fdt_empty_tree.c (641B)
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 13int 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}