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

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Message-ID: <001e01cb8169$2dc11990$89434cb0$@org>
Date:	Thu, 11 Nov 2010 08:24:59 +0200
From:	"Tanya Brokhman" <tlinder@...eaurora.org>
To:	<tlinder@...eaurora.org>, "'David Brownell'" <david-b@...bell.net>
Cc:	<linux-usb@...r.kernel.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 RESENd] usb:gadget: Add SuperSpeed support to the      Gadget Framework

Resending since not everyone received my reply.

-----Original Message-----
From: tlinder@...eaurora.org [mailto:tlinder@...eaurora.org] 
Sent: Tuesday, October 05, 2010 9:15 AM
To: David Brownell
Cc: linux-usb@...r.kernel.org; tlinder; David Brownell; Greg Kroah-Hartman;
Michal Nazarewicz; Randy Dunlap; Laurent Pinchart; Kyungmin Park; Robert
Lukassen; Sarah Sharp; Matthew Wilcox; Fabien Chouteau; Tejun Heo;
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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