Re: [PATCH] drm/omap: displays: panel-dpi: add backlight dependency

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Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki

On 05/10/17 15:06, Arnd Bergmann wrote:
> The new backlight code causes a link failure when backlight
> support itself is disabled:
> 
> drivers/gpu/drm/omapdrm/displays/panel-dpi.o: In function `panel_dpi_probe_of':
> panel-dpi.c:(.text+0x35c): undefined reference to `of_find_backlight_by_node'
> 
> This adds a Kconfig dependency like we have for the other OMAP
> display targets.
> 
> Fixes: 39135a305a0f ("drm/omap: displays: panel-dpi: Support for handling backlight devices")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
>  drivers/gpu/drm/omapdrm/displays/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/omapdrm/displays/Kconfig b/drivers/gpu/drm/omapdrm/displays/Kconfig
> index c226da145fb3..a349cb61961e 100644
> --- a/drivers/gpu/drm/omapdrm/displays/Kconfig
> +++ b/drivers/gpu/drm/omapdrm/displays/Kconfig
> @@ -35,6 +35,7 @@ config DRM_OMAP_CONNECTOR_ANALOG_TV
>  
>  config DRM_OMAP_PANEL_DPI
>  	tristate "Generic DPI panel"
> +	depends on BACKLIGHT_CLASS_DEVICE
>  	help
>  	  Driver for generic DPI panels.

Thanks, I've queued this for 4.14 fixes.

 Tomi

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