@return EFI_DEVICE_ERROR : Fail to disable periodic schedule\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
EhcDisablePeriodSchd (\r
IN USB2_HC_DEV *Ehc,\r
@return Others : Failed to disable the asynchronous schedule\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
EhcDisableAsyncSchd (\r
IN USB2_HC_DEV *Ehc,\r