linux-kernel - Re: [PATCH v2 2/2] regulator: max77857: Add ADI MAX77857/59/MAX77831 Regulator Support

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Message-ID: <0faa7534-cd76-4678-963f-4350dbd7178e@sirena.org.uk>
Date:   Fri, 14 Jul 2023 23:25:05 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Okan Sahin <okan.sahin@...log.com>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Ibrahim Tilki <Ibrahim.Tilki@...log.com>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v2 2/2] regulator: max77857: Add ADI MAX77857/59/MAX77831
 Regulator Support

On Tue, Jul 11, 2023 at 07:27:48PM +0300, Okan Sahin wrote:

> Regulator driver for  MAX77857/59 and MAX77831.
> The MAX77857 is a high-efficiency, high-performance
> buck-boost converter targeted for systems requiring
> a wide input voltage range (2.5V to 16V).

This looks good, I've queued it for CI (it'll probably be Monday before
I check that though).  One minor nit:

> +struct regmap_config max77857_regmap_config = {
> +	.reg_bits = 8,
> +	.val_bits = 8,
> +	.cache_type = REGCACHE_RBTREE,
> +	.volatile_reg = max77857_volatile_reg,
> +};

Please prefer REGCACHE_MAPLE for new devices, it probably makes no
practical difference but it's more modern code and we might want to
retire _RBTREE at some point - please send an incremental patch to
update assuming this makes it through CI OK (I'd expect it to).

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