Restore the question value before call the CHANGED callback type.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Liming, Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15633 6f19259b-4bc3-4df7-8a09-765794883524
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
MdeModulePkg XhciPei: Initialize ScratchPhy and ScratchEntryPhy in XhcPeiInitSched().

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@15635 6f19259b-4bc3-4df7-8a09-765794883524
Refine code to follow good coding style.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15636 6f19259b-4bc3-4df7-8a09-765794883524