| Alexander Graf | ee532d9 | 2016-08-19 01:23:21 +0200 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> | ||||
| 3 | * | ||||
| 4 | * SPDX-License-Identifier: GPL-2.0+ | ||||
| 5 | */ | ||||
| 6 | |||||
| 7 | #include <common.h> | ||||
| 8 | #include <linux/ctype.h> | ||||
| 9 | |||||
| 10 | u8 table_compute_checksum(void *v, int len) | ||||
| 11 | { | ||||
| 12 | u8 *bytes = v; | ||||
| 13 | u8 checksum = 0; | ||||
| 14 | int i; | ||||
| 15 | |||||
| 16 | for (i = 0; i < len; i++) | ||||
| 17 | checksum -= bytes[i]; | ||||
| 18 | |||||
| 19 | return checksum; | ||||
| 20 | } | ||||