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dmaengine: at_hdmac: no need set ACK in new descriptor

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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>
This commit is contained in:
Nicolas Ferre 2011-01-12 15:39:07 +01:00 committed by Dan Williams
parent ebcf9b80f9
commit 58344f25cf
1 changed files with 0 additions and 1 deletions
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drivers/dma/at_hdmac.c
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@ -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;