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From: Frank Li <Frank.Li@nxp.com>
To: Rui Miguel Silva <rmfrfs@gmail.com>,
	 Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	 Martin Kepplinger <martink@posteo.de>,
	Purism Kernel Team <kernel@puri.sm>,
	 Mauro Carvalho Chehab <mchehab@kernel.org>,
	Rob Herring <robh@kernel.org>,
	 Krzysztof Kozlowski <krzk+dt@kernel.org>,
	 Conor Dooley <conor+dt@kernel.org>,
	 Eugen Hristev <eugen.hristev@linaro.org>,
	Shawn Guo <shawnguo@kernel.org>,
	 Sascha Hauer <s.hauer@pengutronix.de>,
	 Pengutronix Kernel Team <kernel@pengutronix.de>,
	 Fabio Estevam <festevam@gmail.com>, Peng Fan <peng.fan@nxp.com>,
	 Alice Yuan <alice.yuan@nxp.com>, Vinod Koul <vkoul@kernel.org>,
	 Kishon Vijay Abraham I <kishon@kernel.org>,
	 Philipp Zabel <p.zabel@pengutronix.de>,
	 Steve Longerbeam <slongerbeam@gmail.com>,
	 Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-media@vger.kernel.org, devicetree@vger.kernel.org,
	 linux-kernel@vger.kernel.org, imx@lists.linux.dev,
	 linux-arm-kernel@lists.infradead.org,
	linux-phy@lists.infradead.org,  linux-staging@lists.linux.dev,
	Frank Li <Frank.Li@nxp.com>
Subject: [PATCH v3 10/31] media: staging: media: imx6-mipi-csi2: use devm_platform_ioremap_resource() simplify code
Date: Thu, 21 Aug 2025 16:15:45 -0400	[thread overview]
Message-ID: <20250821-95_cam-v3-10-c9286fbb34b9@nxp.com> (raw)
In-Reply-To: <20250821-95_cam-v3-0-c9286fbb34b9@nxp.com>

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


  parent reply	other threads:[~2025-08-21 20:17 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-21 20:15 [PATCH v3 00/31] media: add imx93 mipi/controller csi support Frank Li
2025-08-21 20:15 ` [PATCH v3 01/31] dt-bindings: media: add DW MIPI CSI-2 Host support Frank Li
2025-08-22 20:15   ` Rob Herring (Arm)
2025-08-21 20:15 ` [PATCH v3 02/31] media: v4l2-common: Add helper function v4l_get_required_align_by_bpp() Frank Li
2025-08-21 20:15 ` [PATCH v3 03/31] media: v4l2-common: Add helper function media_bus_fmt_to_csi2_(bpp|dt)() Frank Li
2025-08-21 20:15 ` [PATCH v3 04/31] media: staging: media: imx6-mipi-csi2: replace space with tab for alignment Frank Li
2025-08-21 20:15 ` [PATCH v3 05/31] media: staging: media: imx6-mipi-csi2: use devm_add_action_or_reset() to simplify code Frank Li
2025-08-21 20:15 ` [PATCH v3 06/31] media: staging: media: imx6-mipi-csi2: use devm_clk_bulk_get_all() to fetch clocks Frank Li
2025-08-21 20:15 ` [PATCH v3 07/31] media: staging: media: imx6-mipi-csi2: use devm_mutex_init() to simplify code Frank Li
2025-08-21 20:15 ` [PATCH v3 08/31] media: staging: media: imx6-mipi-csi2: use guard() " Frank Li
2025-08-21 20:15 ` [PATCH v3 09/31] media: staging: media: imx6-mipi-csi2: use register structure to match hardware Frank Li
2025-08-21 20:15 ` Frank Li [this message]
2025-08-21 20:15 ` [PATCH v3 11/31] media: staging: media: imx6-mipi-csi2: move probe part to imx6-csi2.c Frank Li
2025-08-21 20:15 ` [PATCH v3 12/31] media: staging: media: imx6-mipi-csi2: move sd imx6's specific initialization into imx6-sci2.c Frank Li
2025-08-21 20:15 ` [PATCH v3 13/31] media: staging: media: imx6-mipi-csi2: move csi2ipu_gasket_init() to imx6-csi2.c Frank Li
2025-08-21 20:15 ` [PATCH v3 14/31] media: staging: media: imx6-mipi-csi2: move number pad macro define into imx6-csi2.c Frank Li
2025-08-21 20:15 ` [PATCH v3 15/31] media: staging: media: imx6-mipi-csi2: move dphy init part to imx6-csi2.c Frank Li
2025-08-21 20:15 ` [PATCH v3 16/31] media: staging: media: imx6-mipi-csi2: use runtime_pm frame to control clks Frank Li
2025-08-21 20:15 ` [PATCH v3 17/31] media: synopsys: move imx6-mipi-csi2.c to synopsys/mipi-csi2.c Frank Li
2025-08-21 20:15 ` [PATCH v3 18/31] media: synopsys: csi2: Remove deprecated s_stream and use v4l2_subdev_pad_ops Frank Li
2025-08-21 20:15 ` [PATCH v3 19/31] media: synopsys: csi2: Add phy interface support Frank Li
2025-08-21 20:15 ` [PATCH v3 20/31] media: synopsys: csi2: Add basic v150* version register Frank Li
2025-08-21 20:15 ` [PATCH v3 21/31] media: synopsys: csi2: Add irq support to record error count Frank Li
2025-08-21 20:15 ` [PATCH v3 22/31] media: synopsys: csi2: Handle alignment requirement for width Frank Li
2025-08-21 20:15 ` [PATCH v3 23/31] media: synopsys: csi2: Add register prefix to register field definitions Frank Li
2025-08-21 20:15 ` [PATCH v3 24/31] media: synopsys: csi2: Add need_dphy_reset in config Frank Li
2025-08-21 20:16 ` [PATCH v3 25/31] media: synopsys: csi2: Add default simple dw_csi2_subdev_init_state Frank Li
2025-08-21 20:16 ` [PATCH v3 26/31] media: synopsys: csi2: Add v150 lane stop state register bit define Frank Li
2025-08-21 20:16 ` [PATCH v3 27/31] media: synopsys: csi2: use standard v4l2_subdev_get_fmt() function Frank Li
2025-08-21 20:16 ` [PATCH v3 28/31] media: synopsys: csi2: Add customize get_frame_desc() callback Frank Li
2025-08-21 20:16 ` [PATCH v3 29/31] media: synopsys: csi2: Add Image Pixel Interface (IPI) support for v150 Frank Li
2025-08-21 20:16 ` [PATCH v3 30/31] media: synopsys: csi2: Remove source pad connected check at dw_csi2_enable_streams() Frank Li
2025-08-21 20:16 ` [PATCH v3 31/31] media: synopsys: csi2: Add simple synopsys platform driver Frank Li

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