linux-kernel - Re: [linux-usb-devel] EHCI Regression in 2.6.23-rc2

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Date:	Wed, 15 Aug 2007 12:12:03 -0700
From:	David Brownell <david-b@...bell.net>
To:	Stuart_Hayes@...l.com
Cc:	linux-usb-devel@...ts.sourceforge.net, webmaster@...gonslave.de,
	greg@...ah.com, linux-kernel@...r.kernel.org
Subject: Re: [linux-usb-devel] EHCI Regression in 2.6.23-rc2

On Wednesday 15 August 2007, Stuart_Hayes@...l.com wrote:
> So... I still think blacklisting the VIA controllers from this CPU
> frequency stuff is the best option.  

Sadly, yes.  My negative impression of VIA quality is confirmed,
yet again...

Please make sure the comments in your blacklist code describe both
of the chip bugs you've observed.


> 	It is unlikely that any real issues 
> will be seen during CPU frequency transitions with these controllers
> anyway, because they claim to cache 8 uframes of the periodic schedule.
 
I'd not be so sure.  But if there are such issues, we can wait
for problem reports.

- Dvae


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