linux-kernel - Re: [PATCH v2 00/11] of: Add wrappers to match root node with OF device ID tables

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Message-ID: <kqtjfqkzz3lfnpg7lo5m4dctowsxqxtlcdtktoatpze3hr3tue@ku6p25skb666>
Date: Fri, 14 Nov 2025 14:24:41 +0100
From: Thierry Reding <thierry.reding@...il.com>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, 
	Rob Herring <robh@...nel.org>, Saravana Kannan <saravanak@...gle.com>, 
	"Rafael J. Wysocki" <rafael@...nel.org>, Viresh Kumar <viresh.kumar@...aro.org>, 
	Matthias Brugger <matthias.bgg@...il.com>, Yangtao Li <tiny.windzz@...il.com>, 
	Chen-Yu Tsai <wens@...nel.org>, Jernej Skrabec <jernej.skrabec@...il.com>, 
	Samuel Holland <samuel@...lland.org>, Lorenzo Pieralisi <lpieralisi@...nel.org>, 
	Daniel Lezcano <daniel.lezcano@...aro.org>, Bjorn Andersson <andersson@...nel.org>, 
	Konrad Dybcio <konradybcio@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, 
	Nicolas Ferre <nicolas.ferre@...rochip.com>, Alexandre Belloni <alexandre.belloni@...tlin.com>, 
	Claudiu Beznea <claudiu.beznea@...on.dev>, Maximilian Luz <luzmaximilian@...il.com>, 
	Hans de Goede <hansg@...nel.org>, Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>, 
	Daniel Lezcano <daniel.lezcano@...nel.org>, Jonathan Hunter <jonathanh@...dia.com>, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org, linux-sunxi@...ts.linux.dev, 
	linux-arm-msm@...r.kernel.org, platform-driver-x86@...r.kernel.org, linux-tegra@...r.kernel.org, 
	Konrad Dybcio <konrad.dybcio@....qualcomm.com>, Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Subject: Re: [PATCH v2 00/11] of: Add wrappers to match root node with OF
 device ID tables

On Wed, Nov 12, 2025 at 12:52:48PM +0100, AngeloGioacchino Del Regno wrote:
> Il 12/11/25 11:28, Krzysztof Kozlowski ha scritto:
> > Changes in v2:
> 
> Note:
> 
> Looks ok based on code and based on testing on the following platforms:
>  - tegra: Jetson Xavier NX Development Kit

Thanks for testing, but Xavier NX doesn't run any of the code changed by
this patch. soc_is_tegra() is a legacy function that we need for DT
backwards-compatibility and should only run on 32-bit ARM devices.

Technically there's one case in drivers/soc/tegra/flowctrl.c that runs
this on Tegra210, but it should probably undergo the same treatment as
the PMC and FUSE drivers. The code that needs this is only used for CPU
power management on 32-bit ARM devices.

Thierry

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