H Dmitry,
Dmitry Torokhov wrote,

> Hi Waldemar,
> 
> On Wed, Jul 15, 2026 at 12:49:47AM +0200, Waldemar Brodkorb wrote:
> > Hi,
> > Arnd Bergmann wrote,
> > 
> > > On Mon, Jul 13, 2026, at 23:58, Dmitry Torokhov wrote:
> > > > This series converts the legacy gpio-keys platform device on BCM47XX
> > > > boards to use software nodes and static properties.
> > > >
> > > > To do this properly without relying on legacy name-based matching
> > > > (which is being removed from gpiolib), we introduce and register
> > > > software nodes for the underlying GPIO controllers (BCMA and SSB)
> > > > and reference them in the button properties.
> > > >
> > > > The first two patches add the software nodes to bcma-gpio and
> > > > ssb-gpio respectively. The third patch performs the conversion
> > > > for the BCM47XX buttons.
> > > >
> > > > Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
> > > > ---
> > > > As Johannes mentioned on v1 this best should go through MIPS tree.
> > > 
> > > Adding Waldemar to Cc. He has recently done some work to
> > > get this platform working again in FreeWRT and should
> > > be able to test your patches on hardware.
> > 
> > I normally use LTS kernel on the hardware (Linksys WRT54GS v1.0).
> > But for testing I updated to 7.1.3. Attached is the dmesg without
> > Dmitry's patches.  Button works, I can go into failsafe mode after
> > pressing the reset button on bootup.
> > 
> > With Dmitry's three patches applied I directly getting into failsafe
> > mode without pressing any button. Dmesg looks similar, but I get
> > following kernel message:
> > platform gpio-keys.0: deferred probe pending: gpio-keys: failed to get gpio
> > 
> > Looking at /dev I see no /dev/input/event0 device node anymore.
> > 
> > Attached is the small failsafe script I use on bootup.
> > Hope this helps.
> > 
> > Do I need to change my failsafe script for the new stuff or is
> > something else broken now? Do I miss some new kernel config option?
> > Or is the patch only for latest Linus git repo.
> 
> Thank you very much for testing. I think 7.1 should work. Could you
> please apply the test patch below and send me new dmesg? Hopefully I'll
> be able to figure out where I messed up.
> 
> Thanks.

Attached. Should we shorten the CC List next time?

best regards
 Waldemar