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Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_GENERIC_DMA_MAPPING_H
3#define _ASM_GENERIC_DMA_MAPPING_H
4
5static 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 */