diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/dma-mapping.h | 34 | ||||
| -rw-r--r-- | arch/arm/mach-iop13xx/include/mach/memory.h | 6 | ||||
| -rw-r--r-- | arch/arm/mach-ks8695/include/mach/memory.h | 8 | ||||
| -rw-r--r-- | arch/arm/mm/dma-mapping.c | 4 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/memory.h | 8 |
5 files changed, 32 insertions, 28 deletions
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index c568da7dcae4..8f69b98f68fc 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -9,20 +9,24 @@ #include <asm-generic/dma-coherent.h> #include <asm/memory.h> +#ifdef __arch_page_to_dma +#error Please update to __arch_pfn_to_dma +#endif + /* - * page_to_dma/dma_to_virt/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. + * dma_to_pfn/pfn_to_dma/dma_to_virt/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_page_to_dma -static inline dma_addr_t page_to_dma(struct device *dev, struct page *page) +#ifndef __arch_pfn_to_dma +static inline dma_addr_t pfn_to_dma(struct device *dev, unsigned long pfn) { - return (dma_addr_t)__pfn_to_bus(page_to_pfn(page)); + return (dma_addr_t)__pfn_to_bus(pfn); } -static inline struct page *dma_to_page(struct device *dev, dma_addr_t addr) +static inline unsigned long dma_to_pfn(struct device *dev, dma_addr_t addr) { - return pfn_to_page(__bus_to_pfn(addr)); + return __bus_to_pfn(addr); } static inline void *dma_to_virt(struct device *dev, dma_addr_t addr) @@ -35,14 +39,14 @@ static inline dma_addr_t virt_to_dma(struct device *dev, void *addr) return (dma_addr_t)__virt_to_bus((unsigned long)(addr)); } #else -static inline dma_addr_t page_to_dma(struct device *dev, struct page *page) +static inline dma_addr_t pfn_to_dma(struct device *dev, unsigned long pfn) { - return __arch_page_to_dma(dev, page); + return __arch_pfn_to_dma(dev, pfn); } -static inline struct page *dma_to_page(struct device *dev, dma_addr_t addr) +static inline unsigned long dma_to_pfn(struct device *dev, dma_addr_t addr) { - return __arch_dma_to_page(dev, addr); + return __arch_dma_to_pfn(dev, addr); } static inline void *dma_to_virt(struct device *dev, dma_addr_t addr) @@ -368,7 +372,7 @@ static inline dma_addr_t dma_map_page(struct device *dev, struct page *page, __dma_page_cpu_to_dev(page, offset, size, dir); - return page_to_dma(dev, page) + offset; + return pfn_to_dma(dev, page_to_pfn(page)) + offset; } /** @@ -408,8 +412,8 @@ static inline void dma_unmap_single(struct device *dev, dma_addr_t handle, static inline void dma_unmap_page(struct device *dev, dma_addr_t handle, size_t size, enum dma_data_direction dir) { - __dma_page_dev_to_cpu(dma_to_page(dev, handle), handle & ~PAGE_MASK, - size, dir); + __dma_page_dev_to_cpu(pfn_to_page(dma_to_pfn(dev, handle)), + handle & ~PAGE_MASK, size, dir); } #endif /* CONFIG_DMABOUNCE */ diff --git a/arch/arm/mach-iop13xx/include/mach/memory.h b/arch/arm/mach-iop13xx/include/mach/memory.h index 7415e4338651..3ad455318868 100644 --- a/arch/arm/mach-iop13xx/include/mach/memory.h +++ b/arch/arm/mach-iop13xx/include/mach/memory.h @@ -58,13 +58,13 @@ static inline unsigned long __lbus_to_virt(dma_addr_t x) __dma; \ }) -#define __arch_page_to_dma(dev, page) \ +#define __arch_pfn_to_dma(dev, pfn) \ ({ \ /* __is_lbus_virt() can never be true for RAM pages */ \ - (dma_addr_t)page_to_phys(page); \ + (dma_addr_t)__pfn_to_phys(pfn); \ }) -#define __arch_dma_to_page(dev, addr) phys_to_page(addr) +#define __arch_dma_to_pfn(dev, addr) __phys_to_pfn(addr) #endif /* CONFIG_ARCH_IOP13XX */ #endif /* !ASSEMBLY */ diff --git a/arch/arm/mach-ks8695/include/mach/memory.h b/arch/arm/mach-ks8695/include/mach/memory.h index ffa19aae6e05..bace9a681adc 100644 --- a/arch/arm/mach-ks8695/include/mach/memory.h +++ b/arch/arm/mach-ks8695/include/mach/memory.h @@ -35,17 +35,17 @@ extern struct bus_type platform_bus_type; __phys_to_virt(x) : __bus_to_virt(x)); }) #define __arch_virt_to_dma(dev, x) ({ is_lbus_device(dev) ? \ (dma_addr_t)__virt_to_phys(x) : (dma_addr_t)__virt_to_bus(x); }) -#define __arch_page_to_dma(dev, x) \ - ({ dma_addr_t __dma = page_to_phys(page); \ +#define __arch_pfn_to_dma(dev, pfn) \ + ({ dma_addr_t __dma = __pfn_to_phys(pfn); \ if (!is_lbus_device(dev)) \ __dma = __dma - PHYS_OFFSET + KS8695_PCIMEM_PA; \ __dma; }) -#define __arch_dma_to_page(dev, x) \ +#define __arch_dma_to_pfn(dev, x) \ ({ dma_addr_t __dma = x; \ if (!is_lbus_device(dev)) \ __dma += PHYS_OFFSET - KS8695_PCIMEM_PA; \ - phys_to_page(__dma); \ + __phys_to_pfn(__dma); \ }) #endif diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index e4dd0646e859..44e72108d7a7 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -311,7 +311,7 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp, addr = page_address(page); if (addr) - *handle = page_to_dma(dev, page); + *handle = pfn_to_dma(dev, page_to_pfn(page)); return addr; } @@ -406,7 +406,7 @@ void dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, dma_addr if (!arch_is_coherent()) __dma_free_remap(cpu_addr, size); - __dma_free_buffer(dma_to_page(dev, handle), size); + __dma_free_buffer(pfn_to_page(dma_to_pfn(dev, handle)), size); } EXPORT_SYMBOL(dma_free_coherent); diff --git a/arch/arm/plat-omap/include/plat/memory.h b/arch/arm/plat-omap/include/plat/memory.h index d5306bee44b2..f8d922fb5584 100644 --- a/arch/arm/plat-omap/include/plat/memory.h +++ b/arch/arm/plat-omap/include/plat/memory.h @@ -61,17 +61,17 @@ #define lbus_to_virt(x) ((x) - OMAP1510_LB_OFFSET + PAGE_OFFSET) #define is_lbus_device(dev) (cpu_is_omap15xx() && dev && (strncmp(dev_name(dev), "ohci", 4) == 0)) -#define __arch_page_to_dma(dev, page) \ - ({ dma_addr_t __dma = page_to_phys(page); \ +#define __arch_pfn_to_dma(dev, pfn) \ + ({ dma_addr_t __dma = __pfn_to_phys(pfn); \ if (is_lbus_device(dev)) \ __dma = __dma - PHYS_OFFSET + OMAP1510_LB_OFFSET; \ __dma; }) -#define __arch_dma_to_page(dev, addr) \ +#define __arch_dma_to_pfn(dev, addr) \ ({ dma_addr_t __dma = addr; \ if (is_lbus_device(dev)) \ __dma += PHYS_OFFSET - OMAP1510_LB_OFFSET; \ - phys_to_page(__dma); \ + __phys_to_pfn(__dma); \ }) #define __arch_dma_to_virt(dev, addr) ({ (void *) (is_lbus_device(dev) ? \ |
