On Tue, Mar 24, 2015 at 10:29:39PM +0000, Srinivas Kandagatla wrote:

This patch introduces regmap_get_max_register() function which would be
used by the infrastructures like eeprom framework built on top of
regmap.

In what way would it be used?

+int regmap_get_max_register(struct regmap *map)
+{
+	return map->max_register ? : -EINVAL;
+}

Please write the logic out properly, don't abuse the ternery operator.