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- /*
- * Copyright (c) 2013 Google, Inc
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
- #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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