diff options
-rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/core_thermal.c | 37 |
1 files changed, 16 insertions, 21 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c b/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c index b2c76a95f671..c721b171bd8d 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c @@ -112,6 +112,7 @@ struct mlxsw_thermal { struct mlxsw_thermal_trip trips[MLXSW_THERMAL_NUM_TRIPS]; enum thermal_device_mode mode; struct mlxsw_thermal_module *tz_module_arr; + u8 tz_module_num; struct mlxsw_thermal_module *tz_gearbox_arr; u8 tz_gearbox_num; unsigned int tz_highest_score; @@ -775,23 +776,10 @@ static void mlxsw_thermal_module_tz_fini(struct thermal_zone_device *tzdev) static int mlxsw_thermal_module_init(struct device *dev, struct mlxsw_core *core, - struct mlxsw_thermal *thermal, u8 local_port) + struct mlxsw_thermal *thermal, u8 module) { struct mlxsw_thermal_module *module_tz; - char pmlp_pl[MLXSW_REG_PMLP_LEN]; - u8 width, module; - int err; - - mlxsw_reg_pmlp_pack(pmlp_pl, local_port); - err = mlxsw_reg_query(core, MLXSW_REG(pmlp), pmlp_pl); - if (err) - return err; - width = mlxsw_reg_pmlp_width_get(pmlp_pl); - if (!width) - return 0; - - module = mlxsw_reg_pmlp_module_get(pmlp_pl, 0); module_tz = &thermal->tz_module_arr[module]; /* Skip if parent is already set (case of port split). */ if (module_tz->parent) @@ -819,26 +807,34 @@ static int mlxsw_thermal_modules_init(struct device *dev, struct mlxsw_core *core, struct mlxsw_thermal *thermal) { - unsigned int module_count = mlxsw_core_max_ports(core); struct mlxsw_thermal_module *module_tz; + char mgpir_pl[MLXSW_REG_MGPIR_LEN]; int i, err; if (!mlxsw_core_res_query_enabled(core)) return 0; - thermal->tz_module_arr = kcalloc(module_count, + mlxsw_reg_mgpir_pack(mgpir_pl); + err = mlxsw_reg_query(core, MLXSW_REG(mgpir), mgpir_pl); + if (err) + return err; + + mlxsw_reg_mgpir_unpack(mgpir_pl, NULL, NULL, NULL, + &thermal->tz_module_num); + + thermal->tz_module_arr = kcalloc(thermal->tz_module_num, sizeof(*thermal->tz_module_arr), GFP_KERNEL); if (!thermal->tz_module_arr) return -ENOMEM; - for (i = 1; i < module_count; i++) { + for (i = 0; i < thermal->tz_module_num; i++) { err = mlxsw_thermal_module_init(dev, core, thermal, i); if (err) goto err_unreg_tz_module_arr; } - for (i = 0; i < module_count - 1; i++) { + for (i = 0; i < thermal->tz_module_num; i++) { module_tz = &thermal->tz_module_arr[i]; if (!module_tz->parent) continue; @@ -850,7 +846,7 @@ mlxsw_thermal_modules_init(struct device *dev, struct mlxsw_core *core, return 0; err_unreg_tz_module_arr: - for (i = module_count - 1; i >= 0; i--) + for (i = thermal->tz_module_num - 1; i >= 0; i--) mlxsw_thermal_module_fini(&thermal->tz_module_arr[i]); kfree(thermal->tz_module_arr); return err; @@ -859,13 +855,12 @@ err_unreg_tz_module_arr: static void mlxsw_thermal_modules_fini(struct mlxsw_thermal *thermal) { - unsigned int module_count = mlxsw_core_max_ports(thermal->core); int i; if (!mlxsw_core_res_query_enabled(thermal->core)) return; - for (i = module_count - 1; i >= 0; i--) + for (i = thermal->tz_module_num - 1; i >= 0; i--) mlxsw_thermal_module_fini(&thermal->tz_module_arr[i]); kfree(thermal->tz_module_arr); } |