/*
   * 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 */