Re: [PATCH] backlight: extend of_find_backlight_by_node stub-check to modules

[Lee Jones <lee.jones@linaro.org>]

On Tue, 04 Nov 2014, 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@sntech.de>
> ---
>  include/linux/backlight.h | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Applied with Jingoo's Ack.

> 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 *

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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