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0eb25b61 JH |
1 | /* |
2 | * Copyright (c) 2015 National Instruments | |
3 | * | |
4 | * (C) Copyright 2015 | |
5 | * Joe Hershberger <[email protected]> | |
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 | |
17 | static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) | |
18 | { | |
19 | return (void *)(uintptr_t)paddr; | |
20 | } | |
21 | ||
22 | static inline void unmap_sysmem(const void *vaddr) | |
23 | { | |
24 | } | |
25 | ||
26 | static 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 */ |