diff options
Diffstat (limited to 'drivers/thermal/thermal_core.c')
| -rw-r--r-- | drivers/thermal/thermal_core.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 842f678c1c3e..a59700593d32 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -348,7 +348,8 @@ static void handle_thermal_trip(struct thermal_zone_device *tz, int trip_id) struct thermal_trip trip; /* Ignore disabled trip points */ - if (test_bit(trip_id, &tz->trips_disabled)) + if (test_bit(trip_id, &tz->trips_disabled) || + trip.temperature == THERMAL_TEMP_INVALID) return; __thermal_zone_get_trip(tz, trip_id, &trip); @@ -496,6 +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 @@ -1203,7 +1223,7 @@ EXPORT_SYMBOL_GPL(thermal_zone_get_crit_temp); struct thermal_zone_device * thermal_zone_device_register_with_trips(const char *type, struct thermal_trip *trips, int num_trips, int mask, void *devdata, struct thermal_zone_device_ops *ops, - struct thermal_zone_params *tzp, int passive_delay, + const struct thermal_zone_params *tzp, int passive_delay, int polling_delay) { struct thermal_zone_device *tz; @@ -1371,7 +1391,7 @@ EXPORT_SYMBOL_GPL(thermal_zone_device_register_with_trips); struct thermal_zone_device *thermal_zone_device_register(const char *type, int ntrips, int mask, void *devdata, struct thermal_zone_device_ops *ops, - struct thermal_zone_params *tzp, int passive_delay, + const struct thermal_zone_params *tzp, int passive_delay, int polling_delay) { return thermal_zone_device_register_with_trips(type, NULL, ntrips, mask, |