[PATCH v2 3/3] cpufreq: CPPC: Register EM based on efficiency class information

Pierre Gondois pierre.gondois at arm.com
Mon Apr 11 03:33:08 PDT 2022


Hello Viresh,

On 4/11/22 05:12, Viresh Kumar wrote:
> On 07-04-22, 10:16, Pierre Gondois wrote:
>> +static void cppc_cpufreq_register_em(struct cpufreq_policy *policy)
>> +{
>> +	struct cppc_cpudata *cpu_data;
>> +	struct em_data_callback em_cb =
>> +		EM_ADV_DATA_CB(cppc_get_cpu_power, cppc_get_cpu_cost);
>> +
>> +	if (!efficiency_class_populated)
> 
> Instead of a new variable for this, what about setting
> cppc_cpufreq_driver.register_em = cppc_cpufreq_register_em, only if
> you were able to populate the efficiency class in the first place ?
> 

Yes right, this would be better,
Regards,
Pierre



More information about the linux-arm-kernel mailing list