Nodes in the base fdt that do not have phandles cannot currently be referenced
in overlays; we can target them for an overlay, but we cannot use them as a
reference in another property if needed. This is quite limiting for some
use-cases where you're needing cross-references that don't currently exist in
the base.
Kyle Evans (2):
fdt_overlay: Allocate phandles as needed for nodes referenced in base
fdt
fdt_overlay: Basic regression tests for automatically allocated
phandles
libfdt/fdt_overlay.c | 83 +++++++++++++++++++---
tests/overlay_base_manual_symbols_auto_phandle.dts | 24 +++++++
tests/run_tests.sh | 6 ++
3 files changed, 104 insertions(+), 9 deletions(-)
create mode 100644 tests/overlay_base_manual_symbols_auto_phandle.dts
--
2.15.1
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