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/*
* arch/sh/kernel/ioport.c
*
* Copyright (C) 2000 Niibe Yutaka
* Copyright (C) 2005 - 2007 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/module.h>
#include <linux/io.h>
const unsigned long sh_io_port_base __read_mostly = -1;
EXPORT_SYMBOL(sh_io_port_base);
void __iomem *__ioport_map(unsigned long addr, unsigned int size)
{
if (sh_mv.mv_ioport_map)
return sh_mv.mv_ioport_map(addr, size);
return (void __iomem *)(addr + sh_io_port_base);
}
EXPORT_SYMBOL(__ioport_map);
void __iomem *ioport_map(unsigned long port, unsigned int nr)
{
void __iomem *ret;
ret = __ioport_map_trapped(port, nr);
if (ret)
return ret;
return __ioport_map(port, nr);
}
EXPORT_SYMBOL(ioport_map);
void ioport_unmap(void __iomem *addr)
{
if (sh_mv.mv_ioport_unmap)
sh_mv.mv_ioport_unmap(addr);
}
EXPORT_SYMBOL(ioport_unmap);
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