diff options
| -rw-r--r-- | MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c index a3008f92d9..a3739fc80b 100644 --- a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c +++ b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c @@ -11,6 +11,7 @@ Cylinder register.
Copyright (c) 2009 - 2013, Intel Corporation. All rights reserved.<BR>
+ (C) Copyright 2016 Hewlett Packard Enterprise Development LP<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
@@ -413,7 +414,7 @@ DiscoverAtaDevice ( //
Acb = ZeroMem (&AtaDevice->Acb, sizeof (EFI_ATA_COMMAND_BLOCK));
Acb->AtaCommand = ATA_CMD_IDENTIFY_DRIVE;
- Acb->AtaDeviceHead = (UINT8) (BIT7 | BIT6 | BIT5 | (AtaDevice->PortMultiplierPort << 4));
+ Acb->AtaDeviceHead = (UINT8) (BIT7 | BIT6 | BIT5 | (AtaDevice->PortMultiplierPort == 0xFFFF ? 0 : (AtaDevice->PortMultiplierPort << 4)));
//
// Prepare for ATA pass through packet.
|