This function currently fails if the root node is requested. Requesting
the root node is sometimes useful, so fix the bug.
Signed-off-by: Simon Glass
---
tools/dtoc/fdt.py | 2 ++
tools/dtoc/test_fdt.py | 5 +
2 files changed, 7 insertions(+)
diff --git a/tools/dtoc/fdt.py b/tools/dtoc/fdt.py
index b341ef3f83b..cd7673c7da0 100644
--- a/tools/dtoc/fdt.py
+++ b/tools/dtoc/fdt.py
@@ -574,6 +574,8 @@ class Fdt:
parts = path.split('/')
if len(parts) < 2:
return None
+if len(parts) == 2 and parts[1] == '':
+return node
for part in parts[1:]:
node = node.FindNode(part)
if not node:
diff --git a/tools/dtoc/test_fdt.py b/tools/dtoc/test_fdt.py
index c25248ca1f9..ed2d982a8fc 100755
--- a/tools/dtoc/test_fdt.py
+++ b/tools/dtoc/test_fdt.py
@@ -77,11 +77,16 @@ class TestFdt(unittest.TestCase):
"""Test the GetNode() method"""
node = self.dtb.GetNode('/spl-test')
self.assertTrue(isinstance(node, fdt.Node))
+
node = self.dtb.GetNode('/i2c@0/pmic@9')
self.assertTrue(isinstance(node, fdt.Node))
self.assertEqual('pmic@9', node.name)
self.assertIsNone(self.dtb.GetNode('/i2c@0/pmic@9/missing'))
+node = self.dtb.GetNode('/')
+self.assertTrue(isinstance(node, fdt.Node))
+self.assertEqual(0, node.Offset())
+
def testFlush(self):
"""Check that we can flush the device tree out to its file"""
fname = self.dtb._fname
--
2.22.0.657.g960e92d24f-goog
___
U-Boot mailing list
U-Boot@lists.denx.de
https://lists.denx.de/listinfo/u-boot
