diff options
Diffstat (limited to 'drivers/thermal/gov_step_wise.c')
| -rw-r--r-- | drivers/thermal/gov_step_wise.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/thermal/gov_step_wise.c b/drivers/thermal/gov_step_wise.c index e0fdc497bfcc..65974fe8be0d 100644 --- a/drivers/thermal/gov_step_wise.c +++ b/drivers/thermal/gov_step_wise.c @@ -93,6 +93,23 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, if (instance->initialized && old_target == instance->target) continue; + if (trip->type == THERMAL_TRIP_PASSIVE) { + /* + * If the target state for this thermal instance + * changes from THERMAL_NO_TARGET to something else, + * ensure that the zone temperature will be updated + * (assuming enabled passive cooling) until it becomes + * THERMAL_NO_TARGET again, or the cooling device may + * not be reset to its initial state. + */ + if (old_target == THERMAL_NO_TARGET && + instance->target != THERMAL_NO_TARGET) + tz->passive++; + else if (old_target != THERMAL_NO_TARGET && + instance->target == THERMAL_NO_TARGET) + tz->passive--; + } + instance->initialized = true; mutex_lock(&instance->cdev->lock); |