dm: core: Correct device_get_child_by_of_offset() parameter

[oweals/u-boot.git] / drivers / core / device.c

diff --git a/drivers/core/device.c b/drivers/core/device.c
index 85fd1fc7350331d48721539cbb42ca5ae33f8206..456426a95796aef86e37fc512de5d04d85e9c799 100644 (file)
--- a/drivers/core/device.c
+++ b/drivers/core/device.c
@@ -459,17 +459,42 @@ int device_find_child_by_of_offset(struct udevice *parent, int of_offset,
        return -ENODEV;
 }
 
-int device_get_child_by_of_offset(struct udevice *parent, int seq,
+int device_get_child_by_of_offset(struct udevice *parent, int node,
                                  struct udevice **devp)
 {
        struct udevice *dev;
        int ret;
 
        *devp = NULL;
-       ret = device_find_child_by_of_offset(parent, seq, &dev);
+       ret = device_find_child_by_of_offset(parent, node, &dev);
        return device_get_device_tail(dev, ret, devp);
 }
 
+static struct udevice *_device_find_global_by_of_offset(struct udevice *parent,
+                                                       int of_offset)
+{
+       struct udevice *dev, *found;
+
+       if (parent->of_offset == of_offset)
+               return parent;
+
+       list_for_each_entry(dev, &parent->child_head, sibling_node) {
+               found = _device_find_global_by_of_offset(dev, of_offset);
+               if (found)
+                       return found;
+       }
+
+       return NULL;
+}
+
+int device_get_global_by_of_offset(int of_offset, struct udevice **devp)
+{
+       struct udevice *dev;
+
+       dev = _device_find_global_by_of_offset(gd->dm_root, of_offset);
+       return device_get_device_tail(dev, dev ? 0 : -ENOENT, devp);
+}
+
 int device_find_first_child(struct udevice *parent, struct udevice **devp)
 {
        if (list_empty(&parent->child_head)) {