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

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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>
This commit is contained in:
Laurent Pinchart 2016-11-19 05:28:05 +02:00 committed by Thierry Reding
parent 0c744ea4f7
commit 327bc44341
2 changed files with 3 additions and 3 deletions
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2
drivers/gpu/drm/drm_panel.c
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@ -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;

4
include/drm/drm_panel.h
View File

@ -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;
}