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review.shift-gmbh.com / SHIFTPHONES / kernel / common / 997c4431f04d8f0d6063bac3bcdceba8d939b879 / . / include / linux / of_device.h
blob: 8d31e39dd5641c63664467ebd302498be1710455 [file] [log] [blame]
Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +0100[diff] [blame]1/* SPDX-License-Identifier: GPL-2.0 */
Stephen Rothwellf898f8d2007-05-01 16:49:51 +1000[diff] [blame]2#ifndef _LINUX_OF_DEVICE_H
3#define _LINUX_OF_DEVICE_H
Stephen Rothwellf898f8d2007-05-01 16:49:51 +1000[diff] [blame]4
Sudeep KarkadaNageshabd008602013-07-18 11:22:04 +0100[diff] [blame]5#include <linux/cpu.h>
Grant Likelyf9f5a462010-06-09 22:22:17 -0600[diff] [blame]6#include <linux/platform_device.h>
Grant Likely29596042010-06-29 11:15:54 -0600[diff] [blame]7#include <linux/of_platform.h> /* temporary until merge */
Grant Likelyb505ff52010-06-18 11:09:59 -0600[diff] [blame]8
Grant Likelyf9f5a462010-06-09 22:22:17 -0600[diff] [blame]9#include <linux/of.h>
10#include <linux/mod_devicetable.h>
Stephen Rothwellf898f8d2007-05-01 16:49:51 +1000[diff] [blame]11
Paul Gortmaker313162d2012-01-30 11:46:54 -0500[diff] [blame]12struct device;
13
Rob Herringba166e92013-04-19 17:32:52 -0500[diff] [blame]14#ifdef CONFIG_OF
Stephen Rothwellf898f8d2007-05-01 16:49:51 +1000[diff] [blame]15extern const struct of_device_id *of_match_device(
Grant Likely44504b22010-04-13 16:13:22 -0700[diff] [blame]16 const struct of_device_id *matches, const 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
Joachim Eastwood3386e0f2015-05-06 20:09:09 +0200[diff] [blame]36extern const void *of_device_get_match_data(const struct device *dev);
37
Rob Herring0634c292017-03-22 09:16:27 -0500[diff] [blame]38extern ssize_t of_device_modalias(struct device *dev, char *str, ssize_t len);
Stephen Boyd9c829c02016-12-28 14:56:47 -0800[diff] [blame]39extern int of_device_request_module(struct device *dev);
Grant Likelydd27dcd2010-06-08 07:48:12 -0600[diff] [blame]40
Grant Likely07d57a32012-02-01 11:22:22 -0700[diff] [blame]41extern 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 -0600[diff] [blame]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
Sudeep KarkadaNageshabd008602013-07-18 11:22:04 +0100[diff] [blame]49static 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)
Sudeep Holla7467c9d2017-07-24 14:55:13 +0100[diff] [blame]54 return of_get_cpu_node(cpu, NULL);
Sudeep KarkadaNageshabd008602013-07-18 11:22:04 +0100[diff] [blame]55 return of_node_get(cpu_dev->of_node);
56}
57
Christoph Hellwig3d6ce862018-05-03 16:25:08 +0200[diff] [blame]58int of_dma_configure(struct device *dev,
59 struct device_node *np,
60 bool force_dma);
Rob Herringba166e92013-04-19 17:32:52 -0500[diff] [blame]61#else /* CONFIG_OF */
Grant Likely8cec0e72010-06-08 07:48:17 -0600[diff] [blame]62
63static inline int of_driver_match_device(struct device *dev,
Tomeu Vizoso35068ce2015-07-01 09:10:43 +0200[diff] [blame]64 const struct device_driver *drv)
Grant Likely8cec0e72010-06-08 07:48:17 -0600[diff] [blame]65{
66 return 0;
67}
68
Grant Likely07d57a32012-02-01 11:22:22 -0700[diff] [blame]69static inline void of_device_uevent(struct device *dev,
70 struct kobj_uevent_env *env) { }
71
Joachim Eastwood3386e0f2015-05-06 20:09:09 +0200[diff] [blame]72static inline const void *of_device_get_match_data(const struct device *dev)
73{
74 return NULL;
75}
76
Rob Herring0634c292017-03-22 09:16:27 -0500[diff] [blame]77static inline int of_device_modalias(struct device *dev,
78 char *str, ssize_t len)
Zhang Ruib9f73062014-01-14 16:46:38 +0800[diff] [blame]79{
80 return -ENODEV;
81}
82
Stephen Boyd9c829c02016-12-28 14:56:47 -0800[diff] [blame]83static inline int of_device_request_module(struct device *dev)
84{
85 return -ENODEV;
86}
87
Grant Likely07d57a32012-02-01 11:22:22 -0700[diff] [blame]88static inline int of_device_uevent_modalias(struct device *dev,
Grant Likelyeca39302010-06-08 07:48:21 -0600[diff] [blame]89 struct kobj_uevent_env *env)
90{
91 return -ENODEV;
92}
93
Grant Likely7096d042010-10-20 11:45:13 -0600[diff] [blame]94static inline void of_device_node_put(struct device *dev) { }
95
Geert Uytterhoeven1db73ae2014-02-03 09:27:40 +0100[diff] [blame]96static inline const struct of_device_id *__of_match_device(
Grant Likelyb1608d62011-05-18 11:19:24 -0600[diff] [blame]97 const struct of_device_id *matches, const struct device *dev)
98{
99 return NULL;
100}
Geert Uytterhoeven1db73ae2014-02-03 09:27:40 +0100[diff] [blame]101#define of_match_device(matches, dev) \
102 __of_match_device(of_match_ptr(matches), (dev))
Sudeep KarkadaNageshabd008602013-07-18 11:22:04 +0100[diff] [blame]103
104static inline struct device_node *of_cpu_device_node_get(int cpu)
105{
106 return NULL;
107}
Laurent Pinchart7b07cbe2017-04-10 16:51:02 +0530[diff] [blame]108
Christoph Hellwig3d6ce862018-05-03 16:25:08 +0200[diff] [blame]109static inline int of_dma_configure(struct device *dev,
110 struct device_node *np,
111 bool force_dma)
Laurent Pinchart7b07cbe2017-04-10 16:51:02 +0530[diff] [blame]112{
113 return 0;
114}
Rob Herringba166e92013-04-19 17:32:52 -0500[diff] [blame]115#endif /* CONFIG_OF */
Stephen Rothwell09e67ca2008-05-16 11:57:45 +1000[diff] [blame]116
Stephen Rothwellf898f8d2007-05-01 16:49:51 +1000[diff] [blame]117#endif /* _LINUX_OF_DEVICE_H */