linux-kernel - Re: [PATCH 1/7] cpufreq: intel_pstate: Remove duplicate CPU ID check

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Date:	Tue, 10 Jun 2014 10:14:29 -0700
From:	Dirk Brandewie <dirk.brandewie@...il.com>
To:	Viresh Kumar <viresh.kumar@...aro.org>,
	Stratos Karafotis <stratosk@...aphore.gr>
CC:	dirk.j.brandewie@...el.com,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/7] cpufreq: intel_pstate: Remove duplicate CPU ID check

On 06/09/2014 10:21 PM, Viresh Kumar wrote:
> On 10 June 2014 02:30, Stratos Karafotis <stratosk@...aphore.gr> wrote:
>> We check the CPU ID during driver init. There is no need
>> to do it again per logical CPU initialization.
>>
>> So, remove the duplicate check.
>>
>> Signed-off-by: Stratos Karafotis <stratosk@...aphore.gr>
>> ---
>>   drivers/cpufreq/intel_pstate.c | 6 ------
>>   1 file changed, 6 deletions(-)
>>
>> diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
>> index aebd457..4e7f492 100644
>> --- a/drivers/cpufreq/intel_pstate.c
>> +++ b/drivers/cpufreq/intel_pstate.c
>> @@ -691,14 +691,8 @@ MODULE_DEVICE_TABLE(x86cpu, intel_pstate_cpu_ids);
>>
>>   static int intel_pstate_init_cpu(unsigned int cpunum)
>>   {
>> -
>> -       const struct x86_cpu_id *id;
>>          struct cpudata *cpu;
>>
>> -       id = x86_match_cpu(intel_pstate_cpu_ids);
>> -       if (!id)
>> -               return -ENODEV;
>> -
>>          all_cpu_data[cpunum] = kzalloc(sizeof(struct cpudata), GFP_KERNEL);
>>          if (!all_cpu_data[cpunum])
>>                  return -ENOMEM;
>
> Acked-by: Viresh Kumar <viresh.kumar@...aro.org>
>
Acked-by: Dirk Brandewie <dirk.j.brandewie@...el.com>

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