diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-10-31 15:58:30 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-11-23 12:53:26 +0000 |
| commit | 1c4a4f48a14861a567c8861355bc8252da3a003f (patch) | |
| tree | 03285de0d6347b409f9691d32a36b61d7c1eac63 /arch/arm/include/asm/memory.h | |
| parent | 719301ff1c77b6da7b1b6f78a1e51af64a678619 (diff) | |
ARM: dma-mapping: simplify page_to_dma() and __pfn_to_bus()
The non-highmem() and the __pfn_to_bus() based page_to_dma() both
compile to the same code, so its pointless having these two different
approaches. Use the __pfn_to_bus() based version.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-By: Jamie Iles <jamie@jamieiles.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm/include/asm/memory.h')
| -rw-r--r-- | arch/arm/include/asm/memory.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index e0f8f4a4d45..9099ada9da0 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -200,7 +200,8 @@ static inline void *phys_to_virt(unsigned long x) #ifndef __virt_to_bus #define __virt_to_bus __virt_to_phys #define __bus_to_virt __phys_to_virt -#define __pfn_to_bus(x) ((x) << PAGE_SHIFT) +#define __pfn_to_bus(x) __pfn_to_phys(x) +#define __bus_to_pfn(x) __phys_to_pfn(x) #endif static inline __deprecated unsigned long virt_to_bus(void *x) |