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authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2016-11-19 04:28:05 +0100
committerThierry Reding <treding@nvidia.com>2017-01-04 08:30:37 +0100
commit327bc443416d5aeb37e27704b2d91d2f86b8c621 (patch)
treea6fb7dbc7b70fa756aee6b22de6a87f464c48346
parentLinux 4.10-rc2 (diff)
downloadlinux-327bc443416d5aeb37e27704b2d91d2f86b8c621.tar.xz
linux-327bc443416d5aeb37e27704b2d91d2f86b8c621.zip
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>
-rw-r--r--drivers/gpu/drm/drm_panel.c2
-rw-r--r--include/drm/drm_panel.h4
2 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c
index 3dfe3c886502..308d442a531b 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;
diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h
index 220d1e2b3db1..4b76cf2d5a7b 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;
}