diff options
| author | Linus Walleij <linus.walleij@stericsson.com> | 2010-05-18 01:30:42 +0200 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2010-05-18 01:30:42 +0200 |
| commit | 058276303dbc4ed089c1f7dad0871810b1f5ddf1 (patch) | |
| tree | df26ff701721b2a91d61bd29e48bad7cbcedd746 /drivers/dma/at_hdmac.c | |
| parent | DMAENGINE: DMA40 fix for allocation of logical channel 0 (diff) | |
| download | linux-058276303dbc4ed089c1f7dad0871810b1f5ddf1.tar.xz linux-058276303dbc4ed089c1f7dad0871810b1f5ddf1.zip | |
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/at_hdmac.c')
| -rw-r--r-- | drivers/dma/at_hdmac.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index 93ed99c84cf1..ee805a43f879 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -759,7 +759,8 @@ err_desc_get: return NULL; } -static int atc_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd) +static int atc_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, + unsigned long arg) { struct at_dma_chan *atchan = to_at_dma_chan(chan); struct at_dma *atdma = to_at_dma(chan->device); |