diff options
| author | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2010-05-27 01:44:43 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-27 20:12:55 +0400 |
| commit | f6ae31c23be6926359e9379acfdbbdd945209f05 (patch) | |
| tree | 3985c6be62afcb636efcf5131a6464b2cbcba2a0 /arch | |
| parent | 7676679f659ac0112cad02789eb5560da2814e56 (diff) | |
| download | linux-f6ae31c23be6926359e9379acfdbbdd945209f05.tar.xz | |
parisc: use asm-generic/scatterlist.h
parisc uses iova and iova_length in scatterlist structure instead of
dma_address and dma_length. However, the accessor are used so we can
convert parisc to use asm-generic/scatterlist.h easily.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: Helge Deller <deller@gmx.de>
Cc: James E.J. Bottomley <jejb@parisc-linux.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/parisc/Kconfig | 3 | ||||
| -rw-r--r-- | arch/parisc/include/asm/scatterlist.h | 20 |
2 files changed, 5 insertions, 18 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index 9c4da3d63bfb..05a366a5c4d5 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -98,6 +98,9 @@ config STACKTRACE_SUPPORT config NEED_DMA_MAP_STATE def_bool y +config NEED_SG_DMA_LENGTH + def_bool y + config ISA_DMA_API bool diff --git a/arch/parisc/include/asm/scatterlist.h b/arch/parisc/include/asm/scatterlist.h index 62269b31ebf4..2c3b79b54b28 100644 --- a/arch/parisc/include/asm/scatterlist.h +++ b/arch/parisc/include/asm/scatterlist.h @@ -3,25 +3,9 @@ #include <asm/page.h> #include <asm/types.h> - -struct scatterlist { -#ifdef CONFIG_DEBUG_SG - unsigned long sg_magic; -#endif - unsigned long page_link; - unsigned int offset; - - unsigned int length; - - /* an IOVA can be 64-bits on some PA-Risc platforms. */ - dma_addr_t iova; /* I/O Virtual Address */ - __u32 iova_length; /* bytes mapped */ -}; - -#define sg_virt_addr(sg) ((unsigned long)sg_virt(sg)) -#define sg_dma_address(sg) ((sg)->iova) -#define sg_dma_len(sg) ((sg)->iova_length) +#include <asm-generic/scatterlist.h> #define ISA_DMA_THRESHOLD (~0UL) +#define sg_virt_addr(sg) ((unsigned long)sg_virt(sg)) #endif /* _ASM_PARISC_SCATTERLIST_H */ |