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path: root/drivers/cpuidle/cpuidle.c
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Diffstat (limited to 'drivers/cpuidle/cpuidle.c')
-rw-r--r--drivers/cpuidle/cpuidle.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 5ce07b517c5..5bed73329ef 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -16,6 +16,7 @@
#include <linux/cpu.h>
#include <linux/cpuidle.h>
#include <linux/ktime.h>
+#include <linux/hrtimer.h>
#include "cpuidle.h"
@@ -56,10 +57,20 @@ static void cpuidle_idle_call(void)
if (pm_idle_old)
pm_idle_old();
else
+#if defined(CONFIG_ARCH_HAS_DEFAULT_IDLE)
+ default_idle();
+#else
local_irq_enable();
+#endif
return;
}
+ /*
+ * run any timers that can be run now, at this point
+ * before calculating the idle duration etc.
+ */
+ hrtimer_peek_ahead_timers();
+
/* ask the governor for the next state */
next_state = cpuidle_curr_governor->select(dev);
if (need_resched())
@@ -67,8 +78,11 @@ static void cpuidle_idle_call(void)
target_state = &dev->states[next_state];
/* enter the state and update stats */
- dev->last_residency = target_state->enter(dev, target_state);
dev->last_state = target_state;
+ dev->last_residency = target_state->enter(dev, target_state);
+ if (dev->last_state)
+ target_state = dev->last_state;
+
target_state->time += (unsigned long long)dev->last_residency;
target_state->usage++;