checkpatch: add check for keyword 'boolean' in Kconfig definitions

christophjaeger · torvalds · commit 327953e9af6c · 2015-02-13T21:21:39.000-08:00
Discourage the use of keyword 'boolean' for type definition attributes of config options as support for it will be dropped later on. See http://lkml.kernel.org/r/cover.1418003065.git.cj@linux.com Signed-off-by: Christoph Jaeger <cj@linux.com> Suggested-by: Daniel Borkmann <dborkman@redhat.com> Cc: Joe Perches <joe@perches.com> Acked-by: Paul Bolle <pebolle@tiscali.nl> Tested-by: Paul Bolle <pebolle@tiscali.nl> 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
@@ -2357,6 +2357,13 @@ sub process {
 			     "Use of CONFIG_EXPERIMENTAL is deprecated. For alternatives, see https://lkml.org/lkml/2012/10/23/580\n");
 		}
 
+# discourage the use of boolean for type definition attributes of Kconfig options
+		if ($realfile =~ /Kconfig/ &&
+		    $line =~ /^\+\s*\bboolean\b/) {
+			WARN("CONFIG_TYPE_BOOLEAN",
+			     "Use of boolean is deprecated, please use bool instead.\n" . $herecurr);
+		}
+
 		if (($realfile =~ /Makefile.*/ || $realfile =~ /Kbuild.*/) &&
 		    ($line =~ /\+(EXTRA_[A-Z]+FLAGS).*/)) {
 			my $flag = $1;
