linux-kernel - [PATCH 2/2] thermal/of: Remove the thermal_zone_of_get_sensor

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Message-Id: <20220817231533.2639806-2-daniel.lezcano@linaro.org>
Date:   Thu, 18 Aug 2022 01:15:33 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     daniel.lezcano@...aro.org
Cc:     rafael@...nel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Amit Kucheria <amitk@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>
Subject: [PATCH 2/2] thermal/of: Remove the thermal_zone_of_get_sensor_id() function

The function thermal_zone_of_get_sensor_id() is no longer used
anywhere, remove it.

Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
---
 drivers/thermal/thermal_of.c | 44 ------------------------------------
 include/linux/thermal.h      | 10 --------
 2 files changed, 54 deletions(-)

diff --git a/drivers/thermal/thermal_of.c b/drivers/thermal/thermal_of.c
index fd2fb84bf246..d4b6335ace15 100644
--- a/drivers/thermal/thermal_of.c
+++ b/drivers/thermal/thermal_of.c
@@ -130,50 +130,6 @@ static int of_thermal_get_crit_temp(struct thermal_zone_device *tz,
 	return -EINVAL;
 }
 
-/**
- * thermal_zone_of_get_sensor_id - get sensor ID from a DT thermal zone
- * @tz_np: a valid thermal zone device node.
- * @sensor_np: a sensor node of a valid sensor device.
- * @id: the sensor ID returned if success.
- *
- * This function will get sensor ID from a given thermal zone node and
- * the sensor node must match the temperature provider @sensor_np.
- *
- * Return: 0 on success, proper error code otherwise.
- */
-
-int thermal_zone_of_get_sensor_id(struct device_node *tz_np,
-				  struct device_node *sensor_np,
-				  u32 *id)
-{
-	struct of_phandle_args sensor_specs;
-	int ret;
-
-	ret = of_parse_phandle_with_args(tz_np,
-					 "thermal-sensors",
-					 "#thermal-sensor-cells",
-					 0,
-					 &sensor_specs);
-	if (ret)
-		return ret;
-
-	if (sensor_specs.np != sensor_np) {
-		of_node_put(sensor_specs.np);
-		return -ENODEV;
-	}
-
-	if (sensor_specs.args_count > 1)
-		pr_warn("%pOFn: too many cells in sensor specifier %d\n",
-		     sensor_specs.np, sensor_specs.args_count);
-
-	*id = sensor_specs.args_count ? sensor_specs.args[0] : 0;
-
-	of_node_put(sensor_specs.np);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(thermal_zone_of_get_sensor_id);
-
 /***   functions parsing device tree nodes   ***/
 
 static int of_find_trip_id(struct device_node *np, struct device_node *trip)
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 86c24ddd5985..a5a18351a898 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -310,9 +310,6 @@ void devm_thermal_of_zone_unregister(struct device *dev, struct thermal_zone_dev
 
 void thermal_of_zone_unregister(struct thermal_zone_device *tz);
 
-int thermal_zone_of_get_sensor_id(struct device_node *tz_np,
-				  struct device_node *sensor_np,
-				  u32 *id);
 #else
 static inline
 struct thermal_zone_device *thermal_of_zone_register(struct device_node *sensor, int id, void *data,
@@ -336,13 +333,6 @@ static inline void devm_thermal_of_zone_unregister(struct device *dev,
 						   struct thermal_zone_device *tz)
 {
 }
-
-static inline int thermal_zone_of_get_sensor_id(struct device_node *tz_np,
-						struct device_node *sensor_np,
-						u32 *id)
-{
-	return -ENOENT;
-}
 #endif
 
 #ifdef CONFIG_THERMAL
-- 
2.34.1