blob: 42ef3e8c2a2546ae4d8e8916cde29222b764caab [file] [log] [blame]
Joe Hershberger0eb25b62015-03-22 17:08:59 -05001/*
2 * Copyright (c) 2015 National Instruments
3 *
4 * (C) Copyright 2015
5 * Joe Hershberger <joe.hershberger@ni.com>
6 *
7 * SPDX-License-Identifier: GPL-2.0
8 */
9
10#ifndef __MAPMEM_H
11#define __MAPMEM_H
12
13/* Define a null map_sysmem() if the architecture doesn't use it */
14# ifdef CONFIG_ARCH_MAP_SYSMEM
15#include <asm/io.h>
16# else
17static inline void *map_sysmem(phys_addr_t paddr, unsigned long len)
18{
19 return (void *)(uintptr_t)paddr;
20}
21
22static inline void unmap_sysmem(const void *vaddr)
23{
24}
25
26static inline phys_addr_t map_to_sysmem(const void *ptr)
27{
28 return (phys_addr_t)(uintptr_t)ptr;
29}
30# endif
31
32#endif /* __MAPMEM_H */