diff options
| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2017-06-06 12:37:38 +0300 |
|---|---|---|
| committer | Tao Huang <huangtao@rock-chips.com> | 2017-11-27 14:12:20 +0800 |
| commit | 339a6f76b037acd4e1a9697ef3d18565d1cdf75b (patch) | |
| tree | e6f2da42ba853d6e4290e3cbc5a901b1e7ac2822 /drivers/of | |
| parent | 2bf7ce381df119e76c19e02076559e2316887f62 (diff) | |
UPSTREAM: device property: Move fwnode graph ops to firmware specific locations
Move firmware specific implementations of the fwnode graph operations to
firmware specific locations.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
(cherry picked from commit 3b27d00e7b6d7c889d87fd00df600c495b968e30)
Signed-off-by: Brian J Lovin <brian.j.lovin@intel.com>
BUG=b:64133998
TEST=media device topology shows subdevs registered successfully
TEST=no camera regression
Change-Id: I4ced7427583a5438cfb5624d882ac8da96d03e70
Reviewed-on: https://chromium-review.googlesource.com/693677
Commit-Ready: Tomasz Figa <tfiga@chromium.org>
Tested-by: Hyungwoo Yang <hyungwoo.yang@intel.com>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Jacob Chen <jacob2.chen@rock-chips.com>
Diffstat (limited to 'drivers/of')
| -rw-r--r-- | drivers/of/property.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/of/property.c b/drivers/of/property.c index 7c6686eb5637..89d206f18be1 100644 --- a/drivers/of/property.c +++ b/drivers/of/property.c @@ -844,6 +844,54 @@ of_fwnode_get_named_child_node(struct fwnode_handle *fwnode, return NULL; } +static struct fwnode_handle * +of_fwnode_graph_get_next_endpoint(struct fwnode_handle *fwnode, + struct fwnode_handle *prev) +{ + return of_fwnode_handle(of_graph_get_next_endpoint(to_of_node(fwnode), + to_of_node(prev))); +} + +static struct fwnode_handle * +of_fwnode_graph_get_remote_endpoint(struct fwnode_handle *fwnode) +{ + return of_fwnode_handle(of_parse_phandle(to_of_node(fwnode), + "remote-endpoint", 0)); +} + +static struct fwnode_handle * +of_fwnode_graph_get_port_parent(struct fwnode_handle *fwnode) +{ + struct device_node *np; + + /* Get the parent of the port */ + np = of_get_next_parent(to_of_node(fwnode)); + if (!np) + return NULL; + + /* Is this the "ports" node? If not, it's the port parent. */ + if (of_node_cmp(np->name, "ports")) + return of_fwnode_handle(np); + + return of_fwnode_handle(of_get_next_parent(np)); +} + +static int of_fwnode_graph_parse_endpoint(struct fwnode_handle *fwnode, + struct fwnode_endpoint *endpoint) +{ + struct device_node *node = to_of_node(fwnode); + struct device_node *port_node = of_get_parent(node); + + endpoint->local_fwnode = fwnode; + + of_property_read_u32(port_node, "reg", &endpoint->port); + of_property_read_u32(node, "reg", &endpoint->id); + + of_node_put(port_node); + + return 0; +} + const struct fwnode_operations of_fwnode_ops = { .get = of_fwnode_get, .put = of_fwnode_put, @@ -853,4 +901,8 @@ const struct fwnode_operations of_fwnode_ops = { .get_parent = of_fwnode_get_parent, .get_next_child_node = of_fwnode_get_next_child_node, .get_named_child_node = of_fwnode_get_named_child_node, + .graph_get_next_endpoint = of_fwnode_graph_get_next_endpoint, + .graph_get_remote_endpoint = of_fwnode_graph_get_remote_endpoint, + .graph_get_port_parent = of_fwnode_graph_get_port_parent, + .graph_parse_endpoint = of_fwnode_graph_parse_endpoint, }; |