diff options
Diffstat (limited to 'drivers/net/ethernet/cadence/macb_main.c')
-rw-r--r-- | drivers/net/ethernet/cadence/macb_main.c | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index f06babec04a0..daa416fb1724 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -915,23 +915,15 @@ static int macb_mii_probe(struct net_device *dev) return 0; } -static int macb_mdiobus_register(struct macb *bp) +static int macb_mdiobus_register(struct macb *bp, struct device_node *mdio_np) { struct device_node *child, *np = bp->pdev->dev.of_node; /* If we have a child named mdio, probe it instead of looking for PHYs * directly under the MAC node */ - child = of_get_child_by_name(np, "mdio"); - if (child) { - int ret = of_mdiobus_register(bp->mii_bus, child); - - of_node_put(child); - return ret; - } - - if (of_phy_is_fixed_link(np)) - return mdiobus_register(bp->mii_bus); + if (mdio_np) + return of_mdiobus_register(bp->mii_bus, mdio_np); /* Only create the PHY from the device tree if at least one PHY is * described. Otherwise scan the entire MDIO bus. We do this to support @@ -953,8 +945,17 @@ static int macb_mdiobus_register(struct macb *bp) static int macb_mii_init(struct macb *bp) { + struct device_node *mdio_np, *np = bp->pdev->dev.of_node; int err = -ENXIO; + /* With fixed-link, we don't need to register the MDIO bus, + * except if we have a child named "mdio" in the device tree. + * In that case, some devices may be attached to the MACB's MDIO bus. + */ + mdio_np = of_get_child_by_name(np, "mdio"); + if (!mdio_np && of_phy_is_fixed_link(np)) + return macb_mii_probe(bp->dev); + /* Enable management port */ macb_writel(bp, NCR, MACB_BIT(MPE)); @@ -976,7 +977,7 @@ static int macb_mii_init(struct macb *bp) dev_set_drvdata(&bp->dev->dev, bp->mii_bus); - err = macb_mdiobus_register(bp); + err = macb_mdiobus_register(bp, mdio_np); if (err) goto err_out_free_mdiobus; @@ -991,6 +992,8 @@ err_out_unregister_bus: err_out_free_mdiobus: mdiobus_free(bp->mii_bus); err_out: + of_node_put(mdio_np); + return err; } @@ -4841,10 +4844,11 @@ static const struct macb_config pc302gem_config = { }; static const struct macb_config sama5d2_config = { - .caps = MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII, + .caps = MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII | MACB_CAPS_JUMBO, .dma_burst_length = 16, .clk_init = macb_clk_init, .init = macb_init, + .jumbo_max_len = 10240, .usrio = &macb_default_usrio, }; @@ -5482,7 +5486,7 @@ static const struct dev_pm_ops macb_pm_ops = { static struct platform_driver macb_driver = { .probe = macb_probe, - .remove_new = macb_remove, + .remove = macb_remove, .driver = { .name = "macb", .of_match_table = of_match_ptr(macb_dt_ids), |