Re: [edk2-devel] [PATCH] MdeModulePkg/Bus/Pci/XhciDxe: Reset the port if status change returns an error

["Sean Rhodes" <sean@starlabs.systems>]

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Hi Hao

This PR has passed CI - https://github.com/tianocore/edk2/pull/3353

Thanks

Sean

On Fri, 23 Dec 2022 at 08:56, Wu, Hao A <hao.a.wu@intel.com> wrote:

> Sorry,
>
> The CI tests failed for the proposed patch:
> https://github.com/tianocore/edk2/pull/3824
>
> Could you help to check and resolve? Thanks.
>
> Best Regards,
> Hao Wu
>
> > -----Original Message-----
> > From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Sean
> > Rhodes
> > Sent: Wednesday, December 21, 2022 4:15 PM
> > To: devel@edk2.groups.io
> > Cc: Rhodes, Sean <sean@starlabs.systems>
> > Subject: [edk2-devel] [PATCH] MdeModulePkg/Bus/Pci/XhciDxe: Reset the
> > port if status change returns an error
> >
> > Force resetting the port by clearing the USB_PORT_STAT_C_RESET bit in
> > PortChangeStatus
> > when XhcPollPortStatusChange fails
> >
> > Signed-off-by: Sean Rhodes <sean@starlabs.systems>
> > ---
> >  MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c | 11 ++++++++++-
> >  1 file changed, 10 insertions(+), 1 deletion(-)
> >
> > diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c
> > b/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c
> > index 461b2cd9b5..d8fa41f68f 100644
> > --- a/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c
> > +++ b/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c
> > @@ -471,7 +471,16 @@ XhcGetRootHubPortStatus (
> >    // For those devices behind hub, we get its attach/detach event by
> hooking
> > Get_Port_Status request at control transfer for those hub.
> >
> >    //
> >
> >    ParentRouteChart.Dword = 0;
> >
> > -  XhcPollPortStatusChange (Xhc, ParentRouteChart, PortNumber,
> PortStatus);
> >
> > +  Status                 = XhcPollPortStatusChange (Xhc,
> ParentRouteChart,
> > PortNumber, PortStatus);
> >
> > +
> >
> > +  //
> >
> > +  // Force resetting the port by clearing the USB_PORT_STAT_C_RESET bit
> in
> > PortChangeStatus
> >
> > +  // when XhcPollPortStatusChange fails
> >
> > +  //
> >
> > +  if (EFI_ERROR (Status)) {
> >
> > +    PortStatus->PortChangeStatus &= ~(USB_PORT_STAT_C_RESET);
> >
> > +    Status                        = EFI_SUCCESS;
> >
> > +  }
> >
> >
> >
> >  ON_EXIT:
> >
> >    gBS->RestoreTPL (OldTpl);
> >
> > --
> > 2.37.2
> >
> >
> >
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> >
>
>
>
> 
>
>
>

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