err = wdd->ops->set_timeout(wdd, val);
if (err < 0)
return err;
- wdd->timeout = val;
/* If the watchdog is active then we send a keepalive ping
* to make sure that the watchdog keep's running (and if
* possible that it takes the new timeout) */
if (wdd->timeout == 0)
return -EOPNOTSUPP;
return put_user(wdd->timeout, p);
+ case WDIOC_GETTIMELEFT:
+ if (!wdd->ops->get_timeleft)
+ return -EOPNOTSUPP;
+
+ return put_user(wdd->ops->get_timeleft(wdd), p);
default:
return -ENOTTY;
}
/* Only one device can register for /dev/watchdog */
if (test_and_set_bit(0, &watchdog_dev_busy)) {
- pr_err("only one watchdog can use /dev/watchdog.\n");
+ pr_err("only one watchdog can use /dev/watchdog\n");
return -EBUSY;
}
err = misc_register(&watchdog_miscdev);
if (err != 0) {
- pr_err("%s: cannot register miscdev on minor=%d (err=%d).\n",
- watchdog->info->identity, WATCHDOG_MINOR, err);
+ pr_err("%s: cannot register miscdev on minor=%d (err=%d)\n",
+ watchdog->info->identity, WATCHDOG_MINOR, err);
goto out;
}
/* We can only unregister the watchdog device that was registered */
if (watchdog != wdd) {
- pr_err("%s: watchdog was not registered as /dev/watchdog.\n",
- watchdog->info->identity);
+ pr_err("%s: watchdog was not registered as /dev/watchdog\n",
+ watchdog->info->identity);
return -ENODEV;
}