partial_pec 328 drivers/i2c/i2c-core-smbus.c u8 partial_pec = 0; partial_pec 457 drivers/i2c/i2c-core-smbus.c partial_pec = i2c_smbus_msg_pec(0, &msg[0]); partial_pec 475 drivers/i2c/i2c-core-smbus.c status = i2c_smbus_check_pec(partial_pec, &msg[num-1]);