tick: Provide a check for a forced broadcast pending

[deliverable/linux.git] / include / linux / clockchips.h

diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h
index 66346521cb6561641045297cb74c8d15f7b71f74..646aac136eedc13d668ebf57c7ac393878abf1bd 100644 (file)
--- a/include/linux/clockchips.h
+++ b/include/linux/clockchips.h
@@ -55,6 +55,11 @@ enum clock_event_nofitiers {
 #define CLOCK_EVT_FEAT_C3STOP          0x000008
 #define CLOCK_EVT_FEAT_DUMMY           0x000010
 
+/*
+ * Core shall set the interrupt affinity dynamically in broadcast mode
+ */
+#define CLOCK_EVT_FEAT_DYNIRQ          0x000020
+
 /**
  * struct clock_event_device - clock event device descriptor
  * @event_handler:     Assigned by the framework to be called by the low
@@ -170,6 +175,12 @@ extern void tick_broadcast(const struct cpumask *mask);
 extern int tick_receive_broadcast(void);
 #endif
 
+#if defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) && defined(CONFIG_TICK_ONESHOT)
+extern int tick_check_broadcast_expired(void);
+#else
+static inline int tick_check_broadcast_expired(void) { return 0; }
+#endif
+
 #ifdef CONFIG_GENERIC_CLOCKEVENTS
 extern void clockevents_notify(unsigned long reason, void *arg);
 #else