diff options
| -rw-r--r-- | drivers/thermal/gov_power_allocator.c | 3 | ||||
| -rw-r--r-- | drivers/thermal/thermal_core.c | 15 | ||||
| -rw-r--r-- | drivers/thermal/thermal_core.h | 6 |
3 files changed, 17 insertions, 7 deletions
diff --git a/drivers/thermal/gov_power_allocator.c b/drivers/thermal/gov_power_allocator.c index 45f04a25255a..1b2345a697c5 100644 --- a/drivers/thermal/gov_power_allocator.c +++ b/drivers/thermal/gov_power_allocator.c @@ -759,6 +759,9 @@ static void power_allocator_manage(struct thermal_zone_device *tz) return; } + if (!params->trip_max) + return; + allocate_power(tz, params->trip_max->temperature); params->update_cdevs = true; } diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 1b0ab2790860..ecc748d15eb7 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) @@ -482,16 +484,14 @@ static void thermal_trip_crossed(struct thermal_zone_device *tz, thermal_governor_trip_crossed(governor, tz, trip, crossed_up); } -static int thermal_trip_notify_cmp(void *ascending, const struct list_head *a, +static int thermal_trip_notify_cmp(void *not_used, const struct list_head *a, const struct list_head *b) { struct thermal_trip_desc *tda = container_of(a, struct thermal_trip_desc, notify_list_node); struct thermal_trip_desc *tdb = container_of(b, struct thermal_trip_desc, notify_list_node); - int ret = tdb->notify_temp - tda->notify_temp; - - return ascending ? ret : -ret; + return tda->notify_temp - tdb->notify_temp; } void __thermal_zone_device_update(struct thermal_zone_device *tz, @@ -511,7 +511,7 @@ 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); @@ -520,12 +520,12 @@ void __thermal_zone_device_update(struct thermal_zone_device *tz, for_each_trip_desc(tz, td) handle_thermal_trip(tz, td, &way_up_list, &way_down_list); - list_sort(&way_up_list, &way_up_list, thermal_trip_notify_cmp); + list_sort(NULL, &way_up_list, thermal_trip_notify_cmp); list_for_each_entry(td, &way_up_list, notify_list_node) thermal_trip_crossed(tz, &td->trip, governor, true); list_sort(NULL, &way_down_list, thermal_trip_notify_cmp); - list_for_each_entry(td, &way_down_list, notify_list_node) + list_for_each_entry_reverse(td, &way_down_list, notify_list_node) thermal_trip_crossed(tz, &td->trip, governor, false); if (governor->manage) @@ -533,6 +533,7 @@ 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" |