Re: [PATCH 1/2] regulator: act8945a: rely on hardware for operating mode

From: Mark Brown
Date: Mon Jun 05 2023 - 12:31:53 EST


On Mon, Jun 05, 2023 at 09:46:14PM +0530, Raag Jadav wrote:
> On Mon, Jun 05, 2023 at 03:44:37PM +0100, Mark Brown wrote:

> > It's also removing a cache so we need to talk to the hardware more often
> > which doesn't seem like a win. If there's a bootstapping problem then
> > shouldn't we just read once at startup? If there's no problem what's
> > the advantage?

> Well, there could be cases of access which are done
> outside of driver context or hardware failure,
> which are not really ideal but I've faced such problems
> a while back, so just decided to share it.

If we have those then we've got a bigger problem, for example we might
switch to a lower power mode which can't support the load we're trying
to get the consumer to run.

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