linux-kernel - Re: [PATCH v2 5/6] regulator: tps65086: Add regulator driver for the TPS65086 PMIC

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Message-ID: <20151101023735.GE28319@sirena.org.uk>
Date:	Sun, 1 Nov 2015 11:37:35 +0900
From:	Mark Brown <broonie@...nel.org>
To:	"Andrew F. Davis" <afd@...com>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	devicetree@...r.kernel.org, linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 5/6] regulator: tps65086: Add regulator driver for the
 TPS65086 PMIC

On Fri, Oct 30, 2015 at 05:41:43PM -0500, Andrew F. Davis wrote:

> +struct tps65086_regulator {
> +	struct regulator_desc desc;
> +	unsigned int decay_reg;
> +	unsigned int decay_mask;

The decay_reg and decay_mask fields appear to be entirely write only,
why are they present?

> +	ret = of_regulator_match(&pdev->dev, pdev->dev.of_node,
> +				 tps65086_matches,
> +				 ARRAY_SIZE(tps65086_matches));
> +	if (ret < 0) {
> +		dev_err(tps->dev, "Error parsing regulator init data\n");
> +		return ret;
> +	}

Please match regulators using the fields in the regulator_desc rather
than open coding.

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