sh_eth: Use devm_platform_get_and_ioremap_resource()

Use devm_platform_get_and_ioremap_resource() to simplify
code.
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>
Reviewed-by: NSergei Shtylyov <sergei.shtylyov@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/renesas/sh_eth.c

@@ -3225,9 +3225,6 @@ static int sh_eth_drv_probe(struct platform_device *pdev)
 	struct net_device *ndev;
 	int ret;
 
-	/* get base addr */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
 	ndev = alloc_etherdev(sizeof(struct sh_eth_private));
 	if (!ndev)
 		return -ENOMEM;
@@ -3245,7 +3242,7 @@ static int sh_eth_drv_probe(struct platform_device *pdev)
 	mdp = netdev_priv(ndev);
 	mdp->num_tx_ring = TX_RING_SIZE;
 	mdp->num_rx_ring = RX_RING_SIZE;
-	mdp->addr = devm_ioremap_resource(&pdev->dev, res);
+	mdp->addr = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(mdp->addr)) {
 		ret = PTR_ERR(mdp->addr);
 		goto out_release;