thermal: sysfs: Refine the handling of trip hysteresis changes

Change trip_point_hyst_store() and replace thermal_zone_trip_updated()
with thermal_zone_set_trip_hyst() to follow the trip_point_temp_store()
code pattern for more consistency.

No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/5508466.Sb9uPGUboI@rjwysocki.net

drivers/thermal/thermal_core.h

@@ -258,11 +258,11 @@ const char *thermal_trip_type_name(enum thermal_trip_type trip_type);
 void thermal_zone_set_trips(struct thermal_zone_device *tz);
 int thermal_zone_trip_id(const struct thermal_zone_device *tz,
 			 const struct thermal_trip *trip);
-void thermal_zone_trip_updated(struct thermal_zone_device *tz,
-			       const struct thermal_trip *trip);
 int __thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp);
 void thermal_zone_trip_down(struct thermal_zone_device *tz,
 			    const struct thermal_trip *trip);
+void thermal_zone_set_trip_hyst(struct thermal_zone_device *tz,
+				struct thermal_trip *trip, int hyst);
 
 /* sysfs I/F */
 int thermal_zone_create_device_groups(struct thermal_zone_device *tz);

drivers/thermal/thermal_sysfs.c

@@ -153,9 +153,9 @@ trip_point_hyst_store(struct device *dev, struct device_attribute *attr,
 	mutex_lock(&tz->lock);
 
 	if (hyst != trip->hysteresis) {
-		WRITE_ONCE(trip->hysteresis, hyst);
+		thermal_zone_set_trip_hyst(tz, trip, hyst);
 
-		thermal_zone_trip_updated(tz, trip);
+		__thermal_zone_device_update(tz, THERMAL_TRIP_CHANGED);
 	}
 
 	mutex_unlock(&tz->lock);

drivers/thermal/thermal_trip.c

@@ -118,11 +118,11 @@ int thermal_zone_trip_id(const struct thermal_zone_device *tz,
 	return trip_to_trip_desc(trip) - tz->trips;
 }
 
-void thermal_zone_trip_updated(struct thermal_zone_device *tz,
-			       const struct thermal_trip *trip)
+void thermal_zone_set_trip_hyst(struct thermal_zone_device *tz,
+				struct thermal_trip *trip, int hyst)
 {
+	WRITE_ONCE(trip->hysteresis, hyst);
 	thermal_notify_tz_trip_change(tz, trip);
-	__thermal_zone_device_update(tz, THERMAL_TRIP_CHANGED);
 }
 
 void thermal_zone_set_trip_temp(struct thermal_zone_device *tz,