/*
   * Copyright 2015 Stephen Warren
   *
   * SPDX-License-Identifier:     GPL-2.0+
   */
  
  #ifndef _BUS_ADDR_H
  #define _BUS_ADDR_H
  
  #ifdef CONFIG_PHYS_TO_BUS
  unsigned long phys_to_bus(unsigned long phys);
  unsigned long bus_to_phys(unsigned long bus);
  #else
  static inline unsigned long phys_to_bus(unsigned long phys)
  {
  	return phys;
  }
  
  static inline unsigned long bus_to_phys(unsigned long bus)
  {
  	return bus;
  }
  #endif
  
  #endif