On Mon, Jun 05, 2000, David Brownell <[EMAIL PROTECTED]> wrote:
> > > By reading descriptors you cannot change the configuration of the device, so
> > > it can be given to every user. (depending on the r flags off course).
> >
> > Yes but even this may crash some devices
>
> You still haven't identified any such devices ... AFAICT I've never seen
> one, which is perhaps why I'm not too worried yet by this risk.
I have a hub here which caused me no end of problems. It started acting
weird when asked fr nonexistant descriptors. Not crash, but weird. I'll
see if I can find it and test again with it. I haven't used it in a
while since it was not helping me troubleshoot some other problems I was
seeing.
> When we have some sort of token passing framework letting multiple drivers
> issue control messages to a device, we'll be able to establish policies
> that accomodate both "conformant" devices (GET_DESCRIPTOR/FEATURE/... is
> safe to call any time) and broken ones.
Token passing? Did I miss a post from you?
> It'll be just a simple matter of programming to provide access to that
> framework through usbdevfs calls. More info coming later.
JE
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