diff options
| author | Mans Rullgard <mans@mansr.com> | 2019-05-28 10:09:47 +0100 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@linux-watchdog.org> | 2019-07-08 19:39:44 +0200 |
| commit | 1a4aaf9f11f9937e93fe9907e6c2320a10a9f269 (patch) | |
| tree | e453ddc4e2019da663f2509a8e1f31679cba859d /drivers/watchdog | |
| parent | b7fbd3e55c0f842551445d6dbe3dd92ab155b2e8 (diff) | |
| download | linux-1a4aaf9f11f9937e93fe9907e6c2320a10a9f269.tar.bz2 | |
watchdog: gpio: add support for nowayout option
Add support for the nowayout option in the gpio watchdog driver.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/gpio_wdt.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/watchdog/gpio_wdt.c b/drivers/watchdog/gpio_wdt.c index 777de10f2a78..0923201ce874 100644 --- a/drivers/watchdog/gpio_wdt.c +++ b/drivers/watchdog/gpio_wdt.c @@ -13,6 +13,12 @@ #include <linux/platform_device.h> #include <linux/watchdog.h> +static bool nowayout = WATCHDOG_NOWAYOUT; +module_param(nowayout, bool, 0); +MODULE_PARM_DESC(nowayout, + "Watchdog cannot be stopped once started (default=" + __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); + #define SOFT_TIMEOUT_MIN 1 #define SOFT_TIMEOUT_DEF 60 @@ -151,6 +157,7 @@ static int gpio_wdt_probe(struct platform_device *pdev) priv->wdd.timeout = SOFT_TIMEOUT_DEF; watchdog_init_timeout(&priv->wdd, 0, dev); + watchdog_set_nowayout(&priv->wdd, nowayout); watchdog_stop_on_reboot(&priv->wdd); |