2 files changed, 8 insertions, 3 deletions
diff --git a/MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBus.c b/MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBus.c
index a0833cfaf4..3e49ffba68 100644
--- a/MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBus.c
+++ b/MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBus.c
@@ -2,7 +2,7 @@
   SCSI Bus driver that layers on every SCSI Pass Thru and
   Extended SCSI Pass Thru protocol in the system.
 
-Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2013, 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
@@ -1293,7 +1293,7 @@ DiscoverScsiDevice (
   for (Index = 0; Index < MaxRetry; Index++) {
     Status = ScsiInquiryCommand (
               &ScsiIoDevice->ScsiIo,
-              EFI_TIMER_PERIOD_SECONDS (1),
+              SCSI_BUS_TIMEOUT,
               NULL,
               &SenseDataLength,
               &HostAdapterStatus,
diff --git a/MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBus.h b/MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBus.h
index ed90a6d458..babf86f2c3 100644
--- a/MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBus.h
+++ b/MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBus.h
@@ -1,7 +1,7 @@
 /** @file
   Header file for SCSI Bus Driver.
 
-Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2013, 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
@@ -61,6 +61,11 @@ typedef struct {
 #define SCSI_BUS_DEVICE_SIGNATURE  SIGNATURE_32 ('s', 'c', 's', 'i')
 
 //
+// SCSI Bus Timeout Experience Value
+//
+#define SCSI_BUS_TIMEOUT           EFI_TIMER_PERIOD_SECONDS (3)
+
+//
 // The ScsiBusProtocol is just used to locate ScsiBusDev
 // structure in the SCSIBusDriverBindingStop(). Then we can
 // Close all opened protocols and release this structure.