Windows USB 3.0 Enumeration

[DivyangMali <di...@ar...>]

Hi My name is Divyang Mali & I am working in one of the semiconductor company
in Bangluru(India).

We are developing USB 3.0 device IP. But, we stuck in issue regarding to
Enumeration of USB 3.0 in Windows.

As we debug this issue we found that Enumeration is not progress after
DEVICE DESCRIPTOR request with NEC Host Controller. First Set Address
Request came & successfully completed and after that Device Descriptor
request came & that is also successfully completed, but after that no any
progress. In Device Manger it shows unknown device. As we go for device
properties, under General tab device status is "The device can not start.
(Code 10). Unable to access the registry". And also under Events tab
information is "Device USB\VID_PID.... has a problem starting with (null)".

And, our device is a custom class device.

So, please can anybody help me on this or provide some information on this.

Thanks,

Divyang

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