fix hw_reset low polarity (reverse values)

dbarashinvd · Dec 26, 2023 · 6e02273 · 6e02273
1 parent 80f2f6b
commit 6e02273
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/platform/mellanox/mlnx-platform-api/sonic_platform/modules_mgmt.py b/platform/mellanox/mlnx-platform-api/sonic_platform/modules_mgmt.py
@@ -450,8 +450,9 @@ def power_on_module(self, port, module_sm_obj, dynamic=False):
                     utils.write_file(module_fd_indep_path_po, "1")
                 if os.path.isfile(module_fd_indep_path_r):
                     logger.log_info("powerOnModule resetting via {} for port {}".format(module_fd_indep_path_r, port))
-                    # echo 0 > /sys/module/sx_core/$asic/$module/hw_reset
-                    utils.write_file(module_fd_indep_path_r, "0")
+                    # de-assert hw_reset - low polarity. 1 for de-assert 0 for assert
+                    # echo 1 > /sys/module/sx_core/$asic/$module/hw_reset
+                    utils.write_file(module_fd_indep_path_r, "1")
                 self.add_port_to_wait_reset(module_sm_obj)
             except Exception as e:
                 logger.log_info("exception in powerOnModule {} for port {}".format(e, port))