linux-kernel - Re: [PATCH v2 00/10] Add IOMMU support to MT8365 SoC

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Date:   Wed, 5 Apr 2023 15:13:47 +0200
From:   Alexandre Mergnat <amergnat@...libre.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Yong Wu <yong.wu@...iatek.com>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 00/10] Add IOMMU support to MT8365 SoC


On 05/04/2023 13:43, Krzysztof Kozlowski wrote:
> On 05/04/2023 10:06, Alexandre Mergnat wrote:
>> This commits are based on the Fabien Parent <fparent@...libre.com> work.
>>
>> The purpose of this series is to add the following HWs / IPs support for
>> the MT8365 SoC:
>> - System Power Manager
>> - MultiMedia Memory Management Unit "M4U" (IOMMU)
>>    - Smart Multimedia Interface "SMI"
>>      - Local arbiter "LARB"
>>
>> This series depends to two others which add power support for MT8365 SoC
>> [1] [2].
> So does it mean they cannot be merged? On first glance I do not see the
> dependency, so I wonder if we understand the dependencies the same. And
> subsystems.
Exactly, we shouldn't merge it before the dependent series to don't 
break the build due to
"#include <dt-bindings/power/mediatek,mt8365-power.h>" in the DTSI file.
Additionally, LARB will not work properly (or at all) without the power 
support.

Regards,
Alexandre