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| author | Akshay Adiga <akshay.adiga@linux.vnet.ibm.com> | 2016-05-03 18:19:36 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-05-11 03:28:00 +0300 |
| commit | 0bc10b93f2d9c6089ce968681ef9febecdc9b8e0 (patch) | |
| tree | 4622db802ca892474af6eeffc2bab9f8124fe044 /drivers/cpufreq/powernv-cpufreq.c | |
| parent | 1fd3ff2874f79c04354f3e80e583afbe6fa6eaa2 (diff) | |
| download | linux-0bc10b93f2d9c6089ce968681ef9febecdc9b8e0.tar.xz | |
cpufreq: powernv: del_timer_sync when global and local pstate are equal
When global and local pstate are equal in a powernv_target_index() call,
we don't queue a timer. But we may have timer already queued for future.
This could cause the timer to fire one additional time for no use.
Signed-off-by: Akshay Adiga <akshay.adiga@linux.vnet.ibm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq/powernv-cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/powernv-cpufreq.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/cpufreq/powernv-cpufreq.c b/drivers/cpufreq/powernv-cpufreq.c index 1f0e20ccc2ff..54c45368e3f1 100644 --- a/drivers/cpufreq/powernv-cpufreq.c +++ b/drivers/cpufreq/powernv-cpufreq.c @@ -647,6 +647,8 @@ static int powernv_cpufreq_target_index(struct cpufreq_policy *policy, */ if (gpstate_id != freq_data.pstate_id) queue_gpstate_timer(gpstates); + else + del_timer_sync(&gpstates->timer); gpstates_done: freq_data.gpstate_id = gpstate_id; |