linux-kernel - Re: [PATCH v2] arm/arm64: dts: Drop "arm,armv8-pmuv3" compatible usage

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Message-Id: <D0O2M756FW2M.2XMFVYGKJ1O7W@gmail.com>
Date: Fri, 19 Apr 2024 13:42:50 +0200
From: "Thierry Reding" <thierry.reding@...il.com>
To: "Rob Herring (Arm)" <robh@...nel.org>, <soc@...nel.org>, "Krzysztof
 Kozlowski" <krzysztof.kozlowski+dt@...aro.org>, "Conor Dooley"
 <conor+dt@...nel.org>, "Florian Fainelli" <florian.fainelli@...adcom.com>,
 "Broadcom internal kernel review list"
 <bcm-kernel-feedback-list@...adcom.com>, "Dinh Nguyen"
 <dinguyen@...nel.org>, "Tsahee Zidenberg" <tsahee@...apurnalabs.com>,
 "Antoine Tenart" <atenart@...nel.org>, "Khuong Dinh"
 <khuong@...amperecomputing.com>, "Liviu Dudau" <liviu.dudau@....com>,
 "Sudeep Holla" <sudeep.holla@....com>, "Lorenzo Pieralisi"
 <lpieralisi@...nel.org>, "Ray Jui" <rjui@...adcom.com>, "Scott Branden"
 <sbranden@...adcom.com>, "Robert Richter" <rric@...nel.org>, "Shawn Guo"
 <shawnguo@...nel.org>, "Li Yang" <leoyang.li@....com>, "Sascha Hauer"
 <s.hauer@...gutronix.de>, "Pengutronix Kernel Team"
 <kernel@...gutronix.de>, "Fabio Estevam" <festevam@...il.com>, "Paul J.
 Murphy" <paul.j.murphy@...el.com>, "Daniele Alessandrelli"
 <daniele.alessandrelli@...el.com>, "Andrew Lunn" <andrew@...n.ch>, "Gregory
 Clement" <gregory.clement@...tlin.com>, "Sebastian Hesselbarth"
 <sebastian.hesselbarth@...il.com>, "Matthias Brugger"
 <matthias.bgg@...il.com>, "AngeloGioacchino Del Regno"
 <angelogioacchino.delregno@...labora.com>, "Jonathan Hunter"
 <jonathanh@...dia.com>, "Bjorn Andersson" <andersson@...nel.org>, "Konrad
 Dybcio" <konrad.dybcio@...aro.org>, Andreas Färber
 <afaerber@...e.de>, "Heiko Stuebner" <heiko@...ech.de>, "Orson Zhai"
 <orsonzhai@...il.com>, "Baolin Wang" <baolin.wang@...ux.alibaba.com>,
 "Chunyan Zhang" <zhang.lyra@...il.com>, "Jisheng Zhang"
 <jszhang@...nel.org>, "Alim Akhtar" <alim.akhtar@...sung.com>,
 <linux-fsd@...la.com>, "Michal Simek" <michal.simek@....com>
Cc: <devicetree@...r.kernel.org>, <linux-rpi-kernel@...ts.infradead.org>,
 <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
 <imx@...ts.linux.dev>, <linux-mediatek@...ts.infradead.org>,
 <linux-tegra@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
 <linux-realtek-soc@...ts.infradead.org>,
 <linux-rockchip@...ts.infradead.org>, <linux-samsung-soc@...r.kernel.org>
Subject: Re: [PATCH v2] arm/arm64: dts: Drop "arm,armv8-pmuv3" compatible
 usage

On Wed Apr 17, 2024 at 10:38 PM CEST, Rob Herring (Arm) wrote:
> The "arm,armv8-pmuv3" compatible is intended only for s/w models. Primarily,
> it doesn't provide any detail on uarch specific events.
>
> There's still remaining cases for CPUs without any corresponding PMU
> definition and for big.LITTLE systems which only have a single PMU node
> (there should be one per core type).
>
> Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> Acked-by: Sudeep Holla <sudeep.holla@....com>
> Acked-by: Dinh Nguyen <dinguyen@...nel.org>
> Acked-by: Heiko Stuebner <heiko@...ech.de>
> Reviewed-by: Jisheng Zhang <jszhang@...nel.org>
> Acked-by: Bjorn Andersson <andersson@...nel.org>
> Acked-by: Florian Fainelli <florian.fainelli@...adcom.com>
> Acked-by: Alim Akhtar <alim.akhtar@...sung.com>
> ---
> SoC Maintainers, Can you please apply this directly.
>
> v2:
>  - Drop QCom sdm630 change
> ---
>  arch/arm/boot/dts/broadcom/bcm2711.dtsi              | 4 ++--
>  arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi    | 2 +-
>  arch/arm64/boot/dts/amazon/alpine-v2.dtsi            | 2 +-
>  arch/arm64/boot/dts/apm/apm-storm.dtsi               | 2 +-
>  arch/arm64/boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts | 2 +-
>  arch/arm64/boot/dts/broadcom/northstar2/ns2.dtsi     | 2 +-
>  arch/arm64/boot/dts/broadcom/stingray/stingray.dtsi  | 2 +-
>  arch/arm64/boot/dts/cavium/thunder-88xx.dtsi         | 2 +-
>  arch/arm64/boot/dts/cavium/thunder2-99xx.dtsi        | 2 +-
>  arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi       | 2 +-
>  arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi       | 2 +-
>  arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi       | 7 +++++++
>  arch/arm64/boot/dts/freescale/fsl-ls2088a.dtsi       | 7 +++++++
>  arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi       | 5 -----
>  arch/arm64/boot/dts/freescale/imx8dxl.dtsi           | 2 +-
>  arch/arm64/boot/dts/intel/keembay-soc.dtsi           | 2 +-
>  arch/arm64/boot/dts/intel/socfpga_agilex.dtsi        | 2 +-
>  arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi        | 2 +-
>  arch/arm64/boot/dts/marvell/armada-37xx.dtsi         | 2 +-
>  arch/arm64/boot/dts/mediatek/mt8516.dtsi             | 2 +-
>  arch/arm64/boot/dts/nvidia/tegra210.dtsi             | 2 +-
>  arch/arm64/boot/dts/qcom/qcm2290.dtsi                | 2 +-
>  arch/arm64/boot/dts/qcom/qdu1000.dtsi                | 2 +-
>  arch/arm64/boot/dts/qcom/sdx75.dtsi                  | 2 +-
>  arch/arm64/boot/dts/realtek/rtd16xx.dtsi             | 2 +-
>  arch/arm64/boot/dts/rockchip/rk3368.dtsi             | 2 +-
>  arch/arm64/boot/dts/sprd/sc9860.dtsi                 | 2 +-
>  arch/arm64/boot/dts/sprd/sc9863a.dtsi                | 2 +-
>  arch/arm64/boot/dts/synaptics/berlin4ct.dtsi         | 2 +-
>  arch/arm64/boot/dts/tesla/fsd.dtsi                   | 2 +-
>  arch/arm64/boot/dts/xilinx/zynqmp.dtsi               | 2 +-
>  31 files changed, 43 insertions(+), 34 deletions(-)

Acked-by: Thierry Reding <treding@...dia.com>

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