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Commit d4116052 authored May 11, 2012 by Vinod Koul

dmaengine: fix cyclic dma usage



for cyclic dma, dont makr the descriptor as complte. Fix the remaining users of
cyclic dma which do so

Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Tested-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Tested-by: Mika Westerberg <mika.westerberg@iki.fi>

parent eab21585

drivers/dma/at_hdmac.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -245,6 +245,8 @@ atc_chain_complete(struct at_dma_chan atchan, struct at_desc desc)
		dev_vdbg(chan2dev(&atchan->chan_common),
		"descriptor %u complete\n", txd->cookie);

		/* mark the descriptor as complete for non cyclic cases only */
		if (!atc_chan_is_cyclic(atchan))
		dma_cookie_complete(txd);

		/* move children to free_list */

drivers/dma/ep93xx_dma.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -703,6 +703,8 @@ static void ep93xx_dma_tasklet(unsigned long data)
		desc = ep93xx_dma_get_active(edmac);
		if (desc) {
		if (desc->complete) {
		/* mark descriptor complete for non cyclic case only */
		if (!test_bit(EP93XX_DMA_IS_CYCLIC, &edmac->flags))
		dma_cookie_complete(&desc->txd);
		list_splice_init(&edmac->active, &list);
		}