diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/core_thermal.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/core_thermal.c | 27 |
1 files changed, 6 insertions, 21 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c b/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c index bf85ce9835d7..37fb2e1fb278 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c @@ -19,7 +19,6 @@ #define MLXSW_THERMAL_ASIC_TEMP_NORM 75000 /* 75C */ #define MLXSW_THERMAL_ASIC_TEMP_HIGH 85000 /* 85C */ #define MLXSW_THERMAL_ASIC_TEMP_HOT 105000 /* 105C */ -#define MLXSW_THERMAL_ASIC_TEMP_CRIT 140000 /* 140C */ #define MLXSW_THERMAL_HYSTERESIS_TEMP 5000 /* 5C */ #define MLXSW_THERMAL_MODULE_TEMP_SHIFT (MLXSW_THERMAL_HYSTERESIS_TEMP * 2) #define MLXSW_THERMAL_ZONE_MAX_NAME 16 @@ -45,7 +44,6 @@ enum mlxsw_thermal_trips { MLXSW_THERMAL_TEMP_TRIP_NORM, MLXSW_THERMAL_TEMP_TRIP_HIGH, MLXSW_THERMAL_TEMP_TRIP_HOT, - MLXSW_THERMAL_TEMP_TRIP_CRIT, }; struct mlxsw_thermal_trip { @@ -75,16 +73,9 @@ static const struct mlxsw_thermal_trip default_thermal_trips[] = { { /* Warning */ .type = THERMAL_TRIP_HOT, .temp = MLXSW_THERMAL_ASIC_TEMP_HOT, - .hyst = MLXSW_THERMAL_HYSTERESIS_TEMP, .min_state = MLXSW_THERMAL_MAX_STATE, .max_state = MLXSW_THERMAL_MAX_STATE, }, - { /* Critical - soft poweroff */ - .type = THERMAL_TRIP_CRITICAL, - .temp = MLXSW_THERMAL_ASIC_TEMP_CRIT, - .min_state = MLXSW_THERMAL_MAX_STATE, - .max_state = MLXSW_THERMAL_MAX_STATE, - } }; #define MLXSW_THERMAL_NUM_TRIPS ARRAY_SIZE(default_thermal_trips) @@ -154,7 +145,6 @@ mlxsw_thermal_module_trips_reset(struct mlxsw_thermal_module *tz) tz->trips[MLXSW_THERMAL_TEMP_TRIP_NORM].temp = 0; tz->trips[MLXSW_THERMAL_TEMP_TRIP_HIGH].temp = 0; tz->trips[MLXSW_THERMAL_TEMP_TRIP_HOT].temp = 0; - tz->trips[MLXSW_THERMAL_TEMP_TRIP_CRIT].temp = 0; } static int @@ -183,11 +173,10 @@ mlxsw_thermal_module_trips_update(struct device *dev, struct mlxsw_core *core, } /* According to the system thermal requirements, the thermal zones are - * defined with four trip points. The critical and emergency + * defined with three trip points. The critical and emergency * temperature thresholds, provided by QSFP module are set as "active" - * and "hot" trip points, "normal" and "critical" trip points are - * derived from "active" and "hot" by subtracting or adding double - * hysteresis value. + * and "hot" trip points, "normal" trip point is derived from "active" + * by subtracting double hysteresis value. */ if (crit_temp >= MLXSW_THERMAL_MODULE_TEMP_SHIFT) tz->trips[MLXSW_THERMAL_TEMP_TRIP_NORM].temp = crit_temp - @@ -196,8 +185,6 @@ mlxsw_thermal_module_trips_update(struct device *dev, struct mlxsw_core *core, tz->trips[MLXSW_THERMAL_TEMP_TRIP_NORM].temp = crit_temp; tz->trips[MLXSW_THERMAL_TEMP_TRIP_HIGH].temp = crit_temp; tz->trips[MLXSW_THERMAL_TEMP_TRIP_HOT].temp = emerg_temp; - tz->trips[MLXSW_THERMAL_TEMP_TRIP_CRIT].temp = emerg_temp + - MLXSW_THERMAL_MODULE_TEMP_SHIFT; return 0; } @@ -210,7 +197,7 @@ static void mlxsw_thermal_tz_score_update(struct mlxsw_thermal *thermal, struct mlxsw_thermal_trip *trip = trips; unsigned int score, delta, i, shift = 1; - /* Calculate thermal zone score, if temperature is above the critical + /* Calculate thermal zone score, if temperature is above the hot * threshold score is set to MLXSW_THERMAL_TEMP_SCORE_MAX. */ score = MLXSW_THERMAL_TEMP_SCORE_MAX; @@ -333,8 +320,7 @@ static int mlxsw_thermal_set_trip_temp(struct thermal_zone_device *tzdev, { struct mlxsw_thermal *thermal = tzdev->devdata; - if (trip < 0 || trip >= MLXSW_THERMAL_NUM_TRIPS || - temp > MLXSW_THERMAL_ASIC_TEMP_CRIT) + if (trip < 0 || trip >= MLXSW_THERMAL_NUM_TRIPS) return -EINVAL; thermal->trips[trip].temp = temp; @@ -502,8 +488,7 @@ mlxsw_thermal_module_trip_temp_set(struct thermal_zone_device *tzdev, { struct mlxsw_thermal_module *tz = tzdev->devdata; - if (trip < 0 || trip >= MLXSW_THERMAL_NUM_TRIPS || - temp > tz->trips[MLXSW_THERMAL_TEMP_TRIP_CRIT].temp) + if (trip < 0 || trip >= MLXSW_THERMAL_NUM_TRIPS) return -EINVAL; tz->trips[trip].temp = temp; |