PI_PDQ_K_REG_PORT_STATUS
dfx_port_read_long(bp, PI_PDQ_K_REG_PORT_STATUS, &port_status);
dfx_port_read_long(bp, PI_PDQ_K_REG_PORT_STATUS, &port_status);
dfx_port_read_long(bp, PI_PDQ_K_REG_PORT_STATUS, &status);
dfx_port_read_long(bp, PI_PDQ_K_REG_PORT_STATUS, &port_status);