linux-kernel - Re: [PATCH] arm64: dts: qcom: sc7180: Describe on-SoC USB-adjacent data paths

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <7bptwqmqimkuixgo3zvwfafktx7sj6a5xzfcedip6vuudhwmqt@ey7cs7x2ucxr>
Date: Sat, 9 Aug 2025 10:49:57 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Konrad Dybcio <konradybcio@...nel.org>, Nikita Travkin <nikita@...n.ru>
Cc: cros-qcom-dts-watchers@...omium.org,
        Bjorn Andersson <andersson@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: Re: [PATCH] arm64: dts: qcom: sc7180: Describe on-SoC USB-adjacent
 data paths

On Fri, Aug 08, 2025 at 11:20:45AM +0200, Konrad Dybcio wrote:
> From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> 
> Define ports {} for the DWC controller & the QMPPHY and connect them
> together for the SS lanes.
> 
> Leave the DP endpoint unconnected for now, as both Aspire 1 and the
> Chromebooks (unmerged, see [1]) seem to have a non-trivial topology.

If I remember correctly, on SC7180 the DP is still routed through USB+DP
combo PHY rather than having a separate output. I'd let Nikita to
comment though.

For the patch:

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>


> Take the creative liberty to add a newline before its ports' subnodes
> though.
> 
> [1] https://lore.kernel.org/linux-arm-msm/20240210070934.2549994-23-swboyd@chromium.org/
> 
> Suggested-by: Rob Herring (Arm) <robh@...nel.org>
> Closes: https://lore.kernel.org/linux-arm-msm/175462129176.394940.16810637795278334342.robh@kernel.org/
> Signed-off-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/sc7180.dtsi | 48 ++++++++++++++++++++++++++++++++++++
>  1 file changed, 48 insertions(+)
> 

-- 
With best wishes
Dmitry