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authorDaniel Lezcano <daniel.lezcano@linaro.org>2022-08-05 18:38:33 +0300
committerDaniel Lezcano <daniel.lezcano@linaro.org>2022-08-17 15:09:39 +0300
commit670a5e356cb6dfc61b87b599eba483af6a3a99ad (patch)
tree5165d8ff45c1107d36c6cdcb5606cdf72aa82e8e /drivers/thermal/gov_step_wise.c
parent63561fe36b094729d3d4d274bafaa030b39e89f6 (diff)
downloadlinux-670a5e356cb6dfc61b87b599eba483af6a3a99ad.tar.xz
thermal/core: Move the thermal zone lock out of the governors
All the governors throttling ops are taking/releasing the lock at the beginning and the end of the function. We can move the mutex to the throttling call site instead. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20220805153834.2510142-4-daniel.lezcano@linaro.org
Diffstat (limited to 'drivers/thermal/gov_step_wise.c')
-rw-r--r--drivers/thermal/gov_step_wise.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/thermal/gov_step_wise.c b/drivers/thermal/gov_step_wise.c
index 597a0ebec7a4..cdd3354bc27f 100644
--- a/drivers/thermal/gov_step_wise.c
+++ b/drivers/thermal/gov_step_wise.c
@@ -160,15 +160,13 @@ static int step_wise_throttle(struct thermal_zone_device *tz, int trip)
{
struct thermal_instance *instance;
- mutex_lock(&tz->lock);
+ lockdep_assert_held(&tz->lock);
thermal_zone_trip_update(tz, trip);
list_for_each_entry(instance, &tz->thermal_instances, tz_node)
thermal_cdev_update(instance->cdev);
- mutex_unlock(&tz->lock);
-
return 0;
}