cpuidle : handle clockevent notify from the cpuidle framework

[deliverable/linux.git] / drivers / cpuidle / cpuidle.c

diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index eba69290e0748b8fe5ee201bab4392916675c363..c50037029184b1e507690d133cd2ef87aa8c2c05 100644 (file)
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -8,6 +8,7 @@
  * This code is licenced under the GPL.
  */
 
+#include <linux/clockchips.h>
 #include <linux/kernel.h>
 #include <linux/mutex.h>
 #include <linux/sched.h>
@@ -146,12 +147,20 @@ int cpuidle_idle_call(void)
 
        trace_cpu_idle_rcuidle(next_state, dev->cpu);
 
+       if (drv->states[next_state].flags & CPUIDLE_FLAG_TIMER_STOP)
+               clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER,
+                                  &dev->cpu);
+
        if (cpuidle_state_is_coupled(dev, drv, next_state))
                entered_state = cpuidle_enter_state_coupled(dev, drv,
                                                            next_state);
        else
                entered_state = cpuidle_enter_state(dev, drv, next_state);
 
+       if (drv->states[next_state].flags & CPUIDLE_FLAG_TIMER_STOP)
+               clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT,
+                                  &dev->cpu);
+
        trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, dev->cpu);
 
        /* give the governor an opportunity to reflect on the outcome */