linux-kernel - Re: [PATCH] coccinelle: api: detect duplicate chip data arrays

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Message-ID: <CAKvHMgRx9U+GQ82GrSZYTAA6s1RH+HpEtkYZYf+O3VzqLDoD_g@mail.gmail.com>
Date:   Thu, 5 Oct 2017 12:25:27 -0700
From:   Liam Breck <liam@...workimprov.net>
To:     Joe Perches <joe@...ches.com>
Cc:     Julia Lawall <julia.lawall@...6.fr>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Sebastian Reichel <sebastian.reichel@...labora.co.uk>,
        Pali Rohár <pali.rohar@...il.com>,
        Linux PM mailing list <linux-pm@...r.kernel.org>,
        kernel-janitors@...r.kernel.org,
        Gilles Muller <Gilles.Muller@...6.fr>,
        Nicolas Palix <nicolas.palix@...g.fr>,
        Michal Marek <mmarek@...e.com>, cocci@...teme.lip6.fr,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        kbuild test robot <fengguang.wu@...el.com>
Subject: Re: [PATCH] coccinelle: api: detect duplicate chip data arrays

Hi Joe,

On Thu, Oct 5, 2017 at 12:15 PM, Joe Perches <joe@...ches.com> wrote:
> On Thu, 2017-10-05 at 21:13 +0200, Julia Lawall wrote:
>>
>> On Fri, 6 Oct 2017, Masahiro Yamada wrote:
>>
>> > 2017-10-01 21:42 GMT+09:00 Julia Lawall <Julia.Lawall@...6.fr>:
>> > > This semantic patch detects duplicate arrays declared using BQ27XXX_DATA
>> > > within a single structure.  It is currently specific to the file
>> > > drivers/power/supply/bq27xxx_battery.c.
>> > >
>> > > Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>
>> > >
>> > > ---
>> >
>> > Applied to linux-kbuild/misc.
>>
>> Thanks for picking it up.
>
> If it is specific to one file, why not just run it
> and post the resultant patch?  Why have it in tree?

The driver which this script analyzes supports more than a dozen
different chips, which require different parameters. This script
checks for duplicate parameter arrays.