mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 20:53:53 +08:00
e43e2657fe
Now that we removed support for the NULL device argument in the DMA API, there is no need to cater for that in the x86 code. Signed-off-by: Christoph Hellwig <hch@lst.de>
27 lines
564 B
C
27 lines
564 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _ASM_X86_DMA_MAPPING_H
|
|
#define _ASM_X86_DMA_MAPPING_H
|
|
|
|
/*
|
|
* IOMMU interface. See Documentation/DMA-API-HOWTO.txt and
|
|
* Documentation/DMA-API.txt for documentation.
|
|
*/
|
|
|
|
#include <linux/scatterlist.h>
|
|
#include <linux/dma-debug.h>
|
|
#include <asm/io.h>
|
|
#include <asm/swiotlb.h>
|
|
#include <linux/dma-contiguous.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)
|
|
{
|
|
return dma_ops;
|
|
}
|
|
|
|
#endif
|