UART and USB ttys together ports not working

[Aleksander Morgado]

>
>
> > ....
> > Also, please note, the kernel does not guarantee that the ttyUSB and
> > ttyAMA ports are always named in the same way, so using udev rules
> > like that is error-prone. A much better approach would be to bind the
> > udev rules to specific sysfs paths, e.g.
> > DEVPATH=="/devices/pci0000:00/0000:00:1d.0/usb4/4-1/4-1.5/4-1.5.5"
>
> Only a note:
> I have noticed that the path is no longer fixed with newer kernels.
> The problem is the `usb<port-number>` in your example `usb4`. This is
> random and can be different for each boot, since probing of the usb
> root hubs are now done asynchronous during but. I have noticed this,
> on my APU3 board which is running the kernel version 6.6.xxx
> (owrt-24.10).
>
>
Oh wow, if this is true, I know many things that will break. Is this a
recent change, and if so, could you point me to the relevant kernel commit?
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