linux-kernel - Re: [PATCH v2 05/15] iio: adc: rzg2l_adc: Switch to RUNTIME_PM_OPS() and pm

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Message-ID: <CA+V-a8t248mJZRcXbLtgLyfDo0au8acaEUTCmEG0NCObFUxrtw@mail.gmail.com>
Date: Sun, 8 Dec 2024 20:32:01 +0000
From: "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To: Claudiu <claudiu.beznea@...on.dev>
Cc: prabhakar.mahadev-lad.rj@...renesas.com, jic23@...nel.org, lars@...afoo.de, 
	robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org, 
	geert+renesas@...der.be, magnus.damm@...il.com, mturquette@...libre.com, 
	sboyd@...nel.org, p.zabel@...gutronix.de, linux-iio@...r.kernel.org, 
	linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org, 
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: Re: [PATCH v2 05/15] iio: adc: rzg2l_adc: Switch to RUNTIME_PM_OPS()
 and pm_ptr()

On Fri, Dec 6, 2024 at 11:14 AM Claudiu <claudiu.beznea@...on.dev> wrote:
>
> From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
>
> The use of SET_RUNTIME_PM_OPS() is now deprecated and requires
> __maybe_unused annotations to avoid warnings about unused functions.
> Switching to RUNTIME_PM_OPS() and pm_ptr() eliminates the need for such
> annotations because the compiler can directly reference the runtime PM
> functions, thereby suppressing the warnings. As a result, the
> __maybe_unused markings can be removed.
>
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
> ---
>
> Changes in v2:
> - none
>
>  drivers/iio/adc/rzg2l_adc.c | 10 ++++------
>  1 file changed, 4 insertions(+), 6 deletions(-)
>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Cheers,
Prabhakar

> diff --git a/drivers/iio/adc/rzg2l_adc.c b/drivers/iio/adc/rzg2l_adc.c
> index 780cb927eab1..482da6dcf174 100644
> --- a/drivers/iio/adc/rzg2l_adc.c
> +++ b/drivers/iio/adc/rzg2l_adc.c
> @@ -454,7 +454,7 @@ static const struct of_device_id rzg2l_adc_match[] = {
>  };
>  MODULE_DEVICE_TABLE(of, rzg2l_adc_match);
>
> -static int __maybe_unused rzg2l_adc_pm_runtime_suspend(struct device *dev)
> +static int rzg2l_adc_pm_runtime_suspend(struct device *dev)
>  {
>         struct iio_dev *indio_dev = dev_get_drvdata(dev);
>         struct rzg2l_adc *adc = iio_priv(indio_dev);
> @@ -464,7 +464,7 @@ static int __maybe_unused rzg2l_adc_pm_runtime_suspend(struct device *dev)
>         return 0;
>  }
>
> -static int __maybe_unused rzg2l_adc_pm_runtime_resume(struct device *dev)
> +static int rzg2l_adc_pm_runtime_resume(struct device *dev)
>  {
>         struct iio_dev *indio_dev = dev_get_drvdata(dev);
>         struct rzg2l_adc *adc = iio_priv(indio_dev);
> @@ -475,9 +475,7 @@ static int __maybe_unused rzg2l_adc_pm_runtime_resume(struct device *dev)
>  }
>
>  static const struct dev_pm_ops rzg2l_adc_pm_ops = {
> -       SET_RUNTIME_PM_OPS(rzg2l_adc_pm_runtime_suspend,
> -                          rzg2l_adc_pm_runtime_resume,
> -                          NULL)
> +       RUNTIME_PM_OPS(rzg2l_adc_pm_runtime_suspend, rzg2l_adc_pm_runtime_resume, NULL)
>  };
>
>  static struct platform_driver rzg2l_adc_driver = {
> @@ -485,7 +483,7 @@ static struct platform_driver rzg2l_adc_driver = {
>         .driver         = {
>                 .name           = DRIVER_NAME,
>                 .of_match_table = rzg2l_adc_match,
> -               .pm             = &rzg2l_adc_pm_ops,
> +               .pm             = pm_ptr(&rzg2l_adc_pm_ops),
>         },
>  };
>
> --
> 2.39.2
>
>