Re: [PATCH 3/3] ASoC: fsl_ssi: remove register defaults

[Timur Tabi]

Mark Brown wrote:
> Quite possibly (it'll be more efficient and it's intended for such use
> cases) but as I said in my other reply that then has the issue that it
> implicitly gives default values to all the registers so I'd expect we
> still need to handle the cache initialisation explicitly (or
> alternatively the hardware sync with the cache on startup).

Why does REGCACHE_FLAT assume that all registers have a default value of 
0?  Shouldn't it have the same behavior w.r.t. cache values as 
REGCACHE_RBTREE?