Re: [PATCH v1 14/19] pinctrl: st: Use temporary variable for struct device

[Joe Perches <joe@xxxxxxxxxxx>]

On Fri, 2021-11-05 at 14:42 +0200, Andy Shevchenko wrote:
> Use temporary variable for struct device to make code neater.
[]
> diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c
[]
> @@ -814,26 +814,25 @@ static int st_pctl_dt_node_to_map(struct pinctrl_dev *pctldev,
>  {
>  	struct st_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
>  	const struct st_pctl_group *grp;
> +	struct device *dev = info->dev;
[]
> -	new_map = devm_kcalloc(pctldev->dev,
> -				map_num, sizeof(*new_map), GFP_KERNEL);
> +	new_map = devm_kcalloc(dev, map_num, sizeof(*new_map), GFP_KERNEL);

Are pctldev->dev and dev the same pointer?
It seems they are not.
Why reassign the ownership?