linux-kernel - Re: [PATCH] ARM: prima2: Constify static sirfsoc_rstc

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Message-ID: <eb0d1aa14e3269f80bc8a92645e9198cbee0c91c.camel@pengutronix.de>
Date:   Wed, 30 Sep 2020 14:55:09 +0200
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     Rikard Falkeborn <rikard.falkeborn@...il.com>,
        Barry Song <baohua@...nel.org>
Cc:     Russell King <linux@...linux.org.uk>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: prima2: Constify static sirfsoc_rstc_ops

Hi Rikard,

On Tue, 2020-09-29 at 22:17 +0200, Rikard Falkeborn wrote:
> The only usage of sirfsoc_rstc_ops is to assign its address to the ops
> field in the reset_controller_dev struct, which is a const pointer. Make
> it const to allow the compiler to put it in read-only memory.
> 
> Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>

Reviewed-by: Philipp Zabel <p.zabel@...gutronix.de>

> ---
>  arch/arm/mach-prima2/rstc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/mach-prima2/rstc.c b/arch/arm/mach-prima2/rstc.c
> index 9d56606ac87f..1ee405e2dde9 100644
> --- a/arch/arm/mach-prima2/rstc.c
> +++ b/arch/arm/mach-prima2/rstc.c
> @@ -53,7 +53,7 @@ static int sirfsoc_reset_module(struct reset_controller_dev *rcdev,
>  	return 0;
>  }
>  
> -static struct reset_control_ops sirfsoc_rstc_ops = {
> +static const struct reset_control_ops sirfsoc_rstc_ops = {
>  	.reset = sirfsoc_reset_module,
>  };
>  

regards
Philipp