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-rw-r--r--include/hw/clock.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/hw/clock.h b/include/hw/clock.h
index 282a37f7c5..2ba44e1442 100644
--- a/include/hw/clock.h
+++ b/include/hw/clock.h
@@ -30,6 +30,7 @@ OBJECT_DECLARE_SIMPLE_TYPE(Clock, CLOCK)
*/
typedef enum ClockEvent {
ClockUpdate = 1, /* Clock period has just updated */
+ ClockPreUpdate = 2, /* Clock period is about to update */
} ClockEvent;
typedef void ClockCallback(void *opaque, ClockEvent event);