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

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Message-ID: <7111c94c-a85c-2f51-f94b-ed60080b1717@gmail.com>
Date:   Tue, 30 Aug 2022 14:24:24 -0500
From:   Frank Rowand <frowand.list@...il.com>
To:     Mark Brown <broonie@...nel.org>,
        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 8/30/22 05:27, Mark Brown wrote:
> 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.

Good point.  Patch 3 seems to not be needed.

-Frank