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-rw-r--r--arch/arm/Kconfig3
-rw-r--r--arch/arm/Kconfig.debug6
-rw-r--r--arch/arm/boot/compressed/head.S16
-rw-r--r--arch/arm/boot/dts/am335x-evm.dts26
-rw-r--r--arch/arm/boot/dts/am335x-evmsk.dts26
-rw-r--r--arch/arm/boot/dts/am33xx-l4.dtsi4
-rw-r--r--arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts2
-rw-r--r--arch/arm/boot/dts/imx6dl-yapp4-common.dtsi6
-rw-r--r--arch/arm/boot/dts/imx6qdl-icore-rqs.dtsi4
-rw-r--r--arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi1
-rw-r--r--arch/arm/boot/dts/imx6ull-pinfunc-snvs.h2
-rw-r--r--arch/arm/boot/dts/rk3288-tinker.dtsi3
-rw-r--r--arch/arm/boot/dts/rk3288-veyron.dtsi2
-rw-r--r--arch/arm/boot/dts/rk3288.dtsi20
-rw-r--r--arch/arm/boot/dts/sama5d2-pinfunc.h2
-rw-r--r--arch/arm/configs/imx_v4_v5_defconfig3
-rw-r--r--arch/arm/configs/imx_v6_v7_defconfig2
-rw-r--r--arch/arm/configs/socfpga_defconfig1
-rw-r--r--arch/arm/include/asm/kvm_mmu.h11
-rw-r--r--arch/arm/include/asm/stage2_pgtable.h2
-rw-r--r--arch/arm/include/asm/syscall.h47
-rw-r--r--arch/arm/include/uapi/asm/Kbuild1
-rw-r--r--arch/arm/include/uapi/asm/kvm_para.h2
-rw-r--r--arch/arm/kernel/head-nommu.S2
-rw-r--r--arch/arm/mach-at91/pm.c6
-rw-r--r--arch/arm/mach-cns3xxx/core.c2
-rw-r--r--arch/arm/mach-imx/cpuidle-imx6q.c27
-rw-r--r--arch/arm/mach-imx/mach-imx51.c1
-rw-r--r--arch/arm/mach-iop13xx/setup.c8
-rw-r--r--arch/arm/mach-iop13xx/tpmi.c10
-rw-r--r--arch/arm/mach-milbeaut/platsmp.c4
-rw-r--r--arch/arm/mach-omap1/board-ams-delta.c2
-rw-r--r--arch/arm/mach-omap2/display.c4
-rw-r--r--arch/arm/plat-iop/adma.c6
-rw-r--r--arch/arm/plat-orion/common.c4
-rw-r--r--arch/arm/tools/syscall.tbl4
36 files changed, 157 insertions, 115 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 054ead960f98..9aed25a6019b 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -73,7 +73,7 @@ config ARM
select HAVE_EFFICIENT_UNALIGNED_ACCESS if (CPU_V6 || CPU_V6K || CPU_V7) && MMU
select HAVE_EXIT_THREAD
select HAVE_FTRACE_MCOUNT_RECORD if !XIP_KERNEL
- select HAVE_FUNCTION_GRAPH_TRACER if !THUMB2_KERNEL
+ select HAVE_FUNCTION_GRAPH_TRACER if !THUMB2_KERNEL && !CC_IS_CLANG
select HAVE_FUNCTION_TRACER if !XIP_KERNEL
select HAVE_GCC_PLUGINS
select HAVE_HW_BREAKPOINT if PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7)
@@ -596,6 +596,7 @@ config ARCH_DAVINCI
select HAVE_IDE
select PM_GENERIC_DOMAINS if PM
select PM_GENERIC_DOMAINS_OF if PM && OF
+ select REGMAP_MMIO
select RESET_CONTROLLER
select SPARSE_IRQ
select USE_OF
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 6d6e0330930b..e388af4594a6 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -47,8 +47,8 @@ config DEBUG_WX
choice
prompt "Choose kernel unwinder"
- default UNWINDER_ARM if AEABI && !FUNCTION_GRAPH_TRACER
- default UNWINDER_FRAME_POINTER if !AEABI || FUNCTION_GRAPH_TRACER
+ default UNWINDER_ARM if AEABI
+ default UNWINDER_FRAME_POINTER if !AEABI
help
This determines which method will be used for unwinding kernel stack
traces for panics, oopses, bugs, warnings, perf, /proc/<pid>/stack,
@@ -65,7 +65,7 @@ config UNWINDER_FRAME_POINTER
config UNWINDER_ARM
bool "ARM EABI stack unwinder"
- depends on AEABI
+ depends on AEABI && !FUNCTION_GRAPH_TRACER
select ARM_UNWIND
help
This option enables stack unwinding support in the kernel
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 6c7ccb428c07..7135820f76d4 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -1438,7 +1438,21 @@ ENTRY(efi_stub_entry)
@ Preserve return value of efi_entry() in r4
mov r4, r0
- bl cache_clean_flush
+
+ @ our cache maintenance code relies on CP15 barrier instructions
+ @ but since we arrived here with the MMU and caches configured
+ @ by UEFI, we must check that the CP15BEN bit is set in SCTLR.
+ @ Note that this bit is RAO/WI on v6 and earlier, so the ISB in
+ @ the enable path will be executed on v7+ only.
+ mrc p15, 0, r1, c1, c0, 0 @ read SCTLR
+ tst r1, #(1 << 5) @ CP15BEN bit set?
+ bne 0f
+ orr r1, r1, #(1 << 5) @ CP15 barrier instructions
+ mcr p15, 0, r1, c1, c0, 0 @ write SCTLR
+ ARM( .inst 0xf57ff06f @ v7+ isb )
+ THUMB( isb )
+
+0: bl cache_clean_flush
bl cache_off
@ Set parameters for booting zImage according to boot protocol
diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts
index dce5be5df97b..edcff79879e7 100644
--- a/arch/arm/boot/dts/am335x-evm.dts
+++ b/arch/arm/boot/dts/am335x-evm.dts
@@ -57,6 +57,24 @@
enable-active-high;
};
+ /* TPS79501 */
+ v1_8d_reg: fixedregulator-v1_8d {
+ compatible = "regulator-fixed";
+ regulator-name = "v1_8d";
+ vin-supply = <&vbat>;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ /* TPS79501 */
+ v3_3d_reg: fixedregulator-v3_3d {
+ compatible = "regulator-fixed";
+ regulator-name = "v3_3d";
+ vin-supply = <&vbat>;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
matrix_keypad: matrix_keypad0 {
compatible = "gpio-matrix-keypad";
debounce-delay-ms = <5>;
@@ -499,10 +517,10 @@
status = "okay";
/* Regulators */
- AVDD-supply = <&vaux2_reg>;
- IOVDD-supply = <&vaux2_reg>;
- DRVDD-supply = <&vaux2_reg>;
- DVDD-supply = <&vbat>;
+ AVDD-supply = <&v3_3d_reg>;
+ IOVDD-supply = <&v3_3d_reg>;
+ DRVDD-supply = <&v3_3d_reg>;
+ DVDD-supply = <&v1_8d_reg>;
};
};
diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts
index b128998097ce..2c2d8b5b8cf5 100644
--- a/arch/arm/boot/dts/am335x-evmsk.dts
+++ b/arch/arm/boot/dts/am335x-evmsk.dts
@@ -73,6 +73,24 @@
enable-active-high;
};
+ /* TPS79518 */
+ v1_8d_reg: fixedregulator-v1_8d {
+ compatible = "regulator-fixed";
+ regulator-name = "v1_8d";
+ vin-supply = <&vbat>;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ /* TPS78633 */
+ v3_3d_reg: fixedregulator-v3_3d {
+ compatible = "regulator-fixed";
+ regulator-name = "v3_3d";
+ vin-supply = <&vbat>;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
leds {
pinctrl-names = "default";
pinctrl-0 = <&user_leds_s0>;
@@ -501,10 +519,10 @@
status = "okay";
/* Regulators */
- AVDD-supply = <&vaux2_reg>;
- IOVDD-supply = <&vaux2_reg>;
- DRVDD-supply = <&vaux2_reg>;
- DVDD-supply = <&vbat>;
+ AVDD-supply = <&v3_3d_reg>;
+ IOVDD-supply = <&v3_3d_reg>;
+ DRVDD-supply = <&v3_3d_reg>;
+ DVDD-supply = <&v1_8d_reg>;
};
};
diff --git a/arch/arm/boot/dts/am33xx-l4.dtsi b/arch/arm/boot/dts/am33xx-l4.dtsi
index f459ec316a22..ca6d9f02a800 100644
--- a/arch/arm/boot/dts/am33xx-l4.dtsi
+++ b/arch/arm/boot/dts/am33xx-l4.dtsi
@@ -1762,7 +1762,7 @@
reg = <0xcc000 0x4>;
reg-names = "rev";
/* Domains (P, C): per_pwrdm, l4ls_clkdm */
- clocks = <&l4ls_clkctrl AM3_D_CAN0_CLKCTRL 0>;
+ clocks = <&l4ls_clkctrl AM3_L4LS_D_CAN0_CLKCTRL 0>;
clock-names = "fck";
#address-cells = <1>;
#size-cells = <1>;
@@ -1785,7 +1785,7 @@
reg = <0xd0000 0x4>;
reg-names = "rev";
/* Domains (P, C): per_pwrdm, l4ls_clkdm */
- clocks = <&l4ls_clkctrl AM3_D_CAN1_CLKCTRL 0>;
+ clocks = <&l4ls_clkctrl AM3_L4LS_D_CAN1_CLKCTRL 0>;
clock-names = "fck";
#address-cells = <1>;
#size-cells = <1>;
diff --git a/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts b/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts
index 5641d162dfdb..28e7513ce617 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts
@@ -93,7 +93,7 @@
};
&hdmi {
- hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
+ hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>;
};
&pwm {
diff --git a/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi b/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi
index b715ab0fa1ff..e8d800fec637 100644
--- a/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi
+++ b/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi
@@ -114,9 +114,9 @@
reg = <2>;
};
- switch@0 {
+ switch@10 {
compatible = "qca,qca8334";
- reg = <0>;
+ reg = <10>;
switch_ports: ports {
#address-cells = <1>;
@@ -125,7 +125,7 @@
ethphy0: port@0 {
reg = <0>;
label = "cpu";
- phy-mode = "rgmii";
+ phy-mode = "rgmii-id";
ethernet = <&fec>;
fixed-link {
diff --git a/arch/arm/boot/dts/imx6qdl-icore-rqs.dtsi b/arch/arm/boot/dts/imx6qdl-icore-rqs.dtsi
index 1d1b4bd0670f..a4217f564a53 100644
--- a/arch/arm/boot/dts/imx6qdl-icore-rqs.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-icore-rqs.dtsi
@@ -264,7 +264,7 @@
pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
vmcc-supply = <&reg_sd3_vmmc>;
cd-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>;
- bus-witdh = <4>;
+ bus-width = <4>;
no-1-8-v;
status = "okay";
};
@@ -275,7 +275,7 @@
pinctrl-1 = <&pinctrl_usdhc4_100mhz>;
pinctrl-2 = <&pinctrl_usdhc4_200mhz>;
vmcc-supply = <&reg_sd4_vmmc>;
- bus-witdh = <8>;
+ bus-width = <8>;
no-1-8-v;
non-removable;
status = "okay";
diff --git a/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi b/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi
index 433bf09a1954..027df06c5dc7 100644
--- a/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi
@@ -91,6 +91,7 @@
pinctrl-0 = <&pinctrl_enet>;
phy-handle = <&ethphy>;
phy-mode = "rgmii";
+ phy-reset-duration = <10>; /* in msecs */
phy-reset-gpios = <&gpio3 23 GPIO_ACTIVE_LOW>;
phy-supply = <&vdd_eth_io_reg>;
status = "disabled";
diff --git a/arch/arm/boot/dts/imx6ull-pinfunc-snvs.h b/arch/arm/boot/dts/imx6ull-pinfunc-snvs.h
index f6fb6783c193..54cfe72295aa 100644
--- a/arch/arm/boot/dts/imx6ull-pinfunc-snvs.h
+++ b/arch/arm/boot/dts/imx6ull-pinfunc-snvs.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2016 Freescale Semiconductor, Inc.
* Copyright (C) 2017 NXP
diff --git a/arch/arm/boot/dts/rk3288-tinker.dtsi b/arch/arm/boot/dts/rk3288-tinker.dtsi
index aa107ee41b8b..ef653c3209bc 100644
--- a/arch/arm/boot/dts/rk3288-tinker.dtsi
+++ b/arch/arm/boot/dts/rk3288-tinker.dtsi
@@ -254,6 +254,7 @@
};
vccio_sd: LDO_REG5 {
+ regulator-boot-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-name = "vccio_sd";
@@ -430,7 +431,7 @@
bus-width = <4>;
cap-mmc-highspeed;
cap-sd-highspeed;
- card-detect-delay = <200>;
+ broken-cd;
disable-wp; /* wp not hooked up */
pinctrl-names = "default";
pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd &sdmmc_bus4>;
diff --git a/arch/arm/boot/dts/rk3288-veyron.dtsi b/arch/arm/boot/dts/rk3288-veyron.dtsi
index 0bc2409f6903..192dbc089ade 100644
--- a/arch/arm/boot/dts/rk3288-veyron.dtsi
+++ b/arch/arm/boot/dts/rk3288-veyron.dtsi
@@ -25,8 +25,6 @@
gpio_keys: gpio-keys {
compatible = "gpio-keys";
- #address-cells = <1>;
- #size-cells = <0>;
pinctrl-names = "default";
pinctrl-0 = <&pwr_key_l>;
diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index ca7d52daa8fb..a024d1e7e74c 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -70,7 +70,7 @@
compatible = "arm,cortex-a12";
reg = <0x501>;
resets = <&cru SRST_CORE1>;
- operating-points = <&cpu_opp_table>;
+ operating-points-v2 = <&cpu_opp_table>;
#cooling-cells = <2>; /* min followed by max */
clock-latency = <40000>;
clocks = <&cru ARMCLK>;
@@ -80,7 +80,7 @@
compatible = "arm,cortex-a12";
reg = <0x502>;
resets = <&cru SRST_CORE2>;
- operating-points = <&cpu_opp_table>;
+ operating-points-v2 = <&cpu_opp_table>;
#cooling-cells = <2>; /* min followed by max */
clock-latency = <40000>;
clocks = <&cru ARMCLK>;
@@ -90,7 +90,7 @@
compatible = "arm,cortex-a12";
reg = <0x503>;
resets = <&cru SRST_CORE3>;
- operating-points = <&cpu_opp_table>;
+ operating-points-v2 = <&cpu_opp_table>;
#cooling-cells = <2>; /* min followed by max */
clock-latency = <40000>;
clocks = <&cru ARMCLK>;
@@ -1119,8 +1119,6 @@
clock-names = "ref", "pclk";
power-domains = <&power RK3288_PD_VIO>;
rockchip,grf = <&grf>;
- #address-cells = <1>;
- #size-cells = <0>;
status = "disabled";
ports {
@@ -1282,27 +1280,27 @@
gpu_opp_table: gpu-opp-table {
compatible = "operating-points-v2";
- opp@100000000 {
+ opp-100000000 {
opp-hz = /bits/ 64 <100000000>;
opp-microvolt = <950000>;
};
- opp@200000000 {
+ opp-200000000 {
opp-hz = /bits/ 64 <200000000>;
opp-microvolt = <950000>;
};
- opp@300000000 {
+ opp-300000000 {
opp-hz = /bits/ 64 <300000000>;
opp-microvolt = <1000000>;
};
- opp@400000000 {
+ opp-400000000 {
opp-hz = /bits/ 64 <400000000>;
opp-microvolt = <1100000>;
};
- opp@500000000 {
+ opp-500000000 {
opp-hz = /bits/ 64 <500000000>;
opp-microvolt = <1200000>;
};
- opp@600000000 {
+ opp-600000000 {
opp-hz = /bits/ 64 <600000000>;
opp-microvolt = <1250000>;
};
diff --git a/arch/arm/boot/dts/sama5d2-pinfunc.h b/arch/arm/boot/dts/sama5d2-pinfunc.h
index 1c01a6f843d8..28a2e45752fe 100644
--- a/arch/arm/boot/dts/sama5d2-pinfunc.h
+++ b/arch/arm/boot/dts/sama5d2-pinfunc.h
@@ -518,7 +518,7 @@
#define PIN_PC9__GPIO PINMUX_PIN(PIN_PC9, 0, 0)
#define PIN_PC9__FIQ PINMUX_PIN(PIN_PC9, 1, 3)
#define PIN_PC9__GTSUCOMP PINMUX_PIN(PIN_PC9, 2, 1)
-#define PIN_PC9__ISC_D0 PINMUX_PIN(PIN_PC9, 2, 1)
+#define PIN_PC9__ISC_D0 PINMUX_PIN(PIN_PC9, 3, 1)
#define PIN_PC9__TIOA4 PINMUX_PIN(PIN_PC9, 4, 2)
#define PIN_PC10 74
#define PIN_PC10__GPIO PINMUX_PIN(PIN_PC10, 0, 0)
diff --git a/arch/arm/configs/imx_v4_v5_defconfig b/arch/arm/configs/imx_v4_v5_defconfig
index 8661dd9b064a..b37f8e675e40 100644
--- a/arch/arm/configs/imx_v4_v5_defconfig
+++ b/arch/arm/configs/imx_v4_v5_defconfig
@@ -170,6 +170,9 @@ CONFIG_IMX_SDMA=y
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_IIO=y
CONFIG_FSL_MX25_ADC=y
+CONFIG_PWM=y
+CONFIG_PWM_IMX1=y
+CONFIG_PWM_IMX27=y
CONFIG_EXT4_FS=y
# CONFIG_DNOTIFY is not set
CONFIG_VFAT_FS=y
diff --git a/arch/arm/configs/imx_v6_v7_defconfig b/arch/arm/configs/imx_v6_v7_defconfig
index 5586a5074a96..50fb01d70b10 100644
--- a/arch/arm/configs/imx_v6_v7_defconfig
+++ b/arch/arm/configs/imx_v6_v7_defconfig
@@ -398,7 +398,7 @@ CONFIG_MAG3110=y
CONFIG_MPL3115=y
CONFIG_PWM=y
CONFIG_PWM_FSL_FTM=y
-CONFIG_PWM_IMX=y
+CONFIG_PWM_IMX27=y
CONFIG_NVMEM_IMX_OCOTP=y
CONFIG_NVMEM_VF610_OCOTP=y
CONFIG_TEE=y
diff --git a/arch/arm/configs/socfpga_defconfig b/arch/arm/configs/socfpga_defconfig
index 08d1b3e11d68..2d29992a60d2 100644
--- a/arch/arm/configs/socfpga_defconfig
+++ b/arch/arm/configs/socfpga_defconfig
@@ -106,6 +106,7 @@ CONFIG_SENSORS_LTC2978_REGULATOR=y
CONFIG_WATCHDOG=y
CONFIG_DW_WATCHDOG=y
CONFIG_MFD_ALTERA_A10SR=y
+CONFIG_MFD_ALTERA_SYSMGR=y
CONFIG_MFD_STMPE=y
CONFIG_REGULATOR=y
CONFIG_REGULATOR_FIXED_VOLTAGE=y
diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h
index 2de96a180166..31de4ab93005 100644
--- a/arch/arm/include/asm/kvm_mmu.h
+++ b/arch/arm/include/asm/kvm_mmu.h
@@ -381,6 +381,17 @@ static inline int kvm_read_guest_lock(struct kvm *kvm,
return ret;
}
+static inline int kvm_write_guest_lock(struct kvm *kvm, gpa_t gpa,
+ const void *data, unsigned long len)
+{
+ int srcu_idx = srcu_read_lock(&kvm->srcu);
+ int ret = kvm_write_guest(kvm, gpa, data, len);
+
+ srcu_read_unlock(&kvm->srcu, srcu_idx);
+
+ return ret;
+}
+
static inline void *kvm_get_hyp_vector(void)
{
switch(read_cpuid_part()) {
diff --git a/arch/arm/include/asm/stage2_pgtable.h b/arch/arm/include/asm/stage2_pgtable.h
index de2089501b8b..9e11dce55e06 100644
--- a/arch/arm/include/asm/stage2_pgtable.h
+++ b/arch/arm/include/asm/stage2_pgtable.h
@@ -75,6 +75,8 @@ static inline bool kvm_stage2_has_pud(struct kvm *kvm)
#define S2_PMD_MASK PMD_MASK
#define S2_PMD_SIZE PMD_SIZE
+#define S2_PUD_MASK PUD_MASK
+#define S2_PUD_SIZE PUD_SIZE
static inline bool kvm_stage2_has_pmd(struct kvm *kvm)
{
diff --git a/arch/arm/include/asm/syscall.h b/arch/arm/include/asm/syscall.h
index 06dea6bce293..080ce70cab12 100644
--- a/arch/arm/include/asm/syscall.h
+++ b/arch/arm/include/asm/syscall.h
@@ -55,53 +55,22 @@ static inline void syscall_set_return_value(struct task_struct *task,
static inline void syscall_get_arguments(struct task_struct *task,
struct pt_regs *regs,
- unsigned int i, unsigned int n,
unsigned long *args)
{
- if (n == 0)
- return;
-
- if (i + n > SYSCALL_MAX_ARGS) {
- unsigned long *args_bad = args + SYSCALL_MAX_ARGS - i;
- unsigned int n_bad = n + i - SYSCALL_MAX_ARGS;
- pr_warn("%s called with max args %d, handling only %d\n",
- __func__, i + n, SYSCALL_MAX_ARGS);
- memset(args_bad, 0, n_bad * sizeof(args[0]));
- n = SYSCALL_MAX_ARGS - i;
- }
-
- if (i == 0) {
- args[0] = regs->ARM_ORIG_r0;
- args++;
- i++;
- n--;
- }
-
- memcpy(args, &regs->ARM_r0 + i, n * sizeof(args[0]));
+ args[0] = regs->ARM_ORIG_r0;
+ args++;
+
+ memcpy(args, &regs->ARM_r0 + 1, 5 * sizeof(args[0]));
}
static inline void syscall_set_arguments(struct task_struct *task,
struct pt_regs *regs,
- unsigned int i, unsigned int n,
const unsigned long *args)
{
- if (n == 0)
- return;
-
- if (i + n > SYSCALL_MAX_ARGS) {
- pr_warn("%s called with max args %d, handling only %d\n",
- __func__, i + n, SYSCALL_MAX_ARGS);
- n = SYSCALL_MAX_ARGS - i;
- }
-
- if (i == 0) {
- regs->ARM_ORIG_r0 = args[0];
- args++;
- i++;
- n--;
- }
-
- memcpy(&regs->ARM_r0 + i, args, n * sizeof(args[0]));
+ regs->ARM_ORIG_r0 = args[0];
+ args++;
+
+ memcpy(&regs->ARM_r0 + 1, args, 5 * sizeof(args[0]));
}
static inline int syscall_get_arch(void)
diff --git a/arch/arm/include/uapi/asm/Kbuild b/arch/arm/include/uapi/asm/Kbuild
index 23b4464c0995..ce8573157774 100644
--- a/arch/arm/include/uapi/asm/Kbuild
+++ b/arch/arm/include/uapi/asm/Kbuild
@@ -3,3 +3,4 @@
generated-y += unistd-common.h
generated-y += unistd-oabi.h
generated-y += unistd-eabi.h
+generic-y += kvm_para.h
diff --git a/arch/arm/include/uapi/asm/kvm_para.h b/arch/arm/include/uapi/asm/kvm_para.h
deleted file mode 100644
index baacc4996d18..000000000000
--- a/arch/arm/include/uapi/asm/kvm_para.h
+++ /dev/null
@@ -1,2 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#include <asm-generic/kvm_para.h>
diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S
index c08d2d890f7b..b38bbd011b35 100644
--- a/arch/arm/kernel/head-nommu.S
+++ b/arch/arm/kernel/head-nommu.S
@@ -133,9 +133,9 @@ __secondary_data:
*/
.text
__after_proc_init:
-#ifdef CONFIG_ARM_MPU
M_CLASS(movw r12, #:lower16:BASEADDR_V7M_SCB)
M_CLASS(movt r12, #:upper16:BASEADDR_V7M_SCB)
+#ifdef CONFIG_ARM_MPU
M_CLASS(ldr r3, [r12, 0x50])
AR_CLASS(mrc p15, 0, r3, c0, c1, 4) @ Read ID_MMFR0
and r3, r3, #(MMFR0_PMSA) @ PMSA field
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 51e808adb00c..2a757dcaa1a5 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -591,13 +591,13 @@ static int __init at91_pm_backup_init(void)
np = of_find_compatible_node(NULL, NULL, "atmel,sama5d2-securam");
if (!np)
- goto securam_fail;
+ goto securam_fail_no_ref_dev;
pdev = of_find_device_by_node(np);
of_node_put(np);
if (!pdev) {
pr_warn("%s: failed to find securam device!\n", __func__);
- goto securam_fail;
+ goto securam_fail_no_ref_dev;
}
sram_pool = gen_pool_get(&pdev->dev, NULL);
@@ -620,6 +620,8 @@ static int __init at91_pm_backup_init(void)
return 0;
securam_fail:
+ put_device(&pdev->dev);
+securam_fail_no_ref_dev:
iounmap(pm_data.sfrbu);
pm_data.sfrbu = NULL;
return ret;
diff --git a/arch/arm/mach-cns3xxx/core.c b/arch/arm/mach-cns3xxx/core.c
index 7d5a44a06648..f676592d8402 100644
--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -90,7 +90,7 @@ void __init cns3xxx_map_io(void)
/* used by entry-macro.S */
void __init cns3xxx_init_irq(void)
{
- gic_init(0, 29, IOMEM(CNS3XXX_TC11MP_GIC_DIST_BASE_VIRT),
+ gic_init(IOMEM(CNS3XXX_TC11MP_GIC_DIST_BASE_VIRT),
IOMEM(CNS3XXX_TC11MP_GIC_CPU_BASE_VIRT));
}
diff --git a/arch/arm/mach-imx/cpuidle-imx6q.c b/arch/arm/mach-imx/cpuidle-imx6q.c
index bfeb25aaf9a2..326e870d7123 100644
--- a/arch/arm/mach-imx/cpuidle-imx6q.c
+++ b/arch/arm/mach-imx/cpuidle-imx6q.c
@@ -16,30 +16,23 @@
#include "cpuidle.h"
#include "hardware.h"
-static atomic_t master = ATOMIC_INIT(0);
-static DEFINE_SPINLOCK(master_lock);
+static int num_idle_cpus = 0;
+static DEFINE_SPINLOCK(cpuidle_lock);
static int imx6q_enter_wait(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
{
- if (atomic_inc_return(&master) == num_online_cpus()) {
- /*
- * With this lock, we prevent other cpu to exit and enter
- * this function again and become the master.
- */
- if (!spin_trylock(&master_lock))
- goto idle;
+ spin_lock(&cpuidle_lock);
+ if (++num_idle_cpus == num_online_cpus())
imx6_set_lpm(WAIT_UNCLOCKED);
- cpu_do_idle();
- imx6_set_lpm(WAIT_CLOCKED);
- spin_unlock(&master_lock);
- goto done;
- }
+ spin_unlock(&cpuidle_lock);
-idle:
cpu_do_idle();
-done:
- atomic_dec(&master);
+
+ spin_lock(&cpuidle_lock);
+ if (num_idle_cpus-- == num_online_cpus())
+ imx6_set_lpm(WAIT_CLOCKED);
+ spin_unlock(&cpuidle_lock);
return index;
}
diff --git a/arch/arm/mach-imx/mach-imx51.c b/arch/arm/mach-imx/mach-imx51.c
index c7169c2f94c4..08c7892866c2 100644
--- a/arch/arm/mach-imx/mach-imx51.c
+++ b/arch/arm/mach-imx/mach-imx51.c
@@ -59,6 +59,7 @@ static void __init imx51_m4if_setup(void)
return;
m4if_base = of_iomap(np, 0);
+ of_node_put(np);
if (!m4if_base) {
pr_err("Unable to map M4IF registers\n");
return;
diff --git a/arch/arm/mach-iop13xx/setup.c b/arch/arm/mach-iop13xx/setup.c
index 53c316f7301e..fe4932fda01d 100644
--- a/arch/arm/mach-iop13xx/setup.c
+++ b/arch/arm/mach-iop13xx/setup.c
@@ -300,7 +300,7 @@ static struct resource iop13xx_adma_2_resources[] = {
}
};
-static u64 iop13xx_adma_dmamask = DMA_BIT_MASK(64);
+static u64 iop13xx_adma_dmamask = DMA_BIT_MASK(32);
static struct iop_adma_platform_data iop13xx_adma_0_data = {
.hw_id = 0,
.pool_size = PAGE_SIZE,
@@ -324,7 +324,7 @@ static struct platform_device iop13xx_adma_0_channel = {
.resource = iop13xx_adma_0_resources,
.dev = {
.dma_mask = &iop13xx_adma_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(64),
+ .coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = (void *) &iop13xx_adma_0_data,
},
};
@@ -336,7 +336,7 @@ static struct platform_device iop13xx_adma_1_channel = {
.resource = iop13xx_adma_1_resources,
.dev = {
.dma_mask = &iop13xx_adma_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(64),
+ .coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = (void *) &iop13xx_adma_1_data,
},
};
@@ -348,7 +348,7 @@ static struct platform_device iop13xx_adma_2_channel = {
.resource = iop13xx_adma_2_resources,
.dev = {
.dma_mask = &iop13xx_adma_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(64),
+ .coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = (void *) &iop13xx_adma_2_data,
},
};
diff --git a/arch/arm/mach-iop13xx/tpmi.c b/arch/arm/mach-iop13xx/tpmi.c
index db511ec2b1df..116feb6b261e 100644
--- a/arch/arm/mach-iop13xx/tpmi.c
+++ b/arch/arm/mach-iop13xx/tpmi.c
@@ -152,7 +152,7 @@ static struct resource iop13xx_tpmi_3_resources[] = {
}
};
-u64 iop13xx_tpmi_mask = DMA_BIT_MASK(64);
+u64 iop13xx_tpmi_mask = DMA_BIT_MASK(32);
static struct platform_device iop13xx_tpmi_0_device = {
.name = "iop-tpmi",
.id = 0,
@@ -160,7 +160,7 @@ static struct platform_device iop13xx_tpmi_0_device = {
.resource = iop13xx_tpmi_0_resources,
.dev = {
.dma_mask = &iop13xx_tpmi_mask,
- .coherent_dma_mask = DMA_BIT_MASK(64),
+ .coherent_dma_mask = DMA_BIT_MASK(32),
},
};
@@ -171,7 +171,7 @@ static struct platform_device iop13xx_tpmi_1_device = {
.resource = iop13xx_tpmi_1_resources,
.dev = {
.dma_mask = &iop13xx_tpmi_mask,
- .coherent_dma_mask = DMA_BIT_MASK(64),
+ .coherent_dma_mask = DMA_BIT_MASK(32),
},
};
@@ -182,7 +182,7 @@ static struct platform_device iop13xx_tpmi_2_device = {
.resource = iop13xx_tpmi_2_resources,
.dev = {
.dma_mask = &iop13xx_tpmi_mask,
- .coherent_dma_mask = DMA_BIT_MASK(64),
+ .coherent_dma_mask = DMA_BIT_MASK(32),
},
};
@@ -193,7 +193,7 @@ static struct platform_device iop13xx_tpmi_3_device = {
.resource = iop13xx_tpmi_3_resources,
.dev = {
.dma_mask = &iop13xx_tpmi_mask,
- .coherent_dma_mask = DMA_BIT_MASK(64),
+ .coherent_dma_mask = DMA_BIT_MASK(32),
},
};
diff --git a/arch/arm/mach-milbeaut/platsmp.c b/arch/arm/mach-milbeaut/platsmp.c
index 591543c81399..3ea880f5fcb7 100644
--- a/arch/arm/mach-milbeaut/platsmp.c
+++ b/arch/arm/mach-milbeaut/platsmp.c
@@ -65,6 +65,7 @@ static void m10v_smp_init(unsigned int max_cpus)
writel(KERNEL_UNBOOT_FLAG, m10v_smp_base + cpu * 4);
}
+#ifdef CONFIG_HOTPLUG_CPU
static void m10v_cpu_die(unsigned int l_cpu)
{
gic_cpu_if_down(0);
@@ -83,12 +84,15 @@ static int m10v_cpu_kill(unsigned int l_cpu)
return 1;
}
+#endif
static struct smp_operations m10v_smp_ops __initdata = {
.smp_prepare_cpus = m10v_smp_init,
.smp_boot_secondary = m10v_boot_secondary,
+#ifdef CONFIG_HOTPLUG_CPU
.cpu_die = m10v_cpu_die,
.cpu_kill = m10v_cpu_kill,
+#endif
};
CPU_METHOD_OF_DECLARE(m10v_smp, "socionext,milbeaut-m10v-smp", &m10v_smp_ops);
diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c
index be30c3c061b4..1b15d593837e 100644
--- a/arch/arm/mach-omap1/board-ams-delta.c
+++ b/arch/arm/mach-omap1/board-ams-delta.c
@@ -182,6 +182,7 @@ static struct resource latch1_resources[] = {
static struct bgpio_pdata latch1_pdata = {
.label = LATCH1_LABEL,
+ .base = -1,
.ngpio = LATCH1_NGPIO,
};
@@ -219,6 +220,7 @@ static struct resource latch2_resources[] = {
static struct bgpio_pdata latch2_pdata = {
.label = LATCH2_LABEL,
+ .base = -1,
.ngpio = LATCH2_NGPIO,
};
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index 1444b4b4bd9f..439e143cad7b 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -250,8 +250,10 @@ static int __init omapdss_init_of(void)
if (!node)
return 0;
- if (!of_device_is_available(node))
+ if (!of_device_is_available(node)) {
+ of_node_put(node);
return 0;
+ }
pdev = of_find_device_by_node(node);
diff --git a/arch/arm/plat-iop/adma.c b/arch/arm/plat-iop/adma.c
index a4d1f8de3b5b..d9612221e484 100644
--- a/arch/arm/plat-iop/adma.c
+++ b/arch/arm/plat-iop/adma.c
@@ -143,7 +143,7 @@ struct platform_device iop3xx_dma_0_channel = {
.resource = iop3xx_dma_0_resources,
.dev = {
.dma_mask = &iop3xx_adma_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(64),
+ .coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = (void *) &iop3xx_dma_0_data,
},
};
@@ -155,7 +155,7 @@ struct platform_device iop3xx_dma_1_channel = {
.resource = iop3xx_dma_1_resources,
.dev = {
.dma_mask = &iop3xx_adma_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(64),
+ .coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = (void *) &iop3xx_dma_1_data,
},
};
@@ -167,7 +167,7 @@ struct platform_device iop3xx_aau_channel = {
.resource = iop3xx_aau_resources,
.dev = {
.dma_mask = &iop3xx_adma_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(64),
+ .coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = (void *) &iop3xx_aau_data,
},
};
diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c
index a6c81ce00f52..8647cb80a93b 100644
--- a/arch/arm/plat-orion/common.c
+++ b/arch/arm/plat-orion/common.c
@@ -622,7 +622,7 @@ static struct platform_device orion_xor0_shared = {
.resource = orion_xor0_shared_resources,
.dev = {
.dma_mask = &orion_xor_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(64),
+ .coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &orion_xor0_pdata,
},
};
@@ -683,7 +683,7 @@ static struct platform_device orion_xor1_shared = {
.resource = orion_xor1_shared_resources,
.dev = {
.dma_mask = &orion_xor_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(64),
+ .coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &orion_xor1_pdata,
},
};
diff --git a/arch/arm/tools/syscall.tbl b/arch/arm/tools/syscall.tbl
index 9016f4081bb9..0393917eaa57 100644
--- a/arch/arm/tools/syscall.tbl
+++ b/arch/arm/tools/syscall.tbl
@@ -437,3 +437,7 @@
421 common rt_sigtimedwait_time64 sys_rt_sigtimedwait
422 common futex_time64 sys_futex
423 common sched_rr_get_interval_time64 sys_sched_rr_get_interval
+424 common pidfd_send_signal sys_pidfd_send_signal
+425 common io_uring_setup sys_io_uring_setup
+426 common io_uring_enter sys_io_uring_enter
+427 common io_uring_register sys_io_uring_register