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-rw-r--r--drivers/acpi/Kconfig20
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 706c2e95503f..25dbb76c02cc 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -206,11 +206,25 @@ config ACPI_PROCESSOR_IDLE
bool
select CPU_IDLE
+config ACPI_CPPC_LIB
+ bool
+ depends on ACPI_PROCESSOR
+ depends on !ACPI_CPU_FREQ_PSS
+ select MAILBOX
+ select PCC
+ help
+ If this option is enabled, this file implements common functionality
+ to parse CPPC tables as described in the ACPI 5.1+ spec. The
+ routines implemented are meant to be used by other
+ drivers to control CPU performance using CPPC semantics.
+ If your platform does not support CPPC in firmware,
+ leave this option disabled.
+
config ACPI_PROCESSOR
tristate "Processor"
- depends on X86 || IA64
- select ACPI_PROCESSOR_IDLE
- select ACPI_CPU_FREQ_PSS
+ depends on X86 || IA64 || ARM64
+ select ACPI_PROCESSOR_IDLE if X86 || IA64
+ select ACPI_CPU_FREQ_PSS if X86 || IA64
default y
help
This driver adds support for the ACPI Processor package. It is required