Linux kernel and device drivers for NXP i.MX platforms
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From: Frank Li <Frank.Li@nxp.com>
To: Rob Herring <robh@kernel.org>,
	Saravana Kannan <saravanak@google.com>,
	 Vinod Koul <vkoul@kernel.org>, Shawn Guo <shawnguo@kernel.org>,
	 Sascha Hauer <s.hauer@pengutronix.de>,
	 Pengutronix Kernel Team <kernel@pengutronix.de>,
	 Fabio Estevam <festevam@gmail.com>
Cc: dmaengine@vger.kernel.org, devicetree@vger.kernel.org,
	 linux-kernel@vger.kernel.org, imx@lists.linux.dev,
	 linux-arm-kernel@lists.infradead.org,
	Shawn Guo <shawn.guo@freescale.com>,  Frank Li <Frank.Li@nxp.com>
Subject: [PATCH v2 13/13] dmaengine: fsl-qdma: Use dev_err_probe() to simplify code
Date: Thu, 15 Jan 2026 11:06:52 -0500	[thread overview]
Message-ID: <20260115-mxsdma-module-v2-13-0e1638939d03@nxp.com> (raw)
In-Reply-To: <20260115-mxsdma-module-v2-0-0e1638939d03@nxp.com>

Use dev_err_probe() to simplify code. No functional change.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
 drivers/dma/fsl-qdma.c | 47 +++++++++++++++++++----------------------------
 1 file changed, 19 insertions(+), 28 deletions(-)

diff --git a/drivers/dma/fsl-qdma.c b/drivers/dma/fsl-qdma.c
index 6ace5bf80c40be4226b17503fbe8caf8f08dd139..4c3a06653c909ce89677b66aa6a900c82c38a872 100644
--- a/drivers/dma/fsl-qdma.c
+++ b/drivers/dma/fsl-qdma.c
@@ -1127,22 +1127,19 @@ static int fsl_qdma_probe(struct platform_device *pdev)
 	struct device_node *np = pdev->dev.of_node;
 
 	ret = of_property_read_u32(np, "dma-channels", &chans);
-	if (ret) {
-		dev_err(&pdev->dev, "Can't get dma-channels.\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(&pdev->dev, ret,
+				     "Can't get dma-channels.\n");
 
 	ret = of_property_read_u32(np, "block-offset", &blk_off);
-	if (ret) {
-		dev_err(&pdev->dev, "Can't get block-offset.\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(&pdev->dev, ret,
+				     "Can't get block-offset.\n");
 
 	ret = of_property_read_u32(np, "block-number", &blk_num);
-	if (ret) {
-		dev_err(&pdev->dev, "Can't get block-number.\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(&pdev->dev, ret,
+				     "Can't get block-number.\n");
 
 	blk_num = min_t(int, blk_num, num_online_cpus());
 
@@ -1167,10 +1164,8 @@ static int fsl_qdma_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	ret = of_property_read_u32(np, "fsl,dma-queues", &queues);
-	if (ret) {
-		dev_err(&pdev->dev, "Can't get queues.\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(&pdev->dev, ret, "Can't get queues.\n");
 
 	fsl_qdma->desc_allocated = 0;
 	fsl_qdma->n_chans = chans;
@@ -1231,28 +1226,24 @@ static int fsl_qdma_probe(struct platform_device *pdev)
 	fsl_qdma->dma_dev.device_terminate_all = fsl_qdma_terminate_all;
 
 	ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(40));
-	if (ret) {
-		dev_err(&pdev->dev, "dma_set_mask failure.\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(&pdev->dev, ret, "dma_set_mask failure.\n");
 
 	platform_set_drvdata(pdev, fsl_qdma);
 
 	ret = fsl_qdma_reg_init(fsl_qdma);
-	if (ret) {
-		dev_err(&pdev->dev, "Can't Initialize the qDMA engine.\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(&pdev->dev, ret,
+				     "Can't Initialize the qDMA engine.\n");
 
 	ret = fsl_qdma_irq_init(pdev, fsl_qdma);
 	if (ret)
 		return ret;
 
 	ret = dma_async_device_register(&fsl_qdma->dma_dev);
-	if (ret) {
-		dev_err(&pdev->dev, "Can't register NXP Layerscape qDMA engine.\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(&pdev->dev, ret,
+				     "Can't register NXP Layerscape qDMA engine.\n");
 
 	return 0;
 }

-- 
2.34.1


      parent reply	other threads:[~2026-01-15 16:07 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-15 16:06 [PATCH v2 00/13] dmaegnine: freescale-dmas: small improvement Frank Li
2026-01-15 16:06 ` [PATCH v2 01/13] dmaengine: of_dma: Add devm_of_dma_controller_register() Frank Li
2026-01-15 16:06 ` [PATCH v2 02/13] dmaengine: mxs-dma: Fix missing return value from of_dma_controller_register() Frank Li
2026-01-15 16:06 ` [PATCH v2 03/13] dmaengine: mxs-dma: Use local dev variable in probe() Frank Li
2026-01-15 16:06 ` [PATCH v2 04/13] dmaengine: mxs-dma: Use dev_err_probe() to simplify code Frank Li
2026-01-15 16:06 ` [PATCH v2 05/13] dmaengine: mxs-dma: Use managed API devm_of_dma_controller_register() Frank Li
2026-01-15 16:06 ` [PATCH v2 06/13] dmaengine: mxs-dma: Add module license and description Frank Li
2026-01-15 16:06 ` [PATCH v2 07/13] dmaengine: mxs-dma: Turn MXS_DMA as tristate Frank Li
2026-01-15 16:06 ` [PATCH v2 08/13] dmaengine: imx-sdma: Use devm_clk_get_prepared() to simplify code Frank Li
2026-01-15 16:06 ` [PATCH v2 09/13] dmaengine: imx-sdma: Use managed API " Frank Li
2026-01-15 16:06 ` [PATCH v2 10/13] dmaengine: imx-sdma: Use dev_err_probe() " Frank Li
2026-01-15 16:06 ` [PATCH v2 11/13] dmaengine: fsl-edma: Use managed API dmaenginem_async_device_register() Frank Li
2026-01-15 16:06 ` [PATCH v2 12/13] dmaengine: fsl-edma: Use dev_err_probe() to simplify code Frank Li
2026-01-15 16:06 ` Frank Li [this message]

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