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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-11-29 12:40:28 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-11-29 19:42:40 +0100 |
| commit | dcea83adc666061864b82c96e059dffe7268b512 (patch) | |
| tree | 4882086842f53bee3f6c655e6a3283effd3fbdff /arch/arm/mach-imx | |
| parent | [ARM] fix constant values of MAX_DMA_ADDRESS (diff) | |
| download | linux-dcea83adc666061864b82c96e059dffe7268b512.tar.xz linux-dcea83adc666061864b82c96e059dffe7268b512.zip | |
[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.c | 7 | ||||
| -rw-r--r-- | arch/arm/mach-imx/include/mach/imx-dma.h | 12 |
2 files changed, 12 insertions, 7 deletions
diff --git a/arch/arm/mach-imx/dma.c b/arch/arm/mach-imx/dma.c index c10810c936b3..1536583eece0 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 44d89c35539a..bbe54df7f0de 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, |