Re: Linux USB file storage gadget with new UDC

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On Fri, 12 Jul 2013, Felipe Balbi wrote:

> On Fri, Jul 12, 2013 at 10:46:48AM -0400, Alan Stern wrote:
> > > You should be naking
> > > those extra requests until you're ready to ack.
> > 
> > Well, that's not quite right.  Devices cannot NAK new control requests;  
> > a NAK is not a valid response to a SETUP packet.
> 
> there would be no SETUP request if he properly delays his status phase.

Exactly.

Victor, if you can get hold of a USB bus analyzer, you would be able to
see directly when the DATA1 packet does or does not get sent.

Alan Stern

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