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    Subject[PATCH] watchdog: gpio: add support for nowayout option
    Date
    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(+)

    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);

    --
    2.21.0
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