summaryrefslogtreecommitdiff
path: root/arch/arm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boot/dts/am335x-pcm-953.dtsi28
-rw-r--r--arch/arm/boot/dts/at91rm9200.dtsi2
-rw-r--r--arch/arm/boot/dts/at91sam9g20ek_common.dtsi9
-rw-r--r--arch/arm/boot/dts/imx6q-prti6q.dts4
-rw-r--r--arch/arm/boot/dts/imx6q-yapp4-crux.dts4
-rw-r--r--arch/arm/boot/dts/imx6qdl-gw5910.dtsi2
-rw-r--r--arch/arm/boot/dts/imx6qdl-gw5913.dtsi2
-rw-r--r--arch/arm/boot/dts/imx6qp-yapp4-crux-plus.dts4
-rw-r--r--arch/arm/boot/dts/lan966x-pcb8291.dts20
-rw-r--r--arch/arm/boot/dts/rk3036-evb.dts3
-rw-r--r--arch/arm/boot/dts/rk3066a-mk808.dts2
-rw-r--r--arch/arm/boot/dts/rk3188-radxarock.dts2
-rw-r--r--arch/arm/boot/dts/rk3188.dtsi3
-rw-r--r--arch/arm/boot/dts/rk3288-evb-act8846.dts2
-rw-r--r--arch/arm/boot/dts/rk3288-evb.dtsi6
-rw-r--r--arch/arm/boot/dts/rk3288-firefly.dtsi3
-rw-r--r--arch/arm/boot/dts/rk3288-miqi.dts3
-rw-r--r--arch/arm/boot/dts/rk3288-rock2-square.dts3
-rw-r--r--arch/arm/boot/dts/rk3288-vmarc-som.dtsi1
-rw-r--r--arch/arm/boot/dts/rk3xxx.dtsi7
-rw-r--r--arch/arm/boot/dts/sama7g5-pinfunc.h2
-rw-r--r--arch/arm/boot/dts/ste-href.dtsi8
-rw-r--r--arch/arm/boot/dts/ste-snowball.dts8
-rw-r--r--arch/arm/boot/dts/ste-ux500-samsung-codina-tmo.dts8
-rw-r--r--arch/arm/boot/dts/ste-ux500-samsung-codina.dts8
-rw-r--r--arch/arm/boot/dts/ste-ux500-samsung-gavini.dts8
-rw-r--r--arch/arm/boot/dts/ste-ux500-samsung-golden.dts8
-rw-r--r--arch/arm/boot/dts/ste-ux500-samsung-janice.dts8
-rw-r--r--arch/arm/boot/dts/ste-ux500-samsung-kyle.dts8
-rw-r--r--arch/arm/boot/dts/ste-ux500-samsung-skomer.dts8
-rw-r--r--arch/arm/configs/clps711x_defconfig3
-rw-r--r--arch/arm/configs/collie_defconfig3
-rw-r--r--arch/arm/configs/imx_v6_v7_defconfig5
-rw-r--r--arch/arm/configs/multi_v4t_defconfig3
-rw-r--r--arch/arm/configs/multi_v7_defconfig8
-rw-r--r--arch/arm/configs/omap1_defconfig3
-rw-r--r--arch/arm/configs/pxa_defconfig3
-rw-r--r--arch/arm/configs/qcom_defconfig5
-rw-r--r--arch/arm/configs/sama5_defconfig2
-rw-r--r--arch/arm/configs/sama7_defconfig11
-rw-r--r--arch/arm/configs/spear6xx_defconfig7
-rw-r--r--arch/arm/configs/tct_hammer_defconfig3
-rw-r--r--arch/arm/configs/xcep_defconfig3
-rw-r--r--arch/arm/include/asm/perf_event.h2
-rw-r--r--arch/arm/include/asm/pgtable-nommu.h6
-rw-r--r--arch/arm/include/asm/pgtable.h16
-rw-r--r--arch/arm/mach-at91/pm_suspend.S7
-rw-r--r--arch/arm/mach-at91/sama5.c2
-rw-r--r--arch/arm/mach-mxs/mach-mxs.c4
-rw-r--r--arch/arm/mm/fault.c18
-rw-r--r--arch/arm/mm/fault.h9
-rw-r--r--arch/arm/mm/nommu.c19
52 files changed, 247 insertions, 79 deletions
diff --git a/arch/arm/boot/dts/am335x-pcm-953.dtsi b/arch/arm/boot/dts/am335x-pcm-953.dtsi
index dae448040a97..947497413977 100644
--- a/arch/arm/boot/dts/am335x-pcm-953.dtsi
+++ b/arch/arm/boot/dts/am335x-pcm-953.dtsi
@@ -12,22 +12,20 @@
compatible = "phytec,am335x-pcm-953", "phytec,am335x-phycore-som", "ti,am33xx";
/* Power */
- regulators {
- vcc3v3: fixedregulator@1 {
- compatible = "regulator-fixed";
- regulator-name = "vcc3v3";
- regulator-min-microvolt = <3300000>;
- regulator-max-microvolt = <3300000>;
- regulator-boot-on;
- };
+ vcc3v3: fixedregulator1 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ };
- vcc1v8: fixedregulator@2 {
- compatible = "regulator-fixed";
- regulator-name = "vcc1v8";
- regulator-min-microvolt = <1800000>;
- regulator-max-microvolt = <1800000>;
- regulator-boot-on;
- };
+ vcc1v8: fixedregulator2 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc1v8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
};
/* User IO */
diff --git a/arch/arm/boot/dts/at91rm9200.dtsi b/arch/arm/boot/dts/at91rm9200.dtsi
index 7a113325abb9..6f9004ebf424 100644
--- a/arch/arm/boot/dts/at91rm9200.dtsi
+++ b/arch/arm/boot/dts/at91rm9200.dtsi
@@ -666,7 +666,7 @@
compatible = "atmel,at91rm9200-udc";
reg = <0xfffb0000 0x4000>;
interrupts = <11 IRQ_TYPE_LEVEL_HIGH 2>;
- clocks = <&pmc PMC_TYPE_PERIPHERAL 11>, <&pmc PMC_TYPE_SYSTEM 2>;
+ clocks = <&pmc PMC_TYPE_PERIPHERAL 11>, <&pmc PMC_TYPE_SYSTEM 1>;
clock-names = "pclk", "hclk";
status = "disabled";
};
diff --git a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
index 60d61291f344..024af2db638e 100644
--- a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
+++ b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
@@ -39,6 +39,13 @@
};
+ usb1 {
+ pinctrl_usb1_vbus_gpio: usb1_vbus_gpio {
+ atmel,pins =
+ <AT91_PIOC 5 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PC5 GPIO */
+ };
+ };
+
mmc0_slot1 {
pinctrl_board_mmc0_slot1: mmc0_slot1-board {
atmel,pins =
@@ -84,6 +91,8 @@
};
usb1: gadget@fffa4000 {
+ pinctrl-0 = <&pinctrl_usb1_vbus_gpio>;
+ pinctrl-names = "default";
atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
status = "okay";
};
diff --git a/arch/arm/boot/dts/imx6q-prti6q.dts b/arch/arm/boot/dts/imx6q-prti6q.dts
index b4605edfd2ab..d8fa83effd63 100644
--- a/arch/arm/boot/dts/imx6q-prti6q.dts
+++ b/arch/arm/boot/dts/imx6q-prti6q.dts
@@ -364,8 +364,8 @@
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_wifi>;
interrupts-extended = <&gpio1 30 IRQ_TYPE_LEVEL_HIGH>;
- ref-clock-frequency = "38400000";
- tcxo-clock-frequency = "19200000";
+ ref-clock-frequency = <38400000>;
+ tcxo-clock-frequency = <19200000>;
};
};
diff --git a/arch/arm/boot/dts/imx6q-yapp4-crux.dts b/arch/arm/boot/dts/imx6q-yapp4-crux.dts
index 15f4824a5142..bddf3822ebf7 100644
--- a/arch/arm/boot/dts/imx6q-yapp4-crux.dts
+++ b/arch/arm/boot/dts/imx6q-yapp4-crux.dts
@@ -33,6 +33,10 @@
status = "okay";
};
+&reg_pu {
+ regulator-always-on;
+};
+
&reg_usb_h1_vbus {
status = "okay";
};
diff --git a/arch/arm/boot/dts/imx6qdl-gw5910.dtsi b/arch/arm/boot/dts/imx6qdl-gw5910.dtsi
index 68e5ab2e27e2..6bb4855d13ce 100644
--- a/arch/arm/boot/dts/imx6qdl-gw5910.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-gw5910.dtsi
@@ -29,7 +29,7 @@
user-pb {
label = "user_pb";
- gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>;
+ gpios = <&gsc_gpio 2 GPIO_ACTIVE_LOW>;
linux,code = <BTN_0>;
};
diff --git a/arch/arm/boot/dts/imx6qdl-gw5913.dtsi b/arch/arm/boot/dts/imx6qdl-gw5913.dtsi
index 8e23cec7149e..696427b487f0 100644
--- a/arch/arm/boot/dts/imx6qdl-gw5913.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-gw5913.dtsi
@@ -26,7 +26,7 @@
user-pb {
label = "user_pb";
- gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>;
+ gpios = <&gsc_gpio 2 GPIO_ACTIVE_LOW>;
linux,code = <BTN_0>;
};
diff --git a/arch/arm/boot/dts/imx6qp-yapp4-crux-plus.dts b/arch/arm/boot/dts/imx6qp-yapp4-crux-plus.dts
index cea165f2161a..afaf4a6759d4 100644
--- a/arch/arm/boot/dts/imx6qp-yapp4-crux-plus.dts
+++ b/arch/arm/boot/dts/imx6qp-yapp4-crux-plus.dts
@@ -33,6 +33,10 @@
status = "okay";
};
+&reg_pu {
+ regulator-always-on;
+};
+
&reg_usb_h1_vbus {
status = "okay";
};
diff --git a/arch/arm/boot/dts/lan966x-pcb8291.dts b/arch/arm/boot/dts/lan966x-pcb8291.dts
index f4f054cdf2a8..3a3d76af8612 100644
--- a/arch/arm/boot/dts/lan966x-pcb8291.dts
+++ b/arch/arm/boot/dts/lan966x-pcb8291.dts
@@ -69,6 +69,12 @@
pins = "GPIO_35", "GPIO_36";
function = "can0_b";
};
+
+ sgpio_a_pins: sgpio-a-pins {
+ /* SCK, D0, D1, LD */
+ pins = "GPIO_32", "GPIO_33", "GPIO_34", "GPIO_35";
+ function = "sgpio_a";
+ };
};
&can0 {
@@ -118,6 +124,20 @@
status = "okay";
};
+&sgpio {
+ pinctrl-0 = <&sgpio_a_pins>;
+ pinctrl-names = "default";
+ microchip,sgpio-port-ranges = <0 3>, <8 11>;
+ status = "okay";
+
+ gpio@0 {
+ ngpios = <64>;
+ };
+ gpio@1 {
+ ngpios = <64>;
+ };
+};
+
&switch {
status = "okay";
};
diff --git a/arch/arm/boot/dts/rk3036-evb.dts b/arch/arm/boot/dts/rk3036-evb.dts
index 9fd4d9db9f8f..becdc0b664bf 100644
--- a/arch/arm/boot/dts/rk3036-evb.dts
+++ b/arch/arm/boot/dts/rk3036-evb.dts
@@ -35,11 +35,10 @@
&i2c1 {
status = "okay";
- hym8563: hym8563@51 {
+ hym8563: rtc@51 {
compatible = "haoyu,hym8563";
reg = <0x51>;
#clock-cells = <0>;
- clock-frequency = <32768>;
clock-output-names = "xin32k";
};
};
diff --git a/arch/arm/boot/dts/rk3066a-mk808.dts b/arch/arm/boot/dts/rk3066a-mk808.dts
index cfa318a506eb..2db5ba706208 100644
--- a/arch/arm/boot/dts/rk3066a-mk808.dts
+++ b/arch/arm/boot/dts/rk3066a-mk808.dts
@@ -32,7 +32,7 @@
keyup-threshold-microvolt = <2500000>;
poll-interval = <100>;
- recovery {
+ button-recovery {
label = "recovery";
linux,code = <KEY_VENDOR>;
press-threshold-microvolt = <0>;
diff --git a/arch/arm/boot/dts/rk3188-radxarock.dts b/arch/arm/boot/dts/rk3188-radxarock.dts
index e7cf18823558..118deacd38c4 100644
--- a/arch/arm/boot/dts/rk3188-radxarock.dts
+++ b/arch/arm/boot/dts/rk3188-radxarock.dts
@@ -71,7 +71,7 @@
#sound-dai-cells = <0>;
};
- ir_recv: gpio-ir-receiver {
+ ir_recv: ir-receiver {
compatible = "gpio-ir-receiver";
gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>;
pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/rk3188.dtsi b/arch/arm/boot/dts/rk3188.dtsi
index cdd4a0bd5133..44b54af0bbf9 100644
--- a/arch/arm/boot/dts/rk3188.dtsi
+++ b/arch/arm/boot/dts/rk3188.dtsi
@@ -379,7 +379,7 @@
rockchip,pins = <2 RK_PD3 1 &pcfg_pull_none>;
};
- lcdc1_rgb24: ldcd1-rgb24 {
+ lcdc1_rgb24: lcdc1-rgb24 {
rockchip,pins = <2 RK_PA0 1 &pcfg_pull_none>,
<2 RK_PA1 1 &pcfg_pull_none>,
<2 RK_PA2 1 &pcfg_pull_none>,
@@ -607,7 +607,6 @@
&global_timer {
interrupts = <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_EDGE_RISING)>;
- status = "disabled";
};
&local_timer {
diff --git a/arch/arm/boot/dts/rk3288-evb-act8846.dts b/arch/arm/boot/dts/rk3288-evb-act8846.dts
index be695b8c1f67..8a635c243127 100644
--- a/arch/arm/boot/dts/rk3288-evb-act8846.dts
+++ b/arch/arm/boot/dts/rk3288-evb-act8846.dts
@@ -54,7 +54,7 @@
vin-supply = <&vcc_sys>;
};
- hym8563@51 {
+ rtc@51 {
compatible = "haoyu,hym8563";
reg = <0x51>;
diff --git a/arch/arm/boot/dts/rk3288-evb.dtsi b/arch/arm/boot/dts/rk3288-evb.dtsi
index 399d6b9c5fd4..382d2839cf47 100644
--- a/arch/arm/boot/dts/rk3288-evb.dtsi
+++ b/arch/arm/boot/dts/rk3288-evb.dtsi
@@ -28,19 +28,19 @@
press-threshold-microvolt = <300000>;
};
- menu {
+ button-menu {
label = "Menu";
linux,code = <KEY_MENU>;
press-threshold-microvolt = <640000>;
};
- esc {
+ button-esc {
label = "Esc";
linux,code = <KEY_ESC>;
press-threshold-microvolt = <1000000>;
};
- home {
+ button-home {
label = "Home";
linux,code = <KEY_HOME>;
press-threshold-microvolt = <1300000>;
diff --git a/arch/arm/boot/dts/rk3288-firefly.dtsi b/arch/arm/boot/dts/rk3288-firefly.dtsi
index 052afe5543e2..3836c61cfb76 100644
--- a/arch/arm/boot/dts/rk3288-firefly.dtsi
+++ b/arch/arm/boot/dts/rk3288-firefly.dtsi
@@ -233,11 +233,10 @@
vin-supply = <&vcc_sys>;
};
- hym8563: hym8563@51 {
+ hym8563: rtc@51 {
compatible = "haoyu,hym8563";
reg = <0x51>;
#clock-cells = <0>;
- clock-frequency = <32768>;
clock-output-names = "xin32k";
interrupt-parent = <&gpio7>;
interrupts = <RK_PA4 IRQ_TYPE_EDGE_FALLING>;
diff --git a/arch/arm/boot/dts/rk3288-miqi.dts b/arch/arm/boot/dts/rk3288-miqi.dts
index 713f55e143c6..db1eb648e0e1 100644
--- a/arch/arm/boot/dts/rk3288-miqi.dts
+++ b/arch/arm/boot/dts/rk3288-miqi.dts
@@ -162,11 +162,10 @@
vin-supply = <&vcc_sys>;
};
- hym8563: hym8563@51 {
+ hym8563: rtc@51 {
compatible = "haoyu,hym8563";
reg = <0x51>;
#clock-cells = <0>;
- clock-frequency = <32768>;
clock-output-names = "xin32k";
};
diff --git a/arch/arm/boot/dts/rk3288-rock2-square.dts b/arch/arm/boot/dts/rk3288-rock2-square.dts
index 80e0f07c8e87..13cfdaa95cc7 100644
--- a/arch/arm/boot/dts/rk3288-rock2-square.dts
+++ b/arch/arm/boot/dts/rk3288-rock2-square.dts
@@ -165,11 +165,10 @@
};
&i2c0 {
- hym8563: hym8563@51 {
+ hym8563: rtc@51 {
compatible = "haoyu,hym8563";
reg = <0x51>;
#clock-cells = <0>;
- clock-frequency = <32768>;
clock-output-names = "xin32k";
interrupt-parent = <&gpio0>;
interrupts = <RK_PA4 IRQ_TYPE_EDGE_FALLING>;
diff --git a/arch/arm/boot/dts/rk3288-vmarc-som.dtsi b/arch/arm/boot/dts/rk3288-vmarc-som.dtsi
index 0ae2bd150e37..793951655b73 100644
--- a/arch/arm/boot/dts/rk3288-vmarc-som.dtsi
+++ b/arch/arm/boot/dts/rk3288-vmarc-som.dtsi
@@ -241,7 +241,6 @@
interrupt-parent = <&gpio5>;
interrupts = <RK_PC3 IRQ_TYPE_LEVEL_LOW>;
#clock-cells = <0>;
- clock-frequency = <32768>;
clock-output-names = "hym8563";
pinctrl-names = "default";
pinctrl-0 = <&hym8563_int>;
diff --git a/arch/arm/boot/dts/rk3xxx.dtsi b/arch/arm/boot/dts/rk3xxx.dtsi
index bf285091a9eb..cb4e42ede56a 100644
--- a/arch/arm/boot/dts/rk3xxx.dtsi
+++ b/arch/arm/boot/dts/rk3xxx.dtsi
@@ -76,6 +76,13 @@
reg = <0x1013c200 0x20>;
interrupts = <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_EDGE_RISING)>;
clocks = <&cru CORE_PERI>;
+ status = "disabled";
+ /* The clock source and the sched_clock provided by the arm_global_timer
+ * on Rockchip rk3066a/rk3188 are quite unstable because their rates
+ * depend on the CPU frequency.
+ * Keep the arm_global_timer disabled in order to have the
+ * DW_APB_TIMER (rk3066a) or ROCKCHIP_TIMER (rk3188) selected by default.
+ */
};
local_timer: local-timer@1013c600 {
diff --git a/arch/arm/boot/dts/sama7g5-pinfunc.h b/arch/arm/boot/dts/sama7g5-pinfunc.h
index 4eb30445d205..6e87f0d4b8fc 100644
--- a/arch/arm/boot/dts/sama7g5-pinfunc.h
+++ b/arch/arm/boot/dts/sama7g5-pinfunc.h
@@ -261,7 +261,7 @@
#define PIN_PB2__FLEXCOM6_IO0 PINMUX_PIN(PIN_PB2, 2, 1)
#define PIN_PB2__ADTRG PINMUX_PIN(PIN_PB2, 3, 1)
#define PIN_PB2__A20 PINMUX_PIN(PIN_PB2, 4, 1)
-#define PIN_PB2__FLEXCOM11_IO0 PINMUX_PIN(PIN_PB2, 6, 3)
+#define PIN_PB2__FLEXCOM11_IO1 PINMUX_PIN(PIN_PB2, 6, 3)
#define PIN_PB3 35
#define PIN_PB3__GPIO PINMUX_PIN(PIN_PB3, 0, 0)
#define PIN_PB3__RF1 PINMUX_PIN(PIN_PB3, 1, 1)
diff --git a/arch/arm/boot/dts/ste-href.dtsi b/arch/arm/boot/dts/ste-href.dtsi
index fbaa0ce46427..8f1bb78fc1e4 100644
--- a/arch/arm/boot/dts/ste-href.dtsi
+++ b/arch/arm/boot/dts/ste-href.dtsi
@@ -24,6 +24,14 @@
polling-delay = <0>;
polling-delay-passive = <0>;
thermal-sensors = <&bat_therm>;
+
+ trips {
+ battery-crit-hi {
+ temperature = <70000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
};
};
diff --git a/arch/arm/boot/dts/ste-snowball.dts b/arch/arm/boot/dts/ste-snowball.dts
index 1c9094f24893..e2f0cdacba7d 100644
--- a/arch/arm/boot/dts/ste-snowball.dts
+++ b/arch/arm/boot/dts/ste-snowball.dts
@@ -28,6 +28,14 @@
polling-delay = <0>;
polling-delay-passive = <0>;
thermal-sensors = <&bat_therm>;
+
+ trips {
+ battery-crit-hi {
+ temperature = <70000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
};
};
diff --git a/arch/arm/boot/dts/ste-ux500-samsung-codina-tmo.dts b/arch/arm/boot/dts/ste-ux500-samsung-codina-tmo.dts
index d6940e0afa86..27a3ab7e25e1 100644
--- a/arch/arm/boot/dts/ste-ux500-samsung-codina-tmo.dts
+++ b/arch/arm/boot/dts/ste-ux500-samsung-codina-tmo.dts
@@ -44,6 +44,14 @@
polling-delay = <0>;
polling-delay-passive = <0>;
thermal-sensors = <&bat_therm>;
+
+ trips {
+ battery-crit-hi {
+ temperature = <70000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
};
};
diff --git a/arch/arm/boot/dts/ste-ux500-samsung-codina.dts b/arch/arm/boot/dts/ste-ux500-samsung-codina.dts
index 5f41256d7f4b..b88f0c07873d 100644
--- a/arch/arm/boot/dts/ste-ux500-samsung-codina.dts
+++ b/arch/arm/boot/dts/ste-ux500-samsung-codina.dts
@@ -57,6 +57,14 @@
polling-delay = <0>;
polling-delay-passive = <0>;
thermal-sensors = <&bat_therm>;
+
+ trips {
+ battery-crit-hi {
+ temperature = <70000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
};
};
diff --git a/arch/arm/boot/dts/ste-ux500-samsung-gavini.dts b/arch/arm/boot/dts/ste-ux500-samsung-gavini.dts
index 806da3fc33cd..7231bc745200 100644
--- a/arch/arm/boot/dts/ste-ux500-samsung-gavini.dts
+++ b/arch/arm/boot/dts/ste-ux500-samsung-gavini.dts
@@ -30,6 +30,14 @@
polling-delay = <0>;
polling-delay-passive = <0>;
thermal-sensors = <&bat_therm>;
+
+ trips {
+ battery-crit-hi {
+ temperature = <70000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
};
};
diff --git a/arch/arm/boot/dts/ste-ux500-samsung-golden.dts b/arch/arm/boot/dts/ste-ux500-samsung-golden.dts
index b0dce91aff4b..9604695edf53 100644
--- a/arch/arm/boot/dts/ste-ux500-samsung-golden.dts
+++ b/arch/arm/boot/dts/ste-ux500-samsung-golden.dts
@@ -35,6 +35,14 @@
polling-delay = <0>;
polling-delay-passive = <0>;
thermal-sensors = <&bat_therm>;
+
+ trips {
+ battery-crit-hi {
+ temperature = <70000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
};
};
diff --git a/arch/arm/boot/dts/ste-ux500-samsung-janice.dts b/arch/arm/boot/dts/ste-ux500-samsung-janice.dts
index ed5c79c3d04b..69387e8754a9 100644
--- a/arch/arm/boot/dts/ste-ux500-samsung-janice.dts
+++ b/arch/arm/boot/dts/ste-ux500-samsung-janice.dts
@@ -30,6 +30,14 @@
polling-delay = <0>;
polling-delay-passive = <0>;
thermal-sensors = <&bat_therm>;
+
+ trips {
+ battery-crit-hi {
+ temperature = <70000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
};
};
diff --git a/arch/arm/boot/dts/ste-ux500-samsung-kyle.dts b/arch/arm/boot/dts/ste-ux500-samsung-kyle.dts
index c57676faf181..167846df3104 100644
--- a/arch/arm/boot/dts/ste-ux500-samsung-kyle.dts
+++ b/arch/arm/boot/dts/ste-ux500-samsung-kyle.dts
@@ -34,6 +34,14 @@
polling-delay = <0>;
polling-delay-passive = <0>;
thermal-sensors = <&bat_therm>;
+
+ trips {
+ battery-crit-hi {
+ temperature = <70000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
};
};
diff --git a/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts b/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts
index 81b341a5ae45..93e5f5ed888d 100644
--- a/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts
+++ b/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts
@@ -30,6 +30,14 @@
polling-delay = <0>;
polling-delay-passive = <0>;
thermal-sensors = <&bat_therm>;
+
+ trips {
+ battery-crit-hi {
+ temperature = <70000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
};
};
diff --git a/arch/arm/configs/clps711x_defconfig b/arch/arm/configs/clps711x_defconfig
index 92481b2a88fa..adcee238822a 100644
--- a/arch/arm/configs/clps711x_defconfig
+++ b/arch/arm/configs/clps711x_defconfig
@@ -14,7 +14,8 @@ CONFIG_ARCH_EDB7211=y
CONFIG_ARCH_P720T=y
CONFIG_AEABI=y
# CONFIG_COREDUMP is not set
-CONFIG_SLOB=y
+CONFIG_SLUB=y
+CONFIG_SLUB_TINY=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
diff --git a/arch/arm/configs/collie_defconfig b/arch/arm/configs/collie_defconfig
index 2a2d2cb3ce2e..69341c33e0cc 100644
--- a/arch/arm/configs/collie_defconfig
+++ b/arch/arm/configs/collie_defconfig
@@ -13,7 +13,8 @@ CONFIG_CMDLINE="noinitrd root=/dev/mtdblock2 rootfstype=jffs2 fbcon=rotate:1"
CONFIG_FPE_NWFPE=y
CONFIG_PM=y
# CONFIG_SWAP is not set
-CONFIG_SLOB=y
+CONFIG_SLUB=y
+CONFIG_SLUB_TINY=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
diff --git a/arch/arm/configs/imx_v6_v7_defconfig b/arch/arm/configs/imx_v6_v7_defconfig
index 078d61b758a9..025eb333dcaa 100644
--- a/arch/arm/configs/imx_v6_v7_defconfig
+++ b/arch/arm/configs/imx_v6_v7_defconfig
@@ -166,6 +166,7 @@ CONFIG_TOUCHSCREEN_ADS7846=y
CONFIG_TOUCHSCREEN_AD7879=y
CONFIG_TOUCHSCREEN_AD7879_I2C=y
CONFIG_TOUCHSCREEN_ATMEL_MXT=y
+CONFIG_TOUCHSCREEN_CYTTSP5=y
CONFIG_TOUCHSCREEN_DA9052=y
CONFIG_TOUCHSCREEN_EGALAX=y
CONFIG_TOUCHSCREEN_GOODIX=y
@@ -222,6 +223,7 @@ CONFIG_RN5T618_POWER=m
CONFIG_SENSORS_MC13783_ADC=y
CONFIG_SENSORS_GPIO_FAN=y
CONFIG_SENSORS_IIO_HWMON=y
+CONFIG_SENSORS_SY7636A=y
CONFIG_THERMAL_STATISTICS=y
CONFIG_THERMAL_WRITABLE_TRIPS=y
CONFIG_CPU_THERMAL=y
@@ -237,6 +239,7 @@ CONFIG_MFD_DA9062=y
CONFIG_MFD_DA9063=y
CONFIG_MFD_MC13XXX_SPI=y
CONFIG_MFD_MC13XXX_I2C=y
+CONFIG_MFD_SY7636A=y
CONFIG_MFD_RN5T618=y
CONFIG_MFD_STMPE=y
CONFIG_REGULATOR_FIXED_VOLTAGE=y
@@ -250,6 +253,7 @@ CONFIG_REGULATOR_MC13783=y
CONFIG_REGULATOR_MC13892=y
CONFIG_REGULATOR_PFUZE100=y
CONFIG_REGULATOR_RN5T618=y
+CONFIG_REGULATOR_SY7636A=y
CONFIG_RC_CORE=y
CONFIG_RC_DEVICES=y
CONFIG_IR_GPIO_CIR=y
@@ -397,6 +401,7 @@ CONFIG_CLK_IMX8MN=y
CONFIG_CLK_IMX8MP=y
CONFIG_CLK_IMX8MQ=y
CONFIG_SOC_IMX8M=y
+CONFIG_EXTCON_USB_GPIO=y
CONFIG_IIO=y
CONFIG_MMA8452=y
CONFIG_IMX7D_ADC=y
diff --git a/arch/arm/configs/multi_v4t_defconfig b/arch/arm/configs/multi_v4t_defconfig
index e2fd822f741a..b60000a89aff 100644
--- a/arch/arm/configs/multi_v4t_defconfig
+++ b/arch/arm/configs/multi_v4t_defconfig
@@ -25,7 +25,8 @@ CONFIG_ARM_CLPS711X_CPUIDLE=y
CONFIG_JUMP_LABEL=y
CONFIG_PARTITION_ADVANCED=y
# CONFIG_COREDUMP is not set
-CONFIG_SLOB=y
+CONFIG_SLUB=y
+CONFIG_SLUB_TINY=y
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index b61b2e3d116b..ee184eb37adc 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -663,11 +663,11 @@ CONFIG_USB_VIDEO_CLASS=m
CONFIG_V4L_PLATFORM_DRIVERS=y
CONFIG_V4L_MEM2MEM_DRIVERS=y
CONFIG_VIDEO_ASPEED=m
-CONFIG_VIDEO_ATMEL_ISC=m
-CONFIG_VIDEO_ATMEL_XISC=m
CONFIG_VIDEO_ATMEL_ISI=m
-CONFIG_VIDEO_MICROCHIP_CSI2DC=m
CONFIG_VIDEO_MMP_CAMERA=m
+CONFIG_VIDEO_MICROCHIP_ISC=m
+CONFIG_VIDEO_MICROCHIP_XISC=m
+CONFIG_VIDEO_MICROCHIP_CSI2DC=m
CONFIG_VIDEO_TEGRA_VDE=m
CONFIG_VIDEO_RENESAS_CEU=m
CONFIG_VIDEO_RCAR_VIN=m
@@ -891,6 +891,8 @@ CONFIG_USB_CONFIGFS_F_UVC=y
CONFIG_USB_CONFIGFS_F_PRINTER=y
CONFIG_USB_ETH=m
CONFIG_TYPEC=m
+CONFIG_TYPEC_UCSI=m
+CONFIG_UCSI_STM32G0=m
CONFIG_TYPEC_STUSB160X=m
CONFIG_MMC=y
CONFIG_MMC_BLOCK_MINORS=16
diff --git a/arch/arm/configs/omap1_defconfig b/arch/arm/configs/omap1_defconfig
index 70511fe4b3ec..246f1bba7df5 100644
--- a/arch/arm/configs/omap1_defconfig
+++ b/arch/arm/configs/omap1_defconfig
@@ -42,7 +42,8 @@ CONFIG_MODULE_FORCE_UNLOAD=y
CONFIG_PARTITION_ADVANCED=y
CONFIG_BINFMT_MISC=y
# CONFIG_SWAP is not set
-CONFIG_SLOB=y
+CONFIG_SLUB=y
+CONFIG_SLUB_TINY=y
# CONFIG_VM_EVENT_COUNTERS is not set
CONFIG_NET=y
CONFIG_PACKET=y
diff --git a/arch/arm/configs/pxa_defconfig b/arch/arm/configs/pxa_defconfig
index d60cc9cc4c21..0a0f12df40b5 100644
--- a/arch/arm/configs/pxa_defconfig
+++ b/arch/arm/configs/pxa_defconfig
@@ -49,7 +49,8 @@ CONFIG_PARTITION_ADVANCED=y
CONFIG_LDM_PARTITION=y
CONFIG_CMDLINE_PARTITION=y
CONFIG_BINFMT_MISC=y
-CONFIG_SLOB=y
+CONFIG_SLUB=y
+CONFIG_SLUB_TINY=y
# CONFIG_COMPACTION is not set
CONFIG_NET=y
CONFIG_PACKET=y
diff --git a/arch/arm/configs/qcom_defconfig b/arch/arm/configs/qcom_defconfig
index 7d8b6884fd00..b41716c1ec64 100644
--- a/arch/arm/configs/qcom_defconfig
+++ b/arch/arm/configs/qcom_defconfig
@@ -131,14 +131,19 @@ CONFIG_PINCTRL_APQ8064=y
CONFIG_PINCTRL_APQ8084=y
CONFIG_PINCTRL_IPQ4019=y
CONFIG_PINCTRL_IPQ8064=y
+CONFIG_PINCTRL_MSM8226=y
CONFIG_PINCTRL_MSM8660=y
CONFIG_PINCTRL_MSM8960=y
+CONFIG_PINCTRL_MDM9607=y
CONFIG_PINCTRL_MDM9615=y
CONFIG_PINCTRL_MSM8X74=y
+CONFIG_PINCTRL_MSM8909=y
+CONFIG_PINCTRL_MSM8916=y
CONFIG_PINCTRL_QCOM_SPMI_PMIC=y
CONFIG_PINCTRL_QCOM_SSBI_PMIC=y
CONFIG_GPIOLIB=y
CONFIG_PINCTRL_SDX55=y
+CONFIG_PINCTRL_SDX65=y
CONFIG_GPIO_SYSFS=y
CONFIG_POWER_RESET=y
CONFIG_POWER_RESET_MSM=y
diff --git a/arch/arm/configs/sama5_defconfig b/arch/arm/configs/sama5_defconfig
index 877bbe7b777e..f89fd4e0d10a 100644
--- a/arch/arm/configs/sama5_defconfig
+++ b/arch/arm/configs/sama5_defconfig
@@ -150,8 +150,8 @@ CONFIG_MEDIA_PLATFORM_SUPPORT=y
CONFIG_MEDIA_USB_SUPPORT=y
CONFIG_USB_VIDEO_CLASS=m
CONFIG_V4L_PLATFORM_DRIVERS=y
-CONFIG_VIDEO_ATMEL_ISC=y
CONFIG_VIDEO_ATMEL_ISI=y
+CONFIG_VIDEO_MICROCHIP_ISC=y
CONFIG_VIDEO_MT9V032=m
CONFIG_VIDEO_OV2640=m
CONFIG_VIDEO_OV5640=m
diff --git a/arch/arm/configs/sama7_defconfig b/arch/arm/configs/sama7_defconfig
index 8f28c9d443f0..0d964c613d71 100644
--- a/arch/arm/configs/sama7_defconfig
+++ b/arch/arm/configs/sama7_defconfig
@@ -128,6 +128,10 @@ CONFIG_POWER_RESET=y
CONFIG_POWER_RESET_AT91_RESET=y
CONFIG_POWER_RESET_AT91_SAMA5D2_SHDWC=y
# CONFIG_HWMON is not set
+CONFIG_THERMAL=y
+CONFIG_THERMAL_STATISTICS=y
+CONFIG_CPU_THERMAL=y
+CONFIG_GENERIC_ADC_THERMAL=y
CONFIG_WATCHDOG=y
CONFIG_SAMA5D4_WATCHDOG=y
CONFIG_MFD_ATMEL_FLEXCOM=y
@@ -140,7 +144,7 @@ CONFIG_MEDIA_SUPPORT_FILTER=y
CONFIG_MEDIA_CAMERA_SUPPORT=y
CONFIG_MEDIA_PLATFORM_SUPPORT=y
CONFIG_V4L_PLATFORM_DRIVERS=y
-CONFIG_VIDEO_ATMEL_XISC=y
+CONFIG_VIDEO_MICROCHIP_XISC=y
CONFIG_VIDEO_MICROCHIP_CSI2DC=y
CONFIG_VIDEO_IMX219=m
CONFIG_VIDEO_IMX274=m
@@ -196,6 +200,7 @@ CONFIG_PWM=y
CONFIG_PWM_ATMEL=y
CONFIG_MCHP_EIC=y
CONFIG_RESET_CONTROLLER=y
+CONFIG_NVMEM_MICROCHIP_OTPC=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
CONFIG_FANOTIFY=y
@@ -211,13 +216,13 @@ CONFIG_NLS_ISO8859_1=y
CONFIG_NLS_UTF8=y
CONFIG_LSM="N"
CONFIG_CRYPTO_AUTHENC=y
-CONFIG_CRYPTO_GCM=y
+CONFIG_CRYPTO_DES=y
CONFIG_CRYPTO_CBC=y
CONFIG_CRYPTO_CFB=y
CONFIG_CRYPTO_OFB=y
CONFIG_CRYPTO_XTS=y
+CONFIG_CRYPTO_GCM=y
CONFIG_CRYPTO_SHA1=y
-CONFIG_CRYPTO_DES=y
CONFIG_CRYPTO_USER_API_HASH=m
CONFIG_CRYPTO_USER_API_SKCIPHER=m
CONFIG_CRYPTO_DEV_ATMEL_AES=y
diff --git a/arch/arm/configs/spear6xx_defconfig b/arch/arm/configs/spear6xx_defconfig
index 3d631b1f3cfa..3e2c2abae5ba 100644
--- a/arch/arm/configs/spear6xx_defconfig
+++ b/arch/arm/configs/spear6xx_defconfig
@@ -11,7 +11,6 @@ CONFIG_PARTITION_ADVANCED=y
CONFIG_BINFMT_MISC=y
CONFIG_NET=y
CONFIG_MTD=y
-CONFIG_MTD_OF_PARTS=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_RAW_NAND=y
CONFIG_MTD_NAND_FSMC=y
@@ -28,23 +27,21 @@ CONFIG_NETDEVICES=y
# CONFIG_NET_VENDOR_SMSC is not set
CONFIG_STMMAC_ETH=y
# CONFIG_WLAN is not set
-CONFIG_INPUT_FF_MEMLESS=y
-# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
# CONFIG_LEGACY_PTYS is not set
CONFIG_SERIAL_AMBA_PL011=y
CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
-CONFIG_RAW_DRIVER=y
CONFIG_I2C=y
CONFIG_I2C_DESIGNWARE_PLATFORM=y
CONFIG_SPI=y
CONFIG_SPI_PL022=y
-CONFIG_GPIO_SYSFS=y
CONFIG_GPIO_PL061=y
# CONFIG_HWMON is not set
CONFIG_WATCHDOG=y
CONFIG_ARM_SP805_WATCHDOG=y
+CONFIG_DRM=y
+CONFIG_DRM_PL111=y
CONFIG_USB=y
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_OHCI_HCD=y
diff --git a/arch/arm/configs/tct_hammer_defconfig b/arch/arm/configs/tct_hammer_defconfig
index 3b29ae1fb750..6bd38b6f22c4 100644
--- a/arch/arm/configs/tct_hammer_defconfig
+++ b/arch/arm/configs/tct_hammer_defconfig
@@ -19,7 +19,8 @@ CONFIG_FPE_NWFPE=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_SWAP is not set
-CONFIG_SLOB=y
+CONFIG_SLUB=y
+CONFIG_SLUB_TINY=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
diff --git a/arch/arm/configs/xcep_defconfig b/arch/arm/configs/xcep_defconfig
index ea59e4b6bfc5..6bd9f71b71fc 100644
--- a/arch/arm/configs/xcep_defconfig
+++ b/arch/arm/configs/xcep_defconfig
@@ -26,7 +26,8 @@ CONFIG_MODULE_UNLOAD=y
CONFIG_MODVERSIONS=y
CONFIG_MODULE_SRCVERSION_ALL=y
# CONFIG_BLOCK is not set
-CONFIG_SLOB=y
+CONFIG_SLUB=y
+CONFIG_SLUB_TINY=y
# CONFIG_COMPAT_BRK is not set
# CONFIG_VM_EVENT_COUNTERS is not set
CONFIG_NET=y
diff --git a/arch/arm/include/asm/perf_event.h b/arch/arm/include/asm/perf_event.h
index fe87397c3d8c..bdbc1e590891 100644
--- a/arch/arm/include/asm/perf_event.h
+++ b/arch/arm/include/asm/perf_event.h
@@ -17,7 +17,7 @@ extern unsigned long perf_misc_flags(struct pt_regs *regs);
#define perf_arch_fetch_caller_regs(regs, __ip) { \
(regs)->ARM_pc = (__ip); \
- (regs)->ARM_fp = (unsigned long) __builtin_frame_address(0); \
+ frame_pointer((regs)) = (unsigned long) __builtin_frame_address(0); \
(regs)->ARM_sp = current_stack_pointer; \
(regs)->ARM_cpsr = SVC_MODE; \
}
diff --git a/arch/arm/include/asm/pgtable-nommu.h b/arch/arm/include/asm/pgtable-nommu.h
index d16aba48fa0a..090011394477 100644
--- a/arch/arm/include/asm/pgtable-nommu.h
+++ b/arch/arm/include/asm/pgtable-nommu.h
@@ -45,12 +45,6 @@
typedef pte_t *pte_addr_t;
/*
- * ZERO_PAGE is a global shared page that is always zero: used
- * for zero-mapped memory areas etc..
- */
-#define ZERO_PAGE(vaddr) (virt_to_page(0))
-
-/*
* Mark the prot value as uncacheable and unbufferable.
*/
#define pgprot_noncached(prot) (prot)
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index 78a532068fec..ef48a55e9af8 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -10,6 +10,15 @@
#include <linux/const.h>
#include <asm/proc-fns.h>
+#ifndef __ASSEMBLY__
+/*
+ * ZERO_PAGE is a global shared page that is always zero: used
+ * for zero-mapped memory areas etc..
+ */
+extern struct page *empty_zero_page;
+#define ZERO_PAGE(vaddr) (empty_zero_page)
+#endif
+
#ifndef CONFIG_MMU
#include <asm-generic/pgtable-nopud.h>
@@ -139,13 +148,6 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
*/
#ifndef __ASSEMBLY__
-/*
- * ZERO_PAGE is a global shared page that is always zero: used
- * for zero-mapped memory areas etc..
- */
-extern struct page *empty_zero_page;
-#define ZERO_PAGE(vaddr) (empty_zero_page)
-
extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
diff --git a/arch/arm/mach-at91/pm_suspend.S b/arch/arm/mach-at91/pm_suspend.S
index ffed4d949042..e4904faf1753 100644
--- a/arch/arm/mach-at91/pm_suspend.S
+++ b/arch/arm/mach-at91/pm_suspend.S
@@ -169,10 +169,15 @@ sr_ena_2:
cmp tmp1, #UDDRC_STAT_SELFREF_TYPE_SW
bne sr_ena_2
- /* Put DDR PHY's DLL in bypass mode for non-backup modes. */
+ /* Disable DX DLLs for non-backup modes. */
cmp r7, #AT91_PM_BACKUP
beq sr_ena_3
+ /* Do not soft reset the AC DLL. */
+ ldr tmp1, [r3, DDR3PHY_ACDLLCR]
+ bic tmp1, tmp1, DDR3PHY_ACDLLCR_DLLSRST
+ str tmp1, [r3, DDR3PHY_ACDLLCR]
+
/* Disable DX DLLs. */
ldr tmp1, [r3, #DDR3PHY_DX0DLLCR]
orr tmp1, tmp1, #DDR3PHY_DXDLLCR_DLLDIS
diff --git a/arch/arm/mach-at91/sama5.c b/arch/arm/mach-at91/sama5.c
index 67ed68fbe3a5..bf2b5c6a18c6 100644
--- a/arch/arm/mach-at91/sama5.c
+++ b/arch/arm/mach-at91/sama5.c
@@ -26,7 +26,7 @@ static void sama5_l2c310_write_sec(unsigned long val, unsigned reg)
static void __init sama5_secure_cache_init(void)
{
sam_secure_init();
- if (sam_linux_is_optee_available())
+ if (IS_ENABLED(CONFIG_OUTER_CACHE) && sam_linux_is_optee_available())
outer_cache.write_sec = sama5_l2c310_write_sec;
}
diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c
index 02afedcc9418..0129b7c514d7 100644
--- a/arch/arm/mach-mxs/mach-mxs.c
+++ b/arch/arm/mach-mxs/mach-mxs.c
@@ -392,8 +392,10 @@ static void __init mxs_machine_init(void)
root = of_find_node_by_path("/");
ret = of_property_read_string(root, "model", &soc_dev_attr->machine);
- if (ret)
+ if (ret) {
+ kfree(soc_dev_attr);
return;
+ }
soc_dev_attr->family = "Freescale MXS Family";
soc_dev_attr->soc_id = mxs_get_soc_id();
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index 46cccd6bf705..de988cba9a4b 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -105,6 +105,19 @@ static inline bool is_write_fault(unsigned int fsr)
return (fsr & FSR_WRITE) && !(fsr & FSR_CM);
}
+static inline bool is_translation_fault(unsigned int fsr)
+{
+ int fs = fsr_fs(fsr);
+#ifdef CONFIG_ARM_LPAE
+ if ((fs & FS_MMU_NOLL_MASK) == FS_TRANS_NOLL)
+ return true;
+#else
+ if (fs == FS_L1_TRANS || fs == FS_L2_TRANS)
+ return true;
+#endif
+ return false;
+}
+
static void die_kernel_fault(const char *msg, struct mm_struct *mm,
unsigned long addr, unsigned int fsr,
struct pt_regs *regs)
@@ -140,7 +153,8 @@ __do_kernel_fault(struct mm_struct *mm, unsigned long addr, unsigned int fsr,
if (addr < PAGE_SIZE) {
msg = "NULL pointer dereference";
} else {
- if (kfence_handle_page_fault(addr, is_write_fault(fsr), regs))
+ if (is_translation_fault(fsr) &&
+ kfence_handle_page_fault(addr, is_write_fault(fsr), regs))
return;
msg = "paging request";
@@ -208,7 +222,7 @@ static inline bool is_permission_fault(unsigned int fsr)
{
int fs = fsr_fs(fsr);
#ifdef CONFIG_ARM_LPAE
- if ((fs & FS_PERM_NOLL_MASK) == FS_PERM_NOLL)
+ if ((fs & FS_MMU_NOLL_MASK) == FS_PERM_NOLL)
return true;
#else
if (fs == FS_L1_PERM || fs == FS_L2_PERM)
diff --git a/arch/arm/mm/fault.h b/arch/arm/mm/fault.h
index 83b5ab32d7a4..54927ba1fa6e 100644
--- a/arch/arm/mm/fault.h
+++ b/arch/arm/mm/fault.h
@@ -14,8 +14,9 @@
#ifdef CONFIG_ARM_LPAE
#define FSR_FS_AEA 17
+#define FS_TRANS_NOLL 0x4
#define FS_PERM_NOLL 0xC
-#define FS_PERM_NOLL_MASK 0x3C
+#define FS_MMU_NOLL_MASK 0x3C
static inline int fsr_fs(unsigned int fsr)
{
@@ -23,8 +24,10 @@ static inline int fsr_fs(unsigned int fsr)
}
#else
#define FSR_FS_AEA 22
-#define FS_L1_PERM 0xD
-#define FS_L2_PERM 0xF
+#define FS_L1_TRANS 0x5
+#define FS_L2_TRANS 0x7
+#define FS_L1_PERM 0xD
+#define FS_L2_PERM 0xF
static inline int fsr_fs(unsigned int fsr)
{
diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c
index c42debaded95..c1494a4dee25 100644
--- a/arch/arm/mm/nommu.c
+++ b/arch/arm/mm/nommu.c
@@ -26,6 +26,13 @@
unsigned long vectors_base;
+/*
+ * empty_zero_page is a special page that is used for
+ * zero-initialized data and COW.
+ */
+struct page *empty_zero_page;
+EXPORT_SYMBOL(empty_zero_page);
+
#ifdef CONFIG_ARM_MPU
struct mpu_rgn_info mpu_rgn_info;
#endif
@@ -148,9 +155,21 @@ void __init adjust_lowmem_bounds(void)
*/
void __init paging_init(const struct machine_desc *mdesc)
{
+ void *zero_page;
+
early_trap_init((void *)vectors_base);
mpu_setup();
+
+ /* allocate the zero page. */
+ zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+ if (!zero_page)
+ panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+ __func__, PAGE_SIZE, PAGE_SIZE);
+
bootmem_init();
+
+ empty_zero_page = virt_to_page(zero_page);
+ flush_dcache_page(empty_zero_page);
}
/*