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 11/13] dmaengine: fsl-edma: Use managed API dmaenginem_async_device_register()
Date: Thu, 15 Jan 2026 11:06:50 -0500	[thread overview]
Message-ID: <20260115-mxsdma-module-v2-11-0e1638939d03@nxp.com> (raw)
In-Reply-To: <20260115-mxsdma-module-v2-0-0e1638939d03@nxp.com>

Use managed API dmaenginem_async_device_register() and
devm_of_dma_controller_register() to simple code.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
 drivers/dma/fsl-edma-main.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/dma/fsl-edma-main.c b/drivers/dma/fsl-edma-main.c
index a753b7cbfa7a3369d17314bc5bc9139c9f8e5c27..c0305fd2ec06c41dfa8396bad6bfc225fd3861f0 100644
--- a/drivers/dma/fsl-edma-main.c
+++ b/drivers/dma/fsl-edma-main.c
@@ -882,20 +882,19 @@ static int fsl_edma_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, fsl_edma);
 
-	ret = dma_async_device_register(&fsl_edma->dma_dev);
+	ret = dmaenginem_async_device_register(&fsl_edma->dma_dev);
 	if (ret) {
 		dev_err(&pdev->dev,
 			"Can't register Freescale eDMA engine. (%d)\n", ret);
 		return ret;
 	}
 
-	ret = of_dma_controller_register(np,
+	ret = devm_of_dma_controller_register(&pdev->dev, np,
 			drvdata->dmamuxs ? fsl_edma_xlate : fsl_edma3_xlate,
 			fsl_edma);
 	if (ret) {
 		dev_err(&pdev->dev,
 			"Can't register Freescale eDMA of_dma. (%d)\n", ret);
-		dma_async_device_unregister(&fsl_edma->dma_dev);
 		return ret;
 	}
 
@@ -908,12 +907,9 @@ static int fsl_edma_probe(struct platform_device *pdev)
 
 static void fsl_edma_remove(struct platform_device *pdev)
 {
-	struct device_node *np = pdev->dev.of_node;
 	struct fsl_edma_engine *fsl_edma = platform_get_drvdata(pdev);
 
 	fsl_edma_irq_exit(pdev, fsl_edma);
-	of_dma_controller_free(np);
-	dma_async_device_unregister(&fsl_edma->dma_dev);
 	fsl_edma_cleanup_vchan(&fsl_edma->dma_dev);
 	fsl_disable_clocks(fsl_edma, fsl_edma->drvdata->dmamuxs);
 }

-- 
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 ` Frank Li [this message]
2026-01-15 16:06 ` [PATCH v2 12/13] dmaengine: fsl-edma: " Frank Li
2026-01-15 16:06 ` [PATCH v2 13/13] dmaengine: fsl-qdma: " Frank Li

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