On Tue, Nov 18, 2014 at 05:04:51PM +0900, Gyungoh Yoo wrote: > On Mon, Nov 17, 2014 at 02:18:36PM +0000, Mark Brown wrote: > > Don't open code this, use regulators_node and of_match as previously > > advised. > I think I had a misunderstanding. > But I have no idea about regulators_node and of_match. > Could you let me know more about them? They are fields in regulator_desc, there are documentation and examples in current mainline - take a look at that and ask questions if it is unclear.