linux-kernel - Re: [PATCH] pinctrl: at91: Constify struct at91_pinctrl_mux

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Message-ID: <CACRpkdbciLfw2dOqaRwBAWQz3PF2cCzz=Kxkqf02G_G6qafRZQ@mail.gmail.com>
Date:   Tue, 25 May 2021 02:09:59 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Rikard Falkeborn <rikard.falkeborn@...il.com>
Cc:     Ludovic Desroches <ludovic.desroches@...rochip.com>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] pinctrl: at91: Constify struct at91_pinctrl_mux_ops

On Wed, May 12, 2021 at 8:01 PM Rikard Falkeborn
<rikard.falkeborn@...il.com> wrote:

> The at91_pinctrl_mux_ops struct is never modified by the driver. Make it
> const wherever it is possible to allow the compiler to put the static
> variables in read-only memory. Note that sam9x60_ops was already const,
> but the const was cast away when the return value of of_match_device() was
> cast to a pointer to a non-const struct at91_pinctrl_mux_ops.
>
> Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>

Patch applied.

Yours,
Linus Walleij