linux-kernel - Re: [PATCH v3 3/9] dt-bindings: PCI: renesas,pci-rcar-gen2: 'depends-on' is no more optional

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Message-ID: <20221208100530.137fa8b7@bootlin.com>
Date:   Thu, 8 Dec 2022 10:05:30 +0100
From:   Herve Codina <herve.codina@...tlin.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Magnus Damm <magnus.damm@...il.com>,
        Gareth Williams <gareth.williams.jx@...esas.com>,
        linux-renesas-soc@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>
Subject: Re: [PATCH v3 3/9] dt-bindings: PCI: renesas,pci-rcar-gen2:
 'depends-on' is no more optional

Hi Krzysztof,

On Thu, 8 Dec 2022 09:26:41 +0100
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org> wrote:

> On 07/12/2022 17:24, Herve Codina wrote:
> > The 'depends-on' property is set in involved DTS.
> > 
> > Move it to a required property.
> > 
> > Signed-off-by: Herve Codina <herve.codina@...tlin.com>
> > ---
> >  Documentation/devicetree/bindings/pci/renesas,pci-rcar-gen2.yaml | 1 +  
> 
> This should be squashed with previous patch. There is no point to add
> property and immediately in the next patch make it required. Remember
> that bindings are separate from DTS.
> 
> Best regards,
> Krzysztof
> 

I though about make dtbs_check in case of git bisect.

But, ok I will squash or perhaps remove completely this commit.
It introduces a DT compatibility break adding a new mandatory
property (raised by Rob on cover letter review).
Is this compatibility break can be acceptable ?

Best regards,
Herve