media: sunxi: 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/sunxi/sun4i-csi/sun4i_csi.c

@@ -154,7 +154,6 @@ static int sun4i_csi_probe(struct platform_device *pdev)
 	struct v4l2_subdev *subdev;
 	struct video_device *vdev;
 	struct sun4i_csi *csi;
-	struct resource *res;
 	int ret;
 	int irq;
 
@@ -179,8 +178,7 @@ static int sun4i_csi_probe(struct platform_device *pdev)
 	media_device_init(&csi->mdev);
 	csi->v4l.mdev = &csi->mdev;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	csi->regs = devm_ioremap_resource(&pdev->dev, res);
+	csi->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(csi->regs))
 		return PTR_ERR(csi->regs);
 

drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c

@@ -833,13 +833,11 @@ static const struct regmap_config sun6i_csi_regmap_config = {
 static int sun6i_csi_resource_request(struct sun6i_csi_dev *sdev,
 				      struct platform_device *pdev)
 {
-	struct resource *res;
 	void __iomem *io_base;
 	int ret;
 	int irq;
 
-	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);
 

drivers/media/platform/sunxi/sun8i-di/sun8i-di.c

@@ -803,7 +803,6 @@ static int deinterlace_probe(struct platform_device *pdev)
 {
 	struct deinterlace_dev *dev;
 	struct video_device *vfd;
-	struct resource *res;
 	int irq, ret;
 
 	dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
@@ -825,8 +824,7 @@ static int deinterlace_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	dev->base = devm_ioremap_resource(&pdev->dev, res);
+	dev->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(dev->base))
 		return PTR_ERR(dev->base);