linux-kernel - Re: [PATCH V2 1/5] dt-bindings: virtio: Add binding for virtio devices

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Date:   Thu, 22 Jul 2021 12:28:36 +0200
From:   Arnd Bergmann <arnd@...nel.org>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     Jason Wang <jasowang@...hat.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Jean-Philippe Brucker <jean-philippe@...aro.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Bill Mills <bill.mills@...aro.org>,
        Alex Bennée <alex.bennee@...aro.org>,
        "Enrico Weigelt, metux IT consult" <info@...ux.net>,
        Jie Deng <jie.deng@...el.com>,
        DTML <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:DRM DRIVER FOR QEMU'S CIRRUS DEVICE" 
        <virtualization@...ts.linux-foundation.org>
Subject: Re: [PATCH V2 1/5] dt-bindings: virtio: Add binding for virtio devices

On Thu, Jul 22, 2021 at 11:57 AM Viresh Kumar <viresh.kumar@...aro.org> wrote:
>
> Allow virtio device sub-nodes to be added to the virtio mmio or pci
> nodes. The compatible property for virtio device must be of format
> "virtio,<DID>", where DID is virtio device ID in hexadecimal format.
>
> Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>

Looks good to me overall. One question would be for the exact format of
the 'compatible' string. After seeing this version, I would slightly prefer
"virtio,device22" over "virtio,22". I think in the previous version
we had mentioned both, but not actually decided on which one to use.

      Arnd