Add dt_print_node_names() to print all nodes under a dt_device_node.
dt_print_node_names() takes a dt_device_node type input and prints the node name
of all the subsequent nodes. This is added for debugging purpose for device tree
overlays.
Signed-off-by: Vikram Garhwal <fnu.vik...@xilinx.com>
---
xen/common/device_tree.c | 10 ++++++++++
xen/include/xen/device_tree.h | 5 +++++
2 files changed, 15 insertions(+)
diff --git a/xen/common/device_tree.c b/xen/common/device_tree.c
index cda21be..bfe3191 100644
--- a/xen/common/device_tree.c
+++ b/xen/common/device_tree.c
@@ -308,6 +308,16 @@ struct dt_device_node *dt_find_node_by_path(const char
*path)
return np;
}
+void dt_print_node_names(struct dt_device_node *dt)
+{
+ struct dt_device_node *np;
+
+ dt_for_each_device_node(dt, np)
+ dt_dprintk("Node name: %s Full name %s\n", np->name, np->full_name);
+
+ return;
+}
+
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 a4e98a7..dcd96b4 100644
--- a/xen/include/xen/device_tree.h
+++ b/xen/include/xen/device_tree.h
@@ -483,6 +483,11 @@ struct dt_device_node *dt_find_node_by_path(const char
*path);
int dt_find_node_by_gpath(XEN_GUEST_HANDLE(char) u_path, uint32_t u_plen,
struct dt_device_node **node);
+/*
+ * Prints all node names.
+ */
+void dt_print_node_names(struct dt_device_node *dt);
+
/**
* dt_get_parent - Get a node's parent if any
* @node: Node to get parent
--
2.7.4
