[media] v4l: of: Return an int in v4l2_of_parse_endpoint()

When CONFIG_OF is not defined the v4l2_of_parse_endpoint() function is
defined as a stub that returns -ENOSYS. Make the real function return an
integer as well to be able to differentiate between the two cases.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/media/v4l2-core/v4l2-of.c b/drivers/media/v4l2-core/v4l2-of.c
index a6478dca0cde8086f27ced521cb3a26305793408..66a0e2337184a9e8a2bba1006db2d9ca5f35929d 100644 (file)
--- a/drivers/media/v4l2-core/v4l2-of.c
+++ b/drivers/media/v4l2-core/v4l2-of.c
@@ -121,9 +121,11 @@ static void v4l2_of_parse_parallel_bus(const struct device_node *node,
  * the bus as serial CSI-2 and clock-noncontinuous isn't set, we set the
  * V4L2_MBUS_CSI2_CONTINUOUS_CLOCK flag.
  * The caller should hold a reference to @node.
+ *
+ * Return: 0.
  */
-void v4l2_of_parse_endpoint(const struct device_node *node,
-                           struct v4l2_of_endpoint *endpoint)
+int v4l2_of_parse_endpoint(const struct device_node *node,
+                          struct v4l2_of_endpoint *endpoint)
 {
        struct device_node *port_node = of_get_parent(node);
 
@@ -146,6 +148,8 @@ void v4l2_of_parse_endpoint(const struct device_node *node,
                v4l2_of_parse_parallel_bus(node, endpoint);
 
        of_node_put(port_node);
+
+       return 0;
 }
 EXPORT_SYMBOL(v4l2_of_parse_endpoint);
 

diff --git a/include/media/v4l2-of.h b/include/media/v4l2-of.h
index 3a8a84124b44a7db7125af82830dd49409ac8c87..3480cd00d5c1e0855a2d3fbc1e16128e91fa9071 100644 (file)
--- a/include/media/v4l2-of.h
+++ b/include/media/v4l2-of.h
@@ -72,8 +72,8 @@ struct v4l2_of_endpoint {
 };
 
 #ifdef CONFIG_OF
-void v4l2_of_parse_endpoint(const struct device_node *node,
-                               struct v4l2_of_endpoint *link);
+int v4l2_of_parse_endpoint(const struct device_node *node,
+                          struct v4l2_of_endpoint *endpoint);
 struct device_node *v4l2_of_get_next_endpoint(const struct device_node *parent,
                                        struct device_node *previous);
 struct device_node *v4l2_of_get_remote_port_parent(