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
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