1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * arch/sh/kernel/ioport.c
 4 *
 5 * Copyright (C) 2000  Niibe Yutaka
 6 * Copyright (C) 2005 - 2007 Paul Mundt
 7 */
 8#include <linux/module.h>
 9#include <linux/io.h>
10#include <asm/io_trapped.h>
11
12unsigned long sh_io_port_base __read_mostly = -1;
13EXPORT_SYMBOL(sh_io_port_base);
14
15void __iomem *__ioport_map(unsigned long addr, unsigned int size)
16{
17	if (sh_mv.mv_ioport_map)
18		return sh_mv.mv_ioport_map(addr, size);
19
20	return (void __iomem *)(addr + sh_io_port_base);
21}
22EXPORT_SYMBOL(__ioport_map);
23
24void __iomem *ioport_map(unsigned long port, unsigned int nr)
25{
26	void __iomem *ret;
27
28	ret = __ioport_map_trapped(port, nr);
29	if (ret)
30		return ret;
31
32	return __ioport_map(port, nr);
33}
34EXPORT_SYMBOL(ioport_map);
35
36void ioport_unmap(void __iomem *addr)
37{
38	if (sh_mv.mv_ioport_unmap)
39		sh_mv.mv_ioport_unmap(addr);
40}
41EXPORT_SYMBOL(ioport_unmap);

 1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * arch/sh/kernel/ioport.c
 4 *
 5 * Copyright (C) 2000  Niibe Yutaka
 6 * Copyright (C) 2005 - 2007 Paul Mundt
 7 */
 8#include <linux/module.h>
 9#include <linux/io.h>
10#include <asm/io_trapped.h>
11
12unsigned long sh_io_port_base __read_mostly = -1;
13EXPORT_SYMBOL(sh_io_port_base);
14
 
 
 
 
 
 
 
 
 
15void __iomem *ioport_map(unsigned long port, unsigned int nr)
16{
17	void __iomem *ret;
18
19	ret = __ioport_map_trapped(port, nr);
20	if (ret)
21		return ret;
22
23	return (void __iomem *)(port + sh_io_port_base);
24}
25EXPORT_SYMBOL(ioport_map);
26
27void ioport_unmap(void __iomem *addr)
28{
 
 
29}
30EXPORT_SYMBOL(ioport_unmap);