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-rw-r--r--include/asm-x86/dma-mapping.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h
index 75807368051..a1a4dc7fe6e 100644
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -215,6 +215,14 @@ static inline int dma_get_cache_alignment(void)
#ifdef CONFIG_X86_32
# define ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY
+struct dma_coherent_mem {
+ void *virt_base;
+ u32 device_base;
+ int size;
+ int flags;
+ unsigned long *bitmap;
+};
+
extern int
dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
dma_addr_t device_addr, size_t size, int flags);