linux-kernel - Re: [PATCH v2 02/10] pinctrl: baytrail: Make use of pm

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Message-ID: <20230718105322.000074ca@Huawei.com>
Date:   Tue, 18 Jul 2023 10:53:22 +0100
From:   Jonathan Cameron <Jonathan.Cameron@...wei.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
CC:     Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Balsam CHIHI <bchihi@...libre.com>,
        "Claudiu Beznea" <claudiu.beznea@...rochip.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Paul Cercueil <paul@...pouillou.net>,
        <linux-gpio@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-renesas-soc@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <linux-pm@...r.kernel.org>, Andy Shevchenko <andy@...nel.org>,
        Andrew Lunn <andrew@...n.ch>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Len Brown <len.brown@...el.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Sean Wang <sean.wang@...nel.org>,
        "Jonathan Hunter" <jonathanh@...dia.com>,
        Ludovic Desroches <ludovic.desroches@...rochip.com>,
        Pavel Machek <pavel@....cz>,
        "Matthias Brugger" <matthias.bgg@...il.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: Re: [PATCH v2 02/10] pinctrl: baytrail: Make use of pm_ptr()

On Mon, 17 Jul 2023 20:28:13 +0300
Andy Shevchenko <andriy.shevchenko@...ux.intel.com> wrote:

> Cleaning up the driver to use pm_ptr() and *_PM_OPS() macros that
> make it simpler and allows the compiler to remove those functions
> if built without CONFIG_PM and CONFIG_PM_SLEEP support.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

LGTM but why is it in a set that claims to be about NOIRQ PM helper?

FWIW
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>

> ---
>  drivers/pinctrl/intel/pinctrl-baytrail.c | 11 +++--------
>  1 file changed, 3 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/pinctrl/intel/pinctrl-baytrail.c b/drivers/pinctrl/intel/pinctrl-baytrail.c
> index 27aef62fc7c0..66aabac6be9c 100644
> --- a/drivers/pinctrl/intel/pinctrl-baytrail.c
> +++ b/drivers/pinctrl/intel/pinctrl-baytrail.c
> @@ -1733,7 +1733,6 @@ static int byt_pinctrl_probe(struct platform_device *pdev)
>  	return 0;
>  }
>  
> -#ifdef CONFIG_PM_SLEEP
>  static int byt_gpio_suspend(struct device *dev)
>  {
>  	struct intel_pinctrl *vg = dev_get_drvdata(dev);
> @@ -1817,9 +1816,7 @@ static int byt_gpio_resume(struct device *dev)
>  	raw_spin_unlock_irqrestore(&byt_lock, flags);
>  	return 0;
>  }
> -#endif
>  
> -#ifdef CONFIG_PM
>  static int byt_gpio_runtime_suspend(struct device *dev)
>  {
>  	return 0;
> @@ -1829,19 +1826,17 @@ static int byt_gpio_runtime_resume(struct device *dev)
>  {
>  	return 0;
>  }
> -#endif
>  
>  static const struct dev_pm_ops byt_gpio_pm_ops = {
> -	SET_LATE_SYSTEM_SLEEP_PM_OPS(byt_gpio_suspend, byt_gpio_resume)
> -	SET_RUNTIME_PM_OPS(byt_gpio_runtime_suspend, byt_gpio_runtime_resume,
> -			   NULL)
> +	LATE_SYSTEM_SLEEP_PM_OPS(byt_gpio_suspend, byt_gpio_resume)
> +	RUNTIME_PM_OPS(byt_gpio_runtime_suspend, byt_gpio_runtime_resume, NULL)
>  };
>  
>  static struct platform_driver byt_gpio_driver = {
>  	.probe          = byt_pinctrl_probe,
>  	.driver         = {
>  		.name			= "byt_gpio",
> -		.pm			= &byt_gpio_pm_ops,
> +		.pm			= pm_ptr(&byt_gpio_pm_ops),
>  		.acpi_match_table	= byt_gpio_acpi_match,
>  		.suppress_bind_attrs	= true,
>  	},