forked from mirrors/linux
90ca22513e
crc_ccitt_false() was introduced in commit 0d85adb5fb ("lib/crc-ccitt:
Add CCITT-FALSE CRC16 variant"), but it is redundant with crc_itu_t().
Since the latter is more used, it is the one being kept.
Link: https://lkml.kernel.org/r/20231219131154.748577-1-Mathis.Marion@silabs.com
Signed-off-by: Mathis Marion <mathis.marion@silabs.com>
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Andrey Vostrikov <andrey.vostrikov@cogentembedded.com>
Cc: Jérôme Pouiller <jerome.pouiller@silabs.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
16 lines
369 B
C
16 lines
369 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_CRC_CCITT_H
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#define _LINUX_CRC_CCITT_H
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#include <linux/types.h>
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extern u16 const crc_ccitt_table[256];
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extern u16 crc_ccitt(u16 crc, const u8 *buffer, size_t len);
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static inline u16 crc_ccitt_byte(u16 crc, const u8 c)
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{
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return (crc >> 8) ^ crc_ccitt_table[(crc ^ c) & 0xff];
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}
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#endif /* _LINUX_CRC_CCITT_H */
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