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| author | Daniel Lezcano <daniel.lezcano@linaro.org> | 2022-08-05 17:38:33 +0200 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2022-08-17 14:09:39 +0200 |
| commit | 670a5e356cb6dfc61b87b599eba483af6a3a99ad (patch) | |
| tree | 5165d8ff45c1107d36c6cdcb5606cdf72aa82e8e /drivers/thermal/thermal_core.c | |
| parent | 63561fe36b094729d3d4d274bafaa030b39e89f6 (diff) | |
| download | linux-stable-670a5e356cb6dfc61b87b599eba483af6a3a99ad.tar.gz linux-stable-670a5e356cb6dfc61b87b599eba483af6a3a99ad.tar.bz2 linux-stable-670a5e356cb6dfc61b87b599eba483af6a3a99ad.zip | |
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/thermal_core.c')
| -rw-r--r-- | drivers/thermal/thermal_core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 5408e92a1168..fcac28d28739 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -311,8 +311,10 @@ static void monitor_thermal_zone(struct thermal_zone_device *tz) static void handle_non_critical_trips(struct thermal_zone_device *tz, int trip) { + mutex_lock(&tz->lock); tz->governor ? tz->governor->throttle(tz, trip) : def_governor->throttle(tz, trip); + mutex_unlock(&tz->lock); } void thermal_zone_device_critical(struct thermal_zone_device *tz) |