Re: Change in kernel PPS GPIO handling?

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> >>> I wonder if it's a change/regression in the firmware overlay <->
> >>> kernel interface.
> >> do you use the DTB file from 5.14.x or 5.16x?
> > I'm guessing this is fixed in the RPi firmware DTs with their rebase to 5.15.x?
> >
> > I've not pushed newer firmware/DT to stable Fedora of late as we've
> > had a bunch of regressions on various RPi devices, currently upstream
> > firmware on Fedora doesn't boot on any 32 bit RPi device for example.
> Please never ever use the DTS from the Raspberry Pi tree in combination
> with the mainline kernel. Please use the DTS from mainline tree. Any
> other combination is not tested and has unexpected results.

In the case of arm32 it's all using upstream kernel/DT with RPi
firmware it still has unexpected results. Either way it's a game of
whack-a-mole, we also have cases where the Firmware DT works and the
upstream kernel DT does not [1] but I've not had time to debug that
one yet.

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