Hi!

Add support for pin and gpio controller driver for RZ/G2L SoC.

Based on a patch in the BSP by Hien Huynh [off-list ref].

+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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