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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_S390_DMA_MAPPING_H #define _ASM_S390_DMA_MAPPING_H #include <linux/kernel.h> #include <linux/types.h> #include <linux/mm.h> #include <linux/scatterlist.h> #include <linux/dma-debug.h> #include <linux/io.h> 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 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 */