diff options
| author | Mel Gorman <mgorman@suse.de> | 2014-08-06 15:19:19 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-08-06 21:17:44 +0200 |
| commit | 107d4f4601a1408d04a5b54ffba507c92c235f58 (patch) | |
| tree | 55a7d8cdeb5b530664dd6616414ad97236739025 /drivers/cpuidle/governors | |
| parent | cpuidle: menu: Use shifts when calculating averages where possible (diff) | |
| download | linux-107d4f4601a1408d04a5b54ffba507c92c235f58.tar.xz linux-107d4f4601a1408d04a5b54ffba507c92c235f58.zip | |
cpuidle: menu: Use ktime_to_us instead of reinventing the wheel
The ktime_to_us implementation is slightly better than the one implemented
in menu.c. Use it
Signed-off-by: Mel Gorman <mgorman@suse.de>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpuidle/governors')
| -rw-r--r-- | drivers/cpuidle/governors/menu.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c index c36e1ea7ef08..ba6df6044fff 100644 --- a/drivers/cpuidle/governors/menu.c +++ b/drivers/cpuidle/governors/menu.c @@ -296,7 +296,6 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) int latency_req = pm_qos_request(PM_QOS_CPU_DMA_LATENCY); int i; unsigned int interactivity_req; - struct timespec t; if (data->needs_update) { menu_update(drv, dev); @@ -310,9 +309,7 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) return 0; /* determine the expected residency time, round up */ - t = ktime_to_timespec(tick_nohz_get_sleep_length()); - data->next_timer_us = - t.tv_sec * USEC_PER_SEC + t.tv_nsec / NSEC_PER_USEC; + data->next_timer_us = ktime_to_us(tick_nohz_get_sleep_length()); data->bucket = which_bucket(data->next_timer_us); |