linux-kernel - Re: [PATCH] arm64: dts: sc7180: Enable video node

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Message-ID: <20191217192856.GV228856@google.com>
Date:   Tue, 17 Dec 2019 11:28:56 -0800
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Dikshita Agarwal <dikshita@...eaurora.org>
Cc:     andy.gross@...aro.org, david.brown@...aro.org, robh+dt@...nel.org,
        mark.rutland@....com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        vgarodia@...eaurora.org
Subject: Re: [PATCH] arm64: dts: sc7180: Enable video node

On Tue, Dec 17, 2019 at 01:23:38PM +0530, Dikshita Agarwal wrote:
> This is a preparation gerrit to enable video node for sc7180.
> This change depends on patch series Venus new features.
> 
> Signed-off-by: Dikshita Agarwal <dikshita@...eaurora.org>
> ---
>  arch/arm64/boot/dts/qcom/sc7180.dtsi | 28 ++++++++++++++++++++++++++++
>  1 file changed, 28 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> index 52a5861..ccf9ef5 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -1297,6 +1297,34 @@
>  
>  			#freq-domain-cells = <1>;
>  		};
> +
> +		venus: video-codec@...0000 {

Per convention nodes should be sorted by address, so this one
should be between system-cache-controller@...0000 and
thermal-sensor@...3000. If new nodes are always added to the
end conflicts are virtually guaranteed, especially in the early
phase of adding support for a SoC.