summaryrefslogtreecommitdiff
path: root/drivers/watchdog/bcm47xx_wdt.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/watchdog/bcm47xx_wdt.c')
-rw-r--r--drivers/watchdog/bcm47xx_wdt.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/watchdog/bcm47xx_wdt.c b/drivers/watchdog/bcm47xx_wdt.c
index 9816485f6825..b28a072abf78 100644
--- a/drivers/watchdog/bcm47xx_wdt.c
+++ b/drivers/watchdog/bcm47xx_wdt.c
@@ -169,6 +169,17 @@ static int bcm47xx_wdt_notify_sys(struct notifier_block *this,
return NOTIFY_DONE;
}
+static int bcm47xx_wdt_restart(struct notifier_block *this, unsigned long mode,
+ void *cmd)
+{
+ struct bcm47xx_wdt *wdt;
+
+ wdt = container_of(this, struct bcm47xx_wdt, restart_handler);
+ wdt->timer_set(wdt, 1);
+
+ return NOTIFY_DONE;
+}
+
static struct watchdog_ops bcm47xx_wdt_soft_ops = {
.owner = THIS_MODULE,
.start = bcm47xx_wdt_soft_start,
@@ -209,15 +220,23 @@ static int bcm47xx_wdt_probe(struct platform_device *pdev)
if (ret)
goto err_timer;
- ret = watchdog_register_device(&wdt->wdd);
+ wdt->restart_handler.notifier_call = &bcm47xx_wdt_restart;
+ wdt->restart_handler.priority = 64;
+ ret = register_restart_handler(&wdt->restart_handler);
if (ret)
goto err_notifier;
+ ret = watchdog_register_device(&wdt->wdd);
+ if (ret)
+ goto err_handler;
+
dev_info(&pdev->dev, "BCM47xx Watchdog Timer enabled (%d seconds%s%s)\n",
timeout, nowayout ? ", nowayout" : "",
soft ? ", Software Timer" : "");
return 0;
+err_handler:
+ unregister_restart_handler(&wdt->restart_handler);
err_notifier:
unregister_reboot_notifier(&wdt->notifier);
err_timer: