On Thu, Mar 05, 2015 at 09:45:41AM +0000, Srinivas Kandagatla wrote:

+
+	return eeprom;
+}
+EXPORT_SYMBOL(eeprom_register);

This framework uses regmap but regmap is EXPORT_SYMBOL_GPL() and this is
using EXPORT_SYMBOL().

+int eeprom_unregister(struct eeprom_device *eeprom)
+{
+	mutex_lock(&eeprom_mutex);
+	if (atomic_read(&eeprom->users)) {
+		mutex_unlock(&eeprom_mutex);

Atomic reads and a mutex - isn't the mutex enough?  Atomics are
generally a recipie for bugs due to the complexity in using them.