[AMD Official Use Only - General]
Hi Neo,
I don't see you add the maintainers either in commit message or email CC list.
I added them.
To this patch, Acked-by: Abner Chang <abner.ch...@amd.com>
Thanks
Abner
> -----Original Message-----
> From: Hsueh, Hong-Chih (Neo) <hong-chih.hs...@amd.com>
> Sent: Wednesday, May 24, 2023 1:07 AM
> To: devel@edk2.groups.io
> Cc: He, Jiangang <jiangang...@amd.com>; Chang, Abner
> <abner.ch...@amd.com>; Hsueh, Hong-Chih (Neo) <Hong-
> chih.hs...@amd.com>
> Subject: [PATCH] MdeModulePkg: Fix port multiplier port in AhciPei PEIM
>
> If there is no port multiplier, PortMultiplierPort should be converted
> to 0 to follow AHCI spec.
> The same logic already applied in AtaAtapiPassThruDxe driver.
>
> Signed-off-by: Neo Hsueh <hong-chih.hs...@amd.com>
> ---
> MdeModulePkg/Bus/Ata/AhciPei/AhciPeiPassThru.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/MdeModulePkg/Bus/Ata/AhciPei/AhciPeiPassThru.c
> b/MdeModulePkg/Bus/Ata/AhciPei/AhciPeiPassThru.c
> index cd55272c96..7bd04661d0 100644
> --- a/MdeModulePkg/Bus/Ata/AhciPei/AhciPeiPassThru.c
> +++ b/MdeModulePkg/Bus/Ata/AhciPei/AhciPeiPassThru.c
> @@ -3,6 +3,7 @@
> mode at PEI phase.
>
> Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
> + Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.<BR>
>
> SPDX-License-Identifier: BSD-2-Clause-Patent
>
> @@ -92,6 +93,15 @@ AhciPassThruExecute (
> {
> EFI_STATUS Status;
>
> + if (PortMultiplierPort == 0xFFFF) {
> + //
> + // If there is no port multiplier, PortMultiplierPort will be 0xFFFF
> + // according to UEFI spec. Here, we convert its value to 0 to follow
> + // AHCI spec.
> + //
> + PortMultiplierPort = 0;
> + }
> +
> switch (Packet->Protocol) {
> case EFI_ATA_PASS_THRU_PROTOCOL_ATA_NON_DATA:
> Status = AhciNonDataTransfer (
> --
> 2.40.0.windows.1
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