/* * 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 */
