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path: root/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/core_thermal.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/core_thermal.c46
1 files changed, 19 insertions, 27 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c b/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c
index d3e851e7ca72..cfab0e330a47 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c
@@ -449,39 +449,31 @@ static int mlxsw_thermal_module_temp_get(struct thermal_zone_device *tzdev,
struct mlxsw_thermal_module *tz = tzdev->devdata;
struct mlxsw_thermal *thermal = tz->parent;
struct device *dev = thermal->bus_info->dev;
- char mtbr_pl[MLXSW_REG_MTBR_LEN];
- u16 temp;
+ char mtmp_pl[MLXSW_REG_MTMP_LEN];
+ unsigned int temp;
int err;
/* Read module temperature. */
- mlxsw_reg_mtbr_pack(mtbr_pl, MLXSW_REG_MTBR_BASE_MODULE_INDEX +
- tz->module, 1);
- err = mlxsw_reg_query(thermal->core, MLXSW_REG(mtbr), mtbr_pl);
- if (err)
- return err;
-
- mlxsw_reg_mtbr_temp_unpack(mtbr_pl, 0, &temp, NULL);
- /* Update temperature. */
- switch (temp) {
- case MLXSW_REG_MTBR_NO_CONN: /* fall-through */
- case MLXSW_REG_MTBR_NO_TEMP_SENS: /* fall-through */
- case MLXSW_REG_MTBR_INDEX_NA: /* fall-through */
- case MLXSW_REG_MTBR_BAD_SENS_INFO:
+ mlxsw_reg_mtmp_pack(mtmp_pl, MLXSW_REG_MTMP_MODULE_INDEX_MIN +
+ tz->module, false, false);
+ err = mlxsw_reg_query(thermal->core, MLXSW_REG(mtmp), mtmp_pl);
+ if (err) {
+ /* Do not return error - in case of broken module's sensor
+ * it will cause error message flooding.
+ */
temp = 0;
- break;
- default:
- temp = MLXSW_REG_MTMP_TEMP_TO_MC(temp);
- /* Reset all trip point. */
- mlxsw_thermal_module_trips_reset(tz);
- /* Update trip points. */
- err = mlxsw_thermal_module_trips_update(dev, thermal->core,
- tz);
- if (err)
- return err;
- break;
+ *p_temp = (int) temp;
+ return 0;
}
-
+ mlxsw_reg_mtmp_unpack(mtmp_pl, &temp, NULL, NULL);
*p_temp = (int) temp;
+
+ if (!temp)
+ return 0;
+
+ /* Update trip points. */
+ mlxsw_thermal_module_trips_update(dev, thermal->core, tz);
+
return 0;
}