linux-kernel - Re: [PATCH v3 2/3] arm64: dts: qcom: hamoa: Add the APSS watchdog

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Message-ID: <7c13ed57-3ae8-4dbc-9ee8-472a84e2dc40@oss.qualcomm.com>
Date: Mon, 29 Dec 2025 12:48:22 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Abel Vesa <abel.vesa@....qualcomm.com>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck
 <linux@...ck-us.net>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>,
        Rajendra Nayak <quic_rjendra@...cinc.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
Cc: Stephan Gerhold <stephan.gerhold@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-watchdog@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/3] arm64: dts: qcom: hamoa: Add the APSS watchdog

On 12/24/25 11:45 AM, Abel Vesa wrote:
> The watchdog support in EL1 is SBSA compliant, handled by Gunyah
> hypervisor, but in EL2. the watchdog is an instance of the APSS WDT HW
> block, same as older platforms. So describe the APSS WDT node and mark
> it as reserved, as it will only be enabled in EL2 overlay.
> 
> Signed-off-by: Abel Vesa <abel.vesa@....qualcomm.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

Konrad