clockevents: Get rid of the notifier chain

7+ years and still a single user. Kill it.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Magnus Damm <magnus.damm@gmail.com>
Link: http://lkml.kernel.org/r/20130425143436.098520211@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 5 insertions, 25 deletions

diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index 5d3fb100bc06..dbf4e18d5101 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -208,11 +208,11 @@ static void tick_setup_device(struct tick_device *td,
 /*
  * Check, if the new registered device should be used.
  */
-static int tick_check_new_device(struct clock_event_device *newdev)
+void tick_check_new_device(struct clock_event_device *newdev)
 {
         struct clock_event_device *curdev;
         struct tick_device *td;
-        int cpu, ret = NOTIFY_OK;
+        int cpu;
         unsigned long flags;
 
         raw_spin_lock_irqsave(&tick_device_lock, flags);
@@ -275,18 +275,14 @@ static int tick_check_new_device(struct clock_event_device *newdev)
                 tick_oneshot_notify();
 
         raw_spin_unlock_irqrestore(&tick_device_lock, flags);
-        return NOTIFY_STOP;
+        return;
 
 out_bc:
         /*
          * Can the new device be used as a broadcast device ?
          */
-        if (tick_check_broadcast_device(newdev))
-                ret = NOTIFY_STOP;
-
+        tick_install_broadcast_device(newdev);
         raw_spin_unlock_irqrestore(&tick_device_lock, flags);
-
-        return ret;
 }
 
 /*
@@ -360,17 +356,10 @@ static void tick_resume(void)
         raw_spin_unlock_irqrestore(&tick_device_lock, flags);
 }
 
-/*
- * Notification about clock event devices
- */
-static int tick_notify(struct notifier_block *nb, unsigned long reason,
-                               void *dev)
+void tick_notify(unsigned long reason, void *dev)
 {
         switch (reason) {
 
-        case CLOCK_EVT_NOTIFY_ADD:
-                return tick_check_new_device(dev);
-
         case CLOCK_EVT_NOTIFY_BROADCAST_ON:
         case CLOCK_EVT_NOTIFY_BROADCAST_OFF:
         case CLOCK_EVT_NOTIFY_BROADCAST_FORCE:
@@ -404,21 +393,12 @@ static int tick_notify(struct notifier_block *nb, unsigned long reason,
         default:
                 break;
         }
-
-        return NOTIFY_OK;
 }
 
-static struct notifier_block tick_notifier = {
-        .notifier_call = tick_notify,
-};
-
 /**
  * tick_init - initialize the tick control
- *
- * Register the notifier with the clockevents framework
  */
 void __init tick_init(void)
 {
-        clockevents_register_notifier(&tick_notifier);
         tick_broadcast_init();
 }