Since introduction of of_display_timings_exist() function in commit
cc3f414cf2e40 ("video: add of helper for display timings/videomode") it
didn't attract any users, and the function has no potential, because
of_get_display_timings() covers its functionality and does more.
Drop the unused exported function from the kernel.
Signed-off-by: Vladimir Zapolskiy <vz@xxxxxxxxx>
---
drivers/video/of_display_timing.c | 20 --------------------
include/video/of_display_timing.h | 5 -----
2 files changed, 25 deletions(-)
diff --git a/drivers/video/of_display_timing.c b/drivers/video/of_display_timing.c
index 8ce0a99..83b8963 100644
--- a/drivers/video/of_display_timing.c
+++ b/drivers/video/of_display_timing.c
@@ -244,23 +244,3 @@ struct display_timings *of_get_display_timings(const struct device_node *np)
return NULL;
}
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(const struct device_node *np)
-{
- struct device_node *timings_np;
-
- if (!np)
- return -EINVAL;
-
- timings_np = of_parse_phandle(np, "display-timings", 0);
- if (!timings_np)
- return -EINVAL;
-
- of_node_put(timings_np);
- return 1;
-}
-EXPORT_SYMBOL_GPL(of_display_timings_exist);
diff --git a/include/video/of_display_timing.h b/include/video/of_display_timing.h
index 956455f..bb29e59 100644
--- a/include/video/of_display_timing.h
+++ b/include/video/of_display_timing.h
@@ -19,7 +19,6 @@ struct display_timings;
int of_get_display_timing(const struct device_node *np, const char *name,
struct display_timing *dt);
struct display_timings *of_get_display_timings(const struct device_node *np);
-int of_display_timings_exist(const struct device_node *np);
#else
static inline int of_get_display_timing(const struct device_node *np,
const char *name, struct display_timing *dt)
@@ -31,10 +30,6 @@ of_get_display_timings(const struct device_node *np)
{
return NULL;
}
-static inline int of_display_timings_exist(const struct device_node *np)
-{
- return -ENOSYS;
-}
#endif
#endif
--
2.10.2
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