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Date: Tue, 23 Aug 2022 10:26:15 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Brice Goglin <Brice.Goglin@...ia.fr>,
Conor Dooley <conor.dooley@...rochip.com>,
Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
Palmer Dabbelt <palmer@...osinc.com>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 216/244] riscv: dts: canaan: Add k210 topology information
From: Conor Dooley <conor.dooley@...rochip.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@...ia.fr>
Link: https://github.com/open-mpi/hwloc/issues/536
Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
Reviewed-by: Damien Le Moal <damien.lemoal@...nsource.wdc.com>
Link: https://lore.kernel.org/r/20220705190435.1790466-6-mail@conchuod.ie
Signed-off-by: Palmer Dabbelt <palmer@...osinc.com>
Signed-off-by: Sasha Levin <sashal@...nel.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 @@
compatible = "riscv,cpu-intc";
};
};
+
+ cpu-map {
+ cluster0 {
+ core0 {
+ cpu = <&cpu0>;
+ };
+
+ core1 {
+ cpu = <&cpu1>;
+ };
+ };
+ };
};
sram: memory@...00000 {
--
2.35.1
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