From 11249a733930112d101d0d9d37fb0150f9c066cb Mon Sep 17 00:00:00 2001
From: erictian <erictian@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Fri, 10 May 2013 05:23:39 +0000
Subject: MdeMdeModulePkg/Xhci: Clear BIOS_OWN semaphore before halting XHCI
 controller

Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Steven Shi <steven.shi@intel.com>


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14339 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'MdeModulePkg/Bus/Pci')

diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c b/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c
index 5809a0f914..8e6bc6ff64 100644
--- a/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c
+++ b/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c
@@ -932,9 +932,9 @@ XhcControlTransfer (
         }
         Xhc->UsbDevContext[SlotId].ConfDesc = AllocateZeroPool (Xhc->UsbDevContext[SlotId].DevDesc.NumConfigurations * sizeof (EFI_USB_CONFIG_DESCRIPTOR *));
         if (Xhc->HcCParams.Data.Csz == 0) {
-          Status = XhcEvaluateContext (Xhc, SlotId, MaxPacket0);
+          Status = XhcEvaluateContext (Xhc, SlotId, MaxPacket0);
         } else {
-          Status = XhcEvaluateContext64 (Xhc, SlotId, MaxPacket0);
+          Status = XhcEvaluateContext64 (Xhc, SlotId, MaxPacket0);
         }
         ASSERT_EFI_ERROR (Status);
     } else if (DescriptorType == USB_DESC_TYPE_CONFIG) {
@@ -1802,6 +1802,8 @@ XhcExitBootService (
     gBS->CloseEvent (Xhc->PollTimer);
   }
 
+  XhcClearBiosOwnership (Xhc);
+
   //
   // Restore original PCI attributes
   //
@@ -1811,8 +1813,6 @@ XhcExitBootService (
                   Xhc->OriginalPciAttributes,
                   NULL
                   );
-
-  XhcClearBiosOwnership (Xhc);
 }
 
 /**
-- 
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