| * Stelian Pop <stelian@popies.net> |
| * Lead Tech Design <www.leadtechdesign.com> |
| * SPDX-License-Identifier: GPL-2.0+ |
| #ifndef __ASM_ARM_DMA_MAPPING_H |
| #define __ASM_ARM_DMA_MAPPING_H |
| #define dma_mapping_error(x, y) 0 |
| enum dma_data_direction { |
| static inline void *dma_alloc_coherent(size_t len, unsigned long *handle) |
| *handle = (unsigned long)memalign(ARCH_DMA_MINALIGN, len); |
| static inline void dma_free_coherent(void *addr) |
| 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, |
| #endif /* __ASM_ARM_DMA_MAPPING_H */ |