linux-kernel - Re: [PATCH 06/14] regulator: axp20x: add software based soft

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Message-ID: <20181204150954.GC6809@sirena.org.uk>
Date:   Tue, 4 Dec 2018 15:09:54 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Priit Laes <plaes@...es.org>
Cc:     Maxime Ripard <maxime.ripard@...tlin.com>,
        Lee Jones <lee.jones@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Chen-Yu Tsai <wens@...e.org>,
        Sebastian Reichel <sre@...nel.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-pm@...r.kernel.org,
        Olliver Schinagl <oliver@...inagl.nl>
Subject: Re: [PATCH 06/14] regulator: axp20x: add software based soft_start
 for AXP209 LDO3

On Tue, Dec 04, 2018 at 01:31:44PM +0000, Priit Laes wrote:

> Yes, makes sense. Although, should we then also distinguish between
> regulators which support soft-start in hardware and devices which emulate
> it by delay, like in this case?

Drivers should not be emulating soft start, if they need a ramp delay
they should set that in their descriptor and let the framework do it.

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