+/**\r
+ One notified function to stop the Host Controller when gBS->ExitBootServices() called.\r
+\r
+ @param Event Pointer to this event\r
+ @param Context Event hanlder private data\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+UhcExitBootService (\r
+ EFI_EVENT Event,\r
+ VOID *Context\r
+ )\r
+{\r
+ USB_HC_DEV *Uhc;\r
+\r
+ Uhc = (USB_HC_DEV *) Context;\r
+\r
+ //\r
+ // Stop the Host Controller\r
+ //\r
+ UhciStopHc (Uhc, UHC_GENERIC_TIMEOUT);\r
+\r
+ return;\r
+}\r