diff options
| author | Daniel Lezcano <daniel.lezcano@linaro.org> | 2022-08-05 18:38:33 +0300 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2022-08-17 15:09:39 +0300 |
| commit | 670a5e356cb6dfc61b87b599eba483af6a3a99ad (patch) | |
| tree | 5165d8ff45c1107d36c6cdcb5606cdf72aa82e8e /drivers/thermal/gov_fair_share.c | |
| parent | 63561fe36b094729d3d4d274bafaa030b39e89f6 (diff) | |
| download | linux-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_fair_share.c')
| -rw-r--r-- | drivers/thermal/gov_fair_share.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/thermal/gov_fair_share.c b/drivers/thermal/gov_fair_share.c index 5d5ddd648cd2..a4ee4661e9cc 100644 --- a/drivers/thermal/gov_fair_share.c +++ b/drivers/thermal/gov_fair_share.c @@ -82,7 +82,7 @@ static int fair_share_throttle(struct thermal_zone_device *tz, int trip) int total_instance = 0; int cur_trip_level = get_trip_level(tz); - mutex_lock(&tz->lock); + lockdep_assert_held(&tz->lock); list_for_each_entry(instance, &tz->thermal_instances, tz_node) { if (instance->trip != trip) @@ -112,8 +112,6 @@ static int fair_share_throttle(struct thermal_zone_device *tz, int trip) mutex_unlock(&cdev->lock); } - mutex_unlock(&tz->lock); - return 0; } |