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authorChristoph Hellwig <hch@lst.de>2022-02-17 17:10:54 +0300
committerChristoph Hellwig <hch@lst.de>2022-04-18 08:21:14 +0300
commit3cb4503a330159dc5cf2f8382181ccbabbbaa5b2 (patch)
tree4bf79133fab0157792e527ab3428a66d2f05a549 /arch/x86/include/asm/dma-mapping.h
parent6424e31b1c050a25aea033206d5f626f3523448c (diff)
downloadlinux-3cb4503a330159dc5cf2f8382181ccbabbbaa5b2.tar.xz
x86: remove cruft from <asm/dma-mapping.h>
<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>
Diffstat (limited to 'arch/x86/include/asm/dma-mapping.h')
-rw-r--r--arch/x86/include/asm/dma-mapping.h11
1 files changed, 0 insertions, 11 deletions
diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
index 256fd8115223..1c66708e3062 100644
--- a/arch/x86/include/asm/dma-mapping.h
+++ b/arch/x86/include/asm/dma-mapping.h
@@ -2,17 +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>
-
-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)