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2874c5fd28
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
67 lines
1.4 KiB
C
67 lines
1.4 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 struct ctl_table ctl_isa_vars[4] = {
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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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static struct ctl_table ctl_isa[2] = {
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{
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.procname = "isa",
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.mode = 0555,
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.child = ctl_isa_vars,
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}, {}
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};
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static struct ctl_table ctl_bus[2] = {
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{
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.procname = "bus",
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.mode = 0555,
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.child = ctl_isa,
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}, {}
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};
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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_table(ctl_bus);
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}
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