diff --git a/target/linux/generic-2.6/files/drivers/net/phy/mvswitch.c b/target/linux/generic-2.6/files/drivers/net/phy/mvswitch.c
index 834d31217d..cb0d377d27 100644
--- a/target/linux/generic-2.6/files/drivers/net/phy/mvswitch.c
+++ b/target/linux/generic-2.6/files/drivers/net/phy/mvswitch.c
@@ -288,6 +288,12 @@ mvswitch_config_init(struct phy_device *pdev)
 		);
 	}
 
+	/* init switch control */
+	w16(pdev, MV_SWITCHREG(CTRL),
+		MV_SWITCHCTL_MSIZE |
+		MV_SWITCHCTL_DROP
+	);
+
 	/* hook into the tx function */
 	priv->hardstart = dev->hard_start_xmit;
 	pdev->netif_receive_skb = mvswitch_netif_receive_skb;