Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* linux/arch/arm/kernel/isa.c
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*
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* Copyright (C) 1999 Phil Blundell
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*
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* ISA shared memory and I/O port support, and is required to support
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* iopl, inb, outb and friends in userspace via glibc emulation.
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*/
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#include <linux/stddef.h>
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#include <linux/types.h>
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#include <linux/fs.h>
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#include <linux/sysctl.h>
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#include <linux/init.h>
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#include <linux/io.h>
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static unsigned int isa_membase, isa_portbase, isa_portshift;
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static const struct ctl_table ctl_isa_vars[] = {
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{
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.procname = "membase",
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.data = &isa_membase,
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.maxlen = sizeof(isa_membase),
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.mode = 0444,
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.proc_handler = proc_dointvec,
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}, {
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.procname = "portbase",
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.data = &isa_portbase,
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.maxlen = sizeof(isa_portbase),
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.mode = 0444,
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.proc_handler = proc_dointvec,
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}, {
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.procname = "portshift",
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.data = &isa_portshift,
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.maxlen = sizeof(isa_portshift),
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.mode = 0444,
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.proc_handler = proc_dointvec,
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},
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};
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static struct ctl_table_header *isa_sysctl_header;
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void __init
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register_isa_ports(unsigned int membase, unsigned int portbase, unsigned int portshift)
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{
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isa_membase = membase;
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isa_portbase = portbase;
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isa_portshift = portshift;
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isa_sysctl_header = register_sysctl("bus/isa", ctl_isa_vars);
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}
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