diff options
| -rw-r--r-- | include/linux/suspend.h | 2 | ||||
| -rw-r--r-- | kernel/power/hibernate.c | 11 |
2 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/suspend.h b/include/linux/suspend.h index 317ae31e89b3..0664c685f0b2 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -276,6 +276,7 @@ extern void arch_suspend_enable_irqs(void); extern int pm_suspend(suspend_state_t state); extern bool sync_on_suspend_enabled; +bool pm_hibernation_mode_is_suspend(void); #else /* !CONFIG_SUSPEND */ #define suspend_valid_only_mem NULL @@ -288,6 +289,7 @@ static inline bool pm_suspend_via_firmware(void) { return false; } static inline bool pm_resume_via_firmware(void) { return false; } static inline bool pm_suspend_no_platform(void) { return false; } static inline bool pm_suspend_default_s2idle(void) { return false; } +static inline bool pm_hibernation_mode_is_suspend(void) { return false; } static inline void suspend_set_ops(const struct platform_suspend_ops *ops) {} static inline int pm_suspend(suspend_state_t state) { return -ENOSYS; } diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index e0cdb8d9fd45..5d146218cae8 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -80,6 +80,17 @@ static const struct platform_hibernation_ops *hibernation_ops; static atomic_t hibernate_atomic = ATOMIC_INIT(1); +#ifdef CONFIG_SUSPEND +/** + * pm_hibernation_mode_is_suspend - Check if hibernation has been set to suspend + */ +bool pm_hibernation_mode_is_suspend(void) +{ + return hibernation_mode == HIBERNATION_SUSPEND; +} +EXPORT_SYMBOL_GPL(pm_hibernation_mode_is_suspend); +#endif + bool hibernate_acquire(void) { return atomic_add_unless(&hibernate_atomic, -1, 0); |