linux-kernel - Re: [PATCH v2 12/30] mfd: intel_soc_pmic: Remove #ifdef guards for PM related functions

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Date:   Tue, 23 Aug 2022 17:17:46 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Paul Cercueil <paul@...pouillou.net>
Cc:     Lee Jones <lee.jones@...aro.org>, linux-kernel@...r.kernel.org,
        Andy Shevchenko <andy@...nel.org>
Subject: Re: [PATCH v2 12/30] mfd: intel_soc_pmic: Remove #ifdef guards for
 PM related functions

On Mon, Aug 08, 2022 at 07:40:49PM +0200, Paul Cercueil wrote:
> Use the new DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr() macros
> to handle the .suspend/.resume callbacks.
> 
> These macros allow the suspend and resume functions to be automatically
> dropped by the compiler when CONFIG_SUSPEND is disabled, without having
> to use #ifdef guards.
> 
> This has the advantage of always compiling these functions in,
> independently of any Kconfig option. Thanks to that, bugs and other
> regressions are subsequently easier to catch.

Acked-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

But it needs to be rebased.

> Signed-off-by: Paul Cercueil <paul@...pouillou.net>
> ---
> Cc: Andy Shevchenko <andy@...nel.org>
> 
>  drivers/mfd/intel_soc_pmic_core.c | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/mfd/intel_soc_pmic_core.c b/drivers/mfd/intel_soc_pmic_core.c
> index 5e8c94e008ed..96303aa87bc1 100644
> --- a/drivers/mfd/intel_soc_pmic_core.c
> +++ b/drivers/mfd/intel_soc_pmic_core.c
> @@ -104,7 +104,6 @@ static void intel_soc_pmic_shutdown(struct i2c_client *i2c)
>  	return;
>  }
>  
> -#if defined(CONFIG_PM_SLEEP)
>  static int intel_soc_pmic_suspend(struct device *dev)
>  {
>  	struct intel_soc_pmic *pmic = dev_get_drvdata(dev);
> @@ -122,10 +121,9 @@ static int intel_soc_pmic_resume(struct device *dev)
>  
>  	return 0;
>  }
> -#endif
>  
> -static SIMPLE_DEV_PM_OPS(intel_soc_pmic_pm_ops, intel_soc_pmic_suspend,
> -			 intel_soc_pmic_resume);
> +static DEFINE_SIMPLE_DEV_PM_OPS(intel_soc_pmic_pm_ops, intel_soc_pmic_suspend,
> +				intel_soc_pmic_resume);
>  
>  static const struct i2c_device_id intel_soc_pmic_i2c_id[] = {
>  	{ }
> @@ -143,7 +141,7 @@ MODULE_DEVICE_TABLE(acpi, intel_soc_pmic_acpi_match);
>  static struct i2c_driver intel_soc_pmic_i2c_driver = {
>  	.driver = {
>  		.name = "intel_soc_pmic_i2c",
> -		.pm = &intel_soc_pmic_pm_ops,
> +		.pm = pm_sleep_ptr(&intel_soc_pmic_pm_ops),
>  		.acpi_match_table = ACPI_PTR(intel_soc_pmic_acpi_match),
>  	},
>  	.probe = intel_soc_pmic_i2c_probe,
> -- 
> 2.35.1
> 

-- 
With Best Regards,
Andy Shevchenko