diff options
| -rw-r--r-- | drivers/thermal/thermal_core.c | 5 | ||||
| -rw-r--r-- | drivers/thermal/thermal_core.h | 6 |
2 files changed, 10 insertions, 1 deletions
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 1b0ab2790860..46418e30b4a6 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -300,6 +300,8 @@ static void monitor_thermal_zone(struct thermal_zone_device *tz) thermal_zone_device_set_polling(tz, tz->passive_delay_jiffies); else if (tz->polling_delay_jiffies) thermal_zone_device_set_polling(tz, tz->polling_delay_jiffies); + else if (tz->temperature == THERMAL_TEMP_INVALID) + thermal_zone_device_set_polling(tz, msecs_to_jiffies(THERMAL_RECHECK_DELAY_MS)); } static struct thermal_governor *thermal_get_tz_governor(struct thermal_zone_device *tz) @@ -511,7 +513,7 @@ void __thermal_zone_device_update(struct thermal_zone_device *tz, update_temperature(tz); if (tz->temperature == THERMAL_TEMP_INVALID) - return; + goto monitor; __thermal_zone_set_trips(tz); @@ -533,6 +535,7 @@ void __thermal_zone_device_update(struct thermal_zone_device *tz, thermal_debug_update_trip_stats(tz); +monitor: monitor_thermal_zone(tz); } diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h index 66f67e54e0c8..94eeb4011a48 100644 --- a/drivers/thermal/thermal_core.h +++ b/drivers/thermal/thermal_core.h @@ -133,6 +133,12 @@ struct thermal_zone_device { struct thermal_trip_desc trips[] __counted_by(num_trips); }; +/* + * Default delay after a failing thermal zone temperature check before + * attempting to check it again. + */ +#define THERMAL_RECHECK_DELAY_MS 250 + /* Default Thermal Governor */ #if defined(CONFIG_THERMAL_DEFAULT_GOV_STEP_WISE) #define DEFAULT_THERMAL_GOVERNOR "step_wise" |