linux-kernel - [PATCH] dmaengine: sf-pdma: fix platform_get

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Message-Id: <20220302032139.5416-1-hanyihao@vivo.com>
Date:   Tue,  1 Mar 2022 19:21:39 -0800
From:   Yihao Han <hanyihao@...o.com>
To:     Green Wan <green.wan@...ive.com>, Vinod Koul <vkoul@...nel.org>,
        dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     kernel@...o.com, Yihao Han <hanyihao@...o.com>
Subject: [PATCH] dmaengine: sf-pdma: fix platform_get_irq.cocci warning

Remove dev_err() messages after platform_get_irq*() failures.
platform_get_irq() already prints an error.

Generated by: scripts/coccinelle/api/platform_get_irq.cocci

Signed-off-by: Yihao Han <hanyihao@...o.com>
---
 drivers/dma/sf-pdma/sf-pdma.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/dma/sf-pdma/sf-pdma.c b/drivers/dma/sf-pdma/sf-pdma.c
index f12606aeff87..c2e40849f2aa 100644
--- a/drivers/dma/sf-pdma/sf-pdma.c
+++ b/drivers/dma/sf-pdma/sf-pdma.c
@@ -389,10 +389,8 @@ static int sf_pdma_irq_init(struct platform_device *pdev, struct sf_pdma *pdma)
 		chan = &pdma->chans[i];
 
 		irq = platform_get_irq(pdev, i * 2);
-		if (irq < 0) {
-			dev_err(&pdev->dev, "ch(%d) Can't get done irq.\n", i);
+		if (irq < 0)
 			return -EINVAL;
-		}
 
 		r = devm_request_irq(&pdev->dev, irq, sf_pdma_done_isr, 0,
 				     dev_name(&pdev->dev), (void *)chan);
@@ -404,10 +402,8 @@ static int sf_pdma_irq_init(struct platform_device *pdev, struct sf_pdma *pdma)
 		chan->txirq = irq;
 
 		irq = platform_get_irq(pdev, (i * 2) + 1);
-		if (irq < 0) {
-			dev_err(&pdev->dev, "ch(%d) Can't get err irq.\n", i);
+		if (irq < 0)
 			return -EINVAL;
-		}
 
 		r = devm_request_irq(&pdev->dev, irq, sf_pdma_err_isr, 0,
 				     dev_name(&pdev->dev), (void *)chan);
-- 
2.17.1