ethoc: remove unused spinlock

Signed-off-by: NJonas Bonn <jonas@southpole.se>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethoc.c

@@ -185,7 +185,6 @@ MODULE_PARM_DESC(buffer_size, "DMA buffer allocation size");
  * @netdev:	pointer to network device structure
  * @napi:	NAPI structure
  * @msg_enable:	device state flags
- * @rx_lock:	receive lock
  * @lock:	device lock
  * @phy:	attached PHY
  * @mdio:	MDIO bus for PHY access
@@ -210,7 +209,6 @@ struct ethoc {
 	struct napi_struct napi;
 	u32 msg_enable;
 
-	spinlock_t rx_lock;
 	spinlock_t lock;
 
 	struct phy_device *phy;
@@ -1060,7 +1058,6 @@ static int __devinit ethoc_probe(struct platform_device *pdev)
 	/* setup NAPI */
 	netif_napi_add(netdev, &priv->napi, ethoc_poll, 64);
 
-	spin_lock_init(&priv->rx_lock);
 	spin_lock_init(&priv->lock);
 
 	ret = register_netdev(netdev);