diff --git a/include/linux/suspend.h b/include/linux/suspend.h index 0b1cf32edfd7ba1c456252124e23c68450d5bcc3..2159f6841768cdf19982feb3138152d929905b86 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -427,6 +427,7 @@ extern int unregister_pm_notifier(struct notifier_block *nb); /* drivers/base/power/wakeup.c */ extern bool events_check_enabled; extern unsigned int pm_wakeup_irq; +extern suspend_state_t pm_suspend_target_state; extern bool pm_wakeup_pending(void); extern void pm_system_wakeup(void); diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c index 3ecf275d7e44ef864bb0bcfa9b03c69f9f050483..d0c0b96c2383354e0053dbae31981ef18a4055e0 100644 --- a/kernel/power/suspend.c +++ b/kernel/power/suspend.c @@ -47,6 +47,8 @@ const char *mem_sleep_states[PM_SUSPEND_MAX]; suspend_state_t mem_sleep_current = PM_SUSPEND_FREEZE; static suspend_state_t mem_sleep_default = PM_SUSPEND_MEM; +suspend_state_t pm_suspend_target_state; +EXPORT_SYMBOL_GPL(pm_suspend_target_state); unsigned int pm_suspend_global_flags; EXPORT_SYMBOL_GPL(pm_suspend_global_flags); @@ -456,6 +458,8 @@ int suspend_devices_and_enter(suspend_state_t state) if (!sleep_state_supported(state)) return -ENOSYS; + pm_suspend_target_state = state; + error = platform_suspend_begin(state); if (error) goto Close; @@ -485,6 +489,7 @@ int suspend_devices_and_enter(suspend_state_t state) Close: platform_resume_end(state); + pm_suspend_target_state = PM_SUSPEND_ON; return error; Recover_platform: