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>
diff --git a/drivers/cpufreq/powernv-cpufreq.c b/drivers/cpufreq/powernv-cpufreq.c
index 1f0e20c..54c4536 100644
--- a/drivers/cpufreq/powernv-cpufreq.c
+++ b/drivers/cpufreq/powernv-cpufreq.c
@@ -647,6 +647,8 @@
*/
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;