device property: Add fwnode_get_parent()

}

EXPORT_SYMBOL_GPL(device_add_properties);

/**

 * fwnode_get_parent - Return parent firwmare node

 * @fwnode: Firmware whose parent is retrieved

 *

 * Return parent firmware node of the given node if possible or %NULL if no

 * parent was available.

 */

struct fwnode_handle *fwnode_get_parent(struct fwnode_handle *fwnode)

{

	struct fwnode_handle *parent = NULL;

	if (is_of_node(fwnode)) {

		struct device_node *node;

		node = of_get_parent(to_of_node(fwnode));

		if (node)

			parent = &node->fwnode;

	} else if (is_acpi_node(fwnode)) {

		parent = acpi_node_get_parent(fwnode);

	}

	return parent;

}

EXPORT_SYMBOL_GPL(fwnode_get_parent);

/**

 * device_get_next_child_node - Return the next child node handle for a device

 * @dev: Device to find the next child node for.

int fwnode_property_match_string(struct fwnode_handle *fwnode,

				 const char *propname, const char *string);

struct fwnode_handle *fwnode_get_parent(struct fwnode_handle *fwnode);

struct fwnode_handle *device_get_next_child_node(struct device *dev,

						 struct fwnode_handle *child);