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Message-ID: <3bffa949-e85c-4309-9e77-9aca44039dbf@linaro.org>
Date: Mon, 18 Mar 2024 10:57:32 +0100
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Subject: Re: [PATCH 1/3] arm64: dts: S32G3: Introduce device tree for
 S32G-VNP-RDB3
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To: Wadim Mueller <wafgo01@gmail.com>,
 Ghennadi Procopciuc <ghennadi.procopciuc@oss.nxp.com>
Cc: "David S. Miller" <davem@davemloft.net>,
 Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>,
 Paolo Abeni <pabeni@redhat.com>, Rob Herring <robh+dt@kernel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
 Conor Dooley <conor+dt@kernel.org>, Shawn Guo <shawnguo@kernel.org>,
 Sascha Hauer <s.hauer@pengutronix.de>,
 Pengutronix Kernel Team <kernel@pengutronix.de>,
 Fabio Estevam <festevam@gmail.com>, NXP Linux Team <linux-imx@nxp.com>,
 Chester Lin <chester62515@gmail.com>, =?UTF-8?Q?Andreas_F=C3=A4rber?=
 <afaerber@suse.de>, Matthias Brugger <mbrugger@suse.com>,
 NXP S32 Linux Team <s32@nxp.com>,
 Alexandre Torgue <alexandre.torgue@foss.st.com>,
 Jose Abreu <joabreu@synopsys.com>,
 Maxime Coquelin <mcoquelin.stm32@gmail.com>,
 Michael Turquette <mturquette@baylibre.com>, Stephen Boyd
 <sboyd@kernel.org>, Richard Cochran <richardcochran@gmail.com>,
 Simon Horman <horms@kernel.org>, Andrew Halaney <ahalaney@redhat.com>,
 Bartosz Golaszewski <bartosz.golaszewski@linaro.org>,
 Johannes Zink <j.zink@pengutronix.de>, Shenwei Wang <shenwei.wang@nxp.com>,
 "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>,
 Swee Leong Ching <leong.ching.swee@intel.com>,
 Giuseppe Cavallaro <peppe.cavallaro@st.com>, netdev@vger.kernel.org,
 devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
 linux-arm-kernel@lists.infradead.org,
 linux-stm32@st-md-mailman.stormreply.com, linux-clk@vger.kernel.org
References: <20240315222754.22366-1-wafgo01@gmail.com>
 <20240315222754.22366-2-wafgo01@gmail.com>
 <4e168fbc-8a13-4666-ab80-e3032f61ef38@oss.nxp.com>
 <20240318093418.GA20810@bhlegrsu.conti.de>
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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In-Reply-To: <20240318093418.GA20810@bhlegrsu.conti.de>
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On 18/03/2024 10:34, Wadim Mueller wrote:
> On Mon, Mar 18, 2024 at 09:32:24AM +0200, Ghennadi Procopciuc wrote:
>> On 3/16/24 00:27, Wadim Mueller wrote:
>>> This commit adds device tree support for the NXP S32G3-based
>>> S32G-VNP-RDB3 Board (Vehicle Networking Platform - Reference Design Board) [1].
>>>
>>> The S32G3 features an 8-core ARM Cortex-A53 based SoC developed by NXP.
>>>
>>> The device tree files are derived from the official NXP downstream Linux tree [2].
>>>
>>> This addition encompasses a limited selection of peripherals that are upstream-supported. Apart from the ARM System Modules (GIC, Generic Timer, etc.), the following IPs have been validated:
>>>
>>>     UART: fsl-linflexuart
>>>     SDHC: fsl-imx-esdhc
>>>     Ethernet: synopsys gmac/stmac
>>>
>>> Clock settings for the chip rely on ATF Firmware [3]. Pin control integration into the device tree is pending and currently relies on Firmware/U-Boot settings [4].
>>>
>>> These changes were validated using the latest BSP39 Firmware/U-Boot from NXP [5].
>>>
>>> The modifications enable booting the official Ubuntu 22.04 from NXP on
>>> the RDB3 with default settings from the SD card and eMMC.
>>>
>>> [1] https://www.nxp.com/design/design-center/designs/s32g3-vehicle-networking-reference-design:S32G-VNP-RDB3
>>> [2] https://github.com/nxp-auto-linux/linux
>>> [3] https://github.com/nxp-auto-linux/arm-trusted-firmware
>>> [4] https://github.com/nxp-auto-linux/u-boot
>>> [5] https://github.com/nxp-auto-linux/auto_yocto_bsp
>>>
>>> Signed-off-by: Wadim Mueller <wafgo01@gmail.com>
>>
>> This patch seems to be heavily based on the downstream version of the
>> kernel. Many of the changes originate from NXP. Therefore, shouldn't the
>> authors also be mentioned here?
>>
> 
> Yes, it definitely is, I also mentionaed it in the commit message. As
> Krzyszof mentioned, would you expect me to "git blame" the file and put
> all contributors into the commment part? Or would it be enough to put a
> Copyright of NXP as here [1]?
> 
> 
> [1] https://github.com/nxp-auto-linux/linux/blob/cdac0506874b7e6a277f12e72e3900d2a410d909/arch/arm64/boot/dts/freescale/s32g3.dtsi#L3

This has copyright from 2021, so 3 years is enough for NXP to prove they
care and upstream it. If they don't do it within 3 years, it is proof
NXP does not care enough, so I don't think you need to provide any
authorship remarks. Especially that many emails might be incorrect. Your
Cc-list here already creates 4 bounces..

But keep the copyright if you indeed based on that file.

Best regards,
Krzysztof