diff options
Diffstat (limited to 'include/asm-x86/dma-mapping.h')
| -rw-r--r-- | include/asm-x86/dma-mapping.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h index a7090bbb2a2..1c88ce6b50d 100644 --- a/include/asm-x86/dma-mapping.h +++ b/include/asm-x86/dma-mapping.h @@ -204,4 +204,18 @@ dma_cache_sync(struct device *dev, void *vaddr, size_t size, { flush_write_buffers(); } + +#ifdef CONFIG_X86_32 +# define ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY +extern int +dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr, + dma_addr_t device_addr, size_t size, int flags); + +extern void +dma_release_declared_memory(struct device *dev); + +extern void * +dma_mark_declared_memory_occupied(struct device *dev, + dma_addr_t device_addr, size_t size); +#endif /* CONFIG_X86_32 */ #endif |