PORT_STATUS
ret = reg_read(priv, addr, PORT_STATUS);
port_status = rdlp(mp, PORT_STATUS);
port_status = rdlp(mp, PORT_STATUS);
u32 ps = rdlp(mp, PORT_STATUS);
ret = readl_relaxed_poll_timeout(port->base + PORT_STATUS, stat,
port_status = FIELD_GET(PORT_STATUS, dmg_status);
port_status = FIELD_GET(PORT_STATUS, damage_status);