mv643xx: convert to netdev_tx_t

Signed-off-by: NDenis Kirjanov <kirjanov@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/mv643xx_eth.c

@@ -849,7 +849,7 @@ static int txq_submit_skb(struct tx_queue *txq, struct sk_buff *skb)
 	return 0;
 }
 
-static int mv643xx_eth_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t mv643xx_eth_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct mv643xx_eth_private *mp = netdev_priv(dev);
 	int queue;