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authorLinus Walleij <linus.walleij@stericsson.com>2010-05-17 16:30:42 -0700
committerDan Williams <dan.j.williams@intel.com>2010-05-17 16:30:42 -0700
commit058276303dbc4ed089c1f7dad0871810b1f5ddf1 (patch)
treedf26ff701721b2a91d61bd29e48bad7cbcedd746 /include/linux/dmaengine.h
parent4aed79b2818e7330b5d00143e4c20bc6555df91f (diff)
downloadop-kernel-dev-058276303dbc4ed089c1f7dad0871810b1f5ddf1.zip
op-kernel-dev-058276303dbc4ed089c1f7dad0871810b1f5ddf1.tar.gz
DMAENGINE: extend the control command to include an arg
This adds an argument to the DMAengine control function, so that we can later provide control commands that need some external data passed in through an argument akin to the ioctl() operation prototype. [dan.j.williams@intel.com: fix up some missed conversions] Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'include/linux/dmaengine.h')
-rw-r--r--include/linux/dmaengine.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 50b7b3e..1745657 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -347,7 +347,8 @@ struct dma_device {
struct dma_chan *chan, struct scatterlist *sgl,
unsigned int sg_len, enum dma_data_direction direction,
unsigned long flags);
- int (*device_control)(struct dma_chan *chan, enum dma_ctrl_cmd cmd);
+ int (*device_control)(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
+ unsigned long arg);
enum dma_status (*device_tx_status)(struct dma_chan *chan,
dma_cookie_t cookie,
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