Brad Hards wrote:
>
> David Brownell wrote:
> >
> > > > > http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/linux-usb/hcd/
> > > >
> > > > Yep, I think I got that problem that'd been so annoying. With
> > > > current CVS and a prototype USB 2.0 storage device, this now
> > > > hotplugs usb-storage ... usb-storage gets past its first bulk request,
> > > > hangs on the second, and then gets unhappy when I unload the
> > > > ehci-hcd module while it's still trying to probe that device! :)
> > >
> > > Do you think it is:
> >
> > "it" being ...? usb-storage shouldn't ignore the error reported during
> > probe(); oopsing is bad. The hang is under investigation; feels most
> > like a device problem, or some driver issue. (The driver bulk code
> > is the same as the control code except in a couple QH setup paths,
> > but that second bulk QH should act the same as the first...)
> I was less concerned about the oops, and more about the failing bulk request.
> I'll be leaving this one for a while though...
>
> > > > - should behave on some systems with 64bit dma_addr_t
> > > Is this the Annex A behaviour?
> >
> > Per spec, yes.
> No testing? I will try to get an EHCI card to Paulus or Anton Blanchard in the
> near future. That should get us some 64 bit testing :)
But it'll be 32 bit behaviour in a 64 bit environment, since that is what the
NEC chips do :(
I should think before I write....
Brad
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