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Date:   Wed, 10 May 2023 10:00:15 +0300
From:   Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To:     Michal Simek <michal.simek@amd.com>
Cc:     linux-kernel@vger.kernel.org, monstr@monstr.eu,
        michal.simek@xilinx.com, git@xilinx.com,
        Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>,
        Harini Katakam <harini.katakam@amd.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Parth Gajjar <parth.gajjar@amd.com>,
        Piyush Mehta <piyush.mehta@xilinx.com>,
        Rob Herring <robh+dt@kernel.org>,
        Robert Hancock <robert.hancock@calian.com>,
        Tanmay Shah <tanmay.shah@amd.com>,
        Vishal Sagar <vishal.sagar@amd.com>,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 07/23] arm64: zynqmp: Add pmu interrupt-affinity
Message-ID: <20230510070015.GF11711@pendragon.ideasonboard.com>
References: <cover.1683034376.git.michal.simek@amd.com>
 <4c6674bf7e048e7370248e50ed3d011d604d020e.1683034376.git.michal.simek@amd.com>
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Hi Michal,

Thank you for the patch.

On Tue, May 02, 2023 at 03:35:35PM +0200, Michal Simek wrote:
> From: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
> 
> Explicitly specify interrupt affinity to avoid HW perfevents
> need to guess. This avoids the following error upon linux boot:
> armv8-pmu pmu: hw perfevents: no interrupt-affinity property,
> guessing.

As mentioned for some of the previous patches, the commit message should
explain why this change improves the DT system description. The fact
that it gets rid of a warning message may be mentioned, but it shouldn't
be the main focus.

> Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
> Signed-off-by: Michal Simek <michal.simek@amd.com>
> ---
> 
>  arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> index 61c7045eb992..a117294dc890 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> @@ -161,6 +161,10 @@ pmu {
>  			     <0 144 4>,
>  			     <0 145 4>,
>  			     <0 146 4>;
> +		interrupt-affinity = <&cpu0>,
> +				     <&cpu1>,
> +				     <&cpu2>,
> +				     <&cpu3>;
>  	};
>  
>  	psci {

-- 
Regards,

Laurent Pinchart