Commits
Merge tag 'regulator-v3.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator Pull regulator fixes from Mark Brown: "A couple of things here: - Fixes for pbias that didn't make it in during the merge window due to the driver coming in via MMC. The conversion to use helpers is a fix as it implements list_voltage() which the main user (MMC) relies on for correct functioning. - Change the !REGULATOR stub for optional regulators to return an error rather than a dummy; this is more in keeping with the intended use of optional regulators and fixes some issues seen MMC where it got confused by a dummy being provided" * tag 'regulator-v3.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: regulator: core: Return error in get optional stub regulator: pbias: Convert to use regmap helper functions regulator: pbias: Fix is_enabled callback implementation