Gitiles
Code Review Sign In
gerrit-public.fairphone.software / kernel / msm-4.19 / a8dd9c4df18edc873d244790d163564a5d17626b / . / include / linux / of_device.h
blob: 165fd302b44241cea534acbbe57dc5033dcc5def [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);
Laurent Pinchart3f186672017-04-10 16:50:58 +0530[diff] [blame]61void of_dma_deconfigure(struct device *dev);
Rob Herringba166e92013-04-19 17:32:52 -0500[diff] [blame]62#else /* CONFIG_OF */
Grant Likely8cec0e72010-06-08 07:48:17 -0600[diff] [blame]63
64static inline int of_driver_match_device(struct device *dev,
Tomeu Vizoso35068ce2015-07-01 09:10:43 +0200[diff] [blame]65 const struct device_driver *drv)
Grant Likely8cec0e72010-06-08 07:48:17 -0600[diff] [blame]66{
67 return 0;
68}
69
Grant Likely07d57a32012-02-01 11:22:22 -0700[diff] [blame]70static inline void of_device_uevent(struct device *dev,
71 struct kobj_uevent_env *env) { }
72
Joachim Eastwood3386e0f2015-05-06 20:09:09 +0200[diff] [blame]73static inline const void *of_device_get_match_data(const struct device *dev)
74{
75 return NULL;
76}
77
Rob Herring0634c292017-03-22 09:16:27 -0500[diff] [blame]78static inline int of_device_modalias(struct device *dev,
79 char *str, ssize_t len)
Zhang Ruib9f73062014-01-14 16:46:38 +0800[diff] [blame]80{
81 return -ENODEV;
82}
83
Stephen Boyd9c829c02016-12-28 14:56:47 -0800[diff] [blame]84static inline int of_device_request_module(struct device *dev)
85{
86 return -ENODEV;
87}
88
Grant Likely07d57a32012-02-01 11:22:22 -0700[diff] [blame]89static inline int of_device_uevent_modalias(struct device *dev,
Grant Likelyeca39302010-06-08 07:48:21 -0600[diff] [blame]90 struct kobj_uevent_env *env)
91{
92 return -ENODEV;
93}
94
Grant Likely7096d042010-10-20 11:45:13 -0600[diff] [blame]95static inline void of_device_node_put(struct device *dev) { }
96
Geert Uytterhoeven1db73ae2014-02-03 09:27:40 +0100[diff] [blame]97static inline const struct of_device_id *__of_match_device(
Grant Likelyb1608d62011-05-18 11:19:24 -0600[diff] [blame]98 const struct of_device_id *matches, const struct device *dev)
99{
100 return NULL;
101}
Geert Uytterhoeven1db73ae2014-02-03 09:27:40 +0100[diff] [blame]102#define of_match_device(matches, dev) \
103 __of_match_device(of_match_ptr(matches), (dev))
Sudeep KarkadaNageshabd008602013-07-18 11:22:04 +0100[diff] [blame]104
105static inline struct device_node *of_cpu_device_node_get(int cpu)
106{
107 return NULL;
108}
Laurent Pinchart7b07cbe2017-04-10 16:51:02 +0530[diff] [blame]109
Christoph Hellwig3d6ce862018-05-03 16:25:08 +0200[diff] [blame]110static inline int of_dma_configure(struct device *dev,
111 struct device_node *np,
112 bool force_dma)
Laurent Pinchart7b07cbe2017-04-10 16:51:02 +0530[diff] [blame]113{
114 return 0;
115}
Laurent Pinchart3f186672017-04-10 16:50:58 +0530[diff] [blame]116static inline void of_dma_deconfigure(struct device *dev)
Murali Karicheri1f5c69a2015-03-03 12:52:09 -0500[diff] [blame]117{}
Rob Herringba166e92013-04-19 17:32:52 -0500[diff] [blame]118#endif /* CONFIG_OF */
Stephen Rothwell09e67ca2008-05-16 11:57:45 +1000[diff] [blame]119
Stephen Rothwellf898f8d2007-05-01 16:49:51 +1000[diff] [blame]120#endif /* _LINUX_OF_DEVICE_H */