Re: [PATCH] USB: option: Add USB ID for Novatel Ovation MC551

[Dan Williams <dcbw@xxxxxxxxxx>]

On Fri, 2012-06-22 at 09:49 -0400, Forest Bond wrote:
> Hi Bjørn,
> 
> On Fri, Jun 22, 2012 at 11:53:12AM +0200, Bjørn Mork wrote:
> > Dan Williams <dcbw@xxxxxxxxxx> writes:
> > 
> > > This was just a comment to let others (Bjorn!) know that we'll *also*
> > > probably need some more ids in cdc_wdm.  I'm not 100% certain the device
> > > does QMI, but I'm 95% sure.
> > 
> > Thanks for the confidence, but I don't see how I can guess this at
> > all. The only way to know for sure is if one of you with the device can
> > test it.
> > 
> > I am attaching my perl example of how QMI support can be tested without
> > any driver support or other QMI utilities. It creates a CDC embedded
> > QMI_CTL "Get Version" request and sends that using libusb to all possible
> > interfaces on a device.  No magic.  If we get a response, then the
> > interface supports QMI.  Otherwise it doesn't.
> 
> I guess this indicates no QMI support?  Or is there some other problem?
> 
> # ./qmiver.pl --device=1410:b001
> Debugging: off
> Device: 1410:b001
> Candidate: ifnum=0
> control_msg() failed (-32): Broken pipe
> Unsupported endpoint configuration on ifnum=1
> Unsupported endpoint configuration on ifnum=2
> Unsupported endpoint configuration on ifnum=4
> Candidate: ifnum=6
> control_msg() failed (-108): Cannot send after transport endpoint shutdown
> Unsupported endpoint configuration on ifnum=7

So after 'rmmod cdc_ether usbnet' and running the tool, the device
crashes and disconnects from the bus.  But it clearly is doing QMUX in
Windows....

Dan


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