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From: Lukasz Luba <lukasz.luba@arm.com>
To: Dietmar Eggemann <dietmar.eggemann@arm.com>,
	linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
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	ionela.voinescu@arm.com
Subject: Re: [PATCH 1/4] PM / EM: and devices to Energy Model
Date: Mon, 20 Jan 2020 15:36:46 +0000
Message-ID: <38307e88-f7ff-bc2a-bbce-5e508e275526@arm.com> (raw)
In-Reply-To: <d0b90b97-3604-d4f4-b873-3879a9221532@arm.com>



On 1/20/20 3:11 PM, Dietmar Eggemann wrote:
> On 20/01/2020 15:53, Dietmar Eggemann wrote:
>> On 16/01/2020 16:20, lukasz.luba@arm.com wrote:
>>> From: Lukasz Luba <lukasz.luba@arm.com>
> 
> [...]
> 
>>> +enum em_type {
>>> +	EM_SIMPLE,
>>> +	EM_CPU,
>>> +};
>>
>> s/EM_SIMPLE/EM_DEV ?
>>
>> Right now I only see energy models and _one_ specific type (the CPU EM).
>> So a tag 'is a CPU EM' would suffice. No need for EM_SIMPE ...
> 
> Wait, you even have
> 
> struct em_device {
>          struct em_perf_domain *em_pd;
>          struct device *dev;
>          ...
> }
> 
> static bool _is_cpu_device(struct device *dev)
> 
> Shouldn't this be enough to distinguish between EM and special CPU EM
> under the API? Even when required to use container_of() to get from
> em_perf_domain to device.
> 

Agree, I will remove this em_type related code.

Lukasz

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Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-16 15:20 [PATCH 0/4] Add support for devices in the " lukasz.luba
2020-01-16 15:20 ` [PATCH 1/4] PM / EM: and devices to " lukasz.luba
2020-01-17 10:54   ` Quentin Perret
2020-01-20 14:52     ` Lukasz Luba
2020-01-20 15:09       ` Quentin Perret
2020-01-20 18:27         ` Dietmar Eggemann
2020-01-20 18:38           ` Lukasz Luba
2020-01-21  9:10             ` Dietmar Eggemann
2020-01-21  9:37               ` Quentin Perret
2020-01-21  9:31             ` Quentin Perret
2020-01-20 14:53   ` Dietmar Eggemann
2020-01-20 15:11     ` Dietmar Eggemann
2020-01-20 15:36       ` Lukasz Luba [this message]
2020-01-20 15:27     ` Lukasz Luba
2020-01-20 15:28     ` Quentin Perret
2020-01-20 16:20       ` Lukasz Luba
2020-01-21 10:08         ` Quentin Perret
2020-01-21 10:49           ` Lukasz Luba
2020-01-16 15:20 ` [PATCH 2/4] OPP: change parameter to device pointer in dev_pm_opp_of_register_em() lukasz.luba
2020-01-16 15:20 ` [PATCH 3/4] thermal: devfreq_cooling: Refactor code and switch to use Energy Model lukasz.luba
2020-01-21 17:11   ` Steven Rostedt
2020-01-22  9:35     ` Lukasz Luba
2020-01-16 15:20 ` [PATCH 4/4] drm/panfrost: Register to the Energy Model with devfreq device lukasz.luba

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