ARM: Call idle notifiers

Change-Id: Id833e61c13baa1783705ac9e9046d1f0cc90c95e
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 3c5eb26..3f7777e 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -245,6 +245,7 @@
 
 	/* endless idle loop with no priority at all */
 	while (1) {
+		idle_notifier_call_chain(IDLE_START);
 		tick_nohz_idle_enter();
 		rcu_idle_enter();
 		leds_event(led_idle_start);
@@ -281,6 +282,7 @@
 		leds_event(led_idle_end);
 		rcu_idle_exit();
 		tick_nohz_idle_exit();
+		idle_notifier_call_chain(IDLE_END);
 		schedule_preempt_disabled();
 	}
 }