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/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2003 - 2005 Tensilica Inc. * Copyright (C) 2015 Cadence Design Systems Inc. */ #ifndef _XTENSA_DMA_MAPPING_H #define _XTENSA_DMA_MAPPING_H #include <asm/cache.h> #include <asm/io.h> #include <linux/mm.h> #include <linux/scatterlist.h> extern const struct dma_map_ops xtensa_dma_map_ops; static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) { return &xtensa_dma_map_ops; } static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr) { return (dma_addr_t)paddr; } static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr) { return (phys_addr_t)daddr; } #endif /* _XTENSA_DMA_MAPPING_H */