On 03/03/15 15:52, Mark Brown wrote: > On Tue, Mar 03, 2015 at 02:32:35PM -0800, Bjorn Andersson wrote: >> On Tue 03 Mar 14:09 PST 2015, Stephen Boyd wrote: >>> How does this work for the case where we may not want to add all the >>> regulators that a PMIC supports. I'm mostly thinking about the case >>> where we want to use the pm8xxx-regulator driver for a few regulators >>> and so we omit them from the DT for the RPM regulators. >> An empty or non-existing regulator of_node will still be registered, but >> without REGULATOR_CHANGE_STATUS nor REGULATOR_CHANGE_VOLTAGE; so any >> operation on this regulator will fail with an -EPERM. > ...but of course we'd never try any operations on it anyway as there > would be no consumers. Yes sounds fine. The only concern is that we're probably wasting memory with things that won't ever "match" something in DT. -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html