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

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Message-ID: <7d412e48-a58b-479d-9333-066359d52432@gmail.com>
Date: Tue, 30 Apr 2024 14:49:08 -0700
From: Florian Fainelli <f.fainelli@...il.com>
To: "Rob Herring (Arm)" <robh@...nel.org>, 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>, Heiko Stuebner <heiko@...ech.de>,
 Orson Zhai <orsonzhai@...il.com>, Baolin Wang
 <baolin.wang@...ux.alibaba.com>, Chunyan Zhang <zhang.lyra@...il.com>
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

On 4/30/24 12:18, Rob Herring (Arm) wrote:
> '/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>
> ---
> SoC maintainers, please take this directly.
> 
> arm32 is much worse, but the platforms using ATAG to DT code can't be
> changed and I don't know which ones those are.
> 
>   arch/arm64/boot/dts/actions/s700-cubieboard7.dts       | 2 +-
>   arch/arm64/boot/dts/apm/apm-merlin.dts                 | 2 +-
>   arch/arm64/boot/dts/apm/apm-mustang.dts                | 2 +-
>   arch/arm64/boot/dts/broadcom/northstar2/ns2-svk.dts    | 2 +-
>   arch/arm64/boot/dts/broadcom/northstar2/ns2-xmc.dts    | 2 +-

For the above two:

Reviewed-by: Florian Fainelli <florian.fainelli@...adcom.com>
-- 
Florian