1 /* SPDX-License-Identifier: GPL-2.0 */
2 #include <linux/pm_qos.h>
4 static inline void device_pm_init_common(struct device *dev)
6 if (!dev->power.early_init) {
7 spin_lock_init(&dev->power.lock);
9 dev->power.early_init = true;
15 static inline void pm_runtime_early_init(struct device *dev)
17 dev->power.disable_depth = 1;
18 device_pm_init_common(dev);
21 extern void pm_runtime_init(struct device *dev);
22 extern void pm_runtime_reinit(struct device *dev);
23 extern void pm_runtime_remove(struct device *dev);
24 extern u64 pm_runtime_active_time(struct device *dev);
26 #define WAKE_IRQ_DEDICATED_ALLOCATED BIT(0)
27 #define WAKE_IRQ_DEDICATED_MANAGED BIT(1)
28 #define WAKE_IRQ_DEDICATED_REVERSE BIT(2)
29 #define WAKE_IRQ_DEDICATED_MASK (WAKE_IRQ_DEDICATED_ALLOCATED | \
30 WAKE_IRQ_DEDICATED_MANAGED | \
31 WAKE_IRQ_DEDICATED_REVERSE)
40 extern void dev_pm_arm_wake_irq(struct wake_irq *wirq);
41 extern void dev_pm_disarm_wake_irq(struct wake_irq *wirq);
42 extern void dev_pm_enable_wake_irq_check(struct device *dev,
43 bool can_change_status);
44 extern void dev_pm_disable_wake_irq_check(struct device *dev, bool cond_disable);
45 extern void dev_pm_enable_wake_irq_complete(struct device *dev);
47 #ifdef CONFIG_PM_SLEEP
49 extern void device_wakeup_attach_irq(struct device *dev, struct wake_irq *wakeirq);
50 extern void device_wakeup_detach_irq(struct device *dev);
51 extern void device_wakeup_arm_wake_irqs(void);
52 extern void device_wakeup_disarm_wake_irqs(void);
56 static inline void device_wakeup_attach_irq(struct device *dev,
57 struct wake_irq *wakeirq) {}
59 static inline void device_wakeup_detach_irq(struct device *dev)
63 #endif /* CONFIG_PM_SLEEP */
69 extern int dpm_sysfs_add(struct device *dev);
70 extern void dpm_sysfs_remove(struct device *dev);
71 extern void rpm_sysfs_remove(struct device *dev);
72 extern int wakeup_sysfs_add(struct device *dev);
73 extern void wakeup_sysfs_remove(struct device *dev);
74 extern int pm_qos_sysfs_add_resume_latency(struct device *dev);
75 extern void pm_qos_sysfs_remove_resume_latency(struct device *dev);
76 extern int pm_qos_sysfs_add_flags(struct device *dev);
77 extern void pm_qos_sysfs_remove_flags(struct device *dev);
78 extern int pm_qos_sysfs_add_latency_tolerance(struct device *dev);
79 extern void pm_qos_sysfs_remove_latency_tolerance(struct device *dev);
80 extern int dpm_sysfs_change_owner(struct device *dev, kuid_t kuid, kgid_t kgid);
84 static inline void pm_runtime_early_init(struct device *dev)
86 device_pm_init_common(dev);
89 static inline void pm_runtime_init(struct device *dev) {}
90 static inline void pm_runtime_reinit(struct device *dev) {}
91 static inline void pm_runtime_remove(struct device *dev) {}
93 static inline int dpm_sysfs_add(struct device *dev) { return 0; }
94 static inline void dpm_sysfs_remove(struct device *dev) {}
95 static inline int dpm_sysfs_change_owner(struct device *dev, kuid_t kuid,
96 kgid_t kgid) { return 0; }
100 #ifdef CONFIG_PM_SLEEP
102 /* kernel/power/main.c */
103 extern int pm_async_enabled;
105 /* drivers/base/power/main.c */
106 extern struct list_head dpm_list; /* The active device list */
108 static inline struct device *to_device(struct list_head *entry)
110 return container_of(entry, struct device, power.entry);
113 extern void device_pm_sleep_init(struct device *dev);
114 extern void device_pm_add(struct device *);
115 extern void device_pm_remove(struct device *);
116 extern void device_pm_move_before(struct device *, struct device *);
117 extern void device_pm_move_after(struct device *, struct device *);
118 extern void device_pm_move_last(struct device *);
119 extern void device_pm_check_callbacks(struct device *dev);
121 static inline bool device_pm_initialized(struct device *dev)
123 return dev->power.in_dpm_list;
126 /* drivers/base/power/wakeup_stats.c */
127 extern int wakeup_source_sysfs_add(struct device *parent,
128 struct wakeup_source *ws);
129 extern void wakeup_source_sysfs_remove(struct wakeup_source *ws);
131 extern int pm_wakeup_source_sysfs_add(struct device *parent);
133 #else /* !CONFIG_PM_SLEEP */
135 static inline void device_pm_sleep_init(struct device *dev) {}
137 static inline void device_pm_add(struct device *dev) {}
139 static inline void device_pm_remove(struct device *dev)
141 pm_runtime_remove(dev);
144 static inline void device_pm_move_before(struct device *deva,
145 struct device *devb) {}
146 static inline void device_pm_move_after(struct device *deva,
147 struct device *devb) {}
148 static inline void device_pm_move_last(struct device *dev) {}
150 static inline void device_pm_check_callbacks(struct device *dev) {}
152 static inline bool device_pm_initialized(struct device *dev)
154 return device_is_registered(dev);
157 static inline int pm_wakeup_source_sysfs_add(struct device *parent)
162 #endif /* !CONFIG_PM_SLEEP */
164 static inline void device_pm_init(struct device *dev)
166 device_pm_init_common(dev);
167 device_pm_sleep_init(dev);
168 pm_runtime_init(dev);