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path: root/drivers/rtc/rtc-dev.c
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Diffstat (limited to 'drivers/rtc/rtc-dev.c')
-rw-r--r--drivers/rtc/rtc-dev.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
index 52e2743b04ec..079e9ed907e0 100644
--- a/drivers/rtc/rtc-dev.c
+++ b/drivers/rtc/rtc-dev.c
@@ -432,9 +432,15 @@ 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)