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

Laurent Pinchart
2023-05-10T07:00:53Z

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