linux-kernel - Re: [PATCH RFT v2 06/14] clk: qcom: smd-rpm: Make BI_TCXO

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Date:   Thu, 9 Mar 2023 02:49:49 +0200
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        devicetree@...r.kernel.org
Subject: Re: [PATCH RFT v2 06/14] clk: qcom: smd-rpm: Make BI_TCXO_AO critical

On 08/03/2023 23:35, Konrad Dybcio wrote:
> We should never let go of the active-only XO vote, as otherwise the
> RPM may decide that there are no online users and it can be shut down,
> resulting in a total, uncontrolled system collapse.
> 
> Guarantee this through adding the CLK_IS_CRITICAL flag.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
>   drivers/clk/qcom/clk-smd-rpm.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

-- 
With best wishes
Dmitry