On Tue, Feb 19, 2019 at 05:02:46PM +0100, Marc Gonzalez wrote: > When REGULATOR_CHANGE_DRMS is not set, drms_uA_update is a no-op. > It used to print a debug message, which was dropped in commit > 8a34e979f684 ("regulator: refactor valid_ops_mask checking code") > Let's bring the debug message back as KERN_INFO, because it is very > useful to diagnose missing regulator-allow-set-load properties. No, it's perfectly normal for machine constraints to stop drivers from doing things so we shouldn't warn on this - it would get incredibly noisy if we started printing every time constraints didn't let us do something at info level. Debug level might be viable, or definitely vdbg or trace points.