_GETHOSTNAME
#define __ARCH_WANT_SYS_PAUSE
diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c
index 11c54de9f8cf..65addcbf5b30 100644
--- a/arch/arm/kernel/devtree.c
+++ b/arch/arm/kernel/devtree.c
@@ -101,6 +101,7 @@ void __init arm_dt_init_cpu_maps(void)
if (of_property_read_u32(cpu, "reg", &hwid)) {
pr_debug(" * %s missing reg property\n",
cpu->full_name);
+ of_node_put(cpu);
return;
}
@@ -108,8 +109,10 @@ void __init arm_dt_init_cpu_maps(void)
* 8 MSBs must be set to 0 in the DT since the reg property
* defines the MPIDR[23:0].
*/
- if (hwid & ~MPIDR_HWID_BITMASK)
+ if (hwid & ~MPIDR_HWID_BITMASK) {
+ of_node_put(cpu);
return;
+ }
/*
* Duplicate MPIDRs are a recipe for disaster.
@@ -119,9 +122,11 @@ void __init arm_dt_init_cpu_maps(void)
* to avoid matching valid MPIDR[23:0] values.
*/
for (j = 0; j < cpuidx; j++)
- if (WARN(tmp_map[j] == hwid, "Duplicate /cpu reg "
- "properties in the DT\n"))
+ if (WARN(tmp_map[j] == hwid,
+ "Duplicate /cpu reg properties in the DT\n")) {
+ of_node_put(cpu);
return;
+ }
/*
* Build a stashed array of MPIDR values. Numbering scheme
@@ -143,6 +148,7 @@ void __init arm_dt_init_cpu_maps(void)
"max cores %u, capping them\n",
cpuidx, nr_cpu_ids)) {
cpuidx = nr_cpu_ids;
+ of_node_put(cpu);
break;
}
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 3e1c26eb32b4..3ce377f7251f 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -427,8 +427,7 @@ ENDPROC(__fiq_abt)
.endm
.macro kuser_cmpxchg_check
-#if !defined(CONFIG_CPU_32v6K) && defined(CONFIG_KUSER_HELPERS) && \
- !defined(CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG)
+#if !defined(CONFIG_CPU_32v6K) && defined(CONFIG_KUSER_HELPERS)
#ifndef CONFIG_MMU
#warning "NPTL on non MMU needs fixing"
#else
@@ -859,20 +858,7 @@ __kuser_helper_start:
__kuser_cmpxchg64: @ 0xffff0f60
-#if defined(CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG)
-
- /*
- * Poor you. No fast solution possible...
- * The kernel itself must perform the operation.
- * A special ghost syscall is used for that (see traps.c).
- */
- stmfd sp!, {r7, lr}
- ldr r7, 1f @ it's 20 bits
- swi __ARM_NR_cmpxchg64
- ldmfd sp!, {r7, pc}
-1: .word __ARM_NR_cmpxchg64
-
-#elif defined(CONFIG_CPU_32v6K)
+#if defined(CONFIG_CPU_32v6K)
stmfd sp!, {r4, r5, r6, r7}
ldrd r4, r5, [r0] @ load old val
@@ -948,20 +934,7 @@ __kuser_memory_barrier: @ 0xffff0fa0
__kuser_cmpxchg: @ 0xffff0fc0
-#if defined(CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG)
-
- /*
- * Poor you. No fast solution possible...
- * The kernel itself must perform the operation.
- * A special ghost syscall is used for that (see traps.c).
- */
- stmfd sp!, {r7, lr}
- ldr r7, 1f @ it's 20 bits
- swi __ARM_NR_cmpxchg
- ldmfd sp!, {r7, pc}
-1: .word __ARM_NR_cmpxchg
-
-#elif __LINUX_ARM_ARCH__ < 6
+#if __LINUX_ARM_ARCH__ < 6
#ifdef CONFIG_MMU
diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c
index dc7d0a95bd36..6284779d64ee 100644
--- a/arch/arm/kernel/hw_breakpoint.c
+++ b/arch/arm/kernel/hw_breakpoint.c
@@ -35,7 +35,6 @@
#include <asm/cputype.h>
#include <asm/current.h>
#include <asm/hw_breakpoint.h>
-#include <asm/kdebug.h>
#include <asm/traps.h>
/* Breakpoint currently in use for each BRP. */
diff --git a/arch/arm/kernel/kgdb.c b/arch/arm/kernel/kgdb.c
index fd9eefce0a7b..9232caee7060 100644
--- a/arch/arm/kernel/kgdb.c
+++ b/arch/arm/kernel/kgdb.c
@@ -74,7 +74,7 @@ int dbg_set_reg(int regno, void *mem, struct pt_regs *regs)
void
sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *task)
{
- struct pt_regs *thread_regs;
+ struct thread_info *ti;
int regno;
/* Just making sure... */
@@ -86,24 +86,17 @@ sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *task)
gdb_regs[regno] = 0;
/* Otherwise, we have only some registers from switch_to() */
- thread_regs = task_pt_regs(task);
- gdb_regs[_R0] = thread_regs->ARM_r0;
- gdb_regs[_R1] = thread_regs->ARM_r1;
- gdb_regs[_R2] = thread_regs->ARM_r2;
- gdb_regs[_R3] = thread_regs->ARM_r3;
- gdb_regs[_R4] = thread_regs->ARM_r4;
- gdb_regs[_R5] = thread_regs->ARM_r5;
- gdb_regs[_R6] = thread_regs->ARM_r6;
- gdb_regs[_R7] = thread_regs->ARM_r7;
- gdb_regs[_R8] = thread_regs->ARM_r8;
- gdb_regs[_R9] = thread_regs->ARM_r9;
- gdb_regs[_R10] = thread_regs->ARM_r10;
- gdb_regs[_FP] = thread_regs->ARM_fp;
- gdb_regs[_IP] = thread_regs->ARM_ip;
- gdb_regs[_SPT] = thread_regs->ARM_sp;
- gdb_regs[_LR] = thread_regs->ARM_lr;
- gdb_regs[_PC] = thread_regs->ARM_pc;
- gdb_regs[_CPSR] = thread_regs->ARM_cpsr;
+ ti = task_thread_info(task);
+ gdb_regs[_R4] = ti->cpu_context.r4;
+ gdb_regs[_R5] = ti->cpu_context.r5;
+ gdb_regs[_R6] = ti->cpu_context.r6;
+ gdb_regs[_R7] = ti->cpu_context.r7;
+ gdb_regs[_R8] = ti->cpu_context.r8;
+ gdb_regs[_R9] = ti->cpu_context.r9;
+ gdb_regs[_R10] = ti->cpu_context.sl;
+ gdb_regs[_FP] = ti->cpu_context.fp;
+ gdb_regs[_SPT] = ti->cpu_context.sp;
+ gdb_regs[_PC] = ti->cpu_context.pc;
}
void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long pc)
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 48185a773852..b26361355dae 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -80,7 +80,7 @@ static DECLARE_COMPLETION(cpu_running);
static struct smp_operations smp_ops;
-void __init smp_set_ops(struct smp_operations *ops)
+void __init smp_set_ops(const struct smp_operations *ops)
{
if (ops)
smp_ops = *ops;
@@ -400,6 +400,7 @@ asmlinkage void secondary_start_kernel(void)
local_irq_enable();
local_fiq_enable();
+ local_abt_enable();
/*
* OK, it's off to the idle thread for us
@@ -748,6 +749,15 @@ core_initcall(register_cpufreq_notifier);
static void raise_nmi(cpumask_t *mask)
{
+ /*
+ * Generate the backtrace directly if we are running in a calling
+ * context that is not preemptible by the backtrace IPI. Note
+ * that nmi_cpu_backtrace() automatically removes the current cpu
+ * from mask.
+ */
+ if (cpumask_test_cpu(smp_processor_id(), mask) && irqs_disabled())
+ nmi_cpu_backtrace(NULL);
+
smp_cross_call(mask, IPI_CPU_BACKTRACE);
}
diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c
index e9035cda1485..1bfa7a7f5533 100644
--- a/arch/arm/kernel/smp_twd.c
+++ b/arch/arm/kernel/smp_twd.c
@@ -23,7 +23,6 @@
#include <linux/of_irq.h>
#include <linux/of_address.h>
-#include <asm/smp_plat.h>
#include <asm/smp_twd.h>
/* set up by the platform code */
@@ -34,6 +33,8 @@ static unsigned long twd_timer_rate;
static DEFINE_PER_CPU(bool, percpu_setup_called);
static struct clock_event_device __percpu *twd_evt;
+static unsigned int twd_features =
+ CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT;
static int twd_ppi;
static int twd_shutdown(struct clock_event_device *clk)
@@ -294,8 +295,7 @@ static void twd_timer_setup(void)
writel_relaxed(0, twd_base + TWD_TIMER_CONTROL);
clk->name = "local_timer";
- clk->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT |
- CLOCK_EVT_FEAT_C3STOP;
+ clk->features = twd_features;
clk->rating = 350;
clk->set_state_shutdown = twd_shutdown;
clk->set_state_periodic = twd_set_periodic;
@@ -350,6 +350,8 @@ static int __init twd_local_timer_common_register(struct device_node *np)
goto out_irq;
twd_get_clock(np);
+ if (!of_property_read_bool(np, "always-on"))
+ twd_features |= CLOCK_EVT_FEAT_C3STOP;
/*
* Immediately configure the timer on the boot CPU, unless we need
@@ -392,9 +394,6 @@ static void __init twd_local_timer_of_register(struct device_node *np)
{
int err;
- if (!is_smp() || !setup_max_cpus)
- return;
-
twd_ppi = irq_of_parse_and_map(np, 0);
if (!twd_ppi) {
err = -EINVAL;
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 969f9d9e665f..bc698383e822 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -625,58 +625,6 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs)
set_tls(regs->ARM_r0);
return 0;
-#ifdef CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG
- /*
- * Atomically store r1 in *r2 if *r2 is equal to r0 for user space.
- * Return zero in r0 if *MEM was changed or non-zero if no exchange
- * happened. Also set the user C flag accordingly.
- * If access permissions have to be fixed up then non-zero is
- * returned and the operation has to be re-attempted.
- *
- * *NOTE*: This is a ghost syscall private to the kernel. Only the
- * __kuser_cmpxchg code in entry-armv.S should be aware of its
- * existence. Don't ever use this from user code.
- */
- case NR(cmpxchg):
- for (;;) {
- extern void do_DataAbort(unsigned long addr, unsigned int fsr,
- struct pt_regs *regs);
- unsigned long val;
- unsigned long addr = regs->ARM_r2;
- struct mm_struct *mm = current->mm;
- pgd_t *pgd; pmd_t *pmd; pte_t *pte;
- spinlock_t *ptl;
-
- regs->ARM_cpsr &= ~PSR_C_BIT;
- down_read(&mm->mmap_sem);
- pgd = pgd_offset(mm, addr);
- if (!pgd_present(*pgd))
- goto bad_access;
- pmd = pmd_offset(pgd, addr);
- if (!pmd_present(*pmd))
- goto bad_access;
- pte = pte_offset_map_lock(mm, pmd, addr, &ptl);
- if (!pte_present(*pte) || !pte_write(*pte) || !pte_dirty(*pte)) {
- pte_unmap_unlock(pte, ptl);
- goto bad_access;
- }
- val = *(unsigned long *)addr;
- val -= regs->ARM_r0;
- if (val == 0) {
- *(unsigned long *)addr = regs->ARM_r1;
- regs->ARM_cpsr |= PSR_C_BIT;
- }
- pte_unmap_unlock(pte, ptl);
- up_read(&mm->mmap_sem);
- return val;
-
- bad_access:
- up_read(&mm->mmap_sem);
- /* simulate a write access fault */
- do_DataAbort(addr, 15 + (1 << 11), regs);
- }
-#endif
-
default:
/* Calls 9f00xx..9f07ff are defined to return -ENOSYS
if not implemented, rather than raising SIGILL. This
diff --git a/arch/arm/kvm/Kconfig b/arch/arm/kvm/Kconfig
index 210eccadb69a..356970f3b25e 100644
--- a/arch/arm/kvm/Kconfig
+++ b/arch/arm/kvm/Kconfig
@@ -21,6 +21,7 @@ config KVM
depends on MMU && OF
select PREEMPT_NOTIFIERS
select ANON_INODES
+ select ARM_GIC
select HAVE_KVM_CPU_RELAX_INTERCEPT
select HAVE_KVM_ARCH_TLB_FLUSH_ALL
select KVM_MMIO
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index dc017adfddc8..78b286994577 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -1080,7 +1080,7 @@ static int init_hyp_mode(void)
*/
err = kvm_timer_hyp_init();
if (err)
- goto out_free_mappings;
+ goto out_free_context;
#ifndef CONFIG_HOTPLUG_CPU
free_boot_hyp_pgd();
diff --git a/arch/arm/lib/clear_user.S b/arch/arm/lib/clear_user.S
index 970d6c043774..e936352ccb00 100644
--- a/arch/arm/lib/clear_user.S
+++ b/arch/arm/lib/clear_user.S
@@ -9,6 +9,7 @@
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
+#include <asm/unwind.h>
.text
@@ -20,6 +21,8 @@
*/
ENTRY(__clear_user_std)
WEAK(arm_clear_user)
+UNWIND(.fnstart)
+UNWIND(.save {r1, lr})
stmfd sp!, {r1, lr}
mov r2, #0
cmp r1, #4
@@ -44,6 +47,7 @@ WEAK(arm_clear_user)
USER( strnebt r2, [r0])
mov r0, #0
ldmfd sp!, {r1, pc}
+UNWIND(.fnend)
ENDPROC(arm_clear_user)
ENDPROC(__clear_user_std)
diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c
index 4a87e86dec45..7c21760f590f 100644
--- a/arch/arm/mach-exynos/pm_domains.c
+++ b/arch/arm/mach-exynos/pm_domains.c
@@ -200,15 +200,15 @@ no_clk:
args.args_count = 0;
child_domain = of_genpd_get_from_provider(&args);
if (IS_ERR(child_domain))
- goto next_pd;
+ continue;
if (of_parse_phandle_with_args(np, "power-domains",
"#power-domain-cells", 0, &args) != 0)
- goto next_pd;
+ continue;
parent_domain = of_genpd_get_from_provider(&args);
if (IS_ERR(parent_domain))
- goto next_pd;
+ continue;
if (pm_genpd_add_subdomain(parent_domain, child_domain))
pr_warn("%s failed to add subdomain: %s\n",
@@ -216,8 +216,6 @@ no_clk:
else
pr_info("%s has as child subdomain: %s.\n",
parent_domain->name, child_domain->name);
-next_pd:
- of_node_put(np);
}
return 0;
diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
index c86a5a0aefac..e20fc4178b15 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -117,11 +117,4 @@ config MACH_KIRKWOOD
Say 'Y' here if you want your kernel to support boards based
on the Marvell Kirkwood device tree.
-config MACH_NETXBIG
- bool "LaCie 2Big and 5Big Network v2"
- depends on MACH_KIRKWOOD
- help
- Say 'Y' here if you want your kernel to support the
- LaCie 2Big and 5Big Network v2
-
endif
diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile
index b4f01497ce0b..ecf9e0c3b107 100644
--- a/arch/arm/mach-mvebu/Makefile
+++ b/arch/arm/mach-mvebu/Makefile
@@ -13,4 +13,3 @@ endif
obj-$(CONFIG_MACH_DOVE) += dove.o
obj-$(CONFIG_MACH_KIRKWOOD) += kirkwood.o kirkwood-pm.o
-obj-$(CONFIG_MACH_NETXBIG) += netxbig.o
diff --git a/arch/arm/mach-mvebu/board.h b/arch/arm/mach-mvebu/board.h
deleted file mode 100644
index 98e32cc2ef3d..000000000000
--- a/arch/arm/mach-mvebu/board.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * Board functions for Marvell System On Chip
- *
- * Copyright (C) 2014
- *
- * Andrew Lunn <andrew@lunn.ch>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __ARCH_MVEBU_BOARD_H
-#define __ARCH_MVEBU_BOARD_H
-
-#ifdef CONFIG_MACH_NETXBIG
-void netxbig_init(void);
-#else
-static inline void netxbig_init(void) {};
-#endif
-#endif
diff --git a/arch/arm/mach-mvebu/kirkwood.c b/arch/arm/mach-mvebu/kirkwood.c
index 925f75f54268..f9d8e1ea7183 100644
--- a/arch/arm/mach-mvebu/kirkwood.c
+++ b/arch/arm/mach-mvebu/kirkwood.c
@@ -25,7 +25,6 @@
#include "kirkwood.h"
#include "kirkwood-pm.h"
#include "common.h"
-#include "board.h"
static struct resource kirkwood_cpufreq_resources[] = {
[0] = {
@@ -180,9 +179,6 @@ static void __init kirkwood_dt_init(void)
kirkwood_pm_init();
kirkwood_dt_eth_fixup();
- if (of_machine_is_compatible("lacie,netxbig"))
- netxbig_init();
-
of_platform_populate(NULL, of_default_bus_match_table, auxdata, NULL);
}
diff --git a/arch/arm/mach-mvebu/netxbig.c b/arch/arm/mach-mvebu/netxbig.c
deleted file mode 100644
index 94b11b6585a4..000000000000
--- a/arch/arm/mach-mvebu/netxbig.c
+++ /dev/null
@@ -1,191 +0,0 @@
-/*
- * arch/arm/mach-mvbu/board-netxbig.c
- *
- * LaCie 2Big and 5Big Network v2 board setup
- *
- * Copyright (C) 2010 Simon Guinot <sguinot@lacie.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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include <linux/kernel.h>
-#include <linux/of.h>
-#include <linux/platform_device.h>
-#include <linux/platform_data/leds-kirkwood-netxbig.h>
-#include "common.h"
-
-/*****************************************************************************
- * GPIO extension LEDs
- ****************************************************************************/
-
-/*
- * The LEDs are controlled by a CPLD and can be configured through a GPIO
- * extension bus:
- *
- * - address register : bit [0-2] -> GPIO [47-49]
- * - data register : bit [0-2] -> GPIO [44-46]
- * - enable register : GPIO 29
- */
-
-static int netxbig_v2_gpio_ext_addr[] = { 47, 48, 49 };
-static int netxbig_v2_gpio_ext_data[] = { 44, 45, 46 };
-
-static struct netxbig_gpio_ext netxbig_v2_gpio_ext = {
- .addr = netxbig_v2_gpio_ext_addr,
- .num_addr = ARRAY_SIZE(netxbig_v2_gpio_ext_addr),
- .data = netxbig_v2_gpio_ext_data,
- .num_data = ARRAY_SIZE(netxbig_v2_gpio_ext_data),
- .enable = 29,
-};
-
-/*
- * Address register selection:
- *
- * addr | register
- * ----------------------------
- * 0 | front LED
- * 1 | front LED brightness
- * 2 | SATA LED brightness
- * 3 | SATA0 LED
- * 4 | SATA1 LED
- * 5 | SATA2 LED
- * 6 | SATA3 LED
- * 7 | SATA4 LED
- *
- * Data register configuration:
- *
- * data | LED brightness
- * -------------------------------------------------
- * 0 | min (off)
- * - | -
- * 7 | max
- *
- * data | front LED mode
- * -------------------------------------------------
- * 0 | fix off
- * 1 | fix blue on
- * 2 | fix red on
- * 3 | blink blue on=1 sec and blue off=1 sec
- * 4 | blink red on=1 sec and red off=1 sec
- * 5 | blink blue on=2.5 sec and red on=0.5 sec
- * 6 | blink blue on=1 sec and red on=1 sec
- * 7 | blink blue on=0.5 sec and blue off=2.5 sec
- *
- * data | SATA LED mode
- * -------------------------------------------------
- * 0 | fix off
- * 1 | SATA activity blink
- * 2 | fix red on
- * 3 | blink blue on=1 sec and blue off=1 sec
- * 4 | blink red on=1 sec and red off=1 sec
- * 5 | blink blue on=2.5 sec and red on=0.5 sec
- * 6 | blink blue on=1 sec and red on=1 sec
- * 7 | fix blue on
- */
-
-static int netxbig_v2_red_mled[NETXBIG_LED_MODE_NUM] = {
- [NETXBIG_LED_OFF] = 0,
- [NETXBIG_LED_ON] = 2,
- [NETXBIG_LED_SATA] = NETXBIG_LED_INVALID_MODE,
- [NETXBIG_LED_TIMER1] = 4,
- [NETXBIG_LED_TIMER2] = NETXBIG_LED_INVALID_MODE,
-};
-
-static int netxbig_v2_blue_pwr_mled[NETXBIG_LED_MODE_NUM] = {
- [NETXBIG_LED_OFF] = 0,
- [NETXBIG_LED_ON] = 1,
- [NETXBIG_LED_SATA] = NETXBIG_LED_INVALID_MODE,
- [NETXBIG_LED_TIMER1] = 3,
- [NETXBIG_LED_TIMER2] = 7,
-};
-
-static int netxbig_v2_blue_sata_mled[NETXBIG_LED_MODE_NUM] = {
- [NETXBIG_LED_OFF] = 0,
- [NETXBIG_LED_ON] = 7,
- [NETXBIG_LED_SATA] = 1,
- [NETXBIG_LED_TIMER1] = 3,
- [NETXBIG_LED_TIMER2] = NETXBIG_LED_INVALID_MODE,
-};
-
-static struct netxbig_led_timer netxbig_v2_led_timer[] = {
- [0] = {
- .delay_on = 500,
- .delay_off = 500,
- .mode = NETXBIG_LED_TIMER1,
- },
- [1] = {
- .delay_on = 500,
- .delay_off = 1000,
- .mode = NETXBIG_LED_TIMER2,
- },
-};
-
-#define NETXBIG_LED(_name, maddr, mval, baddr) \
- { .name = _name, \
- .mode_addr = maddr, \
- .mode_val = mval, \
- .bright_addr = baddr }
-
-static struct netxbig_led net2big_v2_leds_ctrl[] = {
- NETXBIG_LED("net2big-v2:blue:power", 0, netxbig_v2_blue_pwr_mled, 1),
- NETXBIG_LED("net2big-v2:red:power", 0, netxbig_v2_red_mled, 1),
- NETXBIG_LED("net2big-v2:blue:sata0", 3, netxbig_v2_blue_sata_mled, 2),
- NETXBIG_LED("net2big-v2:red:sata0", 3, netxbig_v2_red_mled, 2),
- NETXBIG_LED("net2big-v2:blue:sata1", 4, netxbig_v2_blue_sata_mled, 2),
- NETXBIG_LED("net2big-v2:red:sata1", 4, netxbig_v2_red_mled, 2),
-};
-
-static struct netxbig_led_platform_data net2big_v2_leds_data = {
- .gpio_ext = &netxbig_v2_gpio_ext,
- .timer = netxbig_v2_led_timer,
- .num_timer = ARRAY_SIZE(netxbig_v2_led_timer),
- .leds = net2big_v2_leds_ctrl,
- .num_leds = ARRAY_SIZE(net2big_v2_leds_ctrl),
-};
-
-static struct netxbig_led net5big_v2_leds_ctrl[] = {
- NETXBIG_LED("net5big-v2:blue:power", 0, netxbig_v2_blue_pwr_mled, 1),
- NETXBIG_LED("net5big-v2:red:power", 0, netxbig_v2_red_mled, 1),
- NETXBIG_LED("net5big-v2:blue:sata0", 3, netxbig_v2_blue_sata_mled, 2),
- NETXBIG_LED("net5big-v2:red:sata0", 3, netxbig_v2_red_mled, 2),
- NETXBIG_LED("net5big-v2:blue:sata1", 4, netxbig_v2_blue_sata_mled, 2),
- NETXBIG_LED("net5big-v2:red:sata1", 4, netxbig_v2_red_mled, 2),
- NETXBIG_LED("net5big-v2:blue:sata2", 5, netxbig_v2_blue_sata_mled, 2),
- NETXBIG_LED("net5big-v2:red:sata2", 5, netxbig_v2_red_mled, 2),
- NETXBIG_LED("net5big-v2:blue:sata3", 6, netxbig_v2_blue_sata_mled, 2),
- NETXBIG_LED("net5big-v2:red:sata3", 6, netxbig_v2_red_mled, 2),
- NETXBIG_LED("net5big-v2:blue:sata4", 7, netxbig_v2_blue_sata_mled, 2),
- NETXBIG_LED("net5big-v2:red:sata4", 7, netxbig_v2_red_mled, 2),
-};
-
-static struct netxbig_led_platform_data net5big_v2_leds_data = {
- .gpio_ext = &netxbig_v2_gpio_ext,
- .timer = netxbig_v2_led_timer,
- .num_timer = ARRAY_SIZE(netxbig_v2_led_timer),
- .leds = net5big_v2_leds_ctrl,
- .num_leds = ARRAY_SIZE(net5big_v2_leds_ctrl),
-};
-
-static struct platform_device netxbig_v2_leds = {
- .name = "leds-netxbig",
- .id = -1,
- .dev = {
- .platform_data = &net2big_v2_leds_data,
- },
-};
-
-void __init netxbig_init(void)
-{
-
- if (of_machine_is_compatible("lacie,net5big_v2"))
- netxbig_v2_leds.dev.platform_data = &net5big_v2_leds_data;
- platform_device_register(&netxbig_v2_leds);
-}
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index b3a0dff67e3f..33d1460a5639 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -49,6 +49,7 @@ config SOC_OMAP5
select OMAP_INTERCONNECT
select OMAP_INTERCONNECT_BARRIER
select PM_OPP if PM
+ select ZONE_DMA if ARM_LPAE
config SOC_AM33XX
bool "TI AM33XX"
@@ -78,6 +79,7 @@ config SOC_DRA7XX
select OMAP_INTERCONNECT
select OMAP_INTERCONNECT_BARRIER
select PM_OPP if PM
+ select ZONE_DMA if ARM_LPAE
config ARCH_OMAP2PLUS
bool
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index 6133eaac685d..fb219a30c10c 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -106,6 +106,7 @@ DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
MACHINE_END
static const char *const omap36xx_boards_compat[] __initconst = {
+ "ti,omap3630",
"ti,omap36xx",
NULL,
};
@@ -243,6 +244,9 @@ static const char *const omap5_boards_compat[] __initconst = {
};
DT_MACHINE_START(OMAP5_DT, "Generic OMAP5 (Flattened Device Tree)")
+#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
+ .dma_zone_size = SZ_2G,
+#endif
.reserve = omap_reserve,
.smp = smp_ops(omap4_smp_ops),
.map_io = omap5_map_io,
@@ -288,6 +292,9 @@ static const char *const dra74x_boards_compat[] __initconst = {
};
DT_MACHINE_START(DRA74X_DT, "Generic DRA74X (Flattened Device Tree)")
+#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
+ .dma_zone_size = SZ_2G,
+#endif
.reserve = omap_reserve,
.smp = smp_ops(omap4_smp_ops),
.map_io = dra7xx_map_io,
@@ -308,6 +315,9 @@ static const char *const dra72x_boards_compat[] __initconst = {
};
DT_MACHINE_START(DRA72X_DT, "Generic DRA72X (Flattened Device Tree)")
+#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
+ .dma_zone_size = SZ_2G,
+#endif
.reserve = omap_reserve,
.map_io = dra7xx_map_io,
.init_early = dra7xx_init_early,
diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c
index ea56397599c2..1dfe34654c43 100644
--- a/arch/arm/mach-omap2/pdata-quirks.c
+++ b/arch/arm/mach-omap2/pdata-quirks.c
@@ -559,7 +559,14 @@ static void pdata_quirks_check(struct pdata_init *quirks)
void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
{
- omap_sdrc_init(NULL, NULL);
+ /*
+ * We still need this for omap2420 and omap3 PM to work, others are
+ * using drivers/misc/sram.c already.
+ */
+ if (of_machine_is_compatible("ti,omap2420") ||
+ of_machine_is_compatible("ti,omap3"))
+ omap_sdrc_init(NULL, NULL);
+
pdata_quirks_check(auxdata_quirks);
of_platform_populate(NULL, omap_dt_match_table,
omap_auxdata_lookup, NULL);
diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c
index 06005d3f2ba3..20ce2d386f17 100644
--- a/arch/arm/mach-pxa/pxa3xx.c
+++ b/arch/arm/mach-pxa/pxa3xx.c
@@ -42,10 +42,6 @@
#define PECR_IS(n) ((1 << ((n) * 2)) << 29)
extern void __init pxa_dt_irq_init(int (*fn)(struct irq_data *, unsigned int));
-#ifdef CONFIG_PM
-
-#define ISRAM_START 0x5c000000
-#define ISRAM_SIZE SZ_256K
/*
* NAND NFC: DFI bus arbitration subset
@@ -54,6 +50,11 @@ extern void __init pxa_dt_irq_init(int (*fn)(struct irq_data *, unsigned int));
#define NDCR_ND_ARB_EN (1 << 12)
#define NDCR_ND_ARB_CNTL (1 << 19)
+#ifdef CONFIG_PM
+
+#define ISRAM_START 0x5c000000
+#define ISRAM_SIZE SZ_256K
+
static void __iomem *sram;
static unsigned long wakeup_src;
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index df7537f12469..c21941349b3e 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -419,28 +419,24 @@ config CPU_THUMBONLY
config CPU_32v3
bool
select CPU_USE_DOMAINS if MMU
- select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
select NEED_KUSER_HELPERS
select TLS_REG_EMUL if SMP || !MMU
config CPU_32v4
bool
select CPU_USE_DOMAINS if MMU
- select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
select NEED_KUSER_HELPERS
select TLS_REG_EMUL if SMP || !MMU
config CPU_32v4T
bool
select CPU_USE_DOMAINS if MMU
- select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
select NEED_KUSER_HELPERS
select TLS_REG_EMUL if SMP || !MMU
config CPU_32v5
bool
select CPU_USE_DOMAINS if MMU
- select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
select NEED_KUSER_HELPERS
select TLS_REG_EMUL if SMP || !MMU
@@ -805,14 +801,6 @@ config TLS_REG_EMUL
a few prototypes like that in existence) and therefore access to
that required register must be emulated.
-config NEEDS_SYSCALL_FOR_CMPXCHG
- bool
- select NEED_KUSER_HELPERS
- help
- SMP on a pre-ARMv6 processor? Well OK then.
- Forget about fast user space cmpxchg support.
- It is just not possible.
-
config NEED_KUSER_HELPERS
bool
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 1a7815e5421b..ad4eb2d26e16 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1407,12 +1407,19 @@ static int arm_iommu_mmap_attrs(struct device *dev, struct vm_area_struct *vma,
unsigned long uaddr = vma->vm_start;
unsigned long usize = vma->vm_end - vma->vm_start;
struct page **pages = __iommu_get_pages(cpu_addr, attrs);
+ unsigned long nr_pages = PAGE_ALIGN(size) >> PAGE_SHIFT;
+ unsigned long off = vma->vm_pgoff;
vma->vm_page_prot = __get_dma_pgprot(attrs, vma->vm_page_prot);
if (!pages)
return -ENXIO;
+ if (off >= nr_pages || (usize >> PAGE_SHIFT) > nr_pages - off)
+ return -ENXIO;
+
+ pages += off;
+
do {
int ret = vm_insert_page(vma, uaddr, *pages++);
if (ret) {
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index 0d629b8f973f..daafcf121ce0 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -593,6 +593,28 @@ do_PrefetchAbort(unsigned long addr, unsigned int ifsr, struct pt_regs *regs)
arm_notify_die("", regs, &info, ifsr, 0);
}
+/*
+ * Abort handler to be used only during first unmasking of asynchronous aborts
+ * on the boot CPU. This makes sure that the machine will not die if the
+ * firmware/bootloader left an imprecise abort pending for us to trip over.
+ */
+static int __init early_abort_handler(unsigned long addr, unsigned int fsr,
+ struct pt_regs *regs)
+{
+ pr_warn("Hit pending asynchronous external abort (FSR=0x%08x) during "
+ "first unmask, this is most likely caused by a "
+ "firmware/bootloader bug.\n", fsr);
+
+ return 0;
+}
+
+void __init early_abt_enable(void)
+{
+ fsr_info[22].fn = early_abort_handler;
+ local_abt_enable();
+ fsr_info[22].fn = do_bad;
+}
+
#ifndef CONFIG_ARM_LPAE
static int __init exceptions_init(void)
{
diff --git a/arch/arm/mm/fault.h b/arch/arm/mm/fault.h
index cf08bdfbe0d6..05ec5e0df32d 100644
--- a/arch/arm/mm/fault.h
+++ b/arch/arm/mm/fault.h
@@ -24,5 +24,6 @@ static inline int fsr_fs(unsigned int fsr)
void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs);
unsigned long search_exception_table(unsigned long addr);
+void early_abt_enable(void);
#endif /* __ARCH_ARM_FAULT_H */
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 7cd15143a507..4867f5daf82c 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -38,6 +38,7 @@
#include <asm/mach/pci.h>
#include <asm/fixmap.h>
+#include "fault.h"
#include "mm.h"
#include "tcm.h"
@@ -1363,6 +1364,9 @@ static void __init devicemaps_init(const struct machine_desc *mdesc)
*/
local_flush_tlb_all();
flush_cache_all();
+
+ /* Enable asynchronous aborts */
+ early_abt_enable();
}
static void __init kmap_init(void)
diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c
index 876060bcceeb..b8efb8cd1f73 100644
--- a/arch/arm/net/bpf_jit_32.c
+++ b/arch/arm/net/bpf_jit_32.c
@@ -614,6 +614,7 @@ load_common:
case BPF_LD | BPF_B | BPF_IND:
load_order = 0;
load_ind:
+ update_on_xread(ctx);
OP_IMM3(ARM_ADD, r_off, r_X, k, ctx);
goto load_common;
case BPF_LDX | BPF_IMM:
diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c
index 2235081a04ee..8861c367d061 100644
--- a/arch/arm/plat-orion/common.c
+++ b/arch/arm/plat-orion/common.c
@@ -495,7 +495,7 @@ void __init orion_ge00_switch_init(struct dsa_platform_data *d, int irq)
d->netdev = &orion_ge00.dev;
for (i = 0; i < d->nr_chips; i++)
- d->chip[i].host_dev = &orion_ge00_shared.dev;
+ d->chip[i].host_dev = &orion_ge_mvmdio.dev;
orion_switch_device.dev.platform_data = d;
platform_device_register(&orion_switch_device);
diff --git a/arch/arm/vdso/vdsomunge.c b/arch/arm/vdso/vdsomunge.c
index aedec81d1198..f6455273b2f8 100644
--- a/arch/arm/vdso/vdsomunge.c
+++ b/arch/arm/vdso/vdsomunge.c
@@ -45,7 +45,6 @@
* it does.
*/
-#include <byteswap.h>
#include <elf.h>
#include <errno.h>
#include <fcntl.h>
@@ -59,6 +58,16 @@
#include <sys/types.h>
#include <unistd.h>
+#define swab16(x) \
+ ((((x) & 0x00ff) << 8) | \
+ (((x) & 0xff00) >> 8))
+
+#define swab32(x) \
+ ((((x) & 0x000000ff) << 24) | \
+ (((x) & 0x0000ff00) << 8) | \
+ (((x) & 0x00ff0000) >> 8) | \
+ (((x) & 0xff000000) >> 24))
+
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#define HOST_ORDER ELFDATA2LSB
#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
@@ -104,17 +113,17 @@ static void cleanup(void)
static Elf32_Word read_elf_word(Elf32_Word word, bool swap)
{
- return swap ? bswap_32(word) : word;
+ return swap ? swab32(word) : word;
}
static Elf32_Half read_elf_half(Elf32_Half half, bool swap)
{
- return swap ? bswap_16(half) : half;
+ return swap ? swab16(half) : half;
}
static void write_elf_word(Elf32_Word val, Elf32_Word *dst, bool swap)
{
- *dst = swap ? bswap_32(val) : val;
+ *dst = swap ? swab32(val) : val;
}
int main(int argc, char **argv)