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checkpatch: Warn if DT bindings are not in schema format

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DT bindings are moving to using a json-schema based schema format
instead of freeform text. Add a checkpatch.pl check to encourage using
the schema for new bindings. It's not yet a requirement, but is
progressively being required by some maintainers.

Cc: Andy Whitcroft <apw@canonical.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Rob Herring 2019-09-12 15:18:20 +01:00
parent a4dc1ca607
commit e400edb141
1 changed files with 8 additions and 0 deletions
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8
scripts/checkpatch.pl
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@ -2826,6 +2826,14 @@ sub process {
"added, moved or deleted file(s), does MAINTAINERS need updating?\n" . $herecurr);
}
# Check for adding new DT bindings not in schema format
if (!$in_commit_log &&
($line =~ /^new file mode\s*\d+\s*$/) &&
($realfile =~ m@^Documentation/devicetree/bindings/.*\.txt$@)) {
WARN("DT_SCHEMA_BINDING_PATCH",
"DT bindings should be in DT schema format. See: Documentation/devicetree/writing-schema.rst\n");
}
# Check for wrappage within a valid hunk of the file
if ($realcnt != 0 && $line !~ m{^(?:\+|-| |\\ No newline|$)}) {
ERROR("CORRUPTED_PATCH",