linux-kernel - Re: [PATCH] watchdog: bcm2835_wdt: set WDOG_HW

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Date:   Mon, 12 Dec 2016 09:46:55 -0800
From:   Eric Anholt <eric@...olt.net>
To:     Rasmus Villemoes <rasmus.villemoes@...vas.dk>,
        Wim Van Sebroeck <wim@...ana.be>,
        Guenter Roeck <linux@...ck-us.net>,
        Stephen Warren <swarren@...dotorg.org>,
        Lee Jones <lee@...nel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com
Cc:     Rasmus Villemoes <rasmus.villemoes@...vas.dk>,
        linux-watchdog@...r.kernel.org,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] watchdog: bcm2835_wdt: set WDOG_HW_RUNNING bit when appropriate

Rasmus Villemoes <rasmus.villemoes@...vas.dk> writes:

> A bootloader may start the watchdog device before handing control to
> the kernel - in that case, we should tell the kernel about it so the
> watchdog framework can keep it alive until userspace opens
> /dev/watchdog0.

I don't believe our current bootloaders (the closed firmware or u-boot)
set up the watchdog, but this seems reasonable since they might want to
later.

Acked-by: Eric Anholt <eric@...olt.net>

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