thermal/core/fair share: Use the lockless __thermal_cdev_update() function

Use the new helper function and avoid unnecessery second lock/unlock,
which was present in old approach with thermal_cdev_update().

Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210422153624.6074-3-lukasz.luba@arm.com

diff --git a/drivers/thermal/gov_fair_share.c b/drivers/thermal/gov_fair_share.c
index 645432c..1e5abf4 100644 (file)
--- a/drivers/thermal/gov_fair_share.c
+++ b/drivers/thermal/gov_fair_share.c
@@ -107,10 +107,9 @@ static int fair_share_throttle(struct thermal_zone_device *tz, int trip)
                instance->target = get_target_state(tz, cdev, percentage,
                                                    cur_trip_level);
 
-               mutex_lock(&instance->cdev->lock);
-               instance->cdev->updated = false;
-               mutex_unlock(&instance->cdev->lock);
-               thermal_cdev_update(cdev);
+               mutex_lock(&cdev->lock);
+               __thermal_cdev_update(cdev);
+               mutex_unlock(&cdev->lock);
        }
 
        mutex_unlock(&tz->lock);