linux/arch/arm/kernel/isa.c
Thomas Gleixner 2874c5fd28 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
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>
2019-05-30 11:26:32 -07:00

67 lines
1.4 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* linux/arch/arm/kernel/isa.c
*
* Copyright (C) 1999 Phil Blundell
*
* ISA shared memory and I/O port support, and is required to support
* iopl, inb, outb and friends in userspace via glibc emulation.
*/
#include <linux/stddef.h>
#include <linux/types.h>
#include <linux/fs.h>
#include <linux/sysctl.h>
#include <linux/init.h>
#include <linux/io.h>
static unsigned int isa_membase, isa_portbase, isa_portshift;
static struct ctl_table ctl_isa_vars[4] = {
{
.procname = "membase",
.data = &isa_membase,
.maxlen = sizeof(isa_membase),
.mode = 0444,
.proc_handler = proc_dointvec,
}, {
.procname = "portbase",
.data = &isa_portbase,
.maxlen = sizeof(isa_portbase),
.mode = 0444,
.proc_handler = proc_dointvec,
}, {
.procname = "portshift",
.data = &isa_portshift,
.maxlen = sizeof(isa_portshift),
.mode = 0444,
.proc_handler = proc_dointvec,
}, {}
};
static struct ctl_table_header *isa_sysctl_header;
static struct ctl_table ctl_isa[2] = {
{
.procname = "isa",
.mode = 0555,
.child = ctl_isa_vars,
}, {}
};
static struct ctl_table ctl_bus[2] = {
{
.procname = "bus",
.mode = 0555,
.child = ctl_isa,
}, {}
};
void __init
register_isa_ports(unsigned int membase, unsigned int portbase, unsigned int portshift)
{
isa_membase = membase;
isa_portbase = portbase;
isa_portshift = portshift;
isa_sysctl_header = register_sysctl_table(ctl_bus);
}