| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef ___ASM_SPARC_DMA_MAPPING_H |
| #define ___ASM_SPARC_DMA_MAPPING_H |
| |
| #include <linux/scatterlist.h> |
| #include <linux/mm.h> |
| #include <linux/dma-debug.h> |
| |
| static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, |
| enum dma_data_direction dir) |
| { |
| /* Since dma_{alloc,free}_noncoherent() allocated coherent memory, this |
| * routine can be a nop. |
| */ |
| } |
| |
| extern const struct dma_map_ops *dma_ops; |
| extern const struct dma_map_ops pci32_dma_ops; |
| |
| extern struct bus_type pci_bus_type; |
| |
| static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) |
| { |
| #ifdef CONFIG_SPARC_LEON |
| if (sparc_cpu_model == sparc_leon) |
| return &pci32_dma_ops; |
| #endif |
| #if defined(CONFIG_SPARC32) && defined(CONFIG_PCI) |
| if (bus == &pci_bus_type) |
| return &pci32_dma_ops; |
| #endif |
| return dma_ops; |
| } |
| |
| #endif |
