linux-kernel - Re: [PATCH 1/4] regulator: core: If consumers don't call regulator_set

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Message-ID: <20180820171826.GA22128@sirena.org.uk>
Date:   Mon, 20 Aug 2018 18:18:26 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Douglas Anderson <dianders@...omium.org>,
        linux-arm-msm@...r.kernel.org, collinsd@...eaurora.org,
        swboyd@...omium.org, Liam Girdwood <lgirdwood@...il.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] regulator: core: If consumers don't call
 regulator_set_load() assume max

On Fri, Aug 17, 2018 at 02:36:01PM -0700, Bjorn Andersson wrote:

> FWIW, we've had this problem on other devices as well; where the eMMC
> won't operate properly unless the supply operates in HPM. We've worked
> around this by specifying regulator-system-load for said regulators.

You can set the regulator to work in a single mode all the time, that's
not a problem.  If you know the system needs to be in a specific mode
it's easy to configure that (some might require a mode below the highest
power one since that's sometimes the noisiest).

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