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 
9 extern const struct dma_map_ops *dma_ops;
10 
11 extern struct bus_type pci_bus_type;
12 
13 static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
14 {
15 #ifdef CONFIG_SPARC_LEON
16 	if (sparc_cpu_model == sparc_leon)
17 		return &dma_noncoherent_ops;
18 #endif
19 #if defined(CONFIG_SPARC32) && defined(CONFIG_PCI)
20 	if (bus == &pci_bus_type)
21 		return &dma_noncoherent_ops;
22 #endif
23 	return dma_ops;
24 }
25 
26 #endif
27