| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _ASM_DMA_MAPPING_H |
| 2 | #define _ASM_DMA_MAPPING_H |
| 3 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | #include <asm/cache.h> |
| 5 | #include <asm/cacheflush.h> |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | |
| 7 | extern unsigned long __nongprelbss dma_coherent_mem_start; |
| 8 | extern unsigned long __nongprelbss dma_coherent_mem_end; |
| 9 | |
| Bart Van Assche | 5299709 | 2017-01-20 13:04:01 -0800 | [diff] [blame] | 10 | extern const struct dma_map_ops frv_dma_ops; |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | |
| Bart Van Assche | 815dd18 | 2017-01-20 13:04:04 -0800 | [diff] [blame^] | 12 | static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | { |
| Christoph Hellwig | eae0751 | 2016-01-20 15:01:44 -0800 | [diff] [blame] | 14 | return &frv_dma_ops; |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | } |
| 16 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | static inline |
| Ralf Baechle | d3fa72e | 2006-12-06 20:38:56 -0800 | [diff] [blame] | 18 | void dma_cache_sync(struct device *dev, void *vaddr, size_t size, |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | enum dma_data_direction direction) |
| 20 | { |
| 21 | flush_write_buffers(); |
| 22 | } |
| 23 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | #endif /* _ASM_DMA_MAPPING_H */ |