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>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c
index 4233440741a2..a724e6be1b4d 100644
--- a/drivers/dma/coh901318.c
+++ b/drivers/dma/coh901318.c
@@ -942,7 +942,7 @@ coh901318_free_chan_resources(struct dma_chan *chan)
 
         spin_unlock_irqrestore(&cohc->lock, flags);
 
-        chan->device->device_control(chan, DMA_TERMINATE_ALL);
+        chan->device->device_control(chan, DMA_TERMINATE_ALL, 0);
 }
 
 
@@ -1176,7 +1176,8 @@ coh901318_issue_pending(struct dma_chan *chan)
 }
 
 static int
-coh901318_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
+coh901318_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
+                  unsigned long arg)
 {
         unsigned long flags;
         struct coh901318_chan *cohc = to_coh901318_chan(chan);