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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2012 ARM Ltd.
*/
#ifndef __ASM_DMA_MAPPING_H
#define __ASM_DMA_MAPPING_H
#include <linux/types.h>
#include <linux/vmalloc.h>
#include <xen/xen.h>
#include <asm/xen/hypervisor.h>
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
return NULL;
}
/*
* Do not use this function in a driver, it is only provided for
* arch/arm/mm/xen.c, which is used by arm64 as well.
*/
static inline bool is_device_dma_coherent(struct device *dev)
{
return dev->dma_coherent;
}
#endif /* __ASM_DMA_MAPPING_H */
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