Re: [PATCHv2] powerpc/44x: Set GPIO chip parent

[Madhavan Srinivasan]

On 7/30/26 11:15 AM, Christophe Leroy (CS GROUP) wrote:
> Le 17/07/2026 à 21:05, Rosen Penev a écrit :
> > On Sat, May 16, 2026 at 11:38 PM Rosen Penev <rosenp@xxxxxxxxx> wrote:
> > > The PPC4xx GPIO driver stopped assigning an explicit parent
> > > 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")
> > Did I forget to ping someone?
>
> Probably not, but afterwards you sent your series which moves the 
> driver into drivers/gpio/ and which does the same, so this one was 
> flagged "superseeded" in Patchwork 
> (https://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260517063754.21819-1-rosenp@xxxxxxxxx/)
>
> I put it back to 'new'. Maddy, can you pick it up ?
yes, i have added this to my next-test
Maddy

> Christophe
>
>
> > > Signed-off-by: Rosen Penev <rosenp@xxxxxxxxx>
> > > ---
> > >   arch/powerpc/platforms/44x/gpio.c | 1 +
> > >   1 file changed, 1 insertion(+)
> > >
> > > diff --git a/arch/powerpc/platforms/44x/gpio.c 
> > > b/arch/powerpc/platforms/44x/gpio.c
> > > index aea0d913b59d..4413a94cf7a6 100644
> > > --- a/arch/powerpc/platforms/44x/gpio.c
> > > +++ b/arch/powerpc/platforms/44x/gpio.c
> > > @@ -169,6 +169,7 @@ static int ppc4xx_gpio_probe(struct 
> > > platform_device *ofdev)
> > >
> > >          gc = &chip->gc;
> > >
> > > +       gc->parent = dev;
> > >          gc->base = -1;
> > >          gc->ngpio = 32;
> > >          gc->direction_input = ppc4xx_gpio_dir_in;
> > > --
> > > 2.54.0