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
>
>