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.lezc...@linaro.org>
---
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 2750e54..acb197c 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,
--
1.7.5.4
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