clockevents: Rename state to state_use_accessors

The only sensible way to make abuse of core internal fields obvious
and easy to grep for.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
diff --git a/kernel/time/tick-internal.h b/kernel/time/tick-internal.h
index 4461de9..ec2208a 100644
--- a/kernel/time/tick-internal.h
+++ b/kernel/time/tick-internal.h
@@ -38,13 +38,13 @@
 
 static inline enum clock_event_state clockevent_get_state(struct clock_event_device *dev)
 {
-	return dev->state;
+	return dev->state_use_accessors;
 }
 
 static inline void clockevent_set_state(struct clock_event_device *dev,
 					enum clock_event_state state)
 {
-	dev->state = state;
+	dev->state_use_accessors = state;
 }
 
 extern void clockevents_shutdown(struct clock_event_device *dev);