linux-kernel - Re: [PATCH] arm64: dts: qcom: sm8450: delete incorrect ufs interconnect fields

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Date:   Tue, 12 Apr 2022 15:51:25 -0500
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Jonathan Marek <jonathan@...ek.ca>
Cc:     linux-arm-msm@...r.kernel.org, Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Vinod Koul <vkoul@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arm64: dts: qcom: sm8450: delete incorrect ufs
 interconnect fields

On Thu 07 Apr 12:21 CDT 2022, Jonathan Marek wrote:

> Upstream sm8450.dtsi has #interconnect-cells = <2>; so these are wrong.
> Ignored and undocumented with upstream UFS driver so delete for now.
> 

Just to clarify, the binding do document interconnects and the property
should be there in the end. v1 (why isn't this marked v2?) was correct.

What I asked for was a statement on why it should be picked up for
v5.18-rc (as Dmitry requested).

Regards,
Bjorn

> Fixes: aa2d0bf04a3c ("arm64: dts: qcom: sm8450: add interconnect nodes")
> Signed-off-by: Jonathan Marek <jonathan@...ek.ca>
> ---
>  arch/arm64/boot/dts/qcom/sm8450.dtsi | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> index 2c18e1ef9e82d..90cdbec3cac99 100644
> --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> @@ -1663,9 +1663,6 @@ ufs_mem_hc: ufshc@...4000 {
>  
>  			iommus = <&apps_smmu 0xe0 0x0>;
>  
> -			interconnects = <&aggre1_noc MASTER_UFS_MEM &mc_virt SLAVE_EBI1>,
> -					<&gem_noc MASTER_APPSS_PROC &config_noc SLAVE_UFS_MEM_CFG>;
> -			interconnect-names = "ufs-ddr", "cpu-ufs";
>  			clock-names =
>  				"core_clk",
>  				"bus_aggr_clk",
> -- 
> 2.26.1
>