On Wed, May 08, 2013 at 04:50:22PM +0200, Arnd Bergmann wrote: > > In many cases a single syconf register contains bits related to multiple > > devices, and therefore it need to be shared across multiple drivers at > > bit level. The same IP block can have different syscon mappings on > > different SOCs.
> My feeling is that syscon is the wrong place for this functionality, > since regmap already handles (some of?) these issues. If you need > additional synchronization, it's probably best to extend regmap > as needed so other code besides syscon can take advantage of that > as well. This sounds like regmap_update_bits() ought to be all that's needed.
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