[linux-2.6-block.git] / arch / frv / include / asm / dma-mapping.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_DMA_MAPPING_H
#define _ASM_DMA_MAPPING_H

#include <asm/cache.h>
#include <asm/cacheflush.h>

extern unsigned long __nongprelbss dma_coherent_mem_start;
extern unsigned long __nongprelbss dma_coherent_mem_end;

extern const struct dma_map_ops frv_dma_ops;

static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
	return &frv_dma_ops;
}

static inline
void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
		    enum dma_data_direction direction)
{
	flush_write_buffers();
}

#endif  /* _ASM_DMA_MAPPING_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4 LT	2	#ifndef _ASM_DMA_MAPPING_H
	3	#define _ASM_DMA_MAPPING_H
	4
1da177e4 LT	5	#include <asm/cache.h>
1da177e4 LT	6	#include <asm/cacheflush.h>
1da177e4 LT	7
	8	extern unsigned long __nongprelbss dma_coherent_mem_start;
	9	extern unsigned long __nongprelbss dma_coherent_mem_end;
	10
5299709d	11	extern const struct dma_map_ops frv_dma_ops;
1da177e4	12
815dd187	13	static inline const struct dma_map_ops get_arch_dma_ops(struct bus_type bus)
1da177e4	14	{
eae07519	15	return &frv_dma_ops;
1da177e4 LT	16	}
1da177e4 LT	17
1da177e4	18	static inline
d3fa72e4	19	void dma_cache_sync(struct device dev, void vaddr, size_t size,
1da177e4 LT	20	enum dma_data_direction direction)
	21	{
	22	flush_write_buffers();
	23	}
	24
	25	#endif /* _ASM_DMA_MAPPING_H */