Re: [PATCH 0/7] gpio: move ppc4xx driver to drivers/gpio and modernize

[Madhavan Srinivasan]

On 6/9/26 3:50 AM, Rosen Penev wrote:
> On Mon, Jun 8, 2026 at 3:10 PM Linus Walleij <linusw@xxxxxxxxxx> wrote:
> > Hi Rosen,
> >
> > On Tue, Jun 2, 2026 at 7:01 AM Rosen Penev <rosenp@xxxxxxxxx> wrote:
> >
> > > This series moves the ppc4xx GPIO driver from arch/powerpc to
> > > drivers/gpio, converts it to be a proper platform driver using
> > > generic MMIO helpers, drops architecture-specific accessors, and
> > > prepares it for module build and COMPILE_TEST.
> > >
> > > Patches 1-4 move the driver and convert it to standard platform
> > > driver infrastructure. Patch 5 switches to generic MMIO helpers.
> > > Patch 6 drops PPC-specific IO accessors and enables COMPILE_TEST.
> > > Patch 7 adds the missing MODULE metadata so the driver can actually
> > > be built as a module.
> > >
> > > Rosen Penev (7):
> > >    gpio: move ppc4xx gpio driver from arch/powerpc to drivers/gpio
> > >    gpio: ppc44x: Use module platform driver helper for GPIO
> > >    gpio: ppc44x: Set GPIO chip firmware node
> > >    gpio: ppc44x: Use platform resource helper for GPIO MMIO
> > >    gpio: ppc44x: Convert GPIO to generic MMIO
> > >    gpio: ppc44x: drop PPC-specific IO helpers and rename to ppc44x
> > >    gpio: ppc44x: add MODULE info
> > Overall a very nice patch series and happy to see that AI can
> > assist with this kind of refactoring!
> >
> > I guess we should provide some slack so someone from the PPC
> > camp can test it, and if they don't test it, then it is abandoned and
> > we should then just apply it anyway.
> Hmm? I have the hardware. It works fine.
Honestly I dont have the hardware to test this,
but thanks for the confirming, i will pull this for the next merge.

Maddy
> > The series:
> > Reviewed-by: Linus Walleij <linusw@xxxxxxxxxx>
> >
> > Yours,
> > Linus Walleij