[DM/Platform] Fixup the node will probe more than once

If a node request a new node or it's parent node. the  request's node will probe a double time.
So we check the device object of node in ofw probe entry and ofw probe child exit.

1 files changed, 12 insertions, 0 deletions

diff --git a/components/drivers/core/platform_ofw.c b/components/drivers/core/platform_ofw.c
index 1b1aa2733a..dbe091935e 100644
--- a/components/drivers/core/platform_ofw.c
+++ b/components/drivers/core/platform_ofw.c
@@ -117,6 +117,12 @@ static rt_err_t platform_ofw_device_probe_once(struct rt_ofw_node *parent_np)
         struct rt_ofw_node_id *id;
         struct rt_ofw_prop *compat_prop = RT_NULL;
 
+        if (np->dev)
+        {
+            /* Check first */
+            continue;
+        }
+
         LOG_D("%s found in %s", np->full_name, parent_np->full_name);
 
         /* Is system node or have driver */
@@ -151,6 +157,12 @@ static rt_err_t platform_ofw_device_probe_once(struct rt_ofw_node *parent_np)
             }
         }
 
+        if (np->dev)
+        {
+            /* Maybe the childs have requested this node */
+            continue;
+        }
+
         pdev = alloc_ofw_platform_device(np);
 
         if (!pdev)