linux-kernel - Re: [PATCH] USB: core: Choose configuration with lowest bConfigurationValue

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Date:	Thu, 22 Jul 2010 10:22:37 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Michal Nazarewicz <m.nazarewicz@...sung.com>
cc:	linux-usb@...r.kernel.org,
	Adam Kropelin <akropel1@...hester.rr.com>,
	Xiaofan Chen <xiaofanc@...il.com>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] USB: core: Choose configuration with lowest bConfigurationValue

On Thu, 22 Jul 2010, Michal Nazarewicz wrote:

> This patch removes code from usb_choose_configuration()
> responsible for ignoring the first USB device configuration if
> its first interface is RNDIS.  Instead,
> usb_choose_configuration() chooses configuration with lowest
> bConfigurationValue.  Linux' Ethernet gadget uses a lower
> bConfigurationValue for the second configuration which is
> a CDC configuration so this code should choose configuration
> that suits Linux better.

I don't like this idea.  Choosing configs is a sensitive topic, since 
it is highly visible to users.  It should be changed minimally, if at 
all.

Alan Stern

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