diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-04-06 20:08:49 -0400 |
---|---|---|
committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-04-06 20:08:49 -0400 |
commit | a244b25217978ffd54d2cd87013b3cd564689462 (patch) | |
tree | 8316b0eb088427e5f77d9f111c42470d5f6821dc /drivers/misc/hdpuftrs/hdpu_nexus.c | |
parent | 0fdf86754f70e813845af4abaa805165ce57a0bb (diff) |
Remove unused HDPU driver
This driver seems to be specific to a "Sky CPU" board for which we
don't appear to have upstream support (or not any more). No Kconfig
file in the kernel ever enables it. So remove it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'drivers/misc/hdpuftrs/hdpu_nexus.c')
-rw-r--r-- | drivers/misc/hdpuftrs/hdpu_nexus.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/drivers/misc/hdpuftrs/hdpu_nexus.c b/drivers/misc/hdpuftrs/hdpu_nexus.c deleted file mode 100644 index ce39fa54949b..000000000000 --- a/drivers/misc/hdpuftrs/hdpu_nexus.c +++ /dev/null | |||
@@ -1,149 +0,0 @@ | |||
1 | /* | ||
2 | * Sky Nexus Register Driver | ||
3 | * | ||
4 | * Copyright (C) 2002 Brian Waite | ||
5 | * | ||
6 | * This driver allows reading the Nexus register | ||
7 | * It exports the /proc/sky_chassis_id and also | ||
8 | * /proc/sky_slot_id pseudo-file for status information. | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or | ||
11 | * modify it under the terms of the GNU General Public License | ||
12 | * as published by the Free Software Foundation; either version | ||
13 | * 2 of the License, or (at your option) any later version. | ||
14 | * | ||
15 | */ | ||
16 | |||
17 | #include <linux/module.h> | ||
18 | #include <linux/kernel.h> | ||
19 | #include <linux/proc_fs.h> | ||
20 | #include <linux/hdpu_features.h> | ||
21 | #include <linux/platform_device.h> | ||
22 | #include <linux/seq_file.h> | ||
23 | #include <asm/io.h> | ||
24 | |||
25 | static int hdpu_nexus_probe(struct platform_device *pdev); | ||
26 | static int hdpu_nexus_remove(struct platform_device *pdev); | ||
27 | static int hdpu_slot_id_open(struct inode *inode, struct file *file); | ||
28 | static int hdpu_slot_id_read(struct seq_file *seq, void *offset); | ||
29 | static int hdpu_chassis_id_open(struct inode *inode, struct file *file); | ||
30 | static int hdpu_chassis_id_read(struct seq_file *seq, void *offset); | ||
31 | |||
32 | static struct proc_dir_entry *hdpu_slot_id; | ||
33 | static struct proc_dir_entry *hdpu_chassis_id; | ||
34 | static int slot_id = -1; | ||
35 | static int chassis_id = -1; | ||
36 | |||
37 | static const struct file_operations proc_slot_id = { | ||
38 | .open = hdpu_slot_id_open, | ||
39 | .read = seq_read, | ||
40 | .llseek = seq_lseek, | ||
41 | .release = single_release, | ||
42 | .owner = THIS_MODULE, | ||
43 | }; | ||
44 | |||
45 | static const struct file_operations proc_chassis_id = { | ||
46 | .open = hdpu_chassis_id_open, | ||
47 | .read = seq_read, | ||
48 | .llseek = seq_lseek, | ||
49 | .release = single_release, | ||
50 | .owner = THIS_MODULE, | ||
51 | }; | ||
52 | |||
53 | static struct platform_driver hdpu_nexus_driver = { | ||
54 | .probe = hdpu_nexus_probe, | ||
55 | .remove = hdpu_nexus_remove, | ||
56 | .driver = { | ||
57 | .name = HDPU_NEXUS_NAME, | ||
58 | .owner = THIS_MODULE, | ||
59 | }, | ||
60 | }; | ||
61 | |||
62 | static int hdpu_slot_id_open(struct inode *inode, struct file *file) | ||
63 | { | ||
64 | return single_open(file, hdpu_slot_id_read, NULL); | ||
65 | } | ||
66 | |||
67 | static int hdpu_slot_id_read(struct seq_file *seq, void *offset) | ||
68 | { | ||
69 | seq_printf(seq, "%d\n", slot_id); | ||
70 | return 0; | ||
71 | } | ||
72 | |||
73 | static int hdpu_chassis_id_open(struct inode *inode, struct file *file) | ||
74 | { | ||
75 | return single_open(file, hdpu_chassis_id_read, NULL); | ||
76 | } | ||
77 | |||
78 | static int hdpu_chassis_id_read(struct seq_file *seq, void *offset) | ||
79 | { | ||
80 | seq_printf(seq, "%d\n", chassis_id); | ||
81 | return 0; | ||
82 | } | ||
83 | |||
84 | static int hdpu_nexus_probe(struct platform_device *pdev) | ||
85 | { | ||
86 | struct resource *res; | ||
87 | int *nexus_id_addr; | ||
88 | |||
89 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | ||
90 | if (!res) { | ||
91 | printk(KERN_ERR "sky_nexus: " | ||
92 | "Invalid memory resource.\n"); | ||
93 | return -EINVAL; | ||
94 | } | ||
95 | nexus_id_addr = ioremap(res->start, | ||
96 | (unsigned long)(res->end - res->start)); | ||
97 | if (nexus_id_addr) { | ||
98 | slot_id = (*nexus_id_addr >> 8) & 0x1f; | ||
99 | chassis_id = *nexus_id_addr & 0xff; | ||
100 | iounmap(nexus_id_addr); | ||
101 | } else { | ||
102 | printk(KERN_ERR "sky_nexus: Could not map slot id\n"); | ||
103 | } | ||
104 | |||
105 | hdpu_slot_id = proc_create("sky_slot_id", 0666, NULL, &proc_slot_id); | ||
106 | if (!hdpu_slot_id) { | ||
107 | printk(KERN_WARNING "sky_nexus: " | ||
108 | "Unable to create proc dir entry: sky_slot_id\n"); | ||
109 | } | ||
110 | |||
111 | hdpu_chassis_id = proc_create("sky_chassis_id", 0666, NULL, | ||
112 | &proc_chassis_id); | ||
113 | if (!hdpu_chassis_id) | ||
114 | printk(KERN_WARNING "sky_nexus: " | ||
115 | "Unable to create proc dir entry: sky_chassis_id\n"); | ||
116 | |||
117 | return 0; | ||
118 | } | ||
119 | |||
120 | static int hdpu_nexus_remove(struct platform_device *pdev) | ||
121 | { | ||
122 | slot_id = -1; | ||
123 | chassis_id = -1; | ||
124 | |||
125 | remove_proc_entry("sky_slot_id", NULL); | ||
126 | remove_proc_entry("sky_chassis_id", NULL); | ||
127 | |||
128 | hdpu_slot_id = 0; | ||
129 | hdpu_chassis_id = 0; | ||
130 | |||
131 | return 0; | ||
132 | } | ||
133 | |||
134 | static int __init nexus_init(void) | ||
135 | { | ||
136 | return platform_driver_register(&hdpu_nexus_driver); | ||
137 | } | ||
138 | |||
139 | static void __exit nexus_exit(void) | ||
140 | { | ||
141 | platform_driver_unregister(&hdpu_nexus_driver); | ||
142 | } | ||
143 | |||
144 | module_init(nexus_init); | ||
145 | module_exit(nexus_exit); | ||
146 | |||
147 | MODULE_AUTHOR("Brian Waite"); | ||
148 | MODULE_LICENSE("GPL"); | ||
149 | MODULE_ALIAS("platform:" HDPU_NEXUS_NAME); | ||