linux-kernel - Re: [PATCH v2 2/2] arm64: dts: qcom: sc7280: Disable SuperSpeed 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] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAD=FV=VpYVE6hksZiyVTG+9qOZnpdyt45Av5JizeUiOHaVzvjg@mail.gmail.com>
Date: Tue, 4 Jun 2024 07:31:54 -0700
From: Doug Anderson <dianders@...gle.com>
To: Krishna Kurapati <quic_kriskura@...cinc.com>
Cc: cros-qcom-dts-watchers@...omium.org, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Rob Herring <robh@...nel.org>, 
	Bjorn Andersson <andersson@...nel.org>, Konrad Dybcio <konrad.dybcio@...aro.org>, 
	Conor Dooley <conor+dt@...nel.org>, Stephen Boyd <swboyd@...omium.org>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Matthias Kaehlcke <mka@...omium.org>, 
	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
	devicetree@...r.kernel.org, quic_ppratap@...cinc.com, quic_jackp@...cinc.com, 
	stable@...r.kernel.org
Subject: Re: [PATCH v2 2/2] arm64: dts: qcom: sc7280: Disable SuperSpeed
 instances in park mode

Hi,

On Mon, Jun 3, 2024 at 11:07 PM Krishna Kurapati
<quic_kriskura@...cinc.com> wrote:
>
> On SC7280, in host mode, it is observed that stressing out controller
> results in HC died error:
>
>  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
>
> And at this instant only restarting the host mode fixes it. Disable
> SuperSpeed instances in park mode for SC7280 to mitigate this issue.
>
> Reported-by: Doug Anderson <dianders@...gle.com>
> Cc: <stable@...r.kernel.org>
> Fixes: bb9efa59c665 ("arm64: dts: qcom: sc7280: Add USB related nodes")
> Signed-off-by: Krishna Kurapati <quic_kriskura@...cinc.com>
> ---
> Removed RB/TB tag from Doug as commit text was updated.
>
>  arch/arm64/boot/dts/qcom/sc7280.dtsi | 1 +
>  1 file changed, 1 insertion(+)

Reviewed-by: Douglas Anderson <dianders@...omium.org>