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1#include <linux/pm_qos.h>
2
3static inline void device_pm_init_common(struct device *dev)
4{
5 if (!dev->power.early_init) {
6 spin_lock_init(&dev->power.lock);
7 dev->power.qos = NULL;
8 dev->power.early_init = true;
9 }
10}
11
12#ifdef CONFIG_PM
13
14static inline void pm_runtime_early_init(struct device *dev)
15{
16 dev->power.disable_depth = 1;
17 device_pm_init_common(dev);
18}
19
20extern void pm_runtime_init(struct device *dev);
21extern void pm_runtime_reinit(struct device *dev);
22extern void pm_runtime_remove(struct device *dev);
23
24struct wake_irq {
25 struct device *dev;
26 int irq;
27 bool dedicated_irq:1;
28};
29
30extern void dev_pm_arm_wake_irq(struct wake_irq *wirq);
31extern void dev_pm_disarm_wake_irq(struct wake_irq *wirq);
32
33#ifdef CONFIG_PM_SLEEP
34
35extern int device_wakeup_attach_irq(struct device *dev,
36 struct wake_irq *wakeirq);
37extern void device_wakeup_detach_irq(struct device *dev);
38extern void device_wakeup_arm_wake_irqs(void);
39extern void device_wakeup_disarm_wake_irqs(void);
40
41#else
42
43static inline int
44device_wakeup_attach_irq(struct device *dev,
45 struct wake_irq *wakeirq)
46{
47 return 0;
48}
49
50static inline void device_wakeup_detach_irq(struct device *dev)
51{
52}
53
54static inline void device_wakeup_arm_wake_irqs(void)
55{
56}
57
58static inline void device_wakeup_disarm_wake_irqs(void)
59{
60}
61
62#endif /* CONFIG_PM_SLEEP */
63
64/*
65 * sysfs.c
66 */
67
68extern int dpm_sysfs_add(struct device *dev);
69extern void dpm_sysfs_remove(struct device *dev);
70extern void rpm_sysfs_remove(struct device *dev);
71extern int wakeup_sysfs_add(struct device *dev);
72extern void wakeup_sysfs_remove(struct device *dev);
73extern int pm_qos_sysfs_add_resume_latency(struct device *dev);
74extern void pm_qos_sysfs_remove_resume_latency(struct device *dev);
75extern int pm_qos_sysfs_add_flags(struct device *dev);
76extern void pm_qos_sysfs_remove_flags(struct device *dev);
77extern int pm_qos_sysfs_add_latency_tolerance(struct device *dev);
78extern void pm_qos_sysfs_remove_latency_tolerance(struct device *dev);
79
80#else /* CONFIG_PM */
81
82static inline void pm_runtime_early_init(struct device *dev)
83{
84 device_pm_init_common(dev);
85}
86
87static inline void pm_runtime_init(struct device *dev) {}
88static inline void pm_runtime_reinit(struct device *dev) {}
89static inline void pm_runtime_remove(struct device *dev) {}
90
91static inline int dpm_sysfs_add(struct device *dev) { return 0; }
92static inline void dpm_sysfs_remove(struct device *dev) {}
93static inline void rpm_sysfs_remove(struct device *dev) {}
94static inline int wakeup_sysfs_add(struct device *dev) { return 0; }
95static inline void wakeup_sysfs_remove(struct device *dev) {}
96static inline int pm_qos_sysfs_add(struct device *dev) { return 0; }
97static inline void pm_qos_sysfs_remove(struct device *dev) {}
98
99static inline void dev_pm_arm_wake_irq(struct wake_irq *wirq)
100{
101}
102
103static inline void dev_pm_disarm_wake_irq(struct wake_irq *wirq)
104{
105}
106
107#endif
108
109#ifdef CONFIG_PM_SLEEP
110
111/* kernel/power/main.c */
112extern int pm_async_enabled;
113
114/* drivers/base/power/main.c */
115extern struct list_head dpm_list; /* The active device list */
116
117static inline struct device *to_device(struct list_head *entry)
118{
119 return container_of(entry, struct device, power.entry);
120}
121
122extern void device_pm_sleep_init(struct device *dev);
123extern void device_pm_add(struct device *);
124extern void device_pm_remove(struct device *);
125extern void device_pm_move_before(struct device *, struct device *);
126extern void device_pm_move_after(struct device *, struct device *);
127extern void device_pm_move_last(struct device *);
128extern void device_pm_check_callbacks(struct device *dev);
129
130#else /* !CONFIG_PM_SLEEP */
131
132static inline void device_pm_sleep_init(struct device *dev) {}
133
134static inline void device_pm_add(struct device *dev) {}
135
136static inline void device_pm_remove(struct device *dev)
137{
138 pm_runtime_remove(dev);
139}
140
141static inline void device_pm_move_before(struct device *deva,
142 struct device *devb) {}
143static inline void device_pm_move_after(struct device *deva,
144 struct device *devb) {}
145static inline void device_pm_move_last(struct device *dev) {}
146
147static inline void device_pm_check_callbacks(struct device *dev) {}
148
149#endif /* !CONFIG_PM_SLEEP */
150
151static inline void device_pm_init(struct device *dev)
152{
153 device_pm_init_common(dev);
154 device_pm_sleep_init(dev);
155 pm_runtime_init(dev);
156}
1/* SPDX-License-Identifier: GPL-2.0 */
2#include <linux/pm_qos.h>
3
4static inline void device_pm_init_common(struct device *dev)
5{
6 if (!dev->power.early_init) {
7 spin_lock_init(&dev->power.lock);
8 dev->power.qos = NULL;
9 dev->power.early_init = true;
10 }
11}
12
13#ifdef CONFIG_PM
14
15static inline void pm_runtime_early_init(struct device *dev)
16{
17 dev->power.disable_depth = 1;
18 device_pm_init_common(dev);
19}
20
21extern void pm_runtime_init(struct device *dev);
22extern void pm_runtime_reinit(struct device *dev);
23extern void pm_runtime_remove(struct device *dev);
24extern u64 pm_runtime_active_time(struct device *dev);
25
26#define WAKE_IRQ_DEDICATED_ALLOCATED BIT(0)
27#define WAKE_IRQ_DEDICATED_MANAGED BIT(1)
28#define WAKE_IRQ_DEDICATED_MASK (WAKE_IRQ_DEDICATED_ALLOCATED | \
29 WAKE_IRQ_DEDICATED_MANAGED)
30
31struct wake_irq {
32 struct device *dev;
33 unsigned int status;
34 int irq;
35 const char *name;
36};
37
38extern void dev_pm_arm_wake_irq(struct wake_irq *wirq);
39extern void dev_pm_disarm_wake_irq(struct wake_irq *wirq);
40extern void dev_pm_enable_wake_irq_check(struct device *dev,
41 bool can_change_status);
42extern void dev_pm_disable_wake_irq_check(struct device *dev);
43
44#ifdef CONFIG_PM_SLEEP
45
46extern void device_wakeup_attach_irq(struct device *dev, struct wake_irq *wakeirq);
47extern void device_wakeup_detach_irq(struct device *dev);
48extern void device_wakeup_arm_wake_irqs(void);
49extern void device_wakeup_disarm_wake_irqs(void);
50
51#else
52
53static inline void device_wakeup_attach_irq(struct device *dev,
54 struct wake_irq *wakeirq) {}
55
56static inline void device_wakeup_detach_irq(struct device *dev)
57{
58}
59
60#endif /* CONFIG_PM_SLEEP */
61
62/*
63 * sysfs.c
64 */
65
66extern int dpm_sysfs_add(struct device *dev);
67extern void dpm_sysfs_remove(struct device *dev);
68extern void rpm_sysfs_remove(struct device *dev);
69extern int wakeup_sysfs_add(struct device *dev);
70extern void wakeup_sysfs_remove(struct device *dev);
71extern int pm_qos_sysfs_add_resume_latency(struct device *dev);
72extern void pm_qos_sysfs_remove_resume_latency(struct device *dev);
73extern int pm_qos_sysfs_add_flags(struct device *dev);
74extern void pm_qos_sysfs_remove_flags(struct device *dev);
75extern int pm_qos_sysfs_add_latency_tolerance(struct device *dev);
76extern void pm_qos_sysfs_remove_latency_tolerance(struct device *dev);
77extern int dpm_sysfs_change_owner(struct device *dev, kuid_t kuid, kgid_t kgid);
78
79#else /* CONFIG_PM */
80
81static inline void pm_runtime_early_init(struct device *dev)
82{
83 device_pm_init_common(dev);
84}
85
86static inline void pm_runtime_init(struct device *dev) {}
87static inline void pm_runtime_reinit(struct device *dev) {}
88static inline void pm_runtime_remove(struct device *dev) {}
89
90static inline int dpm_sysfs_add(struct device *dev) { return 0; }
91static inline void dpm_sysfs_remove(struct device *dev) {}
92static inline int dpm_sysfs_change_owner(struct device *dev, kuid_t kuid,
93 kgid_t kgid) { return 0; }
94
95#endif
96
97#ifdef CONFIG_PM_SLEEP
98
99/* kernel/power/main.c */
100extern int pm_async_enabled;
101
102/* drivers/base/power/main.c */
103extern struct list_head dpm_list; /* The active device list */
104
105static inline struct device *to_device(struct list_head *entry)
106{
107 return container_of(entry, struct device, power.entry);
108}
109
110extern void device_pm_sleep_init(struct device *dev);
111extern void device_pm_add(struct device *);
112extern void device_pm_remove(struct device *);
113extern void device_pm_move_before(struct device *, struct device *);
114extern void device_pm_move_after(struct device *, struct device *);
115extern void device_pm_move_last(struct device *);
116extern void device_pm_check_callbacks(struct device *dev);
117
118static inline bool device_pm_initialized(struct device *dev)
119{
120 return dev->power.in_dpm_list;
121}
122
123/* drivers/base/power/wakeup_stats.c */
124extern int wakeup_source_sysfs_add(struct device *parent,
125 struct wakeup_source *ws);
126extern void wakeup_source_sysfs_remove(struct wakeup_source *ws);
127
128extern int pm_wakeup_source_sysfs_add(struct device *parent);
129
130#else /* !CONFIG_PM_SLEEP */
131
132static inline void device_pm_sleep_init(struct device *dev) {}
133
134static inline void device_pm_add(struct device *dev) {}
135
136static inline void device_pm_remove(struct device *dev)
137{
138 pm_runtime_remove(dev);
139}
140
141static inline void device_pm_move_before(struct device *deva,
142 struct device *devb) {}
143static inline void device_pm_move_after(struct device *deva,
144 struct device *devb) {}
145static inline void device_pm_move_last(struct device *dev) {}
146
147static inline void device_pm_check_callbacks(struct device *dev) {}
148
149static inline bool device_pm_initialized(struct device *dev)
150{
151 return device_is_registered(dev);
152}
153
154static inline int pm_wakeup_source_sysfs_add(struct device *parent)
155{
156 return 0;
157}
158
159#endif /* !CONFIG_PM_SLEEP */
160
161static inline void device_pm_init(struct device *dev)
162{
163 device_pm_init_common(dev);
164 device_pm_sleep_init(dev);
165 pm_runtime_init(dev);
166}