diff options
Diffstat (limited to 'drivers/net/ethernet/cadence/macb.c')
-rw-r--r-- | drivers/net/ethernet/cadence/macb.c | 34 |
1 files changed, 21 insertions, 13 deletions
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c index eec3200ade4a..cb07d95e3dd9 100644 --- a/drivers/net/ethernet/cadence/macb.c +++ b/drivers/net/ethernet/cadence/macb.c @@ -440,7 +440,7 @@ static int macb_mii_init(struct macb *bp) snprintf(bp->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", bp->pdev->name, bp->pdev->id); bp->mii_bus->priv = bp; - bp->mii_bus->parent = &bp->dev->dev; + bp->mii_bus->parent = &bp->pdev->dev; pdata = dev_get_platdata(&bp->pdev->dev); dev_set_drvdata(&bp->dev->dev, bp->mii_bus); @@ -458,7 +458,8 @@ static int macb_mii_init(struct macb *bp) struct phy_device *phydev; phydev = mdiobus_scan(bp->mii_bus, i); - if (IS_ERR(phydev)) { + if (IS_ERR(phydev) && + PTR_ERR(phydev) != -ENODEV) { err = PTR_ERR(phydev); break; } @@ -3005,29 +3006,36 @@ static int macb_probe(struct platform_device *pdev) if (err) goto err_out_free_netdev; + err = macb_mii_init(bp); + if (err) + goto err_out_free_netdev; + + phydev = bp->phy_dev; + + netif_carrier_off(dev); + err = register_netdev(dev); if (err) { dev_err(&pdev->dev, "Cannot register net device, aborting.\n"); - goto err_out_unregister_netdev; + goto err_out_unregister_mdio; } - err = macb_mii_init(bp); - if (err) - goto err_out_unregister_netdev; - - netif_carrier_off(dev); + phy_attached_info(phydev); netdev_info(dev, "Cadence %s rev 0x%08x at 0x%08lx irq %d (%pM)\n", macb_is_gem(bp) ? "GEM" : "MACB", macb_readl(bp, MID), dev->base_addr, dev->irq, dev->dev_addr); - phydev = bp->phy_dev; - phy_attached_info(phydev); - return 0; -err_out_unregister_netdev: - unregister_netdev(dev); +err_out_unregister_mdio: + phy_disconnect(bp->phy_dev); + mdiobus_unregister(bp->mii_bus); + mdiobus_free(bp->mii_bus); + + /* Shutdown the PHY if there is a GPIO reset */ + if (bp->reset_gpio) + gpiod_set_value(bp->reset_gpio, 0); err_out_free_netdev: free_netdev(dev); |