regulator: core: Use the power efficient workqueue for delayed powerdown

There is no need to use a normal per-CPU workqueue for delayed power downs
as they're not timing or performance critical and waking up a core for them
would defeat some of the point.

Signed-off-by: Mark Brown <broonie@linaro.org>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Liam Girdwood <liam.r.girdwood@intel.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 1510333bcf0d..f49c6615dc37 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1890,8 +1890,9 @@ int regulator_disable_deferred(struct regulator *regulator, int ms)
         rdev->deferred_disables++;
         mutex_unlock(&rdev->mutex);
 
-        ret = schedule_delayed_work(&rdev->disable_work,
-                                    msecs_to_jiffies(ms));
+        ret = queue_delayed_work(system_power_efficient_wq,
+                                 &rdev->disable_work,
+                                 msecs_to_jiffies(ms));
         if (ret < 0)
                 return ret;
         else