/* 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 */ |