Re: [PATCH v2 2/2] arm64: dts: qcom: sc7280: Disable SuperSpeed instances in park mode

[Doug Anderson]

Hi,

On Mon, Jun 3, 2024 at 11:07 PM Krishna Kurapati
<quic_kriskura@xxxxxxxxxxx> 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@xxxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx>
> Fixes: bb9efa59c665 ("arm64: dts: qcom: sc7280: Add USB related nodes")
> Signed-off-by: Krishna Kurapati <quic_kriskura@xxxxxxxxxxx>
> ---
> 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@xxxxxxxxxxxx>