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Wed, 03 Mar 2021 09:12:54 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8877464ECE; Wed, 3 Mar 2021 09:12:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614762769; bh=LcFEAIV39oP6qhAFHARHbGR+Nvr/RN2ia8mLaBzIos0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=z7bLFFz9oOMQtk+cVU94y2on5R6Q6uDedD0ceE8/iNe/x8BenPPZ4SJCxbiraQLWI bAC3OiRYGRfht03bQg+Fe5L3uDsNHbKAUlo3sOZxjur8xt4ppSFR4rK+YBup7Za6zU oVGBTXdLWnIyxSZs/+9zmrv5s9qf882+rPRnZsGA= Date: Wed, 3 Mar 2021 10:12:46 +0100 From: Greg Kroah-Hartman To: Leilk Liu Cc: Mark Brown , Nicolas Boichat , "luhua . xu" , Wei Yongjun , Thomas Gleixner , Stephen Boyd , Pi-Hsun Shih , Markus Elfring , Javier Martinez Canillas , Fengguang Wu , Daniel Kurtz , Axel Lin , Mark Rutland , Matthias Brugger , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, linux-mediatek@lists.infradead.org, fparent@baylibre.com Subject: Re: [PATCH] spi: mediatek: Re-license MTK SPI driver as Dual MIT/GPL Message-ID: References: <20210303025636.795-1-leilk.liu@mediatek.com> <1614762159.5898.9.camel@mhfsdcap03> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1614762159.5898.9.camel@mhfsdcap03> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210303_091254_441879_93AD170A X-CRM114-Status: GOOD ( 24.92 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Mar 03, 2021 at 05:02:39PM +0800, Leilk Liu wrote: > 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" > > > > > > 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 > > > > 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. That wasn't obvious :) But given that many of the contributors here do not actually own the copyrights of their contributions, how can you be sure that the real owners are agreeing to this? That requires something much more "legal" than just an "ack" on a patch. Please work with your corporate lawyers for how to do this correctly. > > 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. What project needs this code that you can not just base it off of your original contribution instead? That would not require any license change of the kernel files, right? Wouldn't that be easier than trying to retain this license change over time as you will not be taking the changes here into another project as well. > Also, the license change is approved by Mediatek supervisor. Great, get them to also sign-off on the patch please, along with your lawyers, so that we know all is done correctly. thanks, greg k-h _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel