diff options
Diffstat (limited to 'arch')
102 files changed, 824 insertions, 632 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 1feb169..af2cc6e 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -286,9 +286,6 @@ config HAVE_PERF_USER_STACK_DUMP config HAVE_ARCH_JUMP_LABEL bool -config HAVE_ARCH_MUTEX_CPU_RELAX - bool - config HAVE_RCU_TABLE_FREE bool diff --git a/arch/arc/include/asm/spinlock.h b/arch/arc/include/asm/spinlock.h index f158197..b6a8c2d 100644 --- a/arch/arc/include/asm/spinlock.h +++ b/arch/arc/include/asm/spinlock.h @@ -45,7 +45,14 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock) static inline void arch_spin_unlock(arch_spinlock_t *lock) { - lock->slock = __ARCH_SPIN_LOCK_UNLOCKED__; + unsigned int tmp = __ARCH_SPIN_LOCK_UNLOCKED__; + + __asm__ __volatile__( + " ex %0, [%1] \n" + : "+r" (tmp) + : "r"(&(lock->slock)) + : "memory"); + smp_mb(); } diff --git a/arch/arc/include/asm/uaccess.h b/arch/arc/include/asm/uaccess.h index 3242082..30c9baf 100644 --- a/arch/arc/include/asm/uaccess.h +++ b/arch/arc/include/asm/uaccess.h @@ -43,7 +43,7 @@ * Because it essentially checks if buffer end is within limit and @len is * non-ngeative, which implies that buffer start will be within limit too. * - * The reason for rewriting being, for majorit yof cases, @len is generally + * The reason for rewriting being, for majority of cases, @len is generally * compile time constant, causing first sub-expression to be compile time * subsumed. * @@ -53,7 +53,7 @@ * */ #define __user_ok(addr, sz) (((sz) <= TASK_SIZE) && \ - (((addr)+(sz)) <= get_fs())) + ((addr) <= (get_fs() - (sz)))) #define __access_ok(addr, sz) (unlikely(__kernel_ok) || \ likely(__user_ok((addr), (sz)))) diff --git a/arch/arc/kernel/time.c b/arch/arc/kernel/time.c index 0e51e69..3fde7de 100644 --- a/arch/arc/kernel/time.c +++ b/arch/arc/kernel/time.c @@ -227,12 +227,9 @@ void __attribute__((weak)) arc_local_timer_setup(unsigned int cpu) { struct clock_event_device *clk = &per_cpu(arc_clockevent_device, cpu); - clockevents_calc_mult_shift(clk, arc_get_core_freq(), 5); - - clk->max_delta_ns = clockevent_delta2ns(ARC_TIMER_MAX, clk); clk->cpumask = cpumask_of(cpu); - - clockevents_register_device(clk); + clockevents_config_and_register(clk, arc_get_core_freq(), + 0, ARC_TIMER_MAX); /* * setup the per-cpu timer IRQ handler - for all cpus diff --git a/arch/arc/kernel/unaligned.c b/arch/arc/kernel/unaligned.c index 28d1700..7ff5b5c 100644 --- a/arch/arc/kernel/unaligned.c +++ b/arch/arc/kernel/unaligned.c @@ -245,6 +245,12 @@ int misaligned_fixup(unsigned long address, struct pt_regs *regs, regs->status32 &= ~STATUS_DE_MASK; } else { regs->ret += state.instr_len; + + /* handle zero-overhead-loop */ + if ((regs->ret == regs->lp_end) && (regs->lp_count)) { + regs->ret = regs->lp_start; + regs->lp_count--; + } } return 0; diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 3f7714d..1ad6fb6 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -2217,8 +2217,7 @@ config NEON config KERNEL_MODE_NEON bool "Support for NEON in kernel mode" - default n - depends on NEON + depends on NEON && AEABI help Say Y to include support for NEON in kernel mode. diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index cc0f1fb..e95af3f 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -183,6 +183,7 @@ dtb-$(CONFIG_ARCH_OMAP2PLUS) += omap2420-h4.dtb \ am335x-evm.dtb \ am335x-evmsk.dtb \ am335x-bone.dtb \ + am335x-boneblack.dtb \ am3517-evm.dtb \ am3517_mt_ventoux.dtb \ am43x-epos-evm.dtb diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi new file mode 100644 index 0000000..2f66ded --- /dev/null +++ b/arch/arm/boot/dts/am335x-bone-common.dtsi @@ -0,0 +1,262 @@ +/* + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +/ { + model = "TI AM335x BeagleBone"; + compatible = "ti,am335x-bone", "ti,am33xx"; + + cpus { + cpu@0 { + cpu0-supply = <&dcdc2_reg>; + }; + }; + + memory { + device_type = "memory"; + reg = <0x80000000 0x10000000>; /* 256 MB */ + }; + + am33xx_pinmux: pinmux@44e10800 { + pinctrl-names = "default"; + pinctrl-0 = <&clkout2_pin>; + + user_leds_s0: user_leds_s0 { + pinctrl-single,pins = < + 0x54 (PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* gpmc_a5.gpio1_21 */ + 0x58 (PIN_OUTPUT_PULLUP | MUX_MODE7) /* gpmc_a6.gpio1_22 */ + 0x5c (PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* gpmc_a7.gpio1_23 */ + 0x60 (PIN_OUTPUT_PULLUP | MUX_MODE7) /* gpmc_a8.gpio1_24 */ + >; + }; + + i2c0_pins: pinmux_i2c0_pins { + pinctrl-single,pins = < + 0x188 (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_sda.i2c0_sda */ + 0x18c (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_scl.i2c0_scl */ + >; + }; + + uart0_pins: pinmux_uart0_pins { + pinctrl-single,pins = < + 0x170 (PIN_INPUT_PULLUP | MUX_MODE0) /* uart0_rxd.uart0_rxd */ + 0x174 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */ + >; + }; + + clkout2_pin: pinmux_clkout2_pin { + pinctrl-single,pins = < + 0x1b4 (PIN_OUTPUT_PULLDOWN | MUX_MODE3) /* xdma_event_intr1.clkout2 */ + >; + }; + + cpsw_default: cpsw_default { + pinctrl-single,pins = < + /* Slave 1 */ + 0x110 (PIN_INPUT_PULLUP | MUX_MODE0) /* mii1_rxerr.mii1_rxerr */ + 0x114 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mii1_txen.mii1_txen */ + 0x118 (PIN_INPUT_PULLUP | MUX_MODE0) /* mii1_rxdv.mii1_rxdv */ + 0x11c (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mii1_txd3.mii1_txd3 */ + 0x120 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mii1_txd2.mii1_txd2 */ + 0x124 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mii1_txd1.mii1_txd1 */ + 0x128 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mii1_txd0.mii1_txd0 */ + 0x12c (PIN_INPUT_PULLUP | MUX_MODE0) /* mii1_txclk.mii1_txclk */ + 0x130 (PIN_INPUT_PULLUP | MUX_MODE0) /* mii1_rxclk.mii1_rxclk */ + 0x134 (PIN_INPUT_PULLUP | MUX_MODE0) /* mii1_rxd3.mii1_rxd3 */ + 0x138 (PIN_INPUT_PULLUP | MUX_MODE0) /* mii1_rxd2.mii1_rxd2 */ + 0x13c (PIN_INPUT_PULLUP | MUX_MODE0) /* mii1_rxd1.mii1_rxd1 */ + 0x140 (PIN_INPUT_PULLUP | MUX_MODE0) /* mii1_rxd0.mii1_rxd0 */ + >; + }; + + cpsw_sleep: cpsw_sleep { + pinctrl-single,pins = < + /* Slave 1 reset value */ + 0x110 (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x114 (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x118 (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x11c (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x120 (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x124 (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x128 (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x12c (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x130 (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x134 (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x138 (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x13c (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x140 (PIN_INPUT_PULLDOWN | MUX_MODE7) + >; + }; + + davinci_mdio_default: davinci_mdio_default { + pinctrl-single,pins = < + /* MDIO */ + 0x148 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* mdio_data.mdio_data */ + 0x14c (PIN_OUTPUT_PULLUP | MUX_MODE0) /* mdio_clk.mdio_clk */ + >; + }; + + davinci_mdio_sleep: davinci_mdio_sleep { + pinctrl-single,pins = < + /* MDIO reset value */ + 0x148 (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x14c (PIN_INPUT_PULLDOWN | MUX_MODE7) + >; + }; + }; + + ocp { + uart0: serial@44e09000 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pins>; + + status = "okay"; + }; + + musb: usb@47400000 { + status = "okay"; + + control@44e10000 { + status = "okay"; + }; + + usb-phy@47401300 { + status = "okay"; + }; + + usb-phy@47401b00 { + status = "okay"; + }; + + usb@47401000 { + status = "okay"; + }; + + usb@47401800 { + status = "okay"; + dr_mode = "host"; + }; + + dma-controller@07402000 { + status = "okay"; + }; + }; + + i2c0: i2c@44e0b000 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_pins>; + + status = "okay"; + clock-frequency = <400000>; + + tps: tps@24 { + reg = <0x24>; + }; + + }; + }; + + leds { + pinctrl-names = "default"; + pinctrl-0 = <&user_leds_s0>; + + compatible = "gpio-leds"; + + led@2 { + label = "beaglebone:green:heartbeat"; + gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>; + linux,default-trigger = "heartbeat"; + default-state = "off"; + }; + + led@3 { + label = "beaglebone:green:mmc0"; + gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>; + linux,default-trigger = "mmc0"; + default-state = "off"; + }; + + led@4 { + label = "beaglebone:green:usr2"; + gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>; + default-state = "off"; + }; + + led@5 { + label = "beaglebone:green:usr3"; + gpios = <&gpio1 24 GPIO_ACTIVE_HIGH>; + default-state = "off"; + }; + }; +}; + +/include/ "tps65217.dtsi" + +&tps { + regulators { + dcdc1_reg: regulator@0 { + regulator-always-on; + }; + + dcdc2_reg: regulator@1 { + /* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */ + regulator-name = "vdd_mpu"; + regulator-min-microvolt = <925000>; + regulator-max-microvolt = <1325000>; + regulator-boot-on; + regulator-always-on; + }; + + dcdc3_reg: regulator@2 { + /* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */ + regulator-name = "vdd_core"; + regulator-min-microvolt = <925000>; + regulator-max-microvolt = <1150000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo1_reg: regulator@3 { + regulator-always-on; + }; + + ldo2_reg: regulator@4 { + regulator-always-on; + }; + + ldo3_reg: regulator@5 { + regulator-always-on; + }; + + ldo4_reg: regulator@6 { + regulator-always-on; + }; + }; +}; + +&cpsw_emac0 { + phy_id = <&davinci_mdio>, <0>; + phy-mode = "mii"; +}; + +&cpsw_emac1 { + phy_id = <&davinci_mdio>, <1>; + phy-mode = "mii"; +}; + +&mac { + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&cpsw_default>; + pinctrl-1 = <&cpsw_sleep>; + +}; + +&davinci_mdio { + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&davinci_mdio_default>; + pinctrl-1 = <&davinci_mdio_sleep>; +}; diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts index d318987d..7993c48 100644 --- a/arch/arm/boot/dts/am335x-bone.dts +++ b/arch/arm/boot/dts/am335x-bone.dts @@ -8,258 +8,4 @@ /dts-v1/; #include "am33xx.dtsi" - -/ { - model = "TI AM335x BeagleBone"; - compatible = "ti,am335x-bone", "ti,am33xx"; - - cpus { - cpu@0 { - cpu0-supply = <&dcdc2_reg>; - }; - }; - - memory { - device_type = "memory"; - reg = <0x80000000 0x10000000>; /* 256 MB */ - }; - - am33xx_pinmux: pinmux@44e10800 { - pinctrl-names = "default"; - pinctrl-0 = <&clkout2_pin>; - - user_leds_s0: user_leds_s0 { - pinctrl-single,pins = < - 0x54 (PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* gpmc_a5.gpio1_21 */ - 0x58 (PIN_OUTPUT_PULLUP | MUX_MODE7) /* gpmc_a6.gpio1_22 */ - 0x5c (PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* gpmc_a7.gpio1_23 */ - 0x60 (PIN_OUTPUT_PULLUP | MUX_MODE7) /* gpmc_a8.gpio1_24 */ - >; - }; - - i2c0_pins: pinmux_i2c0_pins { - pinctrl-single,pins = < - 0x188 (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_sda.i2c0_sda */ - 0x18c (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_scl.i2c0_scl */ - >; - }; - - uart0_pins: pinmux_uart0_pins { - pinctrl-single,pins = < - 0x170 (PIN_INPUT_PULLUP | MUX_MODE0) /* uart0_rxd.uart0_rxd */ - 0x174 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */ - >; - }; - - clkout2_pin: pinmux_clkout2_pin { - pinctrl-single,pins = < - 0x1b4 (PIN_OUTPUT_PULLDOWN | MUX_MODE3) /* xdma_event_intr1.clkout2 */ - >; - }; - - cpsw_default: cpsw_default { - pinctrl-single,pins = < - /* Slave 1 */ - 0x110 (PIN_INPUT_PULLUP | MUX_MODE0) /* mii1_rxerr.mii1_rxerr */ - 0x114 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mii1_txen.mii1_txen */ - 0x118 (PIN_INPUT_PULLUP | MUX_MODE0) /* mii1_rxdv.mii1_rxdv */ - 0x11c (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mii1_txd3.mii1_txd3 */ - 0x120 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mii1_txd2.mii1_txd2 */ - 0x124 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mii1_txd1.mii1_txd1 */ - 0x128 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mii1_txd0.mii1_txd0 */ - 0x12c (PIN_INPUT_PULLUP | MUX_MODE0) /* mii1_txclk.mii1_txclk */ - 0x130 (PIN_INPUT_PULLUP | MUX_MODE0) /* mii1_rxclk.mii1_rxclk */ - 0x134 (PIN_INPUT_PULLUP | MUX_MODE0) /* mii1_rxd3.mii1_rxd3 */ - 0x138 (PIN_INPUT_PULLUP | MUX_MODE0) /* mii1_rxd2.mii1_rxd2 */ - 0x13c (PIN_INPUT_PULLUP | MUX_MODE0) /* mii1_rxd1.mii1_rxd1 */ - 0x140 (PIN_INPUT_PULLUP | MUX_MODE0) /* mii1_rxd0.mii1_rxd0 */ - >; - }; - - cpsw_sleep: cpsw_sleep { - pinctrl-single,pins = < - /* Slave 1 reset value */ - 0x110 (PIN_INPUT_PULLDOWN | MUX_MODE7) - 0x114 (PIN_INPUT_PULLDOWN | MUX_MODE7) - 0x118 (PIN_INPUT_PULLDOWN | MUX_MODE7) - 0x11c (PIN_INPUT_PULLDOWN | MUX_MODE7) - 0x120 (PIN_INPUT_PULLDOWN | MUX_MODE7) - 0x124 (PIN_INPUT_PULLDOWN | MUX_MODE7) - 0x128 (PIN_INPUT_PULLDOWN | MUX_MODE7) - 0x12c (PIN_INPUT_PULLDOWN | MUX_MODE7) - 0x130 (PIN_INPUT_PULLDOWN | MUX_MODE7) - 0x134 (PIN_INPUT_PULLDOWN | MUX_MODE7) - 0x138 (PIN_INPUT_PULLDOWN | MUX_MODE7) - 0x13c (PIN_INPUT_PULLDOWN | MUX_MODE7) - 0x140 (PIN_INPUT_PULLDOWN | MUX_MODE7) - >; - }; - - davinci_mdio_default: davinci_mdio_default { - pinctrl-single,pins = < - /* MDIO */ - 0x148 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* mdio_data.mdio_data */ - 0x14c (PIN_OUTPUT_PULLUP | MUX_MODE0) /* mdio_clk.mdio_clk */ - >; - }; - - davinci_mdio_sleep: davinci_mdio_sleep { - pinctrl-single,pins = < - /* MDIO reset value */ - 0x148 (PIN_INPUT_PULLDOWN | MUX_MODE7) - 0x14c (PIN_INPUT_PULLDOWN | MUX_MODE7) - >; - }; - }; - - ocp { - uart0: serial@44e09000 { - pinctrl-names = "default"; - pinctrl-0 = <&uart0_pins>; - - status = "okay"; - }; - - musb: usb@47400000 { - status = "okay"; - - control@44e10000 { - status = "okay"; - }; - - usb-phy@47401300 { - status = "okay"; - }; - - usb-phy@47401b00 { - status = "okay"; - }; - - usb@47401000 { - status = "okay"; - }; - - usb@47401800 { - status = "okay"; - dr_mode = "host"; - }; - - dma-controller@07402000 { - status = "okay"; - }; - }; - - i2c0: i2c@44e0b000 { - pinctrl-names = "default"; - pinctrl-0 = <&i2c0_pins>; - - status = "okay"; - clock-frequency = <400000>; - - tps: tps@24 { - reg = <0x24>; - }; - - }; - }; - - leds { - pinctrl-names = "default"; - pinctrl-0 = <&user_leds_s0>; - - compatible = "gpio-leds"; - - led@2 { - label = "beaglebone:green:heartbeat"; - gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>; - linux,default-trigger = "heartbeat"; - default-state = "off"; - }; - - led@3 { - label = "beaglebone:green:mmc0"; - gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>; - linux,default-trigger = "mmc0"; - default-state = "off"; - }; - - led@4 { - label = "beaglebone:green:usr2"; - gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>; - default-state = "off"; - }; - - led@5 { - label = "beaglebone:green:usr3"; - gpios = <&gpio1 24 GPIO_ACTIVE_HIGH>; - default-state = "off"; - }; - }; -}; - -/include/ "tps65217.dtsi" - -&tps { - regulators { - dcdc1_reg: regulator@0 { - regulator-always-on; - }; - - dcdc2_reg: regulator@1 { - /* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */ - regulator-name = "vdd_mpu"; - regulator-min-microvolt = <925000>; - regulator-max-microvolt = <1325000>; - regulator-boot-on; - regulator-always-on; - }; - - dcdc3_reg: regulator@2 { - /* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */ - regulator-name = "vdd_core"; - regulator-min-microvolt = <925000>; - regulator-max-microvolt = <1150000>; - regulator-boot-on; - regulator-always-on; - }; - - ldo1_reg: regulator@3 { - regulator-always-on; - }; - - ldo2_reg: regulator@4 { - regulator-always-on; - }; - - ldo3_reg: regulator@5 { - regulator-always-on; - }; - - ldo4_reg: regulator@6 { - regulator-always-on; - }; - }; -}; - -&cpsw_emac0 { - phy_id = <&davinci_mdio>, <0>; - phy-mode = "mii"; -}; - -&cpsw_emac1 { - phy_id = <&davinci_mdio>, <1>; - phy-mode = "mii"; -}; - -&mac { - pinctrl-names = "default", "sleep"; - pinctrl-0 = <&cpsw_default>; - pinctrl-1 = <&cpsw_sleep>; - -}; - -&davinci_mdio { - pinctrl-names = "default", "sleep"; - pinctrl-0 = <&davinci_mdio_default>; - pinctrl-1 = <&davinci_mdio_sleep>; -}; +#include "am335x-bone-common.dtsi" diff --git a/arch/arm/boot/dts/am335x-boneblack.dts b/arch/arm/boot/dts/am335x-boneblack.dts new file mode 100644 index 0000000..197cadf --- /dev/null +++ b/arch/arm/boot/dts/am335x-boneblack.dts @@ -0,0 +1,17 @@ +/* + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +/dts-v1/; + +#include "am33xx.dtsi" +#include "am335x-bone-common.dtsi" + +&ldo3_reg { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; +}; diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi index c037c22..b7a1c6d 100644 --- a/arch/arm/boot/dts/imx27.dtsi +++ b/arch/arm/boot/dts/imx27.dtsi @@ -187,7 +187,7 @@ compatible = "fsl,imx27-cspi"; reg = <0x1000e000 0x1000>; interrupts = <16>; - clocks = <&clks 53>, <&clks 53>; + clocks = <&clks 53>, <&clks 60>; clock-names = "ipg", "per"; status = "disabled"; }; @@ -198,7 +198,7 @@ compatible = "fsl,imx27-cspi"; reg = <0x1000f000 0x1000>; interrupts = <15>; - clocks = <&clks 52>, <&clks 52>; + clocks = <&clks 52>, <&clks 60>; clock-names = "ipg", "per"; status = "disabled"; }; @@ -309,7 +309,7 @@ compatible = "fsl,imx27-cspi"; reg = <0x10017000 0x1000>; interrupts = <6>; - clocks = <&clks 51>, <&clks 51>; + clocks = <&clks 51>, <&clks 60>; clock-names = "ipg", "per"; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx51.dtsi b/arch/arm/boot/dts/imx51.dtsi index a85abb4..54cee65 100644 --- a/arch/arm/boot/dts/imx51.dtsi +++ b/arch/arm/boot/dts/imx51.dtsi @@ -474,7 +474,7 @@ compatible = "fsl,imx51-pata", "fsl,imx27-pata"; reg = <0x83fe0000 0x4000>; interrupts = <70>; - clocks = <&clks 161>; + clocks = <&clks 172>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx6q-pinfunc.h b/arch/arm/boot/dts/imx6q-pinfunc.h index c0e38a4..9bbe82b 100644 --- a/arch/arm/boot/dts/imx6q-pinfunc.h +++ b/arch/arm/boot/dts/imx6q-pinfunc.h @@ -207,8 +207,8 @@ #define MX6QDL_PAD_EIM_D29__ECSPI4_SS0 0x0c8 0x3dc 0x824 0x2 0x1 #define MX6QDL_PAD_EIM_D29__UART2_RTS_B 0x0c8 0x3dc 0x924 0x4 0x1 #define MX6QDL_PAD_EIM_D29__UART2_CTS_B 0x0c8 0x3dc 0x000 0x4 0x0 -#define MX6QDL_PAD_EIM_D29__UART2_DTE_RTS_B 0x0c4 0x3dc 0x000 0x4 0x0 -#define MX6QDL_PAD_EIM_D29__UART2_DTE_CTS_B 0x0c4 0x3dc 0x924 0x4 0x1 +#define MX6QDL_PAD_EIM_D29__UART2_DTE_RTS_B 0x0c8 0x3dc 0x000 0x4 0x0 +#define MX6QDL_PAD_EIM_D29__UART2_DTE_CTS_B 0x0c8 0x3dc 0x924 0x4 0x1 #define MX6QDL_PAD_EIM_D29__GPIO3_IO29 0x0c8 0x3dc 0x000 0x5 0x0 #define MX6QDL_PAD_EIM_D29__IPU2_CSI1_VSYNC 0x0c8 0x3dc 0x8e4 0x6 0x0 #define MX6QDL_PAD_EIM_D29__IPU1_DI0_PIN14 0x0c8 0x3dc 0x000 0x7 0x0 diff --git a/arch/arm/boot/dts/omap3-beagle-xm.dts b/arch/arm/boot/dts/omap3-beagle-xm.dts index afdb164..0c514dc 100644 --- a/arch/arm/boot/dts/omap3-beagle-xm.dts +++ b/arch/arm/boot/dts/omap3-beagle-xm.dts @@ -11,7 +11,7 @@ / { model = "TI OMAP3 BeagleBoard xM"; - compatible = "ti,omap3-beagle-xm, ti,omap3-beagle", "ti,omap3"; + compatible = "ti,omap3-beagle-xm", "ti,omap3-beagle", "ti,omap3"; cpus { cpu@0 { diff --git a/arch/arm/boot/dts/omap3-igep.dtsi b/arch/arm/boot/dts/omap3-igep.dtsi index bc48b11..2326d11 100644 --- a/arch/arm/boot/dts/omap3-igep.dtsi +++ b/arch/arm/boot/dts/omap3-igep.dtsi @@ -48,6 +48,15 @@ >; }; + mcbsp2_pins: pinmux_mcbsp2_pins { + pinctrl-single,pins = < + 0x10c (PIN_INPUT | MUX_MODE0) /* mcbsp2_fsx.mcbsp2_fsx */ + 0x10e (PIN_INPUT | MUX_MODE0) /* mcbsp2_clkx.mcbsp2_clkx */ + 0x110 (PIN_INPUT | MUX_MODE0) /* mcbsp2_dr.mcbsp2.dr */ + 0x112 (PIN_OUTPUT | MUX_MODE0) /* mcbsp2_dx.mcbsp2_dx */ + >; + }; + mmc1_pins: pinmux_mmc1_pins { pinctrl-single,pins = < 0x114 (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_clk.sdmmc1_clk */ @@ -93,6 +102,11 @@ clock-frequency = <400000>; }; +&mcbsp2 { + pinctrl-names = "default"; + pinctrl-0 = <&mcbsp2_pins>; +}; + &mmc1 { pinctrl-names = "default"; pinctrl-0 = <&mmc1_pins>; diff --git a/arch/arm/boot/dts/omap4-panda-common.dtsi b/arch/arm/boot/dts/omap4-panda-common.dtsi index faa95b5..814ab67 100644 --- a/arch/arm/boot/dts/omap4-panda-common.dtsi +++ b/arch/arm/boot/dts/omap4-panda-common.dtsi @@ -107,6 +107,19 @@ */ clock-frequency = <19200000>; }; + + /* regulator for wl12xx on sdio5 */ + wl12xx_vmmc: wl12xx_vmmc { + pinctrl-names = "default"; + pinctrl-0 = <&wl12xx_gpio>; + compatible = "regulator-fixed"; + regulator-name = "vwl1271"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + gpio = <&gpio2 11 0>; + startup-delay-us = <70000>; + enable-active-high; + }; }; &omap4_pmx_wkup { @@ -235,6 +248,33 @@ 0x1c (PIN_OUTPUT | MUX_MODE3) /* gpio_wk8 */ >; }; + + /* + * wl12xx GPIO outputs for WLAN_EN, BT_EN, FM_EN, BT_WAKEUP + * REVISIT: Are the pull-ups needed for GPIO 48 and 49? + */ + wl12xx_gpio: pinmux_wl12xx_gpio { + pinctrl-single,pins = < + 0x26 (PIN_OUTPUT | MUX_MODE3) /* gpmc_a19.gpio_43 */ + 0x2c (PIN_OUTPUT | MUX_MODE3) /* gpmc_a22.gpio_46 */ + 0x30 (PIN_OUTPUT_PULLUP | MUX_MODE3) /* gpmc_a24.gpio_48 */ + 0x32 (PIN_OUTPUT_PULLUP | MUX_MODE3) /* gpmc_a25.gpio_49 */ + >; + }; + + /* wl12xx GPIO inputs and SDIO pins */ + wl12xx_pins: pinmux_wl12xx_pins { + pinctrl-single,pins = < + 0x38 (PIN_INPUT | MUX_MODE3) /* gpmc_ncs2.gpio_52 */ + 0x3a (PIN_INPUT | MUX_MODE3) /* gpmc_ncs3.gpio_53 */ + 0x108 (PIN_OUTPUT | MUX_MODE0) /* sdmmc5_clk.sdmmc5_clk */ + 0x10a (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc5_cmd.sdmmc5_cmd */ + 0x10c (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc5_dat0.sdmmc5_dat0 */ + 0x10e (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc5_dat1.sdmmc5_dat1 */ + 0x110 (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc5_dat2.sdmmc5_dat2 */ + 0x112 (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc5_dat3.sdmmc5_dat3 */ + >; + }; }; &i2c1 { @@ -314,8 +354,12 @@ }; &mmc5 { - ti,non-removable; + pinctrl-names = "default"; + pinctrl-0 = <&wl12xx_pins>; + vmmc-supply = <&wl12xx_vmmc>; + non-removable; bus-width = <4>; + cap-power-off-card; }; &emif1 { diff --git a/arch/arm/boot/dts/omap4-sdp.dts b/arch/arm/boot/dts/omap4-sdp.dts index 7951b4e..4f78380 100644 --- a/arch/arm/boot/dts/omap4-sdp.dts +++ b/arch/arm/boot/dts/omap4-sdp.dts @@ -140,6 +140,19 @@ "DMic", "Digital Mic", "Digital Mic", "Digital Mic1 Bias"; }; + + /* regulator for wl12xx on sdio5 */ + wl12xx_vmmc: wl12xx_vmmc { + pinctrl-names = "default"; + pinctrl-0 = <&wl12xx_gpio>; + compatible = "regulator-fixed"; + regulator-name = "vwl1271"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + gpio = <&gpio2 22 0>; + startup-delay-us = <70000>; + enable-active-high; + }; }; &omap4_pmx_wkup { @@ -295,6 +308,26 @@ 0xf0 (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c4_sda */ >; }; + + /* wl12xx GPIO output for WLAN_EN */ + wl12xx_gpio: pinmux_wl12xx_gpio { + pinctrl-single,pins = < + 0x3c (PIN_OUTPUT | MUX_MODE3) /* gpmc_nwp.gpio_54 */ + >; + }; + + /* wl12xx GPIO inputs and SDIO pins */ + wl12xx_pins: pinmux_wl12xx_pins { + pinctrl-single,pins = < + 0x3a (PIN_INPUT | MUX_MODE3) /* gpmc_ncs3.gpio_53 */ + 0x108 (PIN_OUTPUT | MUX_MODE3) /* sdmmc5_clk.sdmmc5_clk */ + 0x10a (PIN_INPUT_PULLUP | MUX_MODE3) /* sdmmc5_cmd.sdmmc5_cmd */ + 0x10c (PIN_INPUT_PULLUP | MUX_MODE3) /* sdmmc5_dat0.sdmmc5_dat0 */ + 0x10e (PIN_INPUT_PULLUP | MUX_MODE3) /* sdmmc5_dat1.sdmmc5_dat1 */ + 0x110 (PIN_INPUT_PULLUP | MUX_MODE3) /* sdmmc5_dat2.sdmmc5_dat2 */ + 0x112 (PIN_INPUT_PULLUP | MUX_MODE3) /* sdmmc5_dat3.sdmmc5_dat3 */ + >; + }; }; &i2c1 { @@ -420,8 +453,12 @@ }; &mmc5 { + pinctrl-names = "default"; + pinctrl-0 = <&wl12xx_pins>; + vmmc-supply = <&wl12xx_vmmc>; + non-removable; bus-width = <4>; - ti,non-removable; + cap-power-off-card; }; &emif1 { diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi index 07be2cd..7cdea1b 100644 --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -637,7 +637,7 @@ omap_dwc3@4a020000 { compatible = "ti,dwc3"; ti,hwmods = "usb_otg_ss"; - reg = <0x4a020000 0x1000>; + reg = <0x4a020000 0x10000>; interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>; #address-cells = <1>; #size-cells = <1>; @@ -645,17 +645,18 @@ ranges; dwc3@4a030000 { compatible = "snps,dwc3"; - reg = <0x4a030000 0x1000>; + reg = <0x4a030000 0x10000>; interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>; usb-phy = <&usb2_phy>, <&usb3_phy>; tx-fifo-resize; }; }; - ocp2scp { + ocp2scp@4a080000 { compatible = "ti,omap-ocp2scp"; #address-cells = <1>; #size-cells = <1>; + reg = <0x4a080000 0x20>; ranges; ti,hwmods = "ocp2scp1"; usb2_phy: usb2phy@4a084000 { diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig index 6e572c6..f3935b4 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -36,6 +36,7 @@ CONFIG_ARCH_TEGRA_114_SOC=y CONFIG_TEGRA_PCI=y CONFIG_TEGRA_EMC_SCALING_ENABLE=y CONFIG_ARCH_U8500=y +CONFIG_MACH_HREFV60=y CONFIG_MACH_SNOWBALL=y CONFIG_MACH_UX500_DT=y CONFIG_ARCH_VEXPRESS=y @@ -46,6 +47,7 @@ CONFIG_ARCH_ZYNQ=y CONFIG_SMP=y CONFIG_HIGHPTE=y CONFIG_ARM_APPENDED_DTB=y +CONFIG_ARM_ATAG_DTB_COMPAT=y CONFIG_NET=y CONFIG_UNIX=y CONFIG_INET=y diff --git a/arch/arm/crypto/aes-armv4.S b/arch/arm/crypto/aes-armv4.S index 19d6cd6..3a14ea8 100644 --- a/arch/arm/crypto/aes-armv4.S +++ b/arch/arm/crypto/aes-armv4.S @@ -148,7 +148,7 @@ AES_Te: @ const AES_KEY *key) { .align 5 ENTRY(AES_encrypt) - sub r3,pc,#8 @ AES_encrypt + adr r3,AES_encrypt stmdb sp!,{r1,r4-r12,lr} mov r12,r0 @ inp mov r11,r2 @@ -381,7 +381,7 @@ _armv4_AES_encrypt: .align 5 ENTRY(private_AES_set_encrypt_key) _armv4_AES_set_encrypt_key: - sub r3,pc,#8 @ AES_set_encrypt_key + adr r3,_armv4_AES_set_encrypt_key teq r0,#0 moveq r0,#-1 beq .Labrt @@ -843,7 +843,7 @@ AES_Td: @ const AES_KEY *key) { .align 5 ENTRY(AES_decrypt) - sub r3,pc,#8 @ AES_decrypt + adr r3,AES_decrypt stmdb sp!,{r1,r4-r12,lr} mov r12,r0 @ inp mov r11,r2 diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h index 7e1f760..72abdc5 100644 --- a/arch/arm/include/asm/uaccess.h +++ b/arch/arm/include/asm/uaccess.h @@ -19,6 +19,13 @@ #include <asm/unified.h> #include <asm/compiler.h> +#if __LINUX_ARM_ARCH__ < 6 +#include <asm-generic/uaccess-unaligned.h> +#else +#define __get_user_unaligned __get_user +#define __put_user_unaligned __put_user +#endif + #define VERIFY_READ 0 #define VERIFY_WRITE 1 diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 74ad15d1..bc6bd96 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -442,10 +442,10 @@ local_restart: ldrcc pc, [tbl, scno, lsl #2] @ call sys_* routine add r1, sp, #S_OFF - cmp scno, #(__ARM_NR_BASE - __NR_SYSCALL_BASE) +2: cmp scno, #(__ARM_NR_BASE - __NR_SYSCALL_BASE) eor r0, scno, #__NR_SYSCALL_BASE @ put OS number back bcs arm_syscall -2: mov why, #0 @ no longer a real syscall + mov why, #0 @ no longer a real syscall b sys_ni_syscall @ not private func #if defined(CONFIG_OABI_COMPAT) || !defined(CONFIG_AEABI) diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S index de23a9b..39f89fb 100644 --- a/arch/arm/kernel/entry-header.S +++ b/arch/arm/kernel/entry-header.S @@ -329,10 +329,10 @@ #ifdef CONFIG_CONTEXT_TRACKING .if \save stmdb sp!, {r0-r3, ip, lr} - bl user_exit + bl context_tracking_user_exit ldmia sp!, {r0-r3, ip, lr} .else - bl user_exit + bl context_tracking_user_exit .endif #endif .endm @@ -341,10 +341,10 @@ #ifdef CONFIG_CONTEXT_TRACKING .if \save stmdb sp!, {r0-r3, ip, lr} - bl user_enter + bl context_tracking_user_enter ldmia sp!, {r0-r3, ip, lr} .else - bl user_enter + bl context_tracking_user_enter .endif #endif .endm diff --git a/arch/arm/kvm/reset.c b/arch/arm/kvm/reset.c index 71e08ba..c02ba4a 100644 --- a/arch/arm/kvm/reset.c +++ b/arch/arm/kvm/reset.c @@ -58,14 +58,14 @@ static const struct kvm_irq_level a15_vtimer_irq = { */ int kvm_reset_vcpu(struct kvm_vcpu *vcpu) { - struct kvm_regs *cpu_reset; + struct kvm_regs *reset_regs; const struct kvm_irq_level *cpu_vtimer_irq; switch (vcpu->arch.target) { case KVM_ARM_TARGET_CORTEX_A15: if (vcpu->vcpu_id > a15_max_cpu_idx) return -EINVAL; - cpu_reset = &a15_regs_reset; + reset_regs = &a15_regs_reset; vcpu->arch.midr = read_cpuid_id(); cpu_vtimer_irq = &a15_vtimer_irq; break; @@ -74,7 +74,7 @@ int kvm_reset_vcpu(struct kvm_vcpu *vcpu) } /* Reset core registers */ - memcpy(&vcpu->arch.regs, cpu_reset, sizeof(vcpu->arch.regs)); + memcpy(&vcpu->arch.regs, reset_regs, sizeof(vcpu->arch.regs)); /* Reset CP15 registers */ kvm_reset_coprocs(vcpu); diff --git a/arch/arm/mach-imx/clk-fixup-mux.c b/arch/arm/mach-imx/clk-fixup-mux.c index deb4b80..0d40b35 100644 --- a/arch/arm/mach-imx/clk-fixup-mux.c +++ b/arch/arm/mach-imx/clk-fixup-mux.c @@ -90,6 +90,7 @@ struct clk *imx_clk_fixup_mux(const char *name, void __iomem *reg, init.ops = &clk_fixup_mux_ops; init.parent_names = parents; init.num_parents = num_parents; + init.flags = 0; fixup_mux->mux.reg = reg; fixup_mux->mux.shift = shift; diff --git a/arch/arm/mach-imx/clk-imx27.c b/arch/arm/mach-imx/clk-imx27.c index c3cfa41..c6b40f3 100644 --- a/arch/arm/mach-imx/clk-imx27.c +++ b/arch/arm/mach-imx/clk-imx27.c @@ -285,7 +285,7 @@ int __init mx27_clocks_init(unsigned long fref) clk_register_clkdev(clk[ata_ahb_gate], "ata", NULL); clk_register_clkdev(clk[rtc_ipg_gate], NULL, "imx21-rtc"); clk_register_clkdev(clk[scc_ipg_gate], "scc", NULL); - clk_register_clkdev(clk[cpu_div], NULL, "cpufreq-cpu0.0"); + clk_register_clkdev(clk[cpu_div], NULL, "cpu0"); clk_register_clkdev(clk[emi_ahb_gate], "emi_ahb" , NULL); mxc_timer_init(MX27_IO_ADDRESS(MX27_GPT1_BASE_ADDR), MX27_INT_GPT1); diff --git a/arch/arm/mach-imx/clk-imx51-imx53.c b/arch/arm/mach-imx/clk-imx51-imx53.c index 1a56a33..7c0dc45 100644 --- a/arch/arm/mach-imx/clk-imx51-imx53.c +++ b/arch/arm/mach-imx/clk-imx51-imx53.c @@ -328,7 +328,7 @@ static void __init mx5_clocks_common_init(unsigned long rate_ckil, clk_register_clkdev(clk[ssi2_ipg_gate], NULL, "imx-ssi.1"); clk_register_clkdev(clk[ssi3_ipg_gate], NULL, "imx-ssi.2"); clk_register_clkdev(clk[sdma_gate], NULL, "imx35-sdma"); - clk_register_clkdev(clk[cpu_podf], NULL, "cpufreq-cpu0.0"); + clk_register_clkdev(clk[cpu_podf], NULL, "cpu0"); clk_register_clkdev(clk[iim_gate], "iim", NULL); clk_register_clkdev(clk[dummy], NULL, "imx2-wdt.0"); clk_register_clkdev(clk[dummy], NULL, "imx2-wdt.1"); @@ -397,7 +397,7 @@ int __init mx51_clocks_init(unsigned long rate_ckil, unsigned long rate_osc, mx51_spdif_xtal_sel, ARRAY_SIZE(mx51_spdif_xtal_sel)); clk[spdif1_sel] = imx_clk_mux("spdif1_sel", MXC_CCM_CSCMR2, 2, 2, spdif_sel, ARRAY_SIZE(spdif_sel)); - clk[spdif1_pred] = imx_clk_divider("spdif1_podf", "spdif1_sel", MXC_CCM_CDCDR, 16, 3); + clk[spdif1_pred] = imx_clk_divider("spdif1_pred", "spdif1_sel", MXC_CCM_CDCDR, 16, 3); clk[spdif1_podf] = imx_clk_divider("spdif1_podf", "spdif1_pred", MXC_CCM_CDCDR, 9, 6); clk[spdif1_com_sel] = imx_clk_mux("spdif1_com_sel", MXC_CCM_CSCMR2, 5, 1, mx51_spdif1_com_sel, ARRAY_SIZE(mx51_spdif1_com_sel)); diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 85a1b51..90372a2 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -233,10 +233,15 @@ put_node: of_node_put(np); } -static void __init imx6q_opp_init(struct device *cpu_dev) +static void __init imx6q_opp_init(void) { struct device_node *np; + struct device *cpu_dev = get_cpu_device(0); + if (!cpu_dev) { + pr_warn("failed to get cpu0 device\n"); + return; + } np = of_node_get(cpu_dev->of_node); if (!np) { pr_warn("failed to find cpu0 node\n"); @@ -268,7 +273,7 @@ static void __init imx6q_init_late(void) imx6q_cpuidle_init(); if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ)) { - imx6q_opp_init(&imx6q_cpufreq_pdev.dev); + imx6q_opp_init(); platform_device_register(&imx6q_cpufreq_pdev); } } diff --git a/arch/arm/mach-imx/system.c b/arch/arm/mach-imx/system.c index 64ff37e..80c177c 100644 --- a/arch/arm/mach-imx/system.c +++ b/arch/arm/mach-imx/system.c @@ -117,6 +117,17 @@ void __init imx_init_l2cache(void) /* Configure the L2 PREFETCH and POWER registers */ val = readl_relaxed(l2x0_base + L2X0_PREFETCH_CTRL); val |= 0x70800000; + /* + * The L2 cache controller(PL310) version on the i.MX6D/Q is r3p1-50rel0 + * The L2 cache controller(PL310) version on the i.MX6DL/SOLO/SL is r3p2 + * But according to ARM PL310 errata: 752271 + * ID: 752271: Double linefill feature can cause data corruption + * Fault Status: Present in: r3p0, r3p1, r3p1-50rel0. Fixed in r3p2 + * Workaround: The only workaround to this erratum is to disable the + * double linefill feature. This is the default behavior. + */ + if (cpu_is_imx6q()) + val &= ~(1 << 30 | 1 << 23); writel_relaxed(val, l2x0_base + L2X0_PREFETCH_CTRL); val = L2X0_DYNAMIC_CLK_GATING_EN | L2X0_STNDBY_MODE_EN; writel_relaxed(val, l2x0_base + L2X0_POWER_CTRL); diff --git a/arch/arm/mach-omap2/cclock44xx_data.c b/arch/arm/mach-omap2/cclock44xx_data.c index 1d5b529..b237950 100644 --- a/arch/arm/mach-omap2/cclock44xx_data.c +++ b/arch/arm/mach-omap2/cclock44xx_data.c @@ -1632,7 +1632,7 @@ static struct omap_clk omap44xx_clks[] = { CLK(NULL, "auxclk5_src_ck", &auxclk5_src_ck), CLK(NULL, "auxclk5_ck", &auxclk5_ck), CLK(NULL, "auxclkreq5_ck", &auxclkreq5_ck), - CLK("omap-gpmc", "fck", &dummy_ck), + CLK("50000000.gpmc", "fck", &dummy_ck), CLK("omap_i2c.1", "ick", &dummy_ck), CLK("omap_i2c.2", "ick", &dummy_ck), CLK("omap_i2c.3", "ick", &dummy_ck), diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c index c443f2e..4c8982a 100644 --- a/arch/arm/mach-omap2/cpuidle44xx.c +++ b/arch/arm/mach-omap2/cpuidle44xx.c @@ -143,7 +143,7 @@ static int omap_enter_idle_coupled(struct cpuidle_device *dev, * Call idle CPU cluster PM exit notifier chain * to restore GIC and wakeupgen context. */ - if ((cx->mpu_state == PWRDM_POWER_RET) && + if (dev->cpu == 0 && (cx->mpu_state == PWRDM_POWER_RET) && (cx->mpu_logic_state == PWRDM_POWER_OFF)) cpu_cluster_pm_exit(); diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index 9f4795a..579697a 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -1491,8 +1491,8 @@ static int gpmc_probe_generic_child(struct platform_device *pdev, */ ret = gpmc_cs_remap(cs, res.start); if (ret < 0) { - dev_err(&pdev->dev, "cannot remap GPMC CS %d to 0x%x\n", - cs, res.start); + dev_err(&pdev->dev, "cannot remap GPMC CS %d to %pa\n", + cs, &res.start); goto err; } diff --git a/arch/arm/mach-omap2/mux34xx.c b/arch/arm/mach-omap2/mux34xx.c index c53609f4..be271f1 100644 --- a/arch/arm/mach-omap2/mux34xx.c +++ b/arch/arm/mach-omap2/mux34xx.c @@ -620,7 +620,7 @@ static struct omap_mux __initdata omap3_muxmodes[] = { "uart1_rts", "ssi1_flag_tx", NULL, NULL, "gpio_149", NULL, NULL, "safe_mode"), _OMAP3_MUXENTRY(UART1_RX, 151, - "uart1_rx", "ss1_wake_tx", "mcbsp1_clkr", "mcspi4_clk", + "uart1_rx", "ssi1_wake_tx", "mcbsp1_clkr", "mcspi4_clk", "gpio_151", NULL, NULL, "safe_mode"), _OMAP3_MUXENTRY(UART1_TX, 148, "uart1_tx", "ssi1_dat_tx", NULL, NULL, diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c index 8708b2a..8912110 100644 --- a/arch/arm/mach-omap2/omap-smp.c +++ b/arch/arm/mach-omap2/omap-smp.c @@ -1,5 +1,5 @@ /* - * OMAP4 SMP source file. It contains platform specific fucntions + * OMAP4 SMP source file. It contains platform specific functions * needed for the linux smp kernel. * * Copyright (C) 2009 Texas Instruments, Inc. diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c index f99f68e..b69dd9a 100644 --- a/arch/arm/mach-omap2/omap_device.c +++ b/arch/arm/mach-omap2/omap_device.c @@ -158,7 +158,7 @@ static int omap_device_build_from_dt(struct platform_device *pdev) } od = omap_device_alloc(pdev, hwmods, oh_cnt); - if (!od) { + if (IS_ERR(od)) { dev_err(&pdev->dev, "Cannot allocate omap_device for :%s\n", oh_name); ret = PTR_ERR(od); diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c index 612a456..7fb96eb 100644 --- a/arch/arm/mach-sa1100/collie.c +++ b/arch/arm/mach-sa1100/collie.c @@ -289,7 +289,7 @@ static void collie_flash_exit(void) } static struct flash_platform_data collie_flash_data = { - .map_name = "cfi_probe", + .map_name = "jedec_probe", .init = collie_flash_init, .set_vpp = collie_set_vpp, .exit = collie_flash_exit, diff --git a/arch/arm/mach-shmobile/clock-r8a73a4.c b/arch/arm/mach-shmobile/clock-r8a73a4.c index 8ea5ef6..5bd2e85 100644 --- a/arch/arm/mach-shmobile/clock-r8a73a4.c +++ b/arch/arm/mach-shmobile/clock-r8a73a4.c @@ -555,7 +555,7 @@ static struct clk_lookup lookups[] = { CLKDEV_CON_ID("pll2h", &pll2h_clk), /* CPU clock */ - CLKDEV_DEV_ID("cpufreq-cpu0", &z_clk), + CLKDEV_DEV_ID("cpu0", &z_clk), /* DIV6 */ CLKDEV_CON_ID("zb", &div6_clks[DIV6_ZB]), diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c index 1942eae..c92c023 100644 --- a/arch/arm/mach-shmobile/clock-sh73a0.c +++ b/arch/arm/mach-shmobile/clock-sh73a0.c @@ -616,7 +616,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("smp_twd", &twd_clk), /* smp_twd */ /* DIV4 clocks */ - CLKDEV_DEV_ID("cpufreq-cpu0", &div4_clks[DIV4_Z]), + CLKDEV_DEV_ID("cpu0", &div4_clks[DIV4_Z]), /* DIV6 clocks */ CLKDEV_CON_ID("vck1_clk", &div6_clks[DIV6_VCK1]), diff --git a/arch/arm/mach-u300/Kconfig b/arch/arm/mach-u300/Kconfig index a85adcd..a165986 100644 --- a/arch/arm/mach-u300/Kconfig +++ b/arch/arm/mach-u300/Kconfig @@ -1,7 +1,3 @@ -menu "ST-Ericsson AB U300/U335 Platform" - -comment "ST-Ericsson Mobile Platform Products" - config ARCH_U300 bool "ST-Ericsson U300 Series" if ARCH_MULTI_V5 depends on MMU @@ -25,7 +21,9 @@ config ARCH_U300 help Support for ST-Ericsson U300 series mobile platforms. -comment "ST-Ericsson U300/U335 Feature Selections" +if ARCH_U300 + +menu "ST-Ericsson AB U300/U335 Platform" config MACH_U300 depends on ARCH_U300 @@ -53,3 +51,5 @@ config MACH_U300_SPIDUMMY SPI framework and ARM PL022 support. endmenu + +endif diff --git a/arch/arm/mach-ux500/cache-l2x0.c b/arch/arm/mach-ux500/cache-l2x0.c index 82ccf1d..264f894 100644 --- a/arch/arm/mach-ux500/cache-l2x0.c +++ b/arch/arm/mach-ux500/cache-l2x0.c @@ -69,6 +69,7 @@ static int __init ux500_l2x0_init(void) * some SMI service available. */ outer_cache.disable = NULL; + outer_cache.set_debug = NULL; return 0; } diff --git a/arch/arm64/include/asm/hwcap.h b/arch/arm64/include/asm/hwcap.h index 6d4482f..e2950b0 100644 --- a/arch/arm64/include/asm/hwcap.h +++ b/arch/arm64/include/asm/hwcap.h @@ -43,6 +43,6 @@ COMPAT_HWCAP_VFPv3|COMPAT_HWCAP_VFPv4|\ COMPAT_HWCAP_NEON|COMPAT_HWCAP_IDIV) -extern unsigned int elf_hwcap; +extern unsigned long elf_hwcap; #endif #endif diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index 57fb55c..7ae8a1f 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -143,15 +143,26 @@ void machine_restart(char *cmd) void __show_regs(struct pt_regs *regs) { - int i; + int i, top_reg; + u64 lr, sp; + + if (compat_user_mode(regs)) { + lr = regs->compat_lr; + sp = regs->compat_sp; + top_reg = 12; + } else { + lr = regs->regs[30]; + sp = regs->sp; + top_reg = 29; + } show_regs_print_info(KERN_DEFAULT); print_symbol("PC is at %s\n", instruction_pointer(regs)); - print_symbol("LR is at %s\n", regs->regs[30]); + print_symbol("LR is at %s\n", lr); printk("pc : [<%016llx>] lr : [<%016llx>] pstate: %08llx\n", - regs->pc, regs->regs[30], regs->pstate); - printk("sp : %016llx\n", regs->sp); - for (i = 29; i >= 0; i--) { + regs->pc, lr, regs->pstate); + printk("sp : %016llx\n", sp); + for (i = top_reg; i >= 0; i--) { printk("x%-2d: %016llx ", i, regs->regs[i]); if (i % 2 == 0) printk("\n"); diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 12ad8f3..055cfb8 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -57,7 +57,7 @@ unsigned int processor_id; EXPORT_SYMBOL(processor_id); -unsigned int elf_hwcap __read_mostly; +unsigned long elf_hwcap __read_mostly; EXPORT_SYMBOL_GPL(elf_hwcap); static const char *cpu_name; diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index 6d6acf1..c23751b 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -130,7 +130,7 @@ static void __do_user_fault(struct task_struct *tsk, unsigned long addr, force_sig_info(sig, &si, tsk); } -void do_bad_area(unsigned long addr, unsigned int esr, struct pt_regs *regs) +static void do_bad_area(unsigned long addr, unsigned int esr, struct pt_regs *regs) { struct task_struct *tsk = current; struct mm_struct *mm = tsk->active_mm; diff --git a/arch/avr32/include/asm/Kbuild b/arch/avr32/include/asm/Kbuild index d22af85..fd79807 100644 --- a/arch/avr32/include/asm/Kbuild +++ b/arch/avr32/include/asm/Kbuild @@ -1,5 +1,19 @@ generic-y += clkdev.h +generic-y += cputime.h +generic-y += delay.h +generic-y += device.h +generic-y += div64.h +generic-y += emergency-restart.h generic-y += exec.h -generic-y += trace_clock.h +generic-y += futex.h +generic-y += irq_regs.h generic-y += param.h +generic-y += local.h +generic-y += local64.h +generic-y += percpu.h +generic-y += scatterlist.h +generic-y += sections.h +generic-y += topology.h +generic-y += trace_clock.h +generic-y += xor.h diff --git a/arch/avr32/include/asm/cputime.h b/arch/avr32/include/asm/cputime.h deleted file mode 100644 index e87e0f8..0000000 --- a/arch/avr32/include/asm/cputime.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_CPUTIME_H -#define __ASM_AVR32_CPUTIME_H - -#include <asm-generic/cputime.h> - -#endif /* __ASM_AVR32_CPUTIME_H */ diff --git a/arch/avr32/include/asm/delay.h b/arch/avr32/include/asm/delay.h deleted file mode 100644 index 9670e12..0000000 --- a/arch/avr32/include/asm/delay.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/delay.h> diff --git a/arch/avr32/include/asm/device.h b/arch/avr32/include/asm/device.h deleted file mode 100644 index d8f9872..0000000 --- a/arch/avr32/include/asm/device.h +++ /dev/null @@ -1,7 +0,0 @@ -/* - * Arch specific extensions to struct device - * - * This file is released under the GPLv2 - */ -#include <asm-generic/device.h> - diff --git a/arch/avr32/include/asm/div64.h b/arch/avr32/include/asm/div64.h deleted file mode 100644 index d7ddd4f..0000000 --- a/arch/avr32/include/asm/div64.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_DIV64_H -#define __ASM_AVR32_DIV64_H - -#include <asm-generic/div64.h> - -#endif /* __ASM_AVR32_DIV64_H */ diff --git a/arch/avr32/include/asm/emergency-restart.h b/arch/avr32/include/asm/emergency-restart.h deleted file mode 100644 index 3e7e014..0000000 --- a/arch/avr32/include/asm/emergency-restart.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_EMERGENCY_RESTART_H -#define __ASM_AVR32_EMERGENCY_RESTART_H - -#include <asm-generic/emergency-restart.h> - -#endif /* __ASM_AVR32_EMERGENCY_RESTART_H */ diff --git a/arch/avr32/include/asm/futex.h b/arch/avr32/include/asm/futex.h deleted file mode 100644 index 10419f1..0000000 --- a/arch/avr32/include/asm/futex.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_FUTEX_H -#define __ASM_AVR32_FUTEX_H - -#include <asm-generic/futex.h> - -#endif /* __ASM_AVR32_FUTEX_H */ diff --git a/arch/avr32/include/asm/irq_regs.h b/arch/avr32/include/asm/irq_regs.h deleted file mode 100644 index 3dd9c0b..0000000 --- a/arch/avr32/include/asm/irq_regs.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/irq_regs.h> diff --git a/arch/avr32/include/asm/local.h b/arch/avr32/include/asm/local.h deleted file mode 100644 index 1c16196..0000000 --- a/arch/avr32/include/asm/local.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_LOCAL_H -#define __ASM_AVR32_LOCAL_H - -#include <asm-generic/local.h> - -#endif /* __ASM_AVR32_LOCAL_H */ diff --git a/arch/avr32/include/asm/local64.h b/arch/avr32/include/asm/local64.h deleted file mode 100644 index 36c93b5..0000000 --- a/arch/avr32/include/asm/local64.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/local64.h> diff --git a/arch/avr32/include/asm/percpu.h b/arch/avr32/include/asm/percpu.h deleted file mode 100644 index 69227b4..0000000 --- a/arch/avr32/include/asm/percpu.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_PERCPU_H -#define __ASM_AVR32_PERCPU_H - -#include <asm-generic/percpu.h> - -#endif /* __ASM_AVR32_PERCPU_H */ diff --git a/arch/avr32/include/asm/scatterlist.h b/arch/avr32/include/asm/scatterlist.h deleted file mode 100644 index a5902d98..0000000 --- a/arch/avr32/include/asm/scatterlist.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_SCATTERLIST_H -#define __ASM_AVR32_SCATTERLIST_H - -#include <asm-generic/scatterlist.h> - -#endif /* __ASM_AVR32_SCATTERLIST_H */ diff --git a/arch/avr32/include/asm/sections.h b/arch/avr32/include/asm/sections.h deleted file mode 100644 index aa14252..0000000 --- a/arch/avr32/include/asm/sections.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_SECTIONS_H -#define __ASM_AVR32_SECTIONS_H - -#include <asm-generic/sections.h> - -#endif /* __ASM_AVR32_SECTIONS_H */ diff --git a/arch/avr32/include/asm/topology.h b/arch/avr32/include/asm/topology.h deleted file mode 100644 index 5b766cb..0000000 --- a/arch/avr32/include/asm/topology.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_TOPOLOGY_H -#define __ASM_AVR32_TOPOLOGY_H - -#include <asm-generic/topology.h> - -#endif /* __ASM_AVR32_TOPOLOGY_H */ diff --git a/arch/avr32/include/asm/xor.h b/arch/avr32/include/asm/xor.h deleted file mode 100644 index 99c87aa..0000000 --- a/arch/avr32/include/asm/xor.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASM_XOR_H -#define _ASM_XOR_H - -#include <asm-generic/xor.h> - -#endif diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c index c273100..42a53e74 100644 --- a/arch/avr32/kernel/process.c +++ b/arch/avr32/kernel/process.c @@ -289,7 +289,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, memset(childregs, 0, sizeof(struct pt_regs)); p->thread.cpu_context.r0 = arg; p->thread.cpu_context.r1 = usp; /* fn */ - p->thread.cpu_context.r2 = syscall_return; + p->thread.cpu_context.r2 = (unsigned long)syscall_return; p->thread.cpu_context.pc = (unsigned long)ret_from_kernel_thread; childregs->sr = MODE_SUPERVISOR; } else { diff --git a/arch/avr32/kernel/time.c b/arch/avr32/kernel/time.c index 869a1c6..12f828a 100644 --- a/arch/avr32/kernel/time.c +++ b/arch/avr32/kernel/time.c @@ -98,7 +98,14 @@ static void comparator_mode(enum clock_event_mode mode, case CLOCK_EVT_MODE_SHUTDOWN: sysreg_write(COMPARE, 0); pr_debug("%s: stop\n", evdev->name); - cpu_idle_poll_ctrl(false); + if (evdev->mode == CLOCK_EVT_MODE_ONESHOT || + evdev->mode == CLOCK_EVT_MODE_RESUME) { + /* + * Only disable idle poll if we have forced that + * in a previous call. + */ + cpu_idle_poll_ctrl(false); + } break; default: BUG(); diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h index 51680d1..d445d06 100644 --- a/arch/mips/include/asm/cpu-features.h +++ b/arch/mips/include/asm/cpu-features.h @@ -187,7 +187,7 @@ /* * MIPS32, MIPS64, VR5500, IDT32332, IDT32334 and maybe a few other - * pre-MIPS32/MIPS53 processors have CLO, CLZ. The IDT RC64574 is 64-bit and + * pre-MIPS32/MIPS64 processors have CLO, CLZ. The IDT RC64574 is 64-bit and * has CLO and CLZ but not DCLO nor DCLZ. For 64-bit kernels * cpu_has_clo_clz also indicates the availability of DCLO and DCLZ. */ diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index f25a7e9..5f8b955 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c @@ -308,12 +308,10 @@ static void mips_dma_sync_sg_for_cpu(struct device *dev, { int i; - /* Make sure that gcc doesn't leave the empty loop body. */ - for (i = 0; i < nelems; i++, sg++) { - if (cpu_needs_post_dma_flush(dev)) + if (cpu_needs_post_dma_flush(dev)) + for (i = 0; i < nelems; i++, sg++) __dma_sync(sg_page(sg), sg->offset, sg->length, direction); - } } static void mips_dma_sync_sg_for_device(struct device *dev, @@ -321,12 +319,10 @@ static void mips_dma_sync_sg_for_device(struct device *dev, { int i; - /* Make sure that gcc doesn't leave the empty loop body. */ - for (i = 0; i < nelems; i++, sg++) { - if (!plat_device_is_coherent(dev)) + if (!plat_device_is_coherent(dev)) + for (i = 0; i < nelems; i++, sg++) __dma_sync(sg_page(sg), sg->offset, sg->length, direction); - } } int mips_dma_mapping_error(struct device *dev, dma_addr_t dma_addr) diff --git a/arch/openrisc/include/asm/prom.h b/arch/openrisc/include/asm/prom.h index eb59bfe..93c9980 100644 --- a/arch/openrisc/include/asm/prom.h +++ b/arch/openrisc/include/asm/prom.h @@ -14,53 +14,9 @@ * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ - -#include <linux/of.h> /* linux/of.h gets to determine #include ordering */ - #ifndef _ASM_OPENRISC_PROM_H #define _ASM_OPENRISC_PROM_H -#ifdef __KERNEL__ -#ifndef __ASSEMBLY__ -#include <linux/types.h> -#include <asm/irq.h> -#include <linux/irqdomain.h> -#include <linux/atomic.h> -#include <linux/of_irq.h> -#include <linux/of_fdt.h> -#include <linux/of_address.h> -#include <linux/proc_fs.h> -#include <linux/platform_device.h> #define HAVE_ARCH_DEVTREE_FIXUPS -/* Other Prototypes */ -extern int early_uartlite_console(void); - -/* Parse the ibm,dma-window property of an OF node into the busno, phys and - * size parameters. - */ -void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop, - unsigned long *busno, unsigned long *phys, unsigned long *size); - -extern void kdump_move_device_tree(void); - -/* Get the MAC address */ -extern const void *of_get_mac_address(struct device_node *np); - -/** - * of_irq_map_pci - Resolve the interrupt for a PCI device - * @pdev: the device whose interrupt is to be resolved - * @out_irq: structure of_irq filled by this function - * - * This function resolves the PCI interrupt for a given PCI device. If a - * device-node exists for a given pci_dev, it will use normal OF tree - * walking. If not, it will implement standard swizzling and walk up the - * PCI tree until an device-node is found, at which point it will finish - * resolving using the OF tree walking. - */ -struct pci_dev; -extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq); - -#endif /* __ASSEMBLY__ */ -#endif /* __KERNEL__ */ #endif /* _ASM_OPENRISC_PROM_H */ diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c index d10d27a..00c0ed3 100644 --- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -182,6 +182,9 @@ void do_page_fault(struct pt_regs *regs, unsigned long code, if (user_mode(regs)) flags |= FAULT_FLAG_USER; + + acc_type = parisc_acctyp(code, regs->iir); + if (acc_type & VM_WRITE) flags |= FAULT_FLAG_WRITE; retry: @@ -196,8 +199,6 @@ retry: good_area: - acc_type = parisc_acctyp(code,regs->iir); - if ((vma->vm_flags & acc_type) != acc_type) goto bad_area; diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 6a15c96..15ca225 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -74,7 +74,7 @@ src-wlib-$(CONFIG_8xx) += mpc8xx.c planetcore.c src-wlib-$(CONFIG_PPC_82xx) += pq2.c fsl-soc.c planetcore.c src-wlib-$(CONFIG_EMBEDDED6xx) += mv64x60.c mv64x60_i2c.c ugecon.c -src-plat-y := of.c +src-plat-y := of.c epapr.c src-plat-$(CONFIG_40x) += fixed-head.S ep405.c cuboot-hotfoot.c \ treeboot-walnut.c cuboot-acadia.c \ cuboot-kilauea.c simpleboot.c \ @@ -97,7 +97,7 @@ src-plat-$(CONFIG_EMBEDDED6xx) += cuboot-pq2.c cuboot-mpc7448hpc2.c \ prpmc2800.c src-plat-$(CONFIG_AMIGAONE) += cuboot-amigaone.c src-plat-$(CONFIG_PPC_PS3) += ps3-head.S ps3-hvcall.S ps3.c -src-plat-$(CONFIG_EPAPR_BOOT) += epapr.c +src-plat-$(CONFIG_EPAPR_BOOT) += epapr.c epapr-wrapper.c src-wlib := $(sort $(src-wlib-y)) src-plat := $(sort $(src-plat-y)) diff --git a/arch/powerpc/boot/epapr-wrapper.c b/arch/powerpc/boot/epapr-wrapper.c new file mode 100644 index 0000000..c101910 --- /dev/null +++ b/arch/powerpc/boot/epapr-wrapper.c @@ -0,0 +1,9 @@ +extern void epapr_platform_init(unsigned long r3, unsigned long r4, + unsigned long r5, unsigned long r6, + unsigned long r7); + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) +{ + epapr_platform_init(r3, r4, r5, r6, r7); +} diff --git a/arch/powerpc/boot/epapr.c b/arch/powerpc/boot/epapr.c index 06c1961..02e91aa 100644 --- a/arch/powerpc/boot/epapr.c +++ b/arch/powerpc/boot/epapr.c @@ -48,8 +48,8 @@ static void platform_fixups(void) fdt_addr, fdt_totalsize((void *)fdt_addr), ima_size); } -void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7) +void epapr_platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) { epapr_magic = r6; ima_size = r7; diff --git a/arch/powerpc/boot/of.c b/arch/powerpc/boot/of.c index 61d9899..62e2f43 100644 --- a/arch/powerpc/boot/of.c +++ b/arch/powerpc/boot/of.c @@ -26,6 +26,9 @@ static unsigned long claim_base; +void epapr_platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7); + static void *of_try_claim(unsigned long size) { unsigned long addr = 0; @@ -61,7 +64,7 @@ static void of_image_hdr(const void *hdr) } } -void platform_init(unsigned long a1, unsigned long a2, void *promptr) +static void of_platform_init(unsigned long a1, unsigned long a2, void *promptr) { platform_ops.image_hdr = of_image_hdr; platform_ops.malloc = of_try_claim; @@ -81,3 +84,14 @@ void platform_init(unsigned long a1, unsigned long a2, void *promptr) loader_info.initrd_size = a2; } } + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) +{ + /* Detect OF vs. ePAPR boot */ + if (r5) + of_platform_init(r3, r4, (void *)r5); + else + epapr_platform_init(r3, r4, r5, r6, r7); +} + diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index 6761c74..cd7af84 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -148,18 +148,18 @@ make_space=y case "$platform" in pseries) - platformo=$object/of.o + platformo="$object/of.o $object/epapr.o" link_address='0x4000000' ;; maple) - platformo=$object/of.o + platformo="$object/of.o $object/epapr.o" link_address='0x400000' ;; pmac|chrp) - platformo=$object/of.o + platformo="$object/of.o $object/epapr.o" ;; coff) - platformo="$object/crt0.o $object/of.o" + platformo="$object/crt0.o $object/of.o $object/epapr.o" lds=$object/zImage.coff.lds link_address='0x500000' pie= @@ -253,6 +253,7 @@ treeboot-iss4xx-mpic) platformo="$object/treeboot-iss4xx.o" ;; epapr) + platformo="$object/epapr.o $object/epapr-wrapper.o" link_address='0x20000000' pie=-pie ;; diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h index 0e40843..41f13ce 100644 --- a/arch/powerpc/include/asm/irq.h +++ b/arch/powerpc/include/asm/irq.h @@ -69,9 +69,9 @@ extern struct thread_info *softirq_ctx[NR_CPUS]; extern void irq_ctx_init(void); extern void call_do_softirq(struct thread_info *tp); -extern int call_handle_irq(int irq, void *p1, - struct thread_info *tp, void *func); +extern void call_do_irq(struct pt_regs *regs, struct thread_info *tp); extern void do_IRQ(struct pt_regs *regs); +extern void __do_irq(struct pt_regs *regs); int irq_choose_cpu(const struct cpumask *mask); diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index e378ccc..ce4de5a 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -149,8 +149,6 @@ typedef struct { struct thread_struct { unsigned long ksp; /* Kernel stack pointer */ - unsigned long ksp_limit; /* if ksp <= ksp_limit stack overflow */ - #ifdef CONFIG_PPC64 unsigned long ksp_vsid; #endif @@ -162,6 +160,7 @@ struct thread_struct { #endif #ifdef CONFIG_PPC32 void *pgdir; /* root of page-table tree */ + unsigned long ksp_limit; /* if ksp <= ksp_limit stack overflow */ #endif #ifdef CONFIG_PPC_ADV_DEBUG_REGS /* @@ -321,7 +320,6 @@ struct thread_struct { #else #define INIT_THREAD { \ .ksp = INIT_SP, \ - .ksp_limit = INIT_SP_LIMIT, \ .regs = (struct pt_regs *)INIT_SP - 1, /* XXX bogus, I think */ \ .fs = KERNEL_DS, \ .fpr = {{0}}, \ diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index d8958be..502c7a4 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -80,10 +80,11 @@ int main(void) DEFINE(TASKTHREADPPR, offsetof(struct task_struct, thread.ppr)); #else DEFINE(THREAD_INFO, offsetof(struct task_struct, stack)); + DEFINE(THREAD_INFO_GAP, _ALIGN_UP(sizeof(struct thread_info), 16)); + DEFINE(KSP_LIMIT, offsetof(struct thread_struct, ksp_limit)); #endif /* CONFIG_PPC64 */ DEFINE(KSP, offsetof(struct thread_struct, ksp)); - DEFINE(KSP_LIMIT, offsetof(struct thread_struct, ksp_limit)); DEFINE(PT_REGS, offsetof(struct thread_struct, regs)); #ifdef CONFIG_BOOKE DEFINE(THREAD_NORMSAVES, offsetof(struct thread_struct, normsave[0])); diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index c69440c..57d286a 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -441,50 +441,6 @@ void migrate_irqs(void) } #endif -static inline void handle_one_irq(unsigned int irq) -{ - struct thread_info *curtp, *irqtp; - unsigned long saved_sp_limit; - struct irq_desc *desc; - - desc = irq_to_desc(irq); - if (!desc) - return; - - /* Switch to the irq stack to handle this */ - curtp = current_thread_info(); - irqtp = hardirq_ctx[smp_processor_id()]; - - if (curtp == irqtp) { - /* We're already on the irq stack, just handle it */ - desc->handle_irq(irq, desc); - return; - } - - saved_sp_limit = current->thread.ksp_limit; - - irqtp->task = curtp->task; - irqtp->flags = 0; - - /* Copy the softirq bits in preempt_count so that the - * softirq checks work in the hardirq context. */ - irqtp->preempt_count = (irqtp->preempt_count & ~SOFTIRQ_MASK) | - (curtp->preempt_count & SOFTIRQ_MASK); - - current->thread.ksp_limit = (unsigned long)irqtp + - _ALIGN_UP(sizeof(struct thread_info), 16); - - call_handle_irq(irq, desc, irqtp, desc->handle_irq); - current->thread.ksp_limit = saved_sp_limit; - irqtp->task = NULL; - - /* Set any flag that may have been set on the - * alternate stack - */ - if (irqtp->flags) - set_bits(irqtp->flags, &curtp->flags); -} - static inline void check_stack_overflow(void) { #ifdef CONFIG_DEBUG_STACKOVERFLOW @@ -501,9 +457,9 @@ static inline void check_stack_overflow(void) #endif } -void do_IRQ(struct pt_regs *regs) +void __do_irq(struct pt_regs *regs) { - struct pt_regs *old_regs = set_irq_regs(regs); + struct irq_desc *desc; unsigned int irq; irq_enter(); @@ -519,18 +475,56 @@ void do_IRQ(struct pt_regs *regs) */ irq = ppc_md.get_irq(); - /* We can hard enable interrupts now */ + /* We can hard enable interrupts now to allow perf interrupts */ may_hard_irq_enable(); /* And finally process it */ - if (irq != NO_IRQ) - handle_one_irq(irq); - else + if (unlikely(irq == NO_IRQ)) __get_cpu_var(irq_stat).spurious_irqs++; + else { + desc = irq_to_desc(irq); + if (likely(desc)) + desc->handle_irq(irq, desc); + } trace_irq_exit(regs); irq_exit(); +} + +void do_IRQ(struct pt_regs *regs) +{ + struct pt_regs *old_regs = set_irq_regs(regs); + struct thread_info *curtp, *irqtp; + + /* Switch to the irq stack to handle this */ + curtp = current_thread_info(); + irqtp = hardirq_ctx[raw_smp_processor_id()]; + + /* Already there ? */ + if (unlikely(curtp == irqtp)) { + __do_irq(regs); + set_irq_regs(old_regs); + return; + } + + /* Prepare the thread_info in the irq stack */ + irqtp->task = curtp->task; + irqtp->flags = 0; + + /* Copy the preempt_count so that the [soft]irq checks work. */ + irqtp->preempt_count = curtp->preempt_count; + + /* Switch stack and call */ + call_do_irq(regs, irqtp); + + /* Restore stack limit */ + irqtp->task = NULL; + + /* Copy back updates to the thread_info */ + if (irqtp->flags) + set_bits(irqtp->flags, &curtp->flags); + set_irq_regs(old_regs); } @@ -592,28 +586,22 @@ void irq_ctx_init(void) memset((void *)softirq_ctx[i], 0, THREAD_SIZE); tp = softirq_ctx[i]; tp->cpu = i; - tp->preempt_count = 0; memset((void *)hardirq_ctx[i], 0, THREAD_SIZE); tp = hardirq_ctx[i]; tp->cpu = i; - tp->preempt_count = HARDIRQ_OFFSET; } } static inline void do_softirq_onstack(void) { struct thread_info *curtp, *irqtp; - unsigned long saved_sp_limit = current->thread.ksp_limit; curtp = current_thread_info(); irqtp = softirq_ctx[smp_processor_id()]; irqtp->task = curtp->task; irqtp->flags = 0; - current->thread.ksp_limit = (unsigned long)irqtp + - _ALIGN_UP(sizeof(struct thread_info), 16); call_do_softirq(irqtp); - current->thread.ksp_limit = saved_sp_limit; irqtp->task = NULL; /* Set any flag that may have been set on the diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index 777d999..2b0ad98 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -36,26 +36,41 @@ .text +/* + * We store the saved ksp_limit in the unused part + * of the STACK_FRAME_OVERHEAD + */ _GLOBAL(call_do_softirq) mflr r0 stw r0,4(r1) + lwz r10,THREAD+KSP_LIMIT(r2) + addi r11,r3,THREAD_INFO_GAP stwu r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r3) mr r1,r3 + stw r10,8(r1) + stw r11,THREAD+KSP_LIMIT(r2) bl __do_softirq + lwz r10,8(r1) lwz r1,0(r1) lwz r0,4(r1) + stw r10,THREAD+KSP_LIMIT(r2) mtlr r0 blr -_GLOBAL(call_handle_irq) +_GLOBAL(call_do_irq) mflr r0 stw r0,4(r1) - mtctr r6 - stwu r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r5) - mr r1,r5 - bctrl + lwz r10,THREAD+KSP_LIMIT(r2) + addi r11,r3,THREAD_INFO_GAP + stwu r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r4) + mr r1,r4 + stw r10,8(r1) + stw r11,THREAD+KSP_LIMIT(r2) + bl __do_irq + lwz r10,8(r1) lwz r1,0(r1) lwz r0,4(r1) + stw r10,THREAD+KSP_LIMIT(r2) mtlr r0 blr diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S index 971d7e7..e59caf8 100644 --- a/arch/powerpc/kernel/misc_64.S +++ b/arch/powerpc/kernel/misc_64.S @@ -40,14 +40,12 @@ _GLOBAL(call_do_softirq) mtlr r0 blr -_GLOBAL(call_handle_irq) - ld r8,0(r6) +_GLOBAL(call_do_irq) mflr r0 std r0,16(r1) - mtctr r8 - stdu r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r5) - mr r1,r5 - bctrl + stdu r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r4) + mr r1,r4 + bl .__do_irq ld r1,0(r1) ld r0,16(r1) mtlr r0 diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 6f428da..96d2fdf 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1000,9 +1000,10 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, kregs = (struct pt_regs *) sp; sp -= STACK_FRAME_OVERHEAD; p->thread.ksp = sp; +#ifdef CONFIG_PPC32 p->thread.ksp_limit = (unsigned long)task_stack_page(p) + _ALIGN_UP(sizeof(struct thread_info), 16); - +#endif #ifdef CONFIG_HAVE_HW_BREAKPOINT p->thread.ptrace_bps[0] = NULL; #endif diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 12e656f..5fe2842 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -196,6 +196,8 @@ static int __initdata mem_reserve_cnt; static cell_t __initdata regbuf[1024]; +static bool rtas_has_query_cpu_stopped; + /* * Error results ... some OF calls will return "-1" on error, some @@ -1574,6 +1576,11 @@ static void __init prom_instantiate_rtas(void) prom_setprop(rtas_node, "/rtas", "linux,rtas-entry", &val, sizeof(val)); + /* Check if it supports "query-cpu-stopped-state" */ + if (prom_getprop(rtas_node, "query-cpu-stopped-state", + &val, sizeof(val)) != PROM_ERROR) + rtas_has_query_cpu_stopped = true; + #if defined(CONFIG_PPC_POWERNV) && defined(__BIG_ENDIAN__) /* PowerVN takeover hack */ prom_rtas_data = base; @@ -1815,6 +1822,18 @@ static void __init prom_hold_cpus(void) = (void *) LOW_ADDR(__secondary_hold_acknowledge); unsigned long secondary_hold = LOW_ADDR(__secondary_hold); + /* + * On pseries, if RTAS supports "query-cpu-stopped-state", + * we skip this stage, the CPUs will be started by the + * kernel using RTAS. + */ + if ((of_platform == PLATFORM_PSERIES || + of_platform == PLATFORM_PSERIES_LPAR) && + rtas_has_query_cpu_stopped) { + prom_printf("prom_hold_cpus: skipped\n"); + return; + } + prom_debug("prom_hold_cpus: start...\n"); prom_debug(" 1) spinloop = 0x%x\n", (unsigned long)spinloop); prom_debug(" 1) *spinloop = 0x%x\n", *spinloop); @@ -3011,6 +3030,8 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4, * On non-powermacs, put all CPUs in spin-loops. * * PowerMacs use a different mechanism to spin CPUs + * + * (This must be done after instanciating RTAS) */ if (of_platform != PLATFORM_POWERMAC && of_platform != PLATFORM_OPAL) diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c index a7ee978..b1faa15 100644 --- a/arch/powerpc/lib/sstep.c +++ b/arch/powerpc/lib/sstep.c @@ -1505,6 +1505,7 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr) */ if ((ra == 1) && !(regs->msr & MSR_PR) \ && (val3 >= (regs->gpr[1] - STACK_INT_FRAME_SIZE))) { +#ifdef CONFIG_PPC32 /* * Check if we will touch kernel sack overflow */ @@ -1513,7 +1514,7 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr) err = -EINVAL; break; } - +#endif /* CONFIG_PPC32 */ /* * Check if we already set since that means we'll * lose the previous value. diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c index 1c1771a..24f58cb 100644 --- a/arch/powerpc/platforms/pseries/smp.c +++ b/arch/powerpc/platforms/pseries/smp.c @@ -233,18 +233,24 @@ static void __init smp_init_pseries(void) alloc_bootmem_cpumask_var(&of_spin_mask); - /* Mark threads which are still spinning in hold loops. */ - if (cpu_has_feature(CPU_FTR_SMT)) { - for_each_present_cpu(i) { - if (cpu_thread_in_core(i) == 0) - cpumask_set_cpu(i, of_spin_mask); - } - } else { - cpumask_copy(of_spin_mask, cpu_present_mask); + /* + * Mark threads which are still spinning in hold loops + * + * We know prom_init will not have started them if RTAS supports + * query-cpu-stopped-state. + */ + if (rtas_token("query-cpu-stopped-state") == RTAS_UNKNOWN_SERVICE) { + if (cpu_has_feature(CPU_FTR_SMT)) { + for_each_present_cpu(i) { + if (cpu_thread_in_core(i) == 0) + cpumask_set_cpu(i, of_spin_mask); + } + } else + cpumask_copy(of_spin_mask, cpu_present_mask); + + cpumask_clear_cpu(boot_cpuid, of_spin_mask); } - cpumask_clear_cpu(boot_cpuid, of_spin_mask); - /* Non-lpar has additional take/give timebase */ if (rtas_token("freeze-time-base") != RTAS_UNKNOWN_SERVICE) { smp_ops->give_timebase = rtas_give_timebase; diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index dcc6ac2..7143793 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -93,6 +93,7 @@ config S390 select ARCH_INLINE_WRITE_UNLOCK_IRQ select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE select ARCH_SAVE_PAGE_KEYS if HIBERNATION + select ARCH_USE_CMPXCHG_LOCKREF select ARCH_WANT_IPC_PARSE_VERSION select BUILDTIME_EXTABLE_SORT select CLONE_BACKWARDS2 @@ -102,7 +103,6 @@ config S390 select GENERIC_TIME_VSYSCALL_OLD select HAVE_ALIGNED_STRUCT_PAGE if SLUB select HAVE_ARCH_JUMP_LABEL if !MARCH_G5 - select HAVE_ARCH_MUTEX_CPU_RELAX select HAVE_ARCH_SECCOMP_FILTER select HAVE_ARCH_TRACEHOOK select HAVE_ARCH_TRANSPARENT_HUGEPAGE if 64BIT diff --git a/arch/s390/include/asm/mutex.h b/arch/s390/include/asm/mutex.h index 688271f..458c1f7 100644 --- a/arch/s390/include/asm/mutex.h +++ b/arch/s390/include/asm/mutex.h @@ -7,5 +7,3 @@ */ #include <asm-generic/mutex-dec.h> - -#define arch_mutex_cpu_relax() barrier() diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index 0eb3750..ca7821f 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -198,6 +198,8 @@ static inline void cpu_relax(void) barrier(); } +#define arch_mutex_cpu_relax() barrier() + static inline void psw_set_key(unsigned int key) { asm volatile("spka 0(%0)" : : "d" (key)); diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h index 701fe8c..83e5d216 100644 --- a/arch/s390/include/asm/spinlock.h +++ b/arch/s390/include/asm/spinlock.h @@ -44,6 +44,11 @@ extern void arch_spin_lock_wait_flags(arch_spinlock_t *, unsigned long flags); extern int arch_spin_trylock_retry(arch_spinlock_t *); extern void arch_spin_relax(arch_spinlock_t *lock); +static inline int arch_spin_value_unlocked(arch_spinlock_t lock) +{ + return lock.owner_cpu == 0; +} + static inline void arch_spin_lock(arch_spinlock_t *lp) { int old; diff --git a/arch/score/Kconfig b/arch/score/Kconfig index a1be70d..305f7ee 100644 --- a/arch/score/Kconfig +++ b/arch/score/Kconfig @@ -2,6 +2,7 @@ menu "Machine selection" config SCORE def_bool y + select HAVE_GENERIC_HARDIRQS select GENERIC_IRQ_SHOW select GENERIC_IOMAP select GENERIC_ATOMIC64 @@ -110,3 +111,6 @@ source "security/Kconfig" source "crypto/Kconfig" source "lib/Kconfig" + +config NO_IOMEM + def_bool y diff --git a/arch/score/Makefile b/arch/score/Makefile index 974aefe..9e3e060 100644 --- a/arch/score/Makefile +++ b/arch/score/Makefile @@ -20,8 +20,8 @@ cflags-y += -G0 -pipe -mel -mnhwloop -D__SCOREEL__ \ # KBUILD_AFLAGS += $(cflags-y) KBUILD_CFLAGS += $(cflags-y) -KBUILD_AFLAGS_MODULE += -mlong-calls -KBUILD_CFLAGS_MODULE += -mlong-calls +KBUILD_AFLAGS_MODULE += +KBUILD_CFLAGS_MODULE += LDFLAGS += --oformat elf32-littlescore LDFLAGS_vmlinux += -G0 -static -nostdlib diff --git a/arch/score/include/asm/checksum.h b/arch/score/include/asm/checksum.h index f909ac3..961bd64 100644 --- a/arch/score/include/asm/checksum.h +++ b/arch/score/include/asm/checksum.h @@ -184,48 +184,57 @@ static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr, __wsum sum) { __asm__ __volatile__( - ".set\tnoreorder\t\t\t# csum_ipv6_magic\n\t" - ".set\tnoat\n\t" - "addu\t%0, %5\t\t\t# proto (long in network byte order)\n\t" - "sltu\t$1, %0, %5\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %6\t\t\t# csum\n\t" - "sltu\t$1, %0, %6\n\t" - "lw\t%1, 0(%2)\t\t\t# four words source address\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "lw\t%1, 4(%2)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "lw\t%1, 8(%2)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "lw\t%1, 12(%2)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "lw\t%1, 0(%3)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "lw\t%1, 4(%3)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "lw\t%1, 8(%3)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "lw\t%1, 12(%3)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "addu\t%0, $1\t\t\t# Add final carry\n\t" - ".set\tnoat\n\t" - ".set\tnoreorder" + ".set\tvolatile\t\t\t# csum_ipv6_magic\n\t" + "add\t%0, %0, %5\t\t\t# proto (long in network byte order)\n\t" + "cmp.c\t%5, %0\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %6\t\t\t# csum\n\t" + "cmp.c\t%6, %0\n\t" + "lw\t%1, [%2, 0]\t\t\t# four words source address\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %1\n\t" + "cmp.c\t%1, %0\n\t" + "1:lw\t%1, [%2, 4]\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %1\n\t" + "cmp.c\t%1, %0\n\t" + "lw\t%1, [%2,8]\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %1\n\t" + "cmp.c\t%1, %0\n\t" + "lw\t%1, [%2, 12]\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0,%1\n\t" + "cmp.c\t%1, %0\n\t" + "lw\t%1, [%3, 0]\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %1\n\t" + "cmp.c\t%1, %0\n\t" + "lw\t%1, [%3, 4]\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %1\n\t" + "cmp.c\t%1, %0\n\t" + "lw\t%1, [%3, 8]\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %1\n\t" + "cmp.c\t%1, %0\n\t" + "lw\t%1, [%3, 12]\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %1\n\t" + "cmp.c\t%1, %0\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:\n\t" + ".set\toptimize" : "=r" (sum), "=r" (proto) : "r" (saddr), "r" (daddr), "0" (htonl(len)), "1" (htonl(proto)), "r" (sum)); diff --git a/arch/score/include/asm/io.h b/arch/score/include/asm/io.h index fbbfd71..574c8827 100644 --- a/arch/score/include/asm/io.h +++ b/arch/score/include/asm/io.h @@ -5,5 +5,4 @@ #define virt_to_bus virt_to_phys #define bus_to_virt phys_to_virt - #endif /* _ASM_SCORE_IO_H */ diff --git a/arch/score/include/asm/pgalloc.h b/arch/score/include/asm/pgalloc.h index 059a61b..716b3fd 100644 --- a/arch/score/include/asm/pgalloc.h +++ b/arch/score/include/asm/pgalloc.h @@ -2,7 +2,7 @@ #define _ASM_SCORE_PGALLOC_H #include <linux/mm.h> - +#include <linux/highmem.h> static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte) { diff --git a/arch/score/kernel/entry.S b/arch/score/kernel/entry.S index 7234ed0..befb87d 100644 --- a/arch/score/kernel/entry.S +++ b/arch/score/kernel/entry.S @@ -264,7 +264,7 @@ resume_kernel: disable_irq lw r8, [r28, TI_PRE_COUNT] cmpz.c r8 - bne r8, restore_all + bne restore_all need_resched: lw r8, [r28, TI_FLAGS] andri.c r9, r8, _TIF_NEED_RESCHED @@ -415,7 +415,7 @@ ENTRY(handle_sys) sw r9, [r0, PT_EPC] cmpi.c r27, __NR_syscalls # check syscall number - bgeu illegal_syscall + bcs illegal_syscall slli r8, r27, 2 # get syscall routine la r11, sys_call_table diff --git a/arch/score/kernel/process.c b/arch/score/kernel/process.c index f4c6d02..a1519ad3 100644 --- a/arch/score/kernel/process.c +++ b/arch/score/kernel/process.c @@ -78,8 +78,8 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, p->thread.reg0 = (unsigned long) childregs; if (unlikely(p->flags & PF_KTHREAD)) { memset(childregs, 0, sizeof(struct pt_regs)); - p->thread->reg12 = usp; - p->thread->reg13 = arg; + p->thread.reg12 = usp; + p->thread.reg13 = arg; p->thread.reg3 = (unsigned long) ret_from_kernel_thread; } else { *childregs = *current_pt_regs(); diff --git a/arch/sparc/kernel/ds.c b/arch/sparc/kernel/ds.c index 62d6b15..4d9ac84 100644 --- a/arch/sparc/kernel/ds.c +++ b/arch/sparc/kernel/ds.c @@ -851,7 +851,7 @@ void ldom_reboot(const char *boot_command) strcpy(full_boot_str, "boot "); strlcpy(full_boot_str + strlen("boot "), boot_command, - sizeof(full_boot_str + strlen("boot "))); + sizeof(full_boot_str)); len = strlen(full_boot_str); if (reboot_data_supported) { diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h index 6aef9fb..b913915 100644 --- a/arch/x86/include/asm/xen/page.h +++ b/arch/x86/include/asm/xen/page.h @@ -79,30 +79,38 @@ static inline int phys_to_machine_mapping_valid(unsigned long pfn) return get_phys_to_machine(pfn) != INVALID_P2M_ENTRY; } -static inline unsigned long mfn_to_pfn(unsigned long mfn) +static inline unsigned long mfn_to_pfn_no_overrides(unsigned long mfn) { unsigned long pfn; - int ret = 0; + int ret; if (xen_feature(XENFEAT_auto_translated_physmap)) return mfn; - if (unlikely(mfn >= machine_to_phys_nr)) { - pfn = ~0; - goto try_override; - } - pfn = 0; + if (unlikely(mfn >= machine_to_phys_nr)) + return ~0; + /* * The array access can fail (e.g., device space beyond end of RAM). * In such cases it doesn't matter what we return (we return garbage), * but we must handle the fault without crashing! */ ret = __get_user(pfn, &machine_to_phys_mapping[mfn]); -try_override: - /* ret might be < 0 if there are no entries in the m2p for mfn */ if (ret < 0) - pfn = ~0; - else if (get_phys_to_machine(pfn) != mfn) + return ~0; + + return pfn; +} + +static inline unsigned long mfn_to_pfn(unsigned long mfn) +{ + unsigned long pfn; + + if (xen_feature(XENFEAT_auto_translated_physmap)) + return mfn; + + pfn = mfn_to_pfn_no_overrides(mfn); + if (get_phys_to_machine(pfn) != mfn) { /* * If this appears to be a foreign mfn (because the pfn * doesn't map back to the mfn), then check the local override @@ -111,6 +119,7 @@ try_override: * m2p_find_override_pfn returns ~0 if it doesn't find anything. */ pfn = m2p_find_override_pfn(mfn, ~0); + } /* * pfn is ~0 if there are no entries in the m2p for mfn or if the diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 8355c84..897783b 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -1506,7 +1506,7 @@ static int __init init_hw_perf_events(void) err = amd_pmu_init(); break; default: - return 0; + err = -ENOTSUPP; } if (err != 0) { pr_cont("no PMU driver, software events only.\n"); @@ -1883,9 +1883,9 @@ static struct pmu pmu = { void arch_perf_update_userpage(struct perf_event_mmap_page *userpg, u64 now) { - userpg->cap_usr_time = 0; - userpg->cap_usr_time_zero = 0; - userpg->cap_usr_rdpmc = x86_pmu.attr_rdpmc; + userpg->cap_user_time = 0; + userpg->cap_user_time_zero = 0; + userpg->cap_user_rdpmc = x86_pmu.attr_rdpmc; userpg->pmc_width = x86_pmu.cntval_bits; if (!boot_cpu_has(X86_FEATURE_CONSTANT_TSC)) @@ -1894,13 +1894,13 @@ void arch_perf_update_userpage(struct perf_event_mmap_page *userpg, u64 now) if (!boot_cpu_has(X86_FEATURE_NONSTOP_TSC)) return; - userpg->cap_usr_time = 1; + userpg->cap_user_time = 1; userpg->time_mult = this_cpu_read(cyc2ns); userpg->time_shift = CYC2NS_SCALE_FACTOR; userpg->time_offset = this_cpu_read(cyc2ns_offset) - now; if (sched_clock_stable && !check_tsc_disabled()) { - userpg->cap_usr_time_zero = 1; + userpg->cap_user_time_zero = 1; userpg->time_zero = this_cpu_read(cyc2ns_offset); } } diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index 9db76c3..f31a165 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -2325,6 +2325,7 @@ __init int intel_pmu_init(void) break; case 55: /* Atom 22nm "Silvermont" */ + case 77: /* Avoton "Silvermont" */ memcpy(hw_cache_event_ids, slm_hw_cache_event_ids, sizeof(hw_cache_event_ids)); memcpy(hw_cache_extra_regs, slm_hw_cache_extra_regs, diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c index 8ed4458..4118f9f 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c +++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c @@ -2706,14 +2706,14 @@ static void uncore_pmu_init_hrtimer(struct intel_uncore_box *box) box->hrtimer.function = uncore_pmu_hrtimer; } -struct intel_uncore_box *uncore_alloc_box(struct intel_uncore_type *type, int cpu) +static struct intel_uncore_box *uncore_alloc_box(struct intel_uncore_type *type, int node) { struct intel_uncore_box *box; int i, size; size = sizeof(*box) + type->num_shared_regs * sizeof(struct intel_uncore_extra_reg); - box = kzalloc_node(size, GFP_KERNEL, cpu_to_node(cpu)); + box = kzalloc_node(size, GFP_KERNEL, node); if (!box) return NULL; @@ -3031,7 +3031,7 @@ static int uncore_validate_group(struct intel_uncore_pmu *pmu, struct intel_uncore_box *fake_box; int ret = -EINVAL, n; - fake_box = uncore_alloc_box(pmu->type, smp_processor_id()); + fake_box = uncore_alloc_box(pmu->type, NUMA_NO_NODE); if (!fake_box) return -ENOMEM; @@ -3294,7 +3294,7 @@ static int uncore_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id } type = pci_uncores[UNCORE_PCI_DEV_TYPE(id->driver_data)]; - box = uncore_alloc_box(type, 0); + box = uncore_alloc_box(type, NUMA_NO_NODE); if (!box) return -ENOMEM; @@ -3499,7 +3499,7 @@ static int uncore_cpu_prepare(int cpu, int phys_id) if (pmu->func_id < 0) pmu->func_id = j; - box = uncore_alloc_box(type, cpu); + box = uncore_alloc_box(type, cpu_to_node(cpu)); if (!box) return -ENOMEM; diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c index 7123b5d..af99f71 100644 --- a/arch/x86/kernel/microcode_amd.c +++ b/arch/x86/kernel/microcode_amd.c @@ -216,6 +216,7 @@ int apply_microcode_amd(int cpu) /* need to apply patch? */ if (rev >= mc_amd->hdr.patch_id) { c->microcode = rev; + uci->cpu_sig.rev = rev; return 0; } diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index 563ed91..e643e74 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -352,12 +352,28 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = { }, { /* Handle problems with rebooting on the Precision M6600. */ .callback = set_pci_reboot, - .ident = "Dell OptiPlex 990", + .ident = "Dell Precision M6600", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Precision M6600"), }, }, + { /* Handle problems with rebooting on the Dell PowerEdge C6100. */ + .callback = set_pci_reboot, + .ident = "Dell PowerEdge C6100", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "C6100"), + }, + }, + { /* Some C6100 machines were shipped with vendor being 'Dell'. */ + .callback = set_pci_reboot, + .ident = "Dell PowerEdge C6100", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell"), + DMI_MATCH(DMI_PRODUCT_NAME, "C6100"), + }, + }, { } }; diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index a1216de..3b8e745 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -5345,7 +5345,9 @@ static int handle_ept_violation(struct kvm_vcpu *vcpu) * There are errata that may cause this bit to not be set: * AAK134, BY25. */ - if (exit_qualification & INTR_INFO_UNBLOCK_NMI) + if (!(to_vmx(vcpu)->idt_vectoring_info & VECTORING_INFO_VALID_MASK) && + cpu_has_virtual_nmis() && + (exit_qualification & INTR_INFO_UNBLOCK_NMI)) vmcs_set_bits(GUEST_INTERRUPTIBILITY_INFO, GUEST_INTR_STATE_NMI); gpa = vmcs_read64(GUEST_PHYSICAL_ADDRESS); diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index 90f6ed1..c7e22ab 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -912,10 +912,13 @@ void __init efi_enter_virtual_mode(void) for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) { md = p; - if (!(md->attribute & EFI_MEMORY_RUNTIME) && - md->type != EFI_BOOT_SERVICES_CODE && - md->type != EFI_BOOT_SERVICES_DATA) - continue; + if (!(md->attribute & EFI_MEMORY_RUNTIME)) { +#ifdef CONFIG_X86_64 + if (md->type != EFI_BOOT_SERVICES_CODE && + md->type != EFI_BOOT_SERVICES_DATA) +#endif + continue; + } size = md->num_pages << EFI_PAGE_SHIFT; end = md->phys_addr + size; diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c index 8b901e8..a61c7d5 100644 --- a/arch/x86/xen/p2m.c +++ b/arch/x86/xen/p2m.c @@ -879,7 +879,6 @@ int m2p_add_override(unsigned long mfn, struct page *page, unsigned long uninitialized_var(address); unsigned level; pte_t *ptep = NULL; - int ret = 0; pfn = page_to_pfn(page); if (!PageHighMem(page)) { @@ -926,8 +925,8 @@ int m2p_add_override(unsigned long mfn, struct page *page, * frontend pages while they are being shared with the backend, * because mfn_to_pfn (that ends up being called by GUPF) will * return the backend pfn rather than the frontend pfn. */ - ret = __get_user(pfn, &machine_to_phys_mapping[mfn]); - if (ret == 0 && get_phys_to_machine(pfn) == mfn) + pfn = mfn_to_pfn_no_overrides(mfn); + if (get_phys_to_machine(pfn) == mfn) set_phys_to_machine(pfn, FOREIGN_FRAME(mfn)); return 0; @@ -942,7 +941,6 @@ int m2p_remove_override(struct page *page, unsigned long uninitialized_var(address); unsigned level; pte_t *ptep = NULL; - int ret = 0; pfn = page_to_pfn(page); mfn = get_phys_to_machine(pfn); @@ -1029,8 +1027,8 @@ int m2p_remove_override(struct page *page, * the original pfn causes mfn_to_pfn(mfn) to return the frontend * pfn again. */ mfn &= ~FOREIGN_FRAME_BIT; - ret = __get_user(pfn, &machine_to_phys_mapping[mfn]); - if (ret == 0 && get_phys_to_machine(pfn) == FOREIGN_FRAME(mfn) && + pfn = mfn_to_pfn_no_overrides(mfn); + if (get_phys_to_machine(pfn) == FOREIGN_FRAME(mfn) && m2p_find_override(mfn) == NULL) set_phys_to_machine(pfn, mfn); diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c index 253f63f..be6b860 100644 --- a/arch/x86/xen/spinlock.c +++ b/arch/x86/xen/spinlock.c @@ -259,6 +259,14 @@ void xen_uninit_lock_cpu(int cpu) } +/* + * Our init of PV spinlocks is split in two init functions due to us + * using paravirt patching and jump labels patching and having to do + * all of this before SMP code is invoked. + * + * The paravirt patching needs to be done _before_ the alternative asm code + * is started, otherwise we would not patch the core kernel code. + */ void __init xen_init_spinlocks(void) { @@ -267,12 +275,26 @@ void __init xen_init_spinlocks(void) return; } - static_key_slow_inc(¶virt_ticketlocks_enabled); - pv_lock_ops.lock_spinning = PV_CALLEE_SAVE(xen_lock_spinning); pv_lock_ops.unlock_kick = xen_unlock_kick; } +/* + * While the jump_label init code needs to happend _after_ the jump labels are + * enabled and before SMP is started. Hence we use pre-SMP initcall level + * init. We cannot do it in xen_init_spinlocks as that is done before + * jump labels are activated. + */ +static __init int xen_init_spinlocks_jump(void) +{ + if (!xen_pvspin) + return 0; + + static_key_slow_inc(¶virt_ticketlocks_enabled); + return 0; +} +early_initcall(xen_init_spinlocks_jump); + static __init int xen_parse_nopvspin(char *arg) { xen_pvspin = false; |
