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([2a05:6e02:1041:c10:b460:17f0:186d:9d2e]) by smtp.gmail.com with ESMTPSA id w12-20020a05600c474c00b003a682354f63sm898148wmo.11.2022.10.14.00.33.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Oct 2022 00:33:11 -0700 (PDT) From: Daniel Lezcano To: rafael@kernel.org, daniel.lezcano@linaro.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Ido Schimmel , Petr Machata , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , netdev@vger.kernel.org (open list:MELLANOX ETHERNET SWITCH DRIVERS) Subject: [PATCH 2/2] thermal/drivers/mellanox: Use generic thermal_zone_get_trip() function Date: Fri, 14 Oct 2022 09:32:51 +0200 Message-Id: <20221014073253.3719911-2-daniel.lezcano@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221014073253.3719911-1-daniel.lezcano@linaro.org> References: <20221014073253.3719911-1-daniel.lezcano@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The thermal framework gives the possibility to register the trip points with the thermal zone. When that is done, no get_trip_* ops are needed and they can be removed. Convert ops content logic into generic trip points and register them with the thermal zone. Signed-off-by: Daniel Lezcano --- .../ethernet/mellanox/mlxsw/core_thermal.c | 209 ++++-------------- 1 file changed, 48 insertions(+), 161 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c b/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c index 987fe5c9d5a3..c5240d38c9db 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c @@ -36,33 +36,39 @@ enum mlxsw_thermal_trips { MLXSW_THERMAL_TEMP_TRIP_HOT, }; -struct mlxsw_thermal_trip { - int type; - int temp; - int hyst; +struct mlxsw_cooling_states { int min_state; int max_state; }; -static const struct mlxsw_thermal_trip default_thermal_trips[] = { +static const struct thermal_trip default_thermal_trips[] = { { /* In range - 0-40% PWM */ .type = THERMAL_TRIP_ACTIVE, - .temp = MLXSW_THERMAL_ASIC_TEMP_NORM, - .hyst = MLXSW_THERMAL_HYSTERESIS_TEMP, - .min_state = 0, - .max_state = (4 * MLXSW_THERMAL_MAX_STATE) / 10, + .temperature = MLXSW_THERMAL_ASIC_TEMP_NORM, + .hysteresis = MLXSW_THERMAL_HYSTERESIS_TEMP, }, { /* In range - 40-100% PWM */ .type = THERMAL_TRIP_ACTIVE, - .temp = MLXSW_THERMAL_ASIC_TEMP_HIGH, - .hyst = MLXSW_THERMAL_HYSTERESIS_TEMP, - .min_state = (4 * MLXSW_THERMAL_MAX_STATE) / 10, - .max_state = MLXSW_THERMAL_MAX_STATE, + .temperature = MLXSW_THERMAL_ASIC_TEMP_HIGH, + .hysteresis = MLXSW_THERMAL_HYSTERESIS_TEMP, }, { /* Warning */ .type = THERMAL_TRIP_HOT, - .temp = MLXSW_THERMAL_ASIC_TEMP_HOT, + .temperature = MLXSW_THERMAL_ASIC_TEMP_HOT, + }, +}; + +static const struct mlxsw_cooling_states default_cooling_states[] = { + { + .min_state = 0, + .max_state = (4 * MLXSW_THERMAL_MAX_STATE) / 10, + }, + { + .min_state = (4 * MLXSW_THERMAL_MAX_STATE) / 10, + .max_state = MLXSW_THERMAL_MAX_STATE, + }, + { .min_state = MLXSW_THERMAL_MAX_STATE, .max_state = MLXSW_THERMAL_MAX_STATE, }, @@ -78,7 +84,8 @@ struct mlxsw_thermal; struct mlxsw_thermal_module { struct mlxsw_thermal *parent; struct thermal_zone_device *tzdev; - struct mlxsw_thermal_trip trips[MLXSW_THERMAL_NUM_TRIPS]; + struct thermal_trip trips[MLXSW_THERMAL_NUM_TRIPS]; + struct mlxsw_cooling_states cooling_states[MLXSW_THERMAL_NUM_TRIPS]; int module; /* Module or gearbox number */ u8 slot_index; }; @@ -99,7 +106,8 @@ struct mlxsw_thermal { int polling_delay; struct thermal_cooling_device *cdevs[MLXSW_MFCR_PWMS_MAX]; u8 cooling_levels[MLXSW_THERMAL_MAX_STATE + 1]; - struct mlxsw_thermal_trip trips[MLXSW_THERMAL_NUM_TRIPS]; + struct thermal_trip trips[MLXSW_THERMAL_NUM_TRIPS]; + struct mlxsw_cooling_states cooling_states[MLXSW_THERMAL_NUM_TRIPS]; struct mlxsw_thermal_area line_cards[]; }; @@ -136,9 +144,9 @@ static int mlxsw_get_cooling_device_idx(struct mlxsw_thermal *thermal, static void 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_NORM].temperature = 0; + tz->trips[MLXSW_THERMAL_TEMP_TRIP_HIGH].temperature = 0; + tz->trips[MLXSW_THERMAL_TEMP_TRIP_HOT].temperature = 0; } static int @@ -180,12 +188,12 @@ mlxsw_thermal_module_trips_update(struct device *dev, struct mlxsw_core *core, * by subtracting double hysteresis value. */ if (crit_temp >= MLXSW_THERMAL_MODULE_TEMP_SHIFT) - tz->trips[MLXSW_THERMAL_TEMP_TRIP_NORM].temp = crit_temp - + tz->trips[MLXSW_THERMAL_TEMP_TRIP_NORM].temperature = crit_temp - MLXSW_THERMAL_MODULE_TEMP_SHIFT; else - 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_NORM].temperature = crit_temp; + tz->trips[MLXSW_THERMAL_TEMP_TRIP_HIGH].temperature = crit_temp; + tz->trips[MLXSW_THERMAL_TEMP_TRIP_HOT].temperature = emerg_temp; return 0; } @@ -202,11 +210,11 @@ static int mlxsw_thermal_bind(struct thermal_zone_device *tzdev, return 0; for (i = 0; i < MLXSW_THERMAL_NUM_TRIPS; i++) { - const struct mlxsw_thermal_trip *trip = &thermal->trips[i]; + const struct mlxsw_cooling_states *state = &thermal->cooling_states[i]; err = thermal_zone_bind_cooling_device(tzdev, i, cdev, - trip->max_state, - trip->min_state, + state->max_state, + state->min_state, THERMAL_WEIGHT_DEFAULT); if (err < 0) { dev_err(dev, "Failed to bind cooling device to trip %d\n", i); @@ -260,61 +268,6 @@ static int mlxsw_thermal_get_temp(struct thermal_zone_device *tzdev, return 0; } -static int mlxsw_thermal_get_trip_type(struct thermal_zone_device *tzdev, - int trip, - enum thermal_trip_type *p_type) -{ - struct mlxsw_thermal *thermal = tzdev->devdata; - - if (trip < 0 || trip >= MLXSW_THERMAL_NUM_TRIPS) - return -EINVAL; - - *p_type = thermal->trips[trip].type; - return 0; -} - -static int mlxsw_thermal_get_trip_temp(struct thermal_zone_device *tzdev, - int trip, int *p_temp) -{ - struct mlxsw_thermal *thermal = tzdev->devdata; - - if (trip < 0 || trip >= MLXSW_THERMAL_NUM_TRIPS) - return -EINVAL; - - *p_temp = thermal->trips[trip].temp; - return 0; -} - -static int mlxsw_thermal_set_trip_temp(struct thermal_zone_device *tzdev, - int trip, int temp) -{ - struct mlxsw_thermal *thermal = tzdev->devdata; - - if (trip < 0 || trip >= MLXSW_THERMAL_NUM_TRIPS) - return -EINVAL; - - thermal->trips[trip].temp = temp; - return 0; -} - -static int mlxsw_thermal_get_trip_hyst(struct thermal_zone_device *tzdev, - int trip, int *p_hyst) -{ - struct mlxsw_thermal *thermal = tzdev->devdata; - - *p_hyst = thermal->trips[trip].hyst; - return 0; -} - -static int mlxsw_thermal_set_trip_hyst(struct thermal_zone_device *tzdev, - int trip, int hyst) -{ - struct mlxsw_thermal *thermal = tzdev->devdata; - - thermal->trips[trip].hyst = hyst; - return 0; -} - static struct thermal_zone_params mlxsw_thermal_params = { .no_hwmon = true, }; @@ -323,11 +276,6 @@ static struct thermal_zone_device_ops mlxsw_thermal_ops = { .bind = mlxsw_thermal_bind, .unbind = mlxsw_thermal_unbind, .get_temp = mlxsw_thermal_get_temp, - .get_trip_type = mlxsw_thermal_get_trip_type, - .get_trip_temp = mlxsw_thermal_get_trip_temp, - .set_trip_temp = mlxsw_thermal_set_trip_temp, - .get_trip_hyst = mlxsw_thermal_get_trip_hyst, - .set_trip_hyst = mlxsw_thermal_set_trip_hyst, }; static int mlxsw_thermal_module_bind(struct thermal_zone_device *tzdev, @@ -342,11 +290,11 @@ static int mlxsw_thermal_module_bind(struct thermal_zone_device *tzdev, return 0; for (i = 0; i < MLXSW_THERMAL_NUM_TRIPS; i++) { - const struct mlxsw_thermal_trip *trip = &tz->trips[i]; + const struct mlxsw_cooling_states *state = &tz->cooling_states[i]; err = thermal_zone_bind_cooling_device(tzdev, i, cdev, - trip->max_state, - trip->min_state, + state->max_state, + state->min_state, THERMAL_WEIGHT_DEFAULT); if (err < 0) goto err_thermal_zone_bind_cooling_device; @@ -434,74 +382,10 @@ static int mlxsw_thermal_module_temp_get(struct thermal_zone_device *tzdev, return 0; } -static int -mlxsw_thermal_module_trip_type_get(struct thermal_zone_device *tzdev, int trip, - enum thermal_trip_type *p_type) -{ - struct mlxsw_thermal_module *tz = tzdev->devdata; - - if (trip < 0 || trip >= MLXSW_THERMAL_NUM_TRIPS) - return -EINVAL; - - *p_type = tz->trips[trip].type; - return 0; -} - -static int -mlxsw_thermal_module_trip_temp_get(struct thermal_zone_device *tzdev, - int trip, int *p_temp) -{ - struct mlxsw_thermal_module *tz = tzdev->devdata; - - if (trip < 0 || trip >= MLXSW_THERMAL_NUM_TRIPS) - return -EINVAL; - - *p_temp = tz->trips[trip].temp; - return 0; -} - -static int -mlxsw_thermal_module_trip_temp_set(struct thermal_zone_device *tzdev, - int trip, int temp) -{ - struct mlxsw_thermal_module *tz = tzdev->devdata; - - if (trip < 0 || trip >= MLXSW_THERMAL_NUM_TRIPS) - return -EINVAL; - - tz->trips[trip].temp = temp; - return 0; -} - -static int -mlxsw_thermal_module_trip_hyst_get(struct thermal_zone_device *tzdev, int trip, - int *p_hyst) -{ - struct mlxsw_thermal_module *tz = tzdev->devdata; - - *p_hyst = tz->trips[trip].hyst; - return 0; -} - -static int -mlxsw_thermal_module_trip_hyst_set(struct thermal_zone_device *tzdev, int trip, - int hyst) -{ - struct mlxsw_thermal_module *tz = tzdev->devdata; - - tz->trips[trip].hyst = hyst; - return 0; -} - static struct thermal_zone_device_ops mlxsw_thermal_module_ops = { .bind = mlxsw_thermal_module_bind, .unbind = mlxsw_thermal_module_unbind, .get_temp = mlxsw_thermal_module_temp_get, - .get_trip_type = mlxsw_thermal_module_trip_type_get, - .get_trip_temp = mlxsw_thermal_module_trip_temp_get, - .set_trip_temp = mlxsw_thermal_module_trip_temp_set, - .get_trip_hyst = mlxsw_thermal_module_trip_hyst_get, - .set_trip_hyst = mlxsw_thermal_module_trip_hyst_set, }; static int mlxsw_thermal_gearbox_temp_get(struct thermal_zone_device *tzdev, @@ -531,11 +415,6 @@ static struct thermal_zone_device_ops mlxsw_thermal_gearbox_ops = { .bind = mlxsw_thermal_module_bind, .unbind = mlxsw_thermal_module_unbind, .get_temp = mlxsw_thermal_gearbox_temp_get, - .get_trip_type = mlxsw_thermal_module_trip_type_get, - .get_trip_temp = mlxsw_thermal_module_trip_temp_get, - .set_trip_temp = mlxsw_thermal_module_trip_temp_set, - .get_trip_hyst = mlxsw_thermal_module_trip_hyst_get, - .set_trip_hyst = mlxsw_thermal_module_trip_hyst_set, }; static int mlxsw_thermal_get_max_state(struct thermal_cooling_device *cdev, @@ -617,7 +496,8 @@ mlxsw_thermal_module_tz_init(struct mlxsw_thermal_module *module_tz) else snprintf(tz_name, sizeof(tz_name), "mlxsw-module%d", module_tz->module + 1); - module_tz->tzdev = thermal_zone_device_register(tz_name, + module_tz->tzdev = thermal_zone_device_register_with_trips(tz_name, + module_tz->trips, MLXSW_THERMAL_NUM_TRIPS, MLXSW_THERMAL_TRIP_MASK, module_tz, @@ -661,6 +541,8 @@ mlxsw_thermal_module_init(struct device *dev, struct mlxsw_core *core, module_tz->parent = thermal; memcpy(module_tz->trips, default_thermal_trips, sizeof(thermal->trips)); + memcpy(module_tz->cooling_states, default_cooling_states, + sizeof(thermal->cooling_states)); /* Initialize all trip point. */ mlxsw_thermal_module_trips_reset(module_tz); /* Read module temperature and thresholds. */ @@ -756,7 +638,8 @@ mlxsw_thermal_gearbox_tz_init(struct mlxsw_thermal_module *gearbox_tz) else snprintf(tz_name, sizeof(tz_name), "mlxsw-gearbox%d", gearbox_tz->module + 1); - gearbox_tz->tzdev = thermal_zone_device_register(tz_name, + gearbox_tz->tzdev = thermal_zone_device_register_with_trips(tz_name, + gearbox_tz->trips, MLXSW_THERMAL_NUM_TRIPS, MLXSW_THERMAL_TRIP_MASK, gearbox_tz, @@ -813,6 +696,8 @@ mlxsw_thermal_gearboxes_init(struct device *dev, struct mlxsw_core *core, gearbox_tz = &area->tz_gearbox_arr[i]; memcpy(gearbox_tz->trips, default_thermal_trips, sizeof(thermal->trips)); + memcpy(gearbox_tz->cooling_states, default_cooling_states, + sizeof(thermal->cooling_states)); gearbox_tz->module = i; gearbox_tz->parent = thermal; gearbox_tz->slot_index = area->slot_index; @@ -928,6 +813,7 @@ int mlxsw_thermal_init(struct mlxsw_core *core, thermal->core = core; thermal->bus_info = bus_info; memcpy(thermal->trips, default_thermal_trips, sizeof(thermal->trips)); + memcpy(thermal->cooling_states, default_cooling_states, sizeof(thermal->cooling_states)); thermal->line_cards[0].slot_index = 0; err = mlxsw_reg_query(thermal->core, MLXSW_REG(mfcr), mfcr_pl); @@ -981,7 +867,8 @@ int mlxsw_thermal_init(struct mlxsw_core *core, MLXSW_THERMAL_SLOW_POLL_INT : MLXSW_THERMAL_POLL_INT; - thermal->tzdev = thermal_zone_device_register("mlxsw", + thermal->tzdev = thermal_zone_device_register_with_trips("mlxsw", + thermal->trips, MLXSW_THERMAL_NUM_TRIPS, MLXSW_THERMAL_TRIP_MASK, thermal, -- 2.34.1