blob: 0af480d50fbf9898b077eec5763704b8bb89724a [file] [log] [blame]
From: Dmitry Rokosov <ddrokosov@sberdevices.ru>
Subject: checkpatch: introduce proper bindings license check
Date: Tue, 4 Apr 2023 22:17:15 +0300
All headers from 'include/dt-bindings/' must be verified by checkpatch
together with Documentation bindings, because all of them are part of the
whole DT bindings system.
The requirement is dual licensed and matching patterns:
* Schemas:
/GPL-2\.0(?:-only)? OR BSD-2-Clause/
* Headers:
/GPL-2\.0(?:-only)? OR \S+/
Above patterns suggested by Rob at:
https://lore.kernel.org/all/CAL_Jsq+-YJsBO+LuPJ=ZQ=eb-monrwzuCppvReH+af7hYZzNaQ@mail.gmail.com
The issue was found during patch review:
https://lore.kernel.org/all/20230313201259.19998-4-ddrokosov@sberdevices.ru/
Link: https://lkml.kernel.org/r/20230404191715.7319-1-ddrokosov@sberdevices.ru
Signed-off-by: Dmitry Rokosov <ddrokosov@sberdevices.ru>
Reviewed-by: Rob Herring <robh@kernel.org>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Dwaipayan Ray <dwaipayanray1@gmail.com>
Cc: Joe Perches <joe@perches.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
scripts/checkpatch.pl | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
--- a/scripts/checkpatch.pl~checkpatch-introduce-proper-bindings-license-check
+++ a/scripts/checkpatch.pl
@@ -3763,7 +3763,7 @@ sub process {
"'$spdx_license' is not supported in LICENSES/...\n" . $herecurr);
}
if ($realfile =~ m@^Documentation/devicetree/bindings/@ &&
- not $spdx_license =~ /GPL-2\.0.*BSD-2-Clause/) {
+ $spdx_license !~ /GPL-2\.0(?:-only)? OR BSD-2-Clause/) {
my $msg_level = \&WARN;
$msg_level = \&CHK if ($file);
if (&{$msg_level}("SPDX_LICENSE_TAG",
@@ -3773,6 +3773,11 @@ sub process {
$fixed[$fixlinenr] =~ s/SPDX-License-Identifier: .*/SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)/;
}
}
+ if ($realfile =~ m@^include/dt-bindings/@ &&
+ $spdx_license !~ /GPL-2\.0(?:-only)? OR \S+/) {
+ WARN("SPDX_LICENSE_TAG",
+ "DT binding headers should be licensed (GPL-2.0-only OR .*)\n" . $herecurr);
+ }
}
}
}
_