linux-kernel - Re: [PATCH v2 05/10] pinctrl: lynxpoint: Make use of pm

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Message-ID: <20230718110620.0000218e@Huawei.com>
Date:   Tue, 18 Jul 2023 11:06:20 +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 05/10] pinctrl: lynxpoint: Make use of pm_ptr()

On Mon, 17 Jul 2023 20:28:16 +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.
> 

Those macros add a load more callbacks... Whilst that may well be fine,
you should definitely mention that in this patch description.

> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---
>  drivers/pinctrl/intel/pinctrl-lynxpoint.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/pinctrl/intel/pinctrl-lynxpoint.c b/drivers/pinctrl/intel/pinctrl-lynxpoint.c
> index cdace55aaeac..50d92bf80e20 100644
> --- a/drivers/pinctrl/intel/pinctrl-lynxpoint.c
> +++ b/drivers/pinctrl/intel/pinctrl-lynxpoint.c
> @@ -948,9 +948,8 @@ static int lp_gpio_resume(struct device *dev)
>  }
>  
>  static const struct dev_pm_ops lp_gpio_pm_ops = {
> -	.runtime_suspend = lp_gpio_runtime_suspend,
> -	.runtime_resume = lp_gpio_runtime_resume,
> -	.resume = lp_gpio_resume,
> +	SYSTEM_SLEEP_PM_OPS(NULL, lp_gpio_resume)
> +	RUNTIME_PM_OPS(lp_gpio_runtime_suspend, lp_gpio_runtime_resume, NULL)
>  };
>  
>  static const struct acpi_device_id lynxpoint_gpio_acpi_match[] = {
> @@ -965,7 +964,7 @@ static struct platform_driver lp_gpio_driver = {
>  	.remove         = lp_gpio_remove,
>  	.driver         = {
>  		.name   = "lp_gpio",
> -		.pm	= &lp_gpio_pm_ops,
> +		.pm	= pm_ptr(&lp_gpio_pm_ops),
>  		.acpi_match_table = lynxpoint_gpio_acpi_match,
>  	},
>  };