linux-kernel - [PATCH 2/8] dmaengine: fsl-edma: print error code in error messages.

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Message-Id: <1465321121-22238-3-git-send-email-peter.griffin@linaro.org>
Date:	Tue,  7 Jun 2016 18:38:35 +0100
From:	Peter Griffin <peter.griffin@...aro.org>
To:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	kernel@...inux.com, vinod.koul@...el.com, linus.walleij@...aro.org,
	dan.j.williams@...el.com, leoli@...escale.com, zw@...kernel.org,
	baohua@...nel.org, maxime.ripard@...e-electrons.com, wens@...e.org,
	ldewangan@...dia.com, jonathanh@...dia.com, swarren@...dotorg.org,
	thierry.reding@...il.com, gnurou@...il.com
Cc:	peter.griffin@...aro.org, lee.jones@...aro.org,
	dmaengine@...r.kernel.org, linux-tegra@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH 2/8] dmaengine: fsl-edma: print error code in error messages.

It is useful to print the error code as part of the error
message.

Signed-off-by: Peter Griffin <peter.griffin@...aro.org>
---
 drivers/dma/fsl-edma.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/dma/fsl-edma.c b/drivers/dma/fsl-edma.c
index 7208fc9..cc06eea 100644
--- a/drivers/dma/fsl-edma.c
+++ b/drivers/dma/fsl-edma.c
@@ -963,14 +963,16 @@ static int fsl_edma_probe(struct platform_device *pdev)
 
 	ret = dma_async_device_register(&fsl_edma->dma_dev);
 	if (ret) {
-		dev_err(&pdev->dev, "Can't register Freescale eDMA engine.\n");
+		dev_err(&pdev->dev,
+			"Can't register Freescale eDMA engine. (%d)\n", ret);
 		fsl_disable_clocks(fsl_edma);
 		return ret;
 	}
 
 	ret = of_dma_controller_register(np, fsl_edma_xlate, fsl_edma);
 	if (ret) {
-		dev_err(&pdev->dev, "Can't register Freescale eDMA of_dma.\n");
+		dev_err(&pdev->dev,
+			"Can't register Freescale eDMA of_dma. (%d)\n", ret);
 		dma_async_device_unregister(&fsl_edma->dma_dev);
 		fsl_disable_clocks(fsl_edma);
 		return ret;
-- 
1.9.1