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Date:   Tue, 9 Aug 2022 15:13:57 +0200
From:   Pali =?utf-8?B?Um9ow6Fy?= <pali@kernel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Rob Herring <robh+dt@kernel.org>, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] dt-bindings: marvell: Update Armada 37xx platform
 bindings
Message-ID: <20220809131357.u3dfsy3gu3iamiv7@pali>
References: <20220713200123.22612-1-pali@kernel.org>
 <20220808202352.iimhb2q6yawi35y6@pali>
 <20a349c9-a479-ad5b-fe33-4758a773972e@linaro.org>
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On Tuesday 09 August 2022 08:58:50 Krzysztof Kozlowski wrote:
> On 08/08/2022 23:23, Pali Rohár wrote:
> > PING?
> > 
> > On Wednesday 13 July 2022 22:01:23 Pali Rohár wrote:
> >> Distinguish between Armada 3700 family, Armada 3710 SoC and Armada 3720 SoC.
> >> Armada 3720 DB is name of the board with Armada 3720 SoC, so correctly
> >> indicate SoC in example.
> >>
> >> Signed-off-by: Pali Rohár <pali@kernel.org>
> >> ---
> >>  .../devicetree/bindings/arm/marvell/armada-37xx.txt        | 7 ++++++-
> >>  1 file changed, 6 insertions(+), 1 deletion(-)
> >>
> >> diff --git a/Documentation/devicetree/bindings/arm/marvell/armada-37xx.txt b/Documentation/devicetree/bindings/arm/marvell/armada-37xx.txt
> >> index f6d6642d81c0..d2ca008de266 100644
> >> --- a/Documentation/devicetree/bindings/arm/marvell/armada-37xx.txt
> >> +++ b/Documentation/devicetree/bindings/arm/marvell/armada-37xx.txt
> >> @@ -4,6 +4,11 @@ Marvell Armada 37xx Platforms Device Tree Bindings
> >>  Boards using a SoC of the Marvell Armada 37xx family must carry the
> >>  following root node property:
> >>  
> >> + - compatible: must contain "marvell,armada3700"
> >> +
> >> +In addition, boards using the Marvell Armada 3710 SoC shall have the
> >> +following property before the previous one:
> >> +
> 
> The change is an ABI break, which looks reasonable, but still platform
> maintainer should comment on it. Especially on the aspect why the
> marvell,armada3710 fallback was chosen at the first place.

I do not think this is ABI break but rather incorrect documentation and
bug in some board dts files.

> Unfortunately none of Marvel folks were CCed here, so you will need to
> resend it. Otherwise no one will apply it, regardless of our ack.

Done.