Fix non TBI PHY access; a bad merge undid bug fix in a previous commit.

[ Upstream commit 464b57da ]

The merge done in commit b26e478f undid bug fix in commit c3e072f8
("net: fsl_pq_mdio: fix non tbi phy access"), with the result that non
TBI (e.g. MDIO) PHYs cannot be accessed.
Signed-off-by: Kenth Eriksson <kenth.eriksson@transmode.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/net/ethernet/freescale/fsl_pq_mdio.c

@@ -356,16 +356,15 @@ static int fsl_pq_mdio_probe(struct platform_device *ofdev)
 
 		if (prop)
 			tbiaddr = *prop;
-	}
-
-	if (tbiaddr == -1) {
-		err = -EBUSY;
 
-		goto err_free_irqs;
+		if (tbiaddr == -1) {
+			err = -EBUSY;
+			goto err_free_irqs;
+		} else {
+			out_be32(tbipa, tbiaddr);
+		}
 	}
 
-	out_be32(tbipa, tbiaddr);
-
 	err = of_mdiobus_register(new_bus, np);
 	if (err) {
 		printk (KERN_ERR "%s: Cannot register as MDIO bus\n",