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-rw-r--r--arch/x86/include/asm/dma-mapping.h12
1 files changed, 0 insertions, 12 deletions
diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
index bb1654fe0ce7..1c66708e3062 100644
--- a/arch/x86/include/asm/dma-mapping.h
+++ b/arch/x86/include/asm/dma-mapping.h
@@ -2,18 +2,6 @@
#ifndef _ASM_X86_DMA_MAPPING_H
#define _ASM_X86_DMA_MAPPING_H
-/*
- * IOMMU interface. See Documentation/core-api/dma-api-howto.rst and
- * Documentation/core-api/dma-api.rst for documentation.
- */
-
-#include <linux/scatterlist.h>
-#include <asm/io.h>
-#include <asm/swiotlb.h>
-
-extern int iommu_merge;
-extern int panic_on_overflow;
-
extern const struct dma_map_ops *dma_ops;
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)