summaryrefslogtreecommitdiff
path: root/drivers/watchdog/hpwdt.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/watchdog/hpwdt.c')
-rw-r--r--drivers/watchdog/hpwdt.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index 00299919df39..554526cf3233 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -450,6 +450,11 @@ static int hpwdt_change_timer(int new_margin)
return 0;
}
+static int hpwdt_time_left(void)
+{
+ return TICKS_TO_SECS(ioread16(hpwdt_timer_reg));
+}
+
/*
* NMI Handler
*/
@@ -591,6 +596,10 @@ static long hpwdt_ioctl(struct file *file, unsigned int cmd,
case WDIOC_GETTIMEOUT:
ret = put_user(soft_margin, p);
break;
+
+ case WDIOC_GETTIMELEFT:
+ ret = put_user(hpwdt_time_left(), p);
+ break;
}
return ret;
}