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Date:   Thu, 21 May 2020 22:36:41 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Robin Gong <yibin.gong@....com>
Cc:     Rob Herring <robh+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Yongcai Huang <anson.huang@....com>,
        Peng Fan <peng.fan@....com>,
        Sascha Hauer <kernel@...gutronix.de>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        NXP Linux Team <linux-imx@....com>
Subject: Re: [PATCH v2 2/2] arm64: dts: imx8mn-ddr4-evk: correct ldo1/ldo2
 voltage range

Hi Robin,

On Thu, May 21, 2020 at 3:17 AM Robin Gong <yibin.gong@....com> wrote:
>
> Correct ldo1 voltage range from wrong high group(3.0v~3.3v) to low group

Please use capital letter V for Volt.

> (1.6v~1.9v) because the ldo1 should be 1.8v. Actually, two voltage groups
> have been supported at bd718x7-regulator driver, hence, just corrrect the
> voltage range to 1.6v~3.3v. For ldo2@...v, correct voltage range too.
> Otherwise, ldo1 would be kept @3.0v and ldo2@...v which violate i.mx8mn
> datasheet as the below warning log in kernel:
>
> [    0.995524] LDO1: Bringing 1800000uV into 3000000-3000000uV
> [    0.999196] LDO2: Bringing 800000uV into 900000-900000uV
>
> Signed-off-by: Robin Gong <yibin.gong@....com>

You should add a Fixes tag and Cc stable on this one.

Thanks

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