1 files changed, 4 insertions, 2 deletions

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 34eb2160489d..62d005e06031 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2093,8 +2093,10 @@ sub process {
 
                         foreach my $compat (@compats) {
                                 my $compat2 = $compat;
-                                $compat2 =~ s/\,[a-z]*\-/\,<\.\*>\-/;
-                                `grep -Erq "$compat|$compat2" $dt_path`;
+                                $compat2 =~ s/\,[a-zA-Z0-9]*\-/\,<\.\*>\-/;
+                                my $compat3 = $compat;
+                                $compat3 =~ s/\,([a-z]*)[0-9]*\-/\,$1<\.\*>\-/;
+                                `grep -Erq "$compat|$compat2|$compat3" $dt_path`;
                                 if ( $? >> 8 ) {
                                         WARN("UNDOCUMENTED_DT_STRING",
                                              "DT compatible string \"$compat\" appears un-documented -- check $dt_path\n" . $herecurr);