diff options
Diffstat (limited to 'drivers/watchdog/watchdog_core.c')
-rw-r--r-- | drivers/watchdog/watchdog_core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/watchdog/watchdog_core.c b/drivers/watchdog/watchdog_core.c index d9b3c9c023c4..c1658fe73d58 100644 --- a/drivers/watchdog/watchdog_core.c +++ b/drivers/watchdog/watchdog_core.c @@ -199,7 +199,7 @@ static int __watchdog_register_device(struct watchdog_device *wdd) return -EINVAL; /* Mandatory operations need to be supported */ - if (wdd->ops->start == NULL || wdd->ops->stop == NULL) + if (!wdd->ops->start || (!wdd->ops->stop && !wdd->max_hw_heartbeat_ms)) return -EINVAL; watchdog_check_min_max_timeout(wdd); |