Commit 58344f25 authored Jan 12, 2011 by Nicolas Ferre Committed by Dan Williams Jan 14, 2011

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>

parent ebcf9b80

drivers/dma/at_hdmac.c

+0 −1

Original line number	Original line	Diff line number	Diff line
	@@ -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->lli.ctrlb = ctrlb;

	desc->txd.cookie = 0;		desc->txd.cookie = 0;
	async_tx_ack(&desc->txd);

	if (!first) {		if (!first) {
	first = desc;		first = desc;