diff options
| author |   Nicolas Ferre <nicolas.ferre@atmel.com> | 2011-01-12 15:39:07 +0100 |
|---|---|---|
| committer |   Dan Williams <dan.j.williams@intel.com> | 2011-01-14 16:54:43 -0800 |
| commit | 58344f25cf5f3453bfcf4b845ea9ec71153e45c3 (patch) | |
| tree | 7c2f6dd1a59f48c797635de84297c6e6c5e7dc5c /drivers | |
| parent | dmaengine: at_hdmac: trivial add precision to unmapping comment (diff) | |
| download | linux-dev-58344f25cf5f3453bfcf4b845ea9ec71153e45c3.tar.xz linux-dev-58344f25cf5f3453bfcf4b845ea9ec71153e45c3.zip | |
dmaengine: at_hdmac: no need set ACK in new descriptor
Following descriptor flow in at_hdmac driver, descriptor comming from
atc_desc_get() as already DMA_CTRL_ACK flag set. No need to set it again.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/dma/at_hdmac.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index 73a470b4809b..c6ddd6ffb8f3 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -583,7 +583,6 @@ atc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, desc->lli.ctrlb = ctrlb; desc->txd.cookie = 0; - async_tx_ack(&desc->txd); if (!first) { first = desc; |