Re: [PATCH] gpiolib: Make deferral warnings debug messages

[Jon Hunter <jonathanh@nvidia.com>]

On 02/04/2026 09:10, Bartosz Golaszewski wrote:
> On Wed, Apr 1, 2026 at 3:35 PM Jon Hunter <jonathanh@nvidia.com> wrote:
>>
>> With the recent addition of the shared GPIO support, warning messages
>> such as the following are being observed ...
>>
>>   reg-fixed-voltage regulator-vdd-3v3-pcie: cannot find GPIO chip
>>    gpiolib_shared.proxy.6, deferring
>>
>> These are seen even with GPIO_SHARED_PROXY=y.

I meant CONFIG_GPIO_SHARED_PROXY=y here :-)

Let me know if you want me to send an updated version?

>>
>> Given that the GPIOs are successfully found a bit later during boot and
>> the code is intentionally returning -EPROBE_DEFER when they are not
>> found, downgrade these messages to debug prints to avoid unnecessary
>> warnings being observed.
>>
>> Note that although the 'cannot find GPIO line' warning has not been
>> observed in this case, it seems reasonable to make this print a debug
>> print for consistency too.
>>
>> Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
>> ---
> 
> Yes, this makes sense. FYI I also have a grand plan of introducing
> support for fw_devlink for software nodes and assigning them to shared
> proxies with the aim of them respecting the probe order that way.

OK, good to know.

Thanks
Jon

-- 
nvpublic