linux-kernel - Re: [PATCH -next 3/4] spi: mockup: Add runtime device tree overlay interface

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Message-ID: <Yw3mE1UX1z/fGSBL@sirena.org.uk>
Date:   Tue, 30 Aug 2022 11:27:31 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Wei Yongjun <weiyongjun1@...wei.com>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
        linux-spi@...r.kernel.org
Subject: Re: [PATCH -next 3/4] spi: mockup: Add runtime device tree overlay
 interface

On Fri, Aug 26, 2022 at 02:43:40PM +0000, Wei Yongjun wrote:

> Add a runtime device tree overlay interface for device need dts file.
> With it its possible to use device tree overlays without having to use
> a per-platform overlay manager.

Why would an entirely virtual device like this need to appear in
DT?  DT is supposed to be a hardware description and this clearly
isn't hardware, nor is it something we're providing to a VM.

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