1  // SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
2  /*
3   * libfdt - Flat Device Tree manipulation
4   * Copyright (C) 2012 David Gibson, IBM Corporation.
5   */
6  #include "libfdt_env.h"
7  
8  #include <fdt.h>
9  #include <libfdt.h>
10  
11  #include "libfdt_internal.h"
12  
fdt_create_empty_tree(void * buf,int bufsize)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  }
39