diff options
Diffstat (limited to 'include/acpi/cppc_acpi.h')
| -rw-r--r-- | include/acpi/cppc_acpi.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/include/acpi/cppc_acpi.h b/include/acpi/cppc_acpi.h index c7fc4524e151..9f4985b4d64d 100644 --- a/include/acpi/cppc_acpi.h +++ b/include/acpi/cppc_acpi.h @@ -11,6 +11,7 @@ #define _CPPC_ACPI_H #include <linux/acpi.h> +#include <linux/cpufreq.h> #include <linux/types.h> #include <acpi/pcc.h> @@ -132,6 +133,7 @@ struct cppc_cpudata { cpumask_var_t shared_cpu_map; }; +#ifdef CONFIG_ACPI_CPPC_LIB extern int cppc_get_desired_perf(int cpunum, u64 *desired_perf); extern int cppc_get_perf_ctrs(int cpu, struct cppc_perf_fb_ctrs *perf_fb_ctrs); extern int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls); @@ -142,5 +144,43 @@ extern unsigned int cppc_get_transition_latency(int cpu); extern bool cpc_ffh_supported(void); extern int cpc_read_ffh(int cpunum, struct cpc_reg *reg, u64 *val); extern int cpc_write_ffh(int cpunum, struct cpc_reg *reg, u64 val); +#else /* !CONFIG_ACPI_CPPC_LIB */ +static inline int cppc_get_desired_perf(int cpunum, u64 *desired_perf) +{ + return -ENOTSUPP; +} +static inline int cppc_get_perf_ctrs(int cpu, struct cppc_perf_fb_ctrs *perf_fb_ctrs) +{ + return -ENOTSUPP; +} +static inline int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls) +{ + return -ENOTSUPP; +} +static inline int cppc_get_perf_caps(int cpu, struct cppc_perf_caps *caps) +{ + return -ENOTSUPP; +} +static inline bool acpi_cpc_valid(void) +{ + return false; +} +static inline unsigned int cppc_get_transition_latency(int cpu) +{ + return CPUFREQ_ETERNAL; +} +static inline bool cpc_ffh_supported(void) +{ + return false; +} +static inline int cpc_read_ffh(int cpunum, struct cpc_reg *reg, u64 *val) +{ + return -ENOTSUPP; +} +static inline int cpc_write_ffh(int cpunum, struct cpc_reg *reg, u64 val) +{ + return -ENOTSUPP; +} +#endif /* !CONFIG_ACPI_CPPC_LIB */ #endif /* _CPPC_ACPI_H*/ |