thermal: Explicitly enable non-changing thermal zone devices

Some thermal zone devices never change their state, so they should be
always enabled.

Signed-off-by: Andrzej Pietrasiewicz <[email protected]>
Reviewed-by: Bartlomiej Zolnierkiewicz <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: andrzejtp

drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.c

@@ -92,6 +92,14 @@ int cxgb4_thermal_init(struct adapter *adap)
 		ch_thermal->tzdev = NULL;
 		return ret;
 	}
+
+	ret = thermal_zone_device_enable(ch_thermal->tzdev);
+	if (ret) {
+		dev_err(adap->pdev_dev, "Failed to enable thermal zone\n");
+		thermal_zone_device_unregister(adap->ch_thermal.tzdev);
+		return ret;
+	}
+
 	return 0;
 }
 

drivers/net/wireless/intel/iwlwifi/mvm/tt.c

@@ -733,7 +733,7 @@ static  struct thermal_zone_device_ops tzone_ops = {
 
 static void iwl_mvm_thermal_zone_register(struct iwl_mvm *mvm)
 {
-	int i;
+	int i, ret;
 	char name[16];
 	static atomic_t counter = ATOMIC_INIT(0);
 
@@ -759,6 +759,13 @@ static void iwl_mvm_thermal_zone_register(struct iwl_mvm *mvm)
 		return;
 	}
 
+	ret = thermal_zone_device_enable(mvm->tz_device.tzone);
+	if (ret) {
+		IWL_DEBUG_TEMP(mvm, "Failed to enable thermal zone\n");
+		thermal_zone_device_unregister(mvm->tz_device.tzone);
+		return;
+	}
+
 	/* 0 is a valid temperature,
 	 * so initialize the array with S16_MIN which invalid temperature
 	 */

drivers/platform/x86/intel_mid_thermal.c

@@ -493,6 +493,12 @@ static int mid_thermal_probe(struct platform_device *pdev)
 			ret = PTR_ERR(pinfo->tzd[i]);
 			goto err;
 		}
+		ret = thermal_zone_device_enable(pinfo->tzd[i]);
+		if (ret) {
+			kfree(td_info);
+			thermal_zone_device_unregister(pinfo->tzd[i]);
+			goto err;
+		}
 	}
 
 	pinfo->pdev = pdev;

drivers/power/supply/power_supply_core.c

@@ -939,7 +939,7 @@ static struct thermal_zone_device_ops psy_tzd_ops = {
 
 static int psy_register_thermal(struct power_supply *psy)
 {
-	int i;
+	int i, ret;
 
 	if (psy->desc->no_thermal)
 		return 0;
@@ -949,7 +949,12 @@ static int psy_register_thermal(struct power_supply *psy)
 		if (psy->desc->properties[i] == POWER_SUPPLY_PROP_TEMP) {
 			psy->tzd = thermal_zone_device_register(psy->desc->name,
 					0, 0, psy, &psy_tzd_ops, NULL, 0, 0);
-			return PTR_ERR_OR_ZERO(psy->tzd);
+			if (IS_ERR(psy->tzd))
+				return PTR_ERR(psy->tzd);
+			ret = thermal_zone_device_enable(psy->tzd);
+			if (ret)
+				thermal_zone_device_unregister(psy->tzd);
+			return ret;
 		}
 	}
 	return 0;

drivers/thermal/armada_thermal.c

@@ -874,6 +874,12 @@ static int armada_thermal_probe(struct platform_device *pdev)
 			return PTR_ERR(tz);
 		}
 
+		ret = thermal_zone_device_enable(tz);
+		if (ret) {
+			thermal_zone_device_unregister(tz);
+			return ret;
+		}
+
 		drvdata->type = LEGACY;
 		drvdata->data.tz = tz;
 		platform_set_drvdata(pdev, drvdata);

drivers/thermal/dove_thermal.c

@@ -153,6 +153,12 @@ static int dove_thermal_probe(struct platform_device *pdev)
 		return PTR_ERR(thermal);
 	}
 
+	ret = thermal_zone_device_enable(thermal);
+	if (ret) {
+		thermal_zone_device_unregister(thermal);
+		return ret;
+	}
+
 	platform_set_drvdata(pdev, thermal);
 
 	return 0;

drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c

@@ -259,9 +259,14 @@ struct int34x_thermal_zone *int340x_thermal_zone_add(struct acpi_device *adev,
 		ret = PTR_ERR(int34x_thermal_zone->zone);
 		goto err_thermal_zone;
 	}
+	ret = thermal_zone_device_enable(int34x_thermal_zone->zone);
+	if (ret)
+		goto err_enable;
 
 	return int34x_thermal_zone;
 
+err_enable:
+	thermal_zone_device_unregister(int34x_thermal_zone->zone);
 err_thermal_zone:
 	acpi_lpat_free_conversion_table(int34x_thermal_zone->lpat_table);
 	kfree(int34x_thermal_zone->aux_trips);

drivers/thermal/intel/intel_pch_thermal.c

@@ -352,9 +352,14 @@ static int intel_pch_thermal_probe(struct pci_dev *pdev,
 		err = PTR_ERR(ptd->tzd);
 		goto error_cleanup;
 	}
+	err = thermal_zone_device_enable(ptd->tzd);
+	if (err)
+		goto err_unregister;
 
 	return 0;
 
+err_unregister:
+	thermal_zone_device_unregister(ptd->tzd);
 error_cleanup:
 	iounmap(ptd->hw_base);
 error_release:

drivers/thermal/intel/intel_soc_dts_iosf.c

@@ -329,6 +329,9 @@ static int add_dts_thermal_zone(int id, struct intel_soc_dts_sensor_entry *dts,
 		ret = PTR_ERR(dts->tzone);
 		goto err_ret;
 	}
+	ret = thermal_zone_device_enable(dts->tzone);
+	if (ret)
+		goto err_enable;
 
 	ret = soc_dts_enable(id);
 	if (ret)

drivers/thermal/intel/x86_pkg_temp_thermal.c

@@ -363,6 +363,12 @@ static int pkg_temp_thermal_device_add(unsigned int cpu)
 		kfree(zonedev);
 		return err;
 	}
+	err = thermal_zone_device_enable(zonedev->tzone);
+	if (err) {
+		thermal_zone_device_unregister(zonedev->tzone);
+		kfree(zonedev);
+		return err;
+	}
 	/* Store MSR value for package thermal interrupt, to restore at exit */
 	rdmsr(MSR_IA32_PACKAGE_THERM_INTERRUPT, zonedev->msr_pkg_therm_low,
 	      zonedev->msr_pkg_therm_high);