rcu: remove all rcu head initializations, except on_stack initializations
[linux-2.6.git] / include / linux / of_platform.h
1 #ifndef _LINUX_OF_PLATFORM_H
2 #define _LINUX_OF_PLATFORM_H
3 /*
4  *    Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
5  *                       <benh@kernel.crashing.org>
6  *
7  *  This program is free software; you can redistribute it and/or
8  *  modify it under the terms of the GNU General Public License
9  *  as published by the Free Software Foundation; either version
10  *  2 of the License, or (at your option) any later version.
11  *
12  */
13
14 #include <linux/module.h>
15 #include <linux/device.h>
16 #include <linux/mod_devicetable.h>
17 #include <linux/pm.h>
18 #include <linux/of_device.h>
19
20 /*
21  * The of_platform_bus_type is a bus type used by drivers that do not
22  * attach to a macio or similar bus but still use OF probing
23  * mechanism
24  */
25 extern struct bus_type of_platform_bus_type;
26
27 /*
28  * An of_platform_driver driver is attached to a basic of_device on
29  * the "platform bus" (of_platform_bus_type).
30  */
31 struct of_platform_driver
32 {
33         const char              *name;
34         const struct of_device_id       *match_table;
35         struct module           *owner;
36
37         int     (*probe)(struct of_device* dev,
38                          const struct of_device_id *match);
39         int     (*remove)(struct of_device* dev);
40
41         int     (*suspend)(struct of_device* dev, pm_message_t state);
42         int     (*resume)(struct of_device* dev);
43         int     (*shutdown)(struct of_device* dev);
44
45         struct device_driver    driver;
46 };
47 #define to_of_platform_driver(drv) \
48         container_of(drv,struct of_platform_driver, driver)
49
50 extern int of_register_driver(struct of_platform_driver *drv,
51                               struct bus_type *bus);
52 extern void of_unregister_driver(struct of_platform_driver *drv);
53
54 /* Platform drivers register/unregister */
55 static inline int of_register_platform_driver(struct of_platform_driver *drv)
56 {
57         return of_register_driver(drv, &of_platform_bus_type);
58 }
59 static inline void of_unregister_platform_driver(struct of_platform_driver *drv)
60 {
61         of_unregister_driver(drv);
62 }
63
64 #include <asm/of_platform.h>
65
66 extern struct of_device *of_find_device_by_node(struct device_node *np);
67
68 extern int of_bus_type_init(struct bus_type *bus, const char *name);
69
70 #endif  /* _LINUX_OF_PLATFORM_H */