1 files changed, 1 insertions, 1 deletions

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 9f03345a1c5c..3b268b3f2362 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2091,7 +2091,7 @@ sub process {
                                 my $vendor = $compat;
                                 my $vendor_path = $dt_path . "vendor-prefixes.txt";
                                 next if (! -f $vendor_path);
-                                $vendor =~ s/^([a-zA-Z0-9]+)\,.*/$1/;
+                                $vendor =~ s/^([a-zA-Z0-9\-]+)\,.*/$1/;
                                 `grep -Eq "$vendor" $vendor_path`;
                                 if ( $? >> 8 ) {
                                         WARN("UNDOCUMENTED_DT_STRING",