linux-kernel - Re: [PATCH v11 2/2] cpufreq: qcom-hw: Add support for QCOM cpufreq HW driver

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Message-ID: <99d25f02-e595-d4e8-25c4-3c4c206f79a6@codeaurora.org>
Date:   Tue, 4 Dec 2018 14:57:19 +0530
From:   Taniya Das <tdas@...eaurora.org>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        Stephen Boyd <sboyd@...nel.org>,
        Rajendra Nayak <rnayak@...eaurora.org>,
        devicetree@...r.kernel.org, robh@...nel.org,
        skannan@...eaurora.org, linux-arm-msm@...r.kernel.org,
        evgreen@...gle.com, Stephen Boyd <swboyd@...omium.org>
Subject: Re: [PATCH v11 2/2] cpufreq: qcom-hw: Add support for QCOM cpufreq HW
 driver

Hello Viresh,

On 12/4/2018 10:42 AM, Viresh Kumar wrote:
> Hi Taniya,
> 
> Sorry that I haven't been reviewing it much from last few iterations as I was
> letting others get this into a better shape. Thanks for your efforts..
> 
> On 02-12-18, 09:25, Taniya Das wrote:
>> +++ b/drivers/cpufreq/qcom-cpufreq-hw.c
> 
>> +struct cpufreq_qcom {
>> +	struct cpufreq_frequency_table *table;
>> +	void __iomem *perf_state_reg;
>> +	cpumask_t related_cpus;
>> +};
>> +
>> +static struct cpufreq_qcom *qcom_freq_domain_map[NR_CPUS];
> 
> Now that the code is much more simplified, I am not sure if you need this
> per-cpu structure at all. The only place where you are using it is in
> qcom_cpufreq_hw_cpu_init() and probe(). Why not merge qcom_cpu_resources_init()
> completely into qcom_cpufreq_hw_cpu_init() and get rid of this structure
> entirely ?
> 

Yes, we still would require the per-cpu.

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