blob: e2630d57d91240b45963dc338a09b9056084b76a [file] [log] [blame]
Tom Rini10e47792018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Alexander Grafee532d92016-08-19 01:23:21 +02002/*
3 * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
Alexander Grafee532d92016-08-19 01:23:21 +02004 */
5
6#include <common.h>
7#include <linux/ctype.h>
8
9u8 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}