Add suspend-related notifications for CPU hotplug

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / notifier.h

diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index 1903e5490c04c2f7b1c818511d5264bd0f526fa3..9431101bf8769508db8dc6263927049d1cfdb9df 100644 (file)
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -197,5 +197,17 @@ extern int __srcu_notifier_call_chain(struct srcu_notifier_head *nh,
 #define CPU_LOCK_ACQUIRE       0x0008 /* Acquire all hotcpu locks */
 #define CPU_LOCK_RELEASE       0x0009 /* Release all hotcpu locks */
 
+/* Used for CPU hotplug events occuring while tasks are frozen due to a suspend
+ * operation in progress
+ */
+#define CPU_TASKS_FROZEN       0x0010
+
+#define CPU_ONLINE_FROZEN      (CPU_ONLINE | CPU_TASKS_FROZEN)
+#define CPU_UP_PREPARE_FROZEN  (CPU_UP_PREPARE | CPU_TASKS_FROZEN)
+#define CPU_UP_CANCELED_FROZEN (CPU_UP_CANCELED | CPU_TASKS_FROZEN)
+#define CPU_DOWN_PREPARE_FROZEN        (CPU_DOWN_PREPARE | CPU_TASKS_FROZEN)
+#define CPU_DOWN_FAILED_FROZEN (CPU_DOWN_FAILED | CPU_TASKS_FROZEN)
+#define CPU_DEAD_FROZEN                (CPU_DEAD | CPU_TASKS_FROZEN)
+
 #endif /* __KERNEL__ */
 #endif /* _LINUX_NOTIFIER_H */