x86: move dma_coherent functions to pci-dma.c

They are placed in an ifdef, since they are i386 specific
the structure definition goes to dma-mapping.h.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 8 insertions, 0 deletions

diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h
index 75807368051a..a1a4dc7fe6ec 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);