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From: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
To: Jonathan Marek <jonathan@marek.ca>
Cc: Andy Gross <agross@kernel.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Vinod Koul <vkoul@kernel.org>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
	<devicetree@vger.kernel.org>,
	open list <linux-kernel@vger.kernel.org>,
	linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: sm8450: delete incorrect ufs interconnect fields
Date: Thu, 7 Apr 2022 22:40:27 +0300	[thread overview]
Message-ID: <e41c26c2-8aa4-cfd2-27b0-eb011f45eda0@linaro.org> (raw)
In-Reply-To: <20220407172145.31903-1-jonathan@marek.ca>

On 4/7/22 20:21, 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.

Basically the description was added by a commit 462c5c0aa798 ("dt-bindings: ufs:
qcom,ufs: convert to dtschema").

It's questionable, if an example in the new yaml file is totally correct
in connection to the discussed issue.

> Fixes: aa2d0bf04a3c ("arm64: dts: qcom: sm8450: add interconnect nodes")
> Signed-off-by: Jonathan Marek <jonathan@marek.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@1d84000 {
>   
>   			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",

You may look at https://lore.kernel.org/linux-arm-msm/20220310221934.1560729-1-vladimir.zapolskiy@linaro.org/

--
Best wishes,
Vladimir

  reply	other threads:[~2022-04-07 20:32 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-07 17:21 [PATCH] arm64: dts: qcom: sm8450: delete incorrect ufs interconnect fields Jonathan Marek
2022-04-07 19:40 ` Vladimir Zapolskiy [this message]
2022-04-07 21:16   ` Krzysztof Kozlowski
2022-04-07 22:38     ` Jonathan Marek
2022-04-12  2:16       ` Bjorn Andersson
2022-04-12  4:04         ` Jonathan Marek
2022-04-12 20:51 ` Bjorn Andersson
2022-04-12 21:07   ` Jonathan Marek
2022-04-14 18:35   ` Dmitry Baryshkov

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