On Mon, Jul 30, 2018 at 02:43:55PM +0200, Quentin Schulz wrote: > + err = of_get_phy_mode(portnp); > + if (err < 0) > + ocelot->ports[port]->phy_mode = PHY_INTERFACE_MODE_NA; > + else > + ocelot->ports[port]->phy_mode = err; > + > + if (ocelot->ports[port]->phy_mode == PHY_INTERFACE_MODE_NA) > + continue; > + > + if (ocelot->ports[port]->phy_mode == PHY_INTERFACE_MODE_SGMII) > + phy_mode = PHY_MODE_SGMII; > + else > + phy_mode = PHY_MODE_QSGMII; Hi Quentin Say somebody puts RGMII as the phy-mode? It would be better to verify it is only SGMII or QSGMII and return -EINVAL otherwise. > + > + serdes = devm_of_phy_get(ocelot->dev, portnp, NULL); > + if (IS_ERR(serdes)) { > + if (PTR_ERR(serdes) == -EPROBE_DEFER) { > + dev_err(ocelot->dev, "deferring probe\n"); dev_dbg() ? It is not really an error. > + err = -EPROBE_DEFER; > + goto err_probe_ports; > + } > + > + dev_err(ocelot->dev, "missing SerDes phys for port%d\n", > + port); > + err = -ENODEV; err = PTR_ERR(serdes) so we get the actual error? > goto err_probe_ports; > } > + > + ocelot->ports[port]->serdes = serdes; > } > > register_netdevice_notifier(&ocelot_netdevice_nb); Andrew