diff options
Diffstat (limited to 'drivers/dma/timb_dma.c')
| -rw-r--r-- | drivers/dma/timb_dma.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/dma/timb_dma.c b/drivers/dma/timb_dma.c index 145f1c2..7c06471 100644 --- a/drivers/dma/timb_dma.c +++ b/drivers/dma/timb_dma.c @@ -613,7 +613,7 @@ static struct dma_async_tx_descriptor *td_prep_slave_sg(struct dma_chan *chan, return &td_desc->txd; } -static void td_terminate_all(struct dma_chan *chan) +static int td_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd) { struct timb_dma_chan *td_chan = container_of(chan, struct timb_dma_chan, chan); @@ -621,6 +621,9 @@ static void td_terminate_all(struct dma_chan *chan) dev_dbg(chan2dev(chan), "%s: Entry\n", __func__); + if (cmd != DMA_TERMINATE_ALL) + return -ENXIO; + /* first the easy part, put the queue into the free list */ spin_lock_bh(&td_chan->lock); list_for_each_entry_safe(td_desc, _td_desc, &td_chan->queue, @@ -630,6 +633,8 @@ static void td_terminate_all(struct dma_chan *chan) /* now tear down the runnning */ __td_finish(td_chan); spin_unlock_bh(&td_chan->lock); + + return 0; } static void td_tasklet(unsigned long data) @@ -743,7 +748,7 @@ static int __devinit td_probe(struct platform_device *pdev) dma_cap_set(DMA_SLAVE, td->dma.cap_mask); dma_cap_set(DMA_PRIVATE, td->dma.cap_mask); td->dma.device_prep_slave_sg = td_prep_slave_sg; - td->dma.device_terminate_all = td_terminate_all; + td->dma.device_control = td_control; td->dma.dev = &pdev->dev; |