diff options
| author | Pali Rohár <pali@kernel.org> | 2022-04-12 11:20:41 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2022-04-21 14:32:40 -0400 |
| commit | e523f5d181ce66a36b5f9476b86be2fa03284a45 (patch) | |
| tree | aff5f216aaef505eb5d409f59e53a77e7be313cc /include/linux | |
| parent | bb3d71b7eff4f137c1c4560950536aeb1740e004 (diff) | |
crc16: Rename fs/ubifs/crc16.h to include/linux/crc16.h
File fs/ubifs/crc16.h is standard linux's crc16.h include file. So move it
from fs/ubifs to include/linux where are also other linux include files.
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/crc16.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/crc16.h b/include/linux/crc16.h new file mode 100644 index 00000000000..052fd3311a9 --- /dev/null +++ b/include/linux/crc16.h @@ -0,0 +1,29 @@ +/* + * crc16.h - CRC-16 routine + * + * Implements the standard CRC-16: + * Width 16 + * Poly 0x8005 (x^16 + x^15 + x^2 + 1) + * Init 0 + * + * Copyright (c) 2005 Ben Gardner <bgardner@wabtec.com> + * + * This source code is licensed under the GNU General Public License, + * Version 2. See the file COPYING for more details. + */ + +#ifndef __CRC16_H +#define __CRC16_H + +#include <linux/types.h> + +extern u16 const crc16_table[256]; + +extern u16 crc16(u16 crc, const u8 *buffer, size_t len); + +static inline u16 crc16_byte(u16 crc, const u8 data) +{ + return (crc >> 8) ^ crc16_table[(crc ^ data) & 0xff]; +} + +#endif /* __CRC16_H */ |