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Diffstat (limited to 'include/linux/suspend.h')
-rw-r--r--include/linux/suspend.h83
1 files changed, 24 insertions, 59 deletions
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index ef503088942d..b1c76c8f2c82 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -40,65 +40,6 @@ typedef int __bitwise suspend_state_t;
#define PM_SUSPEND_MIN PM_SUSPEND_TO_IDLE
#define PM_SUSPEND_MAX ((__force suspend_state_t) 4)
-enum suspend_stat_step {
- SUSPEND_FREEZE = 1,
- SUSPEND_PREPARE,
- SUSPEND_SUSPEND,
- SUSPEND_SUSPEND_LATE,
- SUSPEND_SUSPEND_NOIRQ,
- SUSPEND_RESUME_NOIRQ,
- SUSPEND_RESUME_EARLY,
- SUSPEND_RESUME
-};
-
-struct suspend_stats {
- int success;
- int fail;
- int failed_freeze;
- int failed_prepare;
- int failed_suspend;
- int failed_suspend_late;
- int failed_suspend_noirq;
- int failed_resume;
- int failed_resume_early;
- int failed_resume_noirq;
-#define REC_FAILED_NUM 2
- int last_failed_dev;
- char failed_devs[REC_FAILED_NUM][40];
- int last_failed_errno;
- int errno[REC_FAILED_NUM];
- int last_failed_step;
- u64 last_hw_sleep;
- u64 total_hw_sleep;
- u64 max_hw_sleep;
- enum suspend_stat_step failed_steps[REC_FAILED_NUM];
-};
-
-extern struct suspend_stats suspend_stats;
-
-static inline void dpm_save_failed_dev(const char *name)
-{
- strscpy(suspend_stats.failed_devs[suspend_stats.last_failed_dev],
- name,
- sizeof(suspend_stats.failed_devs[0]));
- suspend_stats.last_failed_dev++;
- suspend_stats.last_failed_dev %= REC_FAILED_NUM;
-}
-
-static inline void dpm_save_failed_errno(int err)
-{
- suspend_stats.errno[suspend_stats.last_failed_errno] = err;
- suspend_stats.last_failed_errno++;
- suspend_stats.last_failed_errno %= REC_FAILED_NUM;
-}
-
-static inline void dpm_save_failed_step(enum suspend_stat_step step)
-{
- suspend_stats.failed_steps[suspend_stats.last_failed_step] = step;
- suspend_stats.last_failed_step++;
- suspend_stats.last_failed_step %= REC_FAILED_NUM;
-}
-
/**
* struct platform_suspend_ops - Callbacks for managing platform dependent
* system sleep states.
@@ -357,6 +298,11 @@ static inline void s2idle_set_ops(const struct platform_s2idle_ops *ops) {}
static inline void s2idle_wake(void) {}
#endif /* !CONFIG_SUSPEND */
+static inline bool pm_suspend_in_progress(void)
+{
+ return pm_suspend_target_state != PM_SUSPEND_ON;
+}
+
/* struct pbe is used for creating lists of pages that should be restored
* atomically during the resume from disk, because the page frames they have
* occupied before the suspend are in use.
@@ -529,6 +475,8 @@ extern void pm_print_active_wakeup_sources(void);
extern unsigned int lock_system_sleep(void);
extern void unlock_system_sleep(unsigned int);
+extern bool pm_sleep_transition_in_progress(void);
+
#else /* !CONFIG_PM_SLEEP */
static inline int register_pm_notifier(struct notifier_block *nb)
@@ -557,6 +505,8 @@ static inline void pm_system_irq_wakeup(unsigned int irq_number) {}
static inline unsigned int lock_system_sleep(void) { return 0; }
static inline void unlock_system_sleep(unsigned int flags) {}
+static inline bool pm_sleep_transition_in_progress(void) { return false; }
+
#endif /* !CONFIG_PM_SLEEP */
#ifdef CONFIG_PM_SLEEP_DEBUG
@@ -626,4 +576,19 @@ static inline void queue_up_suspend_work(void) {}
#endif /* !CONFIG_PM_AUTOSLEEP */
+enum suspend_stat_step {
+ SUSPEND_WORKING = 0,
+ SUSPEND_FREEZE,
+ SUSPEND_PREPARE,
+ SUSPEND_SUSPEND,
+ SUSPEND_SUSPEND_LATE,
+ SUSPEND_SUSPEND_NOIRQ,
+ SUSPEND_RESUME_NOIRQ,
+ SUSPEND_RESUME_EARLY,
+ SUSPEND_RESUME
+};
+
+void dpm_save_failed_dev(const char *name);
+void dpm_save_failed_step(enum suspend_stat_step step);
+
#endif /* _LINUX_SUSPEND_H */