checkpatch: check vendor compatible with dashes

The current vendor compatible check will not match vendors with dashes,
like:

  compatible="asahi-kasei"

Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
Reported-by: Joe Perches <joe@perches.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 9f03345..3b268b3 100755 (executable)
--- 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",