return ret;
}
-/**
- * clockevents_unregister_notifier - unregister a clock events change listener
- */
-void clockevents_unregister_notifier(struct notifier_block *nb)
-{
- spin_lock(&clockevents_lock);
- raw_notifier_chain_unregister(&clockevents_chain, nb);
- spin_unlock(&clockevents_lock);
-}
-
/*
* Notify about a clock event change. Called with clockevents_lock
* held.
local_irq_restore(flags);
}
-/**
- * clockevents_request_device
- */
-struct clock_event_device *clockevents_request_device(unsigned int features,
- cpumask_t cpumask)
-{
- struct clock_event_device *cur, *dev = NULL;
- struct list_head *tmp;
-
- spin_lock(&clockevents_lock);
-
- list_for_each(tmp, &clockevent_devices) {
- cur = list_entry(tmp, struct clock_event_device, list);
-
- if ((cur->features & features) == features &&
- cpus_equal(cpumask, cur->cpumask)) {
- if (!dev || dev->rating < cur->rating)
- dev = cur;
- }
- }
-
- clockevents_exchange_device(NULL, dev);
-
- spin_unlock(&clockevents_lock);
-
- return dev;
-}
-
-/**
- * clockevents_release_device
- */
-void clockevents_release_device(struct clock_event_device *dev)
-{
- spin_lock(&clockevents_lock);
-
- clockevents_exchange_device(dev, NULL);
- clockevents_notify_released();
-
- spin_unlock(&clockevents_lock);
-}
-
+#ifdef CONFIG_GENERIC_CLOCKEVENTS
/**
* clockevents_notify - notification about relevant events
*/
spin_unlock(&clockevents_lock);
}
EXPORT_SYMBOL_GPL(clockevents_notify);
-
+#endif