1 #ifndef _LINUX_CRC7_H 2 #define _LINUX_CRC7_H 3 #include <linux/types.h> 4 5 extern const u8 crc7_syndrome_table[256]; 6 7 static inline u8 crc7_byte(u8 crc, u8 data) 8 { 9 return crc7_syndrome_table[(crc << 1) ^ data]; 10 } 11 12 extern u8 crc7(u8 crc, const u8 *buffer, size_t len); 13 14 #endif 15