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    Subject[PATCH AUTOSEL 5.6 058/606] arm64: dts: qcom: msm8996: Reduce vdd_apc voltage
    Date
    From: Bjorn Andersson <bjorn.andersson@linaro.org>

    commit 28810eecae08f9458a44831978e36f14ed182c80 upstream.

    Some msm8996 based devices are unstable when run with VDD_APC of 1.23V,
    which is listed as the maximum voltage in "Turbo" mode. Given that the
    CPU cluster is not run in "Turbo" mode, reduce this to 0.98V - the
    maximum voltage for nominal operation.

    Tested-by: Loic Poulain <loic.poulain@linaro.org>
    Fixes: 7a2a2231ef22 ("arm64: dts: apq8096-db820c: Fix VDD core voltage")
    Cc: Loic Poulain <loic.poulain@linaro.org>
    Link: https://lore.kernel.org/r/20200318054442.3066726-1-bjorn.andersson@linaro.org
    Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
    index fff6115f2670..a85b85d85a5f 100644
    --- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
    +++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
    @@ -658,8 +658,8 @@ s10 {
    s11 {
    qcom,saw-leader;
    regulator-always-on;
    - regulator-min-microvolt = <1230000>;
    - regulator-max-microvolt = <1230000>;
    + regulator-min-microvolt = <980000>;
    + regulator-max-microvolt = <980000>;
    };
    };

    --
    2.25.1
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