[RFC PATCH 2/2] regmap: Reject fast_io regmap configurations with RBTREE and MAPLE caches

[Mark Brown]

On Fri, Jul 21, 2023 at 09:01:03AM -0700, Guenter Roeck wrote:
> On 7/21/23 08:13, Mark Brown wrote:

> > Yeah.  You *can* use the dynamically allocating caches safely if you
> > ensure that no new cache nodes are allocated during I/O.  I'd not
> > realised people were actually doing this.

> Ok.

> Dan, let me know if you don't have time to send a proper patch.
> I have one based on your suggestion prepared that I could send out
> if needed.

Dan sent the patch already, assuming my CI doesn't blow up unexpectedly
it should be applied tonight.
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