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

["thermal-bot for Lukasz Luba" <tip-bot2@linutronix.de>]

The following commit has been merged into the thermal/next branch of thermal:

Commit-ID:     1a93369810660905f5e89b527cd709fa6832f7c8
Gitweb:        https://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux.git//1a93369810660905f5e89b527cd709fa6832f7c8
Author:        Lukasz Luba <lukasz.luba@arm.com>
AuthorDate:    Thu, 22 Apr 2021 16:36:23 +01:00
Committer:     Daniel Lezcano <daniel.lezcano@linaro.org>
CommitterDate: Thu, 22 Apr 2021 23:51:32 +02:00

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
---
 drivers/thermal/gov_fair_share.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/thermal/gov_fair_share.c b/drivers/thermal/gov_fair_share.c
index 645432c..1e5abf4 100644
--- 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);