linux-kernel - Re: [PATCH 1/2] dt-bindings: interrupt-controller: qcom,pdc: Document x1p42100 PDC

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Message-ID: <209c49fb-04a6-43dc-a3f1-8451e3946d06@kernel.org>
Date: Wed, 31 Dec 2025 11:49:00 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Maulik Shah <maulik.shah@....qualcomm.com>,
 Thomas Gleixner <tglx@...utronix.de>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
 Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
 devicetree@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: interrupt-controller: qcom,pdc: Document
 x1p42100 PDC

On 31/12/2025 11:18, Maulik Shah wrote:
> Purwa shares the Hamoa (X1E80100) PDC device, but the hardware register

We don't use Hamoa name in upstream.

> bug addressed in commit e9a48ea4d90b ("irqchip/qcom-pdc: Workaround
> hardware register bug on X1E80100") is already fixed in Purwa silicon.
> 
> Hamoa compatible forces the software workaround. Add PDC compatible
> for purwa as "qcom,x1p42100-pdc" to remove the workaround from Purwa.
> 
> Fixes: f08edb529916 ("arm64: dts: qcom: Add X1P42100 SoC and CRD")

Your are describing wrong bug being fixed... or actually not a bug.
Every SoC should have dedicated compatible (see writing bindings) and
missing compatible is not a bug.

Best regards,
Krzysztof