On Thu, Apr 09, 2020 at 10:13:58PM +0800, Baolin Wang wrote:
> On Thu, Apr 9, 2020 at 6:48 PM Mark Brown <broonie@kernel.org> wrote:

> > > +     int (*reg_update_bits)(void *context, unsigned int reg,
> > > +                            unsigned int mask, unsigned int val);

> > This is fine, we already have this operation for buses, but why is this
> > munged in with the MFD patch?

> Originally I want to show a example usage of the new callback, but I
> can spilt them into 2 patches as you suggested. Thanks.

Yes, it's good to have an example user - just not as part of the same
patch!