[people/ms/u-boot.git] / lib / libfdt / fdt_empty_tree.c

/*
 * libfdt - Flat Device Tree manipulation
 * Copyright (C) 2012 David Gibson, IBM Corporation.
 * SPDX-License-Identifier:	GPL-2.0+ BSD-2-Clause
 */
#include "libfdt_env.h"

#include <fdt.h>
#include <libfdt.h>

#include "libfdt_internal.h"

int fdt_create_empty_tree(void *buf, int bufsize)
{
	int err;

	err = fdt_create(buf, bufsize);
	if (err)
		return err;

	err = fdt_finish_reservemap(buf);
	if (err)
		return err;

	err = fdt_begin_node(buf, "");
	if (err)
		return err;

	err =  fdt_end_node(buf);
	if (err)
		return err;

	err = fdt_finish(buf);
	if (err)
		return err;

	return fdt_open_into(buf, buf, bufsize);
}
Commit	Line	Data
c71b64f3 GVB	1	/*
	2	* libfdt - Flat Device Tree manipulation
	3	* Copyright (C) 2012 David Gibson, IBM Corporation.
35084760	4	* SPDX-License-Identifier: GPL-2.0+ BSD-2-Clause
c71b64f3 GVB	5	*/
	6	#include "libfdt_env.h"
	7
	8	#include <fdt.h>
	9	#include <libfdt.h>
	10
	11	#include "libfdt_internal.h"
	12
	13	int fdt_create_empty_tree(void *buf, int bufsize)
	14	{
	15	int err;
	16
	17	err = fdt_create(buf, bufsize);
	18	if (err)
	19	return err;
	20
	21	err = fdt_finish_reservemap(buf);
	22	if (err)
	23	return err;
	24
	25	err = fdt_begin_node(buf, "");
	26	if (err)
	27	return err;
	28
	29	err = fdt_end_node(buf);
	30	if (err)
	31	return err;
	32
	33	err = fdt_finish(buf);
	34	if (err)
	35	return err;
	36
	37	return fdt_open_into(buf, buf, bufsize);
	38	}