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path: root/drivers/video/of_display_timing.c
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Diffstat (limited to 'drivers/video/of_display_timing.c')
-rw-r--r--drivers/video/of_display_timing.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/video/of_display_timing.c b/drivers/video/of_display_timing.c
index 8a1076beecd3..26c88f7839d2 100644
--- a/drivers/video/of_display_timing.c
+++ b/drivers/video/of_display_timing.c
@@ -110,7 +110,7 @@ static int of_parse_display_timing(const struct device_node *np,
* @name: name of the timing node
* @dt: display_timing struct to fill
**/
-int of_get_display_timing(struct device_node *np, const char *name,
+int of_get_display_timing(const struct device_node *np, const char *name,
struct display_timing *dt)
{
struct device_node *timing_np;
@@ -133,7 +133,7 @@ EXPORT_SYMBOL_GPL(of_get_display_timing);
* of_get_display_timings - parse all display_timing entries from a device_node
* @np: device_node with the subnodes
**/
-struct display_timings *of_get_display_timings(struct device_node *np)
+struct display_timings *of_get_display_timings(const struct device_node *np)
{
struct device_node *timings_np;
struct device_node *entry;
@@ -249,7 +249,7 @@ EXPORT_SYMBOL_GPL(of_get_display_timings);
* of_display_timings_exist - check if a display-timings node is provided
* @np: device_node with the timing
**/
-int of_display_timings_exist(struct device_node *np)
+int of_display_timings_exist(const struct device_node *np)
{
struct device_node *timings_np;