thermal.c (1ee14820fd8ee79c4fc191155f48c985f28040e2) thermal.c (7f4957be0d5b83c8964491863202136c916107ae)
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * acpi_thermal.c - ACPI Thermal Zone Driver ($Revision: 41 $)
4 *
5 * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
6 * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
7 *
8 * This driver fully implements the ACPI thermal policy as described in the

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494 }
495 return 0;
496}
497
498static void acpi_thermal_check(void *data)
499{
500 struct acpi_thermal *tz = data;
501
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * acpi_thermal.c - ACPI Thermal Zone Driver ($Revision: 41 $)
4 *
5 * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
6 * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
7 *
8 * This driver fully implements the ACPI thermal policy as described in the

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494 }
495 return 0;
496}
497
498static void acpi_thermal_check(void *data)
499{
500 struct acpi_thermal *tz = data;
501
502 if (tz->thermal_zone->mode != THERMAL_DEVICE_ENABLED)
502 if (!thermal_zone_device_is_enabled(tz->thermal_zone))
503 return;
504
505 thermal_zone_device_update(tz->thermal_zone,
506 THERMAL_EVENT_UNSPECIFIED);
507}
508
509/* sys I/F for generic thermal sysfs support */
510

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537 mode != THERMAL_DEVICE_ENABLED)
538 return -EINVAL;
539 /*
540 * enable/disable thermal management from ACPI thermal driver
541 */
542 if (mode == THERMAL_DEVICE_DISABLED)
543 pr_warn("thermal zone will be disabled\n");
544
503 return;
504
505 thermal_zone_device_update(tz->thermal_zone,
506 THERMAL_EVENT_UNSPECIFIED);
507}
508
509/* sys I/F for generic thermal sysfs support */
510

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537 mode != THERMAL_DEVICE_ENABLED)
538 return -EINVAL;
539 /*
540 * enable/disable thermal management from ACPI thermal driver
541 */
542 if (mode == THERMAL_DEVICE_DISABLED)
543 pr_warn("thermal zone will be disabled\n");
544
545 if (mode != tz->thermal_zone->mode) {
546 tz->thermal_zone->mode = mode;
547 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
548 "%s kernel ACPI thermal control\n",
549 tz->thermal_zone->mode == THERMAL_DEVICE_ENABLED ?
550 "Enable" : "Disable"));
551 acpi_thermal_check(tz);
552 }
545 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
546 "%s kernel ACPI thermal control\n",
547 mode == THERMAL_DEVICE_ENABLED ?
548 "Enable" : "Disable"));
549
553 return 0;
554}
555
556static int thermal_get_trip_type(struct thermal_zone_device *thermal,
557 int trip, enum thermal_trip_type *type)
558{
559 struct acpi_thermal *tz = thermal->devdata;
560 int i;

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892
893 status = acpi_bus_attach_private_data(tz->device->handle,
894 tz->thermal_zone);
895 if (ACPI_FAILURE(status)) {
896 result = -ENODEV;
897 goto remove_dev_link;
898 }
899
550 return 0;
551}
552
553static int thermal_get_trip_type(struct thermal_zone_device *thermal,
554 int trip, enum thermal_trip_type *type)
555{
556 struct acpi_thermal *tz = thermal->devdata;
557 int i;

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889
890 status = acpi_bus_attach_private_data(tz->device->handle,
891 tz->thermal_zone);
892 if (ACPI_FAILURE(status)) {
893 result = -ENODEV;
894 goto remove_dev_link;
895 }
896
900 tz->thermal_zone->mode = THERMAL_DEVICE_ENABLED;
897 result = thermal_zone_device_enable(tz->thermal_zone);
898 if (result)
899 goto acpi_bus_detach;
901
902 dev_info(&tz->device->dev, "registered as thermal_zone%d\n",
903 tz->thermal_zone->id);
904
905 return 0;
906
900
901 dev_info(&tz->device->dev, "registered as thermal_zone%d\n",
902 tz->thermal_zone->id);
903
904 return 0;
905
906acpi_bus_detach:
907 acpi_bus_detach_private_data(tz->device->handle);
907remove_dev_link:
908 sysfs_remove_link(&tz->thermal_zone->device.kobj, "device");
909remove_tz_link:
910 sysfs_remove_link(&tz->device->dev.kobj, "thermal_zone");
911unregister_tzd:
912 thermal_zone_device_unregister(tz->thermal_zone);
913
914 return result;

--- 349 unchanged lines hidden --- 		908remove_dev_link:
909 sysfs_remove_link(&tz->thermal_zone->device.kobj, "device");
910remove_tz_link:
911 sysfs_remove_link(&tz->device->dev.kobj, "thermal_zone");
912unregister_tzd:
913 thermal_zone_device_unregister(tz->thermal_zone);
914
915 return result;

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