From 1f174fa4eac0fc9e40f84574e2d2f4156887b27d Mon Sep 17 00:00:00 2001
From: Junchao-Mellanox <57339448+Junchao-Mellanox@users.noreply.github.com>
Date: Sun, 12 Sep 2021 15:43:32 +0800
Subject: [PATCH] [Mellanox] Read PSU fan max/min speed per PSU (#4144)

Align with PR Azure/sonic-buildimage#8563

- How did you do it?
Read PSU fan max/min speed per PSU

- How did you verify/test it?
Manually run test case test_platform_info::test_show_platform_fanstatus_mocked

- Any platform specific information?
Mellanox
---
 .../mellanox/mellanox_thermal_control_test_helper.py       | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/tests/platform_tests/mellanox/mellanox_thermal_control_test_helper.py b/tests/platform_tests/mellanox/mellanox_thermal_control_test_helper.py
index b08b203ff94..b6f4a3401bd 100644
--- a/tests/platform_tests/mellanox/mellanox_thermal_control_test_helper.py
+++ b/tests/platform_tests/mellanox/mellanox_thermal_control_test_helper.py
@@ -88,7 +88,7 @@
         "name": "psu{}_fan1",
         "speed": "psu{}_fan1_speed_get",
         "power_status": "psu{}_pwr_status",
-        "max_speed": "psu_fan_max",
+        "max_speed": "psu{}_fan_max",
     }
 }
 
@@ -551,10 +551,7 @@ def get_max_speed(self):
         :return: Max speed of this FAN or -1 if max speed is not available.
         """
         if self.max_speed_file:
-            if 'psu' not in self.max_speed_file:
-                max_speed = self.helper.read_thermal_value(self.max_speed_file)
-            else:
-                max_speed = self.helper.read_value(os.path.join('/run/hw-management/config', self.max_speed_file))
+            max_speed = self.helper.read_thermal_value(self.max_speed_file)
             return int(max_speed)
         else:
             return -1