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>
mariux64 · Jan 4, 2017 · 327bc44 · 327bc44
1 parent 0c744ea
commit 327bc44
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git 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;
 

diff --git 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;
 }