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

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Date:	Sat, 20 Dec 2014 12:49:37 -0800
From:	Joe Perches <joe@...ches.com>
To:	Christoph Jaeger <cj@...ux.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	apw@...onical.com, linux-kernel@...r.kernel.org,
	dborkman@...hat.com, pebolle@...cali.nl
Subject: Re: [PATCH] checkpatch: add check for keyword 'boolean' in Kconfig
 definitions

(adding Andrew Morton)

On Sat, 2014-12-20 at 15:40 -0500, Christoph Jaeger wrote:
> 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>

Seems sensible.

> ---
>  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;



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