thermal: trip: Get rid of thermal_zone_get_num_trips()

The only existing caller of thermal_zone_get_num_trips(), which is
rcar_gen3_thermal_probe(), uses this function to put the number of
trip points into a kernel log message, but this information is also
available from the thermal sysfs interface.

For this reason, remove the thermal_zone_get_num_trips() call from
rcar_gen3_thermal_probe() and drop the former altogether.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://patch.msgid.link/2636988.Lt9SDvczpP@rjwysocki.net

drivers/thermal/renesas/rcar_gen3_thermal.c

@@ -563,11 +563,7 @@ static int rcar_gen3_thermal_probe(struct platform_device *pdev)
 		if (ret)
 			goto error_unregister;
 
-		ret = thermal_zone_get_num_trips(tsc->zone);
-		if (ret < 0)
-			goto error_unregister;
-
-		dev_info(dev, "Sensor %u: Loaded %d trip points\n", i, ret);
+		dev_info(dev, "Sensor %u: Loaded\n", i);
 	}
 
 	if (!priv->num_tscs) {

drivers/thermal/thermal_trip.c

@@ -55,12 +55,6 @@ int thermal_zone_for_each_trip(struct thermal_zone_device *tz,
 }
 EXPORT_SYMBOL_GPL(thermal_zone_for_each_trip);
 
-int thermal_zone_get_num_trips(struct thermal_zone_device *tz)
-{
-	return tz->num_trips;
-}
-EXPORT_SYMBOL_GPL(thermal_zone_get_num_trips);
-
 /**
  * thermal_zone_set_trips - Computes the next trip points for the driver
  * @tz: a pointer to a thermal zone device structure

include/linux/thermal.h

@@ -210,7 +210,6 @@ int for_each_thermal_trip(struct thermal_zone_device *tz,
 int thermal_zone_for_each_trip(struct thermal_zone_device *tz,
 			       int (*cb)(struct thermal_trip *, void *),
 			       void *data);
-int thermal_zone_get_num_trips(struct thermal_zone_device *tz);
 void thermal_zone_set_trip_temp(struct thermal_zone_device *tz,
 				struct thermal_trip *trip, int temp);