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gerrit-public.fairphone.software / kernel / msm-4.9 / 0b88e7042a221a0318d726017b0f97aa42066826 / . / include / linux / of_device.h
blob: ef370210ffb25ead579f83591b3ce152d3fc80d8 [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
Sudeep KarkadaNageshabd008602013-07-18 11:22:04 +0100[diff] [blame]4#include <linux/cpu.h>
Grant Likelyf9f5a462010-06-09 22:22:17 -0600[diff] [blame]5#include <linux/platform_device.h>
Grant Likely29596042010-06-29 11:15:54 -0600[diff] [blame]6#include <linux/of_platform.h> /* temporary until merge */
Grant Likelyb505ff52010-06-18 11:09:59 -0600[diff] [blame]7
Grant Likelyf9f5a462010-06-09 22:22:17 -0600[diff] [blame]8#include <linux/of.h>
9#include <linux/mod_devicetable.h>
Stephen Rothwellf898f8d2007-05-01 16:49:51 +1000[diff] [blame]10
Paul Gortmaker313162d2012-01-30 11:46:54 -0500[diff] [blame]11struct device;
12
Rob Herringba166e92013-04-19 17:32:52 -0500[diff] [blame]13#ifdef CONFIG_OF
Stephen Rothwellf898f8d2007-05-01 16:49:51 +1000[diff] [blame]14extern const struct of_device_id *of_match_device(
Grant Likely44504b22010-04-13 16:13:22 -0700[diff] [blame]15 const struct of_device_id *matches, const struct device *dev);
Grant Likelyc6601222010-07-23 15:04:01 -0600[diff] [blame]16extern void of_device_make_bus_id(struct device *dev);
Stephen Rothwellf898f8d2007-05-01 16:49:51 +1000[diff] [blame]17
Grant Likely8cec0e72010-06-08 07:48:17 -0600[diff] [blame]18/**
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 -0700[diff] [blame]23static inline int of_driver_match_device(struct device *dev,
Grant Likely8cec0e72010-06-08 07:48:17 -0600[diff] [blame]24 const struct device_driver *drv)
25{
Grant Likelyb1608d62011-05-18 11:19:24 -0600[diff] [blame]26 return of_match_device(drv->of_match_table, dev) != NULL;
Grant Likely8cec0e72010-06-08 07:48:17 -0600[diff] [blame]27}
28
Grant Likely94a0cb12010-07-22 13:59:23 -0600[diff] [blame]29extern 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 +1000[diff] [blame]31
Grant Likely7096d042010-10-20 11:45:13 -0600[diff] [blame]32extern int of_device_add(struct platform_device *pdev);
Grant Likely94a0cb12010-07-22 13:59:23 -0600[diff] [blame]33extern int of_device_register(struct platform_device *ofdev);
34extern void of_device_unregister(struct platform_device *ofdev);
Joachim Fenkesfec738d2007-09-26 19:44:12 +1000[diff] [blame]35
Grant Likely34a1c1e2010-06-08 07:48:13 -0600[diff] [blame]36extern ssize_t of_device_get_modalias(struct device *dev,
Stephen Rothwell09e67ca2008-05-16 11:57:45 +1000[diff] [blame]37 char *str, ssize_t len);
Grant Likelydd27dcd2010-06-08 07:48:12 -0600[diff] [blame]38
Grant Likely07d57a32012-02-01 11:22:22 -0700[diff] [blame]39extern 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 -0600[diff] [blame]41
Grant Likely7096d042010-10-20 11:45:13 -0600[diff] [blame]42static 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 -0600[diff] [blame]46
Sudeep KarkadaNageshabd008602013-07-18 11:22:04 +0100[diff] [blame]47static 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 -0500[diff] [blame]56#else /* CONFIG_OF */
Grant Likely8cec0e72010-06-08 07:48:17 -0600[diff] [blame]57
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 -0700[diff] [blame]64static inline void of_device_uevent(struct device *dev,
65 struct kobj_uevent_env *env) { }
66
Zhang Ruib9f73062014-01-14 16:46:38 +0800[diff] [blame]67static 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 -0700[diff] [blame]73static inline int of_device_uevent_modalias(struct device *dev,
Grant Likelyeca39302010-06-08 07:48:21 -0600[diff] [blame]74 struct kobj_uevent_env *env)
75{
76 return -ENODEV;
77}
78
Grant Likely7096d042010-10-20 11:45:13 -0600[diff] [blame]79static inline void of_device_node_put(struct device *dev) { }
80
Geert Uytterhoeven1db73ae2014-02-03 09:27:40 +0100[diff] [blame]81static inline const struct of_device_id *__of_match_device(
Grant Likelyb1608d62011-05-18 11:19:24 -0600[diff] [blame]82 const struct of_device_id *matches, const struct device *dev)
83{
84 return NULL;
85}
Geert Uytterhoeven1db73ae2014-02-03 09:27:40 +0100[diff] [blame]86#define of_match_device(matches, dev) \
87 __of_match_device(of_match_ptr(matches), (dev))
Sudeep KarkadaNageshabd008602013-07-18 11:22:04 +0100[diff] [blame]88
89static inline struct device_node *of_cpu_device_node_get(int cpu)
90{
91 return NULL;
92}
Rob Herringba166e92013-04-19 17:32:52 -0500[diff] [blame]93#endif /* CONFIG_OF */
Stephen Rothwell09e67ca2008-05-16 11:57:45 +1000[diff] [blame]94
Stephen Rothwellf898f8d2007-05-01 16:49:51 +1000[diff] [blame]95#endif /* _LINUX_OF_DEVICE_H */