On Fri, Feb 3, 2023 at 11:15 AM <e...@openmail.cc> wrote:
>
> > I think this can be done a bit cleaner and like other drivers. I see 2 
> > options.
> > The first way is use VID/PID compatible strings and don't set the
> > of_node pointer if there is a mismatch.
> Where should I do this? In pci_set_of_node() from drivers/pci/of.c?

Off the top of my head, I think so.

> > Upon further thought, why can't you decide all this just on PCI
> > VID/PID? The giant switch statement in ath10k_pci_probe() could all
> > just be struct of driver_data from the PCI match table.
>
> I cannot decide all this just on PCI VID/PID because PCI VID/PID cannot tell 
> whether calibration data are stored in the device (like most expansion cards) 
> or not (for example, in an NVRAM cell referenced by the device tree).
>

For a given VID/PID, you could have calibration data in DT that you
want to ignore sometimes and not other times (because the compatible
is wrong)?

Rob

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