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scripts/dts: extract_dts_includes: fix alias creation for subnodes

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Heuristic for populating an alias string for a subnode
of an alias node was wrong as there was no check if
alias already existed and string created was not in line
with device tree specfication (allowed chars: [0-9],[a-z], '-').

Fix these two points.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
This commit is contained in:
Erwan Gouriou 2018-09-19 15:41:56 +02:00 • committed by Kumar Gala
commit a6716aef15
1 changed files with 7 additions and 2 deletions
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7
scripts/dts/extract_dts_includes.py
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@ -354,7 +354,12 @@ def extract_property(node_compat, yaml, node_address, prop, prop_val, names):
# Generate alias definition if parent has any alias
if parent_address in aliases:
for i in aliases[parent_address]:
node_alias = i + '_' + def_label
# Build an alias name that respects device tree specs
node_name = node_compat + '-' + node_address.split('@')[-1]
node_strip = node_name.replace('@','-').replace(',','-')
node_alias = i + '-' + node_strip
if node_alias not in aliases[node_address]:
# Need to generate alias name for this node:
aliases[node_address].append(node_alias)
# Use parent label to generate label