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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 /drivers/dma/dw_dmac.c
parent4aed79b2818e7330b5d00143e4c20bc6555df91f (diff)
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 'drivers/dma/dw_dmac.c')
-rw-r--r--drivers/dma/dw_dmac.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index 18fb5b41cedf..a3991ab0d67e 100644
--- a/drivers/dma/dw_dmac.c
+++ b/drivers/dma/dw_dmac.c
@@ -781,7 +781,8 @@ err_desc_get:
return NULL;
}
-static int dwc_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
+static int dwc_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
+ unsigned long arg)
{
struct dw_dma_chan *dwc = to_dw_dma_chan(chan);
struct dw_dma *dw = to_dw_dma(chan->device);