From mboxrd@z Thu Jan  1 00:00:00 1970
From: dwalker@fifo99.com (Daniel Walker)
Date: Wed, 30 Mar 2011 09:03:26 -0700
Subject: [PATCH] msm: watchdog: support watchdog on 8x60 and 8960
In-Reply-To: <4D92B43B.5050101@codeaurora.org>
References: <1301105894-22835-1-git-send-email-johlstei@codeaurora.org>
	<1301426560.4049.0.camel@m0nster>  <4D92B43B.5050101@codeaurora.org>
Message-ID: <1301501006.5346.2.camel@m0nster>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Tue, 2011-03-29 at 21:40 -0700, Jeff Ohlstein wrote:
> Daniel Walker wrote:
> > Are you saying this is mostly a debugging facility ? The interrupts off
> > thing I can see as just debugging, but I don't understand the bus
> > lockups part.
> >   
> 
> It isn't just a debugging facility. It is still beneficial to the end user
> in that it restarts the system if there is a bus lockup or a faulty 
> interrupt
> handler in a rarely used codepath. This is better than the alternative 
> of draining
> the battery and turning off. We want this to be turned on independent of 
> what userspace
> one is using, unless they explicitly turn it off themselves.

It doesn't sound too different that all the other watchdogs in
drivers/watchdog/ .. Your just detecting lockups right?

Daniel