Re: [PATCH v3 01/17] pinctrl: intel: Provide Intel pin control wide PM ops structure

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On Mon, 30 Oct 2023 14:07:18 +0200
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:

> With the help of EXPORT_NS_GPL_DEV_PM_OPS() and
> NOIRQ_SYSTEM_SLEEP_PM_OPS() we may convert PM ops functions to become
> static. This also takes into account the PM configuration options such
> as CONFIG_PM and CONFIG_PM_SLEEP. Hence the first step is to provide
> a generic PM ops structure that can be used by drivers directly.

It's a good thing to do, but if rolling a v3, should mention that the export
moves into the namespace.

> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Other than that,
LGTM

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>

> ---
>  drivers/pinctrl/intel/pinctrl-intel.c | 8 +++++---
>  drivers/pinctrl/intel/pinctrl-intel.h | 4 ++--
>  2 files changed, 7 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c
> index b19527a8728e..9fbdc7bfa65c 100644
> --- a/drivers/pinctrl/intel/pinctrl-intel.c
> +++ b/drivers/pinctrl/intel/pinctrl-intel.c
> @@ -899,7 +899,7 @@ static int intel_gpio_to_pin(struct intel_pinctrl *pctrl, unsigned int offset,
>   *
>   * Return: a GPIO offset, or negative error code if translation can't be done.
>   */
> -static __maybe_unused int intel_pin_to_gpio(struct intel_pinctrl *pctrl, int pin)
> +static int intel_pin_to_gpio(struct intel_pinctrl *pctrl, int pin)
>  {
>  	const struct intel_community *community;
>  	const struct intel_padgroup *padgrp;
> @@ -1682,7 +1682,6 @@ const struct intel_pinctrl_soc_data *intel_pinctrl_get_soc_data(struct platform_
>  }
>  EXPORT_SYMBOL_NS_GPL(intel_pinctrl_get_soc_data, PINCTRL_INTEL);
>  
> -#ifdef CONFIG_PM_SLEEP
>  static bool __intel_gpio_is_direct_irq(u32 value)
>  {
>  	return (value & PADCFG0_GPIROUTIOXAPIC) && (value & PADCFG0_GPIOTXDIS) &&
> @@ -1883,7 +1882,10 @@ int intel_pinctrl_resume_noirq(struct device *dev)
>  	return 0;
>  }
>  EXPORT_SYMBOL_GPL(intel_pinctrl_resume_noirq);
> -#endif
> +
> +EXPORT_NS_GPL_DEV_PM_OPS(intel_pinctrl_pm_ops, PINCTRL_INTEL) = {
> +	NOIRQ_SYSTEM_SLEEP_PM_OPS(intel_pinctrl_suspend_noirq, intel_pinctrl_resume_noirq)
> +};
>  
>  MODULE_AUTHOR("Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>");
>  MODULE_AUTHOR("Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>");
> diff --git a/drivers/pinctrl/intel/pinctrl-intel.h b/drivers/pinctrl/intel/pinctrl-intel.h
> index 2bb553598e8b..d3f511f97ed9 100644
> --- a/drivers/pinctrl/intel/pinctrl-intel.h
> +++ b/drivers/pinctrl/intel/pinctrl-intel.h
> @@ -255,10 +255,8 @@ struct intel_pinctrl {
>  int intel_pinctrl_probe_by_hid(struct platform_device *pdev);
>  int intel_pinctrl_probe_by_uid(struct platform_device *pdev);
>  
> -#ifdef CONFIG_PM_SLEEP
>  int intel_pinctrl_suspend_noirq(struct device *dev);
>  int intel_pinctrl_resume_noirq(struct device *dev);
> -#endif
>  
>  #define INTEL_PINCTRL_PM_OPS(_name)					\
>  const struct dev_pm_ops _name = {					\
> @@ -266,6 +264,8 @@ const struct dev_pm_ops _name = {					\
>  				      intel_pinctrl_resume_noirq)	\
>  }
>  
> +extern const struct dev_pm_ops intel_pinctrl_pm_ops;
> +
>  struct intel_community *intel_get_community(struct intel_pinctrl *pctrl, unsigned int pin);
>  
>  int intel_get_groups_count(struct pinctrl_dev *pctldev);




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