Merge tag 'devicetree-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull Devicetree updates from Rob Herring:

 - Fix a unittest failure on UML. Preparation for converting to kunit
   test framework.

 - Add annotations to dtx_diff output

 - Fix unittest reporting of expected error

 - Move DMA configuration for virtual devices into the driver that needs
   it (s5p-mfc)

 - Vendor prefixes for feiyang and techstar

 - Convert ARM GIC, GICv3, and L2x0 to DT schema

 - Add r8a7778/9 HSCIF serial bindings

* tag 'devicetree-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  of: unittest: unflatten device tree on UML when testing
  dt-bindings: Add vendor prefix for feiyang
  dt-bindings: Add vendor prefix for techstar
  dt-bindings: display: add missing semicolon in example
  of: mark early_init_dt_alloc_reserved_memory_arch static
  of: add dtc annotations functionality to dtx_diff
  of: unittest: add caution to function header comment
  of: unittest: remove report of expected error
  dt-bindings: interrupt-controller: Convert ARM GICv3 to json-schema
  dt-bindings: interrupt-controller: Convert ARM GIC to json-schema
  dt-bindings: arm: l2x0: Convert L2 cache to json-schema
  media: s5p-mfc: Fix memdev DMA configuration
  dt-bindings: serial: sh-sci: Document r8a7778/9 HSCIF bindings

1 files changed, 13 insertions, 2 deletions

diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 84427384654d..66037511f2d7 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -1116,15 +1116,22 @@ static void update_node_properties(struct device_node *np,
 	for (prop = np->properties; prop != NULL; prop = save_next) {
 		save_next = prop->next;
 		ret = of_add_property(dup, prop);
-		if (ret)
+		if (ret) {
+			if (ret == -EEXIST && !strcmp(prop->name, "name"))
+				continue;
 			pr_err("unittest internal error: unable to add testdata property %pOF/%s",
 			       np, prop->name);
+		}
 	}
 }
 
 /**
  *	attach_node_and_children - attaches nodes
- *	and its children to live tree
+ *	and its children to live tree.
+ *	CAUTION: misleading function name - if node @np already exists in
+ *	the live tree then children of @np are *not* attached to the live
+ *	tree.  This works for the current test devicetree nodes because such
+ *	nodes do not have child nodes.
  *
  *	@np:	Node to attach to live tree
  */
@@ -2514,6 +2521,10 @@ static int __init of_unittest(void)
 	int res;
 
 	/* adding data for unittest */
+
+	if (IS_ENABLED(CONFIG_UML))
+		unittest_unflatten_overlay_base();
+
 	res = unittest_data_add();
 	if (res)
 		return res;