linux-kernel - [PATCH] dma: dmaengine: Lower the priority of 'failed to get' dma channel message

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Message-ID: <1337634122-26712-1-git-send-email-fabio.estevam@freescale.com>
Date:	Mon, 21 May 2012 18:02:02 -0300
From:	Fabio Estevam <fabio.estevam@...escale.com>
To:	unlisted-recipients:; (no To-header on input)
CC:	<vinod.koul@...el.com>, <linux-kernel@...r.kernel.org>,
	<g.liakhovetski@....de>,
	Fabio Estevam <fabio.estevam@...escale.com>
Subject: [PATCH] dma: dmaengine: Lower the priority of 'failed to get' dma channel message

Do the same as commit a03a202e9 (dmaengine: failure to get a specific DMA channel is not critical) 
and get rid of the following messages during kernel boot:

dmaengine_get: failed to get dma1chan0: (-22)
dmaengine_get: failed to get dma1chan1: (-22)
dmaengine_get: failed to get dma1chan2: (-22)
dmaengine_get: failed to get dma1chan3: (-22)
dmaengine_get: failed to get dma1chan4: (-22)
dmaengine_get: failed to get dma1chan5: (-22)
dmaengine_get: failed to get dma1chan6: (-22)
dmaengine_get: failed to get dma1chan7: (-22)
dmaengine_get: failed to get dma1chan8: (-22)
dmaengine_get: failed to get dma1chan9: (-22)
dmaengine_get: failed to get dma1chan10: (-22)
dmaengine_get: failed to get dma1chan11: (-22)
dmaengine_get: failed to get dma1chan12: (-22)
dmaengine_get: failed to get dma1chan13: (-22)
dmaengine_get: failed to get dma1chan14: (-22)
dmaengine_get: failed to get dma1chan15: (-22)
dmaengine_get: failed to get dma1chan16: (-22)
dmaengine_get: failed to get dma1chan17: (-22)
dmaengine_get: failed to get dma1chan18: (-22)
dmaengine_get: failed to get dma1chan19: (-22)
dmaengine_get: failed to get dma1chan20: (-22)
dmaengine_get: failed to get dma1chan21: (-22)
dmaengine_get: failed to get dma1chan22: (-22)
dmaengine_get: failed to get dma1chan23: (-22)
dmaengine_get: failed to get dma1chan24: (-22)
dmaengine_get: failed to get dma1chan25: (-22)
dmaengine_get: failed to get dma1chan26: (-22)
dmaengine_get: failed to get dma1chan27: (-22)
dmaengine_get: failed to get dma1chan28: (-22)
dmaengine_get: failed to get dma1chan29: (-22)

Signed-off-by: Fabio Estevam <fabio.estevam@...escale.com>
---
 drivers/dma/dmaengine.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 2397f6f..6c87d67 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -578,7 +578,7 @@ void dmaengine_get(void)
 				list_del_rcu(&device->global_node);
 				break;
 			} else if (err)
-				pr_err("%s: failed to get %s: (%d)\n",
+				pr_debug("%s: failed to get %s: (%d)\n",
 					__func__, dma_chan_name(chan), err);
 		}
 	}
-- 
1.7.1


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