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path: root/drivers/watchdog/bcm47xx_wdt.c
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Diffstat (limited to 'drivers/watchdog/bcm47xx_wdt.c')
-rw-r--r--drivers/watchdog/bcm47xx_wdt.c55
1 files changed, 14 insertions, 41 deletions
diff --git a/drivers/watchdog/bcm47xx_wdt.c b/drivers/watchdog/bcm47xx_wdt.c
index 4064a43f1..df1c2a4b0 100644
--- a/drivers/watchdog/bcm47xx_wdt.c
+++ b/drivers/watchdog/bcm47xx_wdt.c
@@ -20,7 +20,6 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/platform_device.h>
-#include <linux/reboot.h>
#include <linux/types.h>
#include <linux/watchdog.h>
#include <linux/timer.h>
@@ -88,12 +87,22 @@ static int bcm47xx_wdt_hard_set_timeout(struct watchdog_device *wdd,
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)
@@ -158,34 +167,13 @@ static const struct watchdog_info bcm47xx_wdt_info = {
WDIOF_MAGICCLOSE,
};
-static int bcm47xx_wdt_notify_sys(struct notifier_block *this,
- unsigned long code, void *unused)
-{
- struct bcm47xx_wdt *wdt;
-
- wdt = container_of(this, struct bcm47xx_wdt, notifier);
- if (code == SYS_DOWN || code == SYS_HALT)
- wdt->wdd.ops->stop(&wdt->wdd);
- 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)
@@ -214,32 +202,18 @@ static int bcm47xx_wdt_probe(struct platform_device *pdev)
if (ret)
goto err_timer;
watchdog_set_nowayout(&wdt->wdd, nowayout);
-
- wdt->notifier.notifier_call = &bcm47xx_wdt_notify_sys;
-
- ret = register_reboot_notifier(&wdt->notifier);
- 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;
+ watchdog_set_restart_priority(&wdt->wdd, 64);
+ watchdog_stop_on_reboot(&wdt->wdd);
ret = watchdog_register_device(&wdt->wdd);
if (ret)
- goto err_handler;
+ goto err_timer;
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:
if (soft)
del_timer_sync(&wdt->soft_timer);
@@ -255,7 +229,6 @@ static int bcm47xx_wdt_remove(struct platform_device *pdev)
return -ENXIO;
watchdog_unregister_device(&wdt->wdd);
- unregister_reboot_notifier(&wdt->notifier);
return 0;
}