#ifndef _ASM_S390_DMA_MAPPING_H #define _ASM_S390_DMA_MAPPING_H #include #include #include #include #include #include extern const struct dma_map_ops s390_pci_dma_ops; static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) { return &dma_noop_ops; } static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction) { } static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size) { if (!dev->dma_mask) return false; return addr + size - 1 <= *dev->dma_mask; } #endif /* _ASM_S390_DMA_MAPPING_H */