Acked-by: Liming Gao <gaolim...@byosoft.com.cn>
> -----邮件原件-----
> 发件人: Ard Biesheuvel <a...@kernel.org>
> 发送时间: 2022年4月26日 4:49
> 收件人: edk2-devel-groups-io <devel@edk2.groups.io>; Gerd Hoffmann
> <kra...@redhat.com>
> 抄送: Pawel Polawski <ppola...@redhat.com>; Ard Biesheuvel
> <ardb+tianoc...@kernel.org>; Liming Gao <gaolim...@byosoft.com.cn>; Hao
> A Wu <hao.a...@intel.com>; Ray Ni <ray...@intel.com>; Oliver Steffen
> <ostef...@redhat.com>; Leif Lindholm <quic_llind...@quicinc.com>; Jordan
> Justen <jordan.l.jus...@intel.com>; Jiewen Yao <jiewen....@intel.com>;
> Abner Chang <abner.ch...@hpe.com>; Jian J Wang <jian.j.w...@intel.com>
> 主题: Re: [edk2-devel] [PATCH v5 1/6] MdeModulePkg/PciHostBridge: io
> range is not mandatory
>
> On Fri, 22 Apr 2022 at 09:37, Gerd Hoffmann <kra...@redhat.com> wrote:
> >
> > io range is not mandatory according to pcie spec,
> > so allow bridge configurations without io address
> > space assigned.
> >
> > Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
> > Reviewed-by: Ard Biesheuvel <a...@kernel.org>
>
> Could one of the MdeModulePkg maintainers please get this reviewed?
> Thanks.
>
> > ---
> > MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridge.c | 3 +++
> > 1 file changed, 3 insertions(+)
> >
> > diff --git a/MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridge.c
> b/MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridge.c
> > index b20bcd310ad5..712662707931 100644
> > --- a/MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridge.c
> > +++ b/MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridge.c
> > @@ -1085,6 +1085,9 @@ NotifyPhase (
> > RootBridge->ResAllocNode[Index].Base =
> BaseAddress;
> > RootBridge->ResAllocNode[Index].Status = ResAllocated;
> > DEBUG ((DEBUG_INFO, "Success\n"));
> > + } else if ((Index == TypeIo) && (RootBridge->Io.Base ==
> MAX_UINT64)) {
> > + /* optional on PCIe */
> > + DEBUG ((DEBUG_INFO, "PCI Root Bridge does not
> provide IO Resources.\n"));
> > } else {
> > ReturnStatus = EFI_OUT_OF_RESOURCES;
> > DEBUG ((DEBUG_ERROR, "Out Of Resource!\n"));
> > --
> > 2.35.1
> >
> >
> >
> >
> >
> >
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