/* 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 */