MC_SECOND_MASK    995 drivers/net/ethernet/sfc/ptp.c 	last_sec = last_time->ts_real.tv_sec & MC_SECOND_MASK;
MC_SECOND_MASK    997 drivers/net/ethernet/sfc/ptp.c 	    ((start_sec + 1) & MC_SECOND_MASK) != last_sec) {