linux-kernel - Re: [PATCH] watchdog: imx7ulp_wdt: handle the nowayout option

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Message-ID: <aSSSDBKl2vvQCRSw@lizhi-Precision-Tower-5810>
Date: Mon, 24 Nov 2025 12:12:44 -0500
From: Frank Li <Frank.li@....com>
To: Oleksandr Suvorov <cryosay@...il.com>
Cc: linux-kernel@...r.kernel.org, Fabio Estevam <festevam@...il.com>,
	Guenter Roeck <linux@...ck-us.net>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Shawn Guo <shawnguo@...nel.org>,
	Wim Van Sebroeck <wim@...ux-watchdog.org>, imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-watchdog@...r.kernel.org
Subject: Re: [PATCH] watchdog: imx7ulp_wdt: handle the nowayout option

On Sun, Nov 23, 2025 at 10:24:33PM +0200, Oleksandr Suvorov wrote:
> The module parameter `nowayout` indicates whether the watchdog should ever
> be allowed to stop, but the driver currently ignores this option.
>
> Pass the `nowayout` parameter to the watchdog core by setting the
> WDOG_NO_WAY_OUT flag accordingly.
>
> Signed-off-by: Oleksandr Suvorov <cryosay@...il.com>
>
> ---
Reviewed-by: Frank Li <Frank.Li@....com>
>
>  drivers/watchdog/imx7ulp_wdt.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/watchdog/imx7ulp_wdt.c b/drivers/watchdog/imx7ulp_wdt.c
> index 0f13a30533574..03479110453ce 100644
> --- a/drivers/watchdog/imx7ulp_wdt.c
> +++ b/drivers/watchdog/imx7ulp_wdt.c
> @@ -346,6 +346,7 @@ static int imx7ulp_wdt_probe(struct platform_device *pdev)
>  	watchdog_stop_on_reboot(wdog);
>  	watchdog_stop_on_unregister(wdog);
>  	watchdog_set_drvdata(wdog, imx7ulp_wdt);
> +	watchdog_set_nowayout(wdog, nowayout);
>
>  	imx7ulp_wdt->hw = of_device_get_match_data(dev);
>  	ret = imx7ulp_wdt_init(imx7ulp_wdt, wdog->timeout * imx7ulp_wdt->hw->wdog_clock_rate);
> --
> 2.43.0
>
> base-commit: 1af5c1d3a90246a15225fc7de0ed7e5f9b2f3f98
> branch: master-imc7ulp_wdt-nowayout