linux-kernel - Re: [PATCH v2 2/6] mmc: sdhci-acpi: Switch to SYSTEM_SLEEP_PM_OPS()/RUNTIME_PM_OPS() and pm

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Message-ID: <446b8fbd-c53e-42da-b8ba-e955cfe8075d@intel.com>
Date: Mon, 9 Dec 2024 13:00:05 +0200
From: Adrian Hunter <adrian.hunter@...el.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
 Ulf Hansson <ulf.hansson@...aro.org>,
 Victor Shih <victor.shih@...esyslogic.com.tw>, linux-mmc@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/6] mmc: sdhci-acpi: Switch to
 SYSTEM_SLEEP_PM_OPS()/RUNTIME_PM_OPS() and pm_ptr()

On 1/11/24 12:11, Andy Shevchenko wrote:
> SET_SYSTEM_SLEEP_PM_OPS() and SET_RUNTIME_PM_OPS() are deprecated now
> and require an ifdeffery protection against unused function warnings.
> The usage of pm_ptr() and SYSTEM_SLEEP_PM_OPS()/RUNTIME_PM_OPS() allows
> the compiler to see the functions, thus suppressing the warning. Thus
> drop the ifdeffery protection.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Seems to depend on patch 1

> ---
>  drivers/mmc/host/sdhci-acpi.c | 15 +++------------
>  1 file changed, 3 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
> index d1ce9193ece9..5241c5c26891 100644
> --- a/drivers/mmc/host/sdhci-acpi.c
> +++ b/drivers/mmc/host/sdhci-acpi.c
> @@ -1006,8 +1006,6 @@ static void __maybe_unused sdhci_acpi_reset_signal_voltage_if_needed(
>  	}
>  }
>  
> -#ifdef CONFIG_PM_SLEEP
> -
>  static int sdhci_acpi_suspend(struct device *dev)
>  {
>  	struct sdhci_acpi_host *c = dev_get_drvdata(dev);
> @@ -1034,10 +1032,6 @@ static int sdhci_acpi_resume(struct device *dev)
>  	return sdhci_resume_host(c->host);
>  }
>  
> -#endif
> -
> -#ifdef CONFIG_PM
> -
>  static int sdhci_acpi_runtime_suspend(struct device *dev)
>  {
>  	struct sdhci_acpi_host *c = dev_get_drvdata(dev);
> @@ -1064,12 +1058,9 @@ static int sdhci_acpi_runtime_resume(struct device *dev)
>  	return sdhci_runtime_resume_host(c->host, 0);
>  }
>  
> -#endif
> -
>  static const struct dev_pm_ops sdhci_acpi_pm_ops = {
> -	SET_SYSTEM_SLEEP_PM_OPS(sdhci_acpi_suspend, sdhci_acpi_resume)
> -	SET_RUNTIME_PM_OPS(sdhci_acpi_runtime_suspend,
> -			sdhci_acpi_runtime_resume, NULL)
> +	SYSTEM_SLEEP_PM_OPS(sdhci_acpi_suspend, sdhci_acpi_resume)
> +	RUNTIME_PM_OPS(sdhci_acpi_runtime_suspend, sdhci_acpi_runtime_resume, NULL)
>  };
>  
>  static struct platform_driver sdhci_acpi_driver = {
> @@ -1077,7 +1068,7 @@ static struct platform_driver sdhci_acpi_driver = {
>  		.name			= "sdhci-acpi",
>  		.probe_type		= PROBE_PREFER_ASYNCHRONOUS,
>  		.acpi_match_table	= sdhci_acpi_ids,
> -		.pm			= &sdhci_acpi_pm_ops,
> +		.pm			= pm_ptr(&sdhci_acpi_pm_ops),
>  	},
>  	.probe	= sdhci_acpi_probe,
>  	.remove = sdhci_acpi_remove,