netdev - Re: [PATCH v2 net-next 00/10] mtk: wed: move cpuboot, ilm and dlm in dedicated dts nodes

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Message-ID: <20230406152511.GA3117403-robh@kernel.org>
Date:   Thu, 6 Apr 2023 10:25:11 -0500
From:   Rob Herring <robh@...nel.org>
To:     Lorenzo Bianconi <lorenzo@...nel.org>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com,
        pabeni@...hat.com, kuba@...nel.org, matthias.bgg@...il.com,
        linux-mediatek@...ts.infradead.org, nbd@....name, john@...ozen.org,
        sean.wang@...iatek.com, Mark-MC.Lee@...iatek.com,
        lorenzo.bianconi@...hat.com, daniel@...rotopia.org,
        krzysztof.kozlowski+dt@...aro.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v2 net-next 00/10] mtk: wed: move cpuboot, ilm and dlm in
 dedicated dts nodes

On Fri, Mar 31, 2023 at 03:12:36PM +0200, Lorenzo Bianconi wrote:
> Since cpuboot, ilm and dlm memory region are not part of MT7986 SoC RAM,

That's not really a requirement. Is that the only "problem" here?

Certainly going from a standard binding to a custom phandle reference is 
not an improvement.

> move them in dedicated mt7986a syscon dts nodes.

What makes them a syscon? Are they memory or h/w registers? Can't be 
both...

Perhaps mmio-sram?

> At the same time we keep backward-compatibility with older dts version where
> cpuboot, ilm and dlm were defined as reserved-memory child nodes.

Doesn't really seem big enough issue to justify carrying this.

Rob