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>
diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c
index 4233440..a724e6b 100644
--- a/drivers/dma/coh901318.c
+++ b/drivers/dma/coh901318.c
@@ -942,7 +942,7 @@
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 @@
}
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);