linux-kernel - Re: [PATCH v2 21/23] arm64: dts: Update cache properties for synaptics

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Message-ID: <6c40e7f1-0bc7-d7c0-95e9-16e08a4d93c6@arm.com>
Date:   Thu, 12 Jan 2023 09:32:51 +0100
From:   Pierre Gondois <pierre.gondois@....com>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Jisheng Zhang <jszhang@...nel.org>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v2 21/23] arm64: dts: Update cache properties for
 synaptics

(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>
> Reviewed-by: Jisheng Zhang <jszhang@...nel.org>
> ---
>   arch/arm64/boot/dts/synaptics/berlin4ct.dtsi | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/boot/dts/synaptics/berlin4ct.dtsi b/arch/arm64/boot/dts/synaptics/berlin4ct.dtsi
> index 0949acee4728..926da7e1a6ba 100644
> --- a/arch/arm64/boot/dts/synaptics/berlin4ct.dtsi
> +++ b/arch/arm64/boot/dts/synaptics/berlin4ct.dtsi
> @@ -64,6 +64,7 @@ cpu3: cpu@3 {
>   
>   		l2: cache {
>   			compatible = "cache";
> +			cache-level = <2>;
>   		};
>   
>   		idle-states {