linux-kernel - Re: [PATCH v2] watchdog: omap_wdt: Add 'early

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Date:	Wed, 17 Sep 2014 17:22:49 +0200
From:	Rostislav Lisovy <lisovy@...il.com>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	Wim Van Sebroeck <wim@...ana.be>, linux-watchdog@...r.kernel.org,
	linux-kernel@...r.kernel.org, sojkam1@....cvut.cz,
	michal.vokac@...ap.cz, Rostislav Lisovy <lisovy@...ica.cz>
Subject: Re: [PATCH v2] watchdog: omap_wdt: Add 'early_disable' module
 parameter

Hello Guenter;
Thanks for the review.

On Út, 2014-09-16 at 08:49 -0700, Guenter Roeck wrote:
> How do you know that the watchdog was already running ?
> Seems to me you are just making an assumption that it is running
> without really knowing for sure.

You are definitely right, however the OMAP Watchdog seems to be such a
sophisticated piece of hardware that there is no possible way how to
determine if it is running or not (sampling timer counter twice and
comparing both values is they differ is stupid).

Best regards;
Rostislav

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