/* * Copyright (C) 2011 Tobias Klauser * Copyright (C) 2009 Wind River Systems Inc * * This file is subject to the terms and conditions of the GNU General * Public License. See the file COPYING in the main directory of this * archive for more details. */ #ifndef _ASM_NIOS2_DMA_MAPPING_H #define _ASM_NIOS2_DMA_MAPPING_H extern const struct dma_map_ops nios2_dma_ops; static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) { return &nios2_dma_ops; } /* * dma_alloc_noncoherent() returns non-cacheable memory, so there's no need to * do any flushing here. */ static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction) { } #endif /* _ASM_NIOS2_DMA_MAPPING_H */