From 4f2f757351df44c7109a7b93653bed9b8fe10e6b Mon Sep 17 00:00:00 2001 From: Ashwin Chaugule Date: Wed, 9 Sep 2015 16:27:07 -0400 Subject: CPPC: Probe for CPPC tables for each ACPI Processor object For each detected ACPI Processor object (ACPI0007), search its device handle for CPPC specific tables (i.e. _CPC) and extract CPU specific performance capabilities. Signed-off-by: Ashwin Chaugule Reviewed-by: Al Stone Signed-off-by: Rafael J. Wysocki --- include/acpi/processor.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'include/acpi/processor.h') diff --git a/include/acpi/processor.h b/include/acpi/processor.h index ff5f135f16b1..07fb100bcc68 100644 --- a/include/acpi/processor.h +++ b/include/acpi/processor.h @@ -311,6 +311,20 @@ phys_cpuid_t acpi_get_phys_id(acpi_handle, int type, u32 acpi_id); int acpi_map_cpuid(phys_cpuid_t phys_id, u32 acpi_id); int acpi_get_cpuid(acpi_handle, int type, u32 acpi_id); +#ifdef CONFIG_ACPI_CPPC_LIB +extern int acpi_cppc_processor_probe(struct acpi_processor *pr); +extern void acpi_cppc_processor_exit(struct acpi_processor *pr); +#else +static inline int acpi_cppc_processor_probe(struct acpi_processor *pr) +{ + return 0; +} +static inline void acpi_cppc_processor_exit(struct acpi_processor *pr) +{ + return; +} +#endif /* CONFIG_ACPI_CPPC_LIB */ + /* in processor_pdc.c */ void acpi_processor_set_pdc(acpi_handle handle); -- cgit v1.2.3-59-g8ed1b