Reviewed-by: Hao A Wu <hao.a...@intel.com> Best Regards, Hao Wu
> -----Original Message----- > From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Chang, > Abner via groups.io > Sent: Wednesday, December 21, 2022 11:41 PM > To: devel@edk2.groups.io > Cc: Wu, Hao A <hao.a...@intel.com>; Ni, Ray <ray...@intel.com>; Garrett > Kirkendall <garrett.kirkend...@amd.com>; Abner Chang > <abner.ch...@amd.com>; Kuei-Hung Lin <kuei-hung....@amd.com> > Subject: [edk2-devel] [PATCH 1/3] MdeModulePkg/Xhci: Initial XHCI DCI slot's > Context value > > From: Abner Chang <abner.ch...@amd.com> > > Initialize XHCI DCI slot's context entries value. > > Signed-off-by: Jiangang He <jiangang...@amd.com> > Cc: Hao A Wu <hao.a...@intel.com> > Cc: Ray Ni <ray...@intel.com> > Cc: Garrett Kirkendall <garrett.kirkend...@amd.com> > Cc: Abner Chang <abner.ch...@amd.com> > Cc: Kuei-Hung Lin <kuei-hung....@amd.com> > --- > MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c | 7 +++++++ > MdeModulePkg/Bus/Pci/XhciPei/XhciSched.c | 7 +++++++ > 2 files changed, 14 insertions(+) > > diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c > b/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c > index 13247f7b0df..4b7462704a8 100644 > --- a/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c > +++ b/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c > @@ -4,6 +4,7 @@ > > Copyright (c) 2011 - 2020, Intel Corporation. All rights reserved.<BR> > Copyright (c) Microsoft Corporation.<BR> > +Copyright (C) 2022 Advanced Micro Devices, Inc. All rights reserved.<BR> > SPDX-License-Identifier: BSD-2-Clause-Patent > > **/ > @@ -2807,6 +2808,9 @@ XhcInitializeEndpointContext ( > MaxDci = 0; > > NumEp = IfDesc->NumEndpoints; > + if (NumEp == 0) { > + MaxDci = 1; > + } > > EpDesc = (USB_ENDPOINT_DESCRIPTOR *)(IfDesc + 1); > for (EpIndex = 0; EpIndex < NumEp; EpIndex++) { > @@ -3006,6 +3010,9 @@ XhcInitializeEndpointContext64 ( > MaxDci = 0; > > NumEp = IfDesc->NumEndpoints; > + if (NumEp == 0) { > + MaxDci = 1; > + } > > EpDesc = (USB_ENDPOINT_DESCRIPTOR *)(IfDesc + 1); > for (EpIndex = 0; EpIndex < NumEp; EpIndex++) { > diff --git a/MdeModulePkg/Bus/Pci/XhciPei/XhciSched.c > b/MdeModulePkg/Bus/Pci/XhciPei/XhciSched.c > index cc597a43717..8400c90f7ad 100644 > --- a/MdeModulePkg/Bus/Pci/XhciPei/XhciSched.c > +++ b/MdeModulePkg/Bus/Pci/XhciPei/XhciSched.c > @@ -3,6 +3,7 @@ PEIM to produce gPeiUsb2HostControllerPpiGuid based > on gPeiUsbControllerPpiGuid > which is used to enable recovery function from USB Drivers. > > Copyright (c) 2014 - 2017, Intel Corporation. All rights reserved.<BR> > +Copyright (C) 2022 Advanced Micro Devices, Inc. All rights reserved.<BR> > > SPDX-License-Identifier: BSD-2-Clause-Patent > > @@ -1752,6 +1753,9 @@ XhcPeiSetConfigCmd ( > } > > NumEp = IfDesc->NumEndpoints; > + if ((NumEp == 0) && (MaxDci == 0)) { > + MaxDci = 1; > + } > > EpDesc = (USB_ENDPOINT_DESCRIPTOR *)(IfDesc + 1); > for (EpIndex = 0; EpIndex < NumEp; EpIndex++) { > @@ -1974,6 +1978,9 @@ XhcPeiSetConfigCmd64 ( > } > > NumEp = IfDesc->NumEndpoints; > + if ((NumEp == 0) && (MaxDci == 0)) { > + MaxDci = 1; > + } > > EpDesc = (USB_ENDPOINT_DESCRIPTOR *)(IfDesc + 1); > for (EpIndex = 0; EpIndex < NumEp; EpIndex++) { > -- > 2.37.1.windows.1 > > > > > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#97726): https://edk2.groups.io/g/devel/message/97726 Mute This Topic: https://groups.io/mt/95808331/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-