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33 lines
622 B
C
33 lines
622 B
C
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/*
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* Copyright (c) 2015 National Instruments
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*
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* (C) Copyright 2015
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* Joe Hershberger <joe.hershberger@ni.com>
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*
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* SPDX-License-Identifier: GPL-2.0
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*/
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#ifndef __MAPMEM_H
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#define __MAPMEM_H
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/* Define a null map_sysmem() if the architecture doesn't use it */
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# ifdef CONFIG_ARCH_MAP_SYSMEM
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#include <asm/io.h>
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# else
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static inline void *map_sysmem(phys_addr_t paddr, unsigned long len)
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{
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return (void *)(uintptr_t)paddr;
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}
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static inline void unmap_sysmem(const void *vaddr)
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{
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}
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static inline phys_addr_t map_to_sysmem(const void *ptr)
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{
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return (phys_addr_t)(uintptr_t)ptr;
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}
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# endif
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#endif /* __MAPMEM_H */
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