On Mon, Nov 17, 2014 at 05:33:08PM +0900, gyungoh@gmail.com wrote:

>  	np = of_get_child_by_name(dev->parent->of_node, "regulator");

> +	ret = of_regulator_match(dev, np, &sky81452_match, 1);

Don't open code this, use regulators_node and of_match as previously
advised.