Re: [PATCH] MdeModulePkg/PciHostBridge: Set SpecificFlag to 0 for Mem32/Mem64

["Dong, Eric" <eric.dong@intel.com>]

Reviewed-by: Eric Dong <eric.dong@intel.com>

> -----Original Message-----
> From: Ni, Ruiyu
> Sent: Thursday, October 19, 2017 10:49 AM
> To: edk2-devel@lists.01.org
> Cc: Dong, Eric <eric.dong@intel.com>
> Subject: [PATCH] MdeModulePkg/PciHostBridge: Set SpecificFlag to 0 for
> Mem32/Mem64
> 
> Existing code forgot to set Descriptor->SpecificFlag to 0 when the resource
> type is non-prefetchable MMIO.
> The patch adds the missing assignment.
> 
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
> Cc: Eric Dong <eric.dong@intel.com>
> ---
>  MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridge.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridge.c
> b/MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridge.c
> index 70726a6be8..1494848c3e 100644
> --- a/MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridge.c
> +++ b/MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridge.c
> @@ -2,7 +2,7 @@
> 
>    Provides the basic interfaces to abstract a PCI Host Bridge Resource
> Allocation.
> 
> -Copyright (c) 1999 - 2016, Intel Corporation. All rights reserved.<BR>
> +Copyright (c) 1999 - 2017, Intel Corporation. All rights reserved.<BR>
>  This program and the accompanying materials  are licensed and made
> available under the terms and conditions of the BSD License  which
> accompanies this distribution.  The full text of the license may be found at
> @@ -574,7 +574,8 @@ ResourceConflict (
>        Descriptor->Len = sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR) - 3;
>        Descriptor->AddrRangeMin = ResAllocNode->Base;
>        Descriptor->AddrRangeMax = ResAllocNode->Alignment;
> -      Descriptor->AddrLen = ResAllocNode->Length;
> +      Descriptor->AddrLen      = ResAllocNode->Length;
> +      Descriptor->SpecificFlag = 0;
>        switch (ResAllocNode->Type) {
> 
>        case TypeIo:
> --
> 2.12.2.windows.2