media: rc: mtk-cir: Make use of the helper function devm_platform_ioremap_resource()

Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/rc/mtk-cir.c

@@ -292,7 +292,6 @@ static int mtk_ir_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct device_node *dn = dev->of_node;
-	struct resource *res;
 	struct mtk_ir *ir;
 	u32 val;
 	int ret = 0;
@@ -320,8 +319,7 @@ static int mtk_ir_probe(struct platform_device *pdev)
 		ir->bus = ir->clk;
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	ir->base = devm_ioremap_resource(dev, res);
+	ir->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(ir->base))
 		return PTR_ERR(ir->base);