linux-kernel - Re: [PATCH] soc: integrator: remove unnecessary static in integrator_soc

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Date:   Thu, 3 Aug 2017 16:45:47 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] soc: integrator: remove unnecessary static in
 integrator_soc_init()

Hi Linus,

On 08/02/2017 06:58 AM, Linus Walleij wrote:
> On Thu, Jul 20, 2017 at 12:39 AM, Gustavo A. R. Silva
> <gustavo@...eddedor.com> wrote:
>
>> Remove unnecessary static on local variable syscon_regmap.
>> Such variables are initialized before being used, on every
>> execution path throughout the functions. So, the static has
>> no benefit.
>>
>> This issue was detected using Coccinelle and the following
>> semantic patch:
>>
>> @bad exists@
>> position p;
>> identifier x;
>> type T;
>> @@
>>
>> static T x@p;
>> ...
>> x = <+...x...+>
>>
>> @@
>> identifier x;
>> expression e;
>> type T;
>> position p != bad.p;
>> @@
>>
>> -static
>>  T x@p;
>>  ... when != x
>>      when strict
>> ?x = e;
>>
>> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
>
> Acked-by: Linus Walleij <linus.walleij@...aro.org>
>
> You probably want to funnel this patch through the ARM SoC tree.
>

I'll do that. I'll add your ACK and CC you.

Thanks
-- 
Gustavo A. R. Silva