linux-kernel - Re: [PATCH] arm64: dts: Add/fix /memory node unit-addresses

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Message-ID: <2235630.taCxCBeP46@diego>
Date: Wed, 01 May 2024 12:31:38 +0200
From: Heiko Stübner <heiko@...ech.de>
To: soc@...nel.org, Andreas Färber <afaerber@...e.de>,
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>,
 Khuong Dinh <khuong@...amperecomputing.com>, Ray Jui <rjui@...adcom.com>,
 Scott Branden <sbranden@...adcom.com>,
 Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
 Robert Richter <rric@...nel.org>, Chanho Min <chanho.min@....com>,
 Avi Fishman <avifishman70@...il.com>, Tomer Maimon <tmaimon77@...il.com>,
 Tali Perry <tali.perry1@...il.com>, Patrick Venture <venture@...gle.com>,
 Nancy Yuen <yuenn@...gle.com>, Benjamin Fair <benjaminfair@...gle.com>,
 Thierry Reding <thierry.reding@...il.com>,
 Jonathan Hunter <jonathanh@...dia.com>,
 Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konrad.dybcio@...aro.org>, Orson Zhai <orsonzhai@...il.com>,
 Baolin Wang <baolin.wang@...ux.alibaba.com>,
 Chunyan Zhang <zhang.lyra@...il.com>, "Rob Herring (Arm)" <robh@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org, linux-actions@...ts.infradead.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 openbmc@...ts.ozlabs.org, linux-tegra@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH] arm64: dts: Add/fix /memory node unit-addresses

Am Dienstag, 30. April 2024, 21:18:54 CEST schrieb Rob Herring (Arm):
> '/memory' nodes always have a 'reg' property, and therefore should have
> a unit-address with just plain hex (i.e. no commas). Fix all the arm64
> '/memory' nodes.
> 
> It's possible that some bootloader depends on /memory (arm32 ATAG to DT
> code does for example). If so, the memory node should be commented with
> that requirement.
> 
> Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
> ---

>  arch/arm64/boot/dts/rockchip/rk3368-evb.dtsi           | 2 +-
>  arch/arm64/boot/dts/rockchip/rk3368-orion-r68-meta.dts | 2 +-
>  arch/arm64/boot/dts/rockchip/rk3368-r88.dts            | 2 +-

For the Rockchip boards
Reviewed-by: Heiko Stuebner <heiko@...ech.de>

Other rk3368-based boards like the Geekbox and PX5-evb already use
the correct memory@0 node names, so it looks like the the bootloaders
used on rk3368 don't have special requirements for the node-naming.