linux-kernel - Re: [PATCH v9 2/6] leds: flash: Fix multicolor registration no-ops by return 0

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Date:   Thu, 26 Nov 2020 19:14:14 +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 2/6] leds: flash: Fix multicolor registration no-ops by
 return 0

Hi Gene,

On 11/26/20 12:37 PM, Gene Chen wrote:
> From: Gene Chen <gene_chen@...htek.com>
> 
> Fix multicolor registration no-ops by return 0
> 
> Signed-off-by: Gene Chen <gene_chen@...htek.com>
> ---
>   include/linux/led-class-multicolor.h | 42 +++++++++++++-----------------------
>   1 file changed, 15 insertions(+), 27 deletions(-)
> 
> diff --git a/include/linux/led-class-multicolor.h b/include/linux/led-class-multicolor.h
> index 5116f9a..210d57b 100644
> --- a/include/linux/led-class-multicolor.h
> +++ b/include/linux/led-class-multicolor.h
> @@ -44,12 +44,6 @@ int led_classdev_multicolor_register_ext(struct device *parent,
>   					    struct led_classdev_mc *mcled_cdev,
>   					    struct led_init_data *init_data);
>   
> -static inline int led_classdev_multicolor_register(struct device *parent,
> -					    struct led_classdev_mc *mcled_cdev)
> -{
> -	return led_classdev_multicolor_register_ext(parent, mcled_cdev, NULL);
> -}
> -
>   /**
>    * led_classdev_multicolor_unregister - unregisters an object of led_classdev
>    *					class with support for multicolor LEDs
> @@ -68,13 +62,6 @@ int devm_led_classdev_multicolor_register_ext(struct device *parent,
>   					  struct led_classdev_mc *mcled_cdev,
>   					  struct led_init_data *init_data);
>   
> -static inline int devm_led_classdev_multicolor_register(struct device *parent,
> -				     struct led_classdev_mc *mcled_cdev)
> -{
> -	return devm_led_classdev_multicolor_register_ext(parent, mcled_cdev,
> -							 NULL);
> -}
> -
>   void devm_led_classdev_multicolor_unregister(struct device *parent,
>   					    struct led_classdev_mc *mcled_cdev);
>   #else
> @@ -83,27 +70,33 @@ static inline int led_classdev_multicolor_register_ext(struct device *parent,
>   					    struct led_classdev_mc *mcled_cdev,
>   					    struct led_init_data *init_data)
>   {
> -	return -EINVAL;
> -}
> -
> -static inline int led_classdev_multicolor_register(struct device *parent,
> -					    struct led_classdev_mc *mcled_cdev)
> -{
> -	return led_classdev_multicolor_register_ext(parent, mcled_cdev, NULL);
> +	return 0;
>   }
>   
>   static inline void led_classdev_multicolor_unregister(struct led_classdev_mc *mcled_cdev) {};
>   static inline int led_mc_calc_color_components(struct led_classdev_mc *mcled_cdev,
>   					       enum led_brightness brightness)
>   {
> -	return -EINVAL;
> +	return 0;
>   }
>   
>   static inline int devm_led_classdev_multicolor_register_ext(struct device *parent,
>   					  struct led_classdev_mc *mcled_cdev,
>   					  struct led_init_data *init_data)
>   {
> -	return -EINVAL;
> +	return 0;
> +}
> +
> +static inline void devm_led_classdev_multicolor_unregister(struct device *parent,
> +					    struct led_classdev_mc *mcled_cdev)
> +{};
> +
> +#endif  /* IS_ENABLED(CONFIG_LEDS_CLASS_MULTICOLOR) */
> +
> +static inline int led_classdev_multicolor_register(struct device *parent,
> +					    struct led_classdev_mc *mcled_cdev)
> +{
> +	return led_classdev_multicolor_register_ext(parent, mcled_cdev, NULL);
>   }
>   
>   static inline int devm_led_classdev_multicolor_register(struct device *parent,
> @@ -113,9 +106,4 @@ static inline int devm_led_classdev_multicolor_register(struct device *parent,
>   							 NULL);
>   }
>   
> -static inline void devm_led_classdev_multicolor_unregister(struct device *parent,
> -					    struct led_classdev_mc *mcled_cdev)
> -{};
> -
> -#endif  /* IS_ENABLED(CONFIG_LEDS_CLASS_MULTICOLOR) */
>   #endif	/* _LINUX_MULTICOLOR_LEDS_H_INCLUDED */
> 

Here the same comment as for the patch 1/6.

With that:

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

-- 
Best regards,
Jacek Anaszewski