diff options
| author | Daniel Lezcano <daniel.lezcano@linaro.org> | 2014-07-23 19:02:48 +0200 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2014-12-04 09:18:34 +0800 |
| commit | 5e036adf41923c9a42e0731ca07595709944558d (patch) | |
| tree | b5593f2ad31fd81cfa59791faff53a90e1f5af04 | |
| parent | 33f2f7daa7d07d9c9dc117e4ed7c995f5c0b7c7f (diff) | |
cpuidle: Remove time measurement in poll state
The time measurement is already done in the cpuidle framework in the
'cpuidle_enter_state' function.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
(cherry picked from commit dd38c9d35ba8e40011b36659cae2719aefd11904)
Signed-off-by: Alex Shi <alex.shi@linaro.org>
| -rw-r--r-- | drivers/cpuidle/driver.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c index 9634f20e392..e431d11abf8 100644 --- a/drivers/cpuidle/driver.c +++ b/drivers/cpuidle/driver.c @@ -182,10 +182,6 @@ static void __cpuidle_driver_init(struct cpuidle_driver *drv) static int poll_idle(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { - ktime_t t1, t2; - s64 diff; - - t1 = ktime_get(); local_irq_enable(); if (!current_set_polling_and_test()) { while (!need_resched()) @@ -193,13 +189,6 @@ static int poll_idle(struct cpuidle_device *dev, } current_clr_polling(); - t2 = ktime_get(); - diff = ktime_to_us(ktime_sub(t2, t1)); - if (diff > INT_MAX) - diff = INT_MAX; - - dev->last_residency = (int) diff; - return index; } |