linux-kernel - Re: [PATCH] arm64: dts: qcom: qcs8300: pmic: Remove 'allow-set-time' property

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Message-ID: <s6dqap37vs6ihtsdttvcx6p4sbkbzi5rd4kpa36fwfleei3fss@wdizdscqxfah>
Date: Fri, 26 Sep 2025 16:49:28 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Tingguo Cheng <tingguo.cheng@....qualcomm.com>
Cc: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, kernel@....qualcomm.com,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Kamal Wadhwa <kamal.wadhwa@....qualcomm.com>,
        Rakesh Kota <rakesh.kota@....qualcomm.com>,
        Fenglin Wu <fenglin.wu@....qualcomm.com>
Subject: Re: [PATCH] arm64: dts: qcom: qcs8300: pmic: Remove 'allow-set-time'
 property

On Fri, Sep 26, 2025 at 12:09:27PM +0800, Tingguo Cheng wrote:
> Remove the 'allow-set-time' property from the rtc node because APPS
> is prohibited from setting the hardware RTC time.
> 
> Signed-off-by: Tingguo Cheng <tingguo.cheng@....qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/qcs8300-pmics.dtsi | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/qcs8300-pmics.dtsi b/arch/arm64/boot/dts/qcom/qcs8300-pmics.dtsi
> index a94b0bfa98dc39e41d1a0de3373753953609b95c..e990d7367719beaa9e0cea87d9c183ae18c3ebc8 100644
> --- a/arch/arm64/boot/dts/qcom/qcs8300-pmics.dtsi
> +++ b/arch/arm64/boot/dts/qcom/qcs8300-pmics.dtsi
> @@ -18,7 +18,6 @@ pmm8620au_0_rtc: rtc@...0 {
>  			reg = <0x6100>, <0x6200>;
>  			reg-names = "rtc", "alarm";
>  			interrupts = <0x0 0x62 0x1 IRQ_TYPE_EDGE_RISING>;
> -			allow-set-time;
>  		};
>  
>  		pmm8620au_0_gpios: gpio@...0 {

Do we have a UEFI variable or SDAM offset to keep the offset between the
RTC and HLOS then?

-- 
With best wishes
Dmitry