From 2786aadeab263609eb690ca37e7dfd3b9ffa3625 Mon Sep 17 00:00:00 2001 From: Damien Riegel Date: Fri, 20 Nov 2015 16:54:52 -0500 Subject: [PATCH] watchdog: bcm47xx_wdt: use core reboot notifier Get rid of the custom reboot notifier block registration and use the one provided by the watchdog core. Signed-off-by: Damien Riegel Reviewed-by: Guenter Roeck Reviewed-by: Vivien Didelot Signed-off-by: Guenter Roeck Signed-off-by: Wim Van Sebroeck --- drivers/watchdog/bcm47xx_wdt.c | 24 ++---------------------- include/linux/bcm47xx_wdt.h | 2 -- 2 files changed, 2 insertions(+), 24 deletions(-) diff --git a/drivers/watchdog/bcm47xx_wdt.c b/drivers/watchdog/bcm47xx_wdt.c index 01bffe174ff9..df1c2a4b0165 100644 --- a/drivers/watchdog/bcm47xx_wdt.c +++ b/drivers/watchdog/bcm47xx_wdt.c @@ -20,7 +20,6 @@ #include #include #include -#include #include #include #include @@ -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; } diff --git a/include/linux/bcm47xx_wdt.h b/include/linux/bcm47xx_wdt.h index b708786d4cbf..8d9d07ec22a5 100644 --- a/include/linux/bcm47xx_wdt.h +++ b/include/linux/bcm47xx_wdt.h @@ -1,7 +1,6 @@ #ifndef LINUX_BCM47XX_WDT_H_ #define LINUX_BCM47XX_WDT_H_ -#include #include #include #include @@ -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; -- 2.34.1