drivers/cpufreq/Makefile

Source file repositories/reference/linux-study-clean/drivers/cpufreq/Makefile

File Facts

System
Linux kernel
Corpus path
drivers/cpufreq/Makefile
Extension
[no extension]
Size
5065 bytes
Lines
107
Domain
Driver Families
Bucket
drivers/cpufreq
Inferred role
Driver Families: build/configuration rule
Status
atlas-only

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.

Dependency Surface

Detected Declarations

Annotated Snippet

# SPDX-License-Identifier: GPL-2.0
# CPUfreq core
obj-$(CONFIG_CPU_FREQ)			+= cpufreq.o freq_table.o

# CPUfreq stats
obj-$(CONFIG_CPU_FREQ_STAT)             += cpufreq_stats.o

# CPUfreq governors 
obj-$(CONFIG_CPU_FREQ_GOV_PERFORMANCE)	+= cpufreq_performance.o
obj-$(CONFIG_CPU_FREQ_GOV_POWERSAVE)	+= cpufreq_powersave.o
obj-$(CONFIG_CPU_FREQ_GOV_USERSPACE)	+= cpufreq_userspace.o
obj-$(CONFIG_CPU_FREQ_GOV_ONDEMAND)	+= cpufreq_ondemand.o
obj-$(CONFIG_CPU_FREQ_GOV_CONSERVATIVE)	+= cpufreq_conservative.o
obj-$(CONFIG_CPU_FREQ_GOV_COMMON)		+= cpufreq_governor.o
obj-$(CONFIG_CPU_FREQ_GOV_ATTR_SET)	+= cpufreq_governor_attr_set.o

obj-$(CONFIG_CPUFREQ_DT)		+= cpufreq-dt.o
obj-$(CONFIG_CPUFREQ_DT_RUST)		+= rcpufreq_dt.o
obj-$(CONFIG_CPUFREQ_DT_PLATDEV)	+= cpufreq-dt-platdev.o
obj-$(CONFIG_CPUFREQ_VIRT)		+= virtual-cpufreq.o

# Traces
CFLAGS_amd-pstate-trace.o               := -I$(src)
CFLAGS_powernv-cpufreq.o                := -I$(src)
amd_pstate-y				:= amd-pstate.o amd-pstate-trace.o

##################################################################################
# x86 drivers.
# Link order matters. K8 is preferred to ACPI because of firmware bugs in early
# K8 systems. This is still the case but acpi-cpufreq errors out so that
# powernow-k8 can load then. ACPI is preferred to all other hardware-specific drivers.
# speedstep-* is preferred over p4-clockmod.

obj-$(CONFIG_X86_ACPI_CPUFREQ)		+= acpi-cpufreq.o
obj-$(CONFIG_X86_AMD_PSTATE)		+= amd_pstate.o
obj-$(CONFIG_X86_AMD_PSTATE_UT)		+= amd-pstate-ut.o
obj-$(CONFIG_X86_POWERNOW_K8)		+= powernow-k8.o
obj-$(CONFIG_X86_PCC_CPUFREQ)		+= pcc-cpufreq.o
obj-$(CONFIG_X86_POWERNOW_K6)		+= powernow-k6.o
obj-$(CONFIG_X86_POWERNOW_K7)		+= powernow-k7.o
obj-$(CONFIG_X86_LONGHAUL)		+= longhaul.o
obj-$(CONFIG_X86_E_POWERSAVER)		+= e_powersaver.o
obj-$(CONFIG_X86_LONGRUN)		+= longrun.o
obj-$(CONFIG_X86_GX_SUSPMOD)		+= gx-suspmod.o
obj-$(CONFIG_X86_SPEEDSTEP_ICH)		+= speedstep-ich.o
obj-$(CONFIG_X86_SPEEDSTEP_LIB)		+= speedstep-lib.o
obj-$(CONFIG_X86_SPEEDSTEP_SMI)		+= speedstep-smi.o
obj-$(CONFIG_X86_SPEEDSTEP_CENTRINO)	+= speedstep-centrino.o
obj-$(CONFIG_X86_P4_CLOCKMOD)		+= p4-clockmod.o
obj-$(CONFIG_X86_CPUFREQ_NFORCE2)	+= cpufreq-nforce2.o
obj-$(CONFIG_X86_INTEL_PSTATE)		+= intel_pstate.o
obj-$(CONFIG_X86_AMD_FREQ_SENSITIVITY)	+= amd_freq_sensitivity.o

##################################################################################
# ARM SoC drivers
obj-$(CONFIG_ARM_AIROHA_SOC_CPUFREQ)	+= airoha-cpufreq.o
obj-$(CONFIG_ARM_APPLE_SOC_CPUFREQ)	+= apple-soc-cpufreq.o
obj-$(CONFIG_ARM_ARMADA_37XX_CPUFREQ)	+= armada-37xx-cpufreq.o
obj-$(CONFIG_ARM_ARMADA_8K_CPUFREQ)	+= armada-8k-cpufreq.o
obj-$(CONFIG_ARM_BRCMSTB_AVS_CPUFREQ)	+= brcmstb-avs-cpufreq.o
obj-$(CONFIG_ACPI_CPPC_CPUFREQ)		+= cppc_cpufreq.o
obj-$(CONFIG_ARCH_DAVINCI)		+= davinci-cpufreq.o
obj-$(CONFIG_ARM_HIGHBANK_CPUFREQ)	+= highbank-cpufreq.o
obj-$(CONFIG_ARM_IMX6Q_CPUFREQ)		+= imx6q-cpufreq.o
obj-$(CONFIG_ARM_IMX_CPUFREQ_DT)	+= imx-cpufreq-dt.o
obj-$(CONFIG_ARM_KIRKWOOD_CPUFREQ)	+= kirkwood-cpufreq.o
obj-$(CONFIG_ARM_MEDIATEK_CPUFREQ)	+= mediatek-cpufreq.o
obj-$(CONFIG_ARM_MEDIATEK_CPUFREQ_HW)	+= mediatek-cpufreq-hw.o
obj-$(CONFIG_MACH_MVEBU_V7)		+= mvebu-cpufreq.o
obj-$(CONFIG_ARM_PXA2xx_CPUFREQ)	+= pxa2xx-cpufreq.o

Annotation

Implementation Notes