linux-kernel - Re: [PATCH v5 0/6] ti: k3-am62{a,p}x-sk: add opp frequencies

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Message-ID: <20240924121544.62my7eqnudc76orl@subscribe>
Date: Tue, 24 Sep 2024 07:15:44 -0500
From: Nishanth Menon <nm@...com>
To: Dhruva Gole <d-gole@...com>
CC: Vignesh Raghavendra <vigneshr@...com>, Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-pm@...r.kernel.org>,
        Andrew Davis
	<afd@...com>, Bryan Brattlof <bb@...com>
Subject: Re: [PATCH v5 0/6] ti: k3-am62{a,p}x-sk: add opp frequencies

On 15:20-20240924, Dhruva Gole wrote:
[...]
> 
> I am sorry that this breaks compatibility with older AM625 devicetree.
> However, the old devicetree was marking the entire wkup_conf as "syscon",
> "simple-mfd" which was wrong and needed to be fixed.
> 
> This series finally tries to bring order to DT and the driver.
> 
> However, if there is still any way to maintain the backward
> compatibility, then I am open to suggestions. Please try
> and understand here that the ask for backward compatibility here
> is to ask the driver to support a case where the register offset itself
> was to be picked from a different node. I am not sure if there's any
> cleaner way to do this.


Have you tried to handle this with quirks? I am not in favor of breaking
backward compatibility.

-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D