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authorIngo Molnar <mingo@elte.hu>2008-12-31 08:31:57 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-31 08:31:57 +0100
commita9de18eb761f7c1c860964b2e5addc1a35c7e861 (patch)
tree886e75fdfd09690cd262ca69cb7f5d1d42b48602 /drivers/rtc/rtc-dev.c
parentb2aaf8f74cdc84a9182f6cabf198b7763bcb9d40 (diff)
parent6a94cb73064c952255336cc57731904174b2c58f (diff)
Merge branch 'linus' into stackprotector
Conflicts: arch/x86/include/asm/pda.h kernel/fork.c
Diffstat (limited to 'drivers/rtc/rtc-dev.c')
-rw-r--r--drivers/rtc/rtc-dev.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
index 52e2743b04e..ecdea44ae4e 100644
--- a/drivers/rtc/rtc-dev.c
+++ b/drivers/rtc/rtc-dev.c
@@ -432,17 +432,20 @@ 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;
}