ACPI / CPPC: Add a helper to get desired performance

This patch add a helper to get the value of desired performance
register.

Signed-off-by: Xiongfeng Wang <[email protected]>
[ rjw: More white space ]
Signed-off-by: Rafael J. Wysocki <[email protected]>
This commit is contained in:
Xiongfeng Wang 2019-02-17 11:54:14 +08:00 • committed by Rafael J. Wysocki
commit 1757d05f31
2 changed files with 43 additions and 0 deletions

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@ -137,6 +137,7 @@ struct cppc_cpudata {
cpumask_var_t shared_cpu_map;
};
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);
extern int cppc_get_perf_caps(int cpu, struct cppc_perf_caps *caps);