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Date:   Tue, 01 Feb 2022 16:06:53 +0000
Message-ID: <87fsp2606a.wl-maz@kernel.org>
From:   Marc Zyngier <maz@kernel.org>
To:     Emil Renner Berthing <kernel@esmil.dk>
Cc:     "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
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        Thomas Gleixner <tglx@linutronix.de>,
        Shawn Guo <shawnguo@kernel.org>,
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Subject: Re: [PATCH 11/12] pinctrl: starfive: Move PM device over to irq domain
In-Reply-To: <CANBLGcxCmeaXXFWi6GFSHN=RhjUp5BVRYTMXHQihsLJCocD1xg@mail.gmail.com>
References: <20220201120310.878267-1-maz@kernel.org>
        <20220201120310.878267-12-maz@kernel.org>
        <CANBLGcxCmeaXXFWi6GFSHN=RhjUp5BVRYTMXHQihsLJCocD1xg@mail.gmail.com>
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On Tue, 01 Feb 2022 15:16:39 +0000,
Emil Renner Berthing <kernel@esmil.dk> wrote:
> 
> On Tue, 1 Feb 2022 at 13:19, Marc Zyngier <maz@kernel.org> wrote:
> >
> > Move the reference to the device over to the irq domain.
> >
> > Signed-off-by: Marc Zyngier <maz@kernel.org>
> > ---
> >  drivers/pinctrl/pinctrl-starfive.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/pinctrl/pinctrl-starfive.c b/drivers/pinctrl/pinctrl-starfive.c
> > index 0b912152a405..5be9866c2b3c 100644
> > --- a/drivers/pinctrl/pinctrl-starfive.c
> > +++ b/drivers/pinctrl/pinctrl-starfive.c
> > @@ -1307,7 +1307,6 @@ static int starfive_probe(struct platform_device *pdev)
> >         sfp->gc.base = -1;
> >         sfp->gc.ngpio = NR_GPIOS;
> >
> > -       starfive_irq_chip.parent_device = dev;
> >         starfive_irq_chip.name = sfp->gc.label;
> >
> >         sfp->gc.irq.chip = &starfive_irq_chip;
> > @@ -1330,6 +1329,8 @@ static int starfive_probe(struct platform_device *pdev)
> >         if (ret)
> >                 return dev_err_probe(dev, ret, "could not register gpiochip\n");
> >
> > +       irq_domain_set_pm_device(sfp->gc.irq.domain, dev);
> > +
> 
> The gpio framework uses the irq_domain at sfp->gc.irq.domain, so
> shouldn't this be set before registering the gpio_chip with
> devm_gpiochip_add_data above?

It is devm_gpiochip_add_data() that create the domain, so there is
nothing to set before.

Thanks,

	M.

-- 
Without deviation from the norm, progress is not possible.