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| author | Daniel Lezcano <daniel.lezcano@linaro.org> | 2014-07-23 21:02:48 +0400 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-07-29 03:37:57 +0400 |
| commit | dd38c9d35ba8e40011b36659cae2719aefd11904 (patch) | |
| tree | 0ff503933e0a8b71dd850e19b30d6395e23abeb8 /drivers/cpuidle/driver.c | |
| parent | 3a4a267ee3d8f3f26ca76982a1e37fd8d783c1cd (diff) | |
| download | linux-dd38c9d35ba8e40011b36659cae2719aefd11904.tar.xz | |
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>
Diffstat (limited to 'drivers/cpuidle/driver.c')
| -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 9634f20e3926..e431d11abf8d 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; } |