[PATCH] checkpatch: check SPDX tags in YAML files

[Lubomir Rintel]

This adds a warning when a YAML file is lacking a SPDX header on first
line, or it uses incorrect commenting style.

Currently the only YAML files in three are Devicetree binding documents.

Signed-off-by: Lubomir Rintel <lkundrak@xxxxx>
---
 scripts/checkpatch.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index a63380c6b0d20..e2976c3fe5ff8 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3087,7 +3087,7 @@ sub process {
 					$comment = '/*';
 				} elsif ($realfile =~ /\.(c|dts|dtsi)$/) {
 					$comment = '//';
-				} elsif (($checklicenseline == 2) || $realfile =~ /\.(sh|pl|py|awk|tc)$/) {
+				} elsif (($checklicenseline == 2) || $realfile =~ /\.(sh|pl|py|awk|tc|yaml)$/) {
 					$comment = '#';
 				} elsif ($realfile =~ /\.rst$/) {
 					$comment = '..';
-- 
2.24.1