diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2023-08-17 12:23:32 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2023-08-17 12:23:32 +0300 |
| commit | 9a99a996d1ec53819580eba93d60b38d72befe3d (patch) | |
| tree | 89f2f644d0bae3f74bb947df494a24bec3986072 /drivers/thermal | |
| parent | bc840ea5f9a98cfab61f6f8f70a73dac43db27d0 (diff) | |
| download | linux-9a99a996d1ec53819580eba93d60b38d72befe3d.tar.xz | |
thermal: core: Introduce thermal_zone_device_exec()
Introduce a new helper function, thermal_zone_device_exec(), that can
be used by drivers to run a given callback routine under the zone lock.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/thermal')
| -rw-r--r-- | drivers/thermal/thermal_core.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index b38abe8a080a..6b273e11ab2f 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -497,6 +497,25 @@ void thermal_zone_device_update(struct thermal_zone_device *tz, } EXPORT_SYMBOL_GPL(thermal_zone_device_update); +/** + * thermal_zone_device_exec - Run a callback under the zone lock. + * @tz: Thermal zone. + * @cb: Callback to run. + * @data: Data to pass to the callback. + */ +void thermal_zone_device_exec(struct thermal_zone_device *tz, + void (*cb)(struct thermal_zone_device *, + unsigned long), + unsigned long data) +{ + mutex_lock(&tz->lock); + + cb(tz, data); + + mutex_unlock(&tz->lock); +} +EXPORT_SYMBOL_GPL(thermal_zone_device_exec); + static void thermal_zone_device_check(struct work_struct *work) { struct thermal_zone_device *tz = container_of(work, struct |