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    Subject[PATCH 6.0 431/862] arm64: dts: qcom: sa8295p-adp: disallow regulator mode switches
    Date
    From: Johan Hovold <johan+linaro@kernel.org>

    [ Upstream commit 2a6164cef63cae77edbd9deef844b1774886fcb7 ]

    Do not allow the RPMh regulators to switch to low-power mode with an
    exception for the UFS regulators (l3c, l6c, l10c and l17c) as UFS
    supports an idle mode.

    This specifically avoids having regulators be but in low-power mode when
    only some consumers specify loads while the actual total load really
    warrants high-power mode.

    Fixes: 519183af39b2 ("arm64: dts: qcom: add SA8540P and ADP")
    Link: https://lore.kernel.org/all/YtkrDcjTGhpaU1e0@hovoldconsulting.com
    Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
    Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
    Signed-off-by: Bjorn Andersson <andersson@kernel.org>
    Link: https://lore.kernel.org/r/20220803121942.30236-4-johan+linaro@kernel.org
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    arch/arm64/boot/dts/qcom/sa8295p-adp.dts | 11 -----------
    1 file changed, 11 deletions(-)

    diff --git a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
    index 9398f0349944..ca5f5ad32ce5 100644
    --- a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
    +++ b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
    @@ -35,7 +35,6 @@
    regulator-min-microvolt = <1200000>;
    regulator-max-microvolt = <1208000>;
    regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
    - regulator-allow-set-load;
    };

    vreg_l5a: ldo5 {
    @@ -43,7 +42,6 @@
    regulator-min-microvolt = <912000>;
    regulator-max-microvolt = <912000>;
    regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
    - regulator-allow-set-load;
    };

    vreg_l7a: ldo7 {
    @@ -51,7 +49,6 @@
    regulator-min-microvolt = <1800000>;
    regulator-max-microvolt = <1800000>;
    regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
    - regulator-allow-set-load;
    };

    vreg_l13a: ldo13 {
    @@ -59,7 +56,6 @@
    regulator-min-microvolt = <3072000>;
    regulator-max-microvolt = <3072000>;
    regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
    - regulator-allow-set-load;
    };
    };

    @@ -72,7 +68,6 @@
    regulator-min-microvolt = <912000>;
    regulator-max-microvolt = <912000>;
    regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
    - regulator-allow-set-load;
    };

    vreg_l2c: ldo2 {
    @@ -80,7 +75,6 @@
    regulator-min-microvolt = <3072000>;
    regulator-max-microvolt = <3072000>;
    regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
    - regulator-allow-set-load;
    };

    vreg_l3c: ldo3 {
    @@ -96,7 +90,6 @@
    regulator-min-microvolt = <1200000>;
    regulator-max-microvolt = <1208000>;
    regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
    - regulator-allow-set-load;
    };

    vreg_l6c: ldo6 {
    @@ -112,7 +105,6 @@
    regulator-min-microvolt = <1800000>;
    regulator-max-microvolt = <1800000>;
    regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
    - regulator-allow-set-load;
    };

    vreg_l10c: ldo10 {
    @@ -141,7 +133,6 @@
    regulator-min-microvolt = <1200000>;
    regulator-max-microvolt = <1200000>;
    regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
    - regulator-allow-set-load;
    };

    vreg_l7g: ldo7 {
    @@ -149,7 +140,6 @@
    regulator-min-microvolt = <1800000>;
    regulator-max-microvolt = <1800000>;
    regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
    - regulator-allow-set-load;
    };

    vreg_l8g: ldo8 {
    @@ -157,7 +147,6 @@
    regulator-min-microvolt = <880000>;
    regulator-max-microvolt = <880000>;
    regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
    - regulator-allow-set-load;
    };
    };
    };
    --
    2.35.1


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