Re: [PATCH] power: supply: max8997_charger: make EXTCON dependency unconditional

Chanwoo Choi
2021-03-09T09:55:45Z

Hi Krzysztof,

On 3/9/21 1:11 AM, Krzysztof Kozlowski wrote:
> On Mon, 8 Mar 2021 at 17:02, Arnd Bergmann <arnd@kernel.org> wrote:
>>
>> On Mon, Mar 8, 2021 at 4:33 PM Krzysztof Kozlowski <krzk@kernel.org> wrote:
>>>
>>> On 08/03/2021 16:29, Arnd Bergmann wrote:
>>>> From: Arnd Bergmann <arnd@arndb.de>
>>>>
>>>> Some of the extcon interfaces have a fallback implementation that can
>>>> be used when EXTCON is disabled, but some others do not, causing a
>>>> build failure:
>>>>
>>>> drivers/power/supply/max8997_charger.c:261:9: error: implicit declaration of function 'devm_extcon_register_notifier_all' [-Werror,-Wimplicit-function-declaration]
>>>> ret = devm_extcon_register_notifier_all(&pdev->dev, charger->edev,
>>>> ^
>>>> drivers/power/supply/max8997_charger.c:261:9: note: did you mean 'devm_extcon_register_notifier'?
>>>> include/linux/extcon.h:263:19: note: 'devm_extcon_register_notifier' declared here
>>>> static inline int devm_extcon_register_notifier(struct device *dev,
>>>>
>>>> I assume there is no reason to actually build this driver without extcon
>>>> support, so a hard dependency is the easiest fix. Alternatively the
>>>> header file could be extended to provide additional inline stubs.
>>>
>>> Hi Arnd,
>>>
>>> Thanks for the patch but I think I got it covered with:
>>> https://lore.kernel.org/lkml/20210215100610.19911-2-cw00.choi@samsung.com/
>>> (sent via extcon tree).
>>>
>>> Did you experience a new/different issue?
>>
>> The patch should be fine and address the problem, I just didn't see it was
>> already fixed in linux-next as I'm still testing on mainline (rc2 at
>> the moment).
>>
>> I assume the fix will make it into a future -rc then.
>
> It's still only in linux-next via extcon tree, so it seems Greg did
> not take it yet.
>
> Chanwoo,
> You might need to follow up on this, so your pull request won't get lost.

I'm sorry. Because of my fault, the previous pull request was not merged to v5.12-rc1.
To fix this issue, I'll send the pull request for rc3 to Greg.

Best Regards,
Chanwoo Choi
Samsung Electronics