1 files changed, 39 insertions, 0 deletions

diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 5efe743ce1e8..8b6ec7ef0854 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -202,6 +202,36 @@ struct platform_freeze_ops {
 extern void suspend_set_ops(const struct platform_suspend_ops *ops);
 extern int suspend_valid_only_mem(suspend_state_t state);
 
+extern unsigned int pm_suspend_global_flags;
+
+#define PM_SUSPEND_FLAG_FW_SUSPEND	(1 << 0)
+#define PM_SUSPEND_FLAG_FW_RESUME	(1 << 1)
+
+static inline void pm_suspend_clear_flags(void)
+{
+	pm_suspend_global_flags = 0;
+}
+
+static inline void pm_set_suspend_via_firmware(void)
+{
+	pm_suspend_global_flags |= PM_SUSPEND_FLAG_FW_SUSPEND;
+}
+
+static inline void pm_set_resume_via_firmware(void)
+{
+	pm_suspend_global_flags |= PM_SUSPEND_FLAG_FW_RESUME;
+}
+
+static inline bool pm_suspend_via_firmware(void)
+{
+	return !!(pm_suspend_global_flags & PM_SUSPEND_FLAG_FW_SUSPEND);
+}
+
+static inline bool pm_resume_via_firmware(void)
+{
+	return !!(pm_suspend_global_flags & PM_SUSPEND_FLAG_FW_RESUME);
+}
+
 /* Suspend-to-idle state machnine. */
 enum freeze_state {
 	FREEZE_STATE_NONE,      /* Not suspended/suspending. */
@@ -241,6 +271,12 @@ extern int pm_suspend(suspend_state_t state);
 #else /* !CONFIG_SUSPEND */
 #define suspend_valid_only_mem	NULL
 
+static inline void pm_suspend_clear_flags(void) {}
+static inline void pm_set_suspend_via_firmware(void) {}
+static inline void pm_set_resume_via_firmware(void) {}
+static inline bool pm_suspend_via_firmware(void) { return false; }
+static inline bool pm_resume_via_firmware(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; }
 static inline bool idle_should_freeze(void) { return false; }
@@ -387,10 +423,12 @@ 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 bool pm_wakeup_pending(void);
 extern void pm_system_wakeup(void);
 extern void pm_wakeup_clear(void);
+extern void pm_system_irq_wakeup(unsigned int irq_number);
 extern bool pm_get_wakeup_count(unsigned int *count, bool block);
 extern bool pm_save_wakeup_count(unsigned int count);
 extern void pm_wakep_autosleep_enabled(bool set);
@@ -440,6 +478,7 @@ static inline int unregister_pm_notifier(struct notifier_block *nb)
 static inline bool pm_wakeup_pending(void) { return false; }
 static inline void pm_system_wakeup(void) {}
 static inline void pm_wakeup_clear(void) {}
+static inline void pm_system_irq_wakeup(unsigned int irq_number) {}
 
 static inline void lock_system_sleep(void) {}
 static inline void unlock_system_sleep(void) {}