/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright (C) 2013 Andes Technology Corporation * Ken Kuo, Andes Technology Corporation */ #ifndef __ASM_NDS_DMA_MAPPING_H #define __ASM_NDS_DMA_MAPPING_H #include static void *dma_alloc_coherent(size_t len, unsigned long *handle) { *handle = (unsigned long)memalign(ARCH_DMA_MINALIGN, len); return (void *)*handle; } static inline unsigned long dma_map_single(volatile void *vaddr, size_t len, enum dma_data_direction dir) { return (unsigned long)vaddr; } static inline void dma_unmap_single(volatile void *vaddr, size_t len, unsigned long paddr) { } #endif /* __ASM_NDS_DMA_MAPPING_H */