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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);
Stephen Rothwellf898f8d2007-05-01 16:49:51 +100016
Grant Likely8cec0e72010-06-08 07:48:17 -060017/**
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 -070022static inline int of_driver_match_device(struct device *dev,
Grant Likely8cec0e72010-06-08 07:48:17 -060023 const struct device_driver *drv)
24{
Grant Likelyb1608d62011-05-18 11:19:24 -060025 return of_match_device(drv->of_match_table, dev) != NULL;
Grant Likely8cec0e72010-06-08 07:48:17 -060026}
27
Grant Likely94a0cb12010-07-22 13:59:23 -060028extern 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 +100030
Grant Likely7096d042010-10-20 11:45:13 -060031extern int of_device_add(struct platform_device *pdev);
Grant Likely94a0cb12010-07-22 13:59:23 -060032extern int of_device_register(struct platform_device *ofdev);
33extern void of_device_unregister(struct platform_device *ofdev);
Joachim Fenkesfec738d2007-09-26 19:44:12 +100034
Joachim Eastwood3386e0f2015-05-06 20:09:09 +020035extern const void *of_device_get_match_data(const struct device *dev);
36
Grant Likely34a1c1e2010-06-08 07:48:13 -060037extern ssize_t of_device_get_modalias(struct device *dev,
Stephen Rothwell09e67ca2008-05-16 11:57:45 +100038 char *str, ssize_t len);
Stephen Boyd9c829c02016-12-28 14:56:47 -080039extern int of_device_request_module(struct device *dev);
Grant Likelydd27dcd2010-06-08 07:48:12 -060040
Grant Likely07d57a32012-02-01 11:22:22 -070041extern void of_device_uevent(struct device *dev, struct kobj_uevent_env *env);
42extern int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env);
Grant Likelydd27dcd2010-06-08 07:48:12 -060043
Grant Likely7096d042010-10-20 11:45:13 -060044static 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 -060048
Sudeep KarkadaNageshabd008602013-07-18 11:22:04 +010049static inline struct device_node *of_cpu_device_node_get(int cpu)
50{
51 struct device *cpu_dev;
52 cpu_dev = get_cpu_device(cpu);
53 if (!cpu_dev)
54 return NULL;
55 return of_node_get(cpu_dev->of_node);
56}
57
Laurent Pinchart7b07cbe2017-04-10 16:51:02 +053058int of_dma_configure(struct device *dev, struct device_node *np);
Laurent Pinchart3f186672017-04-10 16:50:58 +053059void of_dma_deconfigure(struct device *dev);
Rob Herringba166e92013-04-19 17:32:52 -050060#else /* CONFIG_OF */
Grant Likely8cec0e72010-06-08 07:48:17 -060061
62static inline int of_driver_match_device(struct device *dev,
Tomeu Vizoso35068ce2015-07-01 09:10:43 +020063 const struct device_driver *drv)
Grant Likely8cec0e72010-06-08 07:48:17 -060064{
65 return 0;
66}
67
Grant Likely07d57a32012-02-01 11:22:22 -070068static inline void of_device_uevent(struct device *dev,
69 struct kobj_uevent_env *env) { }
70
Joachim Eastwood3386e0f2015-05-06 20:09:09 +020071static inline const void *of_device_get_match_data(const struct device *dev)
72{
73 return NULL;
74}
75
Zhang Ruib9f73062014-01-14 16:46:38 +080076static inline int of_device_get_modalias(struct device *dev,
77 char *str, ssize_t len)
78{
79 return -ENODEV;
80}
81
Stephen Boyd9c829c02016-12-28 14:56:47 -080082static inline int of_device_request_module(struct device *dev)
83{
84 return -ENODEV;
85}
86
Grant Likely07d57a32012-02-01 11:22:22 -070087static inline int of_device_uevent_modalias(struct device *dev,
Grant Likelyeca39302010-06-08 07:48:21 -060088 struct kobj_uevent_env *env)
89{
90 return -ENODEV;
91}
92
Grant Likely7096d042010-10-20 11:45:13 -060093static inline void of_device_node_put(struct device *dev) { }
94
Geert Uytterhoeven1db73ae2014-02-03 09:27:40 +010095static inline const struct of_device_id *__of_match_device(
Grant Likelyb1608d62011-05-18 11:19:24 -060096 const struct of_device_id *matches, const struct device *dev)
97{
98 return NULL;
99}
Geert Uytterhoeven1db73ae2014-02-03 09:27:40 +0100100#define of_match_device(matches, dev) \
101 __of_match_device(of_match_ptr(matches), (dev))
Sudeep KarkadaNageshabd008602013-07-18 11:22:04 +0100102
103static inline struct device_node *of_cpu_device_node_get(int cpu)
104{
105 return NULL;
106}
Laurent Pinchart7b07cbe2017-04-10 16:51:02 +0530107
108static inline int of_dma_configure(struct device *dev, struct device_node *np)
109{
110 return 0;
111}
Laurent Pinchart3f186672017-04-10 16:50:58 +0530112static inline void of_dma_deconfigure(struct device *dev)
113{}
Rob Herringba166e92013-04-19 17:32:52 -0500114#endif /* CONFIG_OF */
Stephen Rothwell09e67ca2008-05-16 11:57:45 +1000115
Stephen Rothwellf898f8d2007-05-01 16:49:51 +1000116#endif /* _LINUX_OF_DEVICE_H */