Re: [PATCH] powerpc/44x: Set GPIO chip firmware node

[Rosen Penev]

On Sat, May 16, 2026 at 7:55 AM Linus Walleij <linusw@xxxxxxxxxx> wrote:
>
> On Sat, May 16, 2026 at 1:19 AM Rosen Penev <rosenp@xxxxxxxxx> wrote:
>
> > The PPC4xx GPIO driver stopped assigning an explicit firmware node
> > to the gpio_chip when it moved away from of_mm_gpiochip_add_data().
> >
> > Restore that association from the platform device so OF GPIO lookup
> > can match phandles to the registered gpiochip.
> >
> > Tested on: Cisco MX60W. No more probe deferral.
> >
> > Assisted-by: Codex:GPT-5.5
> > Fixes: 1044dbaf2a77 ("powerpc/44x: Change GPIO driver to a proper platform driver")
> > Signed-off-by: Rosen Penev <rosenp@xxxxxxxxx>
>
> Reviewed-by: Linus Walleij <linusw@xxxxxxxxxx>
dev was needed, not fwnode. Which makes sense as this is specified in dts.

https://patch.msgid.link/20260427-gpio-mmio-more-v3-1-fe1882351424@xxxxxxxxxx
fixes this but that's not in a released kernel.
>
> Yours,
> Linus Walleij