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References: <20240604060659.1449278-1-quic_kriskura@quicinc.com> <20240604060659.1449278-2-quic_kriskura@quicinc.com>
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From: Doug Anderson <dianders@google.com>
Date: Tue, 4 Jun 2024 07:31:35 -0700
Message-ID: <CAD=FV=XKKtd3vArUzo+5_o17Prm-G5_tLBCzv+5q3gp_UfR8gQ@mail.gmail.com>
Subject: Re: [PATCH v2 1/2] arm64: dts: qcom: sc7180: Disable SuperSpeed
 instances in park mode
To: Krishna Kurapati <quic_kriskura@quicinc.com>
Cc: cros-qcom-dts-watchers@chromium.org, 
	Krzysztof Kozlowski <krzk+dt@kernel.org>, Rob Herring <robh@kernel.org>, 
	Bjorn Andersson <andersson@kernel.org>, Konrad Dybcio <konrad.dybcio@linaro.org>, 
	Conor Dooley <conor+dt@kernel.org>, Stephen Boyd <swboyd@chromium.org>, 
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Matthias Kaehlcke <mka@chromium.org>, 
	linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, 
	devicetree@vger.kernel.org, quic_ppratap@quicinc.com, quic_jackp@quicinc.com, 
	stable@vger.kernel.org
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Hi,

On Mon, Jun 3, 2024 at 11:07=E2=80=AFPM Krishna Kurapati
<quic_kriskura@quicinc.com> wrote:
>
> On SC7180, 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 SC7180 to mitigate this issue.
>
> Reported-by: Doug Anderson <dianders@google.com>
> Cc: <stable@vger.kernel.org>
> Fixes: 0b766e7fe5a2 ("arm64: dts: qcom: sc7180: Add USB related nodes")
> Signed-off-by: Krishna Kurapati <quic_kriskura@quicinc.com>
> ---
> Removed RB/TB tag from Doug as commit text was updated.

It was a minor change so you could have kept my tags (especially the
Tested-by, which isn't affected by the commit text), but in any case:

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