dm: core: Allow parents to pass data to children during probe

[karo-tx-uboot.git] / include / dm / device-internal.h

diff --git a/include/dm/device-internal.h b/include/dm/device-internal.h
index 7005d03d08f5d96adcd3f28c2a11f7f9e318ec44..44cb7ef93bfdeea682ea0602d33bf9615260ad9d 100644 (file)
--- a/include/dm/device-internal.h
+++ b/include/dm/device-internal.h
@@ -65,6 +65,19 @@ int device_bind_by_name(struct udevice *parent, bool pre_reloc_only,
  */
 int device_probe(struct udevice *dev);
 
+/**
+ * device_probe() - Probe a child device, activating it
+ *
+ * Activate a device so that it is ready for use. All its parents are probed
+ * first. The child is provided with parent data if parent_priv is not NULL.
+ *
+ * @dev: Pointer to device to probe
+ * @parent_priv: Pointer to parent data. If non-NULL then this is provided to
+ * the child.
+ * @return 0 if OK, -ve on error
+ */
+int device_probe_child(struct udevice *dev, void *parent_priv);
+
 /**
  * device_remove() - Remove a device, de-activating it
  *