Hi!

> Add support for pin and gpio controller driver for RZ/G2L SoC.
> 
> Based on a patch in the BSP by Hien Huynh <hien.huynh.px@renesas.com>.

> +static int rzg2l_map_add_config(struct pinctrl_map *map,
> +				const char *group_or_pin,
> +				enum pinctrl_map_type type,
> +				unsigned long *configs,
> +				unsigned int num_configs)
> +{
> +	unsigned long *cfgs;
> +
> +	cfgs = kmemdup(configs, num_configs * sizeof(*cfgs),
> +		       GFP_KERNEL);

Should we check for overflows here, too?

Best regards,
    							Pavel
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