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dma: shdma: prepare for conversion to the shdma base library

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By placing an anonymous union at the top of struct sh_dmae_slave we can
transparently prepare all device and client drivers for the upcoming
shdma-base conversion.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
This commit is contained in:
Guennadi Liakhovetski 2012-05-09 17:09:14 +02:00 • committed by Vinod Koul
parent 9a7b8e002e
commit 5902c9a7a2
1 changed files with 6 additions and 2 deletions
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8
include/linux/sh_dma.h
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@ -10,12 +10,16 @@
#ifndef SH_DMA_H #ifndef SH_DMA_H
#define SH_DMA_H #define SH_DMA_H
#include <linux/list.h>
#include <linux/dmaengine.h> #include <linux/dmaengine.h>
#include <linux/list.h>
#include <linux/shdma-base.h>
/* Used by slave DMA clients to request DMA to/from a specific peripheral */ /* Used by slave DMA clients to request DMA to/from a specific peripheral */
struct sh_dmae_slave { struct sh_dmae_slave {
unsigned int slave_id; /* Set by the platform */ union {
unsigned int slave_id; /* Set by the platform */
struct shdma_slave shdma_slave;
};
struct device *dma_dev; /* Set by the platform */ struct device *dma_dev; /* Set by the platform */
const struct sh_dmae_slave_config *config; /* Set by the driver */ const struct sh_dmae_slave_config *config; /* Set by the driver */
}; };