[PATCH v3 10/31] media: staging: media: imx6-mipi-csi2: use devm_platform_ioremap_resource() simplify code

Frank Li posted 31 patches 1 month, 1 week ago
[PATCH v3 10/31] media: staging: media: imx6-mipi-csi2: use devm_platform_ioremap_resource() simplify code
Posted by Frank Li 1 month, 1 week ago
Use devm_platform_ioremap_resource() simplify code. No functional change.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
 drivers/staging/media/imx/imx6-mipi-csi2.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/media/imx/imx6-mipi-csi2.c b/drivers/staging/media/imx/imx6-mipi-csi2.c
index b04c1b98c088b8bfa66eb3f61cca8bb735b7eae4..7b8911bea3fad8187fafb1d0916d730fd6fa671c 100644
--- a/drivers/staging/media/imx/imx6-mipi-csi2.c
+++ b/drivers/staging/media/imx/imx6-mipi-csi2.c
@@ -738,7 +738,6 @@ static void csi2_nf_cleanup(void *data)
 static int csi2_probe(struct platform_device *pdev)
 {
 	struct csi2_dev *csi2;
-	struct resource *res;
 	int i, ret;
 
 	csi2 = devm_kzalloc(&pdev->dev, sizeof(*csi2), GFP_KERNEL);
@@ -772,15 +771,10 @@ static int csi2_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		v4l2_err(&csi2->sd, "failed to get platform resources\n");
-		return -ENODEV;
-	}
-
-	csi2->base = devm_ioremap(&pdev->dev, res->start, PAGE_SIZE);
-	if (!csi2->base)
-		return -ENOMEM;
+	csi2->base = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(csi2->base))
+		return dev_err_probe(&pdev->dev, -ENOMEM,
+				     "failed to get platform resources");
 
 	ret = devm_mutex_init(&pdev->dev, &csi2->lock);
 	if (ret)

-- 
2.34.1