linux-kernel - Re: [PATCH 0/2] Add support for Gunyah Watchdog

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Message-ID: <tKcoAs2SS60FpZ7kb5BZTDoNFMgIBPe3Lvu59uksDQNhOoXPrF7bsvp7rs-s63V_xbnmqV0_nGXa-OiFW6V9a5waP3VK9lLxv30mxSayfF0=@pm.me>
Date: Tue, 13 Jan 2026 16:55:56 +0000
From: Alexander Koskovich <AKoskovich@...me>
To: Mukesh Ojha <mukesh.ojha@....qualcomm.com>
Cc: Konrad Dybcio <konrad.dybcio@....qualcomm.com>, Pavan Kondeti <pavan.kondeti@....qualcomm.com>, Bjorn Andersson <andersson@...nel.org>, Neil Armstrong <neil.armstrong@...aro.org>, hrishabh.rajput@....qualcomm.com, Konrad Dybcio <konradybcio@...nel.org>, 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>, linux-arm-msm@...r.kernel.org, linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] Add support for Gunyah Watchdog



On Tuesday, January 13th, 2026 at 11:47 AM, Mukesh Ojha <mukesh.ojha@....qualcomm.com> wrote:

> Just to clarify you said, there is no issue if you just use dtb and not use dtbo ?
> And issue happen when you start using a dtbo, even a dummy one, right ?

Yeah, the cases are as follows:

dtb only (no arch_timer label) = boots
dtb (no arch_timer label) + dtbo = fails
dtb (has arch_timer label) + dtbo = boots

Alex