| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 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 |