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authorAlessandro Zummo <alessandro.zummo@towertech.it>2007-10-16 12:28:15 +0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 20:43:13 +0400
commitd691eb901e044065de10756ea78a5758d457c7fd (patch)
tree3b166f4d54bba5677a04b885d0da52c28db3a8a3 /drivers/rtc/class.c
parent16a72c455a67bb23eed7292a31c6ba17729e78e6 (diff)
downloadlinux-d691eb901e044065de10756ea78a5758d457c7fd.tar.xz
RTC: periodic irq fix
Add kernel/kernel and kernel/user locking for the periodic irq feature of the rtc class. PIE ioctls are also supported. Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc/class.c')
-rw-r--r--drivers/rtc/class.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index 10ab3b71ffc6..4dfdf019fccc 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -153,6 +153,7 @@ struct rtc_device *rtc_device_register(const char *name, struct device *dev,
mutex_init(&rtc->ops_lock);
spin_lock_init(&rtc->irq_lock);
spin_lock_init(&rtc->irq_task_lock);
+ init_waitqueue_head(&rtc->irq_queue);
strlcpy(rtc->name, name, RTC_DEVICE_NAME_SIZE);
snprintf(rtc->dev.bus_id, BUS_ID_SIZE, "rtc%d", id);