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MdeModulePkg XhciDxe: Initialize ScratchPhy and ScratchEntryPhy in XhcInitSched(). 

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15634 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Star Zeng 2014-07-07 05:58:25 +00:00 committed by lzeng14
parent 737adca337
commit 414f5bd1d7
1 changed files with 2 additions and 0 deletions
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2
MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c
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@ -525,6 +525,7 @@ XhcInitSched (
ASSERT (ScratchEntry != NULL);
Xhc->ScratchEntry = ScratchEntry;
ScratchPhy = 0;
Status = UsbHcAllocateAlignedPages (
Xhc->PciIo,
EFI_SIZE_TO_PAGES (MaxScratchpadBufs * sizeof (UINT64)),
@ -542,6 +543,7 @@ XhcInitSched (
// Allocate each scratch buffer
//
for (Index = 0; Index < MaxScratchpadBufs; Index++) {
ScratchEntryPhy = 0;
Status = UsbHcAllocateAlignedPages (
Xhc->PciIo,
EFI_SIZE_TO_PAGES (Xhc->PageSize),