[PATCH 6/8 v2] arm: orion5x: Add DT-based support for Netgear WNR854T

Andrew Lunn
2016-09-13T12:36:39Z

On Tue, Sep 13, 2016 at 10:10:41AM +0100, Jamie Lentin wrote:
> On 2016-09-12 23:03, Andrew Lunn wrote:
> >>Maybe we can instead leave out the PCI support from the new
> >>file for now and not delete the legacy board file?
>
> This seems a reasonable compromise. The PCI card the router comes
> with isn't supported by mwl8k mainline anyway (There's STA-only
> firmware that can be extracted from a windows driver and PCI IDs
> added, but stats reporting uses a different format), so it's not a
> huge loss, although many did replace the card with something
> Atheros-based.

O.K. So dropping the PCI code gets us going forward.
Have we missed the merge window?

> Unfortunately the power regulator on my spare router has stopped
> regulating, which will make more development tricky.

The Green Light of death?

> >Jamie, which interrupt do you see the WiFi card using? If it is
> >IRQ_ORION5X_PCIE0_INT, (1 + 11), that is probably easier to deal with
> >than if it uses GPIO 4.
>
> Definitely uses GPIO 4.

O.K, that makes it more interesting. As far as i can see, no other
PCIe system uses a GPIO for its interrupt. There is no core support
for this, or any bus driver doing it. So there is no binding to
follow.

Andrew