FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 649e0a77e28a7796bf62bfda0fe3f2aee094bd58 ("of: make unittest select OF_EARLY_FLATTREE instead of depend on it") The following new message in kernel log may make end user confuse. [ 2.775617] device-tree: Duplicate name in testcase-data, renamed to "duplicate-name#1" [ 2.779463] ### dt-test ### start of unittest - you will see error messages [ 2.780294] /testcase-data/phandle-tests/consumer-a: could not get #phandle-cells-missing for /testcase-data/phandle-tests/provider1 [ 2.781341] /testcase-data/phandle-tests/consumer-a: could not get #phandle-cells-missing for /testcase-data/phandle-tests/provider1 [ 2.782394] /testcase-data/phandle-tests/consumer-a: could not find phandle [ 2.783001] /testcase-data/phandle-tests/consumer-a: could not find phandle [ 2.783622] /testcase-data/phandle-tests/consumer-a: arguments longer than property [ 2.784333] /testcase-data/phandle-tests/consumer-a: arguments longer than property Thanks, Ying Huang