diff options
Diffstat (limited to 'arch/arm/mach-exynos/cpuidle.c')
-rw-r--r-- | arch/arm/mach-exynos/cpuidle.c | 55 |
1 files changed, 7 insertions, 48 deletions
diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-exynos/cpuidle.c index 33ab4e7558af..cff0595d0d35 100644 --- a/arch/arm/mach-exynos/cpuidle.c +++ b/arch/arm/mach-exynos/cpuidle.c @@ -20,6 +20,7 @@ #include <asm/smp_scu.h> #include <asm/suspend.h> #include <asm/unified.h> +#include <asm/cpuidle.h> #include <mach/regs-pmu.h> #include <mach/pmu.h> @@ -34,22 +35,12 @@ #define S5P_CHECK_AFTR 0xFCBA0D10 -static int exynos4_enter_idle(struct cpuidle_device *dev, - struct cpuidle_driver *drv, - int index); static int exynos4_enter_lowpower(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index); static struct cpuidle_state exynos4_cpuidle_set[] __initdata = { - [0] = { - .enter = exynos4_enter_idle, - .exit_latency = 1, - .target_residency = 100000, - .flags = CPUIDLE_FLAG_TIME_VALID, - .name = "C0", - .desc = "ARM clock gating(WFI)", - }, + [0] = ARM_CPUIDLE_WFI_STATE, [1] = { .enter = exynos4_enter_lowpower, .exit_latency = 300, @@ -63,8 +54,9 @@ static struct cpuidle_state exynos4_cpuidle_set[] __initdata = { static DEFINE_PER_CPU(struct cpuidle_device, exynos4_cpuidle_device); static struct cpuidle_driver exynos4_idle_driver = { - .name = "exynos4_idle", - .owner = THIS_MODULE, + .name = "exynos4_idle", + .owner = THIS_MODULE, + .en_core_tk_irqen = 1, }; /* Ext-GIC nIRQ/nFIQ is the only wakeup source in AFTR */ @@ -103,17 +95,12 @@ static int exynos4_enter_core0_aftr(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { - struct timeval before, after; - int idle_time; unsigned long tmp; - local_irq_disable(); - do_gettimeofday(&before); - exynos4_set_wakeupmask(); /* Set value of power down register for aftr mode */ - exynos4_sys_powerdown_conf(SYS_AFTR); + exynos_sys_powerdown_conf(SYS_AFTR); __raw_writel(virt_to_phys(s3c_cpu_resume), REG_DIRECTGO_ADDR); __raw_writel(S5P_CHECK_AFTR, REG_DIRECTGO_FLAG); @@ -150,34 +137,6 @@ static int exynos4_enter_core0_aftr(struct cpuidle_device *dev, /* Clear wakeup state register */ __raw_writel(0x0, S5P_WAKEUP_STAT); - do_gettimeofday(&after); - - local_irq_enable(); - idle_time = (after.tv_sec - before.tv_sec) * USEC_PER_SEC + - (after.tv_usec - before.tv_usec); - - dev->last_residency = idle_time; - return index; -} - -static int exynos4_enter_idle(struct cpuidle_device *dev, - struct cpuidle_driver *drv, - int index) -{ - struct timeval before, after; - int idle_time; - - local_irq_disable(); - do_gettimeofday(&before); - - cpu_do_idle(); - - do_gettimeofday(&after); - local_irq_enable(); - idle_time = (after.tv_sec - before.tv_sec) * USEC_PER_SEC + - (after.tv_usec - before.tv_usec); - - dev->last_residency = idle_time; return index; } @@ -192,7 +151,7 @@ static int exynos4_enter_lowpower(struct cpuidle_device *dev, new_index = drv->safe_state_index; if (new_index == 0) - return exynos4_enter_idle(dev, drv, new_index); + return arm_cpuidle_simple_enter(dev, drv, new_index); else return exynos4_enter_core0_aftr(dev, drv, new_index); } |