diff options
| author | Marco Felsch <m.felsch@pengutronix.de> | 2020-03-12 11:31:40 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-09-23 10:48:07 +0200 |
| commit | 6d121aac3d18b6da5f1ad8628bf67a8f63b9c97d (patch) | |
| tree | edb7a62556a8db342d6335cd6813dec7cd2f6331 | |
| parent | ad53580771dbbeae2e53f6cc252be3759dad7173 (diff) | |
| download | linux-stable-6d121aac3d18b6da5f1ad8628bf67a8f63b9c97d.tar.gz linux-stable-6d121aac3d18b6da5f1ad8628bf67a8f63b9c97d.tar.bz2 linux-stable-6d121aac3d18b6da5f1ad8628bf67a8f63b9c97d.zip | |
media: v4l2-fwnode: simplify v4l2_fwnode_parse_link
[ Upstream commit 507a0ba93aa1cf2837d2abc4ab0cbad3c29409d3 ]
This helper was introduced before those helpers where awailable. Convert
it to cleanup the code and improbe readability.
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Stable-dep-of: d7b13edd4cb4 ("media: v4l2-core: Fix a potential resource leak in v4l2_fwnode_parse_link()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-fwnode.c | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/drivers/media/v4l2-core/v4l2-fwnode.c b/drivers/media/v4l2-core/v4l2-fwnode.c index 158548443fa7..14530fddbef4 100644 --- a/drivers/media/v4l2-core/v4l2-fwnode.c +++ b/drivers/media/v4l2-core/v4l2-fwnode.c @@ -279,33 +279,26 @@ out_err: } 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 = "reg"; - 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_graph_parse_endpoint(fwnode, &fwep); + link->local_port = fwep.port; + link->local_node = fwnode_graph_get_port_parent(fwnode); - fwnode = fwnode_graph_get_remote_endpoint(__fwnode); + fwnode = fwnode_graph_get_remote_endpoint(fwnode); if (!fwnode) { fwnode_handle_put(fwnode); 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_graph_parse_endpoint(fwnode, &fwep); + link->remote_port = fwep.port; + link->remote_node = fwnode_graph_get_port_parent(fwnode); return 0; } |