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authorDan Williams <dan.j.williams@intel.com>2009-02-18 14:48:26 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-02-18 15:37:55 -0800
commit287d859222e0adbc67666a6154aaf42d7d5bbb54 (patch)
treea3e00f7b42f91c0d00f9d5a8d79414939b3c566f /drivers/mmc/host/atmel-mci.c
parent9ccf3b5e8409927835c4d38cb2f380c9e4349e76 (diff)
atmel-mci: fix initialization of dma slave data
The conversion of atmel-mci to dma_request_channel missed the initialization of the channel dma_slave information. The filter_fn passed to dma_request_channel is responsible for initializing the channel's private data. This implementation has the additional benefit of enabling a generic client-channel data passing mechanism. Reviewed-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Acked-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/mmc/host/atmel-mci.c')
-rw-r--r--drivers/mmc/host/atmel-mci.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 76bfe16c09b1..2b1196e6142c 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -1548,9 +1548,10 @@ static bool filter(struct dma_chan *chan, void *slave)
{
struct dw_dma_slave *dws = slave;
- if (dws->dma_dev == chan->device->dev)
+ if (dws->dma_dev == chan->device->dev) {
+ chan->private = dws;
return true;
- else
+ } else
return false;
}
#endif