Date: Thu, 12 Jun 2003 02:21:39 +0200 From: Bernd Walter <ticso@cicely12.cicely.de> To: Josef Karthauser <joe@FreeBSD.org>, ticso@cicely.de, Craig Boston <craig@xfoil.gank.org>, current@FreeBSD.org Subject: Re: CardBus USB 2.0 Controller (NEC uPD) Message-ID: <20030612002139.GT26807@cicely12.cicely.de> In-Reply-To: <20030611224538.GB10822@genius.tao.org.uk> References: <1055260269.91337.127.camel@owen1492.uf.corelab.com> <20030611193734.GO26807@cicely12.cicely.de> <20030611224538.GB10822@genius.tao.org.uk>
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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@bwct.de info@bwct.de
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