On Mon, Oct 15, 2018 at 09:39:59AM -0700, Stephen Boyd wrote:

Ok if there's going to be read/volatile regs and defaults then it makes
sense to leave the defines in some shared header file, which is
unfortunate for the independent merge of driver bits. Either way, I

Kconfig dependencies take care of that pretty well - if there's a
dependency on the MFD then the function driver just won't get built
until the MFD gets merged.