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Commit aba607d6 authored by Daniel Lezcano's avatar Daniel Lezcano Committed by Kukjin Kim
Browse files

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: default avatarDaniel Lezcano <daniel.lezcano@linaro.org>
Tested-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent 4c8b2075

arch/arm/mach-s3c64xx/cpuidle.c

+1 −11
Original line number Original line Diff line number Diff line
@@ -27,12 +27,7 @@ static int s3c64xx_enter_idle(struct cpuidle_device *dev, 
			      struct cpuidle_driver *drv,

			      struct cpuidle_driver *drv,

			      int index)

			      int index)

{

{

	struct timeval before, after;

	unsigned long tmp;

	unsigned long tmp;

	int idle_time;



	local_irq_disable();

	do_gettimeofday(&before);





	/* Setup PWRCFG to enter idle mode */

	/* Setup PWRCFG to enter idle mode */

	tmp = __raw_readl(S3C64XX_PWR_CFG);

	tmp = __raw_readl(S3C64XX_PWR_CFG);
@@ -42,12 +37,6 @@ static int s3c64xx_enter_idle(struct cpuidle_device *dev, 




	cpu_do_idle();

	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;

	return index;

}

}
@@ -56,6 +45,7 @@ static DEFINE_PER_CPU(struct cpuidle_device, s3c64xx_cpuidle_device); 
static struct cpuidle_driver s3c64xx_cpuidle_driver = {

static struct cpuidle_driver s3c64xx_cpuidle_driver = {

	.name	= "s3c64xx_cpuidle",

	.name	= "s3c64xx_cpuidle",

	.owner  = THIS_MODULE,

	.owner  = THIS_MODULE,

	.en_core_tk_irqen = 1,

	.states = {

	.states = {

		{

		{

			.enter            = s3c64xx_enter_idle,

			.enter            = s3c64xx_enter_idle,