1 files changed, 0 insertions, 83 deletions
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index 0c858d027bf3..57dc546628b5 100644
--- a/drivers/char/rtc.c
+++ b/drivers/char/rtc.c
@@ -809,89 +809,6 @@ static __poll_t rtc_poll(struct file *file, poll_table *wait)
 }
 #endif
 
-int rtc_register(rtc_task_t *task)
-{
-#ifndef RTC_IRQ
-	return -EIO;
-#else
-	if (task == NULL || task->func == NULL)
-		return -EINVAL;
-	spin_lock_irq(&rtc_lock);
-	if (rtc_status & RTC_IS_OPEN) {
-		spin_unlock_irq(&rtc_lock);
-		return -EBUSY;
-	}
-	spin_lock(&rtc_task_lock);
-	if (rtc_callback) {
-		spin_unlock(&rtc_task_lock);
-		spin_unlock_irq(&rtc_lock);
-		return -EBUSY;
-	}
-	rtc_status |= RTC_IS_OPEN;
-	rtc_callback = task;
-	spin_unlock(&rtc_task_lock);
-	spin_unlock_irq(&rtc_lock);
-	return 0;
-#endif
-}
-EXPORT_SYMBOL(rtc_register);
-
-int rtc_unregister(rtc_task_t *task)
-{
-#ifndef RTC_IRQ
-	return -EIO;
-#else
-	unsigned char tmp;
-
-	spin_lock_irq(&rtc_lock);
-	spin_lock(&rtc_task_lock);
-	if (rtc_callback != task) {
-		spin_unlock(&rtc_task_lock);
-		spin_unlock_irq(&rtc_lock);
-		return -ENXIO;
-	}
-	rtc_callback = NULL;
-
-	/* disable controls */
-	if (!hpet_mask_rtc_irq_bit(RTC_PIE | RTC_AIE | RTC_UIE)) {
-		tmp = CMOS_READ(RTC_CONTROL);
-		tmp &= ~RTC_PIE;
-		tmp &= ~RTC_AIE;
-		tmp &= ~RTC_UIE;
-		CMOS_WRITE(tmp, RTC_CONTROL);
-		CMOS_READ(RTC_INTR_FLAGS);
-	}
-	if (rtc_status & RTC_TIMER_ON) {
-		rtc_status &= ~RTC_TIMER_ON;
-		del_timer(&rtc_irq_timer);
-	}
-	rtc_status &= ~RTC_IS_OPEN;
-	spin_unlock(&rtc_task_lock);
-	spin_unlock_irq(&rtc_lock);
-	return 0;
-#endif
-}
-EXPORT_SYMBOL(rtc_unregister);
-
-int rtc_control(rtc_task_t *task, unsigned int cmd, unsigned long arg)
-{
-#ifndef RTC_IRQ
-	return -EIO;
-#else
-	unsigned long flags;
-	if (cmd != RTC_PIE_ON && cmd != RTC_PIE_OFF && cmd != RTC_IRQP_SET)
-		return -EINVAL;
-	spin_lock_irqsave(&rtc_task_lock, flags);
-	if (rtc_callback != task) {
-		spin_unlock_irqrestore(&rtc_task_lock, flags);
-		return -ENXIO;
-	}
-	spin_unlock_irqrestore(&rtc_task_lock, flags);
-	return rtc_do_ioctl(cmd, arg, 1);
-#endif
-}
-EXPORT_SYMBOL(rtc_control);
-
 /*
  *	The various file operations we support.
  */