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 extern const struct dma_map_ops pci32_dma_ops; 11 12 extern struct bus_type pci_bus_type; 13 14 static 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 28