media: rc: ir-hix5hd2: 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 <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/rc/ir-hix5hd2.c

···
 {
 	struct rc_dev *rdev;
 	struct device *dev = &pdev->dev;
-	struct resource *res;
 	struct hix5hd2_ir_priv *priv;
 	struct device_node *node = pdev->dev.of_node;
 	const struct of_device_id *of_id;
···
 		priv->regmap = NULL;
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	priv->base = devm_ioremap_resource(dev, res);
+	priv->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(priv->base))
 		return PTR_ERR(priv->base);