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watchdog: bcm47xx_wdt: use core reboot notifier

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Get rid of the custom reboot notifier block registration and use the one
provided by the watchdog core.

Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirlinux.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Damien Riegel 2015-11-20 16:54:52 -05:00 committed by Wim Van Sebroeck
parent e131319669
commit 2786aadeab
2 changed files with 2 additions and 24 deletions
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24
drivers/watchdog/bcm47xx_wdt.c
View File

@ -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>
@ -168,17 +167,6 @@ 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 struct watchdog_ops bcm47xx_wdt_soft_ops = {
.owner = THIS_MODULE,
.start = bcm47xx_wdt_soft_start,
@ -215,24 +203,17 @@ static int bcm47xx_wdt_probe(struct platform_device *pdev)
goto err_timer;
watchdog_set_nowayout(&wdt->wdd, nowayout);
watchdog_set_restart_priority(&wdt->wdd, 64);
wdt->notifier.notifier_call = &bcm47xx_wdt_notify_sys;
ret = register_reboot_notifier(&wdt->notifier);
if (ret)
goto err_timer;
watchdog_stop_on_reboot(&wdt->wdd);
ret = watchdog_register_device(&wdt->wdd);
if (ret)
goto err_notifier;
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_notifier:
unregister_reboot_notifier(&wdt->notifier);
err_timer:
if (soft)
del_timer_sync(&wdt->soft_timer);
@ -248,7 +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;
}

2
include/linux/bcm47xx_wdt.h
View File

@ -1,7 +1,6 @@
#ifndef LINUX_BCM47XX_WDT_H_
#define LINUX_BCM47XX_WDT_H_
#include <linux/notifier.h>
#include <linux/timer.h>
#include <linux/types.h>
#include <linux/watchdog.h>
@ -15,7 +14,6 @@ struct bcm47xx_wdt {
void *driver_data;
struct watchdog_device wdd;
struct notifier_block notifier;
struct timer_list soft_timer;
atomic_t soft_ticks;