| Ley Foon Tan | e23c621 | 2014-11-06 15:19:53 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 Tobias Klauser <tklauser@distanz.ch> |
| 3 | * Copyright (C) 2009 Wind River Systems Inc |
| 4 | * |
| 5 | * This file is subject to the terms and conditions of the GNU General |
| 6 | * Public License. See the file COPYING in the main directory of this |
| 7 | * archive for more details. |
| 8 | */ |
| 9 | |
| 10 | #ifndef _ASM_NIOS2_DMA_MAPPING_H |
| 11 | #define _ASM_NIOS2_DMA_MAPPING_H |
| 12 | |
| Bart Van Assche | 5299709 | 2017-01-20 13:04:01 -0800 | [diff] [blame] | 13 | extern const struct dma_map_ops nios2_dma_ops; |
| Ley Foon Tan | e23c621 | 2014-11-06 15:19:53 +0800 | [diff] [blame] | 14 | |
| Bart Van Assche | 815dd18 | 2017-01-20 13:04:04 -0800 | [diff] [blame] | 15 | static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) |
| Ley Foon Tan | e23c621 | 2014-11-06 15:19:53 +0800 | [diff] [blame] | 16 | { |
| Christoph Hellwig | 5a1a67f | 2016-01-20 15:01:41 -0800 | [diff] [blame] | 17 | return &nios2_dma_ops; |
| Ley Foon Tan | e23c621 | 2014-11-06 15:19:53 +0800 | [diff] [blame] | 18 | } |
| 19 | |
| 20 | /* |
| Christoph Hellwig | 5a1a67f | 2016-01-20 15:01:41 -0800 | [diff] [blame] | 21 | * dma_alloc_noncoherent() returns non-cacheable memory, so there's no need to |
| 22 | * do any flushing here. |
| 23 | */ |
| Ley Foon Tan | e23c621 | 2014-11-06 15:19:53 +0800 | [diff] [blame] | 24 | static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, |
| 25 | enum dma_data_direction direction) |
| 26 | { |
| 27 | } |
| 28 | |
| Ley Foon Tan | e23c621 | 2014-11-06 15:19:53 +0800 | [diff] [blame] | 29 | #endif /* _ASM_NIOS2_DMA_MAPPING_H */ |