This implements get_name fwnode op for DT.

Signed-off-by: Heikki Krogerus <heikki.kroge...@linux.intel.com>
---
 drivers/of/property.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/of/property.c b/drivers/of/property.c
index f46828e3b082..403bc9cbbaf4 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -823,6 +823,18 @@ static void of_fwnode_put(struct fwnode_handle *fwnode)
        of_node_put(to_of_node(fwnode));
 }
 
+static int of_fwnode_get_name(const struct fwnode_handle *fwnode, char *buf,
+                             size_t len)
+{
+       const struct device_node *node = to_of_node(fwnode);
+
+       if (len < snprintf(NULL, 0, "%pOFn", node) + 1)
+               return -EOVERFLOW;
+
+       sprintf(buf, "%pOFn", node);
+       return 0;
+}
+
 static bool of_fwnode_device_is_available(const struct fwnode_handle *fwnode)
 {
        return of_device_is_available(to_of_node(fwnode));
@@ -987,6 +999,7 @@ of_fwnode_device_get_match_data(const struct fwnode_handle 
*fwnode,
 const struct fwnode_operations of_fwnode_ops = {
        .get = of_fwnode_get,
        .put = of_fwnode_put,
+       .get_name = of_fwnode_get_name,
        .device_is_available = of_fwnode_device_is_available,
        .device_get_match_data = of_fwnode_device_get_match_data,
        .property_present = of_fwnode_property_present,
-- 
2.19.2

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