Linux-libre 4.14.14-gnu
[librecmc/linux-libre.git] / arch / frv / include / asm / dma-mapping.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_DMA_MAPPING_H
3 #define _ASM_DMA_MAPPING_H
4
5 #include <asm/cache.h>
6 #include <asm/cacheflush.h>
7
8 extern unsigned long __nongprelbss dma_coherent_mem_start;
9 extern unsigned long __nongprelbss dma_coherent_mem_end;
10
11 extern const struct dma_map_ops frv_dma_ops;
12
13 static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
14 {
15         return &frv_dma_ops;
16 }
17
18 static inline
19 void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
20                     enum dma_data_direction direction)
21 {
22         flush_write_buffers();
23 }
24
25 #endif  /* _ASM_DMA_MAPPING_H */