linux-kernel - Re: [PATCH] arm64: dts: qcom: qcm2290: Disable USB SS bus instances in park mode

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] [day] [month] [year] [list]

Message-ID: <px4wsemq2jvt4si33xquy3wzv7fdi6ywp66gutn6wcfdipwyr7@3ofcjfwfoxys>
Date: Sat, 19 Jul 2025 13:10:36 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Konrad Dybcio <konradybcio@...nel.org>
Cc: 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>, stable@...r.kernel.org,
        Rob Clark <robin.clark@....qualcomm.com>
Subject: Re: [PATCH] arm64: dts: qcom: qcm2290: Disable USB SS bus instances
 in park mode

On Tue, Jul 08, 2025 at 12:28:42PM +0200, Konrad Dybcio wrote:
> From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> 
> 2290 was found in the field to also require this quirk, as long &
> high-bandwidth workloads (e.g. USB ethernet) are consistently able to
> crash the controller otherwise.
> 
> The same change has been made for a number of SoCs in [1], but QCM2290
> somehow escaped the list (even though the very closely related SM6115
> was there).
> 
> Upon a controller crash, the log would read:
> 
> xhci-hcd.12.auto: xHCI host not responding to stop endpoint command
> xhci-hcd.12.auto: xHCI host controller not responding, assume dead
> xhci-hcd.12.auto: HC died; cleaning up
> 
> Add snps,parkmode-disable-ss-quirk to the DWC3 instance in order to
> prevent the aforementioned breakage.
> 
> [1] https://lore.kernel.org/all/20240704152848.3380602-1-quic_kriskura@quicinc.com/
> 
> Cc: stable@...r.kernel.org
> Reported-by: Rob Clark <robin.clark@....qualcomm.com>
> Fixes: a64a0192b70c ("arm64: dts: qcom: Add initial QCM2290 device tree")
> Signed-off-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/qcm2290.dtsi | 1 +
>  1 file changed, 1 insertion(+)
> 

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


-- 
With best wishes
Dmitry