| /* SPDX-License-Identifier: GPL-2.0 */ | |
| /* | |
| * Copyright (c) 2015 National Instruments | |
| * | |
| * (C) Copyright 2015 | |
| * Joe Hershberger <joe.hershberger@ni.com> | |
| */ | |
| #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 */ |