linux-kernel - Re: [PATCH v2 17/23] arm64: dts: Update cache properties for realtek

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Message-ID: <35413b5c-0d83-0f37-9ea7-1217305c138b@arm.com>
Date:   Thu, 12 Jan 2023 09:33:30 +0100
From:   Pierre Gondois <pierre.gondois@....com>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Andreas Färber <afaerber@...e.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-kernel@...ts.infradead.org,
        linux-realtek-soc@...ts.infradead.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v2 17/23] arm64: dts: Update cache properties for realtek

(subset for cc list)
Hello,
Just a reminder in case the patch was forgotten,
Regards,
Pierre

On 11/7/22 16:57, Pierre Gondois wrote:
> The DeviceTree Specification v0.3 specifies that the cache node
> 'compatible' and 'cache-level' properties are 'required'. Cf.
> s3.8 Multi-level and Shared Cache Nodes
> The 'cache-unified' property should be present if one of the
> properties for unified cache is present ('cache-size', ...).
> 
> Update the Device Trees accordingly.
> 
> Signed-off-by: Pierre Gondois <pierre.gondois@....com>
> ---
>   arch/arm64/boot/dts/realtek/rtd1293.dtsi | 1 +
>   arch/arm64/boot/dts/realtek/rtd1295.dtsi | 1 +
>   arch/arm64/boot/dts/realtek/rtd1296.dtsi | 1 +
>   arch/arm64/boot/dts/realtek/rtd1395.dtsi | 1 +
>   arch/arm64/boot/dts/realtek/rtd16xx.dtsi | 2 ++
>   5 files changed, 6 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/realtek/rtd1293.dtsi b/arch/arm64/boot/dts/realtek/rtd1293.dtsi
> index 2d92b56ac94d..0696b99fc40d 100644
> --- a/arch/arm64/boot/dts/realtek/rtd1293.dtsi
> +++ b/arch/arm64/boot/dts/realtek/rtd1293.dtsi
> @@ -30,6 +30,7 @@ cpu1: cpu@1 {
>   
>   		l2: l2-cache {
>   			compatible = "cache";
> +			cache-level = <2>;
>   		};
>   	};
>   
> diff --git a/arch/arm64/boot/dts/realtek/rtd1295.dtsi b/arch/arm64/boot/dts/realtek/rtd1295.dtsi
> index 1402abe80ea1..4ca322e420e6 100644
> --- a/arch/arm64/boot/dts/realtek/rtd1295.dtsi
> +++ b/arch/arm64/boot/dts/realtek/rtd1295.dtsi
> @@ -44,6 +44,7 @@ cpu3: cpu@3 {
>   
>   		l2: l2-cache {
>   			compatible = "cache";
> +			cache-level = <2>;
>   		};
>   	};
>   
> diff --git a/arch/arm64/boot/dts/realtek/rtd1296.dtsi b/arch/arm64/boot/dts/realtek/rtd1296.dtsi
> index fb864a139c97..03fccd48f0c0 100644
> --- a/arch/arm64/boot/dts/realtek/rtd1296.dtsi
> +++ b/arch/arm64/boot/dts/realtek/rtd1296.dtsi
> @@ -44,6 +44,7 @@ cpu3: cpu@3 {
>   
>   		l2: l2-cache {
>   			compatible = "cache";
> +			cache-level = <2>;
>   		};
>   	};
>   
> diff --git a/arch/arm64/boot/dts/realtek/rtd1395.dtsi b/arch/arm64/boot/dts/realtek/rtd1395.dtsi
> index 05c9216a87ee..94c0a8cf4953 100644
> --- a/arch/arm64/boot/dts/realtek/rtd1395.dtsi
> +++ b/arch/arm64/boot/dts/realtek/rtd1395.dtsi
> @@ -44,6 +44,7 @@ cpu3: cpu@3 {
>   
>   		l2: l2-cache {
>   			compatible = "cache";
> +			cache-level = <2>;
>   		};
>   	};
>   
> diff --git a/arch/arm64/boot/dts/realtek/rtd16xx.dtsi b/arch/arm64/boot/dts/realtek/rtd16xx.dtsi
> index afba5f04c8ec..2ee9ba1ecdc1 100644
> --- a/arch/arm64/boot/dts/realtek/rtd16xx.dtsi
> +++ b/arch/arm64/boot/dts/realtek/rtd16xx.dtsi
> @@ -87,12 +87,14 @@ cpu5: cpu@500 {
>   
>   		l2: l2-cache {
>   			compatible = "cache";
> +			cache-level = <2>;
>   			next-level-cache = <&l3>;
>   
>   		};
>   
>   		l3: l3-cache {
>   			compatible = "cache";
> +			cache-level = <3>;
>   		};
>   	};
>