Re: Raspberry Pi 4B: Failed to create device link with soc:firmware:gpio

[Florian Fainelli]

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@xxxxxxxxx> 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@xxxxxxxxxx/

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