linux-kernel - Re: [PATCH] arm64: dts: qcom: sa8775p: mark ethernet devices as DMA-coherent

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Message-ID: <c5329e9a-6947-4070-a24b-8985724b9981@quicinc.com>
Date: Thu, 25 Apr 2024 16:20:54 -0700
From: "Abhishek Chauhan (ABC)" <quic_abchauha@...cinc.com>
To: Sagar Cheluvegowda <quic_scheluve@...cinc.com>,
        Konrad Dybcio
	<konrad.dybcio@...aro.org>,
        Rob Herring <robh@...nel.org>,
        "Krzysztof
 Kozlowski" <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
CC: <kernel@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arm64: dts: qcom: sa8775p: mark ethernet devices as
 DMA-coherent



On 4/25/2024 4:07 PM, Sagar Cheluvegowda wrote:
> Ethernet devices are cache coherent, mark it as such in the dtsi.
> 
> Change-Id: Id180fae617f2e348c0a80c6664b131cc57fcb4d6
Remove internal change id. 
Not required for upstreaming any changes. 
> Signed-off-by: Sagar Cheluvegowda <quic_scheluve@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/sa8775p.dtsi | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> index 231cea1f0fa8..5ab4ca978837 100644
> --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> @@ -2504,6 +2504,7 @@ ethernet1: ethernet@...00000 {
>  			phy-names = "serdes";
>  
>  			iommus = <&apps_smmu 0x140 0xf>;
> +			dma-coherent;
>  
>  			snps,tso;
>  			snps,pbl = <32>;
> @@ -2538,6 +2539,7 @@ ethernet0: ethernet@...40000 {
>  			phy-names = "serdes";
>  
>  			iommus = <&apps_smmu 0x120 0xf>;
> +			dma-coherent;
>  
>  			snps,tso;
>  			snps,pbl = <32>;
> 
> ---
> base-commit: a93289b830ce783955b22fbe5d1274a464c05acf
> change-id: 20240425-mark_ethernet_devices_dma_coherent-6c6154b84165
> 
> Best regards,