drivers/acpi/thermal.c

File Facts

System

Linux kernel

Corpus path

drivers/acpi/thermal.c

Extension

.c

Size

26639 bytes

Lines

1054

Domain

Driver Families

Bucket

drivers/acpi

Inferred role

Driver Families: exported/initcall integration point

Status

integration implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

• Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.
• Exports symbols or registers init work; inspect boot/module ordering and who consumes the exported contract.
• Uses kernel synchronization; read lock ordering, sleepability, and interrupt context assumptions before translating.
• Allocates kernel memory; connect allocation flags and lifetime to context constraints.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/kernel.h
• linux/module.h
• linux/dmi.h
• linux/init.h
• linux/slab.h
• linux/types.h
• linux/jiffies.h
• linux/kmod.h
• linux/reboot.h
• linux/device.h
• linux/platform_device.h
• linux/thermal.h
• linux/acpi.h
• linux/workqueue.h
• linux/uaccess.h
• linux/units.h
• internal.h

Detected Declarations

• struct acpi_thermal_trip
• struct acpi_thermal_passive
• struct acpi_thermal_active
• struct acpi_thermal_trips
• struct acpi_thermal
• struct adjust_trip_data
• function acpi_thermal_get_temperature
• function acpi_thermal_get_polling_frequency
• function acpi_thermal_temp
• function acpi_thermal_trip_valid
• function active_trip_index
• function get_passive_temp
• function get_active_temp
• function acpi_thermal_update_trip
• function update_trip_devices
• function acpi_thermal_update_trip_devices
• function acpi_thermal_adjust_trip
• function acpi_queue_thermal_check
• function acpi_thermal_trips_update
• function acpi_thermal_get_critical_trip
• function acpi_thermal_get_hot_trip
• function passive_trip_params_init
• function acpi_thermal_init_trip
• function acpi_thermal_get_trip_points
• function thermal_get_temp
• function thermal_get_trend
• function acpi_thermal_zone_device_hot
• function acpi_thermal_zone_device_critical
• function acpi_thermal_should_bind_cdev
• function acpi_thermal_zone_sysfs_add
• function acpi_thermal_zone_sysfs_remove
• function acpi_thermal_register_thermal_zone
• function acpi_thermal_zone_unregister
• function acpi_thermal_notify
• function acpi_thermal_aml_dependency_fix
• function acpi_thermal_guess_offset
• function acpi_thermal_check_fn
• function acpi_thermal_zone_free
• function acpi_thermal_probe
• function acpi_thermal_prepare
• function acpi_thermal_complete
• function thermal_act
• function thermal_nocrt
• function thermal_tzp
• function thermal_psv
• function acpi_thermal_init
• function acpi_thermal_exit
• module init acpi_thermal_init

Annotated Snippet

module_init(acpi_thermal_init);
module_exit(acpi_thermal_exit);

MODULE_IMPORT_NS("ACPI_THERMAL");
MODULE_AUTHOR("Paul Diefenbaugh");
MODULE_DESCRIPTION("ACPI Thermal Zone Driver");
MODULE_LICENSE("GPL");

Annotation

• Immediate include surface: `linux/kernel.h`, `linux/module.h`, `linux/dmi.h`, `linux/init.h`, `linux/slab.h`, `linux/types.h`, `linux/jiffies.h`, `linux/kmod.h`.
• Detected declarations: `struct acpi_thermal_trip`, `struct acpi_thermal_passive`, `struct acpi_thermal_active`, `struct acpi_thermal_trips`, `struct acpi_thermal`, `struct adjust_trip_data`, `function acpi_thermal_get_temperature`, `function acpi_thermal_get_polling_frequency`, `function acpi_thermal_temp`, `function acpi_thermal_trip_valid`.
• Atlas domain: Driver Families / drivers/acpi.
• Implementation status: integration implementation candidate.
• Synchronization appears in or near this file; preserve lock ordering, sleepability, and interrupt-context constraints.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.