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| author |   Marco Felsch <m.felsch@pengutronix.de> | 2020-03-12 11:31:40 +0100 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-03-12 16:30:56 +0100 |
| commit | 507a0ba93aa1cf2837d2abc4ab0cbad3c29409d3 (patch) | |
| tree | e06bd721f3645c327a170451abfd7f737d40fdc0 /drivers/media/v4l2-core | |
| parent | media: v4l2-fwnode: fix v4l2_fwnode_parse_link handling (diff) | |
| download | wireguard-linux-507a0ba93aa1cf2837d2abc4ab0cbad3c29409d3.tar.xz wireguard-linux-507a0ba93aa1cf2837d2abc4ab0cbad3c29409d3.zip | |
media: v4l2-fwnode: simplify v4l2_fwnode_parse_link
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>
Diffstat (limited to 'drivers/media/v4l2-core')
| -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 d56eee9c09b8..316e19615d88 100644 --- a/drivers/media/v4l2-core/v4l2-fwnode.c +++ b/drivers/media/v4l2-core/v4l2-fwnode.c @@ -557,33 +557,26 @@ 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 = "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; } |