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Subject2.6.16 serious consequences / GPL_EXPORT_SYMBOL / USB drivers of major vendor excluded
on January 15th / major change in USB subsystem and GPL_EXPORT_SYMBOL
Greg Kroah-Hartman added a Patch to kernel 2.6.15-git12, which
substantially changed the USB system.
The module "usb.c" is now a module named "driver.c" which exports its
symbols with EXPORT_SYMBOL_GPL:
-> usb_match_id; usb_register_driver; usb_deregister
Novell added the official kernel 2.6.16 incl. this patch to OSS 10.1 beta.

Because of the GPL_EXPORT declaration it is no longer possible to build and
run non-GPL loadable drivers for USB devices. We´ve put a lot of energy
into providing the open source community with Linux drivers for nearly all
of our products within the last six years. Today, the customer has the
option to choose Windows or Linux drivers for AVM USB products. AVM is the
market leader in the ISDN controller market with more than 80% market share
in Germany (close to 50% in Europe). Moreover AVM is one of a handful
manufacturers who provide a Linux driver for their WLAN USB devices.
Technically, there are a number of reasons, e.g. service quality and
reliability, to establish kernel mode drivers for communication devices
offering services like Fax G3, analog modem etc. by means of software.

If it is no longer possible to have non-GPL USB drivers, we shall have to
drop our Linux support for all AVM USB devices. We would even have to
discontinue the 802.11g++ WLAN USB device driver Linux developement.

This mail is not intended to provoke a discussion of open vs closed source.
The only intention of this mail is to make you aware of the consequences of
such a decision.

Kind Regards
Sven Schmidt

AVM Audiovisuelles Marketing und Computersysteme GmbH
Alt-Moabit 95, 10559 Berlin, Germany

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