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Subject: Re: [PATCH v2 1/5] thermal: core: Add helpers to browse the cdev, tz
 and governor list
To:     Amit Kucheria <amit.kucheria@linaro.org>,
        Zhang Rui <rui.zhang@intel.com>
Cc:     Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>,
        Ram Chandrasekar <rkumbako@codeaurora.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
References: <20200625144509.17918-1-daniel.lezcano@linaro.org>
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From:   Daniel Lezcano <daniel.lezcano@linaro.org>
Message-ID: <7f4f9a0a-404c-79ff-4aa8-8629e3e9e76b@linaro.org>
Date:   Wed, 1 Jul 2020 09:08:23 +0200
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On 30/06/2020 20:46, Amit Kucheria wrote:
> On Tue, Jun 30, 2020 at 8:40 PM Zhang Rui <rui.zhang@intel.com> wrote:
>>
>> Hi, Daniel,
>>
>> seems that you forgot to cc linux-pm mailing list.
>>
>> On Tue, 2020-06-30 at 17:16 +0530, Amit Kucheria wrote:
>>> On Thu, Jun 25, 2020 at 8:15 PM Daniel Lezcano
>>> <daniel.lezcano@linaro.org> wrote:
>>>>
>>>> The cdev, tz and governor list, as well as their respective locks
>>>> are
>>>> statically defined in the thermal_core.c file.
>>>>
>>>> In order to give a sane access to these list, like browsing all the
>>>> thermal zones or all the cooling devices, let's define a set of
>>>> helpers where we pass a callback as a parameter to be called for
>>>> each
>>>> thermal entity.
>>>>
>>>> We keep the self-encapsulation and ensure the locks are correctly
>>>> taken when looking at the list.
>>>>
>>>> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
>>>> ---
>>>>  drivers/thermal/thermal_core.c | 51
>>>> ++++++++++++++++++++++++++++++++++
>>>
>>> Is the idea to not use thermal_helpers.c from now on? It fits
>>> perfectly with a patch I have to merge all its contents to
>>> thermal_core.c :-)
>>
>> I agree these changes should be in thermal_helper.c
> 
> I was actually serious about killing thermal_helper.c :-)
> 
> What is the reason for those 5-6 functions to live outside
> thermal_core.c? Functions in thermal_helper.c are called by governors
> and drivers, just like the functions in thermal_core.c. I couldn't
> find a pattern.

I propose to move these functions in the thermal_helper.c for now as
requested by Rui. Then you can send a patch to merge thermal_helper.c to
thermal_core.c after and we can comment the move.


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