RE: [RFT v2 2/2] USB: Free bandwidth when usb_disable_device is called.

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On Thu, 16 Jun 2011, Tanya Brokhman wrote:

> > The only driver meant to work with g_zero is the usbtest driver.
> > Unfortunately it doesn't allow you switch configurations while a test
> > is running, because it holds the device lock during each test.
> > 
> > Why not use g_file_storage or g_mass_storage for your tests?  You
> > shouldn't have much trouble adding the appropriate SuperSpeed
> > descriptors (one bulk-IN and one bulk-OUT endpoint).
> > 
> 
> I already have SS descriptors for f_mass_storage. But a "clean"
> f_mass_storage has only 1 configuration so it's no use to me. With the UAS
> changes the g_mass_storage gadget has 2 configs but I suspect that there are
> bugs in the UAS code so I wanted to eliminate that from the testing setup.

There's always "config 0".  Of course, you can't do much testing while 
the device is unconfigured...

Perhaps you can put together a wrapper file that defines two configs, 
both of which use f_mass_storage.

Alan Stern

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