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Subject: Re: [PATCH 1/2] PCI: loongson: add skip-scan property for child DT
 node
To:     Jiaxun Yang <jiaxun.yang@flygoat.com>,
        Bjorn Helgaas <bhelgaas@google.com>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Lorenzo Pieralisi <lpieralisi@kernel.org>,
        =?UTF-8?Q?Krzysztof_Wilczy=c5=84ski?= <kw@linux.com>
Cc:     chenhuacai@loongson.cn, lvjianmin@loongson.cn,
        zhuyinbo@loongson.cn, linux-pci@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
References: <20221103090040.836-1-liupeibao@loongson.cn>
 <dc6aef31-5d0f-9265-1a6b-f1569cec4b37@flygoat.com>
From:   Liu Peibao <liupeibao@loongson.cn>
Message-ID: <72c08f35-934d-8e30-2b5d-44093d108613@loongson.cn>
Date:   Fri, 4 Nov 2022 14:36:04 +0800
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On 11/3/22 7:37 PM, Jiaxun Yang wrote:
> 
> 
> 在 2022/11/3 09:00, Liu Peibao 写道:
>> The PCI Controller of 2k1000 could not mask devices by
>> setting vender id & device id in configuration space header
>> as invalid values. When there are pins shareble between
>> the platform device and PCI device, if the platform device
>> is preferred, we should not scan this PCI device. In the
>> above scene, add "skip-scan" property in DT node of this
>> PCI device.
> 
> If you are going to add a new property you need to document it somewhere.
> 
> From my point of view you can use existing property `status = "disabled"`
> to for this semantic...
> 
That is really constructive. I will let it work with `status = "disabled"`.

BR,
Peibao