On Sat, Aug 30, 2025 at 7:34 AM Slawomir Rosek <srosek@xxxxxxxxxx> wrote: > > The Intel Dynamic Platform and Thermal Framework (DPTF) relies on > the INT340X ACPI device objects. The temperature information and > cooling ability are exposed to the userspace via those objects. > > Since kernel v3.17 the ACPI bus scan handler is introduced to prevent > enumeration of INT340X ACPI device objects on the platform bus unless > related thermal drivers are enabled. However, using the IS_ENABLED() > macro in the ACPI scan handler forces the kernel to be recompiled > when thermal drivers are enabled or disabled, which is a significant > limitation of its modularity. The IS_ENABLED() macro is particularly > problematic for the Android Generic Kernel Image (GKI) project which > uses unified core kernel while SoC/board support is moved to loadable > vendor modules. > > This patch set moves enumeration of INT340X ACPI device objects on > the platform bus from DPTF core to thermal drivers. It starts with > some code cleanup and reorganization to eventually remove IS_ENABLED() > macro from the ACPI bus scan handler. Brief list of changes is listed > below: > > 1) Remove SOC DTS thermal driver case from the ACPI scan handler > since its dependency on INT340X driver is unrelated to DPTF > 2) Move all INT340X ACPI device ids to the common header and update > the DPTF core and thermal drivers accordingly > 3) Move dynamic enumeration of ACPI device objects on the platform bus > from the intel-hid and intel-vbtn drivers to the ACPI platform core > 4) Move enumeration of INT340X ACPI device objects on the platform bus > from DPTF core to thermal drivers using ACPI platform core methods > > > Slawomir Rosek (12): > ACPI: DPTF: Ignore SoC DTS thermal while scanning > ACPI: DPTF: Move INT3400 device IDs to header > ACPI: DPTF: Move INT3401 device IDs to header > ACPI: DPTF: Move INT3402 device IDs to header > ACPI: DPTF: Move INT3403 device IDs to header > ACPI: DPTF: Move INT3404 device IDs to header > ACPI: DPTF: Move INT3406 device IDs to header > ACPI: DPTF: Move INT3407 device IDs to header Please avoid sending multiple patches with the same subject, especially in one patch series. Thanks! > ACPI: DPTF: Move PCH FIVR device IDs to header > ACPI: DPTF: Remove not supported INT340X IDs > ACPI: platform: Add macro for acpi platform driver > ACPI: DPTF: Move INT340X enumeration to modules > > drivers/acpi/acpi_platform.c | 27 +++++++ > drivers/acpi/dptf/dptf_pch_fivr.c | 10 +-- > drivers/acpi/dptf/dptf_power.c | 20 +---- > drivers/acpi/dptf/int340x_thermal.c | 76 ++++--------------- > drivers/acpi/fan.h | 10 +-- > drivers/acpi/fan_core.c | 2 +- > drivers/acpi/int340x_thermal.h | 76 +++++++++++++++++++ > drivers/platform/x86/intel/hid.c | 41 +--------- > drivers/platform/x86/intel/vbtn.c | 30 +------- > drivers/thermal/intel/Kconfig | 1 + > .../intel/int340x_thermal/int3400_thermal.c | 12 +-- > .../intel/int340x_thermal/int3401_thermal.c | 5 +- > .../intel/int340x_thermal/int3402_thermal.c | 5 +- > .../intel/int340x_thermal/int3403_thermal.c | 12 +-- > .../intel/int340x_thermal/int3406_thermal.c | 5 +- > include/linux/platform_device.h | 17 +++++ > 16 files changed, 161 insertions(+), 188 deletions(-) > create mode 100644 drivers/acpi/int340x_thermal.h > > --
