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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef ___ASM_SPARC_DMA_MAPPING_H
3#define ___ASM_SPARC_DMA_MAPPING_H
4
5extern const struct dma_map_ops *dma_ops;
6
7static inline const struct dma_map_ops *get_arch_dma_ops(void)
8{
9 /* sparc32 uses per-device dma_ops */
10 return IS_ENABLED(CONFIG_SPARC64) ? dma_ops : NULL;
11}
12
13#endif
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef ___ASM_SPARC_DMA_MAPPING_H
3#define ___ASM_SPARC_DMA_MAPPING_H
4
5#include <linux/scatterlist.h>
6#include <linux/mm.h>
7#include <linux/dma-debug.h>
8
9extern const struct dma_map_ops *dma_ops;
10extern const struct dma_map_ops pci32_dma_ops;
11
12extern struct bus_type pci_bus_type;
13
14static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
15{
16#ifdef CONFIG_SPARC_LEON
17 if (sparc_cpu_model == sparc_leon)
18 return &pci32_dma_ops;
19#endif
20#if defined(CONFIG_SPARC32) && defined(CONFIG_PCI)
21 if (bus == &pci_bus_type)
22 return &pci32_dma_ops;
23#endif
24 return dma_ops;
25}
26
27#endif