Re: [PATCH v12 3/6] pinctrl: core: Make pin group callbacks optional for pin-only drivers

[Krzysztof Kozlowski <krzk@kernel.org>]

On 15/05/2026 19:43, sashiko-bot@kernel.org wrote:
>> Currently, the pinctrl core strictly requires all drivers to implement
>> .get_groups_count and .get_group_name callbacks in their pinctrl_ops.
>>
>> However, for simple pinctrl drivers that act purely as GPIO controllers
>> and pin-specific configuration proxies, without any concept of muxing or
>> pin groups, this strict requirement forces the implementation of dummy
>> callbacks just to satisfy pinctrl_check_ops().
>>
>> Relax this requirement for pin-only drivers by making the group callbacks
>> optional when no muxing or group pin configuration support is provided.
>> Update the core and debugfs helpers to check for the existence of these
>> callbacks before invoking them.
>>
>> Drivers that provide muxing or group pin configuration operations still
>> must implement group enumeration and naming callbacks, and are rejected
>> at registration time if they do not.
>>
>> Suggested-by: Linus Walleij <linusw@kernel.org>
>> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> 
> Reviewed-by: Sashiko <sashiko-bot@kernel.org>
> 

NAK, fake tag.

https://lore.kernel.org/linux-devicetree/ad139e54-a7f0-4d09-832c-6b2bf2e93e03@kernel.org/T/#u

Best regards,
Krzysztof