[PATCH v2 5/5] media: staging: media: imx6-mipi-csi2: use devm_platform_ioremap_resource() simplify code

[Frank Li <Frank.Li@nxp.com>]

Use devm_platform_ioremap_resource() simplify code. No functional change.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
change in v4 (reset verson v2 because split to small serise)
- add Laurent Pinchart's review tags
- return PTR_ERR(csi2->base) directly.
---
 drivers/staging/media/imx/imx6-mipi-csi2.c | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/media/imx/imx6-mipi-csi2.c b/drivers/staging/media/imx/imx6-mipi-csi2.c
index 762f19ffd0858c952027afa8e0f36fc87246e1ea..3d8995dcc9132c1b92c36a65e55476e3ca2703ac 100644
--- a/drivers/staging/media/imx/imx6-mipi-csi2.c
+++ b/drivers/staging/media/imx/imx6-mipi-csi2.c
@@ -709,7 +709,6 @@ static int csi2_async_register(struct csi2_dev *csi2)
 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);
@@ -739,15 +738,9 @@ 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 PTR_ERR(csi2->base);
 
 	ret = devm_mutex_init(&pdev->dev, &csi2->lock);
 	if (ret)

-- 
2.34.1