31 lines
609 B
C
31 lines
609 B
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* arch/sh/kernel/ioport.c
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*
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* Copyright (C) 2000 Niibe Yutaka
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* Copyright (C) 2005 - 2007 Paul Mundt
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*/
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#include <linux/module.h>
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#include <linux/io.h>
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#include <asm/io_trapped.h>
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unsigned long sh_io_port_base __read_mostly = -1;
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EXPORT_SYMBOL(sh_io_port_base);
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void __iomem *ioport_map(unsigned long port, unsigned int nr)
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{
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void __iomem *ret;
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ret = __ioport_map_trapped(port, nr);
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if (ret)
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return ret;
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return (void __iomem *)(port + sh_io_port_base);
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}
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EXPORT_SYMBOL(ioport_map);
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void ioport_unmap(void __iomem *addr)
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{
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}
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EXPORT_SYMBOL(ioport_unmap);
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