> OK but in 2.6.8.1 the endpoint extra info is not searched for class
> specific descriptors.
> It seems perfectly reasonable to me to put these descriptors after the
> endpoint
> descriptors.
That is a common (mis)reading. Therefore a fix is in the pipeline and
hopefully in 2.6.9.
> You find a clarity of expression in the usb standards I do not but I
> have to
> agree with you that this is the *right thing to do*.
So I saw it, too. But again we are dealing with real hardware.
[..]
> Now that we are chatting ;-), I don't see that the CDC standard
> specifies the necessity of
> a union descriptor, a CDC modem should be perfectly capable of
> functioning without the
> interrupt notification interface (just a control interface), I have
But not without the union descriptor. The standard tells us that
the control and slave interfaces are listed in the union descriptor.
To contain this information the descriptor must be present.
Regards
Oliver
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