On Thu, Mar 23, 2023 at 05:49:28PM +0000, Mark Brown wrote: > On Thu, Mar 23, 2023 at 05:45:31PM +0000, Charles Keepax wrote: > > > I think really the best place to look at this would be at the > > regulator level. It is fine if mfd_add_devices passes, the problem > > really is that the regulator core doesn't realise the regulator is > > going to be arriving, and thus returns a dummy regulator, rather > > than returning EPROBE_DEFER. If it did the MFD driver would probe > > defer at the point of requesting the regulator, which would all > > make sense. > > You need the MFD to tell the regulator subsystem that there's a > regulator bound there, or to force all the users to explicitly do the > mapping of the regulator in their firmwares (which isn't really a > viable approach). Yeah changing the firmware situation is definitely not a goer. I need to just clarify in my head exactly what is missing, with respect to the know the regulator exists. Thanks, Charles