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| author | Dan Williams <dan.j.williams@intel.com> | 2009-02-18 14:48:26 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-02-18 15:37:55 -0800 |
| commit | 287d859222e0adbc67666a6154aaf42d7d5bbb54 (patch) | |
| tree | a3e00f7b42f91c0d00f9d5a8d79414939b3c566f /include | |
| parent | 9ccf3b5e8409927835c4d38cb2f380c9e4349e76 (diff) | |
| download | linux-stable-287d859222e0adbc67666a6154aaf42d7d5bbb54.tar.gz linux-stable-287d859222e0adbc67666a6154aaf42d7d5bbb54.tar.bz2 linux-stable-287d859222e0adbc67666a6154aaf42d7d5bbb54.zip | |
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 'include')
| -rw-r--r-- | include/linux/dmaengine.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 3e68469c1885..f0413845f20e 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -121,6 +121,7 @@ struct dma_chan_percpu { * @local: per-cpu pointer to a struct dma_chan_percpu * @client-count: how many clients are using this channel * @table_count: number of appearances in the mem-to-mem allocation table + * @private: private data for certain client-channel associations */ struct dma_chan { struct dma_device *device; @@ -134,6 +135,7 @@ struct dma_chan { struct dma_chan_percpu *local; int client_count; int table_count; + void *private; }; /** |