linux-kernel - Re: [PATCH] usbnet/cdc_ncm: add missing .reset

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Message-ID: <4DE60E7E.3080300@samba.org>
Date:	Wed, 01 Jun 2011 12:03:42 +0200
From:	"Stefan (metze) Metzmacher" <metze@...ba.org>
To:	Oliver Neukum <oneukum@...e.de>
CC:	Oliver Neukum <oliver@...kum.name>,
	Greg Kroah-Hartman <gregkh@...e.de>, linux-usb@...r.kernel.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usbnet/cdc_ncm: add missing .reset_resume hook

Am 01.06.2011 11:43, schrieb Oliver Neukum:
> Am Mittwoch, 1. Juni 2011, 11:13:50 schrieb Stefan Metzmacher:
>> This avoids messages like this after suspend:
>>
>>    cdc_ncm 2-1.4:1.6: no reset_resume for driver cdc_ncm?
>>    cdc_ncm 2-1.4:1.7: no reset_resume for driver cdc_ncm?
>>    cdc_ncm 2-1.4:1.6: usb0: unregister 'cdc_ncm' usb-0000:00:1d.0-1.4, CDC NCM
>>
>> This is important for the Ericsson F5521gw GSM/UMTS modem.
>> Otherwise modemmanager looses the fact that the cdc_ncm and cdc_acm devices
>> belong together.
>>
>> The cdc_ether module does the same.
> 
> Yes, it does. Have you tested this with active connections and unconnected?

Yes, I've just tested suspend while having an active connection
(My original tests where without an active connection).

BTW: I'm testing this on top of linux-image-2.6.38-8-generic from ubuntu
11.04.

metze


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