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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2013-05-17 07:31:04 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2013-12-18 06:25:53 -0200
commit9ff889b612ae3c36a537b8f023dd0201412de87f (patch)
treeb248bbb6c7096ff6820ece07698aaeaf2d25af15
parent792e8eca55c8aebb369f7fdf4c7e3c01703cc8c4 (diff)
downloadlwn-9ff889b612ae3c36a537b8f023dd0201412de87f.tar.gz
lwn-9ff889b612ae3c36a537b8f023dd0201412de87f.zip
[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>
-rw-r--r--drivers/media/v4l2-core/v4l2-of.c8
-rw-r--r--include/media/v4l2-of.h4
2 files changed, 8 insertions, 4 deletions
diff --git a/drivers/media/v4l2-core/v4l2-of.c b/drivers/media/v4l2-core/v4l2-of.c
index a6478dca0cde..66a0e2337184 100644
--- 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 3a8a84124b44..3480cd00d5c1 100644
--- 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(