Re: [PATCH] usb-serial: add support for USB Wishbone-serial adapters

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On Thu, 2013-04-11 at 06:45 -0700, Greg KH wrote:
> I only have one very minor question about the code:
> 
> > +++ b/drivers/usb/serial/wishbone-serial.c
> > @@ -0,0 +1,95 @@
> > +/*
> > + * USB Wishbone-Serial adapter driver
> > + *
> > + * Copyright (C) 2013 Wesley W. Terpstra <w.terpstra@xxxxxx>
> > + * Copyright (C) 2013 GSI Helmholtz Centre for Heavy Ion Research GmbH
> > + *
> > + * This program is free software; you can redistribute it and/or
> > + * modify it under the terms of the GNU General Public License
> > + * as published by the Free Software Foundation; either version 2
> > + * of the License, or (at your option) any later version.
> > + */
> 
> Do you really mean "or any later version" for the license of this
> driver?  I ask as the kernel itself is GPLv2-only.  It's fine if you
> want this to be GPLv2+, I just have to ask.

Yes, I know the kernel is v2. Which is a shame because the FSF made the
v3 licence which some people would prefer. If in the distant future, the
kernel were to slowly be relicenced as v2+ or v3, I don't want to
contribute to the migration problem.

A question for you in turn: why were usb_serial_[de]register removed?
The new usb_serial_deregister_drivers isn't available in older kernels.
So drivers cannot support (without ifdefs) both old and new kernels


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