linux-kernel - Re: [PATCH v5 1/8] watchdog: Introduce hardware maximum timeout in watchdog core

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Date:	Tue, 24 Nov 2015 22:14:08 +0100
From:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	linux-watchdog@...r.kernel.org, Wim Van Sebroeck <wim@...ana.be>,
	linux-kernel@...r.kernel.org,
	Timo Kokkonen <timo.kokkonen@...code.fi>,
	linux-doc@...r.kernel.org, Jonathan Corbet <corbet@....net>
Subject: Re: [PATCH v5 1/8] watchdog: Introduce hardware maximum timeout in
 watchdog core

Hello Guenter,

On Tue, Nov 24, 2015 at 08:45:05AM -0800, Guenter Roeck wrote:
> On 11/24/2015 08:11 AM, Uwe Kleine-König wrote:
> >On Tue, Nov 24, 2015 at 07:03:13AM -0800, Guenter Roeck wrote:
> >>thanks a lot for the Ack. I have v6 in the works, which changes recording
> >>of last_keepalive when the watchdog is started. Does your Ack include that
> >>change, or do you prefer to have another look ?
> >
> >this change is to sample jiffies before .start is called as I suggested,
> >right? For that change keeping my ack is ok of course.
> >
> 
> Correct. This is how the code now looks like.
> 
>         started_at = jiffies;
>         if (watchdog_hw_running(wdd) && wdd->ops->ping)
>                 err = wdd->ops->ping(wdd);
>         else
>                 err = wdd->ops->start(wdd);
>         if (err == 0) {
>                 set_bit(WDOG_ACTIVE, &wdd->status);
>                 wdd->last_keepalive = started_at;
>                 watchdog_update_worker(wdd);
>         }

\o/

Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
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