From: Frank Li <Frank.Li@nxp.com>
To: Steve Longerbeam <slongerbeam@gmail.com>,
Philipp Zabel <p.zabel@pengutronix.de>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>
Cc: imx@lists.linux.dev, linux-media@vger.kernel.org,
linux-staging@lists.linux.dev,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Frank Li <Frank.Li@nxp.com>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Subject: [PATCH 6/6] media: staging: media: imx6-mipi-csi2: use devm_platform_ioremap_resource() simplify code
Date: Fri, 07 Nov 2025 15:44:37 -0500 [thread overview]
Message-ID: <20251107-stage-csi2-cleanup-v1-6-5d42535243ac@nxp.com> (raw)
In-Reply-To: <20251107-stage-csi2-cleanup-v1-0-5d42535243ac@nxp.com>
Use devm_platform_ioremap_resource() simplify code. No functional change.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
change in v4
- 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 54e9491d3428686288a5bc9bb58a5a0a25aca696..3d590968483e4f70d284f8abe2e789a7f32e6728 100644
--- a/drivers/staging/media/imx/imx6-mipi-csi2.c
+++ b/drivers/staging/media/imx/imx6-mipi-csi2.c
@@ -711,7 +711,6 @@ 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);
@@ -745,15 +744,9 @@ 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
next prev parent reply other threads:[~2025-11-07 20:45 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-07 20:44 [PATCH 0/6] media: staging: media: imx6-mipi-csi2: trivial cleanup to prepare convert to common dw mipi csi2 Frank Li
2025-11-07 20:44 ` [PATCH 1/6] media: staging: media: imx6-mipi-csi2: replace space with tab for alignment Frank Li
2025-11-10 8:28 ` Philipp Zabel
2025-11-07 20:44 ` [PATCH 2/6] media: staging: media: imx6-mipi-csi2: use devm_add_action_or_reset() to simplify code Frank Li
2025-11-10 8:28 ` Philipp Zabel
2025-11-10 15:39 ` Frank Li
2025-11-07 20:44 ` [PATCH 3/6] media: staging: media: imx6-mipi-csi2: use devm_clk_bulk_get_all() to fetch clocks Frank Li
2025-11-10 8:22 ` Philipp Zabel
2025-11-10 15:20 ` Frank Li
2025-11-07 20:44 ` [PATCH 4/6] media: staging: media: imx6-mipi-csi2: use devm_mutex_init() to simplify code Frank Li
2025-11-10 8:23 ` Philipp Zabel
2025-11-07 20:44 ` [PATCH 5/6] media: staging: media: imx6-mipi-csi2: use guard() " Frank Li
2025-11-10 8:27 ` Philipp Zabel
2025-11-07 20:44 ` Frank Li [this message]
2025-11-10 7:59 ` [PATCH 6/6] media: staging: media: imx6-mipi-csi2: use devm_platform_ioremap_resource() " Philipp Zabel
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