xref: /dragonfly/sys/dev/drm/include/linux/pm_runtime.h (revision d8082429)
1 /*
2  * Copyright (c) 2017-2019 François Tigeot <ftigeot@wolfpond.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice unmodified, this list of conditions, and the following
10  *    disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #ifndef LINUX_PM_RUNTIME_H
28 #define LINUX_PM_RUNTIME_H
29 
30 #include <linux/device.h>
31 #include <linux/notifier.h>
32 #include <linux/pm.h>
33 #include <linux/jiffies.h>
34 
35 extern void pm_runtime_enable(struct device *dev);
36 
37 static inline void
38 pm_runtime_disable(struct device *dev)
39 {
40 	/* pm_runtime_disable not implemented */
41 }
42 
43 static inline int
44 pm_runtime_set_active(struct device *dev)
45 {
46 	/* pm_runtime_set_active not implemented */
47 	return 0;
48 }
49 
50 static inline void
51 pm_runtime_mark_last_busy(struct device *dev)
52 {
53 	/* pm_runtime_mark_last_busy not implemented */
54 }
55 
56 static inline void
57 pm_runtime_forbid(struct device *dev)
58 {
59 	/* pm_runtime_forbid not implemented */
60 }
61 
62 static inline int
63 pm_runtime_get_sync(struct device *dev)
64 {
65 	/* pm_runtime_get_sync not implemented */
66 	return 0;
67 }
68 
69 static inline void
70 pm_runtime_put_autosuspend(struct device *dev)
71 {
72 	/* pm_runtime_put_autosuspend not implemented */
73 }
74 
75 #endif /* LINUX_PM_RUNTIME_H */
76