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authorJani Nikula <jani.nikula@intel.com>2019-07-18 19:14:57 +0300
committerSam Ravnborg <sam@ravnborg.org>2019-07-20 00:23:56 +0300
commitbf3f5e98559360661a3d2af340d46522512c0b00 (patch)
tree32063607eb3d425f33da7540c18a9a04eae5a5ed /include/drm/drm_panel.h
parent1e9907362453b9ddf9e73a144bec91f15ca0d536 (diff)
downloadlinux-bf3f5e98559360661a3d2af340d46522512c0b00.tar.xz
drm/panel: make drm_panel.h self-contained
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") Signed-off-by: Jani Nikula <jani.nikula@intel.com> Acked-by: Thierry Reding <treding@nvidia.com> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Sean Paul <sean@poorly.run> Cc: Boris Brezillon <bbrezillon@kernel.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190718161507.2047-2-sam@ravnborg.org
Diffstat (limited to 'include/drm/drm_panel.h')
-rw-r--r--include/drm/drm_panel.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h
index 8c738c0e6e9f..26377836141c 100644
--- a/include/drm/drm_panel.h
+++ b/include/drm/drm_panel.h
@@ -24,6 +24,7 @@
#ifndef __DRM_PANEL_H__
#define __DRM_PANEL_H__
+#include <linux/err.h>
#include <linux/errno.h>
#include <linux/list.h>