[PATCH v2 01/29] drm: make drm_panel.h self-contained

[Masahiro Yamada]

-ENOSYS and -EINVAL are referenced in some static inline functions.
of_drm_find_pane() takes a pointer to struct device_node.

Make this header self-contained to not depend on specific include
order.

Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
---

Changes in v2: None

 include/drm/drm_panel.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h
index 1b364b0..14ac240 100644
--- a/include/drm/drm_panel.h
+++ b/include/drm/drm_panel.h
@@ -24,8 +24,10 @@
 #ifndef __DRM_PANEL_H__
 #define __DRM_PANEL_H__
 
+#include <linux/errno.h>
 #include <linux/list.h>
 
+struct device_node;
 struct drm_connector;
 struct drm_device;
 struct drm_panel;
-- 
2.7.4