Re: [PATCH] tty: max310x: work around regmap->regcache data corruption
From: Mark Brown
Date: Mon Dec 04 2023 - 17:09:56 EST
On Mon, Dec 04, 2023 at 03:02:24PM -0500, Hugo Villeneuve wrote:
> Mark Brown <broonie@xxxxxxxxxx> wrote:
> > This is truly innovative hardware,...
> Well, I would not say innovative, but more "crappy" hardware design :)
I didn't say it was *good* innovation.
> > You'd need to extend the core
> > so that it knows about this quirk, right now that's not possible and
> > we'll just leave the window pointing at whatever was last accessed.
> Ok. I am not sure that adding support for it would make sense, since I
> do not know of other ICs that could reuse this very specific and
> particular method for switching "paged" registers.
Yeah, I'm drawing a blank there. The thing that springs to mind is
optimisation with wanting to always be on a particular page for fast
interrupt handling or something but that feels rather thin.
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