mmc: sdhci-s3c: convert to devm_platform_ioremap_resource

Use devm_platform_ioremap_resource() to simplify code.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Link: https://lore.kernel.org/r/20191215175120.3290-4-tiny.windzz@gmail.comSigned-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/sdhci-s3c.c

@@ -480,7 +480,6 @@ static int sdhci_s3c_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct sdhci_host *host;
 	struct sdhci_s3c *sc;
-	struct resource *res;
 	int ret, irq, ptr, clks;
 
 	if (!pdev->dev.platform_data && !pdev->dev.of_node) {
@@ -553,8 +552,7 @@ static int sdhci_s3c_probe(struct platform_device *pdev)
 		goto err_no_busclks;
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	host->ioaddr = devm_ioremap_resource(&pdev->dev, res);
+	host->ioaddr = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(host->ioaddr)) {
 		ret = PTR_ERR(host->ioaddr);
 		goto err_req_regs;