diff options
Diffstat (limited to 'arch/arm/kernel/isa.c')
-rw-r--r-- | arch/arm/kernel/isa.c | 63 |
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 @@ | |||
27 | static unsigned int isa_membase, isa_portbase, isa_portshift; | 20 | static unsigned int isa_membase, isa_portbase, isa_portshift; |
28 | 21 | ||
29 | static ctl_table ctl_isa_vars[4] = { | 22 | static 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 | ||
39 | static struct ctl_table_header *isa_sysctl_header; | 47 | static struct ctl_table_header *isa_sysctl_header; |
40 | 48 | ||
41 | static ctl_table ctl_isa[2] = {{CTL_BUS_ISA, "isa", NULL, 0, 0555, ctl_isa_vars}, | 49 | static ctl_table ctl_isa[2] = { |
42 | {0}}; | 50 | { |
43 | static 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 | |||
58 | static 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 | ||
46 | void __init | 67 | void __init |
47 | register_isa_ports(unsigned int membase, unsigned int portbase, unsigned int portshift) | 68 | register_isa_ports(unsigned int membase, unsigned int portbase, unsigned int portshift) |