linux-kernel - Re: [RFC PATCH v4 2/5] mfd: add driver for Marvell 88PM886 PMIC

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Message-ID: <f9ff03a0-377e-46ed-b7b1-2f10017a3b1f@sirena.org.uk>
Date: Thu, 21 Mar 2024 19:32:11 +0000
From: Mark Brown <broonie@...nel.org>
To: Karel Balej <balejk@...fyz.cz>
Cc: Lee Jones <lee@...nel.org>, Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Liam Girdwood <lgirdwood@...il.com>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
	Duje Mihanović <duje.mihanovic@...le.hr>,
	~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org
Subject: Re: [RFC PATCH v4 2/5] mfd: add driver for Marvell 88PM886 PMIC

On Thu, Mar 21, 2024 at 08:14:44PM +0100, Karel Balej wrote:
> Mark Brown, 2024-03-21T19:00:24+00:00:

> > I would expect that if you have two separate register maps they would
> > have separate configurations that describe the corresponding physical
> > register maps, as far as I can tell this driver is just making up a
> > maximum register number.

> Alright, so I should just use a separate config for each regmap and set
> the max_register value for each to whatever I can find is actually the
> highest used value in the downstream code -- correct?

That sounds plausible if you don't have any other information about the
register maps.

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