mmc: tmio: convert to devm_platform_ioremap_resource

Use devm_platform_ioremap_resource() to simplify code.
Signed-off-by: NYangtao Li <tiny.windzz@gmail.com>
Reviewed-by: NWolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: NWolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20191215175120.3290-2-tiny.windzz@gmail.comSigned-off-by: NUlf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/tmio_mmc_core.c

@@ -1109,12 +1109,10 @@ struct tmio_mmc_host *tmio_mmc_host_alloc(struct platform_device *pdev,
 {
 	struct tmio_mmc_host *host;
 	struct mmc_host *mmc;
-	struct resource *res;
 	void __iomem *ctl;
 	int ret;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	ctl = devm_ioremap_resource(&pdev->dev, res);
+	ctl = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(ctl))
 		return ERR_CAST(ctl);