linux-kernel - Re: [Patch v5 2/6] soc: qcom: rpmhpd: Introduce function to retrieve power domain performance state count

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Date:   Mon, 30 Mar 2020 10:41:04 -0400
From:   Thara Gopinath <thara.gopinath@...aro.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     rui.zhang@...el.com, ulf.hansson@...aro.org,
        daniel.lezcano@...aro.org, agross@...nel.org, robh@...nel.org,
        amit.kucheria@...durent.com, mark.rutland@....com,
        rjw@...ysocki.net, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [Patch v5 2/6] soc: qcom: rpmhpd: Introduce function to retrieve
 power domain performance state count



On 3/27/20 6:15 PM, Bjorn Andersson wrote:
> On Thu 19 Mar 18:41 PDT 2020, Thara Gopinath wrote:
> 
>> Populate .get_performace_state_count in genpd ops to retrieve the count of
>> performance states supported by a rpmh power domain.
>>
>> Reviewed-by: Ulf Hansson <ulf.hansson@...aro.org>
>> Signed-off-by: Thara Gopinath <thara.gopinath@...aro.org>
>> ---
>>   drivers/soc/qcom/rpmhpd.c | 9 +++++++++
>>   1 file changed, 9 insertions(+)
>>
>> diff --git a/drivers/soc/qcom/rpmhpd.c b/drivers/soc/qcom/rpmhpd.c
>> index 4d264d0672c4..7142409a3b77 100644
>> --- a/drivers/soc/qcom/rpmhpd.c
>> +++ b/drivers/soc/qcom/rpmhpd.c
>> @@ -341,6 +341,13 @@ static unsigned int rpmhpd_get_performance_state(struct generic_pm_domain *genpd
>>   	return dev_pm_opp_get_level(opp);
>>   }
>>   
>> +static int rpmhpd_performance_states_count(struct generic_pm_domain *domain)
>> +{
>> +	struct rpmhpd *pd = domain_to_rpmhpd(domain);
>> +
>> +	return pd->level_count;
>> +}
>> +
>>   static int rpmhpd_update_level_mapping(struct rpmhpd *rpmhpd)
>>   {
>>   	int i;
>> @@ -429,6 +436,8 @@ static int rpmhpd_probe(struct platform_device *pdev)
>>   		rpmhpds[i]->pd.power_on = rpmhpd_power_on;
>>   		rpmhpds[i]->pd.set_performance_state = rpmhpd_set_performance_state;
>>   		rpmhpds[i]->pd.opp_to_performance_state = rpmhpd_get_performance_state;
>> +		rpmhpds[i]->pd.get_performance_state_count =
>> +					rpmhpd_performance_states_count;
> 
> I would prefer if you ignore the 80-char limit here and leave the line
> unwrapped.

Hi Bjorn,

Thanks for the reviews. I will fix this  in the next version.

> 
> Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> 
> Regards,
> Bjorn
> 
>>   		pm_genpd_init(&rpmhpds[i]->pd, NULL, true);
>>   
>>   		data->domains[i] = &rpmhpds[i]->pd;
>> -- 
>> 2.20.1
>>

-- 
Warm Regards
Thara