linux-kernel - Re: [PATCH] vdpa: solidrun: constify pointers to hwmon_channel

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Date:   Fri, 7 Apr 2023 16:08:30 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Alvaro Karsz <alvaro.karsz@...id-run.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org
Cc:     Jean Delvare <jdelvare@...e.com>, linux-hwmon@...r.kernel.org
Subject: Re: [PATCH] vdpa: solidrun: constify pointers to hwmon_channel_info

On 4/7/23 08:01, Krzysztof Kozlowski wrote:
> Statically allocated array of pointed to hwmon_channel_info can be made
> const for safety.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> 
> ---
> 
> This depends on hwmon core patch:
> https://lore.kernel.org/all/20230406203103.3011503-2-krzysztof.kozlowski@linaro.org/
> 
> Therefore I propose this should also go via hwmon tree.

I am not going to apply patches for 10+ subsystems through the hwmon tree.
This can only result in chaos. The dependent patch is available at

git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-const

or wait until after the next commit window to apply this patch.

Thanks,
Guenter

> 
> Cc: Jean Delvare <jdelvare@...e.com>
> Cc: Guenter Roeck <linux@...ck-us.net>
> Cc: linux-hwmon@...r.kernel.org
> ---
>   drivers/vdpa/solidrun/snet_hwmon.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/vdpa/solidrun/snet_hwmon.c b/drivers/vdpa/solidrun/snet_hwmon.c
> index e695e36ff753..65304354b34a 100644
> --- a/drivers/vdpa/solidrun/snet_hwmon.c
> +++ b/drivers/vdpa/solidrun/snet_hwmon.c
> @@ -159,7 +159,7 @@ static const struct hwmon_ops snet_hwmon_ops = {
>   	.read_string = snet_hwmon_read_string
>   };
>   
> -static const struct hwmon_channel_info *snet_hwmon_info[] = {
> +static const struct hwmon_channel_info * const snet_hwmon_info[] = {
>   	HWMON_CHANNEL_INFO(temp, HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT | HWMON_T_LABEL,
>   			   HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_LABEL),
>   	HWMON_CHANNEL_INFO(power, HWMON_P_INPUT | HWMON_P_LABEL),