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Commit cf22854c authored by Tero Kristo's avatar Tero Kristo Committed by Kevin Hilman
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OMAP3: PM: Added resched check into idle calls 



Fixes a bug where scheduling is delayed until next wakeup due to race
condition (e.g. interrupt requests scheduling just before omap_sram_idle
is entered.)

Signed-off-by: default avatarTero Kristo <tero.kristo@nokia.com>
Signed-off-by: default avatarKevin Hilman <khilman@deeprootsystems.com>
parent da869621

arch/arm/mach-omap2/cpuidle34xx.c

+2 −1
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ 
 * published by the Free Software Foundation.

 */



#include <linux/sched.h>

#include <linux/cpuidle.h>



#include <plat/prcm.h>
@@ -113,7 +114,7 @@ static int omap3_enter_idle(struct cpuidle_device *dev, 
	pwrdm_set_next_pwrst(mpu_pd, mpu_state);

	pwrdm_set_next_pwrst(core_pd, core_state);



	if (omap_irq_pending())

	if (omap_irq_pending() || need_resched())

		goto return_sleep_time;



	if (cx->type == OMAP3_STATE_C1) {

arch/arm/mach-omap2/pm34xx.c

+1 −1
Original line number Diff line number Diff line
@@ -523,7 +523,7 @@ static void omap3_pm_idle(void) 
	if (!omap3_can_sleep())

		goto out;



	if (omap_irq_pending())

	if (omap_irq_pending() || need_resched())

		goto out;



	omap_sram_idle();