linux-kernel - Re: [PATCH v2 2/2] dt-bindings: Add documentation for SPI daisy chain driver.

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Date:   Tue, 7 Jul 2020 11:55:48 +0200
From:   Adrian Fiergolski <adrian.fiergolski@...tree3d.com>
To:     Mark Brown <broonie@...nel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Lukas Wunner <lukas@...ner.de>, Rob Herring <robh+dt@...nel.org>,
        linux-spi <linux-spi@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/2] dt-bindings: Add documentation for SPI daisy chain
 driver.

Hi Geert and Mark,

Thank you for your comments. I will try to address them in the next replies.

On 06.07.2020 18:22, Mark Brown wrote:
> On Mon, Jul 06, 2020 at 05:32:51PM +0200, Geert Uytterhoeven wrote:
>
>> However, that information would need to be added to each driver only once.
>> With your proposal, it has to be added to all affected nodes of all DTSes
>> of all users.
> Right, these are fixed properties of the silicon which we know simply
> from knowing which device we have - there is no need to put them in DT
> at all.

I see. I agree with you. My concern was just the lack of compatibility
with the existing drivers. I will try to add daisy_chain information to
spi_driver struct in version v3 of the patch.