Re: [PATCH v3 05/12] thermal/core: Remove unneeded EXPORT_SYMBOLS

Lukasz Luba
2022-07-05T07:30:34Z

On 7/4/22 22:14, Daniel Lezcano wrote:
> On 04/07/2022 09:35, Lukasz Luba wrote:
>> Hi Daniel,
>>
>> (+Todd and Wei on CC)
>>
>>
>> On 7/3/22 19:30, Daniel Lezcano wrote:
>
> [ ... ]
>
>>>   }
>>> -EXPORT_SYMBOL(get_tz_trend);
>
> [ ... ]
>
>>>   }
>>> -EXPORT_SYMBOL(thermal_cdev_update);
>>
>> I wouldn't remove that export. I can see in my Pixel6 modules dir, that
>> it's called in 7 places.
>>
>> I assume that in Android world this is common use.
>
> It is not possible to do changes taking into consideration out of tree
> code. Moreover there is logically no good reason to use the
> thermal_cdev_update() function from outside of the thermal core code.
>

I see your point which is 'upstream'. On the other hand the mostly
deployed kernel is in Android devices and that brings a lot to the
community.

This symbol might also be used by other distros which might have
modules for some accelerators, which also support tricky cooling.

I would keep it as is...