6 files changed, 46 insertions, 11 deletions

diff --git a/drivers/base/power/generic_ops.c b/drivers/base/power/generic_ops.c
index 5ee030a864f9..a2e55bfdf572 100644
--- a/drivers/base/power/generic_ops.c
+++ b/drivers/base/power/generic_ops.c
@@ -10,7 +10,7 @@
 #include <linux/pm_runtime.h>
 #include <linux/export.h>
 
-#ifdef CONFIG_PM_RUNTIME
+#ifdef CONFIG_PM
 /**
  * pm_generic_runtime_suspend - Generic runtime suspend callback for subsystems.
  * @dev: Device to suspend.
@@ -48,7 +48,7 @@ int pm_generic_runtime_resume(struct device *dev)
         return ret;
 }
 EXPORT_SYMBOL_GPL(pm_generic_runtime_resume);
-#endif /* CONFIG_PM_RUNTIME */
+#endif /* CONFIG_PM */
 
 #ifdef CONFIG_PM_SLEEP
 /**
diff --git a/drivers/char/apm-emulation.c b/drivers/char/apm-emulation.c
index 46118f845948..dd9dfa15e9d1 100644
--- a/drivers/char/apm-emulation.c
+++ b/drivers/char/apm-emulation.c
@@ -531,6 +531,7 @@ static int apm_suspend_notifier(struct notifier_block *nb,
 {
         struct apm_user *as;
         int err;
+        unsigned long apm_event;
 
         /* short-cut emergency suspends */
         if (atomic_read(&userspace_notification_inhibit))
@@ -538,6 +539,9 @@ static int apm_suspend_notifier(struct notifier_block *nb,
 
         switch (event) {
         case PM_SUSPEND_PREPARE:
+        case PM_HIBERNATION_PREPARE:
+                apm_event = (event == PM_SUSPEND_PREPARE) ?
+                        APM_USER_SUSPEND : APM_USER_HIBERNATION;
                 /*
                  * Queue an event to all "writer" users that we want
                  * to suspend and need their ack.
@@ -550,7 +554,7 @@ static int apm_suspend_notifier(struct notifier_block *nb,
                             as->writer && as->suser) {
                                 as->suspend_state = SUSPEND_PENDING;
                                 atomic_inc(&suspend_acks_pending);
-                                queue_add_event(&as->queue, APM_USER_SUSPEND);
+                                queue_add_event(&as->queue, apm_event);
                         }
                 }
 
@@ -601,11 +605,14 @@ static int apm_suspend_notifier(struct notifier_block *nb,
                 return notifier_from_errno(err);
 
         case PM_POST_SUSPEND:
+        case PM_POST_HIBERNATION:
+                apm_event = (event == PM_POST_SUSPEND) ?
+                        APM_NORMAL_RESUME : APM_HIBERNATION_RESUME;
                 /*
                  * Anyone on the APM queues will think we're still suspended.
                  * Send a message so everyone knows we're now awake again.
                  */
-                queue_event(APM_NORMAL_RESUME);
+                queue_event(apm_event);
 
                 /*
                  * Finally, wake up anyone who is sleeping on the suspend.
diff --git a/include/linux/pm.h b/include/linux/pm.h
index a224c7f5c377..8c6583a53a06 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -311,6 +311,18 @@ struct dev_pm_ops {
 #define SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn)
 #endif
 
+#ifdef CONFIG_PM_SLEEP
+#define SET_LATE_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
+        .suspend_late = suspend_fn, \
+        .resume_early = resume_fn, \
+        .freeze_late = suspend_fn, \
+        .thaw_early = resume_fn, \
+        .poweroff_late = suspend_fn, \
+        .restore_early = resume_fn,
+#else
+#define SET_LATE_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn)
+#endif
+
 #ifdef CONFIG_PM_RUNTIME
 #define SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \
         .runtime_suspend = suspend_fn, \
@@ -320,6 +332,15 @@ struct dev_pm_ops {
 #define SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn)
 #endif
 
+#ifdef CONFIG_PM
+#define SET_PM_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \
+        .runtime_suspend = suspend_fn, \
+        .runtime_resume = resume_fn, \
+        .runtime_idle = idle_fn,
+#else
+#define SET_PM_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn)
+#endif
+
 /*
  * Use this if you want to use the same suspend and resume callbacks for suspend
  * to RAM and hibernation.
diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
index 6fa7cea25da9..16c9a62fa1c0 100644
--- a/include/linux/pm_runtime.h
+++ b/include/linux/pm_runtime.h
@@ -23,6 +23,14 @@
                                             usage_count */
 #define RPM_AUTO                0x08    /* Use autosuspend_delay */
 
+#ifdef CONFIG_PM
+extern int pm_generic_runtime_suspend(struct device *dev);
+extern int pm_generic_runtime_resume(struct device *dev);
+#else
+static inline int pm_generic_runtime_suspend(struct device *dev) { return 0; }
+static inline int pm_generic_runtime_resume(struct device *dev) { return 0; }
+#endif
+
 #ifdef CONFIG_PM_RUNTIME
 
 extern struct workqueue_struct *pm_wq;
@@ -37,8 +45,6 @@ extern void pm_runtime_enable(struct device *dev);
 extern void __pm_runtime_disable(struct device *dev, bool check_resume);
 extern void pm_runtime_allow(struct device *dev);
 extern void pm_runtime_forbid(struct device *dev);
-extern int pm_generic_runtime_suspend(struct device *dev);
-extern int pm_generic_runtime_resume(struct device *dev);
 extern void pm_runtime_no_callbacks(struct device *dev);
 extern void pm_runtime_irq_safe(struct device *dev);
 extern void __pm_runtime_use_autosuspend(struct device *dev, bool use);
@@ -142,8 +148,6 @@ static inline bool pm_runtime_active(struct device *dev) { return true; }
 static inline bool pm_runtime_status_suspended(struct device *dev) { return false; }
 static inline bool pm_runtime_enabled(struct device *dev) { return false; }
 
-static inline int pm_generic_runtime_suspend(struct device *dev) { return 0; }
-static inline int pm_generic_runtime_resume(struct device *dev) { return 0; }
 static inline void pm_runtime_no_callbacks(struct device *dev) {}
 static inline void pm_runtime_irq_safe(struct device *dev) {}
 
diff --git a/include/uapi/linux/apm_bios.h b/include/uapi/linux/apm_bios.h
index 724f409adae0..df79bca1b898 100644
--- a/include/uapi/linux/apm_bios.h
+++ b/include/uapi/linux/apm_bios.h
@@ -67,6 +67,8 @@ struct apm_bios_info {
 #define APM_USER_SUSPEND        0x000a
 #define APM_STANDBY_RESUME      0x000b
 #define APM_CAPABILITY_CHANGE   0x000c
+#define APM_USER_HIBERNATION    0x000d
+#define APM_HIBERNATION_RESUME  0x000e
 
 /*
  * Error codes
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index 0121dab83f43..37170d4dd9a6 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -82,6 +82,7 @@ void hibernation_set_ops(const struct platform_hibernation_ops *ops)
 
         unlock_system_sleep();
 }
+EXPORT_SYMBOL_GPL(hibernation_set_ops);
 
 static bool entering_platform_hibernation;
 
@@ -293,10 +294,10 @@ static int create_image(int platform_mode)
                         error);
         /* Restore control flow magically appears here */
         restore_processor_state();
-        if (!in_suspend) {
+        if (!in_suspend)
                 events_check_enabled = false;
-                platform_leave(platform_mode);
-        }
+
+        platform_leave(platform_mode);
 
  Power_up:
         syscore_resume();