linux-kernel - Re: [RFC/PATCH 2/2] usb:gadget: Add SuperSpeed support to the Gadget Framework

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Message-ID: <7d9b495656759bd678ed91212b279a6c.squirrel@www.codeaurora.org>
Date:	Tue, 5 Oct 2010 00:15:01 -0700 (PDT)
From:	tlinder@...eaurora.org
To:	"David Brownell" <david-b@...bell.net>
Cc:	linux-usb@...r.kernel.org, "tlinder" <tlinder@...eaurora.org>,
	"David Brownell" <dbrownell@...rs.sourceforge.net>,
	"Greg Kroah-Hartman" <gregkh@...e.de>,
	"Michal Nazarewicz" <m.nazarewicz@...sung.com>,
	"Randy Dunlap" <randy.dunlap@...cle.com>,
	"Laurent Pinchart" <laurent.pinchart@...asonboard.com>,
	"Kyungmin Park" <kyungmin.park@...sung.com>,
	"Robert Lukassen" <robert.lukassen@...tom.com>,
	"Sarah Sharp" <sarah.a.sharp@...ux.intel.com>,
	"Matthew Wilcox" <willy@...ux.intel.com>,
	"Fabien Chouteau" <fabien.chouteau@...co.com>,
	"Tejun Heo" <tj@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [RFC/PATCH 2/2] usb:gadget: Add SuperSpeed support to the 
     Gadget Framework

Hi Dave

We're currently working on USB Device Controller implementation. We
already have a working setup in our lab which these changes were verified
on. We passed USBCV 3.0 and 2.0 tests with this setup.
In parallel we added SuperSpeed support to the dummy_hcd module and tested
the patch using it as well. Changes to dummy_hcd will be release in a few
days.

Regards,
Tanya

I seem to have missed any posting of a SuperSpeed
> capable USB Device Controller driver, even as RFC.
>
> So these patches can't actually achieve what their
> subjects say.
>
> I'd rather hold off such interface changes until
> there's a orking vertical slice through the stack,
> complete enough to test and evaluate the changes.
>
> That said:  yes, propose the interface changes first
> before diving into the rest.
>
> - Dave
>
>
>
>
>


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