[PATCH 2/5] arm64: dts: ls1088a: add missing PMU node

[Shawn Guo]

On Thu, Jul 22, 2021 at 04:24:47AM +0000, Mathew McBride wrote:
> The Performance Manager Unit was not described in the DTS
> which meant performance event monitoring was not possible.
> 
> This was exposed by a change to the PMU handling in KVM
> in 5.11-rc3 which now prevents a PMU being exposed to a
> guest when the host does not provide one:
> "KVM: arm64: Don't access PMCR_EL0 when no PMU is available"
> 
> Signed-off-by: Mathew McBride <matt at traverse.com.au>
> ---
>  arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> index 79ceadc9dc4a..752c7f41e6b1 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> @@ -189,6 +189,11 @@ timer {
>  			     <1 10 IRQ_TYPE_LEVEL_LOW>;/* Hypervisor PPI */
>  	};
>  
> +	pmu {
> +		compatible = "arm,armv8-pmuv3";
> +		interrupts = <1 7 0x8>; /* PMU PPI, Level low type */

Use define GIC_PPI and IRQ_TYPE_LEVEL_LOW, so that you can drop the
comment.

Shawn

> +	};
> +
>  	psci {
>  		compatible = "arm,psci-0.2";
>  		method = "smc";
> -- 
> 2.30.1
>