releases/3.6.2/drivers-dma-dmaengine.c-lower-the-priority-of-failed-to-get-dma-channel-message.patch

   1 From 0eb5a35801df3c438ce3fc91310a415ea4452c00 Mon Sep 17 00:00:00 2001
   2 From: Fabio Estevam <fabio.estevam@freescale.com>
   3 Date: Thu, 4 Oct 2012 17:11:16 -0700
   4 Subject: drivers/dma/dmaengine.c: lower the priority of 'failed to get' dma channel message
   5
   6 From: Fabio Estevam <fabio.estevam@freescale.com>
   7
   8 commit 0eb5a35801df3c438ce3fc91310a415ea4452c00 upstream.
   9
  10 Do the same as commit a03a202e95fd ("dmaengine: failure to get a
  11 specific DMA channel is not critical") to get rid of the following
  12 messages during kernel boot:
  13
  14   dmaengine_get: failed to get dma1chan0: (-22)
  15   dmaengine_get: failed to get dma1chan1: (-22)
  16   dmaengine_get: failed to get dma1chan2: (-22)
  17   dmaengine_get: failed to get dma1chan3: (-22)
  18   ..
  19
  20 Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
  21 Cc: Vinod Koul <vinod.koul@intel.com>
  22 Cc: Dan Williams <dan.j.williams@intel.com>
  23 Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
  24 Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  25 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  26
  27 ---
  28  drivers/dma/dmaengine.c |    2 +-
  29  1 file changed, 1 insertion(+), 1 deletion(-)
  30
  31 --- a/drivers/dma/dmaengine.c
  32 +++ b/drivers/dma/dmaengine.c
  33 @@ -582,7 +582,7 @@ void dmaengine_get(void)
  34                                 list_del_rcu(&device->global_node);
  35                                 break;
  36                         } else if (err)
  37 -                               pr_err("%s: failed to get %s: (%d)\n",
  38 +                               pr_debug("%s: failed to get %s: (%d)\n",
  39                                        __func__, dma_chan_name(chan), err);
  40                 }
  41         }