diff --git a/include/linux/pm_qos.h b/include/linux/pm_qos.h
index 6cea4455f867..aededda52b6b 100644
--- a/include/linux/pm_qos.h
+++ b/include/linux/pm_qos.h
@@ -37,6 +37,8 @@ enum pm_qos_flags_status {
 #define PM_QOS_LATENCY_TOLERANCE_NO_CONSTRAINT	(-1)
 
 #define PM_QOS_FLAG_NO_POWER_OFF	(1 << 0)
+/* latency value applies to system-wide suspend/s2idle */
+#define PM_QOS_FLAG_LATENCY_SYS		(2 << 0)
 
 enum pm_qos_type {
 	PM_QOS_UNITIALIZED,