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path: root/drivers/rtc/interface.c
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Diffstat (limited to 'drivers/rtc/interface.c')
-rw-r--r--drivers/rtc/interface.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 4348c4b0d453..4cdb31a362ca 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -371,19 +371,21 @@ EXPORT_SYMBOL_GPL(rtc_update_irq_enable);
* @rtc: the rtc device
* @num: how many irqs are being reported (usually one)
* @events: mask of RTC_IRQF with one or more of RTC_PF, RTC_AF, RTC_UF
- * Context: in_interrupt(), irqs blocked
+ * Context: any
*/
void rtc_update_irq(struct rtc_device *rtc,
unsigned long num, unsigned long events)
{
- spin_lock(&rtc->irq_lock);
+ unsigned long flags;
+
+ spin_lock_irqsave(&rtc->irq_lock, flags);
rtc->irq_data = (rtc->irq_data + (num << 8)) | events;
- spin_unlock(&rtc->irq_lock);
+ spin_unlock_irqrestore(&rtc->irq_lock, flags);
- spin_lock(&rtc->irq_task_lock);
+ spin_lock_irqsave(&rtc->irq_task_lock, flags);
if (rtc->irq_task)
rtc->irq_task->func(rtc->irq_task->private_data);
- spin_unlock(&rtc->irq_task_lock);
+ spin_unlock_irqrestore(&rtc->irq_task_lock, flags);
wake_up_interruptible(&rtc->irq_queue);
kill_fasync(&rtc->async_queue, SIGIO, POLL_IN);