--- /dev/null
+diff --git a/drivers/net/au1000_eth.c b/drivers/net/au1000_eth.c
+index c27cfce..99a1c61 100644
+--- a/drivers/net/au1000_eth.c
++++ b/drivers/net/au1000_eth.c
+@@ -1316,12 +1316,20 @@ static void set_rx_mode(struct net_device *dev)
+ static int au1000_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+ {
+ struct au1000_private *aup = (struct au1000_private *)dev->priv;
++ struct mii_ioctl_data *data = if_mii(rq);
++ int rc = -EOPNOTSUPP;
+
+ if (!netif_running(dev)) return -EINVAL;
+
+ if (!aup->phy_dev) return -EINVAL; // PHY not controllable
+
+- return phy_mii_ioctl(aup->phy_dev, if_mii(rq), cmd);
++ switch (cmd) {
++ default:
++ rc = phy_mii_ioctl(aup->phy_dev, data, cmd);
++ break;
++ }
++
++ return rc;
+ }
+
+ static struct net_device_stats *au1000_get_stats(struct net_device *dev)