F_PORT0ACTIVE
(chan_map == 1 ? F_TPTXPORT0EN | F_PORT0ACTIVE :
F_TPRXPORTEN | F_PORT0ACTIVE | F_PORT1ACTIVE |
t3_set_reg_field(adap, A_MPS_CFG, F_PORT0ACTIVE, 0);
t3_set_reg_field(adap, A_MPS_CFG, 0, F_PORT0ACTIVE);