linux-kernel - Re: [PATCH 6/6] regulator: max77620: add regulator driver for max77620/max20024

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Message-ID: <569380FE.6020609@nvidia.com>
Date:	Mon, 11 Jan 2016 15:46:30 +0530
From:	Laxman Dewangan <ldewangan@...dia.com>
To:	Mark Brown <broonie@...nel.org>
CC:	<robh+dt@...nel.org>, <pawel.moll@....com>, <mark.rutland@....com>,
	<ijc+devicetree@...lion.org.uk>, <galak@...eaurora.org>,
	<linus.walleij@...aro.org>, <gnurou@...il.com>,
	<lee.jones@...aro.org>, <a.zummo@...ertech.it>,
	<alexandre.belloni@...e-electrons.com>, <lgirdwood@...il.com>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-gpio@...r.kernel.org>, <rtc-linux@...glegroups.com>,
	<swarren@...dia.com>, <treding@...dia.com>,
	Mallikarjun Kasoju <mkasoju@...dia.com>
Subject: Re: [PATCH 6/6] regulator: max77620: add regulator driver for max77620/max20024

Thanks Mark for review.

I have query in one of comment.

On Sunday 10 January 2016 06:10 PM, Mark Brown wrote:
> * PGP Signed by an unknown key
>
> On Thu, Jan 07, 2016 at 08:08:44PM +0530, Laxman Dewangan wrote:
>
>
> +	np = of_get_child_by_name(pdev->dev.parent->of_node, "regulators");
> +	if (!np) {
> +		dev_err(&pdev->dev, "Device is not having regulators node\n");
> +		return -ENODEV;
> +	}
> +	pdev->dev.of_node = np;
> +
> +	ret = of_regulator_match(&pdev->dev, np, max77620_regulator_matches,
> +			ARRAY_SIZE(max77620_regulator_matches));
> +	if (ret < 0) {
> +		dev_err(&pdev->dev, "Parsing of regulator node failed: %d\n",
> +			ret);
> +		return ret;
> +	}
> Don't open code this, use the core support via regulators and of_match.
>

I did not get this point? Here I am using the of_regulator_match from 
core? Can you please help to explain this?