linux-kernel - Re: [PATCH] backlight: extend of_find_backlight_by

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Date:	Tue, 04 Nov 2014 10:08:08 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Heiko Stübner' <heiko@...ech.de>
Cc:	'Bryan Wu' <cooloney@...il.com>,
	'Lee Jones' <lee.jones@...aro.org>,
	linux-kernel@...r.kernel.org, 'Jingoo Han' <jg1.han@...sung.com>
Subject: Re: [PATCH] backlight: extend of_find_backlight_by_node stub-check to
 modules

On Tuesday, November 04, 2014 9:59 AM, Heiko Stübner wrote:
> 
> Commit de3d75dc2311 ("backlight: Use of_find_backlight_by_node stub when
> backlight class disabled") did not take into account that the backlight
> class can also be compiled as module. Extend the check to prevent
> redefinition warnings when the backlight device class is compiled as module.
> 
> Reported-by: kbuild test robot
> Signed-off-by: Heiko Stuebner <heiko@...ech.de>

Acked-by: Jingoo Han <jg1.han@...sung.com>

If there is no objection, I hope that this patch is merged.
Thank you.

Best regards,
Jingoo Han

> ---
>  include/linux/backlight.h | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/include/linux/backlight.h b/include/linux/backlight.h
> index d9cb644..92b9817 100644
> --- a/include/linux/backlight.h
> +++ b/include/linux/backlight.h
> @@ -157,7 +157,8 @@ struct generic_bl_info {
>  	void (*kick_battery)(void);
>  };
> 
> -#if defined(CONFIG_OF) && defined(CONFIG_BACKLIGHT_CLASS_DEVICE)
> +#if defined(CONFIG_OF) && (defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || \
> +			   defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE))
>  struct backlight_device *of_find_backlight_by_node(struct device_node *node);
>  #else
>  static inline struct backlight_device *
> --
> 2.0.1


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