From 9536ef2dfef8efed408f9bb3ad49bee9a9e7389a Mon Sep 17 00:00:00 2001
From: Anna Komarova <anna@nexthop.ai>
Date: Thu, 20 Aug 2026 09:20:51 -0700
Subject: [PATCH] [Nexthop][m4062nhp] Use stable paths for DIMM temp sensors

The DDR5 SPD hubs are auto-instantiated by the kernel and the i2c paths may change
 depending on the module load order. Resolve the DIMM temp sensor to a stable path provided by the BSP.

Signed-off-by: Anna Komarova <anna@nexthop.ai>
---
 fboss/platform/configs/m4062nhp/platform_manager.json | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fboss/platform/configs/m4062nhp/platform_manager.json b/fboss/platform/configs/m4062nhp/platform_manager.json
index b906bddf67f4d..873627c86efe9 100644
--- a/fboss/platform/configs/m4062nhp/platform_manager.json
+++ b/fboss/platform/configs/m4062nhp/platform_manager.json
@@ -69,11 +69,11 @@
       "embeddedSensorConfigs": [
         {
           "pmUnitScopedName": "DIMM1_TEMP",
-          "sysfsPath": "/sys/bus/i2c/devices/1-0050"
+          "sysfsPath": "/run/nexthop_bsp/sensors/DIMM1_TEMP"
         },
         {
           "pmUnitScopedName": "DIMM2_TEMP",
-          "sysfsPath": "/sys/bus/i2c/devices/1-0051"
+          "sysfsPath": "/run/nexthop_bsp/sensors/DIMM2_TEMP"
         }
       ],
       "outgoingSlotConfigs": {