linux-kernel - Re: [PATCH v1 2/3] pinctrl: baytrail: Replace ifdeffery by pm_sleep

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Message-ID: <20240904050630.GC1532424@black.fi.intel.com>
Date: Wed, 4 Sep 2024 08:06:30 +0300
From: Mika Westerberg <mika.westerberg@...ux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
	Andy Shevchenko <andy@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH v1 2/3] pinctrl: baytrail: Replace ifdeffery by
 pm_sleep_ptr() macro

On Tue, Sep 03, 2024 at 08:04:50PM +0300, Andy Shevchenko wrote:
> Explicit ifdeffery is ugly and theoretically might be not synchronised
> with the rest of functions that are assigned via pm_sleep_ptr() macro.
> Replace ifdeffery by pm_sleep_ptr() macro to improve this.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---
>  drivers/pinctrl/intel/pinctrl-baytrail.c | 21 ++++++++++++++-------
>  1 file changed, 14 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/pinctrl/intel/pinctrl-baytrail.c b/drivers/pinctrl/intel/pinctrl-baytrail.c
> index 4533c4d0a9e7..7aa0ddca7a59 100644
> --- a/drivers/pinctrl/intel/pinctrl-baytrail.c
> +++ b/drivers/pinctrl/intel/pinctrl-baytrail.c
> @@ -1514,13 +1514,6 @@ static int byt_gpio_probe(struct intel_pinctrl *vg)
>  	gc->parent	= vg->dev;
>  	gc->ngpio	= vg->soc->npins;
>  
> -#ifdef CONFIG_PM_SLEEP
> -	vg->context.pads = devm_kcalloc(vg->dev, gc->ngpio, sizeof(*vg->context.pads),
> -					GFP_KERNEL);
> -	if (!vg->context.pads)
> -		return -ENOMEM;
> -#endif
> -
>  	/* set up interrupts  */
>  	irq = platform_get_irq_optional(pdev, 0);
>  	if (irq > 0) {
> @@ -1581,6 +1574,16 @@ static const struct acpi_device_id byt_gpio_acpi_match[] = {
>  	{ }
>  };
>  
> +static int byt_pinctrl_pm_init(struct intel_pinctrl *vg)
> +{
> +	vg->context.pads = devm_kcalloc(vg->dev, vg->soc->npins,
> +					sizeof(*vg->context.pads), GFP_KERNEL);
> +	if (!vg->context.pads)
> +		return -ENOMEM;
> +
> +	return 0;
> +}
> +
>  static int byt_pinctrl_probe(struct platform_device *pdev)
>  {
>  	const struct intel_pinctrl_soc_data *soc_data;
> @@ -1603,6 +1606,10 @@ static int byt_pinctrl_probe(struct platform_device *pdev)
>  		return ret;
>  	}
>  
> +	ret = pm_sleep_ptr(byt_pinctrl_pm_init) ? byt_pinctrl_pm_init(vg) : 0;

Same here.

> +	if (ret)
> +		return ret;
> +
>  	vg->pctldesc		= byt_pinctrl_desc;
>  	vg->pctldesc.name	= dev_name(dev);
>  	vg->pctldesc.pins	= vg->soc->pins;
> -- 
> 2.43.0.rc1.1336.g36b5255a03ac