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(parent: 944ea4d) | patch
dma: sh: Don't use ENODEV for failing slave lookup
authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Wed, 28 Nov 2012 06:49:47 +0000 (06:49 +0000)
committerVinod Koul <vinod.koul@intel.com>
Tue, 8 Jan 2013 06:05:06 +0000 (22:05 -0800)
commit7c1119bdd650fa58dad8157bc75c5fcf6ed97843
treef0694e33203d6c7f8db1f0904702a66480c3779btree | snapshot (tar.gz zip)
parent944ea4dd38b8575e30a5699633c81945bff1864dcommit | diff
dma: sh: Don't use ENODEV for failing slave lookup

If dmaengine driver's .device_alloc_chan_resources() method returns -ENODEV,
dma_request_channel() will decide, that the driver has been removed and will
remove the device from its list. To prevent this use ENXIO if a slave lookup
fails.

Reported-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: stable@vger.kernel.org
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
drivers/dma/sh/shdma.c diff | blob | blame | history