net: mv643xx_eth: properly start/stop phy device

When using phydev, it should be phy_start/phy_stop'ed properly. This
driver doesn't do that, so add the corresponding calls to port_start/
stop respectively.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Mugunthan V N <mugunthanvnm@ti.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/marvell/mv643xx_eth.c

@@ -2080,6 +2080,7 @@ static void port_start(struct mv643xx_eth_private *mp)
 		mv643xx_eth_get_settings(mp->dev, &cmd);
 		phy_init_hw(mp->phy);
 		mv643xx_eth_set_settings(mp->dev, &cmd);
+		phy_start(mp->phy);
 	}
 
 	/*
@@ -2275,7 +2276,8 @@ static int mv643xx_eth_stop(struct net_device *dev)
 	del_timer_sync(&mp->rx_oom);
 
 	netif_carrier_off(dev);
-
+	if (mp->phy)
+		phy_stop(mp->phy);
 	free_irq(dev->irq, dev);
 
 	port_reset(mp);