diff options
Diffstat (limited to 'arch')
23 files changed, 196 insertions, 95 deletions
diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig index 8d2f2daba0c..e0a028161dd 100644 --- a/arch/arm/mach-omap1/Kconfig +++ b/arch/arm/mach-omap1/Kconfig @@ -9,6 +9,7 @@ config ARCH_OMAP730 depends on ARCH_OMAP1 bool "OMAP730 Based System" select CPU_ARM926T + select OMAP_MPU_TIMER select ARCH_OMAP_OTG config ARCH_OMAP850 @@ -22,6 +23,7 @@ config ARCH_OMAP15XX default y bool "OMAP15xx Based System" select CPU_ARM925T + select OMAP_MPU_TIMER config ARCH_OMAP16XX depends on ARCH_OMAP1 diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile index 6ee19504845..ba6009f2767 100644 --- a/arch/arm/mach-omap1/Makefile +++ b/arch/arm/mach-omap1/Makefile @@ -3,12 +3,11 @@ # # Common support -obj-y := io.o id.o sram.o irq.o mux.o flash.o serial.o devices.o dma.o +obj-y := io.o id.o sram.o time.o irq.o mux.o flash.o serial.o devices.o dma.o obj-y += clock.o clock_data.o opp_data.o obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o -obj-$(CONFIG_OMAP_MPU_TIMER) += time.o obj-$(CONFIG_OMAP_32K_TIMER) += timer32k.o # Power Management diff --git a/arch/arm/mach-omap1/time.c b/arch/arm/mach-omap1/time.c index ed7a61ff916..f83fc335c61 100644 --- a/arch/arm/mach-omap1/time.c +++ b/arch/arm/mach-omap1/time.c @@ -44,16 +44,21 @@ #include <linux/clocksource.h> #include <linux/clockchips.h> #include <linux/io.h> +#include <linux/sched.h> #include <asm/system.h> #include <mach/hardware.h> #include <asm/leds.h> #include <asm/irq.h> +#include <asm/sched_clock.h> + #include <asm/mach/irq.h> #include <asm/mach/time.h> #include <plat/common.h> +#ifdef CONFIG_OMAP_MPU_TIMER + #define OMAP_MPU_TIMER_BASE OMAP_MPU_TIMER1_BASE #define OMAP_MPU_TIMER_OFFSET 0x100 @@ -67,7 +72,7 @@ typedef struct { ((volatile omap_mpu_timer_regs_t*)OMAP1_IO_ADDRESS(OMAP_MPU_TIMER_BASE + \ (n)*OMAP_MPU_TIMER_OFFSET)) -static inline unsigned long omap_mpu_timer_read(int nr) +static inline unsigned long notrace omap_mpu_timer_read(int nr) { volatile omap_mpu_timer_regs_t* timer = omap_mpu_timer_base(nr); return timer->read_tim; @@ -212,6 +217,32 @@ static struct clocksource clocksource_mpu = { .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; +static DEFINE_CLOCK_DATA(cd); + +static inline unsigned long long notrace _omap_mpu_sched_clock(void) +{ + u32 cyc = mpu_read(&clocksource_mpu); + return cyc_to_sched_clock(&cd, cyc, (u32)~0); +} + +#ifndef CONFIG_OMAP_32K_TIMER +unsigned long long notrace sched_clock(void) +{ + return _omap_mpu_sched_clock(); +} +#else +static unsigned long long notrace omap_mpu_sched_clock(void) +{ + return _omap_mpu_sched_clock(); +} +#endif + +static void notrace mpu_update_sched_clock(void) +{ + u32 cyc = mpu_read(&clocksource_mpu); + update_sched_clock(&cd, cyc, (u32)~0); +} + static void __init omap_init_clocksource(unsigned long rate) { static char err[] __initdata = KERN_ERR @@ -219,17 +250,13 @@ static void __init omap_init_clocksource(unsigned long rate) setup_irq(INT_TIMER2, &omap_mpu_timer2_irq); omap_mpu_timer_start(1, ~0, 1); + init_sched_clock(&cd, mpu_update_sched_clock, 32, rate); if (clocksource_register_hz(&clocksource_mpu, rate)) printk(err, clocksource_mpu.name); } -/* - * --------------------------------------------------------------------------- - * Timer initialization - * --------------------------------------------------------------------------- - */ -static void __init omap_timer_init(void) +static void __init omap_mpu_timer_init(void) { struct clk *ck_ref = clk_get(NULL, "ck_ref"); unsigned long rate; @@ -246,6 +273,66 @@ static void __init omap_timer_init(void) omap_init_clocksource(rate); } +#else +static inline void omap_mpu_timer_init(void) +{ + pr_err("Bogus timer, should not happen\n"); +} +#endif /* CONFIG_OMAP_MPU_TIMER */ + +#if defined(CONFIG_OMAP_MPU_TIMER) && defined(CONFIG_OMAP_32K_TIMER) +static unsigned long long (*preferred_sched_clock)(void); + +unsigned long long notrace sched_clock(void) +{ + if (!preferred_sched_clock) + return 0; + + return preferred_sched_clock(); +} + +static inline void preferred_sched_clock_init(bool use_32k_sched_clock) +{ + if (use_32k_sched_clock) + preferred_sched_clock = omap_32k_sched_clock; + else + preferred_sched_clock = omap_mpu_sched_clock; +} +#else +static inline void preferred_sched_clock_init(bool use_32k_sched_clcok) +{ +} +#endif + +static inline int omap_32k_timer_usable(void) +{ + int res = false; + + if (cpu_is_omap730() || cpu_is_omap15xx()) + return res; + +#ifdef CONFIG_OMAP_32K_TIMER + res = omap_32k_timer_init(); +#endif + + return res; +} + +/* + * --------------------------------------------------------------------------- + * Timer initialization + * --------------------------------------------------------------------------- + */ +static void __init omap_timer_init(void) +{ + if (omap_32k_timer_usable()) { + preferred_sched_clock_init(1); + } else { + omap_mpu_timer_init(); + preferred_sched_clock_init(0); + } +} + struct sys_timer omap_timer = { .init = omap_timer_init, }; diff --git a/arch/arm/mach-omap1/timer32k.c b/arch/arm/mach-omap1/timer32k.c index 20cfbcc6c60..13d7b8f145b 100644 --- a/arch/arm/mach-omap1/timer32k.c +++ b/arch/arm/mach-omap1/timer32k.c @@ -52,10 +52,9 @@ #include <asm/irq.h> #include <asm/mach/irq.h> #include <asm/mach/time.h> +#include <plat/common.h> #include <plat/dmtimer.h> -struct sys_timer omap_timer; - /* * --------------------------------------------------------------------------- * 32KHz OS timer @@ -181,14 +180,14 @@ static __init void omap_init_32k_timer(void) * Timer initialization * --------------------------------------------------------------------------- */ -static void __init omap_timer_init(void) +bool __init omap_32k_timer_init(void) { + omap_init_clocksource_32k(); + #ifdef CONFIG_OMAP_DM_TIMER omap_dm_timer_init(); #endif omap_init_32k_timer(); -} -struct sys_timer omap_timer = { - .init = omap_timer_init, -}; + return true; +} diff --git a/arch/arm/mach-omap2/board-cm-t3517.c b/arch/arm/mach-omap2/board-cm-t3517.c index 5b0c77732df..8f9a64d650e 100644 --- a/arch/arm/mach-omap2/board-cm-t3517.c +++ b/arch/arm/mach-omap2/board-cm-t3517.c @@ -124,8 +124,9 @@ static inline void cm_t3517_init_hecc(void) {} #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE) #define RTC_IO_GPIO (153) #define RTC_WR_GPIO (154) -#define RTC_RD_GPIO (160) +#define RTC_RD_GPIO (53) #define RTC_CS_GPIO (163) +#define RTC_CS_EN_GPIO (160) struct v3020_platform_data cm_t3517_v3020_pdata = { .use_gpio = 1, @@ -145,6 +146,16 @@ static struct platform_device cm_t3517_rtc_device = { static void __init cm_t3517_init_rtc(void) { + int err; + + err = gpio_request(RTC_CS_EN_GPIO, "rtc cs en"); + if (err) { + pr_err("CM-T3517: rtc cs en gpio request failed: %d\n", err); + return; + } + + gpio_direction_output(RTC_CS_EN_GPIO, 1); + platform_device_register(&cm_t3517_rtc_device); } #else @@ -214,12 +225,12 @@ static struct mtd_partition cm_t3517_nand_partitions[] = { }, { .name = "linux", - .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */ + .offset = MTDPART_OFS_APPEND, /* Offset = 0x2A0000 */ .size = 32 * NAND_BLOCK_SIZE, }, { .name = "rootfs", - .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */ + .offset = MTDPART_OFS_APPEND, /* Offset = 0x6A0000 */ .size = MTDPART_SIZ_FULL, }, }; @@ -256,11 +267,19 @@ static void __init cm_t3517_init_irq(void) static struct omap_board_mux board_mux[] __initdata = { /* GPIO186 - Green LED */ OMAP3_MUX(SYS_CLKOUT2, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), - /* RTC GPIOs: IO, WR#, RD#, CS# */ + + /* RTC GPIOs: */ + /* IO - GPIO153 */ OMAP3_MUX(MCBSP4_DR, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), + /* WR# - GPIO154 */ OMAP3_MUX(MCBSP4_DX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), - OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), + /* RD# - GPIO53 */ + OMAP3_MUX(GPMC_NCS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), + /* CS# - GPIO163 */ OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), + /* CS EN - GPIO160 */ + OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), + /* HSUSB1 RESET */ OMAP3_MUX(UART2_TX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), /* HSUSB2 RESET */ diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c index 00bb1fc5e01..e906e05bb41 100644 --- a/arch/arm/mach-omap2/board-devkit8000.c +++ b/arch/arm/mach-omap2/board-devkit8000.c @@ -275,8 +275,7 @@ static struct twl4030_gpio_platform_data devkit8000_gpio_data = { .irq_base = TWL4030_GPIO_IRQ_BASE, .irq_end = TWL4030_GPIO_IRQ_END, .use_leds = true, - .pullups = BIT(1), - .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13) + .pulldowns = BIT(1) | BIT(2) | BIT(6) | BIT(8) | BIT(13) | BIT(15) | BIT(16) | BIT(17), .setup = devkit8000_twl_gpio_setup, }; diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c index e8cb32fd7f1..de9ec8ddd2a 100644 --- a/arch/arm/mach-omap2/clock44xx_data.c +++ b/arch/arm/mach-omap2/clock44xx_data.c @@ -34,7 +34,6 @@ #include "cm2_44xx.h" #include "cm-regbits-44xx.h" #include "prm44xx.h" -#include "prm44xx.h" #include "prm-regbits-44xx.h" #include "control.h" #include "scrm44xx.h" diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c index e20b98636ab..58e42f76603 100644 --- a/arch/arm/mach-omap2/clockdomain.c +++ b/arch/arm/mach-omap2/clockdomain.c @@ -423,6 +423,12 @@ int clkdm_add_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2) { struct clkdm_dep *cd; + if (!cpu_is_omap24xx() && !cpu_is_omap34xx()) { + pr_err("clockdomain: %s/%s: %s: not yet implemented\n", + clkdm1->name, clkdm2->name, __func__); + return -EINVAL; + } + if (!clkdm1 || !clkdm2) return -EINVAL; @@ -458,6 +464,12 @@ int clkdm_del_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2) { struct clkdm_dep *cd; + if (!cpu_is_omap24xx() && !cpu_is_omap34xx()) { + pr_err("clockdomain: %s/%s: %s: not yet implemented\n", + clkdm1->name, clkdm2->name, __func__); + return -EINVAL; + } + if (!clkdm1 || !clkdm2) return -EINVAL; @@ -500,6 +512,12 @@ int clkdm_read_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2) if (!clkdm1 || !clkdm2) return -EINVAL; + if (!cpu_is_omap24xx() && !cpu_is_omap34xx()) { + pr_err("clockdomain: %s/%s: %s: not yet implemented\n", + clkdm1->name, clkdm2->name, __func__); + return -EINVAL; + } + cd = _clkdm_deps_lookup(clkdm2, clkdm1->wkdep_srcs); if (IS_ERR(cd)) { pr_debug("clockdomain: hardware cannot set/clear wake up of " @@ -527,6 +545,12 @@ int clkdm_clear_all_wkdeps(struct clockdomain *clkdm) struct clkdm_dep *cd; u32 mask = 0; + if (!cpu_is_omap24xx() && !cpu_is_omap34xx()) { + pr_err("clockdomain: %s: %s: not yet implemented\n", + clkdm->name, __func__); + return -EINVAL; + } + if (!clkdm) return -EINVAL; @@ -830,8 +854,7 @@ void omap2_clkdm_allow_idle(struct clockdomain *clkdm) * dependency code and data for OMAP4. */ if (cpu_is_omap44xx()) { - WARN_ONCE(1, "clockdomain: OMAP4 wakeup/sleep dependency " - "support is not yet implemented\n"); + pr_err("clockdomain: %s: OMAP4 wakeup/sleep dependency support: not yet implemented\n", clkdm->name); } else { if (atomic_read(&clkdm->usecount) > 0) _clkdm_add_autodeps(clkdm); @@ -872,8 +895,7 @@ void omap2_clkdm_deny_idle(struct clockdomain *clkdm) * dependency code and data for OMAP4. */ if (cpu_is_omap44xx()) { - WARN_ONCE(1, "clockdomain: OMAP4 wakeup/sleep dependency " - "support is not yet implemented\n"); + pr_err("clockdomain: %s: OMAP4 wakeup/sleep dependency support: not yet implemented\n", clkdm->name); } else { if (atomic_read(&clkdm->usecount) > 0) _clkdm_del_autodeps(clkdm); diff --git a/arch/arm/mach-omap2/clockdomains44xx_data.c b/arch/arm/mach-omap2/clockdomains44xx_data.c index 51920fc7fc5..10622c914ab 100644 --- a/arch/arm/mach-omap2/clockdomains44xx_data.c +++ b/arch/arm/mach-omap2/clockdomains44xx_data.c @@ -30,8 +30,6 @@ #include "cm1_44xx.h" #include "cm2_44xx.h" -#include "cm1_44xx.h" -#include "cm2_44xx.h" #include "cm-regbits-44xx.h" #include "prm44xx.h" #include "prcm44xx.h" diff --git a/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c b/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c index d5233890370..cf600e22bf8 100644 --- a/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c +++ b/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c @@ -19,7 +19,6 @@ #include <plat/prcm.h> #include "powerdomain.h" -#include "prm-regbits-34xx.h" #include "prm.h" #include "prm-regbits-24xx.h" #include "prm-regbits-34xx.h" diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c index 4e48e786bec..7b7c2683ae7 100644 --- a/arch/arm/mach-omap2/timer-gp.c +++ b/arch/arm/mach-omap2/timer-gp.c @@ -42,6 +42,8 @@ #include "timer-gp.h" +#include <plat/common.h> + /* MAX_GPTIMER_ID: number of GPTIMERs on the chip */ #define MAX_GPTIMER_ID 12 @@ -176,10 +178,14 @@ static void __init omap2_gp_clockevent_init(void) /* * When 32k-timer is enabled, don't use GPTimer for clocksource * instead, just leave default clocksource which uses the 32k - * sync counter. See clocksource setup in see plat-omap/common.c. + * sync counter. See clocksource setup in plat-omap/counter_32k.c */ -static inline void __init omap2_gp_clocksource_init(void) {} +static void __init omap2_gp_clocksource_init(void) +{ + omap_init_clocksource_32k(); +} + #else /* * clocksource diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index 18fe3cb195d..b6333ae3f92 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -144,12 +144,9 @@ config OMAP_IOMMU_DEBUG config OMAP_IOMMU_IVA2 bool -choice - prompt "System timer" - default OMAP_32K_TIMER if !ARCH_OMAP15XX - config OMAP_MPU_TIMER bool "Use mpu timer" + depends on ARCH_OMAP1 help Select this option if you want to use the OMAP mpu timer. This timer provides more intra-tick resolution than the 32KHz timer, @@ -158,6 +155,7 @@ config OMAP_MPU_TIMER config OMAP_32K_TIMER bool "Use 32KHz timer" depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS + default y if (ARCH_OMAP16XX || ARCH_OMAP2PLUS) help Select this option if you want to enable the OMAP 32KHz timer. This timer saves power compared to the OMAP_MPU_TIMER, and has @@ -165,8 +163,6 @@ config OMAP_32K_TIMER intra-tick resolution than OMAP_MPU_TIMER. The 32KHz timer is currently only available for OMAP16XX, 24XX, 34XX and OMAP4. -endchoice - config OMAP3_L2_AUX_SECURE_SAVE_RESTORE bool "OMAP3 HS/EMU save and restore for L2 AUX control register" depends on ARCH_OMAP3 && PM diff --git a/arch/arm/plat-omap/counter_32k.c b/arch/arm/plat-omap/counter_32k.c index ea4644021fb..862dda95d61 100644 --- a/arch/arm/plat-omap/counter_32k.c +++ b/arch/arm/plat-omap/counter_32k.c @@ -36,8 +36,6 @@ #define OMAP16XX_TIMER_32K_SYNCHRONIZED 0xfffbc410 -#if !(defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP15XX)) - #include <linux/clocksource.h> /* @@ -122,12 +120,24 @@ static DEFINE_CLOCK_DATA(cd); #define SC_MULT 4000000000u #define SC_SHIFT 17 -unsigned long long notrace sched_clock(void) +static inline unsigned long long notrace _omap_32k_sched_clock(void) { u32 cyc = clocksource_32k.read(&clocksource_32k); return cyc_to_fixed_sched_clock(&cd, cyc, (u32)~0, SC_MULT, SC_SHIFT); } +#ifndef CONFIG_OMAP_MPU_TIMER +unsigned long long notrace sched_clock(void) +{ + return _omap_32k_sched_clock(); +} +#else +unsigned long long notrace omap_32k_sched_clock(void) +{ + return _omap_32k_sched_clock(); +} +#endif + static void notrace omap_update_sched_clock(void) { u32 cyc = clocksource_32k.read(&clocksource_32k); @@ -160,7 +170,7 @@ void read_persistent_clock(struct timespec *ts) *ts = *tsp; } -static int __init omap_init_clocksource_32k(void) +int __init omap_init_clocksource_32k(void) { static char err[] __initdata = KERN_ERR "%s: can't register clocksource!\n"; @@ -195,7 +205,3 @@ static int __init omap_init_clocksource_32k(void) } return 0; } -arch_initcall(omap_init_clocksource_32k); - -#endif /* !(defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP15XX)) */ - diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index c4b2b478b1a..85363084cc1 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -53,7 +53,7 @@ enum { DMA_CHAIN_STARTED, DMA_CHAIN_NOTSTARTED }; #endif #define OMAP_DMA_ACTIVE 0x01 -#define OMAP2_DMA_CSR_CLEAR_MASK 0xffe +#define OMAP2_DMA_CSR_CLEAR_MASK 0xffffffff #define OMAP_FUNC_MUX_ARM_BASE (0xfffe1000 + 0xec) @@ -1873,7 +1873,7 @@ static int omap2_dma_handle_ch(int ch) printk(KERN_INFO "DMA misaligned error with device %d\n", dma_chan[ch].dev_id); - p->dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR, ch); + p->dma_write(status, CSR, ch); p->dma_write(1 << ch, IRQSTATUS_L0, ch); /* read back the register to flush the write */ p->dma_read(IRQSTATUS_L0, ch); @@ -1893,10 +1893,9 @@ static int omap2_dma_handle_ch(int ch) OMAP_DMA_CHAIN_INCQHEAD(chain_id); status = p->dma_read(CSR, ch); + p->dma_write(status, CSR, ch); } - p->dma_write(status, CSR, ch); - if (likely(dma_chan[ch].callback != NULL)) dma_chan[ch].callback(ch, status, dma_chan[ch].data); diff --git a/arch/arm/plat-omap/include/plat/common.h b/arch/arm/plat-omap/include/plat/common.h index 6b8088ec74a..29b2afb4288 100644 --- a/arch/arm/plat-omap/include/plat/common.h +++ b/arch/arm/plat-omap/include/plat/common.h @@ -35,6 +35,9 @@ struct sys_timer; extern void omap_map_common_io(void); extern struct sys_timer omap_timer; +extern bool omap_32k_timer_init(void); +extern int __init omap_init_clocksource_32k(void); +extern unsigned long long notrace omap_32k_sched_clock(void); extern void omap_reserve(void); diff --git a/arch/powerpc/kernel/perf_event_fsl_emb.c b/arch/powerpc/kernel/perf_event_fsl_emb.c index 4dcf5f831e9..b0dc8f7069c 100644 --- a/arch/powerpc/kernel/perf_event_fsl_emb.c +++ b/arch/powerpc/kernel/perf_event_fsl_emb.c @@ -596,6 +596,7 @@ static void record_and_restart(struct perf_event *event, unsigned long val, if (left <= 0) left = period; record = 1; + event->hw.last_period = event->hw.sample_period; } if (left < 0x80000000LL) val = 0x80000000LL - left; diff --git a/arch/x86/include/asm/cacheflush.h b/arch/x86/include/asm/cacheflush.h index 63e35ec9075..62f084478f7 100644 --- a/arch/x86/include/asm/cacheflush.h +++ b/arch/x86/include/asm/cacheflush.h @@ -1,48 +1,8 @@ #ifndef _ASM_X86_CACHEFLUSH_H #define _ASM_X86_CACHEFLUSH_H -/* Keep includes the same across arches. */ -#include <linux/mm.h> - /* Caches aren't brain-dead on the intel. */ -static inline void flush_cache_all(void) { } -static inline void flush_cache_mm(struct mm_struct *mm) { } -static inline void flush_cache_dup_mm(struct mm_struct *mm) { } -static inline void flush_cache_range(struct vm_area_struct *vma, - unsigned long start, unsigned long end) { } -static inline void flush_cache_page(struct vm_area_struct *vma, - unsigned long vmaddr, unsigned long pfn) { } -#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 -static inline void flush_dcache_page(struct page *page) { } -static inline void flush_dcache_mmap_lock(struct address_space *mapping) { } -static inline void flush_dcache_mmap_unlock(struct address_space *mapping) { } -static inline void flush_icache_range(unsigned long start, - unsigned long end) { } -static inline void flush_icache_page(struct vm_area_struct *vma, - struct page *page) { } -static inline void flush_icache_user_range(struct vm_area_struct *vma, - struct page *page, - unsigned long addr, - unsigned long len) { } -static inline void flush_cache_vmap(unsigned long start, unsigned long end) { } -static inline void flush_cache_vunmap(unsigned long start, - unsigned long end) { } - -static inline void copy_to_user_page(struct vm_area_struct *vma, - struct page *page, unsigned long vaddr, - void *dst, const void *src, - unsigned long len) -{ - memcpy(dst, src, len); -} - -static inline void copy_from_user_page(struct vm_area_struct *vma, - struct page *page, unsigned long vaddr, - void *dst, const void *src, - unsigned long len) -{ - memcpy(dst, src, len); -} +#include <asm-generic/cacheflush.h> #ifdef CONFIG_X86_PAT /* diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h index 4fab24de26b..6e6e7558e70 100644 --- a/arch/x86/include/asm/cpu.h +++ b/arch/x86/include/asm/cpu.h @@ -32,5 +32,6 @@ extern void arch_unregister_cpu(int); DECLARE_PER_CPU(int, cpu_state); +int __cpuinit mwait_usable(const struct cpuinfo_x86 *); #endif /* _ASM_X86_CPU_H */ diff --git a/arch/x86/include/asm/jump_label.h b/arch/x86/include/asm/jump_label.h index f52d42e8058..574dbc22893 100644 --- a/arch/x86/include/asm/jump_label.h +++ b/arch/x86/include/asm/jump_label.h @@ -14,7 +14,7 @@ do { \ asm goto("1:" \ JUMP_LABEL_INITIAL_NOP \ - ".pushsection __jump_table, \"a\" \n\t"\ + ".pushsection __jump_table, \"aw\" \n\t"\ _ASM_PTR "1b, %l[" #label "], %c0 \n\t" \ ".popsection \n\t" \ : : "i" (key) : : label); \ diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c index 7283e98deaa..ec2c19a7b8e 100644 --- a/arch/x86/kernel/cpu/intel_cacheinfo.c +++ b/arch/x86/kernel/cpu/intel_cacheinfo.c @@ -45,6 +45,7 @@ static const struct _cache_table __cpuinitconst cache_table[] = { 0x0a, LVL_1_DATA, 8 }, /* 2 way set assoc, 32 byte line size */ { 0x0c, LVL_1_DATA, 16 }, /* 4-way set assoc, 32 byte line size */ { 0x0d, LVL_1_DATA, 16 }, /* 4-way set assoc, 64 byte line size */ + { 0x0e, LVL_1_DATA, 24 }, /* 6-way set assoc, 64 byte line size */ { 0x21, LVL_2, 256 }, /* 8-way set assoc, 64 byte line size */ { 0x22, LVL_3, 512 }, /* 4-way set assoc, sectored cache, 64 byte line size */ { 0x23, LVL_3, MB(1) }, /* 8-way set assoc, sectored cache, 64 byte line size */ @@ -66,6 +67,7 @@ static const struct _cache_table __cpuinitconst cache_table[] = { 0x45, LVL_2, MB(2) }, /* 4-way set assoc, 32 byte line size */ { 0x46, LVL_3, MB(4) }, /* 4-way set assoc, 64 byte line size */ { 0x47, LVL_3, MB(8) }, /* 8-way set assoc, 64 byte line size */ + { 0x48, LVL_2, MB(3) }, /* 12-way set assoc, 64 byte line size */ { 0x49, LVL_3, MB(4) }, /* 16-way set assoc, 64 byte line size */ { 0x4a, LVL_3, MB(6) }, /* 12-way set assoc, 64 byte line size */ { 0x4b, LVL_3, MB(8) }, /* 16-way set assoc, 64 byte line size */ @@ -87,6 +89,7 @@ static const struct _cache_table __cpuinitconst cache_table[] = { 0x7c, LVL_2, MB(1) }, /* 8-way set assoc, sectored cache, 64 byte line size */ { 0x7d, LVL_2, MB(2) }, /* 8-way set assoc, 64 byte line size */ { 0x7f, LVL_2, 512 }, /* 2-way set assoc, 64 byte line size */ + { 0x80, LVL_2, 512 }, /* 8-way set assoc, 64 byte line size */ { 0x82, LVL_2, 256 }, /* 8-way set assoc, 32 byte line size */ { 0x83, LVL_2, 512 }, /* 8-way set assoc, 32 byte line size */ { 0x84, LVL_2, MB(1) }, /* 8-way set assoc, 32 byte line size */ diff --git a/arch/x86/kernel/cpu/mcheck/therm_throt.c b/arch/x86/kernel/cpu/mcheck/therm_throt.c index e12246ff5aa..6f8c5e9da97 100644 --- a/arch/x86/kernel/cpu/mcheck/therm_throt.c +++ b/arch/x86/kernel/cpu/mcheck/therm_throt.c @@ -59,6 +59,7 @@ struct thermal_state { /* Callback to handle core threshold interrupts */ int (*platform_thermal_notify)(__u64 msr_val); +EXPORT_SYMBOL(platform_thermal_notify); static DEFINE_PER_CPU(struct thermal_state, thermal_state); diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index d8286ed54ff..e764fc05d70 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -14,6 +14,7 @@ #include <linux/utsname.h> #include <trace/events/power.h> #include <linux/hw_breakpoint.h> +#include <asm/cpu.h> #include <asm/system.h> #include <asm/apic.h> #include <asm/syscalls.h> @@ -505,7 +506,7 @@ static void poll_idle(void) #define MWAIT_ECX_EXTENDED_INFO 0x01 #define MWAIT_EDX_C1 0xf0 -static int __cpuinit mwait_usable(const struct cpuinfo_x86 *c) +int __cpuinit mwait_usable(const struct cpuinfo_x86 *c) { u32 eax, ebx, ecx, edx; diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 763df77343d..0cbe8c0b35e 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -1402,8 +1402,9 @@ static inline void mwait_play_dead(void) unsigned int highest_subcstate = 0; int i; void *mwait_ptr; + struct cpuinfo_x86 *c = __this_cpu_ptr(&cpu_info); - if (!cpu_has(__this_cpu_ptr(&cpu_info), X86_FEATURE_MWAIT)) + if (!(cpu_has(c, X86_FEATURE_MWAIT) && mwait_usable(c))) return; if (!cpu_has(__this_cpu_ptr(&cpu_info), X86_FEATURE_CLFLSH)) return; |