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On Sat, Feb 14, 2004 at 10:59:15AM -0500, Alan Stern wrote:
> I know nothing about NetBSD, but I hope someone can give me some=20
> information (or point out where to look) about the USB UHCI host=20
> controller driver.
>=20
> In particular, I'd like to know how it copes with the differences and=20
> quirks of various manufacturers' controllers.  A few items of interest:
>=20
> 	How is Intel's non-standard implementation of the Over Current
> 	port status bits managed?
>=20
> 	What about VIA's implementation of those same bits, done
> 	differently from Intel's?
>=20
> 	Does the driver cope with the Intel erratum that causes a port
> 	with the Over Current input set to signal a Resume Detect?
>=20
> 	How does the driver handle VIA controllers that shut themselves
> 	down when they receive a babble packet?
>=20
> Thanks for any help...
>=20
> Alan Stern
>=20
>=20
>=20

I don't know much about USB, but many quirks are there :
/usr/src/sys/dev/usb/umass_quirks.c

Look in related files to find some answers to your questions ;-).

--=20
Richard Braun

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