watchdog: bcm47xx_wdt: use core restart handler
Get rid of the custom restart handler by using the one provided by the
watchdog core.
Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
diff --git a/drivers/watchdog/bcm47xx_wdt.c b/drivers/watchdog/bcm47xx_wdt.c
index 4064a43..01bffe1 100644
--- a/drivers/watchdog/bcm47xx_wdt.c
+++ b/drivers/watchdog/bcm47xx_wdt.c
@@ -88,12 +88,22 @@
return 0;
}
+static int bcm47xx_wdt_restart(struct watchdog_device *wdd)
+{
+ struct bcm47xx_wdt *wdt = bcm47xx_wdt_get(wdd);
+
+ wdt->timer_set(wdt, 1);
+
+ return 0;
+}
+
static struct watchdog_ops bcm47xx_wdt_hard_ops = {
.owner = THIS_MODULE,
.start = bcm47xx_wdt_hard_start,
.stop = bcm47xx_wdt_hard_stop,
.ping = bcm47xx_wdt_hard_keepalive,
.set_timeout = bcm47xx_wdt_hard_set_timeout,
+ .restart = bcm47xx_wdt_restart,
};
static void bcm47xx_wdt_soft_timer_tick(unsigned long data)
@@ -169,23 +179,13 @@
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,
.stop = bcm47xx_wdt_soft_stop,
.ping = bcm47xx_wdt_soft_keepalive,
.set_timeout = bcm47xx_wdt_soft_set_timeout,
+ .restart = bcm47xx_wdt_restart,
};
static int bcm47xx_wdt_probe(struct platform_device *pdev)
@@ -214,6 +214,7 @@
if (ret)
goto err_timer;
watchdog_set_nowayout(&wdt->wdd, nowayout);
+ watchdog_set_restart_priority(&wdt->wdd, 64);
wdt->notifier.notifier_call = &bcm47xx_wdt_notify_sys;
@@ -221,23 +222,15 @@
if (ret)
goto err_timer;
- 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;
+ goto err_notifier;
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 5582c21..b708786 100644
--- a/include/linux/bcm47xx_wdt.h
+++ b/include/linux/bcm47xx_wdt.h
@@ -16,7 +16,6 @@
struct watchdog_device wdd;
struct notifier_block notifier;
- struct notifier_block restart_handler;
struct timer_list soft_timer;
atomic_t soft_ticks;