linux-kernel - Re: [PATCH] hwmon: constify struct hwmon_chip

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Message-ID: <87h6uu9nxn.fsf@intel.com>
Date:   Thu, 09 Mar 2023 13:14:28 +0200
From:   Jani Nikula <jani.nikula@...el.com>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     linux-kernel@...r.kernel.org, Jean Delvare <jdelvare@...e.com>,
        linux-hwmon@...r.kernel.org
Subject: Re: [PATCH] hwmon: constify struct hwmon_chip_info info member harder

On Thu, 09 Mar 2023, Guenter Roeck <linux@...ck-us.net> wrote:
> On Thu, Mar 09, 2023 at 10:28:41AM +0200, Jani Nikula wrote:
>> Let the struct hwmon_chip_info info member be a pointer to a const array
>> of const pointers, rather than mutable array of const pointers.
>> 
>> Cc: Jean Delvare <jdelvare@...e.com>
>> Cc: Guenter Roeck <linux@...ck-us.net>
>> Cc: linux-hwmon@...r.kernel.org
>> Signed-off-by: Jani Nikula <jani.nikula@...el.com>
>> ---
>>  include/linux/hwmon.h | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>> 
>> diff --git a/include/linux/hwmon.h b/include/linux/hwmon.h
>> index c1b62384b6ee..492dd27a5dd8 100644
>> --- a/include/linux/hwmon.h
>> +++ b/include/linux/hwmon.h
>> @@ -430,7 +430,7 @@ struct hwmon_channel_info {
>>   */
>>  struct hwmon_chip_info {
>>  	const struct hwmon_ops *ops;
>> -	const struct hwmon_channel_info **info;
>> +	const struct hwmon_channel_info * const *info;
>
> As pointed out by 0-day, you's also have to change each
> instance where this is is assigned to another variable.

Ah, sorry, I had THERMAL_OF=n.

BR,
Jani.


>
> Guenter
>
>>  };
>>  
>>  /* hwmon_device_register() is deprecated */
>> -- 
>> 2.39.1
>> 

-- 
Jani Nikula, Intel Open Source Graphics Center