1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_GENERIC_DMA_MAPPING_H
3 #define _ASM_GENERIC_DMA_MAPPING_H
4 
get_arch_dma_ops(struct bus_type * bus)5 static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
6 {
7 	/*
8 	 * Use the non-coherent ops if available.  If an architecture wants a
9 	 * more fine-grained selection of operations it will have to implement
10 	 * get_arch_dma_ops itself or use the per-device dma_ops.
11 	 */
12 #ifdef CONFIG_DMA_NONCOHERENT_OPS
13 	return &dma_noncoherent_ops;
14 #else
15 	return &dma_direct_ops;
16 #endif
17 }
18 
19 #endif /* _ASM_GENERIC_DMA_MAPPING_H */
20