linux-kernel - [PATCH v3 02/12] dmaengine: fsl-edma: clean up fsl_edma_irq

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Date:   Thu,  1 Jun 2023 10:40:57 -0400
From:   Frank Li <Frank.Li@....com>
To:     vkoul@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, dmaengine@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        peng.fan@....com, joy.zou@....com, shenwei.wang@....com,
        imx@...ts.linux.dev
Subject: [PATCH v3 02/12] dmaengine: fsl-edma: clean up fsl_edma_irq_exit()

In the probe function, devm_request_irq is now being used to automatically
manage IRQ. It eliminates the need for manual IRQ freeing during removal.

Signed-off-by: Frank Li <Frank.Li@....com>
Reviewed-by: Peng Fan <peng.fan@....com>
---
 drivers/dma/fsl-edma-main.c | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/drivers/dma/fsl-edma-main.c b/drivers/dma/fsl-edma-main.c
index e40769666e39..16305bb9a2ef 100644
--- a/drivers/dma/fsl-edma-main.c
+++ b/drivers/dma/fsl-edma-main.c
@@ -216,17 +216,6 @@ fsl_edma2_irq_init(struct platform_device *pdev,
 	return 0;
 }
 
-static void fsl_edma_irq_exit(
-		struct platform_device *pdev, struct fsl_edma_engine *fsl_edma)
-{
-	if (fsl_edma->txirq == fsl_edma->errirq) {
-		devm_free_irq(&pdev->dev, fsl_edma->txirq, fsl_edma);
-	} else {
-		devm_free_irq(&pdev->dev, fsl_edma->txirq, fsl_edma);
-		devm_free_irq(&pdev->dev, fsl_edma->errirq, fsl_edma);
-	}
-}
-
 static void fsl_disable_clocks(struct fsl_edma_engine *fsl_edma, int nr_clocks)
 {
 	int i;
@@ -427,7 +416,6 @@ static int 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);
 	fsl_edma_cleanup_vchan(&fsl_edma->dma_dev);
 	of_dma_controller_free(np);
 	dma_async_device_unregister(&fsl_edma->dma_dev);
-- 
2.34.1