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FromNicolas Ferre <>
Subject[PATCH 3/6] dmaengine: at_hdmac: no need set ACK in new descriptor
DateWed, 12 Jan 2011 15:39:07 +0100
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>
---
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 a4dd4bc..4f83431 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;
--
1.7.3


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