diff options
Diffstat (limited to 'arch/arm/include/asm/dma-mapping.h')
-rw-r--r-- | arch/arm/include/asm/dma-mapping.h | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index cf2535fb8891..0a1a536368c3 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -8,8 +8,6 @@ #include <linux/scatterlist.h> #include <linux/dma-debug.h> -#include <asm/memory.h> - #include <xen/xen.h> #include <asm/xen/hypervisor.h> @@ -23,54 +21,6 @@ static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) return NULL; } -/* - * dma_to_pfn/pfn_to_dma/virt_to_dma are architecture private - * functions used internally by the DMA-mapping API to provide DMA - * addresses. They must not be used by drivers. - */ -#ifndef __arch_pfn_to_dma -static inline dma_addr_t pfn_to_dma(struct device *dev, unsigned long pfn) -{ - if (dev) - pfn -= dev->dma_pfn_offset; - return (dma_addr_t)__pfn_to_bus(pfn); -} - -static inline unsigned long dma_to_pfn(struct device *dev, dma_addr_t addr) -{ - unsigned long pfn = __bus_to_pfn(addr); - - if (dev) - pfn += dev->dma_pfn_offset; - - return pfn; -} - -static inline dma_addr_t virt_to_dma(struct device *dev, void *addr) -{ - if (dev) - return pfn_to_dma(dev, virt_to_pfn(addr)); - - return (dma_addr_t)__virt_to_bus((unsigned long)(addr)); -} - -#else -static inline dma_addr_t pfn_to_dma(struct device *dev, unsigned long pfn) -{ - return __arch_pfn_to_dma(dev, pfn); -} - -static inline unsigned long dma_to_pfn(struct device *dev, dma_addr_t addr) -{ - return __arch_dma_to_pfn(dev, addr); -} - -static inline dma_addr_t virt_to_dma(struct device *dev, void *addr) -{ - return __arch_virt_to_dma(dev, addr); -} -#endif - /** * arm_dma_alloc - allocate consistent memory for DMA * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices |