linux-kernel - Re: [PATCH v9 1/6] leds: flash: Add flash registration with undefined CONFIG_LEDS_CLASS

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Message-ID: <2cfb1dce-8789-8c31-1c5a-873abe896418@gmail.com>
Date:   Thu, 26 Nov 2020 19:12:06 +0100
From:   Jacek Anaszewski <jacek.anaszewski@...il.com>
To:     Gene Chen <gene.chen.richtek@...il.com>, pavel@....cz,
        robh+dt@...nel.org, matthias.bgg@...il.com
Cc:     dmurphy@...com, linux-leds@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        gene_chen@...htek.com, Wilma.Wu@...iatek.com,
        shufan_lee@...htek.com, cy_huang@...htek.com,
        benjamin.chao@...iatek.com
Subject: Re: [PATCH v9 1/6] leds: flash: Add flash registration with undefined
 CONFIG_LEDS_CLASS_FLASH

Hi Gene,

Thank you for addressing my remarks.

On 11/26/20 12:37 PM, Gene Chen wrote:
> From: Gene Chen <gene_chen@...htek.com>
> 
> Add flash registration with undefined CONFIG_LEDS_CLASS_FLASH
> 
> Signed-off-by: Gene Chen <gene_chen@...htek.com>
> ---
>   include/linux/led-class-flash.h | 42 ++++++++++++++++++++++++++++++++---------
>   1 file changed, 33 insertions(+), 9 deletions(-)
> 
> diff --git a/include/linux/led-class-flash.h b/include/linux/led-class-flash.h
> index 21a3358..612b4ca 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
> @@ -98,12 +99,6 @@ int led_classdev_flash_register_ext(struct device *parent,
>   				    struct led_classdev_flash *fled_cdev,
>   				    struct led_init_data *init_data);
>   
> -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);
> -}
> -
>   /**
>    * led_classdev_flash_unregister - unregisters an object of led_classdev class
>    *				   with support for flash LEDs
> @@ -118,15 +113,44 @@ int devm_led_classdev_flash_register_ext(struct device *parent,
>   				     struct led_init_data *init_data);
>   
>   
> +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 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 void devm_led_classdev_flash_unregister(struct device *parent,
> +					struct led_classdev_flash *fled_cdev)
> +{};
> +
> +#endif  /* IS_ENABLED(CONFIG_LEDS_CLASS_FLASH) */
> +
> +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);
> +}
> +
>   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);
>   }
>   
> -void devm_led_classdev_flash_unregister(struct device *parent,
> -					struct led_classdev_flash *fled_cdev);
> -
>   /**
>    * led_set_flash_strobe - setup flash strobe
>    * @fled_cdev: the flash LED to set strobe on
> 

It would be good if patch description mentioned also moving the
functions outside of #ifdef block.

With that:

Acked-by: Jacek Anaszewski <jacek.anaszewski@...il.com>

-- 
Best regards,
Jacek Anaszewski