linux-kernel - Re: [PATCH] firewire: fw-ohci: write selfIDBufferPtr before LinkControl.rcvSelfID

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Date:	Thu, 5 Jun 2008 15:13:27 -0400
From:	Jarod Wilson <jwilson@...hat.com>
To:	linux1394-devel@...ts.sourceforge.net
Cc:	Stefan Richter <stefanr@...6.in-berlin.de>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] firewire: fw-ohci: write selfIDBufferPtr before LinkControl.rcvSelfID

On Thursday 05 June 2008 02:50:53 pm Stefan Richter wrote:
> OHCI 1.1 clause 5.10 requires that selfIDBufferPtr is valid when a 1 is
> written into LinkControl.rcvSelfID.
>
> This driver bug has so far not been known to cause harm because most
> chips obviously accept a later selfIDBufferPtr write.
>
> Signed-off-by: Stefan Richter <stefanr@...6.in-berlin.de>

I vaguely recall discussing this one before. Doesn't seem to have caused any 
problems in practice, but yeah, should go ahead and be more spec compliant 
here.

Signed-off-by: Jarod Wilson <jwilson@...hat.com>

-- 
Jarod Wilson
jwilson@...hat.com
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