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Message-ID: <Pine.LNX.4.44L0.1104141328390.2487-100000@iolanthe.rowland.org>
Date: Thu, 14 Apr 2011 13:31:36 -0400 (EDT)
From: Alan Stern <stern@...land.harvard.edu>
To: Tatyana Brokhman <tlinder@...eaurora.org>
cc: gregkh@...e.de, <linux-arm-msm@...r.kernel.org>,
<ablay@...eaurora.org>, <balbi@...com>,
"open list:USB GADGET/PERIPH..." <linux-usb@...r.kernel.org>,
open list <linux-kernel@...r.kernel.org>
Subject: Re: [RFC/PATCH v3 2/5] uas: MS UAS Gadget driver - Infrastructure
On Thu, 14 Apr 2011, Tatyana Brokhman wrote:
> This patch implements the infrastructure for the UAS gadget driver.
> The UAS gadget driver registers as a second configuration of the MS
> gadet driver.
>
> A new module parameter was added to the mass_storage module:
> bool use_uasp. (default = 0)
> If this parameter is set to true, the mass_storage module will register
> with the UAS configuration as the devices first configuration and
> operate according to the UAS protocol.
As I understand it, drives typically have only one configuration and
one interface. They implement Bulk-Only Transport on altsetting 0 and
UAS on altsetting 1.
On the other hand, I don't think there's anything that says you _have_
to do it that way...
Alan Stern
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