linux-kernel - Re: [PATCH v2 4/8] watchdog: Make set

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Message-ID: <20150814190535.GV9999@pengutronix.de>
Date:	Fri, 14 Aug 2015 21:05:35 +0200
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 v2 4/8] watchdog: Make set_timeout function optional

Hello Guenter,

On Fri, Aug 07, 2015 at 10:02:43PM -0700, Guenter Roeck wrote:
> For some watchdogs, the hardware timeout is fixed, and the
> watchdog driver depends on the watchdog core to handle the
> actual timeout. In this situation, the watchdog driver might
> only set the 'timeout' variable but do nothing else.
> This can as well be handled by the infrastructure, so make
> the set_timeout callback optional. If WDIOF_SETTIMEOUT is
> configured but the .set_timeout callback is not available,
> update the timeout variable in the infrastructure code.
> 
> Signed-off-by: Guenter Roeck <linux@...ck-us.net>
Acked-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>

Thanks
Uwe

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