diff options
| -rw-r--r-- | drivers/base/power/main.c | 14 | ||||
| -rw-r--r-- | include/linux/suspend.h | 2 |
2 files changed, 16 insertions, 0 deletions
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index eebe699fdf4f..63f3a48f434c 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -66,6 +66,20 @@ static pm_message_t pm_transition; static DEFINE_MUTEX(async_wip_mtx); static int async_error; +/** + * pm_hibernate_is_recovering - if recovering from hibernate due to error. + * + * Used to query if dev_pm_ops.thaw() is called for normal hibernation case or + * recovering from some error. + * + * Return: true for error case, false for normal case. + */ +bool pm_hibernate_is_recovering(void) +{ + return pm_transition.event == PM_EVENT_RECOVER; +} +EXPORT_SYMBOL_GPL(pm_hibernate_is_recovering); + static const char *pm_verb(int event) { switch (event) { diff --git a/include/linux/suspend.h b/include/linux/suspend.h index b1c76c8f2c82..293137210fdf 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -426,6 +426,8 @@ int is_hibernate_resume_dev(dev_t dev); static inline int is_hibernate_resume_dev(dev_t dev) { return 0; } #endif +bool pm_hibernate_is_recovering(void); + /* Hibernation and suspend events */ #define PM_HIBERNATION_PREPARE 0x0001 /* Going to hibernate */ #define PM_POST_HIBERNATION 0x0002 /* Hibernation finished */ |