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