Subject: Re: [PATCH 4/7] disable broadcomm legacy boot interrupt generation
From: Jon Masters <jonathan@jonmasters.org>
To: Olaf Dabrunz <od@suse.de>
Cc: Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
       "H. Peter Anvin" <hpa@zytor.com>, linux-kernel@vger.kernel.org,
       Stefan Assmann <sassmann@suse.de>
In-Reply-To: <20080603155914.GC16200@suse.de>
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	 <20080603155914.GC16200@suse.de>
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Date: Tue, 03 Jun 2008 12:05:43 -0400
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On Tue, 2008-06-03 at 17:59 +0200, Olaf Dabrunz wrote:
> On 03-Jun-08, Jon Masters wrote:
> > On Mon, 2008-06-02 at 14:45 +0200, Olaf Dabrunz wrote:
> > 
> > > Add a quirk to disable legacy boot interrupt generation on broadcomm HT1000.
> > 
> > This one interests me, because I got access to the Broadcom HT-1000
> > datasheet and could not find this feature mentioned in there. I'd
> > appreciate knowing how you figured this one out :)
> 
> I had a sharp look at it... ;)

Me too. It's ***NOT*** mentioned in there :)

> Actually, I looked through the datasheet three times, and did not find
> anything. Then I looked at the IRQ routing picture until I had an idea
> of how it is supposed to work and the solution was becoming clear. The
> register descriptions made me believe it could work, and testing
> confirmed this.

Oh, ok, now that takes some inordinate amount of dedication (on the
level of commitable...I mean dude, WTF? :P). Someone should call the LHC
and let them know you've got a way to detect the undetectable.

Jon.


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