diff options
Diffstat (limited to 'arch/arm/include/asm/dma-mapping.h')
| -rw-r--r-- | arch/arm/include/asm/dma-mapping.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index 5d78eb163953..f06d80c22748 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h | |||
| @@ -20,6 +20,11 @@ static inline dma_addr_t page_to_dma(struct device *dev, struct page *page) | |||
| 20 | return (dma_addr_t)__pfn_to_bus(page_to_pfn(page)); | 20 | return (dma_addr_t)__pfn_to_bus(page_to_pfn(page)); |
| 21 | } | 21 | } |
| 22 | 22 | ||
| 23 | static inline struct page *dma_to_page(struct device *dev, dma_addr_t addr) | ||
| 24 | { | ||
| 25 | return pfn_to_page(__bus_to_pfn(addr)); | ||
| 26 | } | ||
| 27 | |||
| 23 | static inline void *dma_to_virt(struct device *dev, dma_addr_t addr) | 28 | static inline void *dma_to_virt(struct device *dev, dma_addr_t addr) |
| 24 | { | 29 | { |
| 25 | return (void *)__bus_to_virt(addr); | 30 | return (void *)__bus_to_virt(addr); |
| @@ -35,6 +40,11 @@ static inline dma_addr_t page_to_dma(struct device *dev, struct page *page) | |||
| 35 | return __arch_page_to_dma(dev, page); | 40 | return __arch_page_to_dma(dev, page); |
| 36 | } | 41 | } |
| 37 | 42 | ||
| 43 | static inline struct page *dma_to_page(struct device *dev, dma_addr_t addr) | ||
| 44 | { | ||
| 45 | return __arch_dma_to_page(dev, addr); | ||
| 46 | } | ||
| 47 | |||
| 38 | static inline void *dma_to_virt(struct device *dev, dma_addr_t addr) | 48 | static inline void *dma_to_virt(struct device *dev, dma_addr_t addr) |
| 39 | { | 49 | { |
| 40 | return __arch_dma_to_virt(dev, addr); | 50 | return __arch_dma_to_virt(dev, addr); |
