linux-kernel - Re: [PATCH v3] cpufreq: qcom: Read voltage LUT and populate OPP

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Date:   Thu, 17 Jan 2019 16:30:37 +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>,
        linux-arm-msm@...r.kernel.org, amit.kucheria@...aro.org,
        Matthias Kaehlcke <mka@...omium.org>, evgreen@...gle.com
Subject: Re: [PATCH v3] cpufreq: qcom: Read voltage LUT and populate OPP



On 1/17/2019 12:57 PM, Viresh Kumar wrote:
> On 17-01-19, 12:38, Taniya Das wrote:
>> @@ -159,10 +170,18 @@ static int qcom_cpufreq_hw_cpu_init(struct cpufreq_policy *policy)
>>   	struct device *dev = &global_pdev->dev;
>>   	struct of_phandle_args args;
>>   	struct device_node *cpu_np;
>> +	struct device *cpu_dev;
>>   	struct resource *res;
>>   	void __iomem *base;
>>   	int ret, index;
>>
>> +	cpu_dev = get_cpu_device(policy->cpu);
>> +	if (!cpu_dev) {
>> +		pr_err("%s: failed to get cpu%d device\n", __func__,
>> +		       policy->cpu);
>> +		return -ENODEV;
>> +	}
>> +
>>   	cpu_np = of_cpu_device_node_get(policy->cpu);
>>   	if (!cpu_np)
>>   		return -EINVAL;
>> @@ -199,12 +218,18 @@ static int qcom_cpufreq_hw_cpu_init(struct cpufreq_policy *policy)
>>
>>   	policy->driver_data = base + REG_PERF_STATE;
>>
>> -	ret = qcom_cpufreq_hw_read_lut(dev, policy, base);
>> +	ret = qcom_cpufreq_hw_read_lut(policy, base);
> 
> I asked you to pass cpu_dev here instead of dev and you said okay in
> the previous version of the patch. Didn't like it ?
> 

:(, sent the next patch for review.

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