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| author | Damien Riegel <damien.riegel@savoirfairelinux.com> | 2015-11-20 22:54:55 +0100 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2015-12-13 15:56:06 +0100 |
| commit | 84ebcc17f281ed6ce1e6a7b4b0d9f15da727edd5 (patch) | |
| tree | 9e703b9bb915909ea8148a6842dc854929dcaec7 /drivers/watchdog | |
| parent | watchdog: gpio_wdt: use core reboot notifier (diff) | |
| download | linux-84ebcc17f281ed6ce1e6a7b4b0d9f15da727edd5.tar.xz linux-84ebcc17f281ed6ce1e6a7b4b0d9f15da727edd5.zip | |
watchdog: softdog: 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 <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>
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/softdog.c | 30 |
1 files changed, 2 insertions, 28 deletions
diff --git a/drivers/watchdog/softdog.c b/drivers/watchdog/softdog.c index 0dc5e323d59d..fe1e15137bf6 100644 --- a/drivers/watchdog/softdog.c +++ b/drivers/watchdog/softdog.c @@ -43,7 +43,6 @@ #include <linux/types.h> #include <linux/timer.h> #include <linux/watchdog.h> -#include <linux/notifier.h> #include <linux/reboot.h> #include <linux/init.h> #include <linux/jiffies.h> @@ -122,26 +121,9 @@ static int softdog_set_timeout(struct watchdog_device *w, unsigned int t) } /* - * Notifier for system down - */ - -static int softdog_notify_sys(struct notifier_block *this, unsigned long code, - void *unused) -{ - if (code == SYS_DOWN || code == SYS_HALT) - /* Turn the WDT off */ - softdog_stop(NULL); - return NOTIFY_DONE; -} - -/* * Kernel Interfaces */ -static struct notifier_block softdog_notifier = { - .notifier_call = softdog_notify_sys, -}; - static struct watchdog_info softdog_info = { .identity = "Software Watchdog", .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE, @@ -175,18 +157,11 @@ static int __init watchdog_init(void) softdog_dev.timeout = soft_margin; watchdog_set_nowayout(&softdog_dev, nowayout); - - ret = register_reboot_notifier(&softdog_notifier); - if (ret) { - pr_err("cannot register reboot notifier (err=%d)\n", ret); - return ret; - } + watchdog_stop_on_reboot(&softdog_dev); ret = watchdog_register_device(&softdog_dev); - if (ret) { - unregister_reboot_notifier(&softdog_notifier); + if (ret) return ret; - } pr_info("Software Watchdog Timer: 0.08 initialized. soft_noboot=%d soft_margin=%d sec soft_panic=%d (nowayout=%d)\n", soft_noboot, soft_margin, soft_panic, nowayout); @@ -197,7 +172,6 @@ static int __init watchdog_init(void) static void __exit watchdog_exit(void) { watchdog_unregister_device(&softdog_dev); - unregister_reboot_notifier(&softdog_notifier); } module_init(watchdog_init); |