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Date:   Tue, 19 Jul 2022 10:33:45 +1000
From:   Dave Airlie <>
To:     Jakub Kicinski <>
Cc:     Thorsten Leemhuis <>,
        Linus Torvalds <>,
        Jonathan Corbet <>,
        "open list:DOCUMENTATION" <>,
        Greg Kroah-Hartman <>,
        Daniel Vetter <>,
        "Luis R. Rodriguez" <>,
        LKML <>,
        "" <>,
        Network Development <>,
        Linux Wireless List <>,,
        Linux Media Mailing List <>,, Dave Airlie <>
Subject: Re: [PATCH] docs: driver-api: firmware: add driver firmware guidelines.

On Tue, 19 Jul 2022 at 08:04, Jakub Kicinski <> wrote:
> On Mon, 18 Jul 2022 11:33:11 +0200 Thorsten Leemhuis wrote:
> > > If the hardware isn't
> > > +  enabled by default or under development,
> >
> > Wondering if it might be better to drop the "or under development", as
> > the "enabled by default" is the main part afaics. Maybe something like
> > "If support for the hardware is normally inactive (e.g. has to be
> > enabled manually by a kernel parameter)" would be better anyway.
> It's a tricky one, I'd say something like you can break the FW ABI
> "until HW becomes available for public consumption" or such.
> I'm guessing what we're after is letting people break the compatibility
> in early stages of the product development cycles. Pre-silicon and
> bring up, but not after there are products on the market?

I'll stick with enabled by default I think, "public consumption"
invites efforts to describe corners of the cloud or other places where
hw has shipped but is not technically "public",


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