In the case where the arch defines a custom map_sysmem(), make sure that including just mapmem.h is sufficient to have these functions as they are when the arch does not override it. Also split the non-arch specific functions out of common.h Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>master
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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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