DMA: shdma: add cyclic transfer support
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>
diff --git a/include/linux/shdma-base.h b/include/linux/shdma-base.h
index f92c0a4..abdf1f2 100644
--- a/include/linux/shdma-base.h
+++ b/include/linux/shdma-base.h
@@ -54,6 +54,7 @@
dma_cookie_t cookie;
int chunks;
int mark;
+ bool cyclic; /* used as cyclic transfer */
};
struct shdma_chan {