thermal: gov_step_wise: Fold update_passive_instance() into its caller

Fold update_passive_instance() into thermal_zone_trip_update() that is
its only caller so as to make the code in question easier to follow.

No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>

drivers/thermal/gov_step_wise.c

@@ -68,17 +68,6 @@ static unsigned long get_target_state(struct thermal_instance *instance,
 	return next_target;
 }
 
-static void update_passive_instance(struct thermal_zone_device *tz,
-				enum thermal_trip_type type, int value)
-{
-	/*
-	 * If value is +1, activate a passive instance.
-	 * If value is -1, deactivate a passive instance.
-	 */
-	if (type == THERMAL_TRIP_PASSIVE)
-		tz->passive += value;
-}
-
 static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip_id)
 {
 	const struct thermal_trip *trip = &tz->trips[trip_id];
@@ -109,14 +98,17 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip_id
 		if (instance->initialized && old_target == instance->target)
 			continue;
 
-		/* Activate a passive thermal instance */
 		if (old_target == THERMAL_NO_TARGET &&
-			instance->target != THERMAL_NO_TARGET)
-			update_passive_instance(tz, trip->type, 1);
-		/* Deactivate a passive thermal instance */
-		else if (old_target != THERMAL_NO_TARGET &&
-			instance->target == THERMAL_NO_TARGET)
-			update_passive_instance(tz, trip->type, -1);
+		    instance->target != THERMAL_NO_TARGET) {
+			/* Activate a passive thermal instance */
+			if (trip->type == THERMAL_TRIP_PASSIVE)
+				tz->passive++;
+		} else if (old_target != THERMAL_NO_TARGET &&
+			   instance->target == THERMAL_NO_TARGET) {
+			/* Deactivate a passive thermal instance */
+			if (trip->type == THERMAL_TRIP_PASSIVE)
+				tz->passive--;
+		}
 
 		instance->initialized = true;
 		mutex_lock(&instance->cdev->lock);