From: Ido Schimmel <ido...@mellanox.com> This patchset from Vadim provides various hardware monitoring related improvements for mlxsw.
Patch #1 allows querying firmware version from the switch driver when the underlying bus is I2C. This is useful for baseboard management controller (BMC) systems that communicate with the ASIC over I2C. Patch #2 improves driver's performance over I2C by utilizing larger transactions sizes, if possible. Patch #3 re-orders driver's initialization sequence to enforce a specific firmware version before new firmware features are utilized. This is a prerequisite for patches #4-#6. Patches #4-#6 expose the temperature of inter-connect devices (gearboxes) that are present in Mellanox SN3800 systems and split 2x50Gb/s lanes to 4x25Gb/s lanes. Patches #7-#8 reduce the transaction size when reading SFP modules temperatures, which is crucial when working over I2C. Ido Schimmel (1): mlxsw: core: Re-order initialization sequence Vadim Pasternak (7): mlxsw: i2c: Extend initialization with querying firmware info mlxsw: i2c: Allow flexible setting of I2C transactions size mlxsw: reg: Extend sensor index field size of Management Temperature Register mlxsw: reg: Add Management General Peripheral Information Register mlxsw: core: Extend hwmon interface with inter-connect temperature attributes mlxsw: core: Extend the index size for temperature sensors readout mlxsw: core: Reduce buffer size in transactions for SFP modules temperature readout drivers/net/ethernet/mellanox/mlxsw/core.c | 21 +-- .../net/ethernet/mellanox/mlxsw/core_env.c | 27 +--- .../net/ethernet/mellanox/mlxsw/core_hwmon.c | 135 +++++++++++++----- .../ethernet/mellanox/mlxsw/core_thermal.c | 46 +++--- drivers/net/ethernet/mellanox/mlxsw/i2c.c | 76 +++++++--- drivers/net/ethernet/mellanox/mlxsw/minimal.c | 18 +++ drivers/net/ethernet/mellanox/mlxsw/reg.h | 62 +++++++- 7 files changed, 274 insertions(+), 111 deletions(-) -- 2.20.1