mtd: rawnand: orion: use devm_platform_ioremap_resource()

Convert platform_get_resource(), devm_ioremap_resource() to a single
call to devm_platform_ioremap_resource(), as this is exactly what this
function does.

Signed-off-by: Ye Xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/202302101723563685569@zte.com.cn

Author: Ye Xingchen

drivers/mtd/nand/raw/orion_nand.c

@@ -102,7 +102,6 @@ static int __init orion_nand_probe(struct platform_device *pdev)
 	struct mtd_info *mtd;
 	struct nand_chip *nc;
 	struct orion_nand_data *board;
-	struct resource *res;
 	void __iomem *io_base;
 	int ret = 0;
 	u32 val = 0;
@@ -119,8 +118,7 @@ static int __init orion_nand_probe(struct platform_device *pdev)
 	info->controller.ops = &orion_nand_ops;
 	nc->controller = &info->controller;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	io_base = devm_ioremap_resource(&pdev->dev, res);
+	io_base = devm_platform_ioremap_resource(pdev, 0);
 
 	if (IS_ERR(io_base))
 		return PTR_ERR(io_base);