Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <e356066d5e4001d5ae26a1f55996086ce0b59cf2.camel@crapouillou.net>
Subject: Re: [PATCH v2 06/10] pinctrl: at91: Switch to use
 DEFINE_NOIRQ_DEV_PM_OPS() helper
From:   Paul Cercueil <paul@crapouillou.net>
To:     Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Mika Westerberg <mika.westerberg@linux.intel.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        Balsam CHIHI <bchihi@baylibre.com>,
        Claudiu Beznea <claudiu.beznea@microchip.com>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Wolfram Sang <wsa+renesas@sang-engineering.com>,
        Thierry Reding <thierry.reding@gmail.com>,
        linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-mediatek@lists.infradead.org,
        linux-arm-kernel@lists.infradead.org,
        linux-renesas-soc@vger.kernel.org, linux-tegra@vger.kernel.org,
        linux-pm@vger.kernel.org
Cc:     Andy Shevchenko <andy@kernel.org>,
        Sean Wang <sean.wang@kernel.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
        Andrew Lunn <andrew@lunn.ch>,
        Gregory Clement <gregory.clement@bootlin.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
        Ludovic Desroches <ludovic.desroches@microchip.com>,
        Nicolas Ferre <nicolas.ferre@microchip.com>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        Jonathan Hunter <jonathanh@nvidia.com>,
        "Rafael J. Wysocki" <rafael@kernel.org>,
        Len Brown <len.brown@intel.com>, Pavel Machek <pavel@ucw.cz>
Date:   Mon, 17 Jul 2023 21:25:53 +0200
In-Reply-To: <20230717172821.62827-7-andriy.shevchenko@linux.intel.com>
References: <20230717172821.62827-1-andriy.shevchenko@linux.intel.com>
         <20230717172821.62827-7-andriy.shevchenko@linux.intel.com>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
Precedence: bulk

Hi Andy,

Le lundi 17 juillet 2023 =C3=A0 20:28 +0300, Andy Shevchenko a =C3=A9crit=
=C2=A0:
> Since pm.h provides a helper for system no-IRQ PM callbacks,
> switch the driver to use it instead of open coded variant.
>=20
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Reviewed-by: Paul Cercueil <paul@crapouillou.net>

Although you could add a bit more info in the message of this patch, to
explain why it's OK to remove the __maybe_unused tags (the code is
always visible) and why switch from pm_ptr() to pm_sleep_ptr() (it's
only used for system-PM callbacks).

Cheers,
-Paul

> ---
> =C2=A0drivers/pinctrl/pinctrl-at91.c | 10 ++++------
> =C2=A01 file changed, 4 insertions(+), 6 deletions(-)
>=20
> diff --git a/drivers/pinctrl/pinctrl-at91.c
> b/drivers/pinctrl/pinctrl-at91.c
> index 39956d821ad7..608f55c5ba5f 100644
> --- a/drivers/pinctrl/pinctrl-at91.c
> +++ b/drivers/pinctrl/pinctrl-at91.c
> @@ -1657,7 +1657,7 @@ static int gpio_irq_set_wake(struct irq_data
> *d, unsigned state)
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0return 0;
> =C2=A0}
> =C2=A0
> -static int __maybe_unused at91_gpio_suspend(struct device *dev)
> +static int at91_gpio_suspend(struct device *dev)
> =C2=A0{
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0struct at91_gpio_chip *at=
91_chip =3D dev_get_drvdata(dev);
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0void __iomem *pio =3D at9=
1_chip->regbase;
> @@ -1675,7 +1675,7 @@ static int __maybe_unused
> at91_gpio_suspend(struct device *dev)
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0return 0;
> =C2=A0}
> =C2=A0
> -static int __maybe_unused at91_gpio_resume(struct device *dev)
> +static int at91_gpio_resume(struct device *dev)
> =C2=A0{
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0struct at91_gpio_chip *at=
91_chip =3D dev_get_drvdata(dev);
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0void __iomem *pio =3D at9=
1_chip->regbase;
> @@ -1903,15 +1903,13 @@ static int at91_gpio_probe(struct
> platform_device *pdev)
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0return 0;
> =C2=A0}
> =C2=A0
> -static const struct dev_pm_ops at91_gpio_pm_ops =3D {
> -=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0NOIRQ_SYSTEM_SLEEP_PM_OPS(at91=
_gpio_suspend,
> at91_gpio_resume)
> -};
> +static DEFINE_NOIRQ_DEV_PM_OPS(at91_gpio_pm_ops, at91_gpio_suspend,
> at91_gpio_resume);
> =C2=A0
> =C2=A0static struct platform_driver at91_gpio_driver =3D {
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0.driver =3D {
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0.name =3D "gpio-at91",
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0.of_match_table =3D at91_gpio_of_match,
> -=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0.pm =3D pm_ptr(&at91_gpio_pm_ops),
> +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0.pm =3D pm_sleep_ptr(&at91_gpio_pm_ops),
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0},
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0.probe =3D at91_gpio_prob=
e,
> =C2=A0};