linux-kernel - Re: [PATCH v8 3/3] dt-bindings: mtd: marvell-nand: Convert to YAML DT scheme

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Message-ID: <609c032d-0912-4ef0-b04a-4d40a7d2f0d0@lunn.ch>
Date:   Mon, 5 Jun 2023 23:26:07 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Chris Packham <Chris.Packham@...iedtelesis.co.nz>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        "miquel.raynal@...tlin.com" <miquel.raynal@...tlin.com>,
        "richard@....at" <richard@....at>,
        "vigneshr@...com" <vigneshr@...com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "conor+dt@...nel.org" <conor+dt@...nel.org>,
        "gregory.clement@...tlin.com" <gregory.clement@...tlin.com>,
        "sebastian.hesselbarth@...il.com" <sebastian.hesselbarth@...il.com>,
        "conor@...nel.org" <conor@...nel.org>,
        "linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "enachman@...vell.com" <enachman@...vell.com>,
        Vadym Kochan <vadym.kochan@...ision.eu>
Subject: Re: [PATCH v8 3/3] dt-bindings: mtd: marvell-nand: Convert to YAML
 DT scheme

> > Then you are doing something different than all other bindings.
> 
> Not intentionally. I should probably check that the existing bindings 
> actually work as expected.

This binding supports marvell,pxa3xx-nand. That is really really
old. So it could well be it works in the kernel, but the YAML does not
fully implement what the kernel actually supports. Best practices
could of pushed modern day DT to a subset, and YAML only supports that
subset of reality. And once you get outside of this subset, you run
into trouble.

I don't actually know this is the case, but you should keep it in
mind.

     Andrew