On Wed, Jan 25, 2017 at 06:23:20PM +0000, Mark Rutland wrote:
> On Wed, Jan 25, 2017 at 08:56:42AM -0800, Furquan Shaikh wrote:

> > That is the reason why the recent change to add ACPI support to fixed
> > regulators was done
> > (https://github.com/torvalds/linux/blob/master/drivers/regulator/fixed.c#L100).

> To be honest, I'm surprised this got merged.

My understanding was that it was instantiated from another device as an
implementation detail of that device, letting it say "this GPIO should
be handled as a regulator".

> Mark, this was added in this cycle; can we please rip that out for now?

If it's instantiated directly we probably should.

> We can certainly come up with something that allows drivers to support
> both, but trying to do this without updating drivers opens a huge set of
> problems.

I think there's a reasonable chance that any ACPI specs could be written
in such a way as to allow transparent support in Linux, the main thing
I'd worry about is naming issues.