/* 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 */ |