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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (c) 2013 Google, Inc
*/
#ifndef __linux_crc8_h
#define __linux_crc8_h
/**
* crc8() - Calculate and return CRC-8 of the data
*
* This uses an x^8 + x^2 + x + 1 polynomial. A table-based algorithm would
* be faster, but for only a few bytes it isn't worth the code size
*
* @crc_start: CRC8 start value
* @vptr: Buffer to checksum
* @len: Length of buffer in bytes
* @return CRC8 checksum
*/
unsigned int crc8(unsigned int crc_start, const unsigned char *vptr, int len);
#endif
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