linux-kernel - [PATCH] dmaengine: idma64: print error message on platform_get

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Message-ID: <20170630073403.GA24756@embeddedgus>
Date:   Fri, 30 Jun 2017 02:34:03 -0500
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     Vinod Koul <vinod.koul@...el.com>,
        Dan Williams <dan.j.williams@...el.com>
Cc:     dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>
Subject: [PATCH] dmaengine: idma64: print error message on platform_get_irq
 failure

Print error message on platform_get_irq failure before return.

Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
---
 drivers/dma/idma64.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/idma64.c b/drivers/dma/idma64.c
index 1953e57..08ade66 100644
--- a/drivers/dma/idma64.c
+++ b/drivers/dma/idma64.c
@@ -637,8 +637,10 @@ static int idma64_platform_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	chip->irq = platform_get_irq(pdev, 0);
-	if (chip->irq < 0)
+	if (chip->irq < 0) {
+		dev_err(dev, "failed to get IRQ: %d\n", chip->irq);
 		return chip->irq;
+	}
 
 	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	chip->regs = devm_ioremap_resource(dev, mem);
-- 
2.5.0