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AJvYcCXYZaXK6UvEu+0CgHlKEyC7l24TeAwYisoHGCQ0ML/1ksY/O6QGffUk7VSP8EkR23RmlyayZF1g2ab6dXmYEpG2ucqV8yqdbgFf29j/ X-Gm-Message-State: AOJu0YwntpSN/ibUQ1iC5RIax7Lufc2U0F9/FZg5ARlz2l+A4NH6HLZD L1Wsno1coEDnf1YMqNKp8HN5plzQD57jhaE37WQfn7SPkba20gnCbRAlhwtyZ4C1beiipWWOJ8j /iD9jXhH8sRtUO6B+oEodNdaLHHROYa1hP/hm X-Received: by 2002:a05:622a:7392:b0:440:1fb0:1726 with SMTP id d75a77b69052e-4401fb017d1mr1630971cf.19.1717511526273; Tue, 04 Jun 2024 07:32:06 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20240604060659.1449278-1-quic_kriskura@quicinc.com> <20240604060659.1449278-3-quic_kriskura@quicinc.com> In-Reply-To: <20240604060659.1449278-3-quic_kriskura@quicinc.com> From: Doug Anderson Date: Tue, 4 Jun 2024 07:31:54 -0700 Message-ID: Subject: Re: [PATCH v2 2/2] arm64: dts: qcom: sc7280: Disable SuperSpeed instances in park mode To: Krishna Kurapati Cc: cros-qcom-dts-watchers@chromium.org, Krzysztof Kozlowski , Rob Herring , Bjorn Andersson , Konrad Dybcio , Conor Dooley , Stephen Boyd , Greg Kroah-Hartman , Matthias Kaehlcke , 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 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi, On Mon, Jun 3, 2024 at 11:07=E2=80=AFPM Krishna Kurapati 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 > Cc: > Fixes: bb9efa59c665 ("arm64: dts: qcom: sc7280: Add USB related nodes") > Signed-off-by: Krishna Kurapati > --- > 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