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Date: Thu, 5 Feb 2026 11:08:18 +0000
From: Sudeep Holla <sudeep.holla@kernel.org>
To: Cristian Marussi <cristian.marussi@arm.com>
Cc: Andre Przywara <andre.przywara@arm.com>,
	Debbie Horsfall <debbie.horsfall@arm.com>,
	Rob Herring <robh@kernel.org>,
	Sudeep Holla <sudeep.holla@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Liviu Dudau <liviu.dudau@arm.com>,
	Lorenzo Pieralisi <lpieralisi@kernel.org>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 2/2] arm64: dts: zena: Add support for Zena CSS
Message-ID: <20260205-intelligent-intrepid-robin-df42bd@sudeepholla>
References: <20260123-zena-css-v1-0-34adb95cdf89@arm.com>
 <20260123-zena-css-v1-2-34adb95cdf89@arm.com>
 <20260127132206.036892e4@donnerap.manchester.arm.com>
 <c1259bad-be4d-4489-840d-4ab2f4e466f2@arm.com>
 <8c343e6d-14f8-4f55-8218-bc3f0813e8cf@arm.com>
 <20260130-light-piquant-termite-fcbec4@sudeepholla>
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In-Reply-To: <aYHmDTboOtkgac00@pluto>

On Tue, Feb 03, 2026 at 12:11:57PM +0000, Cristian Marussi wrote:
> 
> All of this madness was the best way I could find to address the problem
> of supporting such new unidirectional mailboxes in the SCMI while NOT
> breaking backward compatibility in the absence of mandatory naming from
> the start.
> 

You can attribute this to my expecting an overly ideal scenario with
bidirectional mailbox channels across all platforms using SCMI. At the time, I
did not anticipate the range of configurations that rely on unidirectional
channels.

-- 
Regards,
Sudeep