diff options
Diffstat (limited to 'arch/sparc/include/asm/dma-mapping.h')
| -rw-r--r-- | arch/sparc/include/asm/dma-mapping.h | 29 |
1 files changed, 4 insertions, 25 deletions
diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h index 60bf1633d554..55c12fc2ba63 100644 --- a/arch/sparc/include/asm/dma-mapping.h +++ b/arch/sparc/include/asm/dma-mapping.h @@ -1,34 +1,13 @@ +/* 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) +static inline const struct dma_map_ops *get_arch_dma_ops(void) { -#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; + /* sparc32 uses per-device dma_ops */ + return IS_ENABLED(CONFIG_SPARC64) ? dma_ops : NULL; } #endif |