Re: [linux-usb-devel] USB modem no longer detected in -test4

[David Brownell]

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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