thermal: Store device mode in struct thermal_zone_device

Prepare for eliminating get_mode().
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
[for acerhdf]
Acked-by: Peter Kaestle <peter@piie.net>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200629122925.21729-5-andrzej.p@collabora.com

drivers/acpi/thermal.c

@@ -172,7 +172,6 @@ struct acpi_thermal {
 	struct acpi_thermal_trips trips;
 	struct acpi_handle_list devices;
 	struct thermal_zone_device *thermal_zone;
-	enum thermal_device_mode mode;
 	int kelvin_offset;	/* in millidegrees */
 	struct work_struct thermal_check_work;
 };
@@ -500,7 +499,7 @@ static void acpi_thermal_check(void *data)
 {
 	struct acpi_thermal *tz = data;
 
-	if (tz->mode != THERMAL_DEVICE_ENABLED)
+	if (tz->thermal_zone->mode != THERMAL_DEVICE_ENABLED)
 		return;
 
 	thermal_zone_device_update(tz->thermal_zone,
@@ -529,12 +528,7 @@ static int thermal_get_temp(struct thermal_zone_device *thermal, int *temp)
 static int thermal_get_mode(struct thermal_zone_device *thermal,
 				enum thermal_device_mode *mode)
 {
-	struct acpi_thermal *tz = thermal->devdata;
-
-	if (!tz)
-		return -EINVAL;
-
-	*mode = tz->mode;
+	*mode = thermal->mode;
 
 	return 0;
 }
@@ -556,11 +550,11 @@ static int thermal_set_mode(struct thermal_zone_device *thermal,
 	if (mode == THERMAL_DEVICE_DISABLED)
 		pr_warn("thermal zone will be disabled\n");
 
-	if (mode != tz->mode) {
-		tz->mode = mode;
+	if (mode != tz->thermal_zone->mode) {
+		tz->thermal_zone->mode = mode;
 		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
 			"%s kernel ACPI thermal control\n",
-			tz->mode == THERMAL_DEVICE_ENABLED ?
+			tz->thermal_zone->mode == THERMAL_DEVICE_ENABLED ?
 			"Enable" : "Disable"));
 		acpi_thermal_check(tz);
 	}
@@ -912,7 +906,7 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)
 		goto remove_dev_link;
 	}
 
-	tz->mode = THERMAL_DEVICE_ENABLED;
+	tz->thermal_zone->mode = THERMAL_DEVICE_ENABLED;
 
 	dev_info(&tz->device->dev, "registered as thermal_zone%d\n",
 		 tz->thermal_zone->id);

drivers/net/ethernet/mellanox/mlxsw/core_thermal.c

@@ -98,7 +98,6 @@ struct mlxsw_thermal_module {
 	struct mlxsw_thermal *parent;
 	struct thermal_zone_device *tzdev;
 	struct mlxsw_thermal_trip trips[MLXSW_THERMAL_NUM_TRIPS];
-	enum thermal_device_mode mode;
 	int module; /* Module or gearbox number */
 };
 
@@ -110,7 +109,6 @@ struct mlxsw_thermal {
 	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];
-	enum thermal_device_mode mode;
 	struct mlxsw_thermal_module *tz_module_arr;
 	u8 tz_module_num;
 	struct mlxsw_thermal_module *tz_gearbox_arr;
@@ -280,9 +278,7 @@ static int mlxsw_thermal_unbind(struct thermal_zone_device *tzdev,
 static int mlxsw_thermal_get_mode(struct thermal_zone_device *tzdev,
 				  enum thermal_device_mode *mode)
 {
-	struct mlxsw_thermal *thermal = tzdev->devdata;
-
-	*mode = thermal->mode;
+	*mode = tzdev->mode;
 
 	return 0;
 }
@@ -299,9 +295,9 @@ static int mlxsw_thermal_set_mode(struct thermal_zone_device *tzdev,
 	else
 		tzdev->polling_delay = 0;
 
+	tzdev->mode = mode;
 	mutex_unlock(&tzdev->lock);
 
-	thermal->mode = mode;
 	thermal_zone_device_update(tzdev, THERMAL_EVENT_UNSPECIFIED);
 
 	return 0;
@@ -468,9 +464,7 @@ static int mlxsw_thermal_module_unbind(struct thermal_zone_device *tzdev,
 static int mlxsw_thermal_module_mode_get(struct thermal_zone_device *tzdev,
 					 enum thermal_device_mode *mode)
 {
-	struct mlxsw_thermal_module *tz = tzdev->devdata;
-
-	*mode = tz->mode;
+	*mode = tzdev->mode;
 
 	return 0;
 }
@@ -488,9 +482,10 @@ static int mlxsw_thermal_module_mode_set(struct thermal_zone_device *tzdev,
 	else
 		tzdev->polling_delay = 0;
 
+	tzdev->mode = mode;
+
 	mutex_unlock(&tzdev->lock);
 
-	tz->mode = mode;
 	thermal_zone_device_update(tzdev, THERMAL_EVENT_UNSPECIFIED);
 
 	return 0;
@@ -780,7 +775,7 @@ mlxsw_thermal_module_tz_init(struct mlxsw_thermal_module *module_tz)
 		return err;
 	}
 
-	module_tz->mode = THERMAL_DEVICE_ENABLED;
+	module_tz->tzdev->mode = THERMAL_DEVICE_ENABLED;
 	return 0;
 }
 
@@ -896,7 +891,7 @@ mlxsw_thermal_gearbox_tz_init(struct mlxsw_thermal_module *gearbox_tz)
 	if (IS_ERR(gearbox_tz->tzdev))
 		return PTR_ERR(gearbox_tz->tzdev);
 
-	gearbox_tz->mode = THERMAL_DEVICE_ENABLED;
+	gearbox_tz->tzdev->mode = THERMAL_DEVICE_ENABLED;
 	return 0;
 }
 
@@ -1065,7 +1060,7 @@ int mlxsw_thermal_init(struct mlxsw_core *core,
 	if (err)
 		goto err_unreg_modules_tzdev;
 
-	thermal->mode = THERMAL_DEVICE_ENABLED;
+	thermal->tzdev->mode = THERMAL_DEVICE_ENABLED;
 	*p_thermal = thermal;
 	return 0;
 

drivers/platform/x86/acerhdf.c

@@ -68,7 +68,6 @@ static int kernelmode = 1;
 #else
 static int kernelmode;
 #endif
-static enum thermal_device_mode thermal_mode;
 
 static unsigned int interval = 10;
 static unsigned int fanon = 60000;
@@ -398,15 +397,16 @@ static inline void acerhdf_revert_to_bios_mode(void)
 {
 	acerhdf_change_fanstate(ACERHDF_FAN_AUTO);
 	kernelmode = 0;
-	thermal_mode = THERMAL_DEVICE_DISABLED;
-	if (thz_dev)
+	if (thz_dev) {
+		thz_dev->mode = THERMAL_DEVICE_DISABLED;
 		thz_dev->polling_delay = 0;
+	}
 	pr_notice("kernel mode fan control OFF\n");
 }
 static inline void acerhdf_enable_kernelmode(void)
 {
 	kernelmode = 1;
-	thermal_mode = THERMAL_DEVICE_ENABLED;
+	thz_dev->mode = THERMAL_DEVICE_ENABLED;
 
 	thz_dev->polling_delay = interval*1000;
 	thermal_zone_device_update(thz_dev, THERMAL_EVENT_UNSPECIFIED);
@@ -419,7 +419,7 @@ static int acerhdf_get_mode(struct thermal_zone_device *thermal,
 	if (verbose)
 		pr_notice("kernel mode fan control %d\n", kernelmode);
 
-	*mode = thermal_mode;
+	*mode = thermal->mode;
 
 	return 0;
 }
@@ -741,8 +741,6 @@ static int __init acerhdf_register_thermal(void)
 	if (IS_ERR(cl_dev))
 		return -EINVAL;
 
-	thermal_mode = kernelmode ?
-		THERMAL_DEVICE_ENABLED : THERMAL_DEVICE_DISABLED;
 	thz_dev = thermal_zone_device_register("acerhdf", 2, 0, NULL,
 					      &acerhdf_dev_ops,
 					      &acerhdf_zone_params, 0,
@@ -750,6 +748,9 @@ static int __init acerhdf_register_thermal(void)
 	if (IS_ERR(thz_dev))
 		return -EINVAL;
 
+	thz_dev->mode = kernelmode ?
+		THERMAL_DEVICE_ENABLED : THERMAL_DEVICE_DISABLED;
+
 	if (strcmp(thz_dev->governor->name,
 				acerhdf_zone_params.governor_name)) {
 		pr_err("Didn't get thermal governor %s, perhaps not compiled into thermal subsystem.\n",

drivers/thermal/da9062-thermal.c

@@ -49,7 +49,6 @@ struct da9062_thermal {
 	struct da9062 *hw;
 	struct delayed_work work;
 	struct thermal_zone_device *zone;
-	enum thermal_device_mode mode;
 	struct mutex lock; /* protection for da9062_thermal temperature */
 	int temperature;
 	int irq;
@@ -124,8 +123,7 @@ static irqreturn_t da9062_thermal_irq_handler(int irq, void *data)
 static int da9062_thermal_get_mode(struct thermal_zone_device *z,
 				   enum thermal_device_mode *mode)
 {
-	struct da9062_thermal *thermal = z->devdata;
-	*mode = thermal->mode;
+	*mode = z->mode;
 	return 0;
 }
 
@@ -233,7 +231,6 @@ static int da9062_thermal_probe(struct platform_device *pdev)
 
 	thermal->config = match->data;
 	thermal->hw = chip;
-	thermal->mode = THERMAL_DEVICE_ENABLED;
 	thermal->dev = &pdev->dev;
 
 	INIT_DELAYED_WORK(&thermal->work, da9062_thermal_poll_on);
@@ -248,6 +245,7 @@ static int da9062_thermal_probe(struct platform_device *pdev)
 		ret = PTR_ERR(thermal->zone);
 		goto err;
 	}
+	thermal->zone->mode = THERMAL_DEVICE_ENABLED;
 
 	dev_dbg(&pdev->dev,
 		"TJUNC temperature polling period set at %d ms\n",

drivers/thermal/imx_thermal.c

@@ -197,7 +197,6 @@ struct imx_thermal_data {
 	struct cpufreq_policy *policy;
 	struct thermal_zone_device *tz;
 	struct thermal_cooling_device *cdev;
-	enum thermal_device_mode mode;
 	struct regmap *tempmon;
 	u32 c1, c2; /* See formula in imx_init_calib() */
 	int temp_passive;
@@ -256,7 +255,7 @@ static int imx_get_temp(struct thermal_zone_device *tz, int *temp)
 	bool wait;
 	u32 val;
 
-	if (data->mode == THERMAL_DEVICE_ENABLED) {
+	if (tz->mode == THERMAL_DEVICE_ENABLED) {
 		/* Check if a measurement is currently in progress */
 		regmap_read(map, soc_data->temp_data, &val);
 		wait = !(val & soc_data->temp_valid_mask);
@@ -283,7 +282,7 @@ static int imx_get_temp(struct thermal_zone_device *tz, int *temp)
 
 	regmap_read(map, soc_data->temp_data, &val);
 
-	if (data->mode != THERMAL_DEVICE_ENABLED) {
+	if (tz->mode != THERMAL_DEVICE_ENABLED) {
 		regmap_write(map, soc_data->sensor_ctrl + REG_CLR,
 			     soc_data->measure_temp_mask);
 		regmap_write(map, soc_data->sensor_ctrl + REG_SET,
@@ -334,9 +333,7 @@ static int imx_get_temp(struct thermal_zone_device *tz, int *temp)
 static int imx_get_mode(struct thermal_zone_device *tz,
 			enum thermal_device_mode *mode)
 {
-	struct imx_thermal_data *data = tz->devdata;
-
-	*mode = data->mode;
+	*mode = tz->mode;
 
 	return 0;
 }
@@ -376,7 +373,7 @@ static int imx_set_mode(struct thermal_zone_device *tz,
 		}
 	}
 
-	data->mode = mode;
+	tz->mode = mode;
 	thermal_zone_device_update(tz, THERMAL_EVENT_UNSPECIFIED);
 
 	return 0;
@@ -831,7 +828,7 @@ static int imx_thermal_probe(struct platform_device *pdev)
 		     data->socdata->measure_temp_mask);
 
 	data->irq_enabled = true;
-	data->mode = THERMAL_DEVICE_ENABLED;
+	data->tz->mode = THERMAL_DEVICE_ENABLED;
 
 	ret = devm_request_threaded_irq(&pdev->dev, data->irq,
 			imx_thermal_alarm_irq, imx_thermal_alarm_irq_thread,
@@ -885,7 +882,7 @@ static int __maybe_unused imx_thermal_suspend(struct device *dev)
 		     data->socdata->measure_temp_mask);
 	regmap_write(map, data->socdata->sensor_ctrl + REG_SET,
 		     data->socdata->power_down_mask);
-	data->mode = THERMAL_DEVICE_DISABLED;
+	data->tz->mode = THERMAL_DEVICE_DISABLED;
 	clk_disable_unprepare(data->thermal_clk);
 
 	return 0;
@@ -905,7 +902,7 @@ static int __maybe_unused imx_thermal_resume(struct device *dev)
 		     data->socdata->power_down_mask);
 	regmap_write(map, data->socdata->sensor_ctrl + REG_SET,
 		     data->socdata->measure_temp_mask);
-	data->mode = THERMAL_DEVICE_ENABLED;
+	data->tz->mode = THERMAL_DEVICE_ENABLED;
 
 	return 0;
 }

drivers/thermal/intel/int340x_thermal/int3400_thermal.c

@@ -48,7 +48,6 @@ struct int3400_thermal_priv {
 	struct acpi_device *adev;
 	struct platform_device *pdev;
 	struct thermal_zone_device *thermal;
-	enum thermal_device_mode mode;
 	int art_count;
 	struct art *arts;
 	int trt_count;
@@ -381,12 +380,7 @@ static int int3400_thermal_get_temp(struct thermal_zone_device *thermal,
 static int int3400_thermal_get_mode(struct thermal_zone_device *thermal,
 				enum thermal_device_mode *mode)
 {
-	struct int3400_thermal_priv *priv = thermal->devdata;
-
-	if (!priv)
-		return -EINVAL;
-
-	*mode = priv->mode;
+	*mode = thermal->mode;
 
 	return 0;
 }
@@ -404,8 +398,8 @@ static int int3400_thermal_set_mode(struct thermal_zone_device *thermal,
 	    mode != THERMAL_DEVICE_DISABLED)
 		return -EINVAL;
 
-	if (mode != priv->mode) {
-		priv->mode = mode;
+	if (mode != thermal->mode) {
+		thermal->mode = mode;
 		result = int3400_thermal_run_osc(priv->adev->handle,
 						priv->current_uuid_index,
 						mode == THERMAL_DEVICE_ENABLED);

drivers/thermal/intel/intel_quark_dts_thermal.c

@@ -103,7 +103,6 @@ struct soc_sensor_entry {
 	bool locked;
 	u32 store_ptps;
 	u32 store_dts_enable;
-	enum thermal_device_mode mode;
 	struct thermal_zone_device *tzone;
 };
 
@@ -128,7 +127,7 @@ static int soc_dts_enable(struct thermal_zone_device *tzd)
 		return ret;
 
 	if (out & QRK_DTS_ENABLE_BIT) {
-		aux_entry->mode = THERMAL_DEVICE_ENABLED;
+		tzd->mode = THERMAL_DEVICE_ENABLED;
 		return 0;
 	}
 
@@ -139,9 +138,9 @@ static int soc_dts_enable(struct thermal_zone_device *tzd)
 		if (ret)
 			return ret;
 
-		aux_entry->mode = THERMAL_DEVICE_ENABLED;
+		tzd->mode = THERMAL_DEVICE_ENABLED;
 	} else {
-		aux_entry->mode = THERMAL_DEVICE_DISABLED;
+		tzd->mode = THERMAL_DEVICE_DISABLED;
 		pr_info("DTS is locked. Cannot enable DTS\n");
 		ret = -EPERM;
 	}
@@ -161,7 +160,7 @@ static int soc_dts_disable(struct thermal_zone_device *tzd)
 		return ret;
 
 	if (!(out & QRK_DTS_ENABLE_BIT)) {
-		aux_entry->mode = THERMAL_DEVICE_DISABLED;
+		tzd->mode = THERMAL_DEVICE_DISABLED;
 		return 0;
 	}
 
@@ -173,9 +172,9 @@ static int soc_dts_disable(struct thermal_zone_device *tzd)
 		if (ret)
 			return ret;
 
-		aux_entry->mode = THERMAL_DEVICE_DISABLED;
+		tzd->mode = THERMAL_DEVICE_DISABLED;
 	} else {
-		aux_entry->mode = THERMAL_DEVICE_ENABLED;
+		tzd->mode = THERMAL_DEVICE_ENABLED;
 		pr_info("DTS is locked. Cannot disable DTS\n");
 		ret = -EPERM;
 	}
@@ -312,8 +311,7 @@ static int sys_get_curr_temp(struct thermal_zone_device *tzd,
 static int sys_get_mode(struct thermal_zone_device *tzd,
 				enum thermal_device_mode *mode)
 {
-	struct soc_sensor_entry *aux_entry = tzd->devdata;
-	*mode = aux_entry->mode;
+	*mode = tzd->mode;
 	return 0;
 }
 

drivers/thermal/thermal_of.c

@@ -51,7 +51,6 @@ struct __thermal_bind_params {
 
 /**
  * struct __thermal_zone - internal representation of a thermal zone
- * @mode: current thermal zone device mode (enabled/disabled)
  * @passive_delay: polling interval while passive cooling is activated
  * @polling_delay: zone polling interval
  * @slope: slope of the temperature adjustment curve
@@ -65,7 +64,6 @@ struct __thermal_bind_params {
  */
 
 struct __thermal_zone {
-	enum thermal_device_mode mode;
 	int passive_delay;
 	int polling_delay;
 	int slope;
@@ -272,9 +270,7 @@ static int of_thermal_unbind(struct thermal_zone_device *thermal,
 static int of_thermal_get_mode(struct thermal_zone_device *tz,
 			       enum thermal_device_mode *mode)
 {
-	struct __thermal_zone *data = tz->devdata;
-
-	*mode = data->mode;
+	*mode = tz->mode;
 
 	return 0;
 }
@@ -296,7 +292,7 @@ static int of_thermal_set_mode(struct thermal_zone_device *tz,
 
 	mutex_unlock(&tz->lock);
 
-	data->mode = mode;
+	tz->mode = mode;
 	thermal_zone_device_update(tz, THERMAL_EVENT_UNSPECIFIED);
 
 	return 0;
@@ -979,7 +975,6 @@ __init *thermal_of_build_thermal_zone(struct device_node *np)
 
 finish:
 	of_node_put(child);
-	tz->mode = THERMAL_DEVICE_DISABLED;
 
 	return tz;
 
@@ -1134,6 +1129,7 @@ int __init of_parse_thermal_zones(void)
 			of_thermal_free_zone(tz);
 			/* attempting to build remaining zones still */
 		}
+		zone->mode = THERMAL_DEVICE_DISABLED;
 	}
 	of_node_put(np);