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Diffstat (limited to 'arch/arm/mach-omap2/cpuidle44xx.c')
-rw-r--r--arch/arm/mach-omap2/cpuidle44xx.c26
1 files changed, 17 insertions, 9 deletions
diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c
index fe75d4fa6073..6f5f89711f25 100644
--- a/arch/arm/mach-omap2/cpuidle44xx.c
+++ b/arch/arm/mach-omap2/cpuidle44xx.c
@@ -122,6 +122,7 @@ static int omap_enter_idle_coupled(struct cpuidle_device *dev,
{
struct idle_statedata *cx = state_ptr + index;
u32 mpuss_can_lose_context = 0;
+ int error;
/*
* CPU0 has to wait and stay ON until CPU1 is OFF state.
@@ -159,7 +160,9 @@ static int omap_enter_idle_coupled(struct cpuidle_device *dev,
* Call idle CPU PM enter notifier chain so that
* VFP and per CPU interrupt context is saved.
*/
- cpu_pm_enter();
+ error = cpu_pm_enter();
+ if (error)
+ goto cpu_pm_out;
if (dev->cpu == 0) {
pwrdm_set_logic_retst(mpu_pd, cx->mpu_logic_state);
@@ -169,13 +172,17 @@ static int omap_enter_idle_coupled(struct cpuidle_device *dev,
* Call idle CPU cluster PM enter notifier chain
* to save GIC and wakeupgen context.
*/
- if (mpuss_can_lose_context)
- cpu_cluster_pm_enter();
+ if (mpuss_can_lose_context) {
+ error = cpu_cluster_pm_enter();
+ if (error)
+ goto cpu_cluster_pm_out;
+ }
}
omap4_enter_lowpower(dev->cpu, cx->cpu_state);
cpu_done[dev->cpu] = true;
+cpu_cluster_pm_out:
/* Wakeup CPU1 only if it is not offlined */
if (dev->cpu == 0 && cpumask_test_cpu(1, cpu_online_mask)) {
@@ -198,18 +205,19 @@ static int omap_enter_idle_coupled(struct cpuidle_device *dev,
}
/*
- * Call idle CPU PM exit notifier chain to restore
- * VFP and per CPU IRQ context.
- */
- cpu_pm_exit();
-
- /*
* Call idle CPU cluster PM exit notifier chain
* to restore GIC and wakeupgen context.
*/
if (dev->cpu == 0 && mpuss_can_lose_context)
cpu_cluster_pm_exit();
+ /*
+ * Call idle CPU PM exit notifier chain to restore
+ * VFP and per CPU IRQ context.
+ */
+ cpu_pm_exit();
+
+cpu_pm_out:
tick_broadcast_exit();
fail: