linux-kernel - Re: [PATCH 0/2] Apple mailbox fixup: switch to generic compatibles

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Message-Id: <3fb087c1-2d67-4527-ad63-1f8ce54e6965@www.fastmail.com>
Date:   Thu, 09 Dec 2021 17:33:13 +0100
From:   "Sven Peter" <sven@...npeter.dev>
To:     "Hector Martin" <marcan@...can.st>,
        "Jassi Brar" <jassisinghbrar@...il.com>,
        "Rob Herring" <robh+dt@...nel.org>
Cc:     "Alyssa Rosenzweig" <alyssa@...enzweig.io>,
        "Mark Kettenis" <kettenis@...nbsd.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 0/2] Apple mailbox fixup: switch to generic compatibles

On Thu, Dec 9, 2021, at 06:50, Hector Martin wrote:
> Hi folks,
>
> Just a quick fix for the Apple mailbox compatible. Similar to [1], we
> intend to use SoC-specific compatibles only for potential quirks, and
> rely on a generic compatible to allow for forward-compatibility as long
> as things don't break.

I vaguely remember a brief discussion about this and I think we thought about
using "t6000-asc", "t8103-asc" in this case since this specific mailbox hardware
was only introduced in the M1. I think Apple calls this variant ascwrap-v4
and m3wrap-v2.

Doing it like you suggested is also fine with me though.


Sven