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}

  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);
 
 24
 25#define WAKE_IRQ_DEDICATED_ALLOCATED	BIT(0)
 26#define WAKE_IRQ_DEDICATED_MANAGED	BIT(1)
 27#define WAKE_IRQ_DEDICATED_MASK		(WAKE_IRQ_DEDICATED_ALLOCATED | \
 28					 WAKE_IRQ_DEDICATED_MANAGED)
 29
 30struct wake_irq {
 31	struct device *dev;
 32	unsigned int status;
 33	int irq;
 34	const char *name;
 35};
 36
 37extern void dev_pm_arm_wake_irq(struct wake_irq *wirq);
 38extern void dev_pm_disarm_wake_irq(struct wake_irq *wirq);
 39extern void dev_pm_enable_wake_irq_check(struct device *dev,
 40					 bool can_change_status);
 41extern void dev_pm_disable_wake_irq_check(struct device *dev);
 42
 43#ifdef CONFIG_PM_SLEEP
 44
 45extern void device_wakeup_attach_irq(struct device *dev, struct wake_irq *wakeirq);
 46extern void device_wakeup_detach_irq(struct device *dev);
 47extern void device_wakeup_arm_wake_irqs(void);
 48extern void device_wakeup_disarm_wake_irqs(void);
 49
 50#else
 51
 52static inline void device_wakeup_attach_irq(struct device *dev,
 53					    struct wake_irq *wakeirq) {}
 54
 55static inline void device_wakeup_detach_irq(struct device *dev)
 56{
 57}
 58
 59static inline void device_wakeup_arm_wake_irqs(void)
 60{
 61}
 62
 63static inline void device_wakeup_disarm_wake_irqs(void)
 64{
 65}
 66
 67#endif /* CONFIG_PM_SLEEP */
 68
 69/*
 70 * sysfs.c
 71 */
 72
 73extern int dpm_sysfs_add(struct device *dev);
 74extern void dpm_sysfs_remove(struct device *dev);
 75extern void rpm_sysfs_remove(struct device *dev);
 76extern int wakeup_sysfs_add(struct device *dev);
 77extern void wakeup_sysfs_remove(struct device *dev);
 78extern int pm_qos_sysfs_add_resume_latency(struct device *dev);
 79extern void pm_qos_sysfs_remove_resume_latency(struct device *dev);
 80extern int pm_qos_sysfs_add_flags(struct device *dev);
 81extern void pm_qos_sysfs_remove_flags(struct device *dev);
 82extern int pm_qos_sysfs_add_latency_tolerance(struct device *dev);
 83extern void pm_qos_sysfs_remove_latency_tolerance(struct device *dev);
 
 84
 85#else /* CONFIG_PM */
 86
 87static inline void pm_runtime_early_init(struct device *dev)
 88{
 89	device_pm_init_common(dev);
 90}
 91
 92static inline void pm_runtime_init(struct device *dev) {}
 93static inline void pm_runtime_reinit(struct device *dev) {}
 94static inline void pm_runtime_remove(struct device *dev) {}
 95
 96static inline int dpm_sysfs_add(struct device *dev) { return 0; }
 97static inline void dpm_sysfs_remove(struct device *dev) {}
 98static inline void rpm_sysfs_remove(struct device *dev) {}
 99static inline int wakeup_sysfs_add(struct device *dev) { return 0; }
100static inline void wakeup_sysfs_remove(struct device *dev) {}
101static inline int pm_qos_sysfs_add(struct device *dev) { return 0; }
102static inline void pm_qos_sysfs_remove(struct device *dev) {}
103
104static inline void dev_pm_arm_wake_irq(struct wake_irq *wirq)
105{
106}
107
108static inline void dev_pm_disarm_wake_irq(struct wake_irq *wirq)
109{
110}
111
112static inline void dev_pm_enable_wake_irq_check(struct device *dev,
113						bool can_change_status)
114{
115}
116
117static inline void dev_pm_disable_wake_irq_check(struct device *dev)
118{
119}
120
121#endif
122
123#ifdef CONFIG_PM_SLEEP
124
125/* kernel/power/main.c */
126extern int pm_async_enabled;
127
128/* drivers/base/power/main.c */
129extern struct list_head dpm_list;	/* The active device list */
130
131static inline struct device *to_device(struct list_head *entry)
132{
133	return container_of(entry, struct device, power.entry);
134}
135
136extern void device_pm_sleep_init(struct device *dev);
137extern void device_pm_add(struct device *);
138extern void device_pm_remove(struct device *);
139extern void device_pm_move_before(struct device *, struct device *);
140extern void device_pm_move_after(struct device *, struct device *);
141extern void device_pm_move_last(struct device *);
142extern void device_pm_check_callbacks(struct device *dev);
143
144static inline bool device_pm_initialized(struct device *dev)
145{
146	return dev->power.in_dpm_list;
147}
148
 
 
 
 
 
 
 
149#else /* !CONFIG_PM_SLEEP */
150
151static inline void device_pm_sleep_init(struct device *dev) {}
152
153static inline void device_pm_add(struct device *dev) {}
154
155static inline void device_pm_remove(struct device *dev)
156{
157	pm_runtime_remove(dev);
158}
159
160static inline void device_pm_move_before(struct device *deva,
161					 struct device *devb) {}
162static inline void device_pm_move_after(struct device *deva,
163					struct device *devb) {}
164static inline void device_pm_move_last(struct device *dev) {}
165
166static inline void device_pm_check_callbacks(struct device *dev) {}
167
168static inline bool device_pm_initialized(struct device *dev)
169{
170	return device_is_registered(dev);
 
 
 
 
 
171}
172
173#endif /* !CONFIG_PM_SLEEP */
174
175static inline void device_pm_init(struct device *dev)
176{
177	device_pm_init_common(dev);
178	device_pm_sleep_init(dev);
179	pm_runtime_init(dev);
180}