X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Frtc%2Frtc-dev.c;h=079e9ed907e06caa6d5a453c56c31e413f0cf6c5;hb=c472273f863c80b87e53356256c5466df24328f0;hp=f118252f3a9f2b921cef3fff96fd1ef890d65b3c;hpb=0234bf1d98ebd1cb8ea1630957f6d14170cc0ba0;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
index f118252f3a9..079e9ed907e 100644
--- a/drivers/rtc/rtc-dev.c
+++ b/drivers/rtc/rtc-dev.c
@@ -422,28 +422,37 @@ done:
 	return err;
 }
 
+static int rtc_dev_fasync(int fd, struct file *file, int on)
+{
+	struct rtc_device *rtc = file->private_data;
+	return fasync_helper(fd, file, on, &rtc->async_queue);
+}
+
 static int rtc_dev_release(struct inode *inode, struct file *file)
 {
 	struct rtc_device *rtc = file->private_data;
 
-#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
-	clear_uie(rtc);
-#endif
+	/* We shut down the repeating IRQs that userspace enabled,
+	 * since nothing is listening to them.
+	 *  - Update (UIE) ... currently only managed through ioctls
+	 *  - Periodic (PIE) ... also used through rtc_*() interface calls
+	 *
+	 * Leave the alarm alone; it may be set to trigger a system wakeup
+	 * later, or be used by kernel code, and is a one-shot event anyway.
+	 */
+	rtc_dev_ioctl(file, RTC_UIE_OFF, 0);
 	rtc_irq_set_state(rtc, NULL, 0);
 
 	if (rtc->ops->release)
 		rtc->ops->release(rtc->dev.parent);
 
+	if (file->f_flags & FASYNC)
+		rtc_dev_fasync(-1, file, 0);
+
 	clear_bit_unlock(RTC_DEV_BUSY, &rtc->flags);
 	return 0;
 }
 
-static int rtc_dev_fasync(int fd, struct file *file, int on)
-{
-	struct rtc_device *rtc = file->private_data;
-	return fasync_helper(fd, file, on, &rtc->async_queue);
-}
-
 static const struct file_operations rtc_dev_fops = {
 	.owner		= THIS_MODULE,
 	.llseek		= no_llseek,