From: Conor Dooley conor.dooley@microchip.com
[ Upstream commit d9d193dea8666bbf69fc21c5bdcdabaa34a466e3 ]
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@inria.fr Link: https://github.com/open-mpi/hwloc/issues/536 Signed-off-by: Conor Dooley conor.dooley@microchip.com Reviewed-by: Damien Le Moal damien.lemoal@opensource.wdc.com Link: https://lore.kernel.org/r/20220705190435.1790466-6-mail@conchuod.ie Signed-off-by: Palmer Dabbelt palmer@rivosinc.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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 780416d489aa..fa9162e3afa3 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 {