linux-kernel - Re: [PATCH 07/23] arm64: zynqmp: Add pmu interrupt-affinity

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Message-ID: <4e5fc3ff-5b70-20a9-101a-cba9d20fc961@monstr.eu>
Date:   Tue, 16 May 2023 13:05:37 +0200
From:   Michal Simek <monstr@...str.eu>
To:     Michal Simek <michal.simek@....com>, linux-kernel@...r.kernel.org,
        michal.simek@...inx.com, git@...inx.com
Cc:     Radhey Shyam Pandey <radhey.shyam.pandey@....com>,
        Harini Katakam <harini.katakam@....com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Parth Gajjar <parth.gajjar@....com>,
        Piyush Mehta <piyush.mehta@...inx.com>,
        Rob Herring <robh+dt@...nel.org>,
        Robert Hancock <robert.hancock@...ian.com>,
        Tanmay Shah <tanmay.shah@....com>,
        Vishal Sagar <vishal.sagar@....com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 07/23] arm64: zynqmp: Add pmu interrupt-affinity



On 5/2/23 15:35, Michal Simek wrote:
> From: Radhey Shyam Pandey <radhey.shyam.pandey@....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.
> 
> Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@....com>
> Signed-off-by: Michal Simek <michal.simek@....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 {

Applied.
M

-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP/Versal ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal/Versal NET SoCs
TF-A maintainer - Xilinx ZynqMP/Versal/Versal NET SoCs