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