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edtlib: tweak vendor prefixes implementation details

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If the user passes None, set the internal attribute to an empty dict
instead. This lets us avoid some None checking and simplifies things
without changing semantics -- if the user *does* pass an empty dict,
the results are the same.

Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
This commit is contained in:
Martí Bolívar 2021-08-19 11:07:01 -07:00 • committed by Christopher Friedt
commit 2533246610
1 changed files with 2 additions and 2 deletions
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4
scripts/dts/python-devicetree/src/devicetree/edtlib.py
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@ -196,7 +196,7 @@ class EDT:
self._fixed_partitions_no_bus = support_fixed_partitions_on_any_bus
self._infer_binding_for_paths = set(infer_binding_for_paths or [])
self._werror = bool(werror)
self._vendor_prefixes = vendor_prefixes
self._vendor_prefixes = vendor_prefixes or {}
self.dts_path = dts
self.bindings_dirs = bindings_dirs
@ -516,7 +516,7 @@ class EDT:
'must match this regular expression: '
f"'{compat_re}'")
if ',' in compat and self._vendor_prefixes is not None:
if ',' in compat and self._vendor_prefixes:
vendor = compat.split(',', 1)[0]
# As an exception, the root node can have whatever
# compatibles it wants. Other nodes get checked.