linux-kernel - Re: [PATCH 1/2] PCI: loongson: add skip-scan property for child DT node

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <dc6aef31-5d0f-9265-1a6b-f1569cec4b37@flygoat.com>
Date:   Thu, 3 Nov 2022 11:37:12 +0000
From:   Jiaxun Yang <jiaxun.yang@...goat.com>
To:     Liu Peibao <liupeibao@...ngson.cn>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>
Cc:     chenhuacai@...ngson.cn, lvjianmin@...ngson.cn,
        zhuyinbo@...ngson.cn, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] PCI: loongson: add skip-scan property for child DT
 node



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...

Thanks.
- Jiaxun


>
> Signed-off-by: Liu Peibao <liupeibao@...ngson.cn>
> ---
>