linux-kernel - Re: Removal of regulator-boot-on/always-on when a consumer exists

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Message-ID: <20160926163451.crahi5tvvdcc5psu@sirena.org.uk>
Date:   Mon, 26 Sep 2016 09:34:51 -0700
From:   Mark Brown <broonie@...nel.org>
To:     Fabio Estevam <festevam@...il.com>
Cc:     Michael Trimarchi <michael@...rulasolutions.com>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Removal of regulator-boot-on/always-on when a consumer exists

On Mon, Sep 26, 2016 at 11:26:24AM -0300, Fabio Estevam wrote:

> My suggestion is to remove regulator-boot-on/regulator-always-on:

>        reg_3p3v: regulator-3p3v {
>                compatible = "regulator-fixed";
>                regulator-name = "3P3V";
>                regulator-min-microvolt = <3300000>;
>                regulator-max-microvolt = <3300000>;
>        };

> ,since reg_3p3v has can1 as its consumer.

> Is my understanding correct?

It really depends on what the actual board constraints are - are there
other consumers that aren't visible to software, is it electrically safe
to power down the rail?

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