Subject: Re: USB UHCI driver and controller quirks
To: Alan Stern <stern@rowland.harvard.edu>
From: Lennart Augustsson <lennart@augustsson.net>
List: tech-kern
Date: 02/14/2004 18:37:35
None of those are handled.  If you'd like to implement it, that
would be great.

	-- Lennart

Alan Stern wrote:
> I know nothing about NetBSD, but I hope someone can give me some 
> information (or point out where to look) about the USB UHCI host 
> controller driver.
> 
> In particular, I'd like to know how it copes with the differences and 
> quirks of various manufacturers' controllers.  A few items of interest:
> 
> 	How is Intel's non-standard implementation of the Over Current
> 	port status bits managed?
> 
> 	What about VIA's implementation of those same bits, done
> 	differently from Intel's?
> 
> 	Does the driver cope with the Intel erratum that causes a port
> 	with the Over Current input set to signal a Resume Detect?
> 
> 	How does the driver handle VIA controllers that shut themselves
> 	down when they receive a babble packet?
> 
> Thanks for any help...
> 
> Alan Stern
> 
>