Re: [PATCH 5/5] riscv: dts: canaan: Add k210 topology information

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On 7/6/22 04:04, Conor Dooley wrote:
> From: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> 
> The k210 has no cpu-map node, so tools like hwloc cannot correctly
> parse the topology. Add the node using the existing node labels.
> 
> Reported-by: Brice Goglin <Brice.Goglin@xxxxxxxx>
> Link: https://github.com/open-mpi/hwloc/issues/536
> Signed-off-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>

Looks good to me.

Reviewed-by: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>

> ---
>  arch/riscv/boot/dts/canaan/k210.dtsi | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/arch/riscv/boot/dts/canaan/k210.dtsi b/arch/riscv/boot/dts/canaan/k210.dtsi
> index 44d338514761..ec944d1537dc 100644
> --- a/arch/riscv/boot/dts/canaan/k210.dtsi
> +++ b/arch/riscv/boot/dts/canaan/k210.dtsi
> @@ -65,6 +65,18 @@ cpu1_intc: interrupt-controller {
>  				compatible = "riscv,cpu-intc";
>  			};
>  		};
> +
> +		cpu-map {
> +			cluster0 {
> +				core0 {
> +					cpu = <&cpu0>;
> +				};
> +
> +				core1 {
> +					cpu = <&cpu1>;
> +				};
> +			};
> +		};
>  	};
>  
>  	sram: memory@80000000 {


-- 
Damien Le Moal
Western Digital Research



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