arc_emac: Remove unused pointer to net_device from arc_emac_priv

The pointer to the struct net_device in the private data is only
assigned but never used, so delete it.
Signed-off-by: NTobias Klauser <tklauser@distanz.ch>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/arc/emac.h

@@ -105,7 +105,6 @@ struct buffer_state {
 /**
  * struct arc_emac_priv - Storage of EMAC's private information.
  * @dev:	Pointer to the current device.
- * @ndev:	Pointer to the current network device.
  * @phy_dev:	Pointer to attached PHY device.
  * @bus:	Pointer to the current MII bus.
  * @regs:	Base address of EMAC memory-mapped control registers.
@@ -126,7 +125,6 @@ struct buffer_state {
 struct arc_emac_priv {
 	/* Devices */
 	struct device *dev;
-	struct net_device *ndev;
 	struct phy_device *phy_dev;
 	struct mii_bus *bus;
 

drivers/net/ethernet/arc/emac_main.c

@@ -720,7 +720,6 @@ static int arc_emac_probe(struct platform_device *pdev)
 
 	priv = netdev_priv(ndev);
 	priv->dev = &pdev->dev;
-	priv->ndev = ndev;
 
 	priv->regs = devm_ioremap_resource(&pdev->dev, &res_regs);
 	if (IS_ERR(priv->regs)) {