LXR uboot/include/tables

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
   4 */
   5
   6#ifndef _TABLES_CSUM_H_
   7#define _TABLES_CSUM_H_
   8
   9static inline u8 table_compute_checksum(void *v, int len)
  10{
  11        u8 *bytes = v;
  12        u8 checksum = 0;
  13        int i;
  14
  15        for (i = 0; i < len; i++)
  16                checksum -= bytes[i];
  17
  18        return checksum;
  19}
  20
  21#endif
  22