regulator: core: factor out delay function from _regulator_do_enable

A common delay function can be helpful when implementing new features. Factor
it out to maximize code reusability.

Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Guodong Xu 2014-08-13 19:33:39 +08:00 • committed by Mark Brown
commit 79fd114161