From 1a93369810660905f5e89b527cd709fa6832f7c8 Mon Sep 17 00:00:00 2001 From: Lukasz Luba Date: Thu, 22 Apr 2021 16:36:23 +0100 Subject: 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 Signed-off-by: Daniel Lezcano 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 645432ce6365..1e5abf4822be 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); -- cgit v1.2.3