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path: root/drivers/media/v4l2-core/v4l2-fwnode.c
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Diffstat (limited to 'drivers/media/v4l2-core/v4l2-fwnode.c')
-rw-r--r--drivers/media/v4l2-core/v4l2-fwnode.c43
1 files changed, 23 insertions, 20 deletions
diff --git a/drivers/media/v4l2-core/v4l2-fwnode.c b/drivers/media/v4l2-core/v4l2-fwnode.c
index 48c3b9f72722..00d66495b47d 100644
--- a/drivers/media/v4l2-core/v4l2-fwnode.c
+++ b/drivers/media/v4l2-core/v4l2-fwnode.c
@@ -560,35 +560,38 @@ int v4l2_fwnode_endpoint_alloc_parse(struct fwnode_handle *fwnode,
}
EXPORT_SYMBOL_GPL(v4l2_fwnode_endpoint_alloc_parse);
-int v4l2_fwnode_parse_link(struct fwnode_handle *__fwnode,
+int v4l2_fwnode_parse_link(struct fwnode_handle *fwnode,
struct v4l2_fwnode_link *link)
{
- const char *port_prop = is_of_node(__fwnode) ? "reg" : "port";
- struct fwnode_handle *fwnode;
+ struct fwnode_endpoint fwep;
memset(link, 0, sizeof(*link));
- fwnode = fwnode_get_parent(__fwnode);
- fwnode_property_read_u32(fwnode, port_prop, &link->local_port);
- fwnode = fwnode_get_next_parent(fwnode);
- if (is_of_node(fwnode) && of_node_name_eq(to_of_node(fwnode), "ports"))
- fwnode = fwnode_get_next_parent(fwnode);
- link->local_node = fwnode;
-
- fwnode = fwnode_graph_get_remote_endpoint(__fwnode);
- if (!fwnode) {
- fwnode_handle_put(fwnode);
+ fwnode_graph_parse_endpoint(fwnode, &fwep);
+ link->local_port = fwep.port;
+ link->local_node = fwnode_graph_get_port_parent(fwnode);
+ if (!link->local_node)
return -ENOLINK;
- }
- fwnode = fwnode_get_parent(fwnode);
- fwnode_property_read_u32(fwnode, port_prop, &link->remote_port);
- fwnode = fwnode_get_next_parent(fwnode);
- if (is_of_node(fwnode) && of_node_name_eq(to_of_node(fwnode), "ports"))
- fwnode = fwnode_get_next_parent(fwnode);
- link->remote_node = fwnode;
+ fwnode = fwnode_graph_get_remote_endpoint(fwnode);
+ if (!fwnode)
+ goto err_put_local_node;
+
+ fwnode_graph_parse_endpoint(fwnode, &fwep);
+ link->remote_port = fwep.port;
+ link->remote_node = fwnode_graph_get_port_parent(fwnode);
+ if (!link->remote_node)
+ goto err_put_remote_endpoint;
return 0;
+
+err_put_remote_endpoint:
+ fwnode_handle_put(fwnode);
+
+err_put_local_node:
+ fwnode_handle_put(link->local_node);
+
+ return -ENOLINK;
}
EXPORT_SYMBOL_GPL(v4l2_fwnode_parse_link);