Re: Using regmap_update_bits to update a write only register

From: Mark Brown
Date: Sat Mar 07 2015 - 06:05:30 EST

On Fri, Mar 06, 2015 at 03:27:55PM +0200, Daniel Baluta wrote:

> > There were some bugs in the past were non-readable register automatically
> > got marked as volatile, this has been fixed though a few months ago. Try to
> > make sure you use the latest upstream version of regmap.

> Thanks for pointing this out. I am using 3.19. Changing from
> REGCACHE_RBTREE to REGCACHE_FLAT fixed the problem for me.

> I will update my sources and try again with REGCACHE_RBTREE when
> I'll have some time.

RBTREE should of course work.

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