Reviewed-by: Abner Chang <abner.ch...@hpe.com>
> -----Original Message-----
> From: Gerd Hoffmann <kra...@redhat.com>
> Sent: Monday, April 25, 2022 6:35 PM
> To: devel@edk2.groups.io
> Cc: Jiewen Yao <jiewen....@intel.com>; Oliver Steffen
> <ostef...@redhat.com>; Leif Lindholm <quic_llind...@quicinc.com>; Pawel
> Polawski <ppola...@redhat.com>; Hao A Wu <hao.a...@intel.com>; Chang,
> Abner (HPS SW/FW Technologist) <abner.ch...@hpe.com>; Liming Gao
> <gaolim...@byosoft.com.cn>; Ray Ni <ray...@intel.com>; Jordan Justen
> <jordan.l.jus...@intel.com>; Jian J Wang <jian.j.w...@intel.com>; Ard
> Biesheuvel <ardb+tianoc...@kernel.org>; Gerd Hoffmann
> <kra...@redhat.com>; Ard Biesheuvel <a...@kernel.org>
> Subject: [PATCH v6 1/6] MdeModulePkg/PciHostBridge: io range is not
> mandatory
>
> 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>
> ---
> 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
-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#90320): https://edk2.groups.io/g/devel/message/90320
Mute This Topic: https://groups.io/mt/90681713/21656
Group Owner: devel+ow...@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com]
-=-=-=-=-=-=-=-=-=-=-=-
