| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _ASM_GENERIC_DMA_MAPPING_H |
| #define _ASM_GENERIC_DMA_MAPPING_H |
| |
| static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) |
| { |
| /* |
| * Use the non-coherent ops if available. If an architecture wants a |
| * more fine-grained selection of operations it will have to implement |
| * get_arch_dma_ops itself or use the per-device dma_ops. |
| */ |
| #ifdef CONFIG_DMA_NONCOHERENT_OPS |
| return &dma_noncoherent_ops; |
| #else |
| return &dma_direct_ops; |
| #endif |
| } |
| |
| #endif /* _ASM_GENERIC_DMA_MAPPING_H */ |