linux-kernel - Re: [PATCH v3 3/5] dt-bindings: PCI: qcom: Reuse 'pcie-sdx55' reg bindings for ipq9574

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Message-ID: <72gjhqpzaszfb36pjl4g4t5x6kyc3xclwaenbzkgrkz6wtkx5j@6dw7stv76sr3>
Date: Wed, 18 Dec 2024 11:29:12 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Varadarajan Narayanan <quic_varada@...cinc.com>
Cc: bhelgaas@...gle.com, lpieralisi@...nel.org, kw@...ux.com, 
	manivannan.sadhasivam@...aro.org, robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org, 
	vkoul@...nel.org, kishon@...nel.org, andersson@...nel.org, konradybcio@...nel.org, 
	p.zabel@...gutronix.de, quic_nsekar@...cinc.com, dmitry.baryshkov@...aro.org, 
	quic_srichara@...cinc.com, linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org
Subject: Re: [PATCH v3 3/5] dt-bindings: PCI: qcom: Reuse 'pcie-sdx55' reg
 bindings for ipq9574

On Tue, Dec 17, 2024 at 03:33:57PM +0530, Varadarajan Narayanan wrote:
> IPQ5332 PCIe is similar to IPQ9574 except for the 'reg' bindings.
> Hence use the reg bindings that could be applicable for both and
> avoid adding a new binding for IPQ5332.

My comment was about driver, not binding.

You cannot reuse bindings. Use fallbacks.

Best regards,
Krzysztof