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    Subject[PATCH 4.19 077/422] ARM: dts: exynos: Fix regulators configuration on Peach Pi/Pit Chromebooks
    Date
    From: Marek Szyprowski <m.szyprowski@samsung.com>

    [ Upstream commit f8f3b7fc21b1cb59385b780acd9b9a26d04cb7b2 ]

    Regulators, which are marked as 'on-in-suspend' seems to be critical for
    board operation, thus they must not be disabled anytime. This can be
    only assured by marking them as 'always-on', because otherwise some
    actions of their clients might result in turning them off. This patch
    restores suspend/resume operation on Peach-Pit Chromebook board. It
    partially reverts 'always-on' property removal done by the commit
    mentioned in the Fixes tag.

    Fixes: 665c441eea3d ("ARM: dts: exynos: Remove unneded always-on for regulators on Peach boards")
    Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
    Tested-by: Tomasz Figa <tfiga@chromium.org>
    Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    arch/arm/boot/dts/exynos5420-peach-pit.dts | 3 +++
    arch/arm/boot/dts/exynos5800-peach-pi.dts | 3 +++
    2 files changed, 6 insertions(+)

    diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts b/arch/arm/boot/dts/exynos5420-peach-pit.dts
    index 25bdc9d97a4df..769d60d6c9006 100644
    --- a/arch/arm/boot/dts/exynos5420-peach-pit.dts
    +++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts
    @@ -312,6 +312,7 @@
    regulator-name = "vdd_1v35";
    regulator-min-microvolt = <1350000>;
    regulator-max-microvolt = <1350000>;
    + regulator-always-on;
    regulator-boot-on;
    regulator-state-mem {
    regulator-on-in-suspend;
    @@ -333,6 +334,7 @@
    regulator-name = "vdd_2v";
    regulator-min-microvolt = <2000000>;
    regulator-max-microvolt = <2000000>;
    + regulator-always-on;
    regulator-boot-on;
    regulator-state-mem {
    regulator-on-in-suspend;
    @@ -343,6 +345,7 @@
    regulator-name = "vdd_1v8";
    regulator-min-microvolt = <1800000>;
    regulator-max-microvolt = <1800000>;
    + regulator-always-on;
    regulator-boot-on;
    regulator-state-mem {
    regulator-on-in-suspend;
    diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts
    index 7989631b39ccf..492e2cd2e559e 100644
    --- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
    +++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
    @@ -312,6 +312,7 @@
    regulator-name = "vdd_1v35";
    regulator-min-microvolt = <1350000>;
    regulator-max-microvolt = <1350000>;
    + regulator-always-on;
    regulator-boot-on;
    regulator-state-mem {
    regulator-on-in-suspend;
    @@ -333,6 +334,7 @@
    regulator-name = "vdd_2v";
    regulator-min-microvolt = <2000000>;
    regulator-max-microvolt = <2000000>;
    + regulator-always-on;
    regulator-boot-on;
    regulator-state-mem {
    regulator-on-in-suspend;
    @@ -343,6 +345,7 @@
    regulator-name = "vdd_1v8";
    regulator-min-microvolt = <1800000>;
    regulator-max-microvolt = <1800000>;
    + regulator-always-on;
    regulator-boot-on;
    regulator-state-mem {
    regulator-on-in-suspend;
    --
    2.20.1


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