thermal: imx: Drop critical trip check from imx_set_trip_temp()

Because the IMX thermal driver does not flag its critical trip as
writable, imx_set_trip_temp() will never be invoked for it and so the
critical trip check can be dropped from there.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/2272035.iZASKD2KPV@rjwysocki.net

Author: rafaeljw

drivers/thermal/imx_thermal.c

@@ -335,21 +335,12 @@ static int imx_set_trip_temp(struct thermal_zone_device *tz, int trip_id,
 			     int temp)
 {
 	struct imx_thermal_data *data = thermal_zone_device_priv(tz);
-	struct thermal_trip trip;
 	int ret;
 
 	ret = pm_runtime_resume_and_get(data->dev);
 	if (ret < 0)
 		return ret;
 
-	ret = __thermal_zone_get_trip(tz, trip_id, &trip);
-	if (ret)
-		return ret;
-
-	/* do not allow changing critical threshold */
-	if (trip.type == THERMAL_TRIP_CRITICAL)
-		return -EPERM;
-
 	/* do not allow passive to be set higher than critical */
 	if (temp < 0 || temp > trips[IMX_TRIP_CRITICAL].temperature)
 		return -EINVAL;