linux-kernel - Re: [v2] hwmon: adt7475: constify attribute

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Date:   Tue, 8 Aug 2017 19:05:10 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Arvind Yadav <arvind.yadav.cs@...il.com>
Cc:     jdelvare@...e.com, linux-kernel@...r.kernel.org,
        linux-hwmon@...r.kernel.org
Subject: Re: [v2] hwmon: adt7475: constify attribute_group structures

On Mon, Aug 07, 2017 at 03:06:29PM +0530, Arvind Yadav wrote:
> attribute_group are not supposed to change at runtime. All functions
> working with attribute_group provided by <linux/sysfs.h> work with
> const attribute_group. So mark the non-const structs as const.
> 
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>

Kind of confused by this one. I applied a similar patch from you
back in July ??

Guenter

> ---
> change in v2:
>             subject was not correct. Removed 'wusbhc' and '.'.
> 
>  drivers/hwmon/adt7475.c | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c
> index 1baa213..9ef8499 100644
> --- a/drivers/hwmon/adt7475.c
> +++ b/drivers/hwmon/adt7475.c
> @@ -1319,14 +1319,14 @@ static SENSOR_DEVICE_ATTR_2(pwm3_stall_disable, S_IRUGO | S_IWUSR,
>  	NULL
>  };
>  
> -static struct attribute_group adt7475_attr_group = { .attrs = adt7475_attrs };
> -static struct attribute_group fan4_attr_group = { .attrs = fan4_attrs };
> -static struct attribute_group pwm2_attr_group = { .attrs = pwm2_attrs };
> -static struct attribute_group in0_attr_group = { .attrs = in0_attrs };
> -static struct attribute_group in3_attr_group = { .attrs = in3_attrs };
> -static struct attribute_group in4_attr_group = { .attrs = in4_attrs };
> -static struct attribute_group in5_attr_group = { .attrs = in5_attrs };
> -static struct attribute_group vid_attr_group = { .attrs = vid_attrs };
> +static const struct attribute_group adt7475_attr_group = { .attrs = adt7475_attrs };
> +static const struct attribute_group fan4_attr_group = { .attrs = fan4_attrs };
> +static const struct attribute_group pwm2_attr_group = { .attrs = pwm2_attrs };
> +static const struct attribute_group in0_attr_group = { .attrs = in0_attrs };
> +static const struct attribute_group in3_attr_group = { .attrs = in3_attrs };
> +static const struct attribute_group in4_attr_group = { .attrs = in4_attrs };
> +static const struct attribute_group in5_attr_group = { .attrs = in5_attrs };
> +static const struct attribute_group vid_attr_group = { .attrs = vid_attrs };
>  
>  static int adt7475_detect(struct i2c_client *client,
>  			  struct i2c_board_info *info)