linux-kernel - Re: [PATCH 1/3] dt-bindings: arm: mediatek: mmsys: Allow single vdo/mmsys endpoint

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] [day] [month] [year] [list]

Message-ID: <b38823d4-1bce-496b-a063-75f2139aa3bd@collabora.com>
Date: Wed, 14 Jan 2026 09:27:33 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Rob Herring <robh@...nel.org>
Cc: krzk+dt@...nel.org, conor+dt@...nel.org, matthias.bgg@...il.com,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org,
 kernel@...labora.com
Subject: Re: [PATCH 1/3] dt-bindings: arm: mediatek: mmsys: Allow single
 vdo/mmsys endpoint

Il 13/01/26 23:53, Rob Herring ha scritto:
> On Thu, Jan 08, 2026 at 03:39:32PM +0100, AngeloGioacchino Del Regno wrote:
>> The hardware supports using just a single output while leaving all
>> of the others unconfigured (disabled), but the binding did not
>> really allow specifying a single endpoint@0, because in this case
>> one must either:
>>   - Call the subnode `endpoint` and not declare any address and/or
>>     size cells; or
>>   - Call the subnode `endpoint@0` and have at least one more other
>>     endpoint(@1 or @2), and declare address/size cells.
>>
>> Allow specifying a single `endpoint` subnode, without the `@0`
>> implicit suffix to suppress warnings happening on this kind of
>> valid usecase.
> 
> This series isn't needed. We've dropped this check from dtc. I'll do a
> sync with upstream.
> 
> In any case, it's also a W=1 warning which wouldn't be my top priority.
> 
> Rob

Oh, okay! Thanks for the feedback :D

Cheers,
Angelo