thermal/of: Remove the device node pointer for thermal_trip

The device node pointer is no longer needed in the thermal trip
structure, remove it.

Cc: Alexandre Bailon <abailon@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: NDaniel Lezcano <daniel.lezcano@linexp.org>
Reviewed-by: NLukasz Luba <lukasz.luba@arm.com>
Link: https://lore.kernel.org/r/20220722200007.1839356-4-daniel.lezcano@linexp.orgSigned-off-by: NDaniel Lezcano <daniel.lezcano@linaro.org>

drivers/thermal/thermal_core.h

@@ -70,13 +70,11 @@ void __thermal_cdev_update(struct thermal_cooling_device *cdev);
 
 /**
  * struct thermal_trip - representation of a point in temperature domain
- * @np: pointer to struct device_node that this trip point was created from
  * @temperature: temperature value in miliCelsius
  * @hysteresis: relative hysteresis in miliCelsius
  * @type: trip point type
  */
 struct thermal_trip {
-	struct device_node *np;
 	int temperature;
 	int hysteresis;
 	enum thermal_trip_type type;

drivers/thermal/thermal_of.c

@@ -867,10 +867,6 @@ static int thermal_of_populate_trip(struct device_node *np,
 		return ret;
 	}
 
-	/* Required for cooling map matching */
-	trip->np = np;
-	of_node_get(np);
-
 	return 0;
 }
 
@@ -1001,8 +997,6 @@ __init *thermal_of_build_thermal_zone(struct device_node *np)
 
 	kfree(tz->tbps);
 free_trips:
-	for (i = 0; i < tz->ntrips; i++)
-		of_node_put(tz->trips[i].np);
 	kfree(tz->trips);
 	of_node_put(trips);
 	of_node_put(gchild);
@@ -1028,8 +1022,6 @@ static __init void of_thermal_free_zone(struct __thermal_zone *tz)
 	}
 
 	kfree(tz->tbps);
-	for (i = 0; i < tz->ntrips; i++)
-		of_node_put(tz->trips[i].np);
 	kfree(tz->trips);
 	kfree(tz);
 }