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Message-Id: <20220823080106.649183844@linuxfoundation.org>
Date:   Tue, 23 Aug 2022 10:26:13 +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>,
        Palmer Dabbelt <palmer@...osinc.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 214/244] riscv: dts: sifive: Add fu540 topology information

From: Conor Dooley <conor.dooley@...rochip.com>

[ 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@...ia.fr>
Link: https://github.com/open-mpi/hwloc/issues/536
Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
Link: https://lore.kernel.org/r/20220705190435.1790466-3-mail@conchuod.ie
Signed-off-by: Palmer Dabbelt <palmer@...osinc.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 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 64c06c9b41dc..87d6e5a4253f 100644
--- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi
+++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi
@@ -133,6 +133,30 @@
 				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



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