efi_loader: add device-path utils

[u-boot] / include / dm / uclass-internal.h

diff --git a/include/dm/uclass-internal.h b/include/dm/uclass-internal.h
index ad284b8445ac411c65f6778f643a82e77d02d098..c086004318308aaa9348d8931f12f1028b665e25 100644 (file)
--- a/include/dm/uclass-internal.h
+++ b/include/dm/uclass-internal.h
@@ -10,6 +10,8 @@
 #ifndef _DM_UCLASS_INTERNAL_H
 #define _DM_UCLASS_INTERNAL_H
 
+#include <dm/ofnode.h>
+
 /**
  * uclass_get_device_tail() - handle the end of a get_device call
  *
@@ -114,6 +116,22 @@ int uclass_find_device_by_seq(enum uclass_id id, int seq_or_req_seq,
 int uclass_find_device_by_of_offset(enum uclass_id id, int node,
                                    struct udevice **devp);
 
+/**
+ * uclass_find_device_by_of_node() - Find a uclass device by device tree node
+ *
+ * This searches the devices in the uclass for one attached to the given
+ * device tree node.
+ *
+ * The device is NOT probed, it is merely returned.
+ *
+ * @id: ID to look up
+ * @node: Device tree offset to search for (if NULL then -ENODEV is returned)
+ * @devp: Returns pointer to device (there is only one for each node)
+ * @return 0 if OK, -ve on error
+ */
+int uclass_find_device_by_ofnode(enum uclass_id id, ofnode node,
+                                struct udevice **devp);
+
 /**
  * uclass_bind_device() - Associate device with a uclass
  *