diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/include/asm/dma-mapping.h | 10 | ||||
| -rw-r--r-- | arch/arm/include/asm/memory.h | 3 |
2 files changed, 2 insertions, 11 deletions
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index ff46dfa68a97..5d78eb163953 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -15,20 +15,10 @@ * must not be used by drivers. */ #ifndef __arch_page_to_dma - -#if !defined(CONFIG_HIGHMEM) -static inline dma_addr_t page_to_dma(struct device *dev, struct page *page) -{ - return (dma_addr_t)__virt_to_bus((unsigned long)page_address(page)); -} -#elif defined(__pfn_to_bus) static inline dma_addr_t page_to_dma(struct device *dev, struct page *page) { return (dma_addr_t)__pfn_to_bus(page_to_pfn(page)); } -#else -#error "this machine class needs to define __arch_page_to_dma to use HIGHMEM" -#endif static inline void *dma_to_virt(struct device *dev, dma_addr_t addr) { diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index e0f8f4a4d45f..9099ada9da0c 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) |