[PATCH kernel] powerpc/powernv/npu: Export symbols as GPL

[Christoph Hellwig]

On Wed, Jun 19, 2019 at 02:13:12PM +1000, Alexey Kardashevskiy wrote:
> The out-of-tree NVIDIA driver has been re-licensed recently to MIT/GPL
> so we can do the right thing and restrict the exported symbols to GPL
> only.

Which still does not matter until it actually is in mainline.  We don't
keep kernel infrastructure for purely out of tree drivers around.