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thermal: ACPI: Move the ACPI thermal library to drivers/acpi/

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The ACPI thermal library contains functions that can be used to
retrieve trip point temperature values through the platform firmware
for various types of trip points.  Each of these functions basically
evaluates a specific ACPI object, checks if the value produced by it
is reasonable and returns it (or THERMAL_TEMP_INVALID if anything
fails).

It made sense to hold it in drivers/thermal/ so long as it was only used
by the code in that directory, but since it is also going to be used by
the ACPI thermal driver located in drivers/acpi/, move it to the latter
in order to keep the code related to evaluating ACPI objects defined in
the specification proper together.

No intentional functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rafael J. Wysocki 2023-10-17 22:05:23 +02:00
parent 98b1cc82c4
commit f475079881
9 changed files with 15 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/acpi/Kconfig
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@ -61,6 +61,10 @@ config ACPI_CCA_REQUIRED
config ACPI_TABLE_LIB
bool
config ACPI_THERMAL_LIB
depends on THERMAL
bool
config ACPI_DEBUGGER
bool "AML debugger interface"
select ACPI_DEBUG
@ -327,6 +331,7 @@ config ACPI_THERMAL
tristate "Thermal Zone"
depends on ACPI_PROCESSOR
select THERMAL
select ACPI_THERMAL_LIB
default y
help
This driver supports ACPI thermal zones. Most mobile and

1
drivers/acpi/Makefile
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@ -89,6 +89,7 @@ obj-$(CONFIG_ACPI_TAD) += acpi_tad.o
obj-$(CONFIG_ACPI_PCI_SLOT) += pci_slot.o
obj-$(CONFIG_ACPI_PROCESSOR) += processor.o
obj-$(CONFIG_ACPI) += container.o
obj-$(CONFIG_ACPI_THERMAL_LIB) += thermal_lib.o
obj-$(CONFIG_ACPI_THERMAL) += thermal.o
obj-$(CONFIG_ACPI_PLATFORM_PROFILE) += platform_profile.o
obj-$(CONFIG_ACPI_NFIT) += nfit/

0
drivers/thermal/thermal_acpi.c → drivers/acpi/thermal_lib.c
View File

4
drivers/thermal/Kconfig
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@ -76,10 +76,6 @@ config THERMAL_OF
Say 'Y' here if you need to build thermal infrastructure
based on device tree.
config THERMAL_ACPI
depends on ACPI
bool
config THERMAL_WRITABLE_TRIPS
bool "Enable writable trip points"
help

1
drivers/thermal/Makefile
View File

@ -13,7 +13,6 @@ thermal_sys-$(CONFIG_THERMAL_NETLINK) += thermal_netlink.o
# interface to/from other layers providing sensors
thermal_sys-$(CONFIG_THERMAL_HWMON) += thermal_hwmon.o
thermal_sys-$(CONFIG_THERMAL_OF) += thermal_of.o
thermal_sys-$(CONFIG_THERMAL_ACPI) += thermal_acpi.o
# governors
CFLAGS_gov_power_allocator.o := -I$(src)

2
drivers/thermal/intel/Kconfig
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@ -85,7 +85,7 @@ config INTEL_BXT_PMIC_THERMAL
config INTEL_PCH_THERMAL
tristate "Intel PCH Thermal Reporting Driver"
depends on X86 && PCI
select THERMAL_ACPI if ACPI
select ACPI_THERMAL_LIB if ACPI
help
Enable this to support thermal reporting on certain intel PCHs.
Thermal reporting device will provide temperature reading,

2
drivers/thermal/intel/int340x_thermal/Kconfig
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@ -9,7 +9,7 @@ config INT340X_THERMAL
select THERMAL_GOV_USER_SPACE
select ACPI_THERMAL_REL
select ACPI_FAN
select THERMAL_ACPI
select ACPI_THERMAL_LIB
select INTEL_SOC_DTS_IOSF_CORE
select INTEL_TCC
select PROC_THERMAL_MMIO_RAPL if POWERCAP

7
include/linux/acpi.h
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@ -424,6 +424,13 @@ extern int acpi_blacklisted(void);
extern void acpi_osi_setup(char *str);
extern bool acpi_osi_is_win8(void);
#ifdef CONFIG_ACPI_THERMAL_LIB
int thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp);
int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp);
int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp);
int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp);
#endif
#ifdef CONFIG_ACPI_NUMA
int acpi_map_pxm_to_node(int pxm);
int acpi_get_node(acpi_handle handle);

7
include/linux/thermal.h
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@ -294,13 +294,6 @@ int thermal_zone_get_num_trips(struct thermal_zone_device *tz);
int thermal_zone_get_crit_temp(struct thermal_zone_device *tz, int *temp);
#ifdef CONFIG_THERMAL_ACPI
int thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp);
int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp);
int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp);
int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp);
#endif
#ifdef CONFIG_THERMAL
struct thermal_zone_device *thermal_zone_device_register_with_trips(
const char *type,