vmscan: convert direct reclaim tracepoint to DEFINE_TRACE
[sfrench/cifs-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 #ifdef CONFIG_OF_DEVICE
15 #include <linux/module.h>
16 #include <linux/device.h>
17 #include <linux/mod_devicetable.h>
18 #include <linux/pm.h>
19 #include <linux/of_device.h>
20 #include <linux/platform_device.h>
21
22 /*
23  * An of_platform_driver driver is attached to a basic of_device on
24  * the "platform bus" (platform_bus_type).
25  */
26 struct of_platform_driver
27 {
28         int     (*probe)(struct platform_device* dev,
29                          const struct of_device_id *match);
30         int     (*remove)(struct platform_device* dev);
31
32         int     (*suspend)(struct platform_device* dev, pm_message_t state);
33         int     (*resume)(struct platform_device* dev);
34         int     (*shutdown)(struct platform_device* dev);
35
36         struct device_driver    driver;
37         struct platform_driver  platform_driver;
38 };
39 #define to_of_platform_driver(drv) \
40         container_of(drv,struct of_platform_driver, driver)
41
42 extern int of_register_driver(struct of_platform_driver *drv,
43                               struct bus_type *bus);
44 extern void of_unregister_driver(struct of_platform_driver *drv);
45
46 /* Platform drivers register/unregister */
47 extern int of_register_platform_driver(struct of_platform_driver *drv);
48 extern void of_unregister_platform_driver(struct of_platform_driver *drv);
49
50 extern struct platform_device *of_device_alloc(struct device_node *np,
51                                          const char *bus_id,
52                                          struct device *parent);
53 extern struct platform_device *of_find_device_by_node(struct device_node *np);
54
55 extern int of_bus_type_init(struct bus_type *bus, const char *name);
56
57 #if !defined(CONFIG_SPARC) /* SPARC has its own device registration method */
58 /* Platform devices and busses creation */
59 extern struct platform_device *of_platform_device_create(struct device_node *np,
60                                                    const char *bus_id,
61                                                    struct device *parent);
62
63 /* pseudo "matches" value to not do deep probe */
64 #define OF_NO_DEEP_PROBE ((struct of_device_id *)-1)
65
66 extern int of_platform_bus_probe(struct device_node *root,
67                                  const struct of_device_id *matches,
68                                  struct device *parent);
69 #endif /* !CONFIG_SPARC */
70
71 #endif /* CONFIG_OF_DEVICE */
72
73 #endif  /* _LINUX_OF_PLATFORM_H */