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| author | Daniel Lezcano <daniel.lezcano@linaro.org> | 2012-05-18 07:19:49 +0900 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2012-05-18 07:19:49 +0900 |
| commit | aba607d63c71ef9b185fc7cb9637ab70a2d88491 (patch) | |
| tree | bd843281a854f69c677cb9f8af010de7cd7578d8 /arch/arm/mach-s3c64xx/cpuidle.c | |
| parent | 4c8b20752893d58bc7b6489c0610951076b0fce8 (diff) | |
| download | linux-aba607d63c71ef9b185fc7cb9637ab70a2d88491.tar.gz linux-aba607d63c71ef9b185fc7cb9637ab70a2d88491.tar.bz2 linux-aba607d63c71ef9b185fc7cb9637ab70a2d88491.zip | |
ARM: S3C64XX: use timekeeping wrapper on cpuidle
The timekeeping is computed from the cpuidle core if we set
the .en_core_tk_irqen flag. Let's use it and remove the duplicated
code.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Tested-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-s3c64xx/cpuidle.c')
| -rw-r--r-- | arch/arm/mach-s3c64xx/cpuidle.c | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/arch/arm/mach-s3c64xx/cpuidle.c b/arch/arm/mach-s3c64xx/cpuidle.c index 2750e5412cee..acb197ccf3f7 100644 --- a/arch/arm/mach-s3c64xx/cpuidle.c +++ b/arch/arm/mach-s3c64xx/cpuidle.c @@ -27,12 +27,7 @@ static int s3c64xx_enter_idle(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { - struct timeval before, after; unsigned long tmp; - int idle_time; - - local_irq_disable(); - do_gettimeofday(&before); /* Setup PWRCFG to enter idle mode */ tmp = __raw_readl(S3C64XX_PWR_CFG); @@ -42,12 +37,6 @@ static int s3c64xx_enter_idle(struct cpuidle_device *dev, 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; } @@ -56,6 +45,7 @@ static DEFINE_PER_CPU(struct cpuidle_device, s3c64xx_cpuidle_device); static struct cpuidle_driver s3c64xx_cpuidle_driver = { .name = "s3c64xx_cpuidle", .owner = THIS_MODULE, + .en_core_tk_irqen = 1, .states = { { .enter = s3c64xx_enter_idle, |