media: v4l: fwnode: Rename and make static V4L2 async notifier helper

Rename v4l2_async_notifier_parse_fwnode_sensor_common() as
v4l2_async_notifier_parse_fwnode_sensor() and make the function static, as
it's not used by a driver and maybe never will.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/v4l2-core/v4l2-fwnode.c

@@ -1259,7 +1259,26 @@ v4l2_fwnode_reference_parse_int_props(struct device *dev,
 	return !fwnode || PTR_ERR(fwnode) == -ENOENT ? 0 : PTR_ERR(fwnode);
 }
 
-int v4l2_async_notifier_parse_fwnode_sensor_common(struct device *dev,
+/**
+ * v4l2_async_notifier_parse_fwnode_sensor - parse common references on
+ *					     sensors for async sub-devices
+ * @dev: the device node the properties of which are parsed for references
+ * @notifier: the async notifier where the async subdevs will be added
+ *
+ * Parse common sensor properties for remote devices related to the
+ * sensor and set up async sub-devices for them.
+ *
+ * Any notifier populated using this function must be released with a call to
+ * v4l2_async_notifier_release() after it has been unregistered and the async
+ * sub-devices are no longer in use, even in the case the function returned an
+ * error.
+ *
+ * Return: 0 on success
+ *	   -ENOMEM if memory allocation failed
+ *	   -EINVAL if property parsing failed
+ */
+static int
+v4l2_async_notifier_parse_fwnode_sensor(struct device *dev,
 					struct v4l2_async_notifier *notifier)
 {
 	static const char * const led_props[] = { "led" };
@@ -1288,7 +1307,6 @@ int v4l2_async_notifier_parse_fwnode_sensor_common(struct device *dev,
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(v4l2_async_notifier_parse_fwnode_sensor_common);
 
 int v4l2_async_register_subdev_sensor_common(struct v4l2_subdev *sd)
 {
@@ -1304,8 +1322,7 @@ int v4l2_async_register_subdev_sensor_common(struct v4l2_subdev *sd)
 
 	v4l2_async_notifier_init(notifier);
 
-	ret = v4l2_async_notifier_parse_fwnode_sensor_common(sd->dev,
-							     notifier);
+	ret = v4l2_async_notifier_parse_fwnode_sensor(sd->dev, notifier);
 	if (ret < 0)
 		goto out_cleanup;
 

include/media/v4l2-async.h

@@ -295,7 +295,7 @@ int v4l2_async_register_subdev(struct v4l2_subdev *sd);
  *
  * This function is just like v4l2_async_register_subdev() with the exception
  * that calling it will also parse firmware interfaces for remote references
- * using v4l2_async_notifier_parse_fwnode_sensor_common() and registers the
+ * using v4l2_async_notifier_parse_fwnode_sensor() and registers the
  * async sub-devices. The sub-device is similarly unregistered by calling
  * v4l2_async_unregister_subdev().
  *

include/media/v4l2-fwnode.h

@@ -510,27 +510,6 @@ v4l2_async_notifier_parse_fwnode_endpoints(struct device *dev,
 					   size_t asd_struct_size,
 					   parse_endpoint_func parse_endpoint);
 
-/**
- * v4l2_async_notifier_parse_fwnode_sensor_common - parse common references on
- *					       sensors for async sub-devices
- * @dev: the device node the properties of which are parsed for references
- * @notifier: the async notifier where the async subdevs will be added
- *
- * Parse common sensor properties for remote devices related to the
- * sensor and set up async sub-devices for them.
- *
- * Any notifier populated using this function must be released with a call to
- * v4l2_async_notifier_release() after it has been unregistered and the async
- * sub-devices are no longer in use, even in the case the function returned an
- * error.
- *
- * Return: 0 on success
- *	   -ENOMEM if memory allocation failed
- *	   -EINVAL if property parsing failed
- */
-int v4l2_async_notifier_parse_fwnode_sensor_common(struct device *dev,
-						   struct v4l2_async_notifier *notifier);
-
 /* Helper macros to access the connector links. */
 
 /** v4l2_connector_last_link - Helper macro to get the first