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Message-Id: <1327589784-4287-3-git-send-email-g.liakhovetski@gmx.de>
Date:	Thu, 26 Jan 2012 15:56:19 +0100
From:	Guennadi Liakhovetski <g.liakhovetski@....de>
To:	linux-kernel@...r.kernel.org
Cc:	linux-sh@...r.kernel.org, Vinod Koul <vinod.koul@...el.com>,
	Magnus Damm <magnus.damm@...il.com>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
	linux-mmc@...r.kernel.org, alsa-devel@...a-project.org,
	linux-serial@...r.kernel.org, Paul Mundt <lethal@...ux-sh.org>
Subject: [PATCH 2/7 v2] dma: shdma: prepare for simple DMA conversion

By placing an anonymous union at the top of struct sh_dmae_slave we can
transparently prepare all drivers for the upcoming simple DMA conversion.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@....de>
---
 include/linux/sh_dma.h |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/include/linux/sh_dma.h b/include/linux/sh_dma.h
index 425450b..ed2aa1e 100644
--- a/include/linux/sh_dma.h
+++ b/include/linux/sh_dma.h
@@ -10,12 +10,16 @@
 #ifndef SH_DMA_H
 #define SH_DMA_H
 
-#include <linux/list.h>
+#include <linux/dma-simple.h>
 #include <linux/dmaengine.h>
+#include <linux/list.h>
 
 /* Used by slave DMA clients to request DMA to/from a specific peripheral */
 struct sh_dmae_slave {
-	unsigned int			slave_id; /* Set by the platform */
+	union {
+		unsigned int		slave_id; /* Set by the platform */
+		struct dma_simple_slave	simple_slave;
+	};
 	struct device			*dma_dev; /* Set by the platform */
 	const struct sh_dmae_slave_config	*config;  /* Set by the driver */
 };
-- 
1.7.2.5

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