linux-kernel - [PATCH 04/13] dmaengine: mxs-dma: Use dev_err

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Message-Id: <20260114-mxsdma-module-v1-4-9b2a9eaa4226@nxp.com>
Date: Wed, 14 Jan 2026 17:33:16 -0500
From: Frank Li <Frank.Li@....com>
To: Rob Herring <robh@...nel.org>, Saravana Kannan <saravanak@...gle.com>, 
 Vinod Koul <vkoul@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>
Cc: dmaengine@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, imx@...ts.linux.dev, 
 linux-arm-kernel@...ts.infradead.org, Shawn Guo <shawn.guo@...escale.com>, 
 Frank Li <Frank.Li@....com>
Subject: [PATCH 04/13] dmaengine: mxs-dma: Use dev_err_probe() simple code

Use dev_err_probe() simple code. No functional change.

Signed-off-by: Frank Li <Frank.Li@....com>
---
 drivers/dma/mxs-dma.c | 20 +++++++-------------
 1 file changed, 7 insertions(+), 13 deletions(-)

diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
index dbc8747de591cc83e39ef873633418f41b5ea982..c1d4c6690df1af476aeafe77ff7f78bff1e413f1 100644
--- a/drivers/dma/mxs-dma.c
+++ b/drivers/dma/mxs-dma.c
@@ -753,10 +753,8 @@ static int mxs_dma_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	ret = of_property_read_u32(np, "dma-channels", &mxs_dma->nr_channels);
-	if (ret) {
-		dev_err(dev, "failed to read dma-channels\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "failed to read dma-channels\n");
 
 	dma_type = (struct mxs_dma_type *)of_device_get_match_data(dev);
 	mxs_dma->type = dma_type->type;
@@ -816,17 +814,13 @@ static int mxs_dma_probe(struct platform_device *pdev)
 	mxs_dma->dma_device.device_issue_pending = mxs_dma_enable_chan;
 
 	ret = dmaenginem_async_device_register(&mxs_dma->dma_device);
-	if (ret) {
-		dev_err(dev, "unable to register\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "unable to register\n");
 
 	ret = of_dma_controller_register(np, mxs_dma_xlate, mxs_dma);
-	if (ret) {
-		dev_err(dev,
-			"failed to register controller\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret,
+				     "failed to register controller\n");
 
 	dev_info(mxs_dma->dma_device.dev, "initialized\n");
 

-- 
2.34.1