commit 327bc443416d5aeb37e27704b2d91d2f86b8c621
author Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Sat Nov 19 05:28:05 2016 +0200
committer Thierry Reding <treding@nvidia.com> Wed Jan 04 08:30:37 2017 +0100
tree a6fb7dbc7b70fa756aee6b22de6a87f464c48346
parent 0c744ea4f77d72b3dcebb7a8f2684633ec79be88

drm/panel: Constify device node argument to of_drm_find_panel()

The argument is never modified by the function, make it const.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

drivers/gpu/drm/drm_panel.c

diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c
index 3dfe3c8..308d442 100644
--- a/drivers/gpu/drm/drm_panel.c
+++ b/drivers/gpu/drm/drm_panel.c
@@ -137,7 +137,7 @@ EXPORT_SYMBOL(drm_panel_detach);
  * Return: A pointer to the panel registered for the specified device tree
  * node or NULL if no panel matching the device tree node can be found.
  */
-struct drm_panel *of_drm_find_panel(struct device_node *np)
+struct drm_panel *of_drm_find_panel(const struct device_node *np)
 {
 	struct drm_panel *panel;
 

include/drm/drm_panel.h

diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h
index 220d1e2b..4b76cf2 100644
--- a/include/drm/drm_panel.h
+++ b/include/drm/drm_panel.h
@@ -193,9 +193,9 @@ int drm_panel_attach(struct drm_panel *panel, struct drm_connector *connector);
 int drm_panel_detach(struct drm_panel *panel);
 
 #ifdef CONFIG_OF
-struct drm_panel *of_drm_find_panel(struct device_node *np);
+struct drm_panel *of_drm_find_panel(const struct device_node *np);
 #else
-static inline struct drm_panel *of_drm_find_panel(struct device_node *np)
+static inline struct drm_panel *of_drm_find_panel(const struct device_node *np)
 {
 	return NULL;
 }