linux-kernel - Re: [PATCH 2/2] regulator: pfuze100: add support to en-/disable switch regulators

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Date:   Thu, 12 Jul 2018 12:18:14 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Marco Felsch <m.felsch@...gutronix.de>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Fabio Estevam <fabio.estevam@....com>,
        Yongcai Huang <Anson.Huang@....com>,
        Sascha Hauer <kernel@...gutronix.de>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] regulator: pfuze100: add support to en-/disable
 switch regulators

Hi Marco,

On Thu, Jul 12, 2018 at 8:02 AM, Marco Felsch <m.felsch@...gutronix.de> wrote:
> Add enable/disable support for switch regulators on pfuze100.
>
> Based on commit 5fe156f1cab4 ("regulator: pfuze100: add enable/disable for
> switch") which is reverted due to boot regressions by commit 464a5686e6c9
> ("regulator: Revert "regulator: pfuze100: add enable/disable for switch"").
> Disabling the switch regulators will only be done if the user specifies
> "pfuze-disable-sw" in its device tree to keep backward compatibility with
> current dtb's [1]. Otherwise the regulators are marked as 'disabled', but
> the driver keeps them on. So it's more like a simulated disable.
>
> [1] https://patchwork.kernel.org/patch/10490381/
>
> Signed-off-by: Marco Felsch <m.felsch@...gutronix.de>

Reviewed-by: Fabio Estevam <fabio.estevam@....com>