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-rw-r--r--include/asm-x86/io_64.h6
1 files changed, 0 insertions, 6 deletions
diff --git a/include/asm-x86/io_64.h b/include/asm-x86/io_64.h
index 7475095c506..a037b079433 100644
--- a/include/asm-x86/io_64.h
+++ b/include/asm-x86/io_64.h
@@ -249,12 +249,6 @@ void memset_io(volatile void __iomem *a, int b, size_t c);
*/
#define __ISA_IO_base ((char __iomem *)(PAGE_OFFSET))
-/* Nothing to do */
-
-#define dma_cache_inv(_start,_size) do { } while (0)
-#define dma_cache_wback(_start,_size) do { } while (0)
-#define dma_cache_wback_inv(_start,_size) do { } while (0)
-
#define flush_write_buffers()
extern int iommu_bio_merge;