Commit 0bc10b93 authored May 03, 2016 by Akshay Adiga Committed by Rafael J. Wysocki May 11, 2016

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>

parent 1fd3ff28

drivers/cpufreq/powernv-cpufreq.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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;