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-rw-r--r--arch/arm/kernel/isa.c63
1 files changed, 42 insertions, 21 deletions
diff --git a/arch/arm/kernel/isa.c b/arch/arm/kernel/isa.c
index 685c3e591a7e..54bbd9fe255c 100644
--- a/arch/arm/kernel/isa.c
+++ b/arch/arm/kernel/isa.c
@@ -3,21 +3,14 @@
3 * 3 *
4 * Copyright (C) 1999 Phil Blundell 4 * Copyright (C) 1999 Phil Blundell
5 * 5 *
6 * ISA shared memory and I/O port support
7 */
8
9/*
10 * This program is free software; you can redistribute it and/or 6 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License 7 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 8 * as published by the Free Software Foundation; either version
13 * 2 of the License, or (at your option) any later version. 9 * 2 of the License, or (at your option) any later version.
10 *
11 * ISA shared memory and I/O port support, and is required to support
12 * iopl, inb, outb and friends in userspace via glibc emulation.
14 */ 13 */
15
16/*
17 * Nothing about this is actually ARM specific. One day we could move
18 * it into kernel/resource.c or some place like that.
19 */
20
21#include <linux/stddef.h> 14#include <linux/stddef.h>
22#include <linux/types.h> 15#include <linux/types.h>
23#include <linux/fs.h> 16#include <linux/fs.h>
@@ -27,21 +20,49 @@
27static unsigned int isa_membase, isa_portbase, isa_portshift; 20static unsigned int isa_membase, isa_portbase, isa_portshift;
28 21
29static ctl_table ctl_isa_vars[4] = { 22static ctl_table ctl_isa_vars[4] = {
30 {BUS_ISA_MEM_BASE, "membase", &isa_membase, 23 {
31 sizeof(isa_membase), 0444, NULL, &proc_dointvec}, 24 .ctl_name = BUS_ISA_MEM_BASE,
32 {BUS_ISA_PORT_BASE, "portbase", &isa_portbase, 25 .procname = "membase",
33 sizeof(isa_portbase), 0444, NULL, &proc_dointvec}, 26 .data = &isa_membase,
34 {BUS_ISA_PORT_SHIFT, "portshift", &isa_portshift, 27 .maxlen = sizeof(isa_membase),
35 sizeof(isa_portshift), 0444, NULL, &proc_dointvec}, 28 .mode = 0444,
36 {0} 29 .proc_handler = &proc_dointvec,
30 }, {
31 .ctl_name = BUS_ISA_PORT_BASE,
32 .procname = "portbase",
33 .data = &isa_portbase,
34 .maxlen = sizeof(isa_portbase),
35 .mode = 0444,
36 .proc_handler = &proc_dointvec,
37 }, {
38 .ctl_name = BUS_ISA_PORT_SHIFT,
39 .procname = "portshift",
40 .data = &isa_portshift,
41 .maxlen = sizeof(isa_portshift),
42 .mode = 0444,
43 .proc_handler = &proc_dointvec,
44 }, {0}
37}; 45};
38 46
39static struct ctl_table_header *isa_sysctl_header; 47static struct ctl_table_header *isa_sysctl_header;
40 48
41static ctl_table ctl_isa[2] = {{CTL_BUS_ISA, "isa", NULL, 0, 0555, ctl_isa_vars}, 49static ctl_table ctl_isa[2] = {
42 {0}}; 50 {
43static ctl_table ctl_bus[2] = {{CTL_BUS, "bus", NULL, 0, 0555, ctl_isa}, 51 .ctl_name = CTL_BUS_ISA,
44 {0}}; 52 .procname = "isa",
53 .mode = 0555,
54 .child = ctl_isa_vars,
55 }, {0}
56};
57
58static ctl_table ctl_bus[2] = {
59 {
60 .ctl_name = CTL_BUS,
61 .procname = "bus",
62 .mode = 0555,
63 .child = ctl_isa,
64 }, {0}
65};
45 66
46void __init 67void __init
47register_isa_ports(unsigned int membase, unsigned int portbase, unsigned int portshift) 68register_isa_ports(unsigned int membase, unsigned int portbase, unsigned int portshift)