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41 lines
869 B
41 lines
869 B
// 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 addr, unsigned int size) |
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{ |
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if (sh_mv.mv_ioport_map) |
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return sh_mv.mv_ioport_map(addr, size); |
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return (void __iomem *)(addr + sh_io_port_base); |
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} |
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EXPORT_SYMBOL(__ioport_map); |
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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 __ioport_map(port, nr); |
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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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if (sh_mv.mv_ioport_unmap) |
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sh_mv.mv_ioport_unmap(addr); |
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} |
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EXPORT_SYMBOL(ioport_unmap);
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