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-rw-r--r--pylibfdt/libfdt.i6
1 files changed, 4 insertions, 2 deletions
diff --git a/pylibfdt/libfdt.i b/pylibfdt/libfdt.i
index 643f95d..ecec4dd 100644
--- a/pylibfdt/libfdt.i
+++ b/pylibfdt/libfdt.i
@@ -727,8 +727,10 @@ class FdtSw(FdtRo):
# First create the device tree with a node and property:
sw = FdtSw()
- with sw.add_node('node'):
- sw.property_u32('reg', 2)
+ sw.finish_reservemap()
+ with sw.add_node(''):
+ with sw.add_node('node'):
+ sw.property_u32('reg', 2)
fdt = sw.as_fdt()
# Now we can use it as a real device tree