| Message ID | 20190528090947.2610-1-mans@mansr.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
| Series | watchdog: gpio: add support for nowayout option | expand |
On 5/28/19 2:09 AM, Mans Rullgard wrote: > 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> > --- > drivers/watchdog/gpio_wdt.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/drivers/watchdog/gpio_wdt.c b/drivers/watchdog/gpio_wdt.c > index ea77cae03c9d..63792bb70213 100644 > --- a/drivers/watchdog/gpio_wdt.c > +++ b/drivers/watchdog/gpio_wdt.c > @@ -17,6 +17,12 @@ > #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 > > @@ -155,6 +161,7 @@ static int gpio_wdt_probe(struct platform_device *pdev) > priv->wdd.timeout = SOFT_TIMEOUT_DEF; > > watchdog_init_timeout(&priv->wdd, 0, &pdev->dev); > + watchdog_set_nowayout(&priv->wdd, nowayout); > > watchdog_stop_on_reboot(&priv->wdd); > >
diff --git a/drivers/watchdog/gpio_wdt.c b/drivers/watchdog/gpio_wdt.c index ea77cae03c9d..63792bb70213 100644 --- a/drivers/watchdog/gpio_wdt.c +++ b/drivers/watchdog/gpio_wdt.c @@ -17,6 +17,12 @@ #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 @@ -155,6 +161,7 @@ static int gpio_wdt_probe(struct platform_device *pdev) priv->wdd.timeout = SOFT_TIMEOUT_DEF; watchdog_init_timeout(&priv->wdd, 0, &pdev->dev); + watchdog_set_nowayout(&priv->wdd, nowayout); watchdog_stop_on_reboot(&priv->wdd);
Add support for the nowayout option in the gpio watchdog driver. Signed-off-by: Mans Rullgard <mans@mansr.com> --- drivers/watchdog/gpio_wdt.c | 7 +++++++ 1 file changed, 7 insertions(+)