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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-11-29 11:40:28 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-11-29 18:42:40 +0000
commitdcea83adc666061864b82c96e059dffe7268b512 (patch)
tree4882086842f53bee3f6c655e6a3283effd3fbdff /arch/arm/mach-imx
parentc72e005b099302b3c6bee8381396199b77b6dd4f (diff)
[ARM] Hide ISA DMA API when ISA_DMA_API is unset
When ISA_DMA_API is unset, we're not implementing the ISA DMA API, so there's no point in publishing the prototypes via asm/dma.h, nor including the machine dependent parts of that API. This allows us to remove a lot of mach/dma.h files which don't contain any useful code. Unfortunately though, some platforms put their own private non-ISA definitions into mach/dma.h, so we leave these behind and fix the appropriate #include statments. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-imx')
-rw-r--r--arch/arm/mach-imx/dma.c7
-rw-r--r--arch/arm/mach-imx/include/mach/imx-dma.h12
2 files changed, 12 insertions, 7 deletions
diff --git a/arch/arm/mach-imx/dma.c b/arch/arm/mach-imx/dma.c
index c10810c936b..1536583eece 100644
--- a/arch/arm/mach-imx/dma.c
+++ b/arch/arm/mach-imx/dma.c
@@ -28,10 +28,11 @@
#include <linux/interrupt.h>
#include <linux/errno.h>
+#include <asm/scatterlist.h>
#include <asm/system.h>
#include <asm/irq.h>
#include <mach/hardware.h>
-#include <asm/dma.h>
+#include <mach/dma.h>
#include <mach/imx-dma.h>
struct imx_dma_channel imx_dma_channels[IMX_DMA_CHANNELS];
@@ -138,7 +139,7 @@ imx_dma_setup_sg_base(imx_dmach_t dma_ch,
int
imx_dma_setup_single(imx_dmach_t dma_ch, dma_addr_t dma_address,
unsigned int dma_length, unsigned int dev_addr,
- dmamode_t dmamode)
+ unsigned int dmamode)
{
struct imx_dma_channel *imxdma = &imx_dma_channels[dma_ch];
@@ -223,7 +224,7 @@ imx_dma_setup_single(imx_dmach_t dma_ch, dma_addr_t dma_address,
int
imx_dma_setup_sg(imx_dmach_t dma_ch,
struct scatterlist *sg, unsigned int sgcount, unsigned int dma_length,
- unsigned int dev_addr, dmamode_t dmamode)
+ unsigned int dev_addr, unsigned int dmamode)
{
int res;
struct imx_dma_channel *imxdma = &imx_dma_channels[dma_ch];
diff --git a/arch/arm/mach-imx/include/mach/imx-dma.h b/arch/arm/mach-imx/include/mach/imx-dma.h
index 44d89c35539..bbe54df7f0d 100644
--- a/arch/arm/mach-imx/include/mach/imx-dma.h
+++ b/arch/arm/mach-imx/include/mach/imx-dma.h
@@ -18,7 +18,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#include <asm/dma.h>
+#include <mach/dma.h>
#ifndef __ASM_ARCH_IMX_DMA_H
#define __ASM_ARCH_IMX_DMA_H
@@ -48,7 +48,7 @@ struct imx_dma_channel {
void (*irq_handler) (int, void *);
void (*err_handler) (int, void *, int errcode);
void *data;
- dmamode_t dma_mode;
+ unsigned int dma_mode;
struct scatterlist *sg;
unsigned int sgbc;
unsigned int sgcount;
@@ -66,14 +66,18 @@ extern struct imx_dma_channel imx_dma_channels[IMX_DMA_CHANNELS];
/* The type to distinguish channel numbers parameter from ordinal int type */
typedef int imx_dmach_t;
+#define DMA_MODE_READ 0
+#define DMA_MODE_WRITE 1
+#define DMA_MODE_MASK 1
+
int
imx_dma_setup_single(imx_dmach_t dma_ch, dma_addr_t dma_address,
- unsigned int dma_length, unsigned int dev_addr, dmamode_t dmamode);
+ unsigned int dma_length, unsigned int dev_addr, unsigned int dmamode);
int
imx_dma_setup_sg(imx_dmach_t dma_ch,
struct scatterlist *sg, unsigned int sgcount, unsigned int dma_length,
- unsigned int dev_addr, dmamode_t dmamode);
+ unsigned int dev_addr, unsigned int dmamode);
int
imx_dma_setup_handlers(imx_dmach_t dma_ch,