drivers: thermal: step_wise: avoid throttling at hysteresis temperature after dropping below it

XECDesign · popcornmix · commit 77a25e04d4af · 2018-11-28T22:31:59.000Z
Signed-off-by: Serge Schneider &lt;serge@raspberrypi.org&gt;
diff --git a/drivers/thermal/step_wise.c b/drivers/thermal/step_wise.c
@@ -167,7 +167,7 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip)
 		 */
 		if (tz->temperature >= trip_temp ||
 		   (tz->temperature >= hyst_temp &&
-		   old_target != THERMAL_NO_TARGET)) {
+		   old_target == instance->upper)) {
 			throttle = true;
 			trace_thermal_zone_trip(tz, trip, trip_type);
 		}

Original file line number	Diff line number	Diff line change
`@@ -167,7 +167,7 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip)`
`167`	`167`	`*/`
`168`	`168`	`if (tz->temperature >= trip_temp \|\|`
`169`	`169`	`(tz->temperature >= hyst_temp &&`
`170`		`- old_target != THERMAL_NO_TARGET)) {`
	`170`	`+ old_target == instance->upper)) {`
`171`	`171`	`throttle = true;`
`172`	`172`	`trace_thermal_zone_trip(tz, trip, trip_type);`
`173`	`173`	`}`