Re: [PATCH v4 2/2] usb/gadget: Add driver for Aspeed SoC virtual hub

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On Fri, 2018-03-16 at 09:23 +0200, Felipe Balbi wrote:
> >
> > If I just create a mass storage function set to be "removable" and
> > "cdrom" with no file attached,  and enable it, I get an endless stream
> > of resets. It looks like the host constantly does USB resets.
> >
> > I suspect the host is sending SCSI commands that fail and resets
> > as a result, but that's spamming both logs and is rather ... sub
> > optimal.
> >
> > Do we know what's going on ? Is this just TEST_UNIT_READY or some other
> > media check ? Or are we missing some commands we should actually
> > implement in the mass storage gadget ?
> 
> enable debugging for mass storage, there's a lot of intersting
> information there.

Yup, I'll do along with other things, I was just probing to see if it
was a known issue before diving into it.

Cheers,
Ben.

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