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nv-tegra.nvidia.com / linux-4.4 / 01294d82622d6d9d64bde8e4530c7e2c6dbb6ee6 / . / include / linux / of_device.h
blob: b33d68814a73c5e188142d94fae95572826d64e1 [file] [log] [blame]
Stephen Rothwellf898f8d2007-05-01 16:49:51 +1000[diff] [blame]1#ifndef _LINUX_OF_DEVICE_H
2#define _LINUX_OF_DEVICE_H
Stephen Rothwellf898f8d2007-05-01 16:49:51 +1000[diff] [blame]3
Grant Likelyf9f5a462010-06-09 22:22:17 -0600[diff] [blame]4#include <linux/platform_device.h>
Grant Likely29596042010-06-29 11:15:54 -0600[diff] [blame]5#include <linux/of_platform.h> /* temporary until merge */
Grant Likelyb505ff52010-06-18 11:09:59 -0600[diff] [blame]6
Grant Likelyf9f5a462010-06-09 22:22:17 -0600[diff] [blame]7#ifdef CONFIG_OF_DEVICE
8#include <linux/device.h>
9#include <linux/of.h>
10#include <linux/mod_devicetable.h>
Stephen Rothwellf898f8d2007-05-01 16:49:51 +1000[diff] [blame]11
Stephen Rothwellf898f8d2007-05-01 16:49:51 +1000[diff] [blame]12extern const struct of_device_id *of_match_device(
Grant Likely44504b22010-04-13 16:13:22 -0700[diff] [blame]13 const struct of_device_id *matches, const struct device *dev);
Grant Likelyc6601222010-07-23 15:04:01 -0600[diff] [blame]14extern void of_device_make_bus_id(struct device *dev);
Stephen Rothwellf898f8d2007-05-01 16:49:51 +1000[diff] [blame]15
Grant Likely8cec0e72010-06-08 07:48:17 -0600[diff] [blame]16/**
17 * of_driver_match_device - Tell if a driver's of_match_table matches a device.
18 * @drv: the device_driver structure to test
19 * @dev: the device structure to match against
20 */
Grant Likelyb8262912011-02-17 02:37:15 -0700[diff] [blame]21static inline int of_driver_match_device(struct device *dev,
Grant Likely8cec0e72010-06-08 07:48:17 -0600[diff] [blame]22 const struct device_driver *drv)
23{
Milton Miller01294d82011-05-18 10:27:39 -0500[diff] [blame^]24 const struct of_device_id *match;
25
26 match = of_match_device(drv->of_match_table, dev);
27 if (match)
28 dev->of_match = match;
29 return match != NULL;
Grant Likely8cec0e72010-06-08 07:48:17 -0600[diff] [blame]30}
31
Grant Likely94a0cb12010-07-22 13:59:23 -0600[diff] [blame]32extern struct platform_device *of_dev_get(struct platform_device *dev);
33extern void of_dev_put(struct platform_device *dev);
Stephen Rothwellf898f8d2007-05-01 16:49:51 +1000[diff] [blame]34
Grant Likely7096d042010-10-20 11:45:13 -0600[diff] [blame]35extern int of_device_add(struct platform_device *pdev);
Grant Likely94a0cb12010-07-22 13:59:23 -0600[diff] [blame]36extern int of_device_register(struct platform_device *ofdev);
37extern void of_device_unregister(struct platform_device *ofdev);
Joachim Fenkesfec738d2007-09-26 19:44:12 +1000[diff] [blame]38
Grant Likely34a1c1e2010-06-08 07:48:13 -0600[diff] [blame]39extern ssize_t of_device_get_modalias(struct device *dev,
Stephen Rothwell09e67ca2008-05-16 11:57:45 +1000[diff] [blame]40 char *str, ssize_t len);
Grant Likelydd27dcd2010-06-08 07:48:12 -0600[diff] [blame]41
42extern int of_device_uevent(struct device *dev, struct kobj_uevent_env *env);
43
Grant Likely7096d042010-10-20 11:45:13 -0600[diff] [blame]44static inline void of_device_node_put(struct device *dev)
45{
46 of_node_put(dev->of_node);
47}
Grant Likelydd27dcd2010-06-08 07:48:12 -0600[diff] [blame]48
Grant Likely8cec0e72010-06-08 07:48:17 -0600[diff] [blame]49#else /* CONFIG_OF_DEVICE */
50
51static inline int of_driver_match_device(struct device *dev,
52 struct device_driver *drv)
53{
54 return 0;
55}
56
Grant Likelyeca39302010-06-08 07:48:21 -0600[diff] [blame]57static inline int of_device_uevent(struct device *dev,
58 struct kobj_uevent_env *env)
59{
60 return -ENODEV;
61}
62
Grant Likely7096d042010-10-20 11:45:13 -0600[diff] [blame]63static inline void of_device_node_put(struct device *dev) { }
64
Grant Likelyefb2e012010-04-13 16:12:27 -0700[diff] [blame]65#endif /* CONFIG_OF_DEVICE */
Stephen Rothwell09e67ca2008-05-16 11:57:45 +1000[diff] [blame]66
Stephen Rothwellf898f8d2007-05-01 16:49:51 +1000[diff] [blame]67#endif /* _LINUX_OF_DEVICE_H */