linux-next/include/linux/of_graph.h

/*
 * OF graph binding parsing helpers
 *
 * Copyright (C) 2012 - 2013 Samsung Electronics Co., Ltd.
 * Author: Sylwester Nawrocki <s.nawrocki@samsung.com>
 *
 * Copyright (C) 2012 Renesas Electronics Corp.
 * Author: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 */
#ifndef __LINUX_OF_GRAPH_H
#define __LINUX_OF_GRAPH_H

#ifdef CONFIG_OF
struct device_node *of_graph_get_next_endpoint(const struct device_node *parent,
					struct device_node *previous);
struct device_node *of_graph_get_remote_port_parent(
					const struct device_node *node);
struct device_node *of_graph_get_remote_port(const struct device_node *node);
#else

static inline struct device_node *of_graph_get_next_endpoint(
					const struct device_node *parent,
					struct device_node *previous)
{
	return NULL;
}

static inline struct device_node *of_graph_get_remote_port_parent(
					const struct device_node *node)
{
	return NULL;
}

static inline struct device_node *of_graph_get_remote_port(
					const struct device_node *node)
{
	return NULL;
}

#endif /* CONFIG_OF */

#endif /* __LINUX_OF_GRAPH_H */