stmmac: remove stmmac_config

stmmac_config() denies changing the base address and interrupt
parameters, and ignores any other settings from the ifmap parameters,
thus making stmmac_config() useless, remove it.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

@@ -2214,27 +2214,6 @@ static void stmmac_tx_timeout(struct net_device *dev)
 	stmmac_tx_err(priv);
 }
 
-/* Configuration changes (passed on by ifconfig) */
-static int stmmac_config(struct net_device *dev, struct ifmap *map)
-{
-	if (dev->flags & IFF_UP)	/* can't act on a running interface */
-		return -EBUSY;
-
-	/* Don't allow changing the I/O address */
-	if (map->base_addr != dev->base_addr) {
-		pr_warn("%s: can't change I/O address\n", dev->name);
-		return -EOPNOTSUPP;
-	}
-
-	/* Don't allow changing the IRQ */
-	if (map->irq != dev->irq) {
-		pr_warn("%s: not change IRQ number %d\n", dev->name, dev->irq);
-		return -EOPNOTSUPP;
-	}
-
-	return 0;
-}
-
 /**
  *  stmmac_set_rx_mode - entry point for multicast addressing
  *  @dev : pointer to the device structure
@@ -2600,7 +2579,6 @@ static const struct net_device_ops stmmac_netdev_ops = {
 	.ndo_set_rx_mode = stmmac_set_rx_mode,
 	.ndo_tx_timeout = stmmac_tx_timeout,
 	.ndo_do_ioctl = stmmac_ioctl,
-	.ndo_set_config = stmmac_config,
 #ifdef CONFIG_NET_POLL_CONTROLLER
 	.ndo_poll_controller = stmmac_poll_controller,
 #endif