dmaengine: shdma: Introduce include/linux/sh_dma.h

Create a common platform data header file for the
shdma dmaengine driver. This is done by moving
common structures from sh asm/dmaengine.h to
linux/sh_dma.h. DMA registers are also copied from
sh asm/dma-register.h to make the code architecture
independent.

The sh header file asm/dmaengine.h is still kept
with the slave id enum. This allows us to keep the
old processor specific code as is and slowly move
over to slave id enums in per-processor headers.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

2 files changed, 2 insertions, 4 deletions

diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index 83605389fb56..7a18b580f626 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -25,8 +25,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
-
-#include <asm/dmaengine.h>
+#include <linux/sh_dma.h>
 
 #include "shdma.h"
 
diff --git a/drivers/dma/shdma.h b/drivers/dma/shdma.h
index d7ddf6f47154..4021275a0a43 100644
--- a/drivers/dma/shdma.h
+++ b/drivers/dma/shdma.h
@@ -17,8 +17,7 @@
 #include <linux/interrupt.h>
 #include <linux/list.h>
 
-#include <asm/dmaengine.h>
-
+#define SH_DMAC_MAX_CHANNELS 6
 #define SH_DMA_SLAVE_NUMBER 256
 #define SH_DMA_TCR_MAX 0x00FFFFFF       /* 16MB */