Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
Alexander Graf | ee532d9 | 2016-08-19 01:23:21 +0200 | [diff] [blame] | 2 | /* |
3 | * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> | ||||
Alexander Graf | ee532d9 | 2016-08-19 01:23:21 +0200 | [diff] [blame] | 4 | */ |
5 | |||||
6 | #include <common.h> | ||||
7 | #include <linux/ctype.h> | ||||
8 | |||||
9 | 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 | } |