| /* 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 */ |
