xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

device property: Move fwnode graph ops to firmware specific locations

Browse Source 
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>
This commit is contained in:
Sakari Ailus
2017-06-06 12:37:38 +03:00
committed by Rafael J. Wysocki
parent 3708184afc
commit 3b27d00e7b
4 changed files with 114 additions and 83 deletions
Download Patch File Download Diff File Expand all files Collapse all files

52
drivers/of/property.c
View File

@@ -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,
};