diff options
| author | Ashwin Chaugule <ashwin.chaugule@linaro.org> | 2015-09-09 22:27:07 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-10-12 23:08:04 +0200 |
| commit | 4f2f757351df44c7109a7b93653bed9b8fe10e6b (patch) | |
| tree | 53e27f99f467e0cdeb8502a3542d19de230cd9ce /include/acpi | |
| parent | ACPI: Add weak routines for ACPI CPU Hotplug (diff) | |
| download | linux-4f2f757351df44c7109a7b93653bed9b8fe10e6b.tar.xz linux-4f2f757351df44c7109a7b93653bed9b8fe10e6b.zip | |
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 <ashwin.chaugule@linaro.org>
Reviewed-by: Al Stone <al.stone@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/acpi')
| -rw-r--r-- | include/acpi/processor.h | 14 |
1 files changed, 14 insertions, 0 deletions
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); |