LXR linux/scripts/dtc/libfdt/fdt_empty

   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}
  39