Re: [PATCH v8 1/6] leds: flash: Add flash registration with undefined CONFIG_LEDS_CLASS_FLASH

[Jacek Anaszewski <jacek.anaszewski@gmail.com>]

Hi Gene,

On 11/25/20 11:51 AM, Gene Chen wrote:
> From: Gene Chen <gene_chen@richtek.com>
> 
> Add flash registration with undefined CONFIG_LEDS_CLASS_FLASH
> 
> Signed-off-by: Gene Chen <gene_chen@richtek.com>
> ---
>   include/linux/led-class-flash.h | 36 ++++++++++++++++++++++++++++++++++++
>   1 file changed, 36 insertions(+)
> 
> diff --git a/include/linux/led-class-flash.h b/include/linux/led-class-flash.h
> index 21a3358..5f36eae 100644
> --- a/include/linux/led-class-flash.h
> +++ b/include/linux/led-class-flash.h
> @@ -85,6 +85,7 @@ static inline struct led_classdev_flash *lcdev_to_flcdev(
>   	return container_of(lcdev, struct led_classdev_flash, led_cdev);
>   }
>   
> +#if IS_ENABLED(CONFIG_LEDS_CLASS_FLASH)
>   /**
>    * led_classdev_flash_register_ext - register a new object of LED class with
>    *				     init data and with support for flash LEDs
> @@ -127,6 +128,41 @@ static inline int devm_led_classdev_flash_register(struct device *parent,
>   void devm_led_classdev_flash_unregister(struct device *parent,
>   					struct led_classdev_flash *fled_cdev);
>   
> +#else
> +
> +static inline int led_classdev_flash_register_ext(struct device *parent,
> +				    struct led_classdev_flash *fled_cdev,
> +				    struct led_init_data *init_data)
> +{
> +	return 0;
> +}
> +
> +static inline int led_classdev_flash_register(struct device *parent,
> +					   struct led_classdev_flash *fled_cdev)
> +{
> +	return led_classdev_flash_register_ext(parent, fled_cdev, NULL);
> +}

This function can be placed after #ifdef block - now it is in two copies
in this file.

> +
> +static inline void led_classdev_flash_unregister(struct led_classdev_flash *fled_cdev) {};
> +static inline int devm_led_classdev_flash_register_ext(struct device *parent,
> +				     struct led_classdev_flash *fled_cdev,
> +				     struct led_init_data *init_data)
> +{
> +	return 0;
> +}
> +
> +static inline int devm_led_classdev_flash_register(struct device *parent,
> +				     struct led_classdev_flash *fled_cdev)
> +{
> +	return devm_led_classdev_flash_register_ext(parent, fled_cdev, NULL);
> +}

Ditto.

> +static inline void devm_led_classdev_flash_unregister(struct device *parent,
> +					struct led_classdev_flash *fled_cdev)
> +{};
> +
> +#endif  /* IS_ENABLED(CONFIG_LEDS_CLASS_FLASH) */
> +
>   /**
>    * led_set_flash_strobe - setup flash strobe
>    * @fled_cdev: the flash LED to set strobe on
> 

-- 
Best regards,
Jacek Anaszewski