Re: CardBus USB 2.0 Controller (NEC uPD)

On Wed, Jun 11, 2003 at 11:45:38PM +0100, Josef Karthauser wrote:
> On Wed, Jun 11, 2003 at 09:37:35PM +0200, Bernd Walter wrote:
> > On Tue, Jun 10, 2003 at 10:51:10AM -0500, Craig Boston wrote:
> > > I recently purchased a generic CompUSA branded CardBus USB 2.0
> > > controller for a challenge to try to get it to work under FreeBSD ;)  It
> > > appears to use an NEC chip -- one that I've seen reports of the PCI
> > > version working -- so at least some of the support for it is already
> > > there.  I'm willing to take a stab at it and would be grateful if
> > > someone can point me in the general direction of where to start.
> > 
> > There are known problems with USB2.0 cardbus cards.
> > We have some kind of resource problem - Warner already wrote something
> > about it some time ago.
> > 
> > > If I pop out the card I get:
> > 
> > Neither OHCI nor EHCI controllers have working detach code right now.
> 
> The detach code could be made to work fairly easily.  It's mostly there
> I believe, but disabled.  Nick couldn't convince himself that all the
> used memory was being returned if the device is suddently unloaded.  You
> could suck it and see.

I'm not shure if the code would work, but it was also ported into ehci
and therefor ehci should be in a similar state.
Well loosing memory is better than panic.
I have no cardbus - can this be tested with a module?

-- 
B.Walter                   BWCT                http://www.bwct.de
ticso_at_bwct.de                                  info_at_bwct.de