linux-kernel - Re: [PATCH] pinctrl: pxa: pxa2xx: Remove 'pxa2xx_pinctrl

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Date:   Mon, 1 Jun 2020 13:31:23 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Robert Jarzmik <robert.jarzmik@...e.fr>
Cc:     daniel@...que.org, haojian.zhuang@...il.com,
        linus.walleij@...aro.org, linux-arm-kernel@...ts.infradead.org,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] pinctrl: pxa: pxa2xx: Remove 'pxa2xx_pinctrl_exit()'
 which is unused and broken

Le 01/06/2020 à 10:58, Robert Jarzmik a écrit :
> Christophe JAILLET <christophe.jaillet@...adoo.fr> writes:
>
>> Commit 6d33ee7a0534 ("pinctrl: pxa: Use devm_pinctrl_register() for pinctrl registration")
>> has turned a 'pinctrl_register()' into 'devm_pinctrl_register()' in
>> 'pxa2xx_pinctrl_init()'.
>> However, the corresponding 'pinctrl_unregister()' call in
>> 'pxa2xx_pinctrl_exit()' has not been removed.
>>
>> This is not an issue, because 'pxa2xx_pinctrl_exit()' is unused.
>> Remove it now to avoid some wondering in the future and save a few LoC.
>>
>> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> Acked-by: Robert Jarzmik <robert.jarzmik@...e.fr>
>
> Would be even a better patch with a :
> Fixes: 6d33ee7a0534 ("pinctrl: pxa: Use devm_pinctrl_register() for pinctrl registration")

I was wondering it was was needed in this case.
The patch does not really fix anything, as the function is unused. Or it 
fixes things on a theoretical point of view.

CJ


> Cheers.
>
> --
> Robert
>