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);

 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);