linux-kernel - Re: [PATCH v2 03/10] pinctrl: cherryview: Switch to use DEFINE_NOIRQ_DEV_PM

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Message-ID: <20230718105453.00004dc3@Huawei.com>
Date:   Tue, 18 Jul 2023 10:54:53 +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 03/10] pinctrl: cherryview: Switch to use
 DEFINE_NOIRQ_DEV_PM_OPS() helper

On Mon, 17 Jul 2023 20:28:14 +0300
Andy Shevchenko <andriy.shevchenko@...ux.intel.com> wrote:

> Since pm.h provides a helper for system no-IRQ PM callbacks,
> switch the driver to use it instead of open coded variant.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Formatting comment inline. Otherwise LGTM

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

> ---
>  drivers/pinctrl/intel/pinctrl-cherryview.c | 9 ++-------
>  1 file changed, 2 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c
> index eee0f9bc3d32..7a2fc9fe175d 100644
> --- a/drivers/pinctrl/intel/pinctrl-cherryview.c
> +++ b/drivers/pinctrl/intel/pinctrl-cherryview.c
> @@ -1793,7 +1793,6 @@ static int chv_pinctrl_remove(struct platform_device *pdev)
>  	return 0;
>  }
>  
> -#ifdef CONFIG_PM_SLEEP
>  static int chv_pinctrl_suspend_noirq(struct device *dev)
>  {
>  	struct intel_pinctrl *pctrl = dev_get_drvdata(dev);
> @@ -1877,12 +1876,8 @@ static int chv_pinctrl_resume_noirq(struct device *dev)
>  
>  	return 0;
>  }
> -#endif
>  
> -static const struct dev_pm_ops chv_pinctrl_pm_ops = {
> -	SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(chv_pinctrl_suspend_noirq,
> -				      chv_pinctrl_resume_noirq)
> -};
> + static DEFINE_NOIRQ_DEV_PM_OPS(chv_pinctrl_pm_ops, chv_pinctrl_suspend_noirq, chv_pinctrl_resume_noirq);

Very long line and readability not hurt by breaking it.

>  
>  static const struct acpi_device_id chv_pinctrl_acpi_match[] = {
>  	{ "INT33FF", (kernel_ulong_t)chv_soc_data },
> @@ -1895,7 +1890,7 @@ static struct platform_driver chv_pinctrl_driver = {
>  	.remove = chv_pinctrl_remove,
>  	.driver = {
>  		.name = "cherryview-pinctrl",
> -		.pm = &chv_pinctrl_pm_ops,
> +		.pm = pm_sleep_ptr(&chv_pinctrl_pm_ops),
>  		.acpi_match_table = chv_pinctrl_acpi_match,
>  	},
>  };