mmc: sh_mmcif: convert to devm_platform_ioremap_resource

Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: Yangtao Li <[e-mail]>
Reviewed-by: Wolfram Sang <[e-mail]>
Tested-by: Wolfram Sang <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Ulf Hansson <[e-mail]>

drivers/mmc/host/sh_mmcif.c

···
 	struct sh_mmcif_host *host;
 	struct device *dev = &pdev->dev;
 	struct sh_mmcif_plat_data *pd = dev->platform_data;
-	struct resource *res;
 	void __iomem *reg;
 	const char *name;
 
···
 	if (irq[0] < 0)
 		return -ENXIO;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	reg = devm_ioremap_resource(dev, res);
+	reg = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(reg))
 		return PTR_ERR(reg);