stmmac: Fix 'eth0: No PHY found' regression

[mirror_ubuntu-artful-kernel.git] / drivers / net / ethernet / stmicro / stmmac / stmmac_mdio.c

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
index 0faf1633603531a709358388b116d596d746e3e9..efb54f356a67c03e36856ed0047f5e3d9b2bf0f1 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -199,21 +199,12 @@ int stmmac_mdio_register(struct net_device *ndev)
        struct stmmac_priv *priv = netdev_priv(ndev);
        struct stmmac_mdio_bus_data *mdio_bus_data = priv->plat->mdio_bus_data;
        int addr, found;
-       struct device_node *mdio_node = NULL;
-       struct device_node *child_node = NULL;
+       struct device_node *mdio_node = priv->plat->mdio_node;
 
        if (!mdio_bus_data)
                return 0;
 
        if (IS_ENABLED(CONFIG_OF)) {
-               for_each_child_of_node(priv->device->of_node, child_node) {
-                       if (of_device_is_compatible(child_node,
-                                                   "snps,dwmac-mdio")) {
-                               mdio_node = child_node;
-                               break;
-                       }
-               }
-
                if (mdio_node) {
                        netdev_dbg(ndev, "FOUND MDIO subnode\n");
                } else {