1*4882a593Smuzhiyun #ifndef _LINUX_CRC7_H 2*4882a593Smuzhiyun #define _LINUX_CRC7_H 3*4882a593Smuzhiyun #include <linux/types.h> 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun extern const u8 crc7_syndrome_table[256]; 6*4882a593Smuzhiyun crc7_byte(u8 crc,u8 data)7*4882a593Smuzhiyunstatic inline u8 crc7_byte(u8 crc, u8 data) 8*4882a593Smuzhiyun { 9*4882a593Smuzhiyun return crc7_syndrome_table[(crc << 1) ^ data]; 10*4882a593Smuzhiyun } 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun extern u8 crc7(u8 crc, const u8 *buffer, size_t len); 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #endif 15