linux-kernel - Re: powerpc: remove redundant 'default n' from Kconfig-s

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Message-Id: <42YPr06vs2z9sjF@ozlabs.org>
Date:   Mon, 15 Oct 2018 15:01:04 +1100 (AEDT)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>
Cc:     Arnd Bergmann <arnd@...db.de>, Geoff Levand <geoff@...radead.org>,
        Alistair Popple <alistair@...ple.id.au>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: powerpc: remove redundant 'default n' from Kconfig-s

On Tue, 2018-10-09 at 15:39:46 UTC, Bartlomiej Zolnierkiewicz wrote:
> 'default n' is the default value for any bool or tristate Kconfig
> setting so there is no need to write it explicitly.
> 
> Also since commit f467c5640c29 ("kconfig: only write '# CONFIG_FOO
> is not set' for visible symbols") the Kconfig behavior is the same
> regardless of 'default n' being present or not:
> 
>     ...
>     One side effect of (and the main motivation for) this change is making
>     the following two definitions behave exactly the same:
>     
>         config FOO
>                 bool
>     
>         config FOO
>                 bool
>                 default n
>     
>     With this change, neither of these will generate a
>     '# CONFIG_FOO is not set' line (assuming FOO isn't selected/implied).
>     That might make it clearer to people that a bare 'default n' is
>     redundant.
>     ...
> 
> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/719736e1cc12b2fc28eba2122893a4

cheers