linux-kernel - Re: MODULE_LICENSE(): "GPL" vs. "GPL v2" (Was: [PATCH 1/2] Input: add support for Semtech SX8654 I2C touchscreen controller)

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Date:	Thu, 12 Mar 2015 11:11:08 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Paul Bolle <pebolle@...cali.nl>,
	Dave Jones <davej@...emonkey.org.uk>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Sébastien Szymanski 
	<sebastien.szymanski@...adeus.com>, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	devicetree@...r.kernel.org, Kumar Gala <galak@...eaurora.org>
Subject: Re: MODULE_LICENSE(): "GPL"  vs. "GPL v2" (Was: [PATCH 1/2] Input: add support for Semtech SX8654 I2C touchscreen controller)

Paul Bolle <pebolle@...cali.nl> writes:
> [Added Rusty and Dave.]
>
> On Sat, 2015-03-07 at 20:51 -0800, Dmitry Torokhov wrote:
>> On Sat, Mar 07, 2015 at 11:38:55PM +0100, Paul Bolle wrote:
>> > From a technological standpoint it would be easy to declare "GPL" (or
>> > any other string) to mean "GPL v2 compatible", which is, I think, all
>> > that matters. But license_is_gpl_compatible() doesn't do that. And I
>> > fear that's for a reason. Is my fear unfounded?
>> 
>> Well we might ask Rusty on the off chance that he remembers but my guess
>> would be that he added "GPL v2" in addition to "GPL" and other license
>> stings because at the time there was one driver,
>> drivers/net/tulip/xircom_tulip_cb.c, that used MODULE_LICENSE("GPL v2").

Yes, people screw this up.  But that's mainly because they don't care
either :)

Cheers,
Rusty.
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