target/linux/ipq40xx/patches-5.4/706-ar40xx-abort-probe-on-missig-phy.patch

   1 --- a/drivers/net/phy/ar40xx.c
   2 +++ b/drivers/net/phy/ar40xx.c
   3 @@ -1808,8 +1808,8 @@ ar40xx_phy_probe(struct phy_device *phyd
   4         if (phydev->mdio.addr == 0)
   5                 ar40xx_priv->phy = phydev;
   6
   7 -       phydev->supported |= SUPPORTED_1000baseT_Full;
   8 -       phydev->advertising |= ADVERTISED_1000baseT_Full;
   9 +       phy_set_max_speed(phydev, SPEED_1000);
  10 +       linkmode_copy(phydev->advertising, phydev->supported);
  11         return 0;
  12  }
  13
  14 @@ -2021,6 +2021,12 @@ static int ar40xx_probe(struct platform_
  15         /* register switch */
  16         swdev = &priv->dev;
  17
  18 +       if (priv->mii_bus == NULL) {
  19 +               dev_err(&pdev->dev, "Probe failed - Missing PHYs!\n");
  20 +               ret = -ENODEV;
  21 +               goto err_missing_phy;
  22 +       }
  23 +
  24         swdev->alias = dev_name(&priv->mii_bus->dev);
  25
  26         swdev->cpu_port = AR40XX_PORT_CPU;
  27 @@ -2052,6 +2058,7 @@ err_unregister_switch:
  28         unregister_switch(&priv->dev);
  29  err_unregister_phy:
  30         phy_driver_unregister(&ar40xx_phy_driver);
  31 +err_missing_phy:
  32         platform_set_drvdata(pdev, NULL);
  33         return ret;
  34  }