RE: [PATCH v3] content: Reserve ID for media device

[Cornelia Huck <cohuck@redhat.com>]

On Tue, Oct 01 2024, Parav Pandit <parav@nvidia.com> wrote:

>> From: Parav Pandit <parav@nvidia.com>
>> Sent: Tuesday, October 1, 2024 1:35 PM
>> To: Albert Esteve <aesteve@redhat.com>; virtio-comment@lists.linux.dev;
>> aiswarya.cyriac@opensynergy.com
>> Cc: acourbot@chromium.org
>> Subject: RE: [PATCH v3] content: Reserve ID for media device
>> 
>> Hi Albert,
>> 
>> From: Albert Esteve <aesteve@redhat.com>
>> Sent: Wednesday, September 25, 2024 12:20 PM
>> 
>> 
>> On Fri, Sep 6, 2024 at 9:08 AM Albert Esteve <mailto:aesteve@redhat.com>
>> wrote:
>> Reserve device ID 49 for media device.
>> Compatible with video encoder, video decoder,
>> and capture devices.
>> 
>> Signed-off-by: Albert Esteve <mailto:aesteve@redhat.com>
>> ---
>>  content.tex | 2 ++
>>  1 file changed, 2 insertions(+)
>> 
>> diff --git a/content.tex b/content.tex
>> index 0a62dce..6d6b3d8 100644
>> --- a/content.tex
>> +++ b/content.tex
>> @@ -739,6 +739,8 @@ \chapter{Device Types}\label{sec:Device Types}
>>  \hline
>>  45         &   SPI master \\
>>  \hline
>> +49         &   Media device \\
>> +\hline
>>  \end{tabular}
>> 
>> The id 48 request was made several months ago in May-24 for usb, no further
>> interest has been shown on it.
>> Better to avoid holes in the device id assignment.
>> So id 48 would be better to use for media that has interest.
>> Added virtio-usb proposer to thread to see if it is still interesting, in that case
>> 49 seems good here.
>> 
>> Given the voting has started, I am not sure if the real id value matters as long
>> as one of the unique id is reserved.
>> 
>> And do not prefer to restart the voting for such a small change either on my
>> late observation of this hole.
>> 
>> I think when the maintainer merges the proposed patch to assign id 48,
>> should be fine.
>> 
>> Michael,
>> Are you ok this way? Or you have better suggestion?
>> 
>> Aishwarya,
>> Is virtio-usb still interesting? If so, can you please request for the vote? So that
>> we avoid the hole in device id assignment.
> I received auto reply from Aishwarya's employer that they are not reachable due to acquisition.
> So not sure if virtio-usb and 48 is still relevant.

OTOH, a gap in the id list doesn't really matter?