diff options
| -rw-r--r-- | drivers/dma/mv_xor.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c index 97c8611f5ff..f450fe8cbd6 100644 --- a/drivers/dma/mv_xor.c +++ b/drivers/dma/mv_xor.c @@ -1070,6 +1070,14 @@ out: return err; } +/* This driver does not implement any of the optional DMA operations. */ +static int +mv_xor_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, + unsigned long arg) +{ + return -ENOSYS; +} + static int mv_xor_channel_remove(struct mv_xor_chan *mv_chan) { struct dma_chan *chan, *_chan; @@ -1130,6 +1138,7 @@ mv_xor_channel_add(struct mv_xor_device *xordev, dma_dev->device_free_chan_resources = mv_xor_free_chan_resources; dma_dev->device_tx_status = mv_xor_status; dma_dev->device_issue_pending = mv_xor_issue_pending; + dma_dev->device_control = mv_xor_control; dma_dev->dev = &pdev->dev; /* set prep routines based on capability */ |