--- a/drivers/net/ethernet/lantiq_etop.c
+++ b/drivers/net/ethernet/lantiq_etop.c
@@ -343,16 +343,17 @@ static int
 ltq_etop_hw_init(struct net_device *dev)
 {
 	struct ltq_etop_priv *priv = netdev_priv(dev);
+	int mii_mode = priv->mii_mode;
 
 	clk_enable(priv->clk_ppe);
 
 	if (of_machine_is_compatible("lantiq,ar9")) {
 		ltq_etop_gbit_init(dev);
 		/* force the etops link to the gbit to MII */
-		priv->mii_mode = PHY_INTERFACE_MODE_MII;
+		mii_mode = PHY_INTERFACE_MODE_MII;
 	}
 
-	switch (priv->mii_mode) {
+	switch (mii_mode) {
 	case PHY_INTERFACE_MODE_RMII:
 		ltq_etop_w32_mask(ETOP_MII_MASK,
 			ETOP_MII_REVERSE, LTQ_ETOP_CFG);
@@ -377,7 +378,7 @@ ltq_etop_hw_init(struct net_device *dev)
 			break;
 		}
 		netdev_err(dev, "unknown mii mode %d\n",
-			priv->mii_mode);
+			mii_mode);
 		return -ENOTSUPP;
 	}