From: Rafael J. Wysocki Date: Fri, 30 Sep 2016 01:13:34 +0000 (+0200) Subject: cpufreq: intel_pstate: Clarify comment in get_target_pstate_use_performance() X-Git-Tag: v4.9-rc1~19^2^2~5 X-Git-Url: http://git.cascardo.eti.br/?p=cascardo%2Flinux.git;a=commitdiff_plain;h=f00593a4bdd22e0885db89df8ee8afcc6867994f cpufreq: intel_pstate: Clarify comment in get_target_pstate_use_performance() Make the comment explaining the meaning of the perf_scaled variable in get_target_pstate_use_performance() more straightforward. Signed-off-by: Rafael J. Wysocki --- diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index bc976a3db253..1c7b91c5805b 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -1251,10 +1251,11 @@ static inline int32_t get_target_pstate_use_performance(struct cpudata *cpu) u64 duration_ns; /* - * perf_scaled is the average performance during the last sampling - * period scaled by the ratio of the maximum P-state to the P-state - * requested last time (in percent). That measures the system's - * response to the previous P-state selection. + * perf_scaled is the ratio of the average P-state during the last + * sampling period to the P-state requested last time (in percent). + * + * That measures the system's response to the previous P-state + * selection. */ max_pstate = cpu->pstate.max_pstate_physical; current_pstate = cpu->pstate.current_pstate;