diff options
| author |   Ivan Vecera <cera@cera.cz> | 2016-11-22 11:24:13 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-11-22 10:04:19 -0500 |
| commit | a50c1e35650b929500bd89be61c89d95a267ce56 (patch) | |
| tree | 31ed2e98fb076db71e812bd915a731fa7643a39f /drivers/net/ethernet/mellanox/mlxsw/core.c | |
| parent | mlxsw: reg: Add Management Fan Speed Limit register (diff) | |
| download | linux-dev-a50c1e35650b929500bd89be61c89d95a267ce56.tar.xz linux-dev-a50c1e35650b929500bd89be61c89d95a267ce56.zip | |
mlxsw: core: Implement thermal zone
Implement thermal zone for mlxsw based HW. It uses temperature sensor
provided by ASIC (the same as mlxsw hwmon interface) to report current
temp to thermal core. The ASIC's PWM is then used to control speed
of system fans registered as cooling devices.
Signed-off-by: Ivan Vecera <cera@cera.cz>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/core.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/core.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c index 763752f1745d..bcd7251385e3 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c @@ -131,6 +131,7 @@ struct mlxsw_core { } lag; struct mlxsw_res res; struct mlxsw_hwmon *hwmon; + struct mlxsw_thermal *thermal; struct mlxsw_core_port ports[MLXSW_PORT_MAX_PORTS]; unsigned long driver_priv[0]; /* driver_priv has to be always the last item */ @@ -1162,6 +1163,11 @@ int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info, if (err) goto err_hwmon_init; + err = mlxsw_thermal_init(mlxsw_core, mlxsw_bus_info, + &mlxsw_core->thermal); + if (err) + goto err_thermal_init; + if (mlxsw_driver->init) { err = mlxsw_driver->init(mlxsw_core, mlxsw_bus_info); if (err) @@ -1178,6 +1184,7 @@ err_debugfs_init: if (mlxsw_core->driver->fini) mlxsw_core->driver->fini(mlxsw_core); err_driver_init: +err_thermal_init: err_hwmon_init: devlink_unregister(devlink); err_devlink_register: @@ -1204,6 +1211,7 @@ void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core) mlxsw_core_debugfs_fini(mlxsw_core); if (mlxsw_core->driver->fini) mlxsw_core->driver->fini(mlxsw_core); + mlxsw_thermal_fini(mlxsw_core->thermal); devlink_unregister(devlink); mlxsw_emad_fini(mlxsw_core); mlxsw_core->bus->fini(mlxsw_core->bus_priv); |