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DMA: shdma: add cyclic transfer support

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This patch add cyclic transfer support and enables dmaengine_prep_dma_cyclic()

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
[reflown changelog for readablity]
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Kuninori Morimoto
2014-04-02 20:17:00 -07:00
committed by Vinod Koul
parent 91ea74e9ec
commit dfbb85cab5
2 changed files with 66 additions and 7 deletions
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include/linux/shdma-base.h
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@@ -54,6 +54,7 @@ struct shdma_desc {
dma_cookie_t cookie;
int chunks;
int mark;
bool cyclic; /* used as cyclic transfer */
};
struct shdma_chan {