linux-surface/kernel/arch/metag/include/asm/dma-mapping.h
2017-11-05 21:38:20 -05:00

23 lines
509 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_METAG_DMA_MAPPING_H
#define _ASM_METAG_DMA_MAPPING_H
extern const struct dma_map_ops metag_dma_ops;
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
return &metag_dma_ops;
}
/*
* dma_alloc_attrs() always returns non-cacheable memory, so there's no need to
* do any flushing here.
*/
static inline void
dma_cache_sync(struct device *dev, void *vaddr, size_t size,
enum dma_data_direction direction)
{
}
#endif