Messages in this thread Patch in this message | | | From | Nicolas Ferre <> | Subject | [PATCH 3/6] dmaengine: at_hdmac: no need set ACK in new descriptor | Date | Wed, 12 Jan 2011 15:39:07 +0100 |
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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> --- 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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