net: enetc: Use devm_platform_get_and_ioremap_resource()

Use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/freescale/enetc/enetc_ierb.c

@@ -99,15 +99,13 @@ EXPORT_SYMBOL(enetc_ierb_register_pf);
 static int enetc_ierb_probe(struct platform_device *pdev)
 {
 	struct enetc_ierb *ierb;
-	struct resource *res;
 	void __iomem *regs;
 
 	ierb = devm_kzalloc(&pdev->dev, sizeof(*ierb), GFP_KERNEL);
 	if (!ierb)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	regs = devm_ioremap_resource(&pdev->dev, res);
+	regs = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
 	if (IS_ERR(regs))
 		return PTR_ERR(regs);