tick: Make tick_resume_broadcast_oneshot() static

Solely used in tick-broadcast.c and the return value is
hardcoded 0. Make it static and void.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1689058.QkHYDJSRKu@vostro.rjw.lanSigned-off-by: Ingo Molnar <mingo@kernel.org>

kernel/time/tick-broadcast.c

@@ -37,8 +37,10 @@ static int tick_broadcast_force;
 
 #ifdef CONFIG_TICK_ONESHOT
 static void tick_broadcast_clear_oneshot(int cpu);
+static void tick_resume_broadcast_oneshot(struct clock_event_device *bc);
 #else
 static inline void tick_broadcast_clear_oneshot(int cpu) { }
+static inline void tick_resume_broadcast_oneshot(struct clock_event_device *bc) { }
 #endif
 
 /*
@@ -475,7 +477,7 @@ int tick_resume_broadcast(void)
 			break;
 		case TICKDEV_MODE_ONESHOT:
 			if (!cpumask_empty(tick_broadcast_mask))
-				broadcast = tick_resume_broadcast_oneshot(bc);
+				tick_resume_broadcast_oneshot(bc);
 			break;
 		}
 	}
@@ -541,10 +543,9 @@ static int tick_broadcast_set_event(struct clock_event_device *bc, int cpu,
 	return ret;
 }
 
-int tick_resume_broadcast_oneshot(struct clock_event_device *bc)
+static void tick_resume_broadcast_oneshot(struct clock_event_device *bc)
 {
 	clockevents_set_state(bc, CLOCK_EVT_STATE_ONESHOT);
-	return 0;
 }
 
 /*

kernel/time/tick-internal.h

@@ -112,7 +112,6 @@ extern void tick_broadcast_setup_oneshot(struct clock_event_device *bc);
 extern int tick_broadcast_oneshot_control(unsigned long reason);
 extern void tick_broadcast_switch_to_oneshot(void);
 extern void tick_shutdown_broadcast_oneshot(unsigned int *cpup);
-extern int tick_resume_broadcast_oneshot(struct clock_event_device *bc);
 extern int tick_broadcast_oneshot_active(void);
 extern void tick_check_oneshot_broadcast_this_cpu(void);
 bool tick_broadcast_oneshot_available(void);
@@ -122,7 +121,6 @@ static inline void tick_broadcast_setup_oneshot(struct clock_event_device *bc) {
 static inline int tick_broadcast_oneshot_control(unsigned long reason) { return 0; }
 static inline void tick_broadcast_switch_to_oneshot(void) { }
 static inline void tick_shutdown_broadcast_oneshot(unsigned int *cpup) { }
-static inline int tick_resume_broadcast_oneshot(struct clock_event_device *bc) { return 0; }
 static inline int tick_broadcast_oneshot_active(void) { return 0; }
 static inline void tick_check_oneshot_broadcast_this_cpu(void) { }
 static inline bool tick_broadcast_oneshot_available(void) { return tick_oneshot_possible(); }