Add _dt_find_by_path() to find a matching node with path for a dt_device_node.
Signed-off-by: Vikram Garhwal <fnu.vik...@xilinx.com>
---
xen/common/device_tree.c | 10 ++++++++--
xen/include/xen/device_tree.h | 9 +++++++++
2 files changed, 17 insertions(+), 2 deletions(-)
diff --git a/xen/common/device_tree.c b/xen/common/device_tree.c
index f43d66a501..2e334f949e 100644
--- a/xen/common/device_tree.c
+++ b/xen/common/device_tree.c
@@ -358,17 +358,23 @@ struct dt_device_node *dt_find_node_by_type(struct
dt_device_node *from,
return np;
}
-struct dt_device_node *dt_find_node_by_path(const char *path)
+struct dt_device_node *_dt_find_node_by_path(struct dt_device_node *dt,
+ const char *path)
{
struct dt_device_node *np;
- dt_for_each_device_node(dt_host, np)
+ dt_for_each_device_node(dt, np)
if ( np->full_name && (dt_node_cmp(np->full_name, path) == 0) )
break;
return np;
}
+struct dt_device_node *dt_find_node_by_path(const char *path)
+{
+ return _dt_find_node_by_path(dt_host, path);
+}
+
int dt_find_node_by_gpath(XEN_GUEST_HANDLE(char) u_path, uint32_t u_plen,
struct dt_device_node **node)
{
diff --git a/xen/include/xen/device_tree.h b/xen/include/xen/device_tree.h
index 06d7866c10..9da32a851e 100644
--- a/xen/include/xen/device_tree.h
+++ b/xen/include/xen/device_tree.h
@@ -525,6 +525,15 @@ struct dt_device_node *dt_find_node_by_alias(const char
*alias);
*/
struct dt_device_node *dt_find_node_by_path(const char *path);
+/**
+ * _dt_find_node_by_path - Find a node matching a full DT path
+ * @dt_node: The device tree to search
+ * @path: The full path to match
+ *
+ * Returns a node pointer.
+ */
+struct dt_device_node *_dt_find_node_by_path(struct dt_device_node *dt,
+ const char *path);
/**
* dt_find_node_by_gpath - Same as dt_find_node_by_path but retrieve the
--
2.17.1
