Am Donnerstag, 25. Januar 2007 01:21 schrieb Oleg Verych:
> On 12/15/06, Alan Stern <[EMAIL PROTECTED]> wrote:
> > It isn't exported because, generally speaking, drivers can't use it. If
> > your driver called usb_set_configuration() from within its probe routine,
> > it would hang. That's because usb_set_configuration would unregister the
> > interface being probed by your driver, so it would try to call your
> > driver's disconnect routine, but first it would have to wait for the probe
> > to finish -- deadlock.
>
> Ehh... USB, Devices are designed to change configurations, linux-usb isn't.
> Without much technical details -- this is a bed design. No?
It is designed to change configurations through sysfs or usbfs. It's not
designed for a driver to change configurations. Drivers are for interfaces.
Interfaces have no configurations, they have settings. These a driver can
change.
Regards
Oliver
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