netdev - Re: [PATCH] net: cdc_ether: allow combined control and data interface

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Message-ID: <1419214.UqpcbE98T1@linux-5eaq.site>
Date:	Fri, 28 Jun 2013 17:32:25 +0200
From:	Oliver Neukum <oliver@...kum.org>
To:	Bjørn Mork <bjorn@...k.no>
Cc:	netdev@...r.kernel.org, linux-usb@...r.kernel.org,
	Enrico Mioso <mrkiko.rs@...il.com>
Subject: Re: [PATCH] net: cdc_ether: allow combined control and data interface

On Friday 28 June 2013 17:17:08 Bjørn Mork wrote:
> Some Icera based Huawei modems handled by this driver are not
> completely CDC ECM compliant, using the same USB interface for both
> control and data. The CDC functional descriptors include a Union
> naming this interface as both master and slave, so it is supportable
> by relaxing the descriptor parsing in case these interfaces are
> identical.

The disconnect handler is uselessly complex. Just return if the
interfaces are identical. There's nothing to do in that case.

	Regards
		Oliver

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