[Intel-gfx] [PATCH] drm/panel: make drm_panel.h self-contained

Thierry Reding thierry.reding at gmail.com
Thu Jun 27 12:31:22 UTC 2019


On Thu, Jun 27, 2019 at 02:01:03PM +0300, Jani Nikula wrote:
> Fix build warning if drm_panel.h is built with CONFIG_OF=n or
> CONFIG_DRM_PANEL=n and included without the prerequisite err.h:
> 
> ./include/drm/drm_panel.h: In function ‘of_drm_find_panel’:
> ./include/drm/drm_panel.h:203:9: error: implicit declaration of function ‘ERR_PTR’ [-Werror=implicit-function-declaration]
>   return ERR_PTR(-ENODEV);
>          ^~~~~~~
> ./include/drm/drm_panel.h:203:9: error: returning ‘int’ from a function with return type ‘struct drm_panel *’ makes pointer from integer without a cast [-Werror=int-conversion]
>   return ERR_PTR(-ENODEV);
>          ^~~~~~~~~~~~~~~~
> 
> Fixes: 5fa8e4a22182 ("drm/panel: Make of_drm_find_panel() return an ERR_PTR() instead of NULL")
> Cc: Boris Brezillon <boris.brezillon at bootlin.com>
> Cc: Thierry Reding <treding at nvidia.com>
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>
> 
> ---
> 
> I don't know if there's a combo where this actually fails, so I'm not
> adding cc: stable. It's just something I hit when playing with other
> code.
> ---
>  include/drm/drm_panel.h | 1 +
>  1 file changed, 1 insertion(+)

Acked-by: Thierry Reding <treding at nvidia.com>
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