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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.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
index 583789c66cdb..3109865e8d73 100644
--- a/drivers/rtc/rtc-dev.c
+++ b/drivers/rtc/rtc-dev.c
@@ -214,7 +214,7 @@ static int rtc_dev_ioctl(struct inode *inode, struct file *file,
struct rtc_wkalrm alarm;
void __user *uarg = (void __user *) arg;
- /* check that the calles has appropriate permissions
+ /* check that the calling task has appropriate permissions
* for certain ioctls. doing this check here is useful
* to avoid duplicate code in each driver.
*/
@@ -299,6 +299,17 @@ static int rtc_dev_ioctl(struct inode *inode, struct file *file,
err = rtc_set_time(class_dev, &tm);
break;
+
+ case RTC_IRQP_READ:
+ if (ops->irq_set_freq)
+ err = put_user(rtc->irq_freq, (unsigned long *) arg);
+ break;
+
+ case RTC_IRQP_SET:
+ if (ops->irq_set_freq)
+ err = rtc_irq_set_freq(class_dev, rtc->irq_task, arg);
+ break;
+
#if 0
case RTC_EPOCH_SET:
#ifndef rtc_epoch