<asm/dma-mapping.h> gets pulled in by all drivers using the DMA API.
Remove x86 internal variables and unnecessary includes from it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
#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>
-
-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)
extern int force_iommu, no_iommu;
extern int iommu_detected;
+extern int iommu_merge;
+extern int panic_on_overflow;
#ifdef CONFIG_SWIOTLB
extern bool x86_swiotlb_enable;