From e6d32f1839e7b3b3d913325af2d5a5f0f96cb96a Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Wed, 2 Apr 2014 20:17:00 -0700
Subject: 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>

(cherry picked from commit dfbb85cab5f0819d0424a3637b03e7892704fa42)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 include/linux/shdma-base.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include')

diff --git a/include/linux/shdma-base.h b/include/linux/shdma-base.h
index f92c0a43c54c..abdf1f229dc3 100644
--- a/include/linux/shdma-base.h
+++ b/include/linux/shdma-base.h
@@ -54,6 +54,7 @@ struct shdma_desc {
 	dma_cookie_t cookie;
 	int chunks;
 	int mark;
+	bool cyclic;			/* used as cyclic transfer */
 };
 
 struct shdma_chan {
-- 
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