linux-kernel - Re: [PATCH v2 6/6] arm64: dts: qcom: sm8450: Add missing interconnect paths to USB HC

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Date:   Tue, 12 Sep 2023 19:09:14 +0200
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Abel Vesa <abel.vesa@...aro.org>, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 6/6] arm64: dts: qcom: sm8450: Add missing interconnect
 paths to USB HC

Hi,

On 02/06/2023 08:20, Abel Vesa wrote:
> The USB HC node is missing the interconnect paths, so add them.
> 
> Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
> 
> Changes since v1:
>   * Added Konrad's R-b tag
> 
>   arch/arm64/boot/dts/qcom/sm8450.dtsi | 4 ++++
>   1 file changed, 4 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> index 11560ec9f182..5cd7296c7660 100644
> --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> @@ -4306,6 +4306,10 @@ usb_1: usb@...8800 {
>   
>   			resets = <&gcc GCC_USB30_PRIM_BCR>;
>   
> +			interconnects = <&aggre1_noc MASTER_USB3_0 0 &mc_virt SLAVE_EBI1 0>,
> +					<&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_USB3_0 0>;
> +			interconnect-names = "usb-ddr", "apps-usb";
> +
>   			usb_1_dwc3: usb@...0000 {
>   				compatible = "snps,dwc3";
>   				reg = <0 0x0a600000 0 0xcd00>;

Since this commit, this happens on hdk8450:
[    0.280395] usb30_prim_gdsc status stuck at 'off'


# bad: [2dde18cd1d8fac735875f2e4987f11817cc0bc2c] Linux 6.5
# good: [6995e2de6891c724bfeb2db33d7b87775f913ad1] Linux 6.4
git bisect start 'v6.5' 'v6.4'
# good: [b775d6c5859affe00527cbe74263de05cfe6b9f9] Merge tag 'mips_6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
git bisect good b775d6c5859affe00527cbe74263de05cfe6b9f9
# bad: [56cbceab928d7ac3702de172ff8dcc1da2a6aaeb] Merge tag 'usb-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
git bisect bad 56cbceab928d7ac3702de172ff8dcc1da2a6aaeb
# bad: [b30d7a77c53ec04a6d94683d7680ec406b7f3ac8] Merge tag 'perf-tools-for-v6.5-1-2023-06-28' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next
git bisect bad b30d7a77c53ec04a6d94683d7680ec406b7f3ac8
# bad: [313c22bb31953c5ac7f3be94279126307dd5865c] Merge tag 'arm-soc/for-6.5/devicetree' of https://github.com/Broadcom/stblinux into soc/dt
git bisect bad 313c22bb31953c5ac7f3be94279126307dd5865c
# good: [60c2f542a7ada6bce82ce8e9d50e05eea74fe472] Merge tag 'qcom-arm64-for-6.5' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/dt
git bisect good 60c2f542a7ada6bce82ce8e9d50e05eea74fe472
# good: [af3c684721cf69ff662c53a58f02261fa2f8efbe] Merge tag 'ti-k3-dt-for-v6.5' of https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux into soc/dt
git bisect good af3c684721cf69ff662c53a58f02261fa2f8efbe
# bad: [f07c96511d00138171130d43a50a377489cd87de] Merge tag 'v6.4-next-dts32' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into soc/dt
git bisect bad f07c96511d00138171130d43a50a377489cd87de
# good: [abc49a7c6035c57ece0642811f70a7a3892badb6] dt-bindings: arm: qcom: Add Samsung Galaxy Express
git bisect good abc49a7c6035c57ece0642811f70a7a3892badb6
# bad: [e47a7f571d57d383f345e85c47a05ef1801b278c] arm64: dts: qcom: sm8250: rename labels for DSI nodes
git bisect bad e47a7f571d57d383f345e85c47a05ef1801b278c
# bad: [add687cbfc3482ca74949b91b251e76792d25652] dt-bindings: arm: qcom: document AL02-C9 board based on IPQ9574 family
git bisect bad add687cbfc3482ca74949b91b251e76792d25652
# good: [fd62fd1cf9e7fb7ef761e411d37cb5d06769954b] arm64: dts: qcom: sm8250: Add missing interconnect paths to USB HCs
git bisect good fd62fd1cf9e7fb7ef761e411d37cb5d06769954b
# bad: [90c8c4eb4bbb5e2e241fd5286bd43dd30a850b9d] arm64: dts: qcom: qdu1000: Add SDHCI node
git bisect bad 90c8c4eb4bbb5e2e241fd5286bd43dd30a850b9d
# bad: [b5b0649d5be4c82d09489492c121a7823323fc4a] arm64: dts: qcom: sm8450: Add missing interconnect paths to USB HC
git bisect bad b5b0649d5be4c82d09489492c121a7823323fc4a
# good: [8b51dc863baf1447e9ab52411c5bed7ef9a56d80] arm64: dts: qcom: sm8350: Add missing interconnect paths to USB HCs
git bisect good 8b51dc863baf1447e9ab52411c5bed7ef9a56d80
# first bad commit: [b5b0649d5be4c82d09489492c121a7823323fc4a] arm64: dts: qcom: sm8450: Add missing interconnect paths to USB HC

Neil