blob: ef370210ffb25ead579f83591b3ce152d3fc80d8 [file] [log] [blame]
Stephen Rothwellf898f8d2007-05-01 16:49:51 +10001#ifndef _LINUX_OF_DEVICE_H
2#define _LINUX_OF_DEVICE_H
Stephen Rothwellf898f8d2007-05-01 16:49:51 +10003
Sudeep KarkadaNageshabd008602013-07-18 11:22:04 +01004#include <linux/cpu.h>
Grant Likelyf9f5a462010-06-09 22:22:17 -06005#include <linux/platform_device.h>
Grant Likely29596042010-06-29 11:15:54 -06006#include <linux/of_platform.h> /* temporary until merge */
Grant Likelyb505ff52010-06-18 11:09:59 -06007
Grant Likelyf9f5a462010-06-09 22:22:17 -06008#include <linux/of.h>
9#include <linux/mod_devicetable.h>
Stephen Rothwellf898f8d2007-05-01 16:49:51 +100010
Paul Gortmaker313162d2012-01-30 11:46:54 -050011struct device;
12
Rob Herringba166e92013-04-19 17:32:52 -050013#ifdef CONFIG_OF
Stephen Rothwellf898f8d2007-05-01 16:49:51 +100014extern const struct of_device_id *of_match_device(
Grant Likely44504b22010-04-13 16:13:22 -070015 const struct of_device_id *matches, const struct device *dev);
Grant Likelyc6601222010-07-23 15:04:01 -060016extern void of_device_make_bus_id(struct device *dev);
Stephen Rothwellf898f8d2007-05-01 16:49:51 +100017
Grant Likely8cec0e72010-06-08 07:48:17 -060018/**
19 * of_driver_match_device - Tell if a driver's of_match_table matches a device.
20 * @drv: the device_driver structure to test
21 * @dev: the device structure to match against
22 */
Grant Likelyb8262912011-02-17 02:37:15 -070023static inline int of_driver_match_device(struct device *dev,
Grant Likely8cec0e72010-06-08 07:48:17 -060024 const struct device_driver *drv)
25{
Grant Likelyb1608d62011-05-18 11:19:24 -060026 return of_match_device(drv->of_match_table, dev) != NULL;
Grant Likely8cec0e72010-06-08 07:48:17 -060027}
28
Grant Likely94a0cb12010-07-22 13:59:23 -060029extern struct platform_device *of_dev_get(struct platform_device *dev);
30extern void of_dev_put(struct platform_device *dev);
Stephen Rothwellf898f8d2007-05-01 16:49:51 +100031
Grant Likely7096d042010-10-20 11:45:13 -060032extern int of_device_add(struct platform_device *pdev);
Grant Likely94a0cb12010-07-22 13:59:23 -060033extern int of_device_register(struct platform_device *ofdev);
34extern void of_device_unregister(struct platform_device *ofdev);
Joachim Fenkesfec738d2007-09-26 19:44:12 +100035
Grant Likely34a1c1e2010-06-08 07:48:13 -060036extern ssize_t of_device_get_modalias(struct device *dev,
Stephen Rothwell09e67ca2008-05-16 11:57:45 +100037 char *str, ssize_t len);
Grant Likelydd27dcd2010-06-08 07:48:12 -060038
Grant Likely07d57a32012-02-01 11:22:22 -070039extern void of_device_uevent(struct device *dev, struct kobj_uevent_env *env);
40extern int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env);
Grant Likelydd27dcd2010-06-08 07:48:12 -060041
Grant Likely7096d042010-10-20 11:45:13 -060042static inline void of_device_node_put(struct device *dev)
43{
44 of_node_put(dev->of_node);
45}
Grant Likelydd27dcd2010-06-08 07:48:12 -060046
Sudeep KarkadaNageshabd008602013-07-18 11:22:04 +010047static inline struct device_node *of_cpu_device_node_get(int cpu)
48{
49 struct device *cpu_dev;
50 cpu_dev = get_cpu_device(cpu);
51 if (!cpu_dev)
52 return NULL;
53 return of_node_get(cpu_dev->of_node);
54}
55
Rob Herringba166e92013-04-19 17:32:52 -050056#else /* CONFIG_OF */
Grant Likely8cec0e72010-06-08 07:48:17 -060057
58static inline int of_driver_match_device(struct device *dev,
59 struct device_driver *drv)
60{
61 return 0;
62}
63
Grant Likely07d57a32012-02-01 11:22:22 -070064static inline void of_device_uevent(struct device *dev,
65 struct kobj_uevent_env *env) { }
66
Zhang Ruib9f73062014-01-14 16:46:38 +080067static inline int of_device_get_modalias(struct device *dev,
68 char *str, ssize_t len)
69{
70 return -ENODEV;
71}
72
Grant Likely07d57a32012-02-01 11:22:22 -070073static inline int of_device_uevent_modalias(struct device *dev,
Grant Likelyeca39302010-06-08 07:48:21 -060074 struct kobj_uevent_env *env)
75{
76 return -ENODEV;
77}
78
Grant Likely7096d042010-10-20 11:45:13 -060079static inline void of_device_node_put(struct device *dev) { }
80
Geert Uytterhoeven1db73ae2014-02-03 09:27:40 +010081static inline const struct of_device_id *__of_match_device(
Grant Likelyb1608d62011-05-18 11:19:24 -060082 const struct of_device_id *matches, const struct device *dev)
83{
84 return NULL;
85}
Geert Uytterhoeven1db73ae2014-02-03 09:27:40 +010086#define of_match_device(matches, dev) \
87 __of_match_device(of_match_ptr(matches), (dev))
Sudeep KarkadaNageshabd008602013-07-18 11:22:04 +010088
89static inline struct device_node *of_cpu_device_node_get(int cpu)
90{
91 return NULL;
92}
Rob Herringba166e92013-04-19 17:32:52 -050093#endif /* CONFIG_OF */
Stephen Rothwell09e67ca2008-05-16 11:57:45 +100094
Stephen Rothwellf898f8d2007-05-01 16:49:51 +100095#endif /* _LINUX_OF_DEVICE_H */