netdev - [PATCH net 0/2] mlxsw: core: Thermal control fixes

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Date:   Fri,  8 Jan 2021 16:52:08 +0200
From:   Ido Schimmel <idosch@...sch.org>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, vadimp@...dia.com,
        jiri@...dia.com, mlxsw@...dia.com, Ido Schimmel <idosch@...dia.com>
Subject: [PATCH net 0/2] mlxsw: core: Thermal control fixes

From: Ido Schimmel <idosch@...dia.com>

This series includes two fixes for thermal control in mlxsw.

Patch #1 validates that the alarm temperature threshold read from a
transceiver is above the warning temperature threshold. If not, the
current thresholds are maintained. It was observed that some transceiver
might be unreliable and sometimes report a too low alarm temperature
threshold which would result in thermal shutdown of the system.

Patch #2 increases the temperature threshold above which thermal
shutdown is triggered for the ASIC thermal zone. It is currently too low
and might result in thermal shutdown under perfectly fine operational
conditions.

Please consider both patches for stable.

Vadim Pasternak (2):
  mlxsw: core: Add validation of transceiver temperature thresholds
  mlxsw: core: Increase critical threshold for ASIC thermal zone

 drivers/net/ethernet/mellanox/mlxsw/core_thermal.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

-- 
2.29.2