linux-kernel - RE: [PATCH v2 10/14] cpufreq: cpufreq: export cpufreq cpu release and acquire

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Date:   Mon, 11 Jul 2022 01:39:08 +0000
From:   "Yuan, Perry" <Perry.Yuan@....com>
To:     Viresh Kumar <viresh.kumar@...aro.org>
CC:     "rafael.j.wysocki@...el.com" <rafael.j.wysocki@...el.com>,
        "Huang, Ray" <Ray.Huang@....com>,
        "Sharma, Deepak" <Deepak.Sharma@....com>,
        "Limonciello, Mario" <Mario.Limonciello@....com>,
        "Fontenot, Nathan" <Nathan.Fontenot@....com>,
        "Deucher, Alexander" <Alexander.Deucher@....com>,
        "Su, Jinzhou (Joe)" <Jinzhou.Su@....com>,
        "Huang, Shimmer" <Shimmer.Huang@....com>,
        "Du, Xiaojian" <Xiaojian.Du@....com>,
        "Meng, Li (Jassmine)" <Li.Meng@....com>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v2 10/14] cpufreq: cpufreq: export cpufreq cpu release and
 acquire

[AMD Official Use Only - General]

Hi Viresh:

> -----Original Message-----
> From: Viresh Kumar <viresh.kumar@...aro.org>
> Sent: Monday, July 11, 2022 8:40 AM
> To: Yuan, Perry <Perry.Yuan@....com>
> Cc: rafael.j.wysocki@...el.com; Huang, Ray <Ray.Huang@....com>;
> Sharma, Deepak <Deepak.Sharma@....com>; Limonciello, Mario
> <Mario.Limonciello@....com>; Fontenot, Nathan
> <Nathan.Fontenot@....com>; Deucher, Alexander
> <Alexander.Deucher@....com>; Su, Jinzhou (Joe) <Jinzhou.Su@....com>;
> Huang, Shimmer <Shimmer.Huang@....com>; Du, Xiaojian
> <Xiaojian.Du@....com>; Meng, Li (Jassmine) <Li.Meng@....com>; linux-
> pm@...r.kernel.org; linux-kernel@...r.kernel.org
> Subject: Re: [PATCH v2 10/14] cpufreq: cpufreq: export cpufreq cpu release
> and acquire
> 
> [CAUTION: External Email]
> 
> On 09-07-22, 10:19, Perry Yuan wrote:
> > "cpufreq_cpu_release" and "cpufreq_cpu_acquire" are only used
> > internally by drivers/cpufreq/cpufreq.c currently.
> > Export them so that other drivers such as the AMD P-state driver can use
> them as well.
> 
> I don't see your driver using them, what am I missing ?
> 
> --
> viresh

The amd-pstate for EPP mode is under testing, I will push that patchset in a few days for reviewing.
If this patch makes confusing, maybe I need to move this patch to coming patchset.

Perry.