5 files changed, 16 insertions, 13 deletions

diff --git a/kernel/time/Kconfig b/kernel/time/Kconfig
index f66351126544..8d53106a0a92 100644
--- a/kernel/time/Kconfig
+++ b/kernel/time/Kconfig
@@ -23,3 +23,8 @@ config HIGH_RES_TIMERS
           hardware is not capable then this option only increases
           the size of the kernel image.
 
+config GENERIC_CLOCKEVENTS_BUILD
+        bool
+        default y
+        depends on GENERIC_CLOCKEVENTS || GENERIC_CLOCKEVENTS_MIGR
+
diff --git a/kernel/time/Makefile b/kernel/time/Makefile
index 99b6034fc86b..905b0b50792d 100644
--- a/kernel/time/Makefile
+++ b/kernel/time/Makefile
@@ -1,6 +1,6 @@
 obj-y += timekeeping.o ntp.o clocksource.o jiffies.o timer_list.o
 
-obj-$(CONFIG_GENERIC_CLOCKEVENTS)               += clockevents.o
+obj-$(CONFIG_GENERIC_CLOCKEVENTS_BUILD)         += clockevents.o
 obj-$(CONFIG_GENERIC_CLOCKEVENTS)               += tick-common.o
 obj-$(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST)     += tick-broadcast.o
 obj-$(CONFIG_TICK_ONESHOT)                      += tick-oneshot.o
diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c
index 41dd3105ce7f..822beebe664a 100644
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -194,6 +194,7 @@ void clockevents_exchange_device(struct clock_event_device *old,
         local_irq_restore(flags);
 }
 
+#ifdef CONFIG_GENERIC_CLOCKEVENTS
 /**
  * clockevents_notify - notification about relevant events
  */
@@ -222,4 +223,4 @@ void clockevents_notify(unsigned long reason, void *arg)
         spin_unlock(&clockevents_lock);
 }
 EXPORT_SYMBOL_GPL(clockevents_notify);
-
+#endif
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index 0962e0577660..298bc7c6f09f 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -64,8 +64,9 @@ static void tick_broadcast_start_periodic(struct clock_event_device *bc)
  */
 int tick_check_broadcast_device(struct clock_event_device *dev)
 {
-        if (tick_broadcast_device.evtdev ||
-            (dev->features & CLOCK_EVT_FEAT_C3STOP))
+        if ((tick_broadcast_device.evtdev &&
+             tick_broadcast_device.evtdev->rating >= dev->rating) ||
+             (dev->features & CLOCK_EVT_FEAT_C3STOP))
                 return 0;
 
         clockevents_exchange_device(NULL, dev);
@@ -176,8 +177,6 @@ static void tick_do_periodic_broadcast(void)
  */
 static void tick_handle_periodic_broadcast(struct clock_event_device *dev)
 {
-        dev->next_event.tv64 = KTIME_MAX;
-
         tick_do_periodic_broadcast();
 
         /*
@@ -515,11 +514,9 @@ static void tick_broadcast_clear_oneshot(int cpu)
  */
 void tick_broadcast_setup_oneshot(struct clock_event_device *bc)
 {
-        if (bc->mode != CLOCK_EVT_MODE_ONESHOT) {
-                bc->event_handler = tick_handle_oneshot_broadcast;
-                clockevents_set_mode(bc, CLOCK_EVT_MODE_ONESHOT);
-                bc->next_event.tv64 = KTIME_MAX;
-        }
+        bc->event_handler = tick_handle_oneshot_broadcast;
+        clockevents_set_mode(bc, CLOCK_EVT_MODE_ONESHOT);
+        bc->next_event.tv64 = KTIME_MAX;
 }
 
 /*
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index 77a21abc8716..3f3ae3907830 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -200,7 +200,7 @@ static int tick_check_new_device(struct clock_event_device *newdev)
 
         cpu = smp_processor_id();
         if (!cpu_isset(cpu, newdev->cpumask))
-                goto out;
+                goto out_bc;
 
         td = &per_cpu(tick_cpu_device, cpu);
         curdev = td->evtdev;
@@ -265,7 +265,7 @@ out_bc:
          */
         if (tick_check_broadcast_device(newdev))
                 ret = NOTIFY_STOP;
-out:
+
         spin_unlock_irqrestore(&tick_device_lock, flags);
 
         return ret;