[mirror_ubuntu-jammy-kernel.git] / arch / sh / kernel / ioport.c

// SPDX-License-Identifier: GPL-2.0
/*
 * arch/sh/kernel/ioport.c
 *
 * Copyright (C) 2000  Niibe Yutaka
 * Copyright (C) 2005 - 2007 Paul Mundt
 */
#include <linux/module.h>
#include <linux/io.h>

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);
Commit	Line	Data
5933f6d2	1	// SPDX-License-Identifier: GPL-2.0
37b7a978 PM	2	/*
	3	* arch/sh/kernel/ioport.c
	4	*
	5	* Copyright (C) 2000 Niibe Yutaka
	6	* Copyright (C) 2005 - 2007 Paul Mundt
37b7a978 PM	7	*/
	8	#include <linux/module.h>
	9	#include <linux/io.h>
	10
666e81fd	11	unsigned long sh_io_port_base __read_mostly = -1;
37b7a978 PM	12	EXPORT_SYMBOL(sh_io_port_base);
	13
	14	void __iomem *__ioport_map(unsigned long addr, unsigned int size)
	15	{
	16	if (sh_mv.mv_ioport_map)
	17	return sh_mv.mv_ioport_map(addr, size);
	18
	19	return (void __iomem *)(addr + sh_io_port_base);
	20	}
	21	EXPORT_SYMBOL(__ioport_map);
	22
	23	void __iomem *ioport_map(unsigned long port, unsigned int nr)
	24	{
	25	void __iomem *ret;
	26
	27	ret = __ioport_map_trapped(port, nr);
	28	if (ret)
	29	return ret;
	30
	31	return __ioport_map(port, nr);
	32	}
	33	EXPORT_SYMBOL(ioport_map);
	34
	35	void ioport_unmap(void __iomem *addr)
	36	{
	37	if (sh_mv.mv_ioport_unmap)
	38	sh_mv.mv_ioport_unmap(addr);
	39	}
	40	EXPORT_SYMBOL(ioport_unmap);