On Fri, Apr 24, 2015 at 06:52:01AM -0700, Kevin Cernekee wrote:
> On Fri, Apr 24, 2015 at 2:28 AM, Mark Brown <broonie@kernel.org> wrote:

> > Do you need to work around it?  If the register map is being perserved
> > you don't need to sync so just don't do it - it's just that the normal
> > expectation would be that power down would cause the register map to be
> > reset.

> How do I tell regcache to write out any updates that happened while
> the hardware was inaccessible?  I see that regmap->cache_dirty is 1,
> but nothing flushes it automatically when exiting cache_only mode.

Oh, I see.  A sync will be required, yes.  Probably resetting the device
is easiest.