MSCAN_SFF_RTR_SHIFT  242 drivers/net/can/mscan/mscan.c 			 << (MSCAN_SFF_RTR_SHIFT + 1);
MSCAN_SFF_RTR_SHIFT  244 drivers/net/can/mscan/mscan.c 			can_id |= 1 << MSCAN_SFF_RTR_SHIFT;