Message-ID: <3F5680AF.8030405@pacbell.net>
Date: Wed, 03 Sep 2003 17:00:47 -0700
From: David Brownell <david-b@pacbell.net>
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To: Pavel Machek <pavel@ucw.cz>
CC: kernel list <linux-kernel@vger.kernel.org>,
       Linux usb mailing list 
	<linux-usb-devel@lists.sourceforge.net>
Subject: Re: [linux-usb-devel] USB modem no longer detected in -test4
References: <20030903191701.GA2798@elf.ucw.cz>
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Pavel Machek wrote:
> Hi!
> 
> In 2.6.0-test4, USB ELSA modem no longer works. This is UHCI (on
> toshiba 4030cdt).
> 
> Relevant messages seem to be:
> 
> PM: Adding info for usb:1-1.2
> drivers/usb/class/cdc-acm.c: need inactive config#2
> PM: Adding info for usb:1-1.2:0
> drivers/usb/class/cdc-acm.c: need inactive config#2


Try the usb_set_configuration() patch I just posted this morning
(to linux-usb-devel).

Apply it, and you'll still get these messages ... but then you'll
be able to

    # echo 2 > /sys/bus/usb/devices/1-1.2/bConfigurationValue

and then it should work as before.  Granted that works as I expect,
I'll submit a cdc-acm patch later to get rid of the need for the
manual workaround.  And meanwhile, a hotplug script could automate
this for you, in /etc/hotplug/usb/cdc-acm ...

- Dave


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