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git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blob - include/asm-generic/dma-mapping.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_GENERIC_DMA_MAPPING_H
3 #define _ASM_GENERIC_DMA_MAPPING_H
5 static inline const struct dma_map_ops
*get_arch_dma_ops(struct bus_type
*bus
)
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.
12 #ifdef CONFIG_DMA_NONCOHERENT_OPS
13 return &dma_noncoherent_ops
;
15 return &dma_direct_ops
;
19 #endif /* _ASM_GENERIC_DMA_MAPPING_H */