media: cadence: 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>
Acked-by: Maxime Ripard <maxime@cerno.tech>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/platform/cadence/cdns-csi2rx.c

@@ -279,13 +279,11 @@ static const struct v4l2_async_notifier_operations csi2rx_notifier_ops = {
 static int csi2rx_get_resources(struct csi2rx_priv *csi2rx,
 				struct platform_device *pdev)
 {
-	struct resource *res;
 	unsigned char i;
 	u32 dev_cfg;
 	int ret;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	csi2rx->base = devm_ioremap_resource(&pdev->dev, res);
+	csi2rx->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(csi2rx->base))
 		return PTR_ERR(csi2rx->base);
 

drivers/media/platform/cadence/cdns-csi2tx.c

@@ -433,13 +433,11 @@ static const struct v4l2_subdev_ops csi2tx_subdev_ops = {
 static int csi2tx_get_resources(struct csi2tx_priv *csi2tx,
 				struct platform_device *pdev)
 {
-	struct resource *res;
 	unsigned int i;
 	u32 dev_cfg;
 	int ret;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	csi2tx->base = devm_ioremap_resource(&pdev->dev, res);
+	csi2tx->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(csi2tx->base))
 		return PTR_ERR(csi2tx->base);