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gerrit-public.fairphone.software / kernel / msm-4.19 / 7467c9d9598993d8531b2f76c090a5743000612b / . / include / linux / of_device.h
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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);
Stephen Rothwellf898f8d2007-05-01 16:49:51 +1000[diff] [blame]16
Grant Likely8cec0e72010-06-08 07:48:17 -0600[diff] [blame]17/**
18 * of_driver_match_device - Tell if a driver's of_match_table matches a device.
19 * @drv: the device_driver structure to test
20 * @dev: the device structure to match against
21 */
Grant Likelyb8262912011-02-17 02:37:15 -0700[diff] [blame]22static inline int of_driver_match_device(struct device *dev,
Grant Likely8cec0e72010-06-08 07:48:17 -0600[diff] [blame]23 const struct device_driver *drv)
24{
Grant Likelyb1608d62011-05-18 11:19:24 -0600[diff] [blame]25 return of_match_device(drv->of_match_table, dev) != NULL;
Grant Likely8cec0e72010-06-08 07:48:17 -0600[diff] [blame]26}
27
Grant Likely94a0cb12010-07-22 13:59:23 -0600[diff] [blame]28extern struct platform_device *of_dev_get(struct platform_device *dev);
29extern void of_dev_put(struct platform_device *dev);
Stephen Rothwellf898f8d2007-05-01 16:49:51 +1000[diff] [blame]30
Grant Likely7096d042010-10-20 11:45:13 -0600[diff] [blame]31extern int of_device_add(struct platform_device *pdev);
Grant Likely94a0cb12010-07-22 13:59:23 -0600[diff] [blame]32extern int of_device_register(struct platform_device *ofdev);
33extern void of_device_unregister(struct platform_device *ofdev);
Joachim Fenkesfec738d2007-09-26 19:44:12 +1000[diff] [blame]34
Joachim Eastwood3386e0f2015-05-06 20:09:09 +0200[diff] [blame]35extern const void *of_device_get_match_data(const struct device *dev);
36
Rob Herring0634c292017-03-22 09:16:27 -0500[diff] [blame]37extern ssize_t of_device_modalias(struct device *dev, char *str, ssize_t len);
Stephen Boyd9c829c02016-12-28 14:56:47 -0800[diff] [blame]38extern int of_device_request_module(struct device *dev);
Grant Likelydd27dcd2010-06-08 07:48:12 -0600[diff] [blame]39
Grant Likely07d57a32012-02-01 11:22:22 -0700[diff] [blame]40extern void of_device_uevent(struct device *dev, struct kobj_uevent_env *env);
41extern int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env);
Grant Likelydd27dcd2010-06-08 07:48:12 -0600[diff] [blame]42
Grant Likely7096d042010-10-20 11:45:13 -0600[diff] [blame]43static inline void of_device_node_put(struct device *dev)
44{
45 of_node_put(dev->of_node);
46}
Grant Likelydd27dcd2010-06-08 07:48:12 -0600[diff] [blame]47
Sudeep KarkadaNageshabd008602013-07-18 11:22:04 +0100[diff] [blame]48static inline struct device_node *of_cpu_device_node_get(int cpu)
49{
50 struct device *cpu_dev;
51 cpu_dev = get_cpu_device(cpu);
52 if (!cpu_dev)
Sudeep Holla7467c9d2017-07-24 14:55:13 +0100[diff] [blame^]53 return of_get_cpu_node(cpu, NULL);
Sudeep KarkadaNageshabd008602013-07-18 11:22:04 +0100[diff] [blame]54 return of_node_get(cpu_dev->of_node);
55}
56
Laurent Pinchart7b07cbe2017-04-10 16:51:02 +0530[diff] [blame]57int of_dma_configure(struct device *dev, struct device_node *np);
Laurent Pinchart3f186672017-04-10 16:50:58 +0530[diff] [blame]58void of_dma_deconfigure(struct device *dev);
Rob Herringba166e92013-04-19 17:32:52 -0500[diff] [blame]59#else /* CONFIG_OF */
Grant Likely8cec0e72010-06-08 07:48:17 -0600[diff] [blame]60
61static inline int of_driver_match_device(struct device *dev,
Tomeu Vizoso35068ce2015-07-01 09:10:43 +0200[diff] [blame]62 const struct device_driver *drv)
Grant Likely8cec0e72010-06-08 07:48:17 -0600[diff] [blame]63{
64 return 0;
65}
66
Grant Likely07d57a32012-02-01 11:22:22 -0700[diff] [blame]67static inline void of_device_uevent(struct device *dev,
68 struct kobj_uevent_env *env) { }
69
Joachim Eastwood3386e0f2015-05-06 20:09:09 +0200[diff] [blame]70static inline const void *of_device_get_match_data(const struct device *dev)
71{
72 return NULL;
73}
74
Rob Herring0634c292017-03-22 09:16:27 -0500[diff] [blame]75static inline int of_device_modalias(struct device *dev,
76 char *str, ssize_t len)
Zhang Ruib9f73062014-01-14 16:46:38 +0800[diff] [blame]77{
78 return -ENODEV;
79}
80
Stephen Boyd9c829c02016-12-28 14:56:47 -0800[diff] [blame]81static inline int of_device_request_module(struct device *dev)
82{
83 return -ENODEV;
84}
85
Grant Likely07d57a32012-02-01 11:22:22 -0700[diff] [blame]86static inline int of_device_uevent_modalias(struct device *dev,
Grant Likelyeca39302010-06-08 07:48:21 -0600[diff] [blame]87 struct kobj_uevent_env *env)
88{
89 return -ENODEV;
90}
91
Grant Likely7096d042010-10-20 11:45:13 -0600[diff] [blame]92static inline void of_device_node_put(struct device *dev) { }
93
Geert Uytterhoeven1db73ae2014-02-03 09:27:40 +0100[diff] [blame]94static inline const struct of_device_id *__of_match_device(
Grant Likelyb1608d62011-05-18 11:19:24 -0600[diff] [blame]95 const struct of_device_id *matches, const struct device *dev)
96{
97 return NULL;
98}
Geert Uytterhoeven1db73ae2014-02-03 09:27:40 +0100[diff] [blame]99#define of_match_device(matches, dev) \
100 __of_match_device(of_match_ptr(matches), (dev))
Sudeep KarkadaNageshabd008602013-07-18 11:22:04 +0100[diff] [blame]101
102static inline struct device_node *of_cpu_device_node_get(int cpu)
103{
104 return NULL;
105}
Laurent Pinchart7b07cbe2017-04-10 16:51:02 +0530[diff] [blame]106
107static inline int of_dma_configure(struct device *dev, struct device_node *np)
108{
109 return 0;
110}
Laurent Pinchart3f186672017-04-10 16:50:58 +0530[diff] [blame]111static inline void of_dma_deconfigure(struct device *dev)
Murali Karicheri1f5c69a2015-03-03 12:52:09 -0500[diff] [blame]112{}
Rob Herringba166e92013-04-19 17:32:52 -0500[diff] [blame]113#endif /* CONFIG_OF */
Stephen Rothwell09e67ca2008-05-16 11:57:45 +1000[diff] [blame]114
Stephen Rothwellf898f8d2007-05-01 16:49:51 +1000[diff] [blame]115#endif /* _LINUX_OF_DEVICE_H */