linux-kernel - Re: [PATCH v7 5/8] clk: qcom: gdsc: enable optional power domain support

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Message-ID: <163425938743.1688384.8904532659751492259@swboyd.mtv.corp.google.com>
Date:   Thu, 14 Oct 2021 17:56:27 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Jonathan Marek <jonathan@...ek.ca>,
        Michael Turquette <mturquette@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Taniya Das <tdas@...eaurora.org>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-clk@...r.kernel.org,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 5/8] clk: qcom: gdsc: enable optional power domain support

Quoting Dmitry Baryshkov (2021-08-29 08:47:54)
> On sm8250 dispcc and videocc registers are powered up by the MMCX power
> domain. Currently we use a regulator to enable this domain on demand,
> however this has some consequences, as genpd code is not reentrant.
> 
> Make gdsc code also use pm_runtime calls to ensure that registers are
> accessible during the gdsc_enable/gdsc_disable operations.
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> ---

Applied to clk-next