linux-kernel - Re: [PATCH] spi: mediatek: Re-license MTK SPI driver as Dual MIT/GPL

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Date:   Wed, 3 Mar 2021 17:02:39 +0800
From:   Leilk Liu <leilk.liu@...iatek.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     Mark Brown <broonie@...nel.org>,
        Nicolas Boichat <drinkcat@...omium.org>,
        "luhua . xu" <luhua.xu@...iatek.com>,
        Wei Yongjun <weiyj.lk@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Stephen Boyd <swboyd@...omium.org>,
        Pi-Hsun Shih <pihsun@...omium.org>,
        Markus Elfring <elfring@...rs.sourceforge.net>,
        Javier Martinez Canillas <javier@....samsung.com>,
        Fengguang Wu <fengguang.wu@...el.com>,
        "Daniel Kurtz" <djkurtz@...omium.org>,
        Axel Lin <axel.lin@...ics.com>,
        Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-spi@...r.kernel.org>, <linux-mediatek@...ts.infradead.org>,
        <fparent@...libre.com>
Subject: Re: [PATCH] spi: mediatek: Re-license MTK SPI driver as Dual MIT/GPL

On Wed, 2021-03-03 at 08:18 +0100, Greg Kroah-Hartman wrote:
> On Wed, Mar 03, 2021 at 10:56:36AM +0800, Leilk Liu wrote:
> > From: "leilk.liu" <leilk.liu@...iatek.com>
> > 
> > It is wanted to use MTK spi bus driver with GPL-2.0 or MIT license.
> > But now it is only licensed as GPL-2.0, so re-license it as dual
> > MIT/GPL.
> > 
> > Signed-off-by: leilk.liu <leilk.liu@...iatek.com>
> 
> Please use your name here, not an email alias for where your name goes.
> 
OK, I'll fix it, thanks!
> 
> > ---
> >  drivers/spi/spi-mt65xx.c                 | 4 ++--
> >  include/linux/platform_data/spi-mt65xx.h | 2 +-
> 
> Given that these files have been licensed under the GPL only since 2015,
> all changes contributed to it have only been licensed under the GPL as
> well, so have you gotten approval for all of the contributors for this
> change?
> 
This is the reason that I sent this patch to ask for ACKs from all
contributors (who are all in the To mail-list) for these files.

> Can you please get your lawyer to also sign off on this license change
> patch, so that we know that you have their approval for this incase
> there are questions about it in the future?
> 
I need to use the code in other projects that is not with GPL-2.0.
Also, the license change is approved by Mediatek supervisor.

> thanks,
> 
> greg k-h