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/txx9dmac.c b/drivers/dma/txx9dmac.c
index e523737..d02edb0 100644
--- a/drivers/dma/txx9dmac.c
+++ b/drivers/dma/txx9dmac.c
@@ -938,7 +938,8 @@
return &first->txd;
}
-static int txx9dmac_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd)
+static int txx9dmac_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
+ unsigned long arg)
{
struct txx9dmac_chan *dc = to_txx9dmac_chan(chan);
struct txx9dmac_desc *desc, *_desc;