From: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> [ Upstream commit af8f260abc608c06e4466a282b53f1e2dc09f042 ] The fu540 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> Link: https://lore.kernel.org/r/20220705190435.1790466-3-mail@xxxxxxxxxxx Signed-off-by: Palmer Dabbelt <palmer@xxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi index e3172d0ffac4..24bba83bec77 100644 --- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi +++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi @@ -133,6 +133,30 @@ cpu4_intc: interrupt-controller { interrupt-controller; }; }; + + cpu-map { + cluster0 { + core0 { + cpu = <&cpu0>; + }; + + core1 { + cpu = <&cpu1>; + }; + + core2 { + cpu = <&cpu2>; + }; + + core3 { + cpu = <&cpu3>; + }; + + core4 { + cpu = <&cpu4>; + }; + }; + }; }; soc { #address-cells = <2>; -- 2.35.1
