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: Tero Kristo <tero.kristo@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 4e87b61..81ed252 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -523,7 +523,7 @@
 	if (!omap3_can_sleep())
 		goto out;
 
-	if (omap_irq_pending())
+	if (omap_irq_pending() || need_resched())
 		goto out;
 
 	omap_sram_idle();