clockevents: Use helpers to check the state of a clockevent device

Use accessor functions to check the state of clockevent devices in
core code.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: linaro-kernel@lists.linaro.org
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/fa2b9869fd17f210eaa156ec2b594efd0230b6c7.1432192527.git.viresh.kumar@linaro.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index 12fcc55..132f819f 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -303,7 +303,7 @@
 	raw_spin_lock(&tick_broadcast_lock);
 	bc_local = tick_do_periodic_broadcast();
 
-	if (dev->state == CLOCK_EVT_STATE_ONESHOT) {
+	if (clockevent_state_oneshot(dev)) {
 		ktime_t next = ktime_add(dev->next_event, tick_period);
 
 		clockevents_program_event(dev, next, true);
@@ -528,7 +528,7 @@
 static void tick_broadcast_set_event(struct clock_event_device *bc, int cpu,
 				     ktime_t expires)
 {
-	if (bc->state != CLOCK_EVT_STATE_ONESHOT)
+	if (!clockevent_state_oneshot(bc))
 		clockevents_set_state(bc, CLOCK_EVT_STATE_ONESHOT);
 
 	clockevents_program_event(bc, expires, 1);
@@ -831,7 +831,7 @@
 
 	/* Set it up only once ! */
 	if (bc->event_handler != tick_handle_oneshot_broadcast) {
-		int was_periodic = bc->state == CLOCK_EVT_STATE_PERIODIC;
+		int was_periodic = clockevent_state_periodic(bc);
 
 		bc->event_handler = tick_handle_oneshot_broadcast;