linux-kernel - Re: [PATCH 2/2] dt-bindings: PCI: loongson: Document msi-parent property

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Message-ID: <471caf7c-e94a-4c8c-b6be-e4f3c51b2d3d@kernel.org>
Date: Wed, 10 Dec 2025 06:22:46 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: "Rob Herring (Arm)" <robh@...nel.org>, Yao Zi <me@...ao.cc>
Cc: linux-pci@...r.kernel.org, Conor Dooley <conor+dt@...nel.org>,
 Lorenzo Pieralisi <lpieralisi@...nel.org>,
 Krzysztof Wilczyński <kwilczynski@...nel.org>,
 linux-kernel@...r.kernel.org, Jiaxun Yang <jiaxun.yang@...goat.com>,
 devicetree@...r.kernel.org, Manivannan Sadhasivam <mani@...nel.org>,
 WANG Xuerui <kernel@...0n.name>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 loongarch@...ts.linux.dev, Binbin Zhou <zhoubinbin@...ngson.cn>,
 Bjorn Helgaas <bhelgaas@...gle.com>, Huacai Chen <chenhuacai@...nel.org>
Subject: Re: [PATCH 2/2] dt-bindings: PCI: loongson: Document msi-parent
 property

On 09/12/2025 23:39, Rob Herring (Arm) wrote:
> 
> On Tue, 09 Dec 2025 14:00:06 +0000, Yao Zi wrote:
>> Loongson PCI controllers found in LS2K1000/2000 SoCs
>> (loongson,ls2k-pci), 7A1000/2000 bridge chips (loongson,ls7a-pci), and
>> RS780E bridge chips (loongson,rs780e-pci) all have their paired MSI
>> controllers.
>>
>> Though only the one in LS2K2000 SoC is described in devicetree, we
>> should document the property for all variants. For the same reason, it
>> isn't marked as required for now.
>>
>> Fixes: 83e757ecfd5d ("dt-bindings: Document Loongson PCI Host Controller")
>> Signed-off-by: Yao Zi <me@...ao.cc>
>> ---
>>  Documentation/devicetree/bindings/pci/loongson.yaml | 2 ++
>>  1 file changed, 2 insertions(+)
>>
> 
> Acked-by: Rob Herring (Arm) <robh@...nel.org>
> 

Seems my explicit pointing towards Loongarch during OSS talk brought
some effects...

Best regards,
Krzysztof