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SubjectRe: Raspberry Pi 4B: Failed to create device link with soc:firmware:gpio
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On 2/25/2023 5:58 PM, Florian Fainelli wrote:
>
>
> On 2/25/2023 4:01 PM, Saravana Kannan wrote:
>> On Sat, Feb 25, 2023 at 7:38 AM Florian Fainelli
>> <f.fainelli@gmail.com> wrote:
>>>
>>> Hi Saravana,
>>>
>>> Using v6.2-10217-ga93e884edf61v my Raspberry Pi 4B issues the following
>>> for the "extended GPIO" provider:
>>>
>>> [    5.969855] uart-pl011 fe201000.serial: Failed to create device link
>>> with soc:firmware:gpio
>>
>> Outside of this error, is it actually breaking anything?
>
> There is just this warning, there does not appear to be a functional issue.
>
>> Also, can you
>> pull in this patch and tell me what it says? I want to know what the
>> flags are.
>> https://lore.kernel.org/lkml/20230225064148.274376-1-saravanak@google.com/

Pulling in this patch results in the following being printed:

[ 14.866835] uart-pl011 fe201000.serial: Failed to create device link
(0x180) with soc:firmware:gpio

>>
>> Can you also change every pr_debug and dev_dbg in drivers/base/core.c
>> to an info and then give me the logs as an attachment?
>
> Sure will do.

Please find the log here:

https://gist.github.com/4e7e5e09ebfb3994505c917a8c0892d6

Thanks
--
Florian

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