staging: octeon: support fixed-link phys

Support fixed-link PHYs. This allows to remove some of the board-specific
link cvmx_helper code in the future.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/octeon/ethernet-mdio.c

@@ -181,6 +181,15 @@ int cvm_oct_phy_setup_device(struct net_device *dev)
 		goto no_phy;
 
 	phy_node = of_parse_phandle(priv->of_node, "phy-handle", 0);
+	if (!phy_node && of_phy_is_fixed_link(priv->of_node)) {
+		int rc;
+
+		rc = of_phy_register_fixed_link(priv->of_node);
+		if (rc)
+			return rc;
+
+		phy_node = of_node_get(priv->of_node);
+	}
 	if (!phy_node)
 		goto no_phy;