linux-kernel - [PATCH] media: sunxi: Make use of the helper function devm_platform_ioremap

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Date:   Wed, 1 Sep 2021 13:56:53 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     Maxime Ripard <mripard@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Yong Deng <yong.deng@...ewell.com>,
        <linux-media@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-sunxi@...ts.linux.dev>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] 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@...du.com>
---
 drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c | 4 +---
 drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c | 4 +---
 drivers/media/platform/sunxi/sun8i-di/sun8i-di.c   | 4 +---
 3 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c b/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c
index 94e98e470aff..80a10f238bbe 100644
--- a/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c
+++ b/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);
 
diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c
index 4b8d66fec3cf..fc96921b0583 100644
--- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c
+++ b/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);
 
diff --git a/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c b/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c
index 671e4a928993..aa65d70b6270 100644
--- a/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c
+++ b/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);
 
-- 
2.25.1