linux-kernel - Re: [PATCH] pinctrl: rza1: remove unused 'rza1l_swio

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Date:   Fri, 17 Apr 2020 18:35:36 +0800
From:   Jason Yan <yanaijie@...wei.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
CC:     Linus Walleij <linus.walleij@...aro.org>,
        Nishka Dasgupta <nishkadg.linux@...il.com>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Hulk Robot <hulkci@...wei.com>,
        Chris Brandt <Chris.Brandt@...esas.com>
Subject: Re: [PATCH] pinctrl: rza1: remove unused 'rza1l_swio_pins'



在 2020/4/17 17:31, Geert Uytterhoeven 写道:
> Hi Jason,
> 
> On Fri, Apr 17, 2020 at 10:54 AM Jason Yan <yanaijie@...wei.com> wrote:
>> Fix the following gcc warning:
>>
>> drivers/pinctrl/pinctrl-rza1.c:401:35: warning: ‘rza1l_swio_pins’
>> defined but not used [-Wunused-const-variable=]
>>   static const struct rza1_swio_pin rza1l_swio_pins[] = {
>>                                     ^~~~~~~~~~~~~~~
>>
>> Reported-by: Hulk Robot <hulkci@...wei.com>
>> Signed-off-by: Jason Yan <yanaijie@...wei.com>
> 
> Thanks for your patch!
> 
>> --- a/drivers/pinctrl/pinctrl-rza1.c
>> +++ b/drivers/pinctrl/pinctrl-rza1.c
>> @@ -398,15 +398,6 @@ static const struct rza1_bidir_pin rza1l_bidir_pins_p9[] = {
>>          { .pin = 5, .func = 3 },
>>   };
>>
>> -static const struct rza1_swio_pin rza1l_swio_pins[] = {
>> -       { .port = 2, .pin = 8, .func = 2, .input = 0 },
>> -       { .port = 5, .pin = 6, .func = 3, .input = 0 },
>> -       { .port = 6, .pin = 6, .func = 3, .input = 0 },
>> -       { .port = 6, .pin = 10, .func = 3, .input = 0 },
>> -       { .port = 7, .pin = 10, .func = 2, .input = 0 },
>> -       { .port = 8, .pin = 2, .func = 3, .input = 0 },
>> -};
>> -
>>   static const struct rza1_bidir_entry rza1l_bidir_entries[RZA1_NPORTS] = {
>>          [1] = { ARRAY_SIZE(rza1l_bidir_pins_p1), rza1l_bidir_pins_p1 },
>>          [3] = { ARRAY_SIZE(rza1l_bidir_pins_p3), rza1l_bidir_pins_p3 },
> 
> rza1l_swio_pins[] is unused because rza1l_swio_entries[] refers to the
> wrong array. So I'd rather see a patch to fix that instead.
> 

Thanks for the explanation, I will send a new one.

> Thanks!
> 
> Gr{oetje,eeting}s,
> 
>                          Geert
>