linux-kernel - Re: [PATCH] ARM: dts: exynos: Fix invalid maximum voltage for buck9 supplying SD card

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Message-ID: <20160324095332.GS2566@sirena.org.uk>
Date:	Thu, 24 Mar 2016 09:53:32 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Cc:	Kukjin Kim <kgene@...nel.org>, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-mmc@...r.kernel.org, Ulf Hansson <ulf.hansson@...aro.org>,
	Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>
Subject: Re: [PATCH] ARM: dts: exynos: Fix invalid maximum voltage for buck9
 supplying SD card

On Thu, Mar 24, 2016 at 05:12:05PM +0900, Krzysztof Kozlowski wrote:

>  			buck9_reg: BUCK9 {
>  				regulator-name = "vdd_2.8v_ldo";
>  				regulator-min-microvolt = <3000000>;
> -				regulator-max-microvolt = <3750000>;
> +				regulator-max-microvolt = <3755000>;
>  				regulator-always-on;
>  				regulator-boot-on;
>  			};

Why does this regulator even have voltage constraints configured?  Is
there any intention that it should ever be varied at runtime?

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