linux-kernel - [bug report] regulator-fixed-domain can't sleep

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Message-ID: <b9cc99c3-7dd3-6a57-b67c-e9e0ddd60a49@linaro.org>
Date:   Thu, 2 Mar 2023 14:43:18 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>
Cc:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Subject: [bug report] regulator-fixed-domain can't sleep

Hello,

I've noticed that regulator-fixed-domain sets the performance state of the
attached genpd to 0 correctly, but will never actually let the power domain
it's attached to enter idle, as it has no PM ops. I was trying to come up
with a good set of PM ops, but I'm not sure what PM ops for a regulator
should look like.

Konrad