Re: [patch 3/9] ARM: S3C24XX: Fix invalid SPDX identifier

[Christoph Hellwig]

On Mon, Apr 23, 2018 at 12:02:11AM +0200, Thomas Gleixner wrote:
> GPL-1.0 is not part of the valid identifier list and as its meaning is GPL
> version 1.0 only this would be incompatible with the kernel license.
> 
> As this code was included into the kernel, assume its GPL-1.0+
> 
> Fixes: 84b2170109e4 ("ARM: S3C24XX: Add SPDX license identifiers")

Before that commit the file just said GNU General Public License and
referred to the COPYING file.  Which to me suggests it is at best
GPL-2.0+ if not GPL-2.0.

Hopefully the original author can still be reached to clear this up.