diff options
| 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/gov_step_wise.c | |
| parent | thermal/governors: Group the thermal zone lock inside the throttle function (diff) | |
| download | linux-dev-670a5e356cb6dfc61b87b599eba483af6a3a99ad.tar.xz linux-dev-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/gov_step_wise.c')
| -rw-r--r-- | drivers/thermal/gov_step_wise.c | 4 |
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; } |