linux-kernel - [PATCH] checkpatch: add check for keyword 'boolean' in Kconfig definitions

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Date:	Sat, 20 Dec 2014 15:40:36 -0500
From:	Christoph Jaeger <cj@...ux.com>
To:	apw@...onical.com, joe@...ches.com
Cc:	linux-kernel@...r.kernel.org, dborkman@...hat.com,
	pebolle@...cali.nl, Christoph Jaeger <cj@...ux.com>
Subject: [PATCH] checkpatch: add check for keyword 'boolean' in Kconfig definitions

Discourage the use of keyword 'boolean' for type definition attributes of
config options as support for it will be dropped later on.

Reference: http://lkml.kernel.org/r/cover.1418003065.git.cj@linux.com
Suggested-by: Daniel Borkmann <dborkman@...hat.com>
Signed-off-by: Christoph Jaeger <cj@...ux.com>
---
 scripts/checkpatch.pl | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index f0bb6d6..cae974e 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2355,6 +2355,13 @@ 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;
-- 
2.1.0

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