diff options
| -rw-r--r-- | drivers/watchdog/bcm47xx_wdt.c | 21 | ||||
| -rw-r--r-- | include/linux/bcm47xx_wdt.h | 1 |
2 files changed, 21 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: diff --git a/include/linux/bcm47xx_wdt.h b/include/linux/bcm47xx_wdt.h index b708786d4cbf..5582c211f594 100644 --- a/include/linux/bcm47xx_wdt.h +++ b/include/linux/bcm47xx_wdt.h @@ -16,6 +16,7 @@ struct bcm47xx_wdt { struct watchdog_device wdd; struct notifier_block notifier; + struct notifier_block restart_handler; struct timer_list soft_timer; atomic_t soft_ticks; |