diff options
| author | Alexandre Bounine <[email protected]> | 2016-08-02 14:06:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2016-08-02 19:35:35 -0400 |
| commit | f5485eb0b6eb8a3e5841cfea34a930822f7252bc (patch) | |
| tree | 1638a39773d96054e188a4d3f3c47812e3bf3818 | |
| parent | e519685de3e44bb013d81f5ead04ac4b33c9b3a1 (diff) | |
rapidio/tsi721_dma: advance queue processing from transfer submit call
Add advancing transfer queue immediately from transfer submit call. DMA
performance improvement: This will start transfer without waiting for
'issue_pending' command if there is no DMA transfer in progress.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Alexandre Bounine <[email protected]>
Cc: Matt Porter <[email protected]>
Cc: Andre van Herk <[email protected]>
Cc: Barry Wood <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | drivers/rapidio/devices/tsi721_dma.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/rapidio/devices/tsi721_dma.c b/drivers/rapidio/devices/tsi721_dma.c index 13c669bac019..e2a418598129 100644 --- a/drivers/rapidio/devices/tsi721_dma.c +++ b/drivers/rapidio/devices/tsi721_dma.c @@ -726,6 +726,7 @@ static dma_cookie_t tsi721_tx_submit(struct dma_async_tx_descriptor *txd) cookie = dma_cookie_assign(txd); desc->status = DMA_IN_PROGRESS; list_add_tail(&desc->desc_node, &bdma_chan->queue); + tsi721_advance_work(bdma_chan, NULL); spin_unlock_bh(&bdma_chan->lock); return cookie; |