liyujie
2025-08-28 786ff4f4ca2374bdd9177f2e24b503d43e7a3b93
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/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Copyright 2015 Stephen Warren
 */
 
#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