device property: Introduce fwnode_find_reference()

}

EXPORT_SYMBOL_GPL(fwnode_property_get_reference_args);

/**

 * fwnode_find_reference - Find named reference to a fwnode_handle

 * @fwnode: Firmware node where to look for the reference

 * @name: The name of the reference

 * @index: Index of the reference

 *

 * @index can be used when the named reference holds a table of references.

 *

 * Returns pointer to the reference fwnode, or ERR_PTR. Caller is responsible to

 * call fwnode_handle_put() on the returned fwnode pointer.

 */

struct fwnode_handle *fwnode_find_reference(const struct fwnode_handle *fwnode,

					    const char *name,

					    unsigned int index)

{

	struct fwnode_reference_args args;

	int ret;

	ret = fwnode_property_get_reference_args(fwnode, name, NULL, 0, index,

						 &args);

	return ret ? ERR_PTR(ret) : args.fwnode;

}

EXPORT_SYMBOL_GPL(fwnode_find_reference);

/**

 * device_remove_properties - Remove properties from a device object.

 * @dev: Device whose properties to remove.

				       unsigned int nargs, unsigned int index,

				       struct fwnode_reference_args *args);

struct fwnode_handle *fwnode_find_reference(const struct fwnode_handle *fwnode,

					    const char *name,

					    unsigned int index);

struct fwnode_handle *fwnode_get_parent(const struct fwnode_handle *fwnode);

struct fwnode_handle *fwnode_get_next_parent(

	struct fwnode_handle *fwnode);