linux-kernel - Re: [PATCH] thermal: intel_powerclamp: Constify static thermal_cooling_device

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Message-ID: <b1bf88bc-413f-c3fd-6246-111d69e9ed93@linaro.org>
Date:   Mon, 29 Nov 2021 11:04:59 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Rikard Falkeborn <rikard.falkeborn@...il.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     Amit Kucheria <amitk@...nel.org>, Zhang Rui <rui.zhang@...el.com>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] thermal: intel_powerclamp: Constify static
 thermal_cooling_device_ops

On 28/11/2021 22:46, Rikard Falkeborn wrote:
> The only usage of powerclamp_cooling_ops is to pass its address to
> thermal_cooling_device_register(), which takes a pointer to const struct
> thermal_cooling_device_ops. Make it const to allow the compiler to put
> it in read-only memory.
> 
> Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>

Applied, thanks

> ---
>  drivers/thermal/intel/intel_powerclamp.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/thermal/intel/intel_powerclamp.c b/drivers/thermal/intel/intel_powerclamp.c
> index 9b68489a2356..14256421d98c 100644
> --- a/drivers/thermal/intel/intel_powerclamp.c
> +++ b/drivers/thermal/intel/intel_powerclamp.c
> @@ -641,7 +641,7 @@ static int powerclamp_set_cur_state(struct thermal_cooling_device *cdev,
>  }
>  
>  /* bind to generic thermal layer as cooling device*/
> -static struct thermal_cooling_device_ops powerclamp_cooling_ops = {
> +static const struct thermal_cooling_device_ops powerclamp_cooling_ops = {
>  	.get_max_state = powerclamp_get_max_state,
>  	.get_cur_state = powerclamp_get_cur_state,
>  	.set_cur_state = powerclamp_set_cur_state,
> 


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