linux-kernel - Re: [Linux-stm32] [PATCH 2/2] remoteproc: stm32: Constify st_rproc

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Date:   Mon, 9 Nov 2020 14:49:20 +0100
From:   Arnaud POULIQUEN <arnaud.pouliquen@...com>
To:     Rikard Falkeborn <rikard.falkeborn@...il.com>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
CC:     "linux-remoteproc@...r.kernel.org" <linux-remoteproc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Paul Cercueil <paul@...pouillou.net>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        "linux-stm32@...md-mailman.stormreply.com" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [Linux-stm32] [PATCH 2/2] remoteproc: stm32: Constify
 st_rproc_ops

Hi Rikard,

On 11/8/20 12:36 AM, Rikard Falkeborn wrote:
> The only usage of st_rproc_ops is to pass its address to rproc_alloc()
> which accepts 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>
> ---
>  drivers/remoteproc/stm32_rproc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
> index d2414cc1d90d..a180aeae9675 100644
> --- a/drivers/remoteproc/stm32_rproc.c
> +++ b/drivers/remoteproc/stm32_rproc.c
> @@ -541,7 +541,7 @@ static void stm32_rproc_kick(struct rproc *rproc, int vqid)
>  	}
>  }
>  
> -static struct rproc_ops st_rproc_ops = {
> +static const struct rproc_ops st_rproc_ops = {
>  	.start		= stm32_rproc_start,
>  	.stop		= stm32_rproc_stop,
>  	.attach		= stm32_rproc_attach,
> 

acked-by: Arnaud Pouliquen <arnaud.pouliquen@...com>

Thanks,
Arnaud