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| author |   Vinod Koul <vinod.koul@linux.intel.com> | 2012-05-11 11:48:21 +0530 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@linux.intel.com> | 2012-05-15 08:43:40 +0530 |
| commit | d41160524d8d8ee721296e5c7e15f1ed727df7eb (patch) | |
| tree | 49328b29bbcd95acbfd94556ea748315c2851053 /drivers/dma/at_hdmac.c | |
| parent | dmaengine: pl330: dont complete descriptor for cyclic dma (diff) | |
| download | linux-dev-d41160524d8d8ee721296e5c7e15f1ed727df7eb.tar.xz linux-dev-d41160524d8d8ee721296e5c7e15f1ed727df7eb.zip | |
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>
Diffstat (limited to 'drivers/dma/at_hdmac.c')
| -rw-r--r-- | drivers/dma/at_hdmac.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index 445fdf811695..bf0d7e4e345b 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -245,7 +245,9 @@ atc_chain_complete(struct at_dma_chan *atchan, struct at_desc *desc) dev_vdbg(chan2dev(&atchan->chan_common), "descriptor %u complete\n", txd->cookie); - dma_cookie_complete(txd); + /* 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 */ list_splice_init(&desc->tx_list, &atchan->free_list); |