> + /* For T1 PHY */ > + if (lan937x_is_internal_t1_phy_port(dev, port)) { > + phylink_set(mask, 100baseT_Full); > + phylink_set_port_modes(mask); Since this is a T1 PHY, you should be using 100baseT1_Full. This might be the first user of this for phylink, so please test this actually works. Andrew