YT921X_FDB_IO2_EGR_PORTS
ctrl = YT921X_FDB_IO2_EGR_PORTS(ports_mask);
ctrl = YT921X_FDB_IO2_EGR_PORTS(ports_mask);
ctrl = YT921X_FDB_IO2_EGR_PORTS(ports_mask);
ctrl2 = val2 & ~YT921X_FDB_IO2_EGR_PORTS(ports_mask);
ctrl2 = val2 | YT921X_FDB_IO2_EGR_PORTS(ports_mask);