aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-integrator/lm.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-integrator/lm.c')
-rw-r--r--arch/arm/mach-integrator/lm.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/arch/arm/mach-integrator/lm.c b/arch/arm/mach-integrator/lm.c
new file mode 100644
index 000000000000..c5f19d160598
--- /dev/null
+++ b/arch/arm/mach-integrator/lm.c
@@ -0,0 +1,96 @@
1/*
2 * linux/arch/arm/mach-integrator/lm.c
3 *
4 * Copyright (C) 2003 Deep Blue Solutions Ltd, All Rights Reserved.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10#include <linux/module.h>
11#include <linux/init.h>
12#include <linux/device.h>
13
14#include <asm/arch/lm.h>
15
16#define to_lm_device(d) container_of(d, struct lm_device, dev)
17#define to_lm_driver(d) container_of(d, struct lm_driver, drv)
18
19static int lm_match(struct device *dev, struct device_driver *drv)
20{
21 return 1;
22}
23
24static struct bus_type lm_bustype = {
25 .name = "logicmodule",
26 .match = lm_match,
27// .suspend = lm_suspend,
28// .resume = lm_resume,
29};
30
31static int __init lm_init(void)
32{
33 return bus_register(&lm_bustype);
34}
35
36postcore_initcall(lm_init);
37
38static int lm_bus_probe(struct device *dev)
39{
40 struct lm_device *lmdev = to_lm_device(dev);
41 struct lm_driver *lmdrv = to_lm_driver(dev->driver);
42
43 return lmdrv->probe(lmdev);
44}
45
46static int lm_bus_remove(struct device *dev)
47{
48 struct lm_device *lmdev = to_lm_device(dev);
49 struct lm_driver *lmdrv = to_lm_driver(dev->driver);
50
51 lmdrv->remove(lmdev);
52 return 0;
53}
54
55int lm_driver_register(struct lm_driver *drv)
56{
57 drv->drv.bus = &lm_bustype;
58 drv->drv.probe = lm_bus_probe;
59 drv->drv.remove = lm_bus_remove;
60
61 return driver_register(&drv->drv);
62}
63
64void lm_driver_unregister(struct lm_driver *drv)
65{
66 driver_unregister(&drv->drv);
67}
68
69static void lm_device_release(struct device *dev)
70{
71 struct lm_device *d = to_lm_device(dev);
72
73 kfree(d);
74}
75
76int lm_device_register(struct lm_device *dev)
77{
78 int ret;
79
80 dev->dev.release = lm_device_release;
81 dev->dev.bus = &lm_bustype;
82
83 snprintf(dev->dev.bus_id, sizeof(dev->dev.bus_id), "lm%d", dev->id);
84 dev->resource.name = dev->dev.bus_id;
85
86 ret = request_resource(&iomem_resource, &dev->resource);
87 if (ret == 0) {
88 ret = device_register(&dev->dev);
89 if (ret)
90 release_resource(&dev->resource);
91 }
92 return ret;
93}
94
95EXPORT_SYMBOL(lm_driver_register);
96EXPORT_SYMBOL(lm_driver_unregister);