drivers/dma/dmaengine.c: lower the priority of 'failed to get' dma channel message

commit 0eb5a35801df3c438ce3fc91310a415ea4452c00 upstream.

Do the same as commit a03a202e95fd ("dmaengine: failure to get a
specific DMA channel is not critical") to 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)
  ..

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[bwh: Backported to 3.2: also apply changes to this logging statement
 from commit 634332502366 ('dmaengine: Cleanup logging messages')]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index b48967b499da0bad30529501492def4695dc1f25..5991114837058e0d2c60be20cac320089a384ffe 100644 (file)
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -564,8 +564,8 @@ void dmaengine_get(void)
                                list_del_rcu(&device->global_node);
                                break;
                        } else if (err)
-                               pr_err("dmaengine: failed to get %s: (%d)\n",
-                                      dma_chan_name(chan), err);
+                               pr_debug("%s: failed to get %s: (%d)\n",
+                                      __func__, dma_chan_name(chan), err);
                }
        }