tools/fdt_host.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * (C) Copyright 2008 Semihalf
   4  */
   5
   6 #ifndef __FDT_HOST_H__
   7 #define __FDT_HOST_H__
   8
   9 /* Make sure to include u-boot version of libfdt include files */
  10 #include "../include/linux/libfdt.h"
  11 #include "../include/fdt_support.h"
  12
  13 /**
  14  * fdt_remove_unused_strings() - Remove any unused strings from an FDT
  15  *
  16  * This creates a new device tree in @new with unused strings removed. The
  17  * called can then use fdt_pack() to minimise the space consumed.
  18  *
  19  * @old:        Old device tree blog
  20  * @new:        Place to put new device tree blob, which must be as large as
  21  *              @old
  22  * @return
  23  *      0, on success
  24  *      -FDT_ERR_BADOFFSET, corrupt device tree
  25  *      -FDT_ERR_NOSPACE, out of space, which should not happen unless there
  26  *              is something very wrong with the device tree input
  27  */
  28 int fdt_remove_unused_strings(const void *old, void *new);
  29
  30 int fit_check_sign(const void *fit, const void *key,
  31                    const char *fit_uname_config);
  32
  33 #endif /* __FDT_HOST_H__ */