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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
This commit is contained in:
erictian 2013-05-10 05:23:39 +00:00
parent 70eca31be1
commit 11249a7339
1 changed files with 4 additions and 4 deletions
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8
MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c
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@ -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);
}
/**