diff options
Diffstat (limited to 'drivers/watchdog')
-rw-r--r-- | drivers/watchdog/watchdog_core.c | 2 | ||||
-rw-r--r-- | drivers/watchdog/watchdog_dev.c | 6 |
2 files changed, 6 insertions, 2 deletions
diff --git a/drivers/watchdog/watchdog_core.c b/drivers/watchdog/watchdog_core.c index d9b3c9c..c1658fe 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); diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c index 5d3a9fa..5163c3e 100644 --- a/drivers/watchdog/watchdog_dev.c +++ b/drivers/watchdog/watchdog_dev.c @@ -246,7 +246,11 @@ static int watchdog_stop(struct watchdog_device *wdd) return -EBUSY; } - err = wdd->ops->stop(wdd); + if (wdd->ops->stop) + err = wdd->ops->stop(wdd); + else + set_bit(WDOG_HW_RUNNING, &wdd->status); + if (err == 0) { clear_bit(WDOG_ACTIVE, &wdd->status); watchdog_update_worker(wdd); |